WO2015046369A1 - 1,4-ビス(イソシアナトメチル)シクロヘキサン、ポリイソシアネート組成物、ポリウレタン樹脂、成形品、アイウェア材料、アイウェアフレームおよびレンズ - Google Patents
1,4-ビス(イソシアナトメチル)シクロヘキサン、ポリイソシアネート組成物、ポリウレタン樹脂、成形品、アイウェア材料、アイウェアフレームおよびレンズ Download PDFInfo
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- WO2015046369A1 WO2015046369A1 PCT/JP2014/075511 JP2014075511W WO2015046369A1 WO 2015046369 A1 WO2015046369 A1 WO 2015046369A1 JP 2014075511 W JP2014075511 W JP 2014075511W WO 2015046369 A1 WO2015046369 A1 WO 2015046369A1
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- bis
- cyclohexane
- polyurethane resin
- active hydrogen
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- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
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Definitions
- the present invention relates to 1,4-bis (isocyanatomethyl) cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame and lens.
- 1,4-bis (aminomethyl) cyclohexane has been well known as a raw material for polyamides used for fibers, films and the like.
- 1,4-bis (isocyanatomethyl) cyclohexane derived from 1,4-bis (aminomethyl) cyclohexane is, for example, paints, adhesives, eyewear (corrective glasses, protective glasses, sunglasses, goggles, etc.) It is useful as a raw material for polyurethanes used for eyewear frames and lenses, and as a raw material for polyisocyanate compositions used for, for example, curing agents for paints.
- Such 1,4-bis (aminomethyl) cyclohexane includes trans-1,4-bis (aminomethyl) cyclohexane (hereinafter sometimes abbreviated as trans isomer) and cis-1,4-bis.
- trans 1,4-bis (aminomethyl) cyclohexane
- cis isomer
- the ratio of cis isomer and trans isomer in 1,4-bis (aminomethyl) cyclohexane is It is known to affect various physical properties of polyamides and polyurethanes obtained by using.
- a polyurethane resin excellent in various physical properties by a reaction between a polyisocyanate component containing 1,4-bis (isocyanatomethyl) cyclohexane containing 80 mol% or more of a trans isomer and an active hydrogen compound component has been proposed (see, for example, Patent Document 1).
- An object of the present invention is to provide a polyisocyanate composition obtained by using 1,4-bis (isocyanatomethyl) cyclohexane and 1,4-bis (isocyanatomethyl) cyclohexane capable of improving required physical properties in various applications. And a polyurethane resin, and a molded article, an eyewear material, an eyewear frame and a lens obtained from the polyurethane resin.
- the 1,4-bis (isocyanatomethyl) cyclohexane of the present invention contains the trans isomer in a proportion of 70 mol% to 95 mol% with respect to the total amount of the cis isomer and the trans isomer, And the content rate of the compound shown by following formula (1) is 0.1 ppm or more and 300 ppm or less.
- the 1,4-bis (isocyanatomethyl) cyclohexane of the present invention preferably contains the trans isomer in a proportion of 80 mol% or more and 93 mol% or less with respect to the total amount of the cis isomer and the trans isomer.
- the polyisocyanate composition of the present invention is obtained by modifying the above 1,4-bis (isocyanatomethyl) cyclohexane, and contains at least one of the following functional groups (a) to (e). It is characterized by.
- the polyurethane resin of the present invention contains the above 1,4-bis (isocyanatomethyl) cyclohexane. It is obtained by reacting a polyisocyanate component with an active hydrogen group-containing component.
- the polyurethane resin of the present invention is characterized by being obtained by reacting a polyisocyanate component containing the above polyisocyanate composition with an active hydrogen group-containing component.
- the molded product of the present invention is characterized by being obtained from the above polyurethane resin.
- the eyewear material of the present invention contains the trans isomer in a proportion of 70 mol% to 95 mol% with respect to the total amount of the cis isomer and the trans isomer, and contains the compound represented by the following formula (1): It is characterized by comprising a polyurethane resin obtained by reacting a polyisocyanate component containing 1,4-bis (isocyanatomethyl) cyclohexane having a ratio of 0.1 ppm to 300 ppm with an active hydrogen group-containing component. Yes.
- 1,4-bis (isocyanatomethyl) cyclohexane contains the trans isomer at a ratio of 80 mol% to 93 mol% with respect to the total amount of cis isomer and trans isomer. Is preferred.
- the eyewear frame of the present invention is obtained from the above-mentioned eyewear material.
- the lens of the present invention is characterized by being obtained from the above eyewear material.
- the 1,4-bis (isocyanatomethyl) cyclohexane of the present invention is excellent in various physical properties since the content ratio of the trans isomer and the content ratio of the compound represented by the formula (1) are within the specific range described above.
- a polyurethane resin can be obtained.
- the polyisocyanate composition of the present invention is obtained using the 1,4-bis (isocyanatomethyl) cyclohexane of the present invention, a polyurethane resin excellent in various physical properties is obtained by using the polyisocyanate composition. be able to.
- the polyurethane resin, molded article, eyewear material, eyewear frame and lens of the present invention can be obtained using the 1,4-bis (isocyanatomethyl) cyclohexane of the present invention or the polyisocyanate composition of the present invention. Excellent in various physical properties.
- FIG. 1 shows a CI mass spectrum of the compound represented by the formula (1) by GC-MS analysis.
- FIG. 2 shows an FD mass spectrum of 1,4-BIC containing the compound represented by the formula (1).
- FIG. 3 shows the spectrum of 1 H-NMR analysis of 1,4-BIC containing the compound represented by the formula (1).
- FIG. 4 shows the results of NMR two-dimensional measurement (Hetero-nuclear Multiple-Bon : Connectivity: HMBC) of 1,4-BIC containing the compound represented by the formula (1).
- FIG. 5 shows the 1 H-NMR analysis spectrum of the compound represented by the formula (1) obtained in Preparation Example 2.
- FIG. 6 shows the spectrum of 13 C-NMR analysis of the compound represented by formula (1) obtained in Preparation Example 2.
- FIG. 7 shows an IR spectrum of the compound represented by the formula (1) obtained in Preparation Example 2.
- FIG. 8 shows a GC-MS spectrum of the compound represented by the formula (1) obtained in Preparation Example 2.
- the 1,4-bis (isocyanatomethyl) cyclohexane of the present invention includes trans-1,4-bis (isocyanatomethyl) cyclohexane (hereinafter referred to as trans form) and cis-1,4-bis (isocyanatomethyl) cyclohexane. (Hereinafter referred to as a cis isomer).
- the trans isomer content in 1,4-bis (isocyanatomethyl) cyclohexane is 70 mol% or more, preferably 75 mol% or more, more preferably 80 mol% or more, and 95 mol% or less, preferably 93 mol% or less, more preferably 90 mol% or less.
- the content ratio of the trans isomer can be obtained by analyzing with a gas chromatograph in accordance with Examples described later (the same applies hereinafter).
- 1,4-bis (isocyanatomethyl) cyclohexane of the present invention contains a compound represented by the following formula (1).
- the content of the compound represented by the above formula (1) in 1,4-bis (isocyanatomethyl) cyclohexane is 0.1 ppm or more, preferably 0.4 ppm or more, more preferably based on the total amount thereof. 1 ppm or more, 300 ppm or less, preferably 200 ppm or less, more preferably 100 ppm or less.
- the content rate of the compound shown by the said Formula (1) can be calculated
- Such 1,4-bis (isocyanatomethyl) cyclohexane can be obtained, for example, by subjecting 1,4-bis (aminomethyl) cyclohexane to isocyanate.
- 1,4-bis (aminomethyl) cyclohexane used for the production of the above 1,4-bis (isocyanatomethyl) cyclohexane is, for example, trans-1,4-bis (aminomethyl) cyclohexane (hereinafter referred to as trans isomer). And cis-1,4-bis (aminomethyl) cyclohexane (hereinafter referred to as cis form).
- the content ratio of the trans isomer in 1,4-bis (aminomethyl) cyclohexane is, for example, 70 mol% or more, preferably 75 mol% or more, more preferably 80 mol% or more, for example, 95 mol% or less. , Preferably, it is 93 mol% or less, More preferably, it is 90 mol% or less.
- the content ratio of the trans isomer can be obtained by analyzing with a gas chromatograph in accordance with Examples described later (the same applies hereinafter).
- this 1,4-bis (aminomethyl) cyclohexane contains a compound represented by the following formula (2) (3-azabicyclo [3,2,2] nonane).
- the content of the compound represented by the above formula (2) in 1,4-bis (aminomethyl) cyclohexane is, for example, 0.005% by mass or more, preferably 0.01% by mass with respect to the total amount thereof. As mentioned above, More preferably, it is 0.1 mass% or more, for example, 3 mass% or less, Preferably, it is 1.5 mass% or less.
- the content rate of the compound shown by the said Formula (2) can be calculated
- At least one terephthalic acid selected from the group consisting of terephthalic acid, terephthalic acid ester and terephthalic amide or a derivative thereof is first nuclear hydrogenated to obtain hydrogenated terephthalic acid or a derivative thereof (nuclear Hydrogenation step).
- At least one terephthalic acid selected from the group consisting of terephthalic acid, terephthalic acid ester and terephthalic amide or a derivative thereof is nuclear hydrogenated, and the corresponding hydrogenated terephthalic acid or its A derivative (ie, at least one hydrogenated terephthalic acid selected from the group consisting of cyclohexane-1,4-dicarboxylic acid, cyclohexane-1,4-dicarboxylic acid ester, and cyclohexane-1,4-dicarboxylic acid amide or Its derivatives).
- terephthalic acid or derivative thereof used as a raw material in the present invention is sufficient in quality to the extent that it is commercially available for industrial use, and has been subjected to a hydrorefining step generally performed in the production of terephthalic acid, It is also possible to use terephthalic acid (including water) or its derivatives.
- the raw material terephthalic acid or its derivative is inert to this reaction in order to moderately suppress the temperature rise due to reaction heat and to increase the reaction rate. It is preferable to dilute the solvent so that the concentration of terephthalic acid or its derivative in the reaction solution is, for example, 1 to 50% by mass, preferably 2 to 30% by mass. When the concentration in the reaction solution is within this range, it is advantageous in that the reaction rate does not decrease and the temperature rise in the reactor is small.
- aqueous solvents such as water, methanol, isopropanol, and 1,4-dioxane.
- the solvent is an aqueous solvent, it is advantageous in that the reaction product liquid in the nuclear hydrogenation step can be cooled and recirculated as necessary.
- water is preferable because it can be recovered by a subsequent separation operation, does not mix unnecessary components into the reaction system, and can use undried terephthalic acid that has undergone a purification step of terephthalic acid. It is done.
- industrially used hydrogen is sufficient for the quality of hydrogen used for nuclear hydrogenation, and may contain, for example, an inert gas (for example, nitrogen, methane, etc.).
- concentration is preferably 50% or more.
- the amount of hydrogen is preferably about 3 to 50 times in molar ratio with respect to the raw material terephthalic acid or its derivative.
- a known catalyst can be added.
- the catalyst used in the nuclear hydrogenation step is a commonly used noble metal-based nuclear hydrogenation catalyst, and specific examples include palladium, platinum, ruthenium, rhodium, and preferably palladium and ruthenium. .
- a carrier for example, activated carbon, alumina, silica, diatomaceous earth, or the like is used, and preferably activated carbon or silica is used.
- the amount of the metal (for example, palladium, platinum, ruthenium, rhodium, etc.) supported is, for example, 0.1 to 10% by mass, preferably 0.5 to 10% by mass, based on the total amount including the catalyst carrier.
- the amount of metal supported is in this range because the activity per weight of the catalyst is high.
- the form of the catalyst for example, a powder, granular, a catalyst supported on a pellet carrier can be used. Preferably, it is a powder.
- the catalyst is of an appropriate size, such as a powder, there are many portions that contribute to the reaction effectively inside the catalyst, and the reaction rate is unlikely to decrease.
- the amount of the catalyst is, for example, 0.1 to 50 parts by mass, preferably 0.5 to 20 parts by mass with respect to 100 parts by mass of terephthalic acid or a derivative thereof.
- terephthalic acid or its derivatives are not highly soluble in general-purpose solvents such as water, they are prepared as dispersions.
- the reaction method is preferably a liquid phase suspension reaction.
- the reactor is preferably a pressure vessel.
- a dispersion of terephthalic acid or its derivative and hydrogen are introduced from the top or bottom of the reactor and contacted with the catalyst in a suspended state. After the reaction, the product, hydrogenated terephthalic acid or a derivative thereof, dissolves well in a general-purpose solvent such as water at a high temperature, so that it can be separated from the catalyst by filtration.
- a general-purpose solvent such as water
- the product may be dissolved in a known alkaline solution (for example, an aqueous sodium hydroxide solution), filtered, and then neutralized with a known acidic solution (for example, an aqueous hydrogen chloride solution).
- a known alkaline solution for example, an aqueous sodium hydroxide solution
- a known acidic solution for example, an aqueous hydrogen chloride solution
- hydrogenated terephthalic acid or a derivative thereof can be obtained by crystallizing the product by drying, concentrating, or cooling.
- the reaction temperature is usually 50 to 200 ° C., preferably 100 to 160 ° C.
- reaction temperature is within this range, there are few unreacted products and by-products, and hydrogenolysis is less likely to occur, resulting in a high yield.
- the reaction pressure is usually 0.5 to 15 MPa (gauge pressure), preferably 2 to 15 MPa (gauge pressure), more preferably 2 to 8 MPa (gauge pressure), and further preferably 2 to 5 MPa. (Gauge pressure).
- reaction pressure is within this range, the reaction rate is not slow and there are few by-products.
- the conversion rate of terephthalic acid or a derivative thereof is usually 90% or more, preferably 95% or more, more preferably 98% or more.
- Hydrogenated terephthalic acid or a derivative thereof obtained by the nuclear hydrogenation step is a cis form (that is, cis-1,4-cyclohexanedicarboxylic acid, cis-1,4-cyclohexanedicarboxylic acid ester, and / or cis-1, 4-cyclohexanedicarboxylic acid amide) and trans isomers (ie, trans-1,4-cyclohexanedicarboxylic acid, trans-1,4-cyclohexanedicarboxylic acid ester, and / or trans-1,4-cyclohexanedicarboxylic acid amide) And a mixture.
- 1,4-dicyanocyclohexane is obtained by contacting hydrogenated terephthalic acid or a derivative thereof obtained by the nuclear hydrogenation step with ammonia (cyanation step).
- cyanation step for example, a method described in JP-A No. 63-10752 can be employed.
- hydrogenated terephthalic acid or a derivative thereof obtained in the nuclear hydrogenation step and a compound that can serve as an ammonia supply source (for example, ammonia, urea, ammonium carbonate, etc.) (hereinafter, ammonia supply)
- ammonia supply for example, ammonia, urea, ammonium carbonate, etc.
- a source compound Is usually reacted at 200 ° C. or higher and lower than 350 ° C., preferably 230 ° C. or higher and lower than 320 ° C.
- reaction temperature is within this range, it is advantageous because the reaction rate does not decrease and decomposition due to excessive heating does not easily occur.
- a metal oxide can be used as a catalyst in the cyanation step.
- metal oxide examples include silica, alumina, phosphorus pentoxide, tin oxide, titanium oxide, zinc oxide, iron oxide, zirconium oxide, and cobalt oxide.
- silica, alumina, tin oxide, titanium oxide, zinc oxide, iron oxide, zirconium oxide, cobalt oxide, and the like are preferably used because of their ease of separation after the reaction.
- a metal oxide and another catalyst can be used in combination.
- a catalyst include mineral acids such as hydrochloric acid, phosphoric acid and sulfuric acid, such as acetic acid and propionic acid. And organic acids such as benzoic acid.
- the compounding ratio in particular is not restrict
- a catalyst supported on a powder, granular or pellet carrier can be used.
- it is a powder.
- the catalyst is of an appropriate size, such as a powdered catalyst, there are many portions that effectively contribute to the reaction inside the catalyst, and the reaction rate is unlikely to decrease.
- the amount of the catalyst is, for example, 0.1 to 50 parts by mass, preferably 0.5 to 20 parts by mass with respect to 100 parts by mass of hydrogenated terephthalic acid or a derivative thereof.
- the solvent may be any solvent as long as it does not hinder the purpose of the method of the present invention.
- aliphatic or alicyclic hydrocarbons such as decane, undecane, dodecane, tridecane, tetradecane, pentadecane, and decalin, for example, ,
- Aromatic hydrocarbons such as mesitylene, tetralin, butylbenzene, p-cymene, diethylbenzene, diisopropylbenzene, triethylbenzene, cyclohexylbenzene, dipentylbenzene, dodecylbenzene, such as hexanol, 2-ethylhexanol, octanol, decanol, dodecanol , Ethylene glycol, diethylene glycol, triethylene glycol and other alcohols such as diethylene glycol dimethyl ether, triethylene glycol dimethyl ether, Ethers
- a solvent for example, diethylene glycol dimethyl ether, triethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether, o--, for example, from the viewpoint of suppressing precipitation of 1,4-dicyanocyclohexane to reactor downstream devices such as reactor exhaust gas pipes and dehydrators.
- Ethers such as dimethoxybenzene, ethylphenyl ether, butylphenyl ether, o-diethoxybenzene, such as iodobenzene, o-dichlorobenzene, m-dichlorobenzene, 1,2,4-trichlorobenzene, o-dibromobenzene, Halogenated aromatic hydrocarbons such as bromochlorobenzene, o-chlorotoluene, p-chlorotoluene, p-chloroethylbenzene, 1-chloronaphthalene, such as dimethyl sulfoxide, N, N-dimethyl Formamide, N, N-dimethylacetamide, hexamethylphosphoramide, N-methyl-2-pyrrolidinone, N, N′-dimethylimidazolidinone, N, N′-diethylimidazolidinone, N, N′-di
- solvents those having a boiling point of 180 ° C. to 350 ° C. are preferable.
- Use of a solvent having a boiling point lower than 180 ° C. is not preferable because an energy load applied to the reactor is increased.
- Use of a solvent having a boiling point higher than 350 ° C. is not preferable because the effect of suppressing the precipitation of 1,4-dicyanocyclohexane to the reactor downstream apparatus such as the exhaust gas pipe of the reactor and the dehydrator becomes small.
- o-dichlorobenzene triethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether, N, N′-dimethylimidazolidinone, N, N′-diethylimidazolidinone, N, N′-di More preferably, it is selected from propylimidazolidinone, N, N ′, 4-trimethylimidazolidinone, N, N′-dimethylpropyleneurea.
- the amount of the solvent used is not particularly limited, but it is usually 10 mass times or less of the reaction substrate (including hydrogenated terephthalic acid obtained by the above-described nuclear hydrogenation step or a derivative thereof), preferably the reaction substrate. Is more preferably 3 to 50 parts by mass with respect to 100 parts by mass of hydrogenated terephthalic acid or a derivative thereof.
- the amount of solvent is small or no solvent, it becomes difficult to suppress precipitation of 1,4-dicyanocyclohexane to the reactor downstream equipment such as the exhaust gas pipe and dehydrator of the reactor, and when the amount of solvent is large, the reactor This is not preferable because the energy load applied to is increased.
- the reaction method is not particularly limited, such as a batch method using a suspended bed, a semi-batch method, a continuous method, or a fixed bed continuous method, but a liquid phase suspension reaction is preferable.
- the reactor is preferably a pressure vessel.
- an ammonia or other ammonia is supplied.
- the source compound is supplied to the reactor intermittently or continuously and reacted at a predetermined temperature.
- the supply amount of the ammonia source compound is, for example, 1 to 20 moles, preferably 2 moles per mole of hydrogenated terephthalic acid or a derivative thereof from the viewpoint of facilitating treatment or recovery of ammonia after the reaction. ⁇ 20 moles.
- the supply rate of the ammonia source compound is not particularly limited, but is preferably from 0.1 mol to 2 mol per hour per 1 mol of hydrogenated terephthalic acid or a derivative thereof, more than 0.5 mol and less than 2 mol More preferably, it is more than 0.5 molar equivalent / hydrogenated terephthalic acid or its derivative / hr and 2 molar equivalent / hydrogenated terephthalic acid or its derivative / hr or less.
- the supply rate is less than 0.5 mol per hour per 1 mol of hydrogenated terephthalic acid or a derivative thereof, the reaction takes a long time, which is not preferable. Further, when the supply rate is larger than 2 moles per hour with respect to 1 mole of hydrogenated terephthalic acid or a derivative thereof, the amount of unreacted ammonia source compound becomes large. Is large and economically disadvantageous.
- the supply time is appropriately selected depending on the supply speed, and is, for example, 1 to 80 hours, preferably 2 to 50 hours.
- an inert gas such as nitrogen can be supplied to the reactor.
- the reaction pressure may be any of pressurization, normal pressure, and reduced pressure, and is appropriately selected.
- 1,4-dicyanocyclohexane is a mixture of cis-1,4-dicyanocyclohexane (cis isomer) and trans-1,4-dicyanocyclohexane (trans isomer) (stereoisomer mixture). As obtained.
- the unreacted ammonia source compound is recovered and reused as necessary.
- 1,4-dicyanocyclohexane is, for example, a mixture containing a catalyst such as a metal oxide, and a high-boiling component such as a reaction intermediate or by-product in the cyanation reaction. As obtained.
- the high boiling point component is separated from the mixture from which the catalyst has been removed (a mixture containing 1,4-dicyanocyclohexane and the high boiling point component) by, for example, distillation.
- the top pressure of the distillation column is, for example, 2 kPa or more, preferably 3 kPa or more, for example, 10 kPa or less, preferably 5 kPa or less. It is.
- the top temperature of the distillation column is, for example, 130 ° C. or higher, preferably 140 ° C. or higher, for example, 200 ° C. or lower, preferably 190 ° C. or lower.
- the tower bottom temperature is, for example, 160 ° C. or higher, preferably 180 ° C. or higher, for example, 280 ° C. or lower, preferably 260 ° C. or lower.
- the tower bottom residence time is, for example, 0.01 hours or more, preferably 0.1 hours or more, for example, 50 hours or less, preferably 25 hours or less.
- the mixture from which high-boiling components have been separated (removed) (stereoisomer mixture of 1,4-dicyanocyclohexane) is subjected to, for example, distillation and purification to obtain trans-1,4-dicyanocyclohexane (trans Body) can be increased.
- the top pressure of the distillation column is, for example, 3 kPa or more, preferably 4 kPa or more, for example, 30 kPa or less, preferably 15 kPa or less.
- the top temperature of the distillation column is, for example, 130 ° C. or higher, preferably 140 ° C. or higher, for example, 200 ° C. or lower, preferably 190 ° C. or lower.
- the tower bottom temperature is, for example, 160 ° C. or higher, preferably 180 ° C. or higher, for example, 280 ° C. or lower, preferably 260 ° C. or lower.
- the tower bottom residence time is, for example, 0.1 hour or more, preferably 0.2 hours or more, for example, 50 hours or less, preferably 25 hours or less.
- trans-1,4-dicyanocyclohexane in the stereoisomer mixture can be purified.
- the purity (trans isomer ratio) of the obtained trans-1,4-dicyanocyclohexane can be appropriately controlled depending on the separation conditions.
- the organic solvent used in the cyanation step can be recovered as a top component.
- the recovered organic solvent can be reused as necessary.
- 1,4-dicyanocyclohexane obtained in the above cyanation step is brought into contact with hydrogen to obtain 1,4-bis (aminomethyl) cyclohexane (aminomethylation step).
- aminomethylation step for example, a method described in JP-A No. 2001-187765 can be employed.
- the quality of hydrogen used in the aminomethylation step is sufficient for industrially used hydrogen and may contain an inert gas (for example, nitrogen, methane, etc.), but the hydrogen concentration is 50% or more. Preferably there is.
- an inert gas for example, nitrogen, methane, etc.
- a known hydrogenation catalyst such as a cobalt catalyst, a nickel catalyst, a copper catalyst, or a noble metal catalyst can be used.
- a catalyst mainly composed of nickel, cobalt and / or ruthenium is supported on a Raney-type catalyst or a porous metal oxide such as silica, alumina, silica alumina, diatomaceous earth and activated carbon. It is more preferable to use the prepared catalyst.
- it may contain a metal such as aluminum, zinc or silicon.
- These hydrogenation catalysts can contain a metal selected from chromium, iron, cobalt, manganese, tungsten, and molybdenum as a reaction accelerator.
- the hydrogenation catalyst can be used as a complete solid catalyst, but a supported solid catalyst such as nickel, cobalt, ruthenium etc. supported on aluminum oxide, titanium oxide, zirconium oxide, magnesia / alumina, etc. should be used. You can also.
- a catalyst supported on a powder, granular or pellet carrier can be used.
- it is a powder.
- the catalyst is of an appropriate size, such as a powder, there are many portions that contribute to the reaction effectively inside the catalyst, and the reaction rate is unlikely to decrease.
- the amount of the catalyst used is, for example, 0.1 to 20 parts by mass, preferably 0.5 to 15 parts by mass with respect to 100 parts by mass of 1,4-dicyanocyclohexane in terms of reactivity and selectivity. .
- a solvent can be appropriately used in the reaction.
- examples of such a solvent include alcohols such as water, methanol, ethanol, 1-propanol, isopropanol, 1-butanol, 2-butanol, and t-butanol, 1
- aqueous solvents such as 1,4-dioxane.
- the concentration of 1,4-dicyanocyclohexane in the reaction solution is, for example, 1 to 50% by mass, preferably 2 to 40% by mass.
- the concentration of 1,4-dicyanocyclohexane in the reaction solution is within this range, it is advantageous in that the reaction rate does not decrease and the temperature rise in the reactor is small.
- this reaction is preferably performed in the presence of ammonia.
- This ammonia functions to suppress the formation of by-products such as secondary amines, tertiary amines and polyamines other than the desired 1,4-bis (aminomethyl) cyclohexane, that is, to improve reaction selectivity. .
- the amount of ammonia used is 1 mol of 1,4-dicyanocyclohexane from the viewpoints of suppressing the production of the above-mentioned by-products, preventing a decrease in the hydrogenation rate, and facilitating the treatment or recovery of ammonia after the reaction.
- it is, for example, 0.05 to 5 mol, preferably 0.1 to 2.5 mol.
- the reaction method is not particularly limited, such as a batch method using a suspended bed, a semi-batch method, a continuous method, or a fixed bed continuous method, but a liquid phase suspension reaction is preferable.
- the reactor is preferably a pressure vessel.
- 1,4-dicyanocyclohexane, catalyst, hydrogen and, if necessary, solvent or ammonia are introduced from the upper or lower part of the reactor and reacted at a predetermined temperature.
- the reaction pressure is usually 0.1 to 20 MPa (gauge pressure), preferably 0.5 to 10 MPa (gauge pressure), more preferably 0.5 to 8 MPa (gauge pressure), particularly preferably 0.5. ⁇ 5 MPa (gauge pressure).
- the reaction temperature is, for example, 50 to 250 ° C., preferably 50 to 200 ° C., more preferably 70 to 150 ° C. from the viewpoint of reactivity and selectivity, and continuously or stepwise during the hydrogenation reaction. It is preferable to increase the reaction temperature.
- a known method such as filtration or distillation can be used to separate 1,4-bis (aminomethyl) cyclohexane from the reaction solution.
- the 1,4-bis (aminomethyl) cyclohexane thus obtained contains a cis isomer and a trans isomer.
- the content ratio of the trans isomer in 1,4-bis (aminomethyl) cyclohexane is, for example, 20 mol% or more, preferably 30 mol% or more, more preferably 40 mol% or more, for example, 90 mol% or less. , Preferably, it is 80 mol% or less, More preferably, it is 70 mol% or less.
- 1,4-bis (aminomethyl) cyclohexane obtained above is heated with a catalyst in a hydrogen atmosphere, and the cis isomer in 1,4-bis (aminomethyl) cyclohexane is converted into a trans isomer. Isomerized to increase the trans isomer content.
- Examples of the catalyst used in the isomerization step include palladium, platinum, ruthenium, rhodium, and preferably palladium and ruthenium.
- a support for example, activated carbon, alumina, titania, silica, diatomaceous earth, etc. are used, and preferably activated carbon, alumina, titania, silica are used.
- a ruthenium-supported alumina catalyst is preferred from the viewpoint of industrial handling.
- the amount of the metal (for example, palladium, platinum, ruthenium, rhodium, etc.) supported is, for example, 0.05 to 30% by mass, preferably 0.1 to 20% by mass, based on the total amount including the catalyst carrier.
- the blending ratio of the isomerization catalyst is appropriately set according to the purpose and application.
- the quality of hydrogen used in the isomerization step is sufficient for industrially used hydrogen and may contain an inert gas (for example, nitrogen, methane, etc.), but the hydrogen concentration is 50% or more. It is preferable.
- an inert gas for example, nitrogen, methane, etc.
- the heating temperature is, for example, 120 ° C. or more, preferably 150 ° C. or more, for example, 270 ° C. or less, preferably 240 ° C. or less.
- the pressure condition is, for example, 1 MPa (gauge pressure) or more, preferably 2 MPa (gauge pressure) or more, for example, 20 MPa (gauge pressure) or less, preferably 10 MPa (gauge pressure) or less.
- the heating time is, for example, 0.5 hours or more, preferably 1 hour or more, for example, 20 hours or less, preferably 10 hours or less.
- a solvent etc. can also be added as needed.
- the solvent examples include aliphatic hydrocarbons such as hexane, heptane, and octane, alicyclic hydrocarbons such as cyclohexane and methylcyclohexane, ethers such as tetrahydrofuran and dioxane, such as toluene, xylene, Aromatic hydrocarbons such as ethylbenzene, for example, alcohols such as methanol and ethanol can be used.
- aliphatic hydrocarbons such as hexane, heptane, and octane
- alicyclic hydrocarbons such as cyclohexane and methylcyclohexane
- ethers such as tetrahydrofuran and dioxane
- Aromatic hydrocarbons such as ethylbenzene, for example, alcohols such as methanol and ethanol can be used.
- aliphatic hydrocarbons such as hexane, heptane, and octane that are stable under reaction conditions
- alicyclic hydrocarbons such as cyclohexane and methylcyclohexane
- ethers such as tetrahydrofuran and dioxane are preferable.
- the mixing ratio of the solvent is appropriately set according to the purpose and application.
- the cis form of 1,4-bis (aminomethyl) cyclohexane can be isomerized to the trans form, and the content ratio of the trans form can be increased.
- the content of the trans isomer in 1,4-bis (aminomethyl) cyclohexane after the isomerization reaction is, for example, 70 mol% or more, preferably 75 mol% or more, more preferably 79 mol% or more. 95 mol% or less, preferably 93 mol% or less, more preferably 90 mol% or less.
- the content ratio of the compound represented by the above formula (2) in 1,4-bis (aminomethyl) cyclohexane after the isomerization reaction is, for example, 0.005% by mass or more with respect to the total amount, preferably It is 0.01 mass% or more, More preferably, it is 0.1 mass% or more, for example, 3 mass% or less, Preferably, it is 1.5 mass% or less.
- 1,4-bis (aminomethyl) cyclohexane is distilled and purified as necessary, so that the content ratio of the trans isomer and the content ratio of the compound represented by the above formula (2) are respectively Can be adjusted.
- the purification method is not particularly limited, and can be carried out by industrial separation techniques such as distillation and crystallization.
- the distillation column When purifying by distillation, the distillation column may be a plate column or a packed column.
- the number of stages of the rectification column, the reflux ratio, and the distillation rate can be appropriately set depending on the trans isomer content necessary for the 1,4-bis (aminomethyl) cyclohexane after purification, and are not particularly limited.
- the theoretical plate number of the distillation column (packed column) is, for example, 2 or more, preferably 5 or more, for example, 60 or less, preferably 40 or less.
- the operating pressure of the distillation column is not particularly limited, but 1,4-bis (aminomethyl) cyclohexane at high temperatures may cause undesirable changes such as transformation into high boiling components. In order to lower the operating temperature, the reduced pressure condition is preferred.
- the top pressure of the distillation column is, for example, 2 kPa or more, preferably 3 kPa or more, for example, 10 kPa or less, preferably 5 kPa or less.
- the reflux ratio at the top of the column is, for example, 0.01 or more, preferably 0.1 or more, for example, 60 or less, preferably 40 or less.
- the top temperature of the distillation column is, for example, 130 ° C. or higher, preferably 140 ° C. or higher, for example, 200 ° C. or lower, preferably 190 ° C. or lower.
- the tower bottom temperature is, for example, 130 ° C. or higher, preferably 180 ° C. or higher, for example, 280 ° C. or lower, preferably 260 ° C. or lower.
- the trans isomer content in such 1,4-bis (aminomethyl) cyclohexane is, for example, 70 mol% or more, preferably 75 mol% or more, more preferably 80 mol% or more. For example, it is 95 mol% or less, preferably 93 mol% or less, more preferably 90 mol% or less.
- the content of the compound represented by the above formula (2) in 1,4-bis (aminomethyl) cyclohexane is, for example, 0.005% by mass or more, preferably with respect to the total amount thereof. Is 0.01% by mass or more, more preferably 0.1% by mass or more, for example, 3% by mass or less, preferably 1.5% by mass or less.
- 1,4-bis (aminomethyl) cyclohexane is not particularly limited as long as the content ratio of the trans isomer and the content ratio of the compound represented by the formula (2) can be adjusted to the above ratio.
- various methods can be employed.
- 1,4-bis (aminomethyl) cyclohexane can be heated for the isomerization reaction as described above, or can be used after distillation and purification.
- a commercially available para-xylylenediamine is subjected to a nuclear hydrogenation reaction according to a conventional method to obtain 1,4-bis (aminomethyl) cyclohexane mixed with a trans isomer and a cis isomer, and then as described above. It can be used for isomerization reaction by heating, and after distillation and purification.
- 1,4-bis (aminomethyl) cyclohexane is isocyanated by a phosgenation method.
- phosgenation method for example, a method in which 1,4-bis (aminomethyl) cyclohexane is directly reacted with phosgene (hereinafter sometimes referred to as a cold two-stage phosgenation method), for example, A method of reacting a hydrochloride obtained by reacting 1,4-bis (aminomethyl) cyclohexane with hydrochloric acid and phosgene in an inert solvent (described later) (hereinafter sometimes referred to as phosgenation method of amine hydrochloride) Etc.
- an inert solvent is charged into a reactor that is capable of being stirred and equipped with a phosgene introduction tube, and the pressure in the reaction system is, for example, normal pressure to 1 MPa. (Gauge pressure), preferably normal pressure to 0.5 MPa (gauge pressure), and the temperature is, for example, 0 to 80 ° C., preferably 0 to 60 ° C.
- the inert solvent examples include aromatic hydrocarbons such as benzene, toluene, xylene, and ethylbenzene, and fatty acid esters such as ethyl acetate, butyl acetate, and amyl acetate, such as methyl salicylate, dimethyl phthalate, and phthalic acid.
- Aromatic carboxylates such as dibutyl and methyl benzoate, for example, chlorinated aromatic hydrocarbons such as monochlorobenzene, orthodichlorobenzene, paradichlorobenzene, and trichlorobenzene, for example, chlorinated carbonization such as chloroform and carbon tetrachloride Hydrogen etc. are mentioned.
- inert solvents can be used alone or in combination of two or more.
- these inert solvents can be purified and reused by reaction, eg, distillation, after reaction with phosgene.
- the compounding amount (total amount) of the inert solvent is, for example, 400 to 3000 parts by mass, preferably 500 to 2000 parts by mass with respect to 100 parts by mass of 1,4-bis (aminomethyl) cyclohexane as a raw material.
- phosgene is introduced, for example, 1 to 10-fold mol, preferably 1 to 6-fold mol, with respect to one amino group of 1,4-bis (aminomethyl) cyclohexane.
- 1,4-bis (aminomethyl) cyclohexane dissolved in the active solvent is added.
- the reaction solution is maintained at, for example, 0 to 80 ° C., preferably 0 to 60 ° C., and the generated hydrogen chloride is discharged out of the reaction system through a reflux condenser (cold phosgenation reaction). Thereby, the contents of the reactor are made into a slurry.
- the pressure in the reaction system is, for example, normal pressure to 1 MPa (gauge pressure), preferably 0.05 to 0.5 MPa (gauge pressure), for example, 30 minutes to 5 hours,
- the temperature is raised to a temperature range of 80 to 180 ° C. After the temperature rise, for example, the reaction is continued for 30 minutes to 8 hours to completely dissolve the slurry (thermal phosgenation reaction).
- an inert gas such as nitrogen gas is introduced into the reaction system at, for example, 80 to 180 ° C., preferably 90 to 160 ° C. to dissolve excess phosgene and chloride. Purge hydrogen.
- the phosgene charged excessively can be recovered, purified and reused.
- hydrogen chloride is also recovered and converted into chlorine by reacting oxygen in the air and oxidizing hydrochloric acid, for example, by a known method. This chlorine can react with carbon monoxide and be reused as phosgene.
- the carbamoyl chloride compound produced by the cold phosgenation reaction is thermally decomposed to produce 1,4-bis (isocyanatomethyl) cyclohexane, and further, 1,4-bis (aminomethyl) cyclohexane
- Amine hydrochloride is phosgenated to produce 1,4-bis (isocyanatomethyl) cyclohexane, and the compound represented by the above formula (2) is phosgenated to obtain the compound represented by the above formula (1). It is done.
- hydrochloride of 1,4-bis (aminomethyl) cyclohexane is synthesized.
- an inert solvent and 1,4-bis (aminomethyl) cyclohexane are charged into a reactor that can be stirred and includes a hydrochloric acid gas introduction tube and a phosgene introduction tube.
- the pressure in the system is, for example, normal pressure to 1 MPa (gauge pressure), preferably normal pressure to 0.5 MPa (gauge pressure), and the temperature is, for example, 0 to 120 ° C., preferably 0 to 100 °C.
- the compounding amount (total amount) of the inert solvent is, for example, 400 to 3000 parts by mass, preferably 500 to 2000 parts by mass with respect to 100 parts by mass of 1,4-bis (aminomethyl) cyclohexane as a raw material.
- hydrochloric acid gas is introduced, for example, 1 to 5 times mol, preferably 1 to 3 times mol per mol of amino group of 1,4-bis (aminomethyl) cyclohexane.
- hydrochloride of 1,4-bis (aminomethyl) cyclohexane is synthesized.
- the excess hydrogen chloride used at this time can be purified as necessary and reused in the preparation step of hydrochloride.
- the reaction temperature is, for example, 80 to 180 ° C., preferably 90 to 160 ° C.
- the reaction pressure is, for example, normal pressure to 1.0 MPa (gauge pressure), preferably 0.05 to 0
- the pressure is maintained at 0.5 MPa (gauge pressure), and phosgene is introduced over 1 to 10 hours so that the total amount of phosgene is 1 to 10 times the stoichiometry.
- the progress of the reaction can be estimated from the amount of hydrogen chloride gas generated and the slurry insoluble in the inert solvent disappearing, and the reaction solution becomes clear and uniform. Further, the generated hydrogen chloride is released out of the reaction system through, for example, a reflux condenser. At the end of the reaction, excess phosgene and hydrogen chloride dissolved by the above method are purged. Thereafter, the mixture is cooled and the inert solvent is distilled off under reduced pressure. Also in this method, the inert reaction solvent, hydrogen chloride, phosgene and the like can be recovered, purified and reused.
- 1,4-bis (aminomethyl) cyclohexane is isocyanated by both methods to produce 1,4-bis (isocyanatomethyl) cyclohexane
- 1,4-bis ( Aminomethyl) cyclohexane can be recovered.
- tar for example, they are reacted with supercritical water, supercritical carbon dioxide, subcritical water, carbon dioxide or the like by a known method to obtain 1,4-bis (aminomethyl). The method of obtaining cyclohexane is mentioned.
- the content ratio of the trans isomer in the 1,4-bis (isocyanatomethyl) cyclohexane thus obtained is, for example, 70 mol% or more, preferably 75 mol% or more, more preferably 80 mol% or more. For example, it is 95 mol% or less, preferably 93 mol% or less, more preferably 90 mol% or less.
- the content of the compound represented by the above formula (1) in 1,4-bis (isocyanatomethyl) cyclohexane is, for example, 0.1 ppm or more, preferably 0.4 ppm or more, more preferably 1 ppm or more.
- it is 1000 ppm or less, preferably 500 ppm or less, and more preferably 300 ppm or less.
- the content of the compound represented by the above formula (1) can be adjusted by heat-treating the 1,4-bis (isocyanatomethyl) cyclohexane obtained above. .
- the heating temperature is, for example, 160 ° C. or higher, preferably 180 ° C. or higher, for example, 220 ° C. or lower, preferably 200 ° C. or lower.
- the heating time is, for example, 1 hour or more, preferably 2 hours or more, for example, 24 hours or less, preferably 12 hours or less.
- the content of the compound represented by the above formula (1) can be adjusted by distilling and purifying 1,4-bis (isocyanatomethyl) cyclohexane.
- the purification method is not particularly limited and can be carried out by industrial separation techniques such as distillation and crystallization.
- the distillation column When purifying by distillation, the distillation column may be a plate column or a packed column.
- the distillation conditions can be appropriately set depending on the content ratio of the compound represented by the above formula (1) required for the purified 1,4-bis (isocyanatomethyl) cyclohexane.
- the number of theoretical plates of the packed column) is, for example, 2 or more, preferably 5 or more, for example, 60 or less, preferably 40 or less.
- the top pressure of the distillation column is, for example, 0.1 kPa or more, preferably 0.15 kPa or more, for example, 4 kPa or less, preferably 2.5 kPa or less.
- the reflux ratio is, for example, 0.01 or more, preferably 0.1 or more, for example, 60 or less, preferably 40 or less.
- the top temperature of the distillation tower is, for example, 110 ° C. or higher, preferably 120 ° C. or higher, for example, 180 ° C. or lower, preferably 170 ° C. or lower.
- the tower bottom temperature is, for example, 120 ° C. or higher, preferably 130 ° C. or higher, for example, 190 ° C. or lower, preferably 180 ° C. or lower.
- a fraction having a distillation rate of, for example, 1% by mass or more, preferably 5% by mass or more, for example, 99% by mass or less, preferably 95% by mass or less is recovered.
- the content of the trans isomer in such 1,4-bis (isocyanatomethyl) cyclohexane is, for example, 70 mol% or more, preferably 75 mol% or more, more preferably 80 mol% or more, as described above. For example, it is 95 mol% or less, preferably 93 mol% or less, more preferably 90 mol% or less.
- the content ratio of the compound represented by the above formula (1) in 1,4-bis (isocyanatomethyl) cyclohexane is, for example, 0.1 ppm or more, preferably 0.4 ppm or more, as described above. Preferably, it is 1 ppm or more, for example, 300 ppm or less, preferably 200 ppm or less, more preferably 100 ppm or less.
- the high-boiling components including the bottom part (tar part) and 1,4-bis (isocyanatomethyl) cyclohexane generated in these distillation steps are recovered, and after the recovery, -Bis (isocyanatomethyl) cyclohexane can also be recovered. Furthermore, some of these can be returned to the distillation step to purify and recover 1,4-bis (isocyanatomethyl) cyclohexane.
- the storage stability is excellent. Further, if the content ratio of the trans form of 1,4-bis (isocyanatomethyl) cyclohexane and the content ratio of the compound represented by the formula (1) are within the above specific ranges, the polyurethane resin having excellent various physical properties Can be obtained.
- a stabilizer or the like can be added to 1,4-bis (isocyanatomethyl) cyclohexane.
- the stabilizer examples include an antioxidant, an acidic compound, a compound containing a sulfonamide group, and an organic phosphite.
- antioxidants examples include hindered phenol antioxidants, and specific examples include 2,6-di (t-butyl) -4-methylphenol, 2,4,6-triphenol.
- -T-butylphenol 2,2'-methylenebis- (4-methyl-6-t-butylphenol), 2,2'-thio-bis- (4-methyl-6-t-butylphenol), 4,4'- Thio-bis (3-methyl-6-t-butylphenol), 4,4'-butylidene-bis- (6-t-butyl-3-methylphenol), 4,4'-methylidene-bis- (2,6 -Di-t-butylphenol), 2,2'-methylene-bis- [4-methyl-6- (1-methylcyclohexyl) -phenol], tetrakis- [methylene-3- (3,5-di-t- Butyl-4-hydro Cyphenyl) -propionyl] -methane, 1,3,5-trimethyl-2,4,6-tris- (3,5
- antioxidants can be used alone or in combination of two or more.
- Examples of the acidic compound include organic acidic compounds. Specifically, for example, phosphoric acid, phosphate ester, phosphite ester, hypophosphite ester, formic acid, acetic acid, propionic acid, hydroxyacetic acid, Examples include acid, lactic acid, citric acid, malic acid, sulfonic acid, sulfonic acid ester, phenol, enol, imide, and oxime.
- These acidic compounds can be used alone or in combination of two or more.
- Examples of the compound containing a sulfonamide group include aromatic sulfonamides and aliphatic sulfonamides.
- aromatic sulfonamides include benzenesulfonamide, dimethylbenzenesulfonamide, sulfanilamide, o- and p-toluenesulfonamide, hydroxynaphthalenesulfonamide, naphthalene-1-sulfonamide, naphthalene-2-sulfonamide, Examples thereof include m-nitrobenzenesulfonamide and p-chlorobenzenesulfonamide.
- Examples of the aliphatic sulfonamides include methanesulfonamide, N, N-dimethylmethanesulfonamide, N, N-dimethylethanesulfonamide, N, N-diethylmethanesulfonamide, N-methoxymethanesulfonamide, N- Examples include dodecylmethanesulfonamide, N-cyclohexyl-1-butanesulfonamide, and 2-aminoethanesulfonamide.
- These compounds containing a sulfonamide group can be used alone or in combination of two or more.
- organic phosphites include organic phosphite diesters and organic phosphite triesters, and more specifically, for example, triethyl phosphite, tributyl phosphite, tris (2-ethylhexyl) phosphine.
- tridecyl phosphite trilauryl phosphite, tris (tridecyl) phosphite, tristearyl phosphite, triphenyl phosphite, tris (nonylphenyl) phosphite, tris (2,4-di-t-butylphenyl) Monophosphites such as phosphite, diphenyldecyl phosphite, diphenyl (tridecyl) phosphite, such as distearyl pentaerythrityl diphosphite, di-dodecyl pentaerythritol diphosphite, di-tridecyl From polyhydric alcohols such as pentaerythritol diphosphite, dinonylphenyl pentaerythritol diphosphite, tetraphenyl tetratetrade
- organic phosphites can be used alone or in combination of two or more.
- the stabilizer preferably includes an antioxidant, an acidic compound, and a compound containing a sulfonamide group. More preferably, 1,4-bis (isocyanatomethyl) cyclohexane is mixed with an antioxidant and a compound containing an acidic compound and / or a sulfonamide group.
- the mixing ratio of the stabilizer is not particularly limited, and is appropriately set according to necessity and application.
- the blending ratio of the antioxidant is, for example, 0.0005 to 0.05 parts by mass with respect to 100 parts by mass of 1,4-bis (isocyanatomethyl) cyclohexane.
- the compounding ratio of the acidic compound and / or the compound containing a sulfonamide group is, for example, 100 parts by mass of 1,4-bis (isocyanatomethyl) cyclohexane. 0.0005 to 0.05 parts by mass.
- the present invention further includes a polyisocyanate composition obtained using the above 1,4-bis (isocyanatomethyl) cyclohexane.
- the polyisocyanate composition is obtained by modifying 1,4-bis (isocyanatomethyl) cyclohexane, and contains at least one of the following functional groups (a) to (e). .
- the polyisocyanate composition containing the functional group (isocyanurate group) of (a) is 1,4 -Trimer (trimer) of bis (isocyanatomethyl) cyclohexane, for example, by reacting 1,4-bis (isocyanatomethyl) cyclohexane in the presence of a known isocyanuration catalyst. Can be obtained.
- the polyisocyanate composition containing the functional group (allophanate group) of (b) above is an allophanate-modified product of 1,4-bis (isocyanatomethyl) cyclohexane, for example, 1,4-bis (isocyanatomethyl). It can be obtained by reacting cyclohexane with monoalcohol and then further reacting in the presence of a known allophanatization catalyst.
- the polyisocyanate composition containing the functional group (biuret group) of (c) above is a biuret-modified product of 1,4-bis (isocyanatomethyl) cyclohexane, for example, 1,4-bis (isocyanatomethyl).
- a known biuretization catalyst after reacting cyclohexane with, for example, water, tertiary alcohol (eg, t-butyl alcohol), secondary amine (eg, dimethylamine, diethylamine, etc.), etc. It can be obtained by further reaction below.
- the polyisocyanate composition containing the functional group (urethane group) of (d) is a polyol-modified product of 1,4-bis (isocyanatomethyl) cyclohexane, for example, 1,4-bis (isocyanatomethyl). ) It can be obtained by a reaction between cyclohexane and a polyol component (for example, a dihydric alcohol or a trihydric alcohol described later, preferably trimethylolpropane).
- a polyol component for example, a dihydric alcohol or a trihydric alcohol described later, preferably trimethylolpropane.
- the polyisocyanate composition containing the functional group (urea group) of (e) is a polyamine-modified product of 1,4-bis (isocyanatomethyl) cyclohexane, for example, 1,4-bis (isocyanatomethyl). ) It can be obtained by reaction of cyclohexane with water, a polyamine component (described later) and the like.
- the polyisocyanate composition only needs to contain at least one of the functional groups (a) to (e) described above, and may contain two or more. Such a polyisocyanate composition is produced by appropriately combining the above reactions.
- the polyisocyanate composition is preferably a trimer of 1,4-bis (isocyanatomethyl) cyclohexane (polyisocyanate composition containing an isocyanurate group).
- the trimer of 1,4-bis (isocyanatomethyl) cyclohexane may contain a polyisocyanate having an iminooxadiazinedione group in addition to the isocyanurate group.
- the 1,4-bis (isocyanatomethyl) cyclohexane described above has various physical properties because the content ratio of the trans isomer and the content ratio of the compound represented by the formula (1) are within the specific range described above. An excellent polyurethane resin can be obtained.
- the above polyisocyanate composition is obtained using the above 1,4-bis (isocyanatomethyl) cyclohexane, a polyurethane resin excellent in various physical properties can be obtained by using the polyisocyanate composition. it can.
- the present invention includes a polyurethane resin obtained using the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition.
- the polyurethane resin of the present invention reacts a polyisocyanate component containing the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition with an active hydrogen group-containing component. Can be obtained.
- the polyisocyanate component contains the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition as an essential component.
- polyisocyanate component is an optional component as long as the excellent effects of the present invention are not impaired.
- aliphatic polyisocyanate alicyclic polyisocyanate (1,4-bis (isocyanatomethyl) ) Except cyclohexane), araliphatic polyisocyanates, aromatic polyisocyanates and the like.
- aliphatic polyisocyanate examples include trimethylene diisocyanate, tetramethylene diisocyanate, pentamethylene diisocyanate, hexamethylene diisocyanate, 1,2-propylene diisocyanate, 1,2-butylene diisocyanate, 2,3-butylene diisocyanate, 1,3- Examples include aliphatic diisocyanates such as butylene diisocyanate, 2,4,4- or 2,2,4-trimethylhexamethylene diisocyanate, and 2,6-diisocyanate methyl caproate.
- Examples of the alicyclic polyisocyanate include 1,3-cyclopentane diisocyanate, 1,4-cyclohexane diisocyanate, 1,3-cyclohexane diisocyanate, 3- Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate (also known as isophorone diisocyanate), 4,4'-methylenebis (cyclohexyl isocyanate), methyl-2,4-cyclohexane diisocyanate, methyl-2,6-cyclohexane diisocyanate, 1 , 3-bis (isocyanatomethyl) cyclohexane, 1,3-bis (isocyanatoethyl) cyclohexane, 1,4-bis (isocyanatoethyl) cyclohexane, 2,5- or 2,6-bis ( An alicyclic diisocyanate, 1,3-cyclopentane diisocyanate, 1,4
- araliphatic polyisocyanate examples include 1,3- or 1,4-xylylene diisocyanate or a mixture thereof, 1,3- or 1,4-tetramethylxylylene diisocyanate or a mixture thereof, ⁇ , ⁇ ′-diisocyanato And aromatic aliphatic diisocyanates such as 1,4-diethylbenzene.
- aromatic polyisocyanates examples include 2,4-tolylene diisocyanate and 2,6-tolylene diisocyanate, and isomer mixtures of these tolylene diisocyanates, 4,4′-diphenylmethane diisocyanate, 2,4′-diphenylmethane diisocyanate. And 2,2′-diphenylmethane diisocyanate, and any isomer mixture of these diphenylmethane diisocyanates, aromatic diisocyanates such as toluylene diisocyanate, paraphenylene diisocyanate, naphthalene diisocyanate, and the like.
- these polyisocyanate derivatives can be used in combination. More specifically, multimers of these polyisocyanates (dimers, trimers (eg, isocyanurate-modified products), biuret-modified products, allophanate-modified products, polyol-modified products, oxadiazine trione-modified products, carbodiimide-modified products, uretdione. Examples include modified products.
- the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition is used in combination with another polyisocyanate, their blending ratio is based on the total amount of the polyisocyanate component.
- the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition is, for example, 10 mol% or more, preferably 30 mol% or more, for example, 90 mol% or less, preferably 70 mol% or less.
- the other polyisocyanate is, for example, 10 mol% or more, preferably 30 mol% or more, for example, 90 mol% or less, preferably 70 mol% or less.
- the active hydrogen group-containing component mainly contains, for example, a polyol component (a component mainly containing a polyol having two or more hydroxyl groups) and a polythiol component (a polythiol having two or more mercapto groups (thiol groups)).
- a polyol component a component mainly containing a polyol having two or more hydroxyl groups
- a polythiol component a polythiol having two or more mercapto groups (thiol groups)
- Component a polyamine component (a compound mainly containing a polyamine having two or more amino groups), and the like.
- examples of the polyol component include low molecular weight polyols and high molecular weight polyols.
- the low molecular weight polyol is a compound having two or more hydroxyl groups and a number average molecular weight of less than 400, and includes ethylene glycol, propylene glycol, 1,3-propanediol, 1,4-butylene glycol, 1,3-butylene glycol, , 2-butylene glycol, 1,5-pentanediol, 1,6-hexanediol, neopentyl glycol, alkane (7-22) diol, diethylene glycol, triethylene glycol, dipropylene glycol, 3-methyl-1,5- Pentanediol, alkane-1,2-diol (C17-20), isosorbide, 1,3- or 1,4-cyclohexanedimethanol and mixtures thereof, 1,4-cyclohexanediol, hydrogenated bisphenol A, 1,4 -Dihydroxy-2-bute , 2,6-dimethyl-1-octene-3,8-dio
- polyalkylene oxides having a number average molecular weight of less than 400 obtained by adding alkylene oxides such as ethylene oxide and propylene oxide using these as initiators. .) Is also included in the low molecular weight polyol.
- the high molecular weight polyol is a compound having two or more hydroxyl groups and a number average molecular weight of 400 or more, for example, polyether polyol, polyester polyol, polycarbonate polyol, polyurethane polyol, epoxy polyol, vegetable oil polyol, polyolefin polyol, acrylic polyol, and And vinyl monomer-modified polyol.
- polyether polyol examples include polyalkylene polyol, polytetramethylene ether glycol, and polytrimethylene ether glycol.
- polyalkylene polyol examples include addition polymers of alkylene oxides such as ethylene oxide and propylene oxide using the above-described low molecular weight polyols or aromatic / aliphatic polyamines (described later) as initiators. Random and / or block copolymers). Polyethylene glycol can also be used.
- the CPR (controlled polymerization rate) of the polyalkylene polyol containing polyethylene glycol is preferably 5 or less, more preferably 3 or less, and most preferably 2 or less. CPR is measured based on the method described in JIS K1557-1. By using a CPR polyoxyalkylene polyol in such a range, side reactions based on isocyanate groups can be suppressed in the reaction with 1,4-bis (isocyanatomethyl) cyclohexane of the present invention.
- polytetramethylene ether glycol examples include a ring-opening polymer obtained by cationic polymerization of tetrahydrofuran, and amorphous polytetramethylene ether glycol obtained by copolymerizing the above-described dihydric alcohol with a polymerization unit of tetrahydrofuran.
- polytetramethylene ether glycol derived from plants starting from tetrahydrofuran produced based on plant-based materials such as furfural can also be used.
- polytrimethylene ether glycol examples include a polyol produced by condensation polymerization of plant-derived 1,3-propanediol.
- polyester polyol examples include polycondensates obtained by reacting the above-described low molecular weight polyol (preferably dihydric alcohol) with a polybasic acid under known conditions.
- polybasic acid examples include oxalic acid, malonic acid, succinic acid, methyl succinic acid, glutaric acid, adipic acid, 1,1-dimethyl-1,3-dicarboxypropane, 3-methyl-3-ethylglutaric acid Azelaic acid, sebacic acid, other saturated aliphatic dicarboxylic acids (having 11 to 13 carbon atoms) such as maleic acid, fumaric acid, itaconic acid, other unsaturated aliphatic dicarboxylic acids such as orthophthalic acid, isophthalic acid, Terephthalic acid, toluene dicarboxylic acid, naphthalene dicarboxylic acid, other aromatic dicarboxylic acids such as hexahydrophthalic acid, other alicyclic dicarboxylic acids such as dimer acid, hydrogenated dimer acid, het acid Acids and acid anhydrides derived from these carboxylic acids, eg oxalic anhydride
- polyester polyols include hydroxycarboxylic acids such as the above-described low molecular weight polyols and hydroxyl group-containing vegetable oil fatty acids (for example, castor oil fatty acid containing ricinoleic acid, hydrogenated castor oil fatty acid containing 12-hydroxystearic acid). And vegetable oil-based polyester polyols obtained by a condensation reaction under known conditions.
- Polyester polyols obtained by ring-opening polymerization of lactones such as ⁇ -caprolactone and ⁇ -valerolactone for example, using the above-described low molecular weight polyol (preferably dihydric alcohol) as an initiator, Examples include caprolactone polyol, polyvalerolactone polyol, and lactone polyester polyol obtained by copolymerizing the above-described dihydric alcohol.
- polycarbonate polyol examples include a ring-opening polymer of ethylene carbonate using the above-described low molecular weight polyol (preferably a dihydric alcohol) as an initiator, for example, 1,4-butanediol, 1,5-pentanediol, Examples thereof include amorphous polycarbonate polyols obtained by copolymerizing a dihydric alcohol such as 3-methyl-1,5-pentanediol and 1,6-hexanediol with a ring-opening polymer.
- the polyurethane polyol is a polyester polyol, polyether polyol and / or polycarbonate polyol obtained as described above, in a ratio in which the equivalent ratio of hydroxyl group to isocyanate group (OH / NCO) exceeds 1, the polyisocyanate (1, By reacting with 4-bis (isocyanatomethyl) cyclohexane (hereinafter the same), polyester polyurethane polyol, polyether polyurethane polyol, polycarbonate polyurethane polyol, or polyester polyether polyurethane polyol can be obtained.
- epoxy polyol examples include an epoxy polyol obtained by reacting the above-described low molecular weight polyol with a polyfunctional halohydrin such as epichlorohydrin or ⁇ -methylepichlorohydrin.
- Examples of the vegetable oil polyol include hydroxyl group-containing vegetable oils such as castor oil and palm oil.
- castor oil polyol, or ester-modified castor oil polyol obtained by reaction of castor oil polyol and polypropylene polyol can be used.
- polystyrene resin examples include polybutadiene polyol, partially saponified ethylene-vinyl acetate copolymer, and the like.
- acrylic polyol examples include a copolymer obtained by copolymerizing a hydroxyl group-containing acrylate and a copolymerizable vinyl monomer copolymerizable with the hydroxyl group-containing acrylate.
- hydroxyl group-containing acrylates examples include 2-hydroxyethyl (meth) acrylate, hydroxypropyl (meth) acrylate, hydroxybutyl (meth) acrylate, 2,2-dihydroxymethylbutyl (meth) acrylate, polyhydroxyalkyl maleate, Examples thereof include polyhydroxyalkyl fumarate.
- Preferable examples include 2-hydroxyethyl (meth) acrylate.
- Examples of the copolymerizable vinyl monomer include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, isopropyl (meth) acrylate, butyl (meth) acrylate, isobutyl (meth) acrylate, s-butyl ( (Meth) acrylate, t-butyl (meth) acrylate, pentyl (meth) acrylate, isopentyl (meth) acrylate, hexyl (meth) acrylate, isononyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, cyclohexyl acrylate, isobornyl (meth) ) Alkyl (meth) acrylates such as acrylate (1 to 12 carbon atoms), for example, aromatic vinyl monomers such as styrene, vinyltoluene, ⁇ -methyls
- the acrylic polyol can be obtained by copolymerizing these hydroxyl group-containing acrylate and copolymerizable vinyl monomer in the presence of a suitable solvent and a polymerization initiator.
- the acrylic polyol includes, for example, silicone polyol and fluorine polyol.
- silicone polyol examples include an acrylic polyol in which a silicone compound containing a vinyl group such as ⁇ -methacryloxypropyltrimethoxysilane is blended as the copolymerizable vinyl monomer in the copolymerization of the acrylic polyol described above. .
- the fluorine polyol for example, in the copolymerization of the acrylic polyol described above, as the copolymerizable vinyl monomer, for example, an acrylic polyol in which a fluorine compound containing a vinyl group such as tetrafluoroethylene or chlorotrifluoroethylene is blended may be mentioned. .
- the vinyl monomer-modified polyol can be obtained by a reaction between the above-described high molecular weight polyol and a vinyl monomer.
- the high molecular weight polyol is preferably a high molecular weight polyol selected from polyether polyol, polyester polyol and polycarbonate polyol.
- examples of the vinyl monomer include the above-described alkyl (meth) acrylate, vinyl cyanide, vinylidene cyanide, and the like. These vinyl monomers can be used alone or in combination of two or more. Of these, alkyl (meth) acrylate is preferable.
- the vinyl monomer-modified polyol is obtained by reacting these high molecular weight polyol and vinyl monomer in the presence of a radical polymerization initiator (for example, persulfate, organic peroxide, azo compound, etc.), for example. Can be obtained.
- a radical polymerization initiator for example, persulfate, organic peroxide, azo compound, etc.
- polyol components can be used alone or in combination of two or more.
- polythiol components include aliphatic polythiols, aromatic polythiols, heterocyclic polythiols, aliphatic polythiols containing sulfur atoms in addition to mercapto groups, aromatic polythiols containing sulfur atoms in addition to mercapto groups, and mercapto groups.
- polythiol components include aliphatic polythiols, aromatic polythiols, heterocyclic polythiols, aliphatic polythiols containing sulfur atoms in addition to mercapto groups, aromatic polythiols containing sulfur atoms in addition to mercapto groups, and mercapto groups.
- examples include heterocycle-containing polythiols containing sulfur atoms.
- Examples of the aliphatic polythiol include methanedithiol, 1,2-ethanedithiol, 1,1-propanedithiol, 1,2-propanedithiol, 1,3-propanedithiol, 1,4-butanedithiol, 1,5- Pentanedithiol, 2,2-propanedithiol, 1,6-hexanedithiol, 1,2,3-propanetrithiol, 1,1-cyclohexanedithiol, 1,2-cyclohexanedithiol, 2,2-dimethylpropane-1, 3-dithiol, 3,4-dimethoxybutane-1,2-dithiol, 2-methylcyclohexane-2,3-dithiol, 1-methylcyclohexane-2,3-dithiol, bicyclo [2,2,1] hepta-exo -Cis-2,3-dithiol, tetrakis (mer
- aromatic polythiol examples include 1,2-dimercaptobenzene, 1,3-dimercaptobenzene, 1,4-dimercaptobenzene, 1,2-bis (mercaptomethyl) benzene, and 1,3-bis (mercapto).
- heterocyclic-containing polythiol examples include 2-methylamino-4,6-dithiol-sym-triazine, 2-ethylamino-4,6-dithiol-sym-triazine, 2-amino-4,6-dithiol-sym.
- Aliphatic polythiols containing sulfur atoms in addition to mercapto groups include, for example, bis (mercaptomethyl) sulfide, bis (mercaptoethyl) sulfide, bis (mercaptopropyl) sulfide, bis (mercaptomethylthio) methane, bis (2-mercapto) Ethylthio) methane, bis (3-mercaptopropylthio) methane, 1,2-bis (mercaptomethylthio) ethane, 1,2-bis (2-mercaptoethylthio) ethane, 1,2-bis (3-mercaptopropyl) ) Ethane, 1,3-bis (mercaptomethylthio) propane, 1,3-bis (2-mercaptoethylthio) propane, 1,3-bis (3-mercaptopropylthio) propane, 1,2,3-tris ( Mercaptomethylthio) propane, 1,2,3-tris (2-me Captoethylthio
- aromatic polythiols containing sulfur atoms in addition to mercapto groups include 1,2-bis (mercaptomethylthio) benzene, 1,3-bis (mercaptomethylthio) benzene, 1,4-bis (mercaptomethylthio) benzene, 1,2-bis (mercaptoethylthio) benzene, 1,3-bis (mercaptoethylthio) benzene, 1,4-bis (mercaptoethylthio) benzene, 1,2,3-tris (mercaptomethylthio) benzene, 1 , 2,4-Tris (mercaptomethylthio) benzene, 1,3,5-tris (mercaptomethylthio) benzene, 1,2,3-tris (mercaptoethylthio) benzene, 1,2,4-tris (mercaptoethylthio) ) Benzene, 1,3,5-tris (mercaptoethylthio) benz
- heterocyclic-containing polythiol containing a sulfur atom other than a mercapto group examples include 3,4-thiophenedithiol, 2,5-dimercapto-1,3,4-thiadiazole, and the like, and thioglycolic acid and mercaptopropionic acid. And the like.
- polythiol component further include halogen substitution products such as chlorine substitution products and bromine substitution products of these polythiols.
- polythiols can be used alone or in combination of two or more.
- polyamine component examples include an aromatic polyamine, an araliphatic polyamine, an alicyclic polyamine, an aliphatic polyamine, an amino alcohol, a primary amino group, or an alkoxy having a primary amino group and a secondary amino group.
- polyamine component examples include silyl compounds and polyoxyethylene group-containing polyamines.
- aromatic polyamines examples include 2,4-tolylenediamine (2,4-diaminotoluene), 2,6-tolylenediamine (2,6-diaminotoluene), 4,4′-diphenylmethanediamine, 4'-diphenylmethanediamine, 2,2'-diphenylmethanediamine, 4,4'-diphenyletherdiamine, 2-nitrodiphenyl-4,4'-diamine, 2,2'-diphenylpropane-4,4'-diamine, 3 , 3′-dimethyldiphenylmethane-4,4′-diamine, 4,4′-diphenylpropanediamine, m-phenylenediamine, p-phenylenediamine, naphthylene-1,4-diamine, naphthylene-1,5-diamine, 3, Aromatic primary polyamines such as 3,3'-dimethoxydiphenyl-4,4'-diamine, e
- Examples of the araliphatic polyamine include 1,3- or 1,4-xylylenediamine or a mixture thereof, 1,3-tetramethylxylylenediamine (1,3-di (2-amino-2-methylethyl) Benzene), 1,4-tetramethylxylylenediamine (1,4-bis (2-amino-2-methylethyl) benzene) and other araliphatic primary polyamines such as N, N′-dialkyl-1, 3-bis (aminomethyl) benzene, N, N′-dialkyl-1,4-bis (aminomethyl) benzene, N, N′-dialkyl-1,3-tetramethylxylylenediamine (N, N′-dialkyl) -1,3-di (2-amino-2-methylethyl) benzene), N, N′-dialkyl-1,4-tetramethylxylylenediamine (N, N′-dial
- alicyclic polyamines examples include 3-aminomethyl-3,5,5-trimethylcyclohexylamine (also known as isophoronediamine), 4,4′-dicyclohexylmethanediamine (also known as 4,4′-methylenebis (cyclohexene).
- Examples of the aliphatic polyamine include ethylenediamine, propylenediamine, 1,3-propanediamine, 1,4-butanediamine, 1,3-pentanediamine, 1,5-pentanediamine, 1,6-hexamethylenediamine, , 7-diaminoheptane, 1,8-diaminooctane, 1,9-diaminononane, 1,10-diaminodecane, 1,12-diaminododecane, 2,2,4-trimethylhexamethylenediamine, 2,4,4- Trimethylhexamethylenediamine, tetramethylenediamine, hydrazine (including hydrate), 1,2,3-triaminopropane, triaminohexane, triaminononane, triaminododecane, 1,8-diamino-4-amino Methyloctane, 1,3,6-triaminohexane, 1,
- amino alcohol examples include N- (2-aminoethyl) ethanolamine.
- alkoxysilyl compound having a primary amino group or a primary amino group and a secondary amino group examples include ⁇ -aminopropyltriethoxysilane and N-phenyl- ⁇ -aminopropyltrimethoxysilane.
- Examples include alkoxysilyl group-containing monoamines, N- ⁇ (aminoethyl) ⁇ -aminopropyltrimethoxysilane, and N- ⁇ (aminoethyl) ⁇ -aminopropylmethyldimethoxysilane.
- polyoxyethylene group-containing polyamine examples include polyoxyalkylene ether diamines such as polyoxyethylene ether diamine. More specifically, for example, PEG # 1000 diamine manufactured by Nippon Oil & Fats, Jeffamine ED-2003, EDR-148, XTJ-512 manufactured by Huntsman, and the like can be mentioned.
- polyamine components can be used alone or in combination of two or more.
- monool and / or monoamine can be used in combination as the active hydrogen group-containing component.
- Examples of monools include methanol, ethanol, propanol, butanol, 2-ethylhexyl alcohol, stearyl alcohol, other alkanols (C5 to 38) and aliphatic unsaturated alcohols (C9 to 24), alkenyl alcohols, 2-propene- Examples include 1-ol, alkadienol (C6-8), 3,7-dimethyl-1,6-octadien-3-ol, and the like.
- Examples of monoamines include dimethylamine, diethylamine, di-n-propylamine, diisopropylamine, di-n-butylamine, diisobutylamine, di-t-butylamine, dihexylamine, 2-ethylhexylamine, 3-methoxypropylamine, Examples include 3-ethoxypropylamine, 3- (2-ethylhexyloxypropylamine), 3- (dodecyloxy) propylamine, morpholine, and the like.
- the compound represented by the above formula (1) is contained in the polyisocyanate component at a predetermined ratio
- the amine compound corresponding to the compound represented by the above formula (1) that is, the above formula (2)
- the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition is used as the polyisocyanate component. Therefore, the required physical properties according to various uses can be improved.
- the polyurethane resin of the present invention includes, for example, an elastomer (polyurethane solution, aqueous polyurethane, hot melt molding (slush molding, rotational molding) urethane powder, thermoplastic urethane elastomer (TPU), thermosetting urethane elastomer (TSU), spray.
- an elastomer polyurethane solution, aqueous polyurethane, hot melt molding (slush molding, rotational molding) urethane powder, thermoplastic urethane elastomer (TPU), thermosetting urethane elastomer (TSU), spray.
- Molded urethane, melt-spun or dry-spun elastic fiber mainly solution-based, powder-based curing agents: adducts, allophanates, burettes, uretdiones, polyisocyanurates, iminooxadiandiones and mixtures thereof), industry Can be used in a wide range of applications such as adhesives for hot melts, sealing materials, polyurethane foams and gels.
- paint mainly solution-based, powder-based curing agents: adducts, allophanates, burettes, uretdiones, polyisocyanurates, iminooxadiandiones and mixtures thereof
- industry can be used in a wide range of applications such as adhesives for hot melts, sealing materials, polyurethane foams and gels.
- derivatives such as polyimide, polyamide, polyamideimide, and oxazoline.
- a molded article using the polyurethane resin of the present invention for example, fibers, fabrics, films, sheets, non-woven fabrics, films, sheets, golf balls, swimwear, compression wear, underwear, shoes, grips and other sports equipment, clothing, catheters , Tubes, hoses, endoscope cover materials, housing coatings for smartphones, tablets, etc., ink binders, coating materials for solar cell members, optical lenses (glasses lenses, sunglasses), eyewear materials such as eyewear frames, transparent Resins, artificial or synthetic leather, RIM molded products, automobile interior / exterior members, Shinkansen members, transport aircraft members, rolls, casters, tires, gels, foams, pads, puffs, and the like.
- the polyisocyanate component contains the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition, 4-Bis (isocyanatomethyl) cyclohexane is used alone.
- examples of the active hydrogen group-containing component include the polyol component.
- the active hydrogen group-containing component preferably, the above high molecular weight polyol is used.
- thermoplastic urethane elastomer In the case of producing a thermoplastic urethane elastomer (TPU), more preferable examples include polyether polyols such as polytetramethylene ether glycol and polyethylene glycol, polyester polyols, polycaprolactone polyols, and polycarbonate polyols.
- polyether polyols such as polytetramethylene ether glycol and polyethylene glycol
- polyester polyols such as polycaprolactone polyols, and polycarbonate polyols.
- polycarbonate polyols polycarbonate polyols.
- TPU thermoplastic urethane elastomer having excellent moisture permeability
- polytetramethylene ether glycol and polycarbonate polyol heat having excellent mechanical properties can be obtained.
- a plastic urethane elastomer (TPU) can be obtained.
- thermosetting urethane elastomer More preferably, polyether polyol, polycaprolactone polyol, polyester polyol, etc. are mentioned, More preferably, polytetramethylene ether glycol, polycaprolactone polyol, etc. are mentioned. It is done.
- the hydroxyl value of the high molecular weight polyol is, for example, 10 to 125 mgKOH / g, and the number average molecular weight thereof is, for example, 400 to 5000, preferably 1000 to 3000, More preferably, it is 1000-2500.
- the hydroxyl value can be determined from an acetylation method, a phthalation method, or the like based on A method or B method of JIS K1557-1. Further, the hydroxyl value and the hydroxyl equivalent have the relationship of the following formula (1).
- Hydroxyl value 56100 / hydroxyl equivalent (1)
- the number average molecular weight can be obtained from the hydroxyl group equivalent and the average functional group number, and the average functional group number can be obtained from the following formula (2).
- Average number of functional groups (total number of functional groups of each polyol ⁇ number of equivalents) / total number of equivalents of each polyol (2)
- the active hydrogen group-containing component for example, the above-described low molecular weight polyol, polythiol component, polyamine component, monool and / or monoamine can be further blended in an appropriate ratio.
- a low molecular weight polyol and / or a polyamine component are blended.
- a dihydric alcohol is used when a thermoplastic urethane elastomer (TPU) is produced, and a thermosetting urethane elastomer (TSU) is produced. Contains a dihydric alcohol and a trihydric alcohol, respectively.
- the polyurethane resin of the present invention can be produced as an elastomer by a polymerization method such as bulk polymerization or solution polymerization.
- an active hydrogen group-containing component is added to a polyisocyanate component with stirring under a nitrogen stream, and the reaction temperature is 50 to 250 ° C., more preferably 50 to 200 ° C. React for about 15 hours.
- a polyisocyanate component and an active hydrogen group-containing component are added to an organic solvent and reacted at a reaction temperature of 50 to 120 ° C., more preferably 50 to 100 ° C. for about 0.5 to 15 hours.
- organic solvent examples include ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, and cyclohexanone, nitriles such as acetonitrile, alkyl esters such as methyl acetate, ethyl acetate, butyl acetate, and isobutyl acetate, such as n- Aliphatic hydrocarbons such as hexane, n-heptane and octane, for example, alicyclic hydrocarbons such as cyclohexane and methylcyclohexane, for example, aromatic hydrocarbons such as toluene, xylene and ethylbenzene, such as methyl cellosolve acetate , Ethyl cellosolve acetate, methyl carbitol acetate, ethyl carbitol acetate, ethylene glycol ethyl ether acetate, propy
- a known urethanization catalyst such as amines or organometallic compounds may be added as necessary, and free (unreacted) from the resulting isocyanate group-terminated prepolymer.
- the polyisocyanate may be removed by known removal means such as distillation or extraction.
- amines include tertiary amines such as triethylamine, triethylenediamine, bis- (2-dimethylaminoethyl) ether, N-methylmorpholine, and quaternary ammonium salts such as tetraethylhydroxylammonium, such as imidazole, And imidazoles such as 2-ethyl-4-methylimidazole.
- tertiary amines such as triethylamine, triethylenediamine, bis- (2-dimethylaminoethyl) ether, N-methylmorpholine
- quaternary ammonium salts such as tetraethylhydroxylammonium, such as imidazole, And imidazoles such as 2-ethyl-4-methylimidazole.
- organometallic compounds include tin acetate, tin octylate, tin oleate, tin laurate, dibutyltin diacetate, dimethyltin dilaurate, dibutyltin dilaurate, dibutyltin dimercaptide, dibutyltin maleate, dibutyltin dilaurate, dibutyltin Organic tin compounds such as dineodecanoate, dioctyltin dimercaptide, dioctyltin dilaurate, dibutyltin dichloride, for example, organic lead compounds such as lead octoate and lead naphthenate, for example, organic nickel compounds such as nickel naphthenate, For example, organic cobalt compounds such as cobalt naphthenate, for example, organic copper compounds such as copper octenoate, for example, organic bismuth compounds such as bismuth octylate
- examples of the urethanization catalyst include potassium salts such as potassium carbonate, potassium acetate, and potassium octylate.
- urethanization catalysts can be used alone or in combination of two or more.
- the polyisocyanate component and the active hydrogen group-containing component are equivalent to the isocyanate group in the polyisocyanate component relative to the active hydrogen group (hydroxyl group, mercapto group, amino group) in the active hydrogen group-containing component. It is blended so that the ratio (NCO / active hydrogen group) is, for example, 0.75 to 1.3, preferably 0.9 to 1.1.
- the polyurethane resin can be obtained by a known method such as a one-shot method or a prepolymer method.
- the equivalent ratio of the isocyanate group in the polyisocyanate component to the active hydrogen group (hydroxyl group, mercapto group, amino group) in the active hydrogen group-containing component is changed between the polyisocyanate component and the active hydrogen group-containing component ( NCO / active hydrogen group) is, for example, formulated (mixed) to be 0.75 to 1.3, preferably 0.9 to 1.1, and then, for example, room temperature to 250 ° C., preferably room temperature.
- the curing reaction is carried out at ⁇ 200 ° C., for example, for 5 minutes to 72 hours, preferably 4 to 24 hours.
- the curing temperature may be a constant temperature, or may be raised or cooled stepwise.
- the polyisocyanate component and / or the active hydrogen group-containing component is preferably heated and mixed after being reduced in viscosity, and then defoamed as necessary. Pour into a heated mold.
- the polyurethane resin molded into a desired shape can be obtained by removing the mold.
- it after demolding, as needed, it can also be heat-formed within about 7 days at room temperature.
- an isocyanate component and an active hydrogen group-containing component preferably a high molecular weight polyol
- an active hydrogen group-containing component preferably a high molecular weight polyol
- an active hydrogen group-containing component preferably a high molecular weight polyol
- an active hydrogen group-containing component preferably a high molecular weight polyol
- the obtained isocyanate group-terminated prepolymer and the remainder of the active hydrogen group-containing component preferably, a low molecular weight polyol and / or polyamine component
- the remainder of the active hydrogen group-containing component is used as a chain extender.
- an equivalent ratio of an isocyanate group in the polyisocyanate component to a polyisocyanate component and a part of the active hydrogen group-containing component is compared with an active hydrogen group in a part of the active hydrogen group-containing component.
- Formulated (mixed) so that (NCO / active hydrogen group) is, for example, 1.1 to 20, preferably 1.3 to 10, and more preferably 1.3 to 6,
- the reaction is performed at room temperature to 150 ° C., preferably at 50 to 120 ° C., for example, for 0.5 to 18 hours, preferably 2 to 10 hours.
- the urethanization catalyst described above may be added.
- an unreacted polyisocyanate component may be removed, for example, by distillation or extraction. It can also be removed by known removal means.
- the equivalent ratio of isocyanate groups in the isocyanate group-terminated prepolymer to the active hydrogen groups in it is, for example, 0.75 to 1.3, preferably 0.8 to 1.2.
- NCO / active hydrogen groups is, for example, 0.75 to 1.3, preferably 0.8 to 1.2.
- the isocyanate group-terminated prepolymer and / or the remainder of the active hydrogen group-containing component is preferably heated and mixed after being reduced in viscosity, and then defoamed as necessary. And then poured into a preheated mold.
- the polyurethane resin molded into a desired shape can be obtained by removing the mold.
- it after demolding, as needed, it can also be heat-formed within about 7 days at room temperature.
- additives such as plasticizers, antiblocking agents, heat stabilizers, light stabilizers, UV absorbers, NOx, and the like are added as necessary. Yellowing inhibitors, antioxidants, mold release agents, catalysts, pigments, dyes, lubricants, fillers, hydrolysis inhibitors, and the like can be blended in appropriate proportions. These additives may be added at the time of synthesis of each component, or may be added at the time of mixing / dissolving each component, and may be added after the synthesis.
- Examples of the light resistance stabilizer include hindered amine compounds (specifically, tinuvin 765, tinuvin 770, and tinuvin 622LD, all manufactured by BASF, specifically, ADK STAB LA-52, ADK STAB LA-57, and ADK STAB LA-63P.
- These light-resistant stabilizers can be used alone or in combination of two or more.
- UV absorber examples include benzotriazole compounds (specifically, tinuvin 571, tinuvin 213, tinuvin 234, tinuvin P (above, manufactured by BASF)), formamidine-based compounds (specifically, ZikasorborR, Zikasorb BS, ZIKA-FA02, ZIKA-FUA, ZIKA-FUV, ZIKA-UVS3, ZIKA-UVS4 (manufactured by ZIKO). These ultraviolet absorbers can be used alone or in combination of two or more.
- NOx yellowing inhibitor examples include 1,6-hexamethylenebis (N, N-dimethyldimethylsemicarbazide), 1,1,1 ′, 1′-tetramethyl-4,4 ′-(methylene-di- And para-phenylene) disemicarbazide, buturetritri- (hexamethylene-N, N-dimethylsemicarbazide), and the like.
- Specific examples include HN-130, HN-150, and HN-300 (manufactured by Nihon Finechem Co., Ltd.). These NOx yellowing inhibitors can be used alone or in combination of two or more.
- the polyurethane resin thus obtained as an elastomer has excellent appearance, mechanical properties (elongation, strength) and durability. Therefore, the polyurethane resin obtained as an elastomer can be used in various industrial fields.
- thermosetting urethane elastomer is a member of various industrial equipment, specifically, for example, a roll member (for example, a press member, for example, an image forming apparatus such as a printing machine, a copying machine, a printer, or a paper machine).
- a roll member for example, a press member, for example, an image forming apparatus such as a printing machine, a copying machine, a printer, or a paper machine.
- Belt members for example, transmission belts, conveyor belts, conveyor belts, shoe press belts, etc.
- pumps used in heavy machinery such as oil, gas, mines, dumps, and the ocean Parts
- clamps, seals, rollers, wheels, wheel treads, casters, chutes, valves, shakers, shock absorbers, bushings, dampers, coils, roller coaster rolls, treads, wheels, and parts for muddy water for oil crushing Can also be used.
- Thermoplastic urethane elastomer is, for example, a pipe (for example, a tube such as a medical tube or a catheter, a tube such as an air tube, a hydraulic tube, or a wire tube, such as a hose such as a fire hose), a belt, etc.
- a band such as a watch band, such as a belt for an automobile transmission belt, various industrial conveyor belts (conveyor belts)), a packing, a cable sheath, a wire harness, a telecommunication cable, an automobile wiring, a computer wiring , Industrial products such as curl cords, care products such as sheets and films, sports goods, leisure goods, various miscellaneous goods, anti-vibration / vibration-isolating materials, shock absorbers, optical materials, light-guide films, console boxes, instruments Automotive parts such as panels and door panels, surface protection Sheet members, decorative sheets, transfer sheets, tape members such as semiconductor protective tape, outsole, golf ball members, strings for tennis rackets, agricultural films, wallpaper, anti-fogging agents, yarns, fibers, non-woven fabrics, cover materials, transparent films It can be suitably used in various industrial fields, such as automobile chipping films, light automobile tire members, electronic passport members, watch members, sunglasses, eyeglass lenses, and frames thereof.
- the polyurethane resin of the present invention is produced as an optical polyurethane resin by a reaction between the polyisocyanate component and the active hydrogen group-containing component.
- the polyisocyanate component contains the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition, preferably the above 1,4-bis (isocyanatomethyl) cyclohexane alone is used.
- examples of the active hydrogen group-containing component include the polyol component and / or the polythiol component.
- Preferred examples of the active hydrogen group-containing component include the above aliphatic polythiols (aliphatic polythiols not containing a sulfur atom other than a mercapto group), and aliphatic polythiols containing a sulfur atom other than a mercapto group, and more preferably pentane.
- examples include erythritol tetrakis (3-mercaptopropionate) and 1,2-bis (2-mercaptoethylthio) -3-propanethiol.
- the hydroxyl value of the polyol component is, for example, 280 to 1240 mgKOH / g, preferably 400 to 940 mgKOH / g, and its number average molecular weight is an average functionality.
- the radix is, for example, more than 2, preferably more than 2.5, more preferably more than 2.8, usually less than 5, preferably less than 4.5.
- the impact resistance and heat resistance of the polyurethane resin produced as an optical polyurethane resin can be improved.
- the number average molecular weight of the polyol component is, for example, 90 to 1000, preferably 100 to 800.
- the active hydrogen group-containing component if necessary, for example, the low molecular weight polyol, polythiol component (excluding aliphatic polythiol), polyamine component, monool and / or monoamine are blended at an appropriate ratio. Can do.
- the above-described one-shot method one-shot method when the polyurethane resin of the present invention is produced as an elastomer
- the above-described prepolymer method the present invention. It is possible to conform to a known polyurethane molding method such as a prepolymer method in the case of producing a polyurethane resin as an elastomer.
- the polyisocyanate component and the active hydrogen group-containing component are combined with the active hydrogen group (hydroxyl group, mercapto group, amino group) in the active hydrogen group-containing component.
- the mixture is injected into a mold, for example
- the curing reaction is performed at room temperature to 180 ° C., preferably at room temperature to 150 ° C., for example, for 10 minutes to 72 hours, preferably for 4 to 24 hours.
- the polyisocyanate component and a part of the active hydrogen group-containing component are equivalent to the equivalent of the isocyanate group in the polyisocyanate component to the active hydrogen group in the part of the active hydrogen group-containing component. It is formulated (mixed) so that the ratio (NCO / active hydrogen group) is, for example, 1.1 to 20, preferably 1.5 to 10, and, for example, room temperature to 150 ° C., preferably Is reacted at 50 to 120 ° C., for example, for 0.5 to 18 hours, preferably 2 to 10 hours, to produce an isocyanate group-terminated prepolymer.
- the equivalent ratio of isocyanate groups in the isocyanate group-terminated prepolymer (NCO / active hydrogen groups) to the active hydrogen groups in it is, for example, 0.5 to 2.0, preferably 0.75 to 1.25. (Mixed) and injected into a mold, for example, at room temperature to 180 ° C., preferably at room temperature to 150 ° C., for example, for 5 minutes to 72 hours, preferably for 1 to 24 hours.
- the obtained polyurethane resin optical polyurethane resin
- insert molding that is, after setting a polarizing film or the like in a molding die in advance.
- the mixed raw materials polyisocyanate component and active hydrogen group-containing component
- the polyurethane resin of the present invention is produced as an optical polyurethane resin
- further known additives such as an internal mold release agent, a bluing agent, a plasticizer, an antifoaming agent, and a leveling agent are used.
- a weather resistance stabilizer and the like can be blended at an appropriate ratio.
- the heated internal mold release agent is, for example, 0.01 to 10 parts by mass, preferably 0.1 to 5 parts by mass with respect to 100 parts by mass of the total amount of the polyisocyanate component and the active hydrogen group-containing component. It mixes in the ratio.
- the internal release agent examples include phosphate ester release agents, alkyl phosphate release agents, and fatty acid ester release agents.
- a phosphate ester release agent is used. By blending such an internal mold release agent, a polyurethane resin that can be easily released from the mold can be obtained.
- the polyurethane resin thus obtained as an optical polyurethane resin is excellent in refractive index, mechanical properties (tensile strength) and durability while having an excellent appearance (transparency).
- this polyurethane resin (optical polyurethane resin) satisfies practical optical characteristics and has excellent mechanical properties such as heat resistance and impact resistance.
- Optical lenses such as lenses, sunglasses lenses, polarizing lenses, spectacle lenses, camera lenses, pickup lenses, contact lenses, and for example, automotive lighting panels, headlight lenses, headlight and taillight lamp covers, optical elements, optical disks
- Optical materials such as organic EL and LEDs, electrical decorations such as signboards, optical fibers, glass substitutes, interlayer films for laminated glass, windshields for aircraft, large tank walls, transparent roofing materials, glazing materials, transparent materials for daily necessities, Protective glasses, hood, protective shield, car security parts, lighting parts, Smartphone, can be suitably used for optical components such as a tablet.
- the polyurethane resin of the present invention is produced, for example, as an aqueous polyurethane resin (aqueous dispersion of polyurethane resin) by a reaction between the polyisocyanate component and the active hydrogen group-containing component.
- aqueous polyurethane resin aqueous dispersion of polyurethane resin
- the above-mentioned prepolymer method is employed as a method for producing the polyurethane resin of the present invention as an aqueous polyurethane resin.
- the above-mentioned isocyanate component and active hydrogen group-containing component are mixed in the isocyanate component relative to the active hydrogen group in the active hydrogen group-containing component. Is reacted at a ratio in which the equivalent ratio of isocyanate groups (NCO / active hydrogen groups) exceeds 1, to obtain an isocyanate group-terminated prepolymer.
- the polyisocyanate component contains the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition, preferably the above 1 , 4-Bis (isocyanatomethyl) cyclohexane is used alone.
- examples of the active hydrogen group-containing component include the polyol component described above.
- the active hydrogen group-containing component is preferably a high molecular weight polyol, more preferably a polyester polyol, a polyether polyol or a polycarbonate polyol.
- the hydroxyl value of the high molecular weight polyol is, for example, 10 to 125 mgKOH / g, and the number average molecular weight thereof is, for example, 400 to 5000, preferably 1000 to 3000, more preferably 1000 to 2500.
- the active hydrogen group-containing component includes an active hydrogen group-containing component containing a hydrophilic group (hereinafter referred to as a hydrophilic group-containing active hydrogen compound).
- the hydrophilic group-containing active hydrogen compound is a compound having both at least one hydrophilic group and two or more active hydrogen groups.
- the hydrophilic group include an anionic group, a cationic group, and a nonionic group.
- the active hydrogen group is a group that reacts with an isocyanate group, and examples thereof include a hydroxyl group, an amino group, a carboxyl group, and an epoxy group. More specifically, the hydrophilic group-containing active hydrogen compound is more specifically a carboxylic acid group-containing active hydrogen compound, a sulfonic acid group-containing active hydrogen compound, a hydroxyl group-containing active hydrogen compound, a hydrophilic group-containing polybasic acid, or a polyoxyethylene group-containing active hydrogen. Compound etc. are mentioned.
- carboxylic acid group-containing active hydrogen compound examples include 2,2-dimethylolacetic acid, 2,2-dimethylollactic acid, 2,2-dimethylolpropionic acid (hereinafter referred to as DMPA), and 2,2-dimethylolbutane.
- Acids hereinafter referred to as DMBA
- dihydroxycarboxylic acids such as 2,2-dimethylolbutyric acid and 2,2-dimethylolvaleric acid, for example, diaminocarboxylic acids such as lysine and arginine, or their metal salts and ammonium Examples include salts.
- DMPA 2,2-dimethylolpropionic acid
- DMBA 2,2-dimethylolbutanoic acid
- sulfonic acid group-containing active hydrogen compound examples include dihydroxybutanesulfonic acid and dihydroxypropanesulfonic acid obtained from a synthesis reaction of an epoxy group-containing compound and acidic sulfite.
- N, N-bis (2-hydroxyethyl) -2-aminoethanesulfonic acid N, N-bis (2-hydroxyethyl) -2-aminobutanesulfonic acid, 1,3-phenylenediamine-4 , 6-Disulfonic acid, diaminobutanesulfonic acid, diaminopropanesulfonic acid, 3,6-diamino-2-toluenesulfonic acid, 2,4-diamino-5-toluenesulfonic acid
- N- (2-aminoethyl) -2 -Aminoethanesulfonic acid 2-aminoethanesulfonic acid
- hydroxyl group-containing active hydrogen compound examples include N- (2-aminoethyl) ethanolamine.
- hydrophilic group-containing polybasic acid examples include polybasic acids containing sulfonic acid, and more specifically, 5-sulfoisophthalic acid, sulfoterephthalic acid, 4-sulfophthalic acid, and 5- (p-sulfophenoxy) isophthalic acid.
- Acid 5- (sulfopropoxy) isophthalic acid, 4-sulfonaphthalene-2,7-dicarboxylic acid, sulfopropylmalonic acid, sulfosuccinic acid, 2-sulfobenzoic acid, 2,3-sulfobenzoic acid, 5-sulfosalicylic acid,
- alkyl esters of these carboxylic acids, and metal salts and ammonium salts of these sulfonic acids are also included.
- Preferred examples include sodium salt of 5-sulfoisophthalic acid and sodium salt of dimethyl 5-sulfoisophthalate.
- the polyoxyethylene group-containing active hydrogen compound is a compound having a polyoxyethylene group in the main chain or side chain and having two or more active hydrogen groups.
- polyoxyethylene group-containing active hydrogen compound examples include polyethylene glycol (for example, number average molecular weight 200 to 6000, preferably 300 to 3000) and polyoxyethylene side chain-containing polyol.
- the polyoxyethylene side chain-containing polyol is a compound containing a polyoxyethylene group in the side chain and having two or more active hydrogen groups, and can be synthesized as follows.
- a known diisocyanate and one-end-capped polyoxyethylene glycol for example, alkoxyethylene glycol one-end-capped with an alkyl group having 1 to 4 carbon atoms, having a number average molecular weight of 200 to 6000, preferably 300 to 3000
- a urethanation reaction in an excess ratio of the isocyanate group of the diisocyanate with respect to the hydroxyl group of the one-end-capped polyoxyethylene glycol, and if necessary, the unreacted diisocyanate is removed, thereby containing a polyoxyethylene chain.
- Monoisocyanate is obtained.
- polyoxyethylene chain-containing monoisocyanate and dialkanolamine are approximately equal in amount of the isocyanate group of polyoxyethylene group-containing monoisocyanate with respect to the secondary amino group of dialkanolamine.
- the urea reaction is carried out at a rate of
- the diisocyanate for obtaining the polyoxyethylene side chain-containing polyol is preferably an aliphatic diisocyanate such as pentamethylene diisocyanate or hexamethylene diisocyanate (HDI), 1,4- or 1,3-bis (isocyanatomethyl) cyclohexane ( H 6 XDI), 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate (also known as isophorone diisocyanate (IPDI)), 4,4′-methylenebis (cyclohexyl isocyanate) (H 12 MDI), 2,5 And alicyclic diisocyanates such as-/ 2,6-bis (isocyanatomethyl) norbonane (NBDI). More preferably, HDI is mentioned.
- HDI pentamethylene diisocyanate or hexamethylene diisocyanate
- H 6 XDI 1,4- or 1,3-bis (isocyanatomethyl) cycl
- the polyoxyethylene group has a content with respect to the polyurethane resin (solid content) of, for example, 0.9 to 30% by mass, preferably 2 to 2%. It is 20% by mass, more preferably 2 to 10% by mass.
- the concentration of the polyoxyethylene group in the polyurethane resin or the isocyanate group-terminated prepolymer can be measured by, for example, an NMR method using an internal standard substance.
- hydrophilic group-containing active hydrogen compounds can be used alone or in combination of two or more. Of these, carboxylic acid group-containing active hydrogen compounds and polyoxyethylene group-containing active hydrogen compounds are preferable.
- the above-described low molecular weight polyol, polythiol component, polyamine component, monool and / or monoamine can be blended at an appropriate ratio.
- the above-mentioned polyisocyanate component and the above active hydrogen group-containing component are subjected to the bulk polymerization described above (the present invention).
- the reaction is carried out by a known polymerization method such as bulk polymerization in the case of producing a polyurethane resin as an elastomer, or the above-described solution polymerization (solution polymerization in the case of producing the polyurethane resin of the present invention as an elastomer).
- each said component has the equivalent ratio (NCO / active hydrogen group) of the isocyanate group in a polyisocyanate component with respect to the active hydrogen group in an active hydrogen group containing component (a hydrophilic group containing active hydrogen compound is included), for example, It is formulated (mixed) so as to have a ratio of 1.1 to 2.5, preferably 1.2 to 2.3, and more preferably 1.2 to 2.0. If the equivalent ratio of isocyanate groups is within this range, the dispersion stability of the polyurethane resin can be improved. Therefore, a film, artificial leather, and synthetic leather having excellent appearance can be obtained using this polyurethane resin.
- a high molecular weight polyol and a hydrophilic group-containing active hydrogen compound are added thereto, and the reaction temperature is 50 to 130 ° C., preferably The reaction is performed at 50 to 80 ° C. for about 3 to 15 hours.
- a polyisocyanate component, a high molecular weight polyol, and a hydrophilic group-containing active hydrogen compound are added to the organic solvent described above, and the reaction temperature is 50 to 120 ° C., preferably 50 to 80 ° C. The reaction is performed for about 3 to 15 hours.
- the hydrophilic group-containing active hydrogen compound in the synthesis of the above-described polyester polyol, can be contained in the molecular chain of the high-molecular weight polyol by blending the above-described hydrophilic group-containing active hydrogen compound as the low molecular weight polyol. .
- a hydrophilic group-containing active hydrogen compound can be contained in the molecular chain of the high molecular weight polyol by blending a hydrophilic group-containing polybasic acid as the polybasic acid. .
- a high molecular weight is obtained by blending the above-mentioned hydrophilic group-containing active hydrogen compound as an initiator or a copolymerization component.
- a hydrophilic group-containing active hydrogen compound can also be contained in the molecular chain of the polyol.
- hydrophilic group-containing active hydrogen compound by reacting a hydrophilic group-containing active hydrogen compound with a high molecular weight polyol such as polyether polyol (preferably polytetramethylene ether glycol), a hydrophilic group is incorporated into the molecular chain of the high molecular weight polyol.
- a contained active hydrogen compound can also be contained.
- the neutralizing agent may be a conventional base such as an organic base [eg, tertiary amines (triC1-4 alkylamines such as trimethylamine and triethylamine, dimethyl Ethanolamine, methyldiethanolamine, triethanolamine, alkanolamines such as triisopropanolamine, heterocyclic amines such as morpholine)], inorganic bases [ammonia, alkali metal hydroxides (lithium hydroxide, sodium hydroxide, hydroxide) Potassium, etc.), alkaline earth metal hydroxides (magnesium hydroxide, calcium hydroxide, etc.), alkali metal carbonates (sodium carbonate, potassium carbonate, etc.)].
- organic base eg, tertiary amines (triC1-4 alkylamines such as trimethylamine and triethylamine, dimethyl Ethanolamine, methyldiethanolamine, triethanolamine, alkanolamines such as triisopropano
- the neutralizing agent is added at a rate of 0.4 to 1.2 equivalents, preferably 0.6 to 1 equivalents per equivalent of anionic group.
- the isocyanate group-terminated prepolymer thus obtained is a polyurethane prepolymer having two or more free isocyanate groups at its molecular ends, and the isocyanate group content (isocyanate group content) is, for example, It is 0.3 to 10% by mass, preferably 0.5 to 6% by mass, and more preferably 1.0 to 5.0% by mass. Further, the average number of functional groups of the isocyanate group is, for example, 1.5 to 3.0, preferably 1.9 to 2.5.
- the number average molecular weight (number average molecular weight by GPC measurement using standard polystyrene as a calibration curve) is, for example, 1000 to 30000, preferably 1500 to 20000.
- the hydrophilic group concentration of the isocyanate group-terminated prepolymer is, for example, 0.1 to 1.0 mmol / g, preferably 0.2 to 0.7 mmol / g, and more preferably 0.2 to 0.6 mmol / g. g.
- the isocyanate group-terminated prepolymer obtained above and a chain extender are then reacted and dispersed in water.
- a polyurethane resin in which the isocyanate group-terminated prepolymer is chain-extended with a chain extender can be obtained as an aqueous polyurethane resin.
- chain extender examples include low molecular weight polyols such as the dihydric alcohol and trihydric alcohol, and polyamine components such as the alicyclic polyamine and the aliphatic polyamine.
- examples of the chain extender include active hydrogen group-containing components containing an alkoxysilyl group.
- the active hydrogen group-containing component containing an alkoxysilyl group is a compound having both an alkoxysilyl group and an active hydrogen group.
- alkoxy group bonded to the Si atom in the alkoxysilyl group examples include an alkoxy group having 1 to 4 carbon atoms such as a methoxy group, an ethoxy group, a propoxy group, a butoxy group, an isopropoxy group, and an isobutoxy group.
- a methoxy group and an ethoxy group are mentioned.
- the number of bonds of the alkoxy group to the Si atom is usually 1 to 3, preferably 1 to 2.
- Examples of the active hydrogen group include a hydroxyl group, a mercapto group, and an amino group, and an amino group is preferable.
- the active hydrogen group-containing component containing an alkoxysilyl group includes, for example, N- ⁇ (aminoethyl) - ⁇ -aminopropylmethyldimethoxysilane, N- ⁇ (aminoethyl) - ⁇ -aminopropyltrimethyl.
- Examples thereof include silane, ⁇ -aminopropyltriethoxysilane, ⁇ -aminopropyldimethoxysilane, ⁇ -aminopropyldiethoxysilane, and N, N′-bis [a- (trimethoxysilyl) propyl] ethylenediamine.
- the equivalent of active hydrogen groups contained in the chain extender is preferably 250 to 800 mgKOH / g, and more preferably 350 to 600 mgKOH / g. If the equivalent of active hydrogen groups is within this range, a polyurethane resin (aqueous polyurethane resin) having excellent durability can be obtained.
- chain extenders can be used alone or in combination of two or more.
- the isocyanate group-terminated prepolymer obtained above and a chain extender are reacted and dispersed in water.
- a polyurethane resin in which the isocyanate group-terminated prepolymer is chain-extended with a chain extender can be obtained as an aqueous dispersion (aqueous dispersion of polyurethane resin).
- the isocyanate group-terminated prepolymer is added to water to disperse the isocyanate group-terminated prepolymer.
- a chain extender is added thereto to chain extend the isocyanate group-terminated prepolymer.
- the isocyanate group-terminated prepolymer is gradually added to water with stirring.
- Water is preferably added so as to have a ratio of 60 to 1000 parts by mass with respect to 100 parts by mass of the isocyanate group-terminated prepolymer.
- the chain extender is added to the isocyanate group-terminated prepolymer dispersed in water, and the equivalent ratio (active hydrogen group / NCO) of the active hydrogen groups in the chain extender to the isocyanate groups in the isocyanate group-terminated prepolymer is stirred.
- the amount is substantially equal, for example, 0.5 to 1.1, preferably 0.7 to 1.
- the chain extender is preferably formulated as an aqueous solution.
- concentration of the diamine in the aqueous solution is preferably at least 20% by mass, and more preferably at least 50% by mass.
- the chain extender is preferably added at a temperature of 40 ° C. or lower, and after the addition is completed, the reaction is completed, for example, at room temperature with further stirring.
- the organic solvent is removed, for example, by heating at an appropriate temperature under reduced pressure after the reaction of the isocyanate group-terminated prepolymer.
- a hydrophilic group-containing active hydrogen compound is not used as the active hydrogen group-containing component, that is, when the polyurethane resin is not internally emulsified in the production of an aqueous polyurethane resin, for example, nonionic type such as polyoxyethylene alkyl ether External emulsification type aqueous polyurethane resin (polyurethane resin) by external emulsification (phase inversion emulsification, forced emulsification) using external emulsifiers such as surfactants, anionic surfactants such as sodium polyoxyethylene alkyl ether sulfate Water-based dispersion).
- nonionic type such as polyoxyethylene alkyl ether
- external emulsification type aqueous polyurethane resin polyurethane resin
- external emulsification phase inversion emulsification, forced emulsification
- external emulsifiers such as surfactants, anionic surfactants such as sodium polyoxyethylene alkyl
- the aqueous polyurethane resin (aqueous dispersion of polyurethane resin) thus obtained is prepared so that the solid content thereof is, for example, 20 to 50% by mass.
- the polyurethane resin has a number average molecular weight (number average molecular weight by GPC measurement using standard polystyrene as a calibration curve) of, for example, 3000 to 100,000, preferably 5000 to 80,000.
- the charging ratio of the urethane group to the urea group is, for example, preferably from 0.05 to 1.2, and more preferably from 0.1 to 0.8.
- the polyurethane resin of the present invention is produced as an aqueous polyurethane resin
- further known additives such as a plasticizer, an antiblocking agent, a heat stabilizer, a light stabilizer, and an antioxidant are added.
- Mold release agents, catalysts, pigments, dyes, lubricants, fillers, hydrolysis inhibitors and the like can be blended in an appropriate ratio.
- the polyurethane resin of the present invention produced as an aqueous polyurethane resin is formed into a film, a film excellent in appearance, mechanical properties (elongation, strength) and durability can be obtained.
- an aqueous polyurethane resin is applied to a substrate by a known coating method such as a gravure coating method, a reverse coating method, a roll coating method, a bar coating method, a spray coating method, an air knife coating method, or a dipping method. And then dried by heating.
- a known coating method such as a gravure coating method, a reverse coating method, a roll coating method, a bar coating method, a spray coating method, an air knife coating method, or a dipping method.
- the polyurethane resin of the present invention When used for production of artificial leather and synthetic leather, it can be used, for example, as a raw material for a wet method or a dry method.
- the water-based polyurethane resin is not limited to the above-described film, artificial leather, or synthetic leather, and can be used for various applications such as automobiles, electronic devices, clothing, medical care, building materials, paints, and adhesives.
- polyurethane resin in addition to producing polyurethane resin as the above-mentioned aqueous polyurethane resin (aqueous dispersion of polyurethane resin), for example, polyurethane resin solution (organic solvent solution of polyurethane resin) ).
- the polyisocyanate component contains the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition, preferably the above 1 , 4-Bis (isocyanatomethyl) cyclohexane is used alone.
- examples of the active hydrogen group-containing component include the polyol component described above.
- the active hydrogen group-containing component is preferably a high molecular weight polyol, more preferably a polyester polyol, a polyether polyol or a polycarbonate polyol.
- the hydroxyl value of the high molecular weight polyol is, for example, 10 to 125 mgKOH / g, and the number average molecular weight thereof is, for example, 400 to 5000, preferably 1000 to 3000, more preferably 1000 to 2500.
- the above-mentioned prepolymer method prepolymer method in the case of producing the polyurethane resin of the present invention as an elastomer
- the one-shot method is employed.
- the above-mentioned isocyanate component and active hydrogen group-containing component are combined with active hydrogen in the active hydrogen group-containing component.
- An isocyanate group-terminated prepolymer is obtained by reacting at a ratio in which the equivalent ratio of isocyanate groups in the isocyanate component to groups (NCO / active hydrogen groups) exceeds 1.
- the polyisocyanate component and the active hydrogen group-containing component are subjected to the above-described bulk polymerization (bulk polymerization in the case where the polyurethane resin of the present invention is produced as an elastomer),
- the reaction is carried out by a known polymerization method such as the above-described solution polymerization (solution polymerization in the case where the polyurethane resin of the present invention is produced as an elastomer).
- Each of the above components has an equivalent ratio of isocyanate groups in the polyisocyanate component to the active hydrogen groups in the active hydrogen group-containing component (NCO / active hydrogen group) of, for example, 1.1 to 5, preferably 1 Formulate (mix) so as to have a ratio of 2 to 3, more preferably 1.2 to 2.5. If the equivalent ratio of isocyanate groups is within this range, the dissolution stability of the polyurethane resin can be improved. Therefore, a film, artificial leather, and synthetic leather having excellent appearance can be obtained using this polyurethane resin.
- the reaction temperature is 50 to 130 ° C., preferably 50 to 80 ° C.
- the reaction is performed for about 3 to 15 hours.
- a polyisocyanate component and a high molecular weight polyol are added to the organic solvent described above, and the reaction is carried out at a reaction temperature of 50 to 120 ° C., preferably 50 to 80 ° C. for about 3 to 15 hours.
- the isocyanate group-terminated prepolymer thus obtained is a polyurethane prepolymer having two or more free isocyanate groups at the molecular ends, and the isocyanate group content (isocyanate group content) is For example, 0.3 to 10% by mass. Further, the average number of functional groups of the isocyanate group is, for example, 1.5 to 3, preferably 1.9 to 2.5.
- the number average molecular weight (number average molecular weight by GPC measurement using standard polystyrene as a calibration curve) is, for example, 1000 to 30000, preferably 1500 to 20000.
- the isocyanate group-terminated prepolymer obtained above is reacted with a chain extender in an organic solvent.
- chain extender examples include low molecular weight polyols such as the above dihydric alcohol and trihydric alcohol, and the above polyamines.
- the isocyanate group-terminated prepolymer In order to react the isocyanate group-terminated prepolymer and the chain extender in an organic solvent, for example, when the isocyanate group-terminated prepolymer is obtained by bulk polymerization, first, the isocyanate group-terminated prepolymer is converted into the above-mentioned organic solvent ( Is added to an organic solvent used in solution polymerization) to dissolve the isocyanate group-terminated prepolymer.
- the isocyanate group-terminated prepolymer is gradually added to the organic solvent with stirring.
- Water is preferably added so as to have a ratio of 60 to 1000 parts by mass with respect to 100 parts by mass of the isocyanate group-terminated prepolymer.
- the isocyanate group terminal prepolymer obtained is obtained in the state melt
- an organic solvent may be further blended, or after removing the organic solvent from the isocyanate group-terminated prepolymer, it may be dissolved again in the organic solvent.
- a chain extender is added to an isocyanate group-terminated prepolymer dissolved in an organic solvent, and an equivalent ratio of active hydrogen groups in the chain extender to isocyanate groups in the isocyanate group-terminated prepolymer (active hydrogen groups) while stirring. / NCO) is added so as to be substantially equivalent, for example, 0.5 to 1.1, preferably 0.7 to 1.
- a polyurethane resin in which the isocyanate group-terminated prepolymer is chain-extended by a chain extender can be obtained as a polyurethane resin solution.
- the urethanization catalyst described above can be used.
- the urethanization catalyst may be dissolved in the organic solvent and used.
- the above-mentioned isocyanate component and the active hydrogen group-containing component are mixed with an equivalent ratio of the isocyanate group in the isocyanate component to the active hydrogen group in the active hydrogen group-containing component (NCO /
- the reaction is carried out at an active hydrogen group) of 0.8 to 1.2, preferably 0.9 to 1.1 to obtain a polyurethane resin.
- This polyurethane resin can be dissolved in the above organic solvent to obtain a polyurethane resin solution.
- a polyurethane resin solution can be obtained by directly reacting the isocyanate component and the active hydrogen group-containing component at the equivalent ratio in the organic solvent.
- the above urethanization catalyst can be used.
- the urethanization catalyst may be dissolved in the organic solvent and used.
- the polyurethane resin solution thus obtained is prepared so that its solid content is, for example, 20 to 50% by mass.
- the polyurethane resin has a number average molecular weight (number average molecular weight by GPC measurement using standard polystyrene as a calibration curve) of, for example, 3000 to 100,000, preferably 5000 to 80,000.
- the charging ratio of the urethane group to the urea group is, for example, preferably from 0.05 to 1.2, and more preferably from 0.1 to 0.8.
- the polyurethane resin of the present invention is produced as a polyurethane resin solution, if necessary, further known additives such as a plasticizer, an antiblocking agent, a heat stabilizer, a light stabilizer, and an antioxidant are added. , Mold release agents, catalysts, pigments, dyes, lubricants, fillers, hydrolysis inhibitors and the like can be blended in an appropriate ratio.
- the polyurethane resin of this invention manufactured as a polyurethane resin solution is formed into a film like the above-mentioned water-based polyurethane resin, the film excellent in an external appearance, a mechanical physical property (elongation, intensity
- the polyurethane resin solution is not limited to the above-described film, artificial leather, and synthetic leather.
- PET polyethylene terephthalate
- the polyurethane resin of the present invention is used as a paint (paint composition) and an adhesive (adhesive composition) will be described.
- the polyurethane resin of the present invention When the polyurethane resin of the present invention is used as a paint and an adhesive, the polyurethane resin of the present invention prepares the polyisocyanate component and the active hydrogen group-containing component, respectively, and blends them at the time of use. It is prepared as a liquid curable polyurethane resin.
- the polyisocyanate component for example, the polyisocyanate composition (derivative of 1,4-bis (isocyanatomethyl) cyclohexane), Use alone.
- polyisocyanate component the above-mentioned polyol modified 1,4-bis (isocyanatomethyl) cyclohexane is used alone.
- the active hydrogen group-containing component includes, for example, the polyol component, preferably a high molecular weight polyol, preferably as a coating composition. And acrylic polyol.
- the active hydrogen group-containing component for example, the above-described low molecular weight polyol, polythiol component, polyamine component, monool and / or monoamine can be blended at an appropriate ratio.
- the two-component curable polyurethane resin is preferably used as a two-component curable paint and / or a two-component curable adhesive. Specifically, first, the active hydrogen group-containing component is prepared, and the active hydrogen group-containing component is prepared. Separately from the component, a polyisocyanate component is prepared, and immediately before use, an active hydrogen group-containing component and a polyisocyanate component are mixed to prepare a two-component curable polyurethane resin. Apply to the substrate or substrate.
- the two-component curable polyurethane resin may contain other functional compounding agents depending on the purpose and application.
- CAB cellulose acetate butrate
- NC nitrocellulose
- a polymer or polyester made of acrylic acid or its ester can be contained.
- coating compositions include color pigments, dyes, ultraviolet absorbers, Adhesive compositions such as curing accelerators, light stabilizers, matting agents, etc. should contain phosphorus oxygen acid or its derivatives or silane coupling agents, etc. for improving the adhesion of the coating film at an appropriate ratio. Can do.
- color pigments and dyes include inorganic pigments such as carbon black and titanium oxide having good weather resistance, for example, organic pigments such as phthalocyanine blue, phthalocyanine green, quinacridone red, indanthrene orange, and isoindolinone-based yellow, And dyes.
- organic pigments such as phthalocyanine blue, phthalocyanine green, quinacridone red, indanthrene orange, and isoindolinone-based yellow, And dyes.
- ultraviolet absorber examples include benzophenone, benzotriazole, triazine, and cyanoacrylate ultraviolet absorbers.
- Examples of the curing accelerator include dibutyltin dilaurate.
- Examples of the light stabilizer include hindered amine light stabilizers, and more specifically, for example, ADK STAB LA62, ADK STAB LA67 (trade name, manufactured by Adeka Argus Chemical Co., Ltd.), Tinuvin 292, Tinuvin 144, Tinuvin 123, Tinuvin 440 (above, trade name, manufactured by BASF) and the like can be mentioned.
- matting agents examples include ultrafine powder synthetic silica. If a matting agent is blended, an elegant semi-gloss and matte finish film can be formed.
- oxygen acid of phosphorus examples include phosphoric acids such as hypophosphorous acid, phosphorous acid, orthophosphoric acid, hypophosphoric acid, such as metaphosphoric acid, pyrophosphoric acid, tripolyphosphoric acid, polyphosphoric acid.
- examples thereof include condensed phosphoric acids such as acid and ultraphosphoric acid.
- Examples of phosphorus oxygen acid derivatives include phosphates such as sodium and potassium, or condensed phosphates such as monomethyl orthophosphate, monoethyl orthophosphate, monopropyl orthophosphate, monobutyl orthophosphate, mono-orthophosphate.
- phosphates such as sodium and potassium
- condensed phosphates such as monomethyl orthophosphate, monoethyl orthophosphate, monopropyl orthophosphate, monobutyl orthophosphate, mono-orthophosphate.
- Monoesters such as 2-ethylhexyl, monophenyl orthophosphate, monomethyl phosphite, monoethyl phosphite, monopropyl phosphite, monobutyl phosphite, mono-2-ethylhexyl phosphite, monophenyl phosphite,
- the above-mentioned various phosphorus oxyacids or their derivatives can be used alone or in combination.
- the oxygen acid of phosphorus or its derivative is added in an amount of 0.001 to 3 parts by weight, preferably 0.01 to 2.5 parts by weight, based on 100 parts by weight of the total of the polyisocyanate component and the active hydrogen group-containing component Is done.
- Silane coupling agents include, for example, the structural formula R—Si ⁇ (X) 3 or R—Si ⁇ (R ′) (X) 2 (wherein R is a vinyl group, an epoxy group, an amino group, an imino group, An organic group having an isocyanate group or a mercapto group, R ′ represents a lower alkyl group having 1 to 4 carbon atoms, and X represents a methoxy group, an ethoxy group or a chloro atom.
- silane coupling agent examples include chlorosilanes such as vinyltrichlorosilane, such as ⁇ -glycidoxypropyltrimethoxysilane, ⁇ -glycidoxypropyltriethoxysilane, and ⁇ - (3,4-epoxy.
- Epoxy silane such as cyclohexyl) ethyltrimethoxysilane, di ( ⁇ -glycidoxypropyl) dimethoxysilane, for example, N- ⁇ - (aminoethyl) - ⁇ -aminopropyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane, Aminosilanes such as N- ⁇ - (aminoethyl) - ⁇ -propylmethyldimethoxysilane, N- (dimethoxymethylsilylpropyl) ethylenediamine, n- (triethoxysilylpropyl) ethylenediamine, N-phenyl- ⁇ -aminopropyltrimethoxysilane , Example If, vinylsilane such as vinyl triethoxysilane, for example, .gamma.-isocyanatopropyltrimethoxysilane, such as isocyanatosilane
- silane coupling agent the above-mentioned various silane coupling agents can be used alone or in combination.
- the silane coupling agent is blended in an amount of 0.001 to 10 parts by mass, preferably 0.01 to 5 parts by mass with respect to 100 parts by mass in total of the polyisocyanate component and the active hydrogen group-containing component.
- These functional compounding agents and additives may be blended in advance with the polyisocyanate component and / or active hydrogen group-containing component, or two-component curing type after blending of the polyisocyanate component and active hydrogen group-containing component. It can also be blended with a polyurethane resin.
- the polyurethane resin of the present invention is produced as a two-part curable polyurethane resin, in use, a polyisocyanate component and an active hydrogen group-containing component are blended to prepare a two-part curable polyurethane resin. Apply to the substrate or substrate.
- the blending ratio of the polyisocyanate component and the active hydrogen group-containing component is, for example, as an equivalent ratio of the isocyanate group in the polyisocyanate component to the active hydrogen group in the active hydrogen group-containing component (NCO / active hydrogen group), for example, 0
- the ratio is 0.5 to 3, preferably 0.5 to 1.5, and more preferably 0.8 to 1.2.
- the polyurethane resin of the present invention thus produced as a two-component curable polyurethane resin, it dries and cures in a short drying time, and the coating film properties such as coating film hardness and tensile strength, adhesive properties and durability. Excellent.
- the two-component curable polyurethane resin is not particularly limited with respect to the object to be coated or the object to be adhered, for example, any coating such as spray coating, air spray coating, brush coating, dipping method, roll coater, or flow coater. It can be painted by the painting method.
- the material to be coated is not particularly limited, and for example, inorganic materials such as concrete, natural stone, and glass, for example, metals such as iron, stainless steel, aluminum, copper, brass, and titanium, for example, polycarbonate, polyamide, ABS ( (Acrylonitrile-butadiene-styrene copolymer), plastics such as polypropylene, polyethylene, and polylactic acid resin, rubbers, adhesives, and organic substances such as wood.
- inorganic materials such as concrete, natural stone, and glass
- metals such as iron, stainless steel, aluminum, copper, brass, and titanium
- polycarbonate polyamide
- ABS (Acrylonitrile-butadiene-styrene copolymer)
- plastics such as polypropylene, polyethylene, and polylactic acid resin, rubbers, adhesives, and organic substances such as wood.
- it is suitable for repainting the surface of a coating film that has already been formed.
- organic and inorganic composite materials such as FRP, resin reinforced
- adherend is not particularly limited, and examples thereof include various building materials and various laminated films.
- transportation equipment such as automobiles, trains and aircraft, civil engineering members such as bridge members and steel towers, industrial materials such as waterproof sheets, tanks and pipes, building exteriors, doors, window gate members, monuments, poles Building materials such as road, median strips of roads, road members such as guardrails and sound barriers, communication equipment such as mobile phones, smartphones and tablets, back sheets of solar cells, electric and electronic parts, and the like.
- the polyurethane resin of the present invention produced as a polyurethane foam is produced from a raw material containing the polyisocyanate component, the active hydrogen group-containing component, a foaming agent and a urethanization catalyst.
- the polyisocyanate component contains the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition, preferably the above 1,4 4-Bis (isocyanatomethyl) cyclohexane is used alone.
- examples of the active hydrogen group-containing component include the polyol component.
- the active hydrogen group-containing component is preferably the above high molecular weight polyol, more preferably a polyether polyol.
- the hydroxyl value of the high molecular weight polyol is, for example, 10 to 120 mgKOH / g, preferably 20 to 10 mgKOH / g, more preferably 20 to 80 mgKOH / g.
- the number average molecular weight is, for example, 400 to 20000.
- the resilience of the polyurethane foam can be improved and the compression set can be reduced.
- the average number of functional groups of the high molecular weight polyol is preferably about 2 to 6 from the viewpoint of improving the mechanical properties.
- the high molecular weight polyol is preferably prepared as a liquid at room temperature in order to improve the mixing property with the polyisocyanate component.
- the active hydrogen group-containing component for example, the above-described low molecular weight polyol, polythiol component, polyamine component, monool and / or monoamine can be blended at an appropriate ratio.
- the low molecular weight polyol and a polyamine component are used in combination as the active hydrogen group-containing component, the low molecular weight polyol and / or the polyamine component are blended as a crosslinking agent in order to improve the resilience of the polyurethane foam.
- the crosslinking agent can be used alone or in combination of two or more.
- the blending ratio of the crosslinking agent is, for example, 0.5 to 10 parts by mass, preferably 1 to 7 parts by mass with respect to 100 parts by mass of the high molecular weight polyol.
- foaming agents include chemical foaming agents and physical foaming agents.
- Examples of the chemical foaming agent include water, which reacts with a polyisocyanate component to generate carbon dioxide gas.
- the compounding ratio of the chemical foaming agent is, for example, 0.1 to 6 parts by mass, preferably 0.5 to 5 parts by mass, and more preferably 0.5 to 4 parts by mass with respect to 100 parts by mass of the high molecular weight polyol. It is.
- Examples of the physical foaming agent include methylene chlorides, chlorofluorocarbons, hydroxychlorofluorocarbons (HCFC-134a, etc.), hydrocarbons (cyclopentane, etc.), carbon dioxide gas, liquefied carbon dioxide gas, supercritical (carbon dioxide) gas, HFCs (hydrofluorocarbons), organic foaming agents (organic foaming agents having a decomposition temperature of 60 to 130 ° C., for example, azo compounds such as diazoaminobenzene, ethyl diazoacetate, diazoacetamide, azodicarbonamide, Sulfonyl hydrazide compounds such as benzenesulfonyl hydrazide and p-toluenesulfonyl hydrazide), inorganic blowing agents (inorganic blowing agents having a decomposition temperature of 60 to 130 ° C., and include ammonium carbonate, ammonium hydrogen carbonate, sodium hydrogen carbonate, phospho
- Physical foaming agents can be used alone or in combination of two or more.
- the blending ratio of the physical foaming agent is, for example, 0.1 to 4 parts by mass, preferably 0.1 to 3 parts by mass with respect to 100 parts by mass of the high molecular weight polyol.
- the density of the polyurethane foam can be controlled by the blending ratio of the foaming agent.
- urethanization catalyst examples include the known urethanization catalysts described above.
- amines and potassium salts are used in combination.
- the blending ratio of the urethanization catalyst is, for example, 0.01 to 3 parts by mass, preferably 0.02 to 1.5 parts by mass with respect to 100 parts by mass of the high molecular weight polyol.
- a foam stabilizer and another additive can be further mix
- foam stabilizer examples include silicone foam stabilizers such as siloxane-oxyalkylene block copolymers.
- MOMENTIVE L-580, L-590, L-620, L-680, L-682, L-690, SC-154, SC-155, SC-240, L- 598, L-2100, L-2171, SH-210, L-2114, SE-232, L-533, L-534, L-539, M-6682B, L-626, L-627, L-3001, L-3111, L-3415, L-3002, L-3010, L-3222, L-3416, L-3003, L-3333, L-3417, L-2171, L-3620, L-3630, L- 3640, L-3170, L-3360, L-3350, L-3555, L-3167, L-3150, L-3151, L-5309, SH-209, L-3184, etc.
- the foam stabilizer can be used alone or in combination of two or more.
- the blending ratio of the foam stabilizer is, for example, 0.1 to 3 parts by mass, preferably 0.2 to 1.5 parts by mass with respect to 100 parts by mass of the high molecular weight polyol.
- additives examples include heat stabilizers (antioxidants), light stabilizers, and multifunctional stabilizers.
- heat-resistant stabilizers include stabilizers such as hindered phenol stabilizers, amine stabilizers, phosphorus stabilizers, and sulfur stabilizers.
- the light-resistant stabilizer examples include benzophenone UV absorbers, benzotriazole UV absorbers, hindered amine UV absorbers, salicylate UV absorbers, cyanoacrylate UV absorbers, acrylonitrile UV absorbers, and nickel or cobalt complex salts. UV absorbers and the like, preferably benzophenone UV absorbers and benzotriazole UV absorbers.
- the multifunctional stabilizer is, for example, a stabilizer having both an ultraviolet absorption function and an antioxidant function, and specific examples of such a stabilizer include benzotriazolyl-alkylbisphenol compounds. .
- the manufacturing method in particular of a polyurethane foam is not restrict
- components other than the polyisocyanate component are blended in advance as raw materials.
- a resin premix is blended.
- the polyisocyanate component and the resin premix are blended and foam-molded.
- foam molding for example, a known method such as a slab foam molding method or a mold foam molding method is used.
- the various components described above that is, the active hydrogen group-containing component, the foaming agent and the urethanization catalyst as the essential components, and the optional component, the crosslinking agent, the foam stabilizer and the additive
- the active hydrogen group-containing component, the foaming agent and the urethanization catalyst as the essential components, and the optional component, the crosslinking agent, the foam stabilizer and the additive are added to the resin premix beforehand. It can also be blended just before foaming without blending.
- the blending ratio of the polyisocyanate component and the resin premix is, for example, 70 to 180 as an index (INDEX) representing the molar ratio of the isocyanate group in the polyisocyanate component to the active hydrogen group in the active hydrogen group-containing component as a percentage.
- INDEX index representing the molar ratio of the isocyanate group in the polyisocyanate component to the active hydrogen group in the active hydrogen group-containing component as a percentage.
- 80 to 150 Preferably 80 to 150, more preferably 85 to 130.
- a mechanical floss foaming method can be used.
- the mechanical floss foaming method first, air is blown into a resin premix and foamed to form uniform micro bubbles in the resin premix (air loading), and then polyisocyanate is mixed. Reaction curing at 60-130 ° C.
- clothing molded products and sanitary molded products are manufactured by slab foam molding. Specifically, the foam is first slab foamed and then cut into a predetermined size. And a molded article is manufactured by putting a foam into a type
- molded articles for shoes, molded articles for body pressure dispersion, etc. are manufactured by mold foam molding. Specifically, first, for example, a reaction liquid in which a resin premix and a polyisocyanate component are mixed is poured into a mold having a desired shape whose temperature has been adjusted to 40 to 70 ° C., and then foam-molded in a mold. Produce foam. Then, the target molded product is manufactured through processes such as painting and adhesion.
- the polyurethane resin of the present invention is, for example, soft, semi-rigid, hard, or finely foamed (density is, for example, 10 to 200 kg / m 3 , preferably 20 to 80 kg / m 3 , more preferably 25 to 70 kg / m 3 )) polyurethane foam.
- the polyurethane resin of the present invention thus produced as a polyurethane foam has a high density, low shrinkage, and excellent breathability.
- the mechanical properties (hardness, elongation, strength, etc.) and durability are also excellent.
- the polyurethane resin of the present invention produced as a polyurethane foam in this way is used for furniture such as mattresses and sofas, clothing such as chairs, bras, underwear and shoulder pads, cosmetics such as puffs, and shoe soles.
- the polyurethane resin of the present invention is produced as a particulate polyurethane resin by a reaction between the polyisocyanate component and the active hydrogen group-containing component.
- the polyisocyanate component contains the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition, preferably the above 1,4-bis (isocyanatomethyl) cyclohexane is used alone.
- examples of the active hydrogen group-containing component include the polyol component described above.
- the active hydrogen group-containing component is preferably a high molecular weight polyol, more preferably a polyester polyol.
- the active hydrogen group-containing component contains a chain extender.
- chain extender examples include the same chain extender as the chain extender in the case where the polyurethane resin of the present invention described above is produced as an aqueous polyurethane resin.
- the chain extender includes the dihydric alcohol and the trivalent. Examples include low molecular weight polyols such as alcohol, polyamine components such as the above alicyclic diamines, and the above aliphatic diamines.
- the chain extender is preferably a dihydric alcohol, more preferably ethylene glycol, 1,3-propanediol, 1,4-butanediol, or 1,6-hexamethylene glycol.
- the active hydrogen group-containing component for example, the above-described low molecular weight polyol, polythiol component, polyamine component, monool and / or monoamine can be used in combination.
- the above-described one-shot method one-shot method when the polyurethane resin of the present invention is produced as an elastomer
- the above-described prepolymer method the present invention
- the polyisocyanate component and the active hydrogen group-containing component are reacted by a prepolymer method.
- the above components are equivalent to the isocyanate groups in the polyisocyanate component with respect to the active hydrogen groups in the active hydrogen group-containing component, the polyisocyanate component and the active hydrogen group-containing component.
- the ratio (NCO / active hydrogen group) is, for example, 0.8 to 1.1, preferably 0.9 to 1.05.
- the reaction is continued, for example, under a nitrogen atmosphere at a reaction temperature of 40 to 260 ° C., preferably 80 to 220 ° C., for a reaction time of 0.5 to 10 hours, preferably 2 to 8 hours.
- the above urethanization catalyst (the urethanization catalyst in the case of producing the polyurethane resin of the present invention as an elastomer) or the above organic solvent (in the case of producing the polyurethane resin of the present invention as an elastomer).
- Organic solvent can be added.
- the urethanization catalyst is added, for example, in an amount of 0.001 to 5 parts by mass, preferably 0.01 to 3 parts by mass with respect to 100 parts by mass of the high molecular weight polyol.
- the obtained polyurethane resin is pulverized by a known method, if necessary, and then the polyurethane resin of the present invention is obtained as a powder by a freeze pulverization method.
- an active hydrogen group-containing component excluding a chain extender for example, a high molecular weight polyol, and a low molecular weight polyol, a polythiol component, a polyamine component, a monool, and a low molecular weight polyol blended as necessary
- the ratio of the equivalent ratio of isocyanate groups in the polyisocyanate component (NCO / active hydrogen groups) to the active hydrogen groups in the monoamine) is, for example, 1.1 to 4, preferably 1.4 to 2.5. Then, they are mixed and reacted to obtain an isocyanate group-terminated prepolymer.
- the equivalent ratio is less than 1.1, the polyurethane resin has an excessively high molecular weight, which may deteriorate the moldability. On the other hand, if the equivalence ratio exceeds 4, the slush molded product becomes hard, and the touch may be impaired.
- This reaction is continued, for example, under a nitrogen atmosphere at a reaction temperature of 40 to 180 ° C., preferably 60 to 140 ° C., for a reaction time of 0.5 to 10 hours, preferably 2 to 8 hours.
- a reaction temperature 40 to 180 ° C., preferably 60 to 140 ° C.
- a reaction time 0.5 to 10 hours, preferably 2 to 8 hours.
- the reaction is terminated.
- the above urethanization catalyst the urethanization catalyst in the case of producing the polyurethane resin of the present invention as an elastomer
- organic solvent in the case of producing the polyurethane resin of the present invention as an elastomer.
- Organic solvent can be added.
- the obtained isocyanate group-terminated prepolymer and chain extender have an equivalent ratio of active hydrogen groups in the chain extender to isocyanate groups in the isocyanate group-terminated prepolymer (active hydrogen groups / NCO), for example,
- a polyurethane resin is obtained by blending at a ratio of 0.8 to 1.1, preferably 0.9 to 1.05, and causing chain elongation reaction.
- an isocyanate group-terminated prepolymer is dispersed in a non-aqueous dispersion medium or an aqueous dispersion medium to prepare a dispersion of the isocyanate group-terminated prepolymer, and a chain extender is collectively added to the dispersion. Or add in portions.
- non-aqueous dispersion medium examples include the organic solvents described above, and examples of the aqueous dispersion medium include water and a mixed solution of water and alcohols (for example, methanol, ethanol, and the like).
- the mixing ratio of the non-aqueous dispersion medium or the aqueous dispersion medium is, for example, 10 to 200 parts by mass, preferably 20 to 150 parts by mass with respect to 100 parts by mass of the isocyanate group-terminated prepolymer.
- the hydrophilic group-containing active hydrogen compound the polyurethane resin of the present invention is added to the active hydrogen group-containing component in the preparation of the isocyanate group-terminated prepolymer.
- the isocyanate group-terminated prepolymer can be internally emulsified by containing a hydrophilic group-containing active hydrogen compound in the case of production as an aqueous polyurethane resin.
- the above-described external emulsifier in the case where the polyurethane resin of the present invention is produced as an aqueous polyurethane resin
- the above-described external emulsifier is added to the aqueous dispersion medium and / or the isocyanate group-terminated prepolymer.
- An external emulsifier similar to the external emulsifier may be added to externally emulsify the isocyanate group-terminated prepolymer.
- a dispersion stabilizer can be added to the dispersion to prevent sedimentation of the dispersed phase.
- the dispersion stabilizer include a dispersant described in JP-A No. 2004-169011, for example, a resin obtained by dehydration condensation of an alkenyl succinic anhydride and a polyol or polyester polyol, for example, dehydration of dicarboxylic acid and pentaerythritol.
- An alkyd resin obtained by dehydrating and condensing a fatty acid to a part of the residual OH group of the polyester obtained by condensation such as a polyol obtained by dehydration condensation of an unsaturated bond-containing dicarboxylic acid and a polyol or polyester polyol
- the OH group of a resin obtained by masking the OH group for example, a polyol obtained by dehydration condensation of an unsaturated bond-containing dicarboxylic acid and a polyol or polyester polyol is masked, and then an ethylenically unsaturated monomer is used. Graft polymerization of the polymer It was like resin obtained.
- the blending ratio of the external emulsifier or the dispersion stabilizer is, for example, 0.05 to 5 parts by mass, preferably 0.1 to 3 parts by mass, more preferably 0.1 parts by mass with respect to 100 parts by mass of the isocyanate group-terminated prepolymer. 15 to 1.5 parts by mass.
- the reaction is carried out at a reaction temperature of 10 to 100 ° C., preferably 20 to 90 ° C., for a reaction time of 0.5 to 8 hours, preferably 2 to 6 hours.
- the above-mentioned well-known urethanation catalyst can be added to reaction as needed.
- a polyurethane resin can be obtained as a dispersion.
- the isocyanate group-terminated prepolymer and the chain extender can be directly reacted without dispersing the isocyanate group-terminated prepolymer in the non-aqueous dispersion medium or the aqueous dispersion medium.
- the polyurethane resin of the present invention is obtained by separating the solid by a separation means such as filtration to obtain the polyurethane resin as a powder.
- a separation means such as filtration
- the solid content is separated by spray drying to obtain a polyurethane resin as a powder.
- the polyurethane resin is obtained as a powder by, for example, a freeze pulverization method.
- additives such as a plasticizer, an antiblocking agent, a heat stabilizer, a light stabilizer, and an antioxidant are added.
- An agent, a release agent, an antioxidant, a pigment, a dye, a lubricant, a filler, a hydrolysis inhibitor, a thermal crosslinkable monomer, a polymerization inhibitor, and the like can be blended at an appropriate ratio.
- additives may be added at the time of synthesis of each component, or may be added at the time of mixing / dissolving each component, and may be added after the synthesis.
- the polyurethane resin of the present invention obtained as a powder (particulate polyurethane resin) in this way, it is excellent in demoldability from the mold after molding at the time of slush molding, tensile strength and thermal properties, Furthermore, a slush molded product having excellent durability, touch (feel) and design can be slush molded with high production efficiency.
- the slush molded product of the present invention is excellent in tensile strength and thermal properties, and further excellent in touch (feel) and design.
- the polyurethane resin of the present invention obtained as a particulate polyurethane resin and the molded product thereof are useful in various fields in which slush molding is performed, for example, furniture such as sofas and bedding, toys, sports equipment, toner binders, and the like. Especially, it is useful in automobile interior parts.
- the polyurethane resin (particulate polyurethane resin) of the present invention is useful in, for example, a toner binder other than the field where slush molding is performed.
- the polyurethane resin of the present invention is produced as an elastic molding polyurethane resin by a reaction between the polyisocyanate component and the active hydrogen group-containing component.
- the polyisocyanate component in the case of producing the polyurethane resin of the present invention as a polyurethane resin for elastic molding contains the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition, preferably the above 1,4-bis (isocyanatomethyl) cyclohexane alone is used.
- examples of the active hydrogen group-containing component include the above-mentioned polyol component.
- the active hydrogen group-containing component is preferably a high molecular weight polyol, more preferably a polyester polyol, a polyether polyol, or a polycarbonate polyol.
- the polyether polyol include the above-described polytetramethylene ether glycol and polytrimethylene ether glycol. Polyethylene glycol can also be used.
- the CPR (controlled polymerization rate) of the polyalkylene polyol containing polyethylene glycol is preferably 5 or less, more preferably 3 or less, and most preferably 2 or less. CPR is measured based on the method described in JIS K1557-1. By using a CPR polyoxyalkylene polyol in such a range, side reactions based on isocyanate groups can be suppressed in the reaction with 1,4-bis (isocyanatomethyl) cyclohexane of the present invention.
- chain extender examples include chain extenders similar to the chain extender in the case of producing the above-described polyurethane resin of the present invention as an aqueous polyurethane resin.
- the dihydric alcohol and the trivalent Examples include low molecular weight polyols such as alcohols, for example, polyamine components such as the above alicyclic diamines and the above aliphatic diamines.
- a polyamine component more preferably an aliphatic diamine is used.
- the above monoamine can be used, and further within the range not impairing the moldability and extensibility of the polyurethane resin, for example, Bis- (4-amino-3-chlorophenyl) methane, diethyltoluenediamine, dimethylthiotoluenediamine, trimethylene-bis (4-aminobenzate), 4,4'-diamino-3,3-diethyl-5,5-dimethyldiphenylmethane An amine compound such as can also be used.
- the polyurethane resin of the present invention can be adjusted to a desired molecular weight by using a polyamine component and a monoamine in combination.
- the polyamine component is preferably ethylenediamine, hydrazine (including hydrate), 1,2-diaminopropane, 1,4-bis (aminomethyl) cyclohexane, 1,4-cyclohexanediamine,
- Preferred examples of the monoamine include di-n-butylamine and diethylamine.
- a combination of diethylamine and ethylenediamine for example, the molar ratio of diethylamine (DEA) and ethylenediamine (EDA) (DEA / EDA) is 0.5 / 99.5 to 20/80) can be mentioned.
- DEA diethylamine
- EDA ethylenediamine
- urea groups (—NH 2 —CO—NH 2 ) are added to hard segments (segments obtained by reaction of a polyisocyanate component and a chain extender) contained in the polyurethane resin. -) Can be included. Therefore, a polyurethane resin excellent in stretchability and extensibility can be obtained.
- the active hydrogen group-containing component for example, the above-described low molecular weight polyol, polythiol component, polyamine component, monool and / or monoamine can be used in combination.
- the above-described one-shot method one-shot method when the polyurethane resin of the present invention is produced as an elastomer
- the above-described prepolymer method the present invention. It is possible to conform to a known polyurethane molding method such as a prepolymer method in the case of producing a polyurethane resin as an elastomer.
- the above components are mixed with the polyisocyanate component and the active hydrogen group-containing component with respect to the active hydrogen groups in the active hydrogen group-containing component.
- the equivalent ratio (NCO / active hydrogen group) is, for example, 0.9 to 1.1, preferably 0.98 to 1.05.
- This reaction is similar to, for example, the above-described bulk polymerization (bulk polymerization in the case where the polyurethane resin of the present invention is produced as an elastomer) and the above-described solution polymerization (solution polymerization in the case where the polyurethane resin of the present invention is produced as an elastomer). It can implement by the method of.
- the above-mentioned components are reacted at 100 to 250 ° C., preferably 130 to 220 ° C., for 0.5 to 12 hours, preferably 1 to 10 hours in a nitrogen atmosphere. .
- the above-described components are reacted in a nitrogen atmosphere at 30 to 100 ° C., preferably 40 to 90 ° C., for 2 to 10 hours, preferably 3 to 8 hours.
- an active hydrogen group-containing component excluding the chain extender for example, a high molecular weight polyol, and a low molecular weight polyol, a polythiol component, a polyamine component, a monool, which is blended as necessary
- the equivalent ratio (NCO / active hydrogen group) of the isocyanate group in the polyisocyanate component to the active hydrogen group in the monoamine is, for example, 1.1 to 5, preferably 1.3 to 3, and more preferably Are mixed and reacted at a ratio of 1.3 to 2.5 to obtain an isocyanate group-terminated prepolymer.
- This reaction is continued, for example, under a nitrogen atmosphere at a reaction temperature of 40 to 130 ° C., preferably 50 to 120 ° C., for a reaction time of 1 to 10 hours, preferably 2 to 6 hours.
- the urethanization catalyst the urethanization catalyst in the case of producing the polyurethane resin of the present invention as an elastomer
- an organic solvent can be added to the reaction as necessary.
- the obtained isocyanate group-terminated prepolymer and chain extender have an equivalent ratio of isocyanate groups in the isocyanate group-terminated prepolymer to active hydrogen groups in the chain extender (NCO / active hydrogen group) of, for example, 0.
- a polyurethane resin is obtained by blending at a ratio of 0.9 to 1.1, preferably 0.98 to 1.05, and causing chain extension reaction.
- an isocyanate group-terminated prepolymer and a chain extender are dissolved in an organic solvent and reacted.
- the polyurethane resin in which the isocyanate group-terminated prepolymer is chain-extended by the chain extender can be obtained as a solution.
- organic solvent examples include the organic solvents described above, preferably N, N′-dimethylacetamide and N, N-dimethylformamide.
- a solvent is added to the isocyanate group-terminated prepolymer to dissolve the isocyanate group-terminated prepolymer, and the prepolymer solution Prepare.
- a chain extender is added to this prepolymer solution to chain extend the isocyanate group-terminated prepolymer.
- an organic solvent is gradually added to the isocyanate group-terminated prepolymer with stirring.
- the organic solvent is added so as to have a ratio of preferably 100 to 900 parts by mass with respect to 100 parts by mass of the isocyanate group-terminated prepolymer. More specifically, it is added so that the concentration of the isocyanate group-terminated prepolymer is, for example, 10 to 50% by mass, preferably 20 to 40% by mass, and more preferably 25 to 35% by mass.
- the temperature of the isocyanate group-terminated prepolymer is lowered in advance so as to be, for example, 50 ° C. or lower, preferably 40 ° C. or lower.
- a chain extender is added to the prepolymer solution so as to have the above ratio.
- the polyamine component is used as a chain extender, it is preferably added at a temperature of 20 ° C. or lower, and after completion of the addition, the reaction is completed, for example, at 25 to 80 ° C. with further stirring.
- the chain extender is preferably added dropwise at 40 to 90 ° C. to complete the reaction in the temperature range.
- the chain extender can also be added as a chain extender solution in a solvent.
- the above urethanization catalyst can be used. In this case, the urethanization catalyst can be used by dissolving in a solvent.
- thermoplastic urethane elastomer TPU
- TPU thermoplastic urethane elastomer
- the high molecular weight polyol include polytetramethylene ether glycol, amorphous polytetramethylene ether glycol having a side chain such as a methyl group, polytrimethylene ether glycol, and polyethylene glycol.
- the number average molecular weight is preferably 600 to 5000, more preferably 800 to 4000, and most preferably about 1000 to 2500.
- the TPU in this application is preferably produced by a prepolymer method, and the isocyanate group equivalent ratio (NCO / active hydrogen group) in the polyisocyanate component is, for example, 1.1 to 5, preferably 1. These are blended and reacted at a ratio of 3 to 4.5, more preferably 1.3 to 4, to obtain an isocyanate group-terminated prepolymer.
- chain extension reaction is performed.
- the low molecular weight glycol at this time, ethylene glycol, 1,3-propanediol, 1,4-butanediol and the like are preferable.
- the hardness (A) is preferably about 70 to 95, and more preferably about 80 to 93.
- 1,4-bis (isocyanatomethyl) cyclohexane according to the present invention and polyethylene glycol having a number average molecular weight of 2000 as a high molecular weight polyol are reacted so that the equivalent ratio (NCO / active hydrogen group) is 4.
- the TPU obtained by reacting the obtained isocyanate group-terminated prepolymer with 1,4-butanediol as a chain extender so that the equivalent ratio (NCO / active hydrogen group) is 1.05 is In addition to moisture permeability, since it tends to be oriented in the uniaxial extension direction, the stress in that direction remarkably increases. Therefore, it can be suitably used for various molding materials such as melt spinning, film, blow molding, etc., which are uniaxially elongated.
- the fibers thus obtained can be mixed with polyester, nylon fibers, etc. to produce a stretchable fabric with good tactile sensation.
- the proportion of the present polyurethane fiber in the fabric is preferably 1 to 60%, more preferably about 2 to 40%.
- the polyurethane resin thus obtained has a number average molecular weight (number average molecular weight by GPC measurement using standard polystyrene as a calibration curve) of, for example, 40,000 to 300,000, preferably 50,000 to 250, 000.
- a sulfonamide group-containing compound having a sulfonamide group is preferably contained depending on the purpose and application.
- the thermal stability of the polyurethane resin of the present invention produced as a polyurethane resin for elastic molding can be improved.
- the polyurethane resin for elastic molding is used, for example, in an elastic molded product that is subjected to heat treatment (for example, drying treatment), for example, elastic fibers such as clothes and socks, the sulfonamide is added to the elastic molding polyurethane resin. If a group-containing compound is contained, elastic fibers and sheets having excellent thermal stability can be obtained.
- sulfonamide group-containing compound examples include compounds containing the above-mentioned sulfonamide group as a stabilizer, such as aromatic sulfonamides and aliphatic sulfonamides.
- sulfonamide group-containing compounds can be used alone or in combination of two or more. Of these, preferred are aromatic sulfonamides, and more preferred are o-toluenesulfonamide, p-toluenesulfonamide, and mixtures thereof.
- the polyurethane resin of the present invention when the polyurethane resin of the present invention is produced as a polyurethane resin for elastic molding, when the polyurethane resin of the present invention contains a sulfonamide group-containing compound, the content of the sulfonamide group-containing compound relative to the polyurethane resin is , On a mass basis, for example, preferably 1 to 10000 ppm, more preferably 10 to 8000 ppm, and particularly preferably 100 to 3000 ppm.
- the sulfonamide group-containing compound is not particularly limited to be contained in the polyurethane resin, and may be blended with, for example, a polyisocyanate component or an active hydrogen group-containing component, or added to the prepolymer solution.
- the polyurethane resin of the present invention is produced as a polyurethane resin for elastic molding
- additives such as plasticizers, antiblocking agents, heat stabilizers, light stabilizers, NOx yellowing inhibitors, A mold release agent, and further, a pigment, a dye, a lubricant, a filler, a hydrolysis inhibitor and the like can be added.
- additives may be added at the time of synthesizing each component, or may be added at the time of mixing / dissolving each component, and may be added after separation / drying of the polyurethane resin.
- heat stabilizers include the above-mentioned antioxidants, polyurethane formed by the reaction of t-butyldiethanolamine and methylene-bis- (4-cyclohexyl isocyanate), and the weight of p-cresol and divinylbenzene. Examples thereof include a mixture with coalescence.
- the above-mentioned NOx yellowing prevention agent can be mentioned.
- the polyurethane resin of the present invention produced as a polyurethane resin for elastic molding in this way, it is possible to suppress a decrease in mechanical strength and residual strain under repeated deformation, and thermal properties, Breaking strength, breaking elongation and strength development can be improved, and yellowing resistance can also be improved.
- the molded article of the present invention is less likely to cause a decrease in mechanical strength and residual strain even under repeated deformation, and is excellent in thermal properties, breaking strength, breaking elongation and strength development, and durability. Excellent yellowing resistance.
- the molded product of the present invention includes various elastic molded products (spandex) that require elastic performance, such as socks, stockings, circular knitting, tricot, swimsuit, ski trousers, work clothes, smoke fire clothes, clothes, golf trousers, Elastic fiber used in various textile products such as orthodontic underwear, wet suits, bras, girdles and gloves, for example, elastic film used for food packaging wraps, etc., and fastening material for preventing leakage of sanitary products such as paper diapers Useful for fastening materials for waterproofing materials, imitating baits, artificial flowers, electrical insulation materials, wiping cloths, copy cleaners, gaskets, etc.
- elastic molded products such as socks, stockings, circular knitting, tricot, swimsuit, ski trousers, work clothes, smoke fire clothes, clothes, golf trousers,
- Elastic fiber used in various textile products such as orthodontic underwear, wet suits, bras, girdles and gloves, for example, elastic film used for food packaging wraps, etc.
- fastening material for preventing leakage of
- the polyurethane resin of the present invention when used as an elastic fiber, it can be produced by a known spinning method such as melt spinning, dry spinning, or wet spinning.
- specific spinning conditions are, for example, a spinning temperature of 160 to 250 ° C., and the spinning speed is adjusted to obtain a fiber of 10 to 100 denier.
- the elastic fiber to be spun is used, for example, in a covering yarn or bare yarn state.
- the polyurethane resin of the present invention when used for an elastic film, it can be prepared by a known method such as a solvent casting method, a T-die casting method, or an inflation method.
- specific film forming conditions are, for example, a die temperature of 160 to 230 ° C., and a winding speed adjusted to obtain a film thickness of 20 to 100 ⁇ m. To do. Further, when creating an elastic sheet, the lip width and winding speed of the die are adjusted. Thereby, a molded product (elastic sheet) having a thickness exceeding 100 ⁇ m can be obtained.
- the polyurethane resin of the present invention is not limited to the above-described elastic molded product, but includes various materials such as nonwoven materials obtained by a method such as a spunbond method or a melt blown molding method, a coating material, an adhesive raw material obtained by a method such as a hot melt method, etc. It can also be used for applications.
- the polyurethane resin of the present invention produced as a polyurethane resin for RIM molding can be obtained by reacting the polyisocyanate component with the active hydrogen group-containing component.
- the polyisocyanate component contains the above 1,4-bis (isocyanatomethyl) cyclohexane and / or the above polyisocyanate composition, preferably the above 1,4-bis (isocyanatomethyl) cyclohexane alone is used.
- Examples of the active hydrogen group-containing component when the polyurethane resin of the present invention is produced as a polyurethane resin for RIM molding include, for example, the above-described polyol component.
- the active hydrogen group-containing component is preferably a high molecular weight polyol, more preferably a polyether polyol.
- the active hydrogen group-containing component for example, the above-described low molecular weight polyol, polythiol component, polyamine component, monool and / or monoamine can be used in combination.
- the polyurethane resin of the present invention When the polyurethane resin of the present invention is produced as a polyurethane resin for RIM molding, the polyurethane resin can be molded with a known reaction injection molding apparatus.
- the known reaction injection molding apparatus includes, for example, a first supply tank (1) for supplying a polyisocyanate component, a second supply tank (2) for supplying an active hydrogen group-containing component,
- the apparatus includes at least a mixing head (3) and a mold (4) for mixing an isocyanate component and an active hydrogen group-containing component and injecting the mixture into a mold.
- the polyisocyanate component is supplied from the first supply tank (1), and the active hydrogen group-containing component is supplied from the second supply tank (2) to the mixing head (3).
- the raw material temperature of the polyisocyanate component is adjusted to 35 to 55 ° C., for example.
- the raw material temperature of the active hydrogen group-containing component is adjusted to 35 to 55 ° C., for example.
- an index (INDEX) representing the molar ratio of the isocyanate group in the polyisocyanate component to the active hydrogen group in the active hydrogen group-containing component as a percentage is, for example, 80 to 120, preferably 95 To 105.
- the polyisocyanate component and the active hydrogen group-containing component are stirred and mixed by the mixing head (3) and injected into the mold (4) at an injection speed of, for example, 200 to 2500 g / sec.
- the mold (4) is previously pressurized with, for example, 10 to 30 MPa (gauge pressure) and heated to, for example, 60 to 80 ° C.
- a release agent such as an aqueous wax emulsion is applied to the molding surface of the mold (4) in order to improve the demolding property of the molded product.
- the polyisocyanate component and the active hydrogen group-containing component are polymerized in the mold (4) for 1 to 3 minutes. Thereafter, the mold (4) is cooled and decompressed to room temperature and normal pressure, and the reaction injection molded product is removed from the mold (4) to obtain a reaction injection molded product.
- the polyurethane resin of the present invention is produced as a polyurethane resin for RIM molding
- a known additive for example, the above-mentioned urethanization catalyst (the polyurethane resin of the present invention is produced as an elastomer, if necessary).
- Urethanization catalyst can be blended at an appropriate ratio.
- These additives are added in advance to the polyisocyanate component and / or the active hydrogen group-containing component. Preferably, it is added to the active hydrogen group-containing component.
- the urethanization catalyst examples include the urethanization catalyst described above, preferably an organometallic compound, and more preferably dibutyltin dineodecanoate.
- the amount of the urethanization catalyst added is, for example, 0.1 to 1.5 parts by mass, preferably 0.3 to 1.0 parts by mass with respect to 100 parts by mass of the active hydrogen group-containing component. .
- the light-resistant stabilizer examples include the above-mentioned light-resistant stabilizer (light-resistant stabilizer in the production of polyurethane foam).
- a benzotriazole type ultraviolet absorber and a hindered amine type ultraviolet absorber are mentioned.
- the light stabilizer is added in an amount of, for example, 0.1 to 1.0 part by weight, preferably 0.3 to 0.7 part by weight with respect to 100 parts by weight of the active hydrogen group-containing component. .
- antioxidant examples include the above-mentioned heat stabilizer (heat stabilizer in the production of polyurethane foam).
- heat stabilizer heat stabilizer in the production of polyurethane foam.
- a hindered phenol stabilizer is used.
- the addition amount of the antioxidant is, for example, 0.1 to 1.0 part by mass, preferably 0.3 to 0.7 part by mass with respect to 100 parts by mass of the active hydrogen group-containing component. .
- multifunctional stabilizer examples include the multifunctional stabilizer described above (multifunctional stabilizer in the production of polyurethane foam).
- a benzotriazolyl-alkylbisphenol compound and the like can be mentioned.
- the amount of the multifunctional stabilizer added is, for example, 0.1 to 1.0 part by weight, preferably 0.3 to 0.7 part by weight with respect to 100 parts by weight of the active hydrogen group-containing component. is there.
- a known additive such as a chain extender, a crosslinking agent, a pigment, a flame retardant, a pigment dispersant (lubricant dispersant) is used depending on the application.
- a foam stabilizer, an antifoaming agent and the like can be blended at an appropriate ratio.
- the polyurethane resin of the present invention obtained as a polyurethane resin for injection molding in this way, it is excellent in demolding from the mold after molding, hardness, thermal properties and tear resistance expression, A reaction injection molded article having excellent weather resistance can be injection molded with high production efficiency.
- reaction injection molded product of the present invention is excellent in hardness, thermal properties, and tear resistance development, and is also excellent in durability and weather resistance.
- the polyurethane resin of the present invention obtained as a polyurethane resin for reaction injection molding and the reaction injection molded product thereof are used in various fields in which reaction injection molding is performed, such as automobile bumpers, dashboards, door trims, instrument panels, and the like.
- Transportation equipment parts stores, offices and other architectural interior parts, general and office furniture, automotive instrument panels, skin layers of transportation equipment interior parts such as door trims, eg golf ball core covers, soccer , Baseball, basket or volleyball covers, vehicle gear knob covers, door seal covers, tail lamp covers, spring covers, console box covers, electric wires, fiber optic cable covers, keyboard covers, audio covers, tennis rackets, etc.
- the molded article is a cover material for a core layer of a golf ball, for example, a lighting panel for a vehicle, a headlight lens, a lamp cover for a headlight and a taillight, an optical element, an optical disk, an optical material such as an organic EL or an LED.
- Electrical decorations such as signboards, optical fibers, glass substitutes, laminated glass interlayers, windshields for aircraft, large tank walls, transparent roofing materials, glazing materials, transparent materials for daily necessities, transparent lenses, eyeglass lenses, camera lenses, Optical and electronic parts such as pickup lenses, contact lenses, sunglasses lenses, polarizing lenses, etc.
- Optical parts and electronic parts automotive parts, machinery / industrial parts, electric wires / cables, rolls, hoses / tubes, belts, films / sheets , Laminate products, elastic paving materials, civil engineering and building materials, Sports, leisure equipment such as basketball, softball, tent, ski boots, shoes-related parts, miscellaneous goods, care supplies, housing supplies, medical care, building materials, civil engineering , Waterproofing / paving materials, foams, slush powder, robot members, elastic clothing, elastic fibers, non-woven fabrics, and rolls involved in the manufacture of paper, steel, printers, copies, liquid crystals, PDPs, organic EL, etc.
- the present invention also includes an eyewear material made of the above polyurethane resin.
- eyewear such as correction glasses, protective glasses, sunglasses, and goggles has a lens and a frame.
- the frame is made of metal materials such as pure titanium, nickel titanium alloy, aluminum, magnesium and gold, synthetic resin materials such as celluloid, acetate and polyamide resin, and natural materials such as tortoiseshell. It is formed from materials.
- eyewear is required to improve mechanical properties (such as mechanical strength) and workability. Therefore, it has been studied to use a polyurethane elastomer excellent in mechanical properties and processability as an eyewear material.
- eyewear materials having excellent mechanical strength and processability, and eyewear frames and lenses obtained using the eyewear materials are demanded.
- the above polyurethane resin thermoplastic polyurethane elastomer (TPU)
- TPU thermoplastic polyurethane elastomer
- an eyewear frame more specifically, an eyewear nose pad (nose pad part), modern (ear pad part)
- Manufacture parts of eyewear frames such as temples (vine parts), rims (lens peripheral parts), bridges (rim connection parts), armories (front end parts), hinges (joints between armor and temples) can do.
- an eyewear frame including the above parts can be integrally formed.
- Such an eyewear frame is manufactured by pelletizing an eyewear material (the above-mentioned thermoplastic polyurethane elastomer (TPU)) and molding it into a desired frame shape by a known molding method such as extrusion molding or injection molding. be able to.
- TPU thermoplastic polyurethane elastomer
- thermoplastic resins can be used together with the above-described eyewear material as necessary.
- thermoplastic resins include, for example, thermoplastic polyamides described in JP-T 2010-534256, for example, blend resins of polyetherimide and polyphenylene ether sulfone described in JP-T 2010-532815, etc. Furthermore, commercially available polymethylpentene resins (trade name TPX series (Mitsui Chemicals) etc.), cyclic olefin copolymers (trade name Appel series (Mitsui Chemicals) etc.), thermoplastic polyimide (trade name Aurum series) (Mitsui Chemicals, etc.)).
- the eyewear material containing the above polyurethane resin and the other thermoplastic resin are simultaneously injection-molded to form an eyewear frame.
- the other thermoplastic resin for example, thermoplastic polyamide
- the blending ratio of the above-mentioned eyewear material with respect to the total amount of the eyewear material and other thermoplastic resin is, for example, It is 20 mass% or more, preferably 50 mass% or more, for example, 90 mass% or less, preferably 70 mass% or less.
- specific eyewear parts can be formed using the above-mentioned eyewear material, and other eyewear parts can be formed using other thermoplastic resins.
- the above-described eyewear material is used for, for example, a nose pad (nose pad part), modern (ear pad part), and other thermoplastic resins (for example, thermoplastic polyamide).
- the eyewear frame can be manufactured from a plurality of resins for use in temples (vine portions), rims (lens peripheral portions) and the like.
- the eyewear frame can be coated with a coating agent such as a polyurethane coating agent from the viewpoint of improving design properties, solvent resistance, and design properties.
- a coating agent such as a polyurethane coating agent from the viewpoint of improving design properties, solvent resistance, and design properties.
- the eyewear material made of the polyurethane resin of the present invention can also be suitably used in eyewear lenses (plastic lenses). More specifically, the eyewear material used for the lens includes the above-described optical polyurethane resin.
- the lens obtained from the above-described optical polyurethane resin is excellent in refractive index, mechanical properties (tensile strength) and durability while having an excellent appearance (transparency).
- Such a lens is attached (fitted) to an eyewear frame to form an eyewear.
- the eyewear frame may be the above-described eyewear frame of the present invention, or may be another known eyewear frame. Preferably, it is attached (fitted) to the above-described eyewear frame of the present invention.
- the above-mentioned lens has a coating layer laminated on one side or both sides as required.
- the coating layer include a primer layer, a hard coat layer, an antireflection film layer, an antifogging coat film layer, a pollution prevention layer, and a water repellent layer. These coating layers can be laminated on the lens as a single layer, or can be laminated on the lens in multiple layers.
- the coating layer when the coating layer is multilayered or when the coating layers are laminated on both surfaces of the lens, the coating layers may be the same or different from each other.
- eyewear frame, lens and eyewear obtained from such eyewear materials contain the above-mentioned polyurethane resin, workability and mechanical strength, as well as optical properties, NOx resistance (light resistance, heat resistance) Excellent).
- the above-described eyewear is a pair of eyeglasses with anti-fogging functions used in correction glasses, protective glasses, sunglasses, goggles, and more specifically in sports eyewear and hot and humid places such as baths and saunas.
- Wear for example, electronic equipment wearing eyewear equipped with a distribution function such as music, images, etc., for example, electronic lens wearing eyewear with a liquid crystal function, Internet function eyewear, pollen prevention eyewear, myopia, It is suitably used for eyewear for hyperopia, presbyopia vision care function, eyewear for preventing cataracts and glaucoma, eyewear containing a fragrance that can be relaxed mentally.
- reaction product was cooled to room temperature, the reaction product slurry was extracted, 3300 parts by mass of water was added thereto, heated to 90 ° C. to dissolve the product, and then filtered to remove the catalyst.
- the reaction mixture was cooled to 150 ° C. and filtered while hot to remove solids.
- the conversion of 1,4-cyclohexanedicarboxylic acid was 100%
- the yield of 1,4-dicyanocyclohexane was 90.2%
- the trans isomer ratio was 52 mol%
- N N
- the concentration of '-dimethylimidazolidinone was 6.9% by mass.
- the recovery rate of 1,4-dicyanocyclohexane was 94.9% with respect to the charged amount, and the trans isomer ratio was 54 mol%.
- the residual 1,4-dicyanocyclohexane concentration in the kettle was 43.4% by mass, and the trans isomer ratio was 38 mol%.
- 1,4-BAC (A) the yield of 1,4-bis (aminomethyl) cyclohexane was 93%, and the trans isomer ratio was 54 mol%.
- Production Example 2 (Preparation of 1,4-BAC (B)) [Isomerization process]
- 1,4-BAC (A) trans isomer ratio 54 mol%) obtained in Production Example 1
- catalyst NE Chemcat Co. 5 mass% ruthenium / alumina
- heptane 100 parts by mass
- the inside of the reactor was replaced with hydrogen
- the total pressure was 5 MPa (gauge pressure) with hydrogen
- 400 rpm stirring The mixture was heated to 210 ° C. and reacted for 3 hours.
- reaction product solution was extracted by cooling to room temperature and filtered to remove the catalyst.
- the obtained filtrate was subjected to vacuum single evaporation to remove heptane as a solvent. Subsequently, the reaction product solution from which the solvent had been removed was added to a four-necked flask equipped with a packed tower (filler: Helipak, the number of theoretical plates: 5), followed by rectification.
- the rectification conditions were a column top pressure of 4 kPa, a column bottom pressure of 5 kPa, a reflux ratio of 4, a column top temperature of 135 to 136 ° C., a column bottom temperature (pot temperature) of 145 to 160 ° C., and the distillation rate with respect to the charged mass was 0% by mass To 87% by mass of 1,4-BAC (B) was collected.
- Production Example 3 (Preparation of 1,4-BAC (C))
- 1,4-BAC (A) trans isomer ratio 54 mol%) obtained in Production Example 1
- catalyst NE Chemcat, 5 mass% ruthenium / alumina
- cyclohexane 100 mass parts of cyclohexane were charged, the reactor was purged with hydrogen, and the total pressure was set to 5 MPa (gauge pressure) with hydrogen. Heated to ° C. and reacted for 2 hours.
- reaction product solution was extracted by cooling to room temperature and filtered to remove the catalyst.
- the obtained filtrate was subjected to vacuum evaporation to remove cyclohexane as a solvent. Subsequently, the reaction product solution from which the solvent had been removed was added to a four-necked flask equipped with a packed tower (filler: Helipak, the number of theoretical plates: 5), followed by rectification.
- the rectification conditions were a column top pressure of 4 kPa, a column bottom pressure of 5 kPa, a reflux ratio of 1, a column top temperature of 135 to 136 ° C., a column bottom temperature (pot temperature) of 145 to 160 ° C., and the distillation rate with respect to the charged mass was 0% by mass To 91% by mass of 1,4 BAC (C) was collected.
- Production Example 4 (Preparation of 1,4-BAC (D)) The reaction was carried out in the same manner as in Production Example 2 except that commercially available 1,4-bis (aminomethyl) cyclohexane (Tokyo Chemicals, trans isomer ratio 40 mol%) was used as a raw material, and cyclohexane was used instead of heptane.
- 1,4-bis (aminomethyl) cyclohexane Tokyo Chemicals, trans isomer ratio 40 mol%
- cyclohexane was used instead of heptane.
- the obtained filtrate was subjected to vacuum evaporation to remove cyclohexane as a solvent. Subsequently, the reaction product solution from which the solvent had been removed was added to a four-necked flask equipped with a packed tower (filler: Helipak, the number of theoretical plates: 5), followed by rectification.
- the rectification conditions were a column top pressure of 4 kPa, a column bottom pressure of 5 kPa, a reflux ratio of 4, a column top temperature of 135 to 136 ° C., a column bottom temperature (pot temperature) of 145 to 160 ° C., and the distillation rate with respect to the charged mass was 0% by mass To 86% by mass, 1,4-BAC (D) was obtained.
- Production Example 5 (Preparation of 1,4-BAC (E)) N.
- the reaction was conducted in the same manner as in Production Example 3, except that 5 mass% ruthenium / alumina manufactured by Degussa was used instead of 5 mass% ruthenium / alumina manufactured by Chemcat.
- the obtained filtrate was subjected to vacuum evaporation to remove cyclohexane as a solvent. Subsequently, the reaction product solution from which the solvent had been removed was added to a four-necked flask equipped with a packed tower (filler: Helipak, the number of theoretical plates: 5), followed by rectification.
- the rectification conditions were a column top pressure of 4 kPa, a column bottom pressure of 5 kPa, a reflux ratio of 1, a column top temperature of 135 to 136 ° C., a column bottom temperature (pot temperature) of 145 to 160 ° C., and the distillation rate with respect to the charged mass was 0% by mass From 1 to 95% by mass, 1,4-BAC (E) was obtained.
- Production Example 6 (Preparation of 1,4-BAC (F)) Except for using 1,4-BAC (A) (trans isomer ratio 54 mol%) obtained in Production Example 1 as a raw material, 0.8 mass part of 5 mass% ruthenium / alumina, and setting the reaction time to 3 hours. The reaction was conducted in the same manner as in Production Example 3.
- the obtained filtrate was subjected to vacuum evaporation to remove cyclohexane as a solvent. Subsequently, the reaction product solution from which the solvent had been removed was added to a four-necked flask equipped with a packed tower (filler: Helipak, the number of theoretical plates: 5), followed by rectification.
- the rectification conditions were a column top pressure of 4 kPa, a column bottom pressure of 5 kPa, a reflux ratio of 1, a column top temperature of 135 to 136 ° C., a column bottom temperature (pot temperature) of 145 to 160 ° C., and the distillation rate with respect to the charged mass was 0% by mass To 84% by mass of 1,4-BAC (F) was collected.
- Production Example 7 (Preparation of 1,4-BAC (G)) The filtrate obtained by the same operation as in Production Example 2 was subjected to vacuum evaporation to remove heptane as a solvent. Subsequently, the reaction product liquid from which the solvent was removed was added to a four-necked flask equipped with a packed tower (filler: helipak, theoretical plate number: 25 plates), and rectification was performed.
- the rectification conditions were a column top pressure of 4 kPa, a column bottom pressure of 5 kPa, a reflux ratio of 8, a column top temperature of 135 to 136 ° C., a column bottom temperature (pot temperature) of 145 to 160 ° C., and a distillation rate of 0% by mass relative to the charged mass. From 1 to 77% by mass, 1,4-BAC (G) was obtained.
- Production Example 8 (Preparation of 1,4-BAC (H)) The filtrate obtained by the same operation as in Production Example 4 was subjected to vacuum simple evaporation to remove cyclohexane as a solvent. Subsequently, the reaction product liquid from which the solvent had been removed was partially added to a four-necked flask equipped with a packed tower (filler: Helipak, theoretical plate number: 25) and rectified.
- the rectification conditions were a column top pressure of 4 kPa, a column bottom pressure of 5 kPa, a reflux ratio of 8, a column top temperature of 135 to 136 ° C., a column bottom temperature (pot temperature) of 145 to 160 ° C., and a distillation rate of 0% by mass relative to the charged mass. From 1 to 77% by mass, 1,4-BAC (H) was obtained.
- reaction product solution was extracted by cooling to room temperature and filtered to remove the catalyst.
- the obtained filtrate was subjected to vacuum evaporation to remove cyclohexane as a solvent. Subsequently, the reaction product solution from which the solvent had been removed was added to a four-necked flask equipped with a packed tower (filler: Helipak, the number of theoretical plates: 5), followed by rectification.
- the rectification conditions were a column top pressure of 4 kPa, a column bottom pressure of 5 kPa, a reflux ratio of 1, a column top temperature of 135 to 136 ° C., a column bottom temperature (pot temperature) of 145 to 160 ° C., and the distillation rate with respect to the charged mass was 0% by mass To 88% by mass, 1,4-BAC (I) was obtained.
- Production Example 10 (Preparation of 1,4-BAC (J)) The filtrate obtained by the same operation as in Production Example 2 was subjected to vacuum simple evaporation to remove heptane as a solvent. Subsequently, the reaction product liquid from which the solvent was removed was added to a four-necked flask equipped with a packed tower (filler: helipak, theoretical plate number: 25 plates), and rectification was performed.
- the rectification conditions were a column top pressure of 4 kPa, a column bottom pressure of 5 kPa, a reflux ratio of 8, a column top temperature of 135 to 136 ° C., a column bottom temperature (pot temperature) of 145 to 160 ° C., and a distillation rate of 0% by mass relative to the charged mass.
- 1,4-BAC (J) was obtained.
- ⁇ Analysis condition 1 (analysis in each production example)> The analysis conditions of the filtrate obtained in the isomerization reaction, the trans isomer ratio in 1,4-BAC, and the 3-azabicyclo [3.2.2] nonane content are shown below.
- Analytical instrument GC-2010 manufactured by Shimadzu Corporation
- Sample introduction part temperature 300 ° C Detector temperature: 300 ° C
- Column temperature pattern held at 130 ° C. for 10 minutes, raised from 130 ° C. to 300 ° C. at 10 ° C./min, held at 300 ° C.
- Example 1 Synthesis of 1,4-bis (isocyanatomethyl) cyclohexane>
- 4-BAC (B) and 700 parts by mass of orthodichlorobenzene were charged and heated to 60 ° C. with stirring at 300 rpm. Thereafter, hydrochloric acid gas was introduced at a rate of 1.0 mol / hr (vs. 1,4-BAC) and 3.0 mol times the amount of 1,4-BAC.
- Cold water was passed through the reactor jacket to maintain the internal temperature at 60-100 ° C.
- 1,4-bis (isocyanatomethyl) cyclohexane distilled off was charged into a reactor equipped with a stirrer, a thermometer, a reflux pipe, and a nitrogen introduction pipe, and nitrogen was constantly introduced while introducing nitrogen. Under pressure, heat treatment was performed at 190 ° C. for 4 hours.
- 1,4-bis (isocyanatomethyl) cyclohexane after the heat treatment was charged into a flask equipped with a packed tower (filler: Helipak, theoretical plate number: 10 plates) and rectified.
- the rectification conditions were a tower top pressure of 0.3 to 1.3 kPa, a reflux ratio of 1, a tower top temperature of 120 to 145 ° C., a tower bottom temperature (pot temperature) of 160 to 170 ° C., and a tower bottom residence time of 4 hours.
- a fraction having a distillation rate of 10% by mass to 95% by mass was collected to obtain 1,4-BIC (A).
- the purity of the obtained 1,4-BIC (A) as measured by gas chromatography was 99.8%, the trans isomer ratio was 82 mol%, and the concentration of the compound represented by the above formula (1) was 15 ppm.
- the analysis conditions will be described later (the same applies hereinafter).
- Example 2 Synthesis of 1,4-BIC (B)
- Example 1 except that 1,4-BAC (C) prepared in Production Example 3 was used instead of 1,4-BAC (B), and the heat treatment before rectification was performed at 190 ° C. for 8 hours.
- 1,4-BIC (B) was obtained by the same method.
- the purity of the obtained 1,4-BIC (B) as measured by gas chromatography was 99.8%
- the trans isomer ratio was 82 mol%
- concentration of the compound represented by the above formula (1) was 0.19 ppm. .
- Example 3 (Synthesis of 1,4-BIC (C)) Example 1, except that 1,4-BAC (D) prepared in Production Example 4 was used instead of 1,4-BAC (B), and the heat treatment before rectification was performed at 190 ° C. for 2 hours.
- 1,4-BIC (C) was obtained by the same method. The purity of the obtained 1,4-BIC (C) as measured by gas chromatography was 99.7%, the trans isomer ratio was 82 mol%, and the concentration of the compound represented by the above formula (1) was 270 ppm.
- Example 4 Synthesis of 1,4-BIC (D)
- 1,4-BIC (D) was prepared in the same manner as in Example 1, except that 1,4-BAC (E) prepared in Production Example 5 was used instead of 1,4-BAC (B). Obtained.
- the purity of the obtained 1,4-BIC (D) as measured by gas chromatography was 99.8%
- the trans isomer ratio was 72 mol%
- the concentration of the compound represented by the above formula (1) was 12 ppm.
- Example 5 Synthesis of 1,4-BIC (E)
- 1,4-BIC (E) was obtained in the same manner as in Example 4 except that the heat treatment before rectification was carried out at 190 ° C. for 8 hours.
- the purity of the obtained 1,4-BIC (E) as measured by gas chromatography was 99.8%
- the trans isomer ratio was 72 mol%
- the concentration of the compound represented by the above formula (1) was 0.15 ppm. .
- Example 6 Synthesis of 1,4-BIC (F)
- Example 1 Example 1, except that 1,4-BAC (F) prepared in Production Example 6 was used instead of 1,4-BAC (E) and the heat treatment before rectification was performed at 190 ° C. for 2 hours.
- 1,4-BIC (F) was obtained by the same method.
- the purity of the obtained 1,4-BIC (F) as measured by gas chromatography was 99.7%
- the trans isomer ratio was 72 mol%
- concentration of the compound represented by the above formula (1) was 250 ppm.
- Example 7 Synthesis of 1,4-BIC (G)
- 1,4-BIC (G) was prepared in the same manner as in Example 1 except that 1,4-BAC (G) prepared in Production Example 7 was used instead of 1,4-BAC (B). Obtained.
- the purity of the obtained 1,4-BIC (G) as measured by gas chromatography was 99.7%, the trans isomer ratio was 93 mol%, and the concentration of the compound represented by the above formula (1) was 20 ppm.
- Example 8 Synthesis of 1,4-BIC (H)
- 1,4-BIC (H) 1,4-BIC (H) was obtained in the same manner as in Example 7 except that the heat treatment before rectification was carried out at 190 ° C. for 8 hours.
- the purity of the obtained 1,4-BIC (H) as measured by gas chromatography was 99.7%
- the trans isomer ratio was 93 mol%
- the concentration of the compound represented by the above formula (1) was 0.22 ppm. .
- Example 9 (Synthesis of 1,4-BIC (I)) Example 1, except that 1,4-BAC (H) prepared in Production Example 8 was used instead of 1,4-BAC (G), and the heat treatment before rectification was performed at 190 ° C. for 3 hours. 1,4-BIC (I) was obtained by the same method. The purity of the obtained 1,4-BIC (I) as determined by gas chromatography was 99.7%, the trans isomer ratio was 93 mol%, and the concentration of the compound represented by the above formula (1) was 285 ppm.
- ⁇ Analysis condition 2 (identification of the compound represented by the above formula (1))> From the CI mass spectrum, FD mass spectrum, NMR spectrum, and NMR two-dimensional measurement (Hetero-nuclear Multiple-Bond Connectivity: HMBC) of the following GC-MS analysis, the substances contained in 1,4-BIC are as described above. It was identified as a compound represented by the formula (1).
- Preparation Example 1 (Preparation of hydrochloride of compound (3-azabicyclo [3.2.2] nonane) represented by formula (2)) 900 parts by mass of 1,4-BAC (F) prepared in Production Example 6 (content of 3-azabicyclo [3.2.2] nonane 1.31% by mass) and 2700 parts by mass of 1-octanol were added to a packed column ( After charging in a four-necked flask equipped with a filler: Helipak, theoretical plate number: 2), rectification was performed.
- the rectification conditions were a column top pressure of 4 to 5 torr, a column top temperature of 75 to 100 ° C., a column bottom temperature (pot temperature) of 95 to 105 ° C. Fractions were collected.
- Extraction was performed in 5 portions using 550 parts by mass of a 1 mol% hydrochloric acid aqueous solution with respect to 800 parts by mass of the obtained fraction, and then water was extracted from the aqueous phase at a jacket temperature of 90 ° C. and a degree of vacuum of 80 torr. Removed by evaporation.
- Preparation Example 2 (Preparation of compound represented by formula (1) (3-azabicyclo [3.2.2] nonane carbamoyl chloride)) 3.17 parts by mass of 3-azabicyclo [3.2.2] nonane hydrochloride (hydrochloride of the compound of formula (2)) obtained in Preparation Example 1 and 100 parts by mass of toluene were mixed with a stirrer and a thermometer.
- the flask was equipped with a phosgene gas introduction tube, a nitrogen gas introduction tube, and a gas exhaust tube.
- the appearance of the obtained compound was a white solid.
- NMR measuring device ECX-400P (400 MHz) manufactured by JEOL Ltd.
- Sample concentration 25mg / 0.6mL
- Sample solvent CDCl 3 Scan: 16 times
- NMR measuring device ECX-400P (400 MHz) manufactured by JEOL Ltd.
- 1,4-BIC was identified as a compound having the structure of the above formula (1).
- ⁇ Analysis condition 3 (purity of 1,4-BIC and analysis of compound represented by the above formula (1))> From the area value of the gas chromatogram obtained under the following gas chromatographic analysis conditions, the purity (%) of 1,4-BIC and the concentration (ppm) of the compound represented by the above formula (1) were calculated.
- Detector temperature 280 ° C Carrier gas; helium gas (1.0ml / min) Ionization mode; Cl (reagent gas isobutane) Detection method; FID ⁇ Analysis condition 4 (analysis of trans-isomer ratio of 1,4-BIC)> The trans isomer ratio (mol%) in 1,4-BIC was calculated from the area value of the gas chromatogram obtained under the following gas chromatographic analysis conditions. Apparatus: 7890A manufactured by Agilent Technologies Column; Agilent DB-17MS Oven temperature: held at 40 ° C. for 4 minutes, heated from 40 ° C. to 250 ° C. at 10 ° C./min, held at 250 ° C.
- inlet temperature 300 ° C.
- Detector temperature 300 ° C Carrier gas; retention time of helium transformer-1,4-BIC; 20.18 min Retention time of cis-1,4-BIC; 20.308 min Detection method;
- FID Physical property evaluation> Storage Stability Test A certain amount of 1,4-BIC was weighed into a glass sample bottle, and nitrogen was sealed. Subsequently, after storing in a 50 degreeC thermostat for 3 months, the external appearance was observed visually.
- the evaluation criteria are as follows.
- Table 2 shows the heat treatment conditions, rectification conditions, and the results.
- prepolymer (a1) 252.5 parts by mass of UH-100 (polycarbonate diol having a number average molecular weight of 1000, manufactured by Ube Industries) and 494.8 parts by mass of ETERRNACOLL UH-200 (polycarbonate diol having a number average molecular weight of 2000, manufactured by Ube Industries) Then, the reaction was carried out under a nitrogen atmosphere at 80 ° C. until the isocyanate group content became 5.70% by mass to obtain an isocyanate group-terminated polyurethane prepolymer (a1) (hereinafter abbreviated as prepolymer (a1)).
- polyurethane elastomer (A1) 900 parts by mass of prepolymer (a1) adjusted to 80 ° C in advance, 2.66 parts by mass of Irganox 245 (heat-resistant stabilizer manufactured by BASF), Tinuvin 234 (UV absorber manufactured by BASF) 2.22 parts by mass, Adeka Stab LA-72 (HALS manufactured by ADEKA) 1.33 parts by mass, and tin octylate (catalyst, trade name: Stanocto, manufactured by API Corporation) in advance by diisononyl adipate (J.J.
- reaction mixture was poured into a SUS pad whose temperature was adjusted to 150 ° C. in advance and reacted at 150 ° C. for 1 hour and then at 100 ° C. for 23 hours to obtain a polyurethane elastomer (A1).
- the polyurethane elastomer (A1) was removed from the vat and cured under constant temperature and humidity conditions of room temperature 23 ° C. and relative humidity 55% for 7 days.
- the obtained polyurethane elastomer (A1) was cut into a dice with a bale cutter, and the dice resin was pulverized with a pulverizer.
- the pulverized pellets were dried overnight at 80 ° C. under a nitrogen stream.
- a single screw extruder model: SZW40-28MG, manufactured by Technobel
- the strand was extruded at a cylinder temperature in the range of 150 to 245 ° C. and cut to obtain polyurethane elastomer (A1) pellets.
- the obtained pellets were further dried overnight at 80 ° C. under a nitrogen stream.
- ⁇ Heat-resistant NOx yellowing test> The test piece of polyurethane elastomer was left in a 90 ° C. hot-air circulating oven for 1000 hours. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually.
- PTG2000SN polytetramethylene ether glycol having a number average molecular weight of 2000, manufactured by Hodogaya Chemical Co., Ltd. 505.4 parts by mass, stirred in a nitrogen atmosphere at 80 ° C. for 1 hour, and dibutyltin dilaurate was previously added to diisononyl adipate (Jay -0.076 parts by mass of the solution diluted to 4% by mass by Plus) was charged. Subsequently, the reaction was continued at 80 ° C. until the isocyanate group content reached 3.8% by mass to obtain an isocyanate group-terminated polyurethane prepolymer (a2) (hereinafter abbreviated as prepolymer (a2)).
- prepolymer (a2) isocyanate group-terminated polyurethane prepolymer
- polyurethane elastomer 200 parts by mass of prepolymer (a2) previously adjusted to 80 ° C, 1.24 parts by mass of Irganox 245 (heat-resistant stabilizer manufactured by BASF), Tinuvin 234 (ultraviolet absorber manufactured by BASF) 1.03 parts by mass, Adeka Stab LA-72 (HALS manufactured by ADEKA) 0.62 parts by mass, and a solution in which dibutyltin dilaurate (DBTDL) was previously diluted to 4% by mass with diisononyl adipate (manufactured by Jay Plus) 0 0.050 part by mass was placed in a stainless steel container and mixed with stirring using a three-one motor (trade name: HEIDON FBL3000, manufactured by Shinto Kagaku Co., Ltd.) under stirring at 600 rpm for about 1 minute.
- DBTDL dibutyltin dilaurate
- TMP trimethylolpropane
- 1,4-butanediol (1,4-BD) 1,4-butanediol
- Wako Pure Chemical Industries, Ltd. 7.97 parts by mass of a chain extender mixture prepared by dissolving and mixing at 60 ° C. was added. Further, the mixture was sufficiently stirred for about 2 minutes until it became uniform, and then vacuum degassing was immediately performed to remove bubbles in the mixed solution.
- a mold release agent (trade name: Milax RS-102, manufactured by Miyoshi Oil & Fats Co., Ltd.) in advance, and pour the mixture while paying attention to prevent bubbles from entering the sheet and button mold temperature-controlled at 100 ° C.
- the reaction was carried out at ° C for 22 hours. Thereafter, the polyurethane elastomer was removed from the mold, and the hardness was measured after 4 hours under a constant temperature and humidity condition of a room temperature of 23 ° C. and a relative humidity of 50%. After further curing for 7 days, it was used for measurement of physical properties.
- ⁇ Heat-resistant NOx yellowing test> The test piece of polyurethane elastomer was left in a 90 ° C. hot-air circulating oven for 1000 hours. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually.
- the mixed homogeneous liquid was degassed for 1 hour, filtered through a 1 ⁇ m PTFE (polytetrafluoroethylene) filter, and poured into a mold for an optical member composed of a 4D glass mold and a tape.
- PTFE polytetrafluoroethylene
- the mold was put into an oven and polymerized by gradually raising the temperature from 25 ° C. to 120 ° C. over 20 hours. After completion of the polymerization, the mold was taken out from the oven and released. Furthermore, annealing was performed at 120 ° C. for 3 hours to obtain an optical polyurethane resin A3.
- ⁇ Heat-resistant NOx yellowing test> A test piece of optical polyurethane resin was left in a hot air circulation oven at 90 ° C. for 1000 hours. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually.
- Example 28 A 4-necked flask equipped with a stirrer, a thermometer, a reflux pipe, and a nitrogen introduction pipe was subjected to ETERNACOLL UH that had been subjected to dehydration treatment in advance at 38.6 parts by mass of the polyoxyethylene side chain-containing diol synthesized in Synthesis Example 1.
- this reaction solution was cooled to 50 ° C., and 134.7 parts by mass of acetone was charged. Further, after cooling to 30 ° C., 742.63 parts by mass of ion exchange water was gradually added to disperse the isocyanate group-terminated prepolymer in water. Subsequently, chain elongation was performed with 31.87 parts by mass of a 20% by mass hexamethylenediamine aqueous solution, and acetone was distilled off to obtain an aqueous dispersion of an aqueous polyurethane resin A4 having a solid content of 34.6% by mass.
- aqueous polyurethane resin was poured onto a polypropylene substrate so that the film thickness after drying was 200 ⁇ m, and water was dried at room temperature over 24 hours. Subsequently, heating was performed at 110 ° C. for 1 hour to completely volatilize moisture. After cooling to room temperature, the film was peeled from the substrate to obtain an aqueous polyurethane film.
- ⁇ Tensile test of aqueous polyurethane film> A tensile test was performed using a tensile tester (manufactured by Intesco, model: 205 type) installed in a laboratory room at 23 ° C. and 55% relative humidity. More specifically, a test piece punched with a JIS No. 4 dumbbell was subjected to a tensile test under the conditions of a distance between chucks of 20 mm and a tensile speed of 300 mm / min. Thereby, the breaking strength (unit: MPa) and elongation (unit:%) of the polyurethane film were measured.
- ⁇ Heat-resistant NOx yellowing test> The specimen of the polyurethane film was allowed to stand for 1000 hours in a hot air circulation oven at 90 ° C. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually.
- an isocyanate group-terminated urethane prepolymer (a5) was obtained by reacting until the isocyanate group concentration reached 8.09% by mass.
- the DMF solution of the isocyanate group-terminated urethane prepolymer (a2) was again heated to 80 ° C. or lower.
- 27.43 parts by mass of ethylene glycol (EG) (special grade manufactured by Wako Pure Chemical Industries) diluted to 40% by mass with DMF and 0.38% by mass of DBTDL solution diluted to 10% by mass with DMF were charged.
- EG ethylene glycol
- DBTDL solution diluted to 10% by mass with DMF
- Irganox 245 BASF heat resistance stabilizer
- Tinuvin 234 BASF HALS
- DMF DMF at 10% by mass
- Parts (solid content 0.51 parts by mass) and Adeka Stub LA-72 manufactured by ADEKA, UV absorber 3.0 parts by mass (solid content 0.30 parts by mass) were charged with a polyurethane resin solution (A5).
- the solid content concentration of the polyurethane resin was 20% by mass.
- Examples 35 to 39 and Comparative Examples 32 to 36 A polyurethane resin solution (B5 to T5) was synthesized in the same manner as in Example 34 according to the formulation shown in Table 7.
- ⁇ Tensile test of polyurethane film> A tensile test was performed using a tensile tester (manufactured by Intesco, model: 205 type) installed in a laboratory room at 23 ° C. and 55% relative humidity. More specifically, a film test piece having a thickness of 60 mm in the tensile direction and a width of 10 mm was subjected to a tensile test under the conditions of a distance between chucks of 30 mm and a tensile speed of 300 mm / min. Thereby, the breaking strength (unit: MPa) and elongation (unit:%) of the polyurethane film were measured.
- MPa breaking strength
- elongation unit:%
- ⁇ Heat-resistant NOx yellowing test> The specimen of the polyurethane film was allowed to stand for 1000 hours in a hot air circulation oven at 90 ° C. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually.
- the resulting polyisocyanate composition (A6) had an isocyanate group concentration of 11.2%, a viscosity of 2300 mPa ⁇ s (25 ° C.), and a solid content concentration of 75.2%.
- Acrylic polyol (Olestar Q666, Mitsui Chemicals, hydroxyl value: 60 mgKOH / g) 341.3 parts by mass, Irganox 245 (BASF heat resistance stabilizer) 1.47 parts, Tinuvin 234 (BASF) 1.23 parts by mass of UV absorber) and 0.74 parts by mass of ADK STAB LA-72 (HALS manufactured by ADEKA) were mixed and dissolved.
- Example 40 150 parts by mass of the polyisocyanate composition (A6) obtained in Example 40 was blended, and 300 ppm of dibutyltin dilaurate was added to the solid content of the polyisocyanate composition (A6) as a catalyst. Furthermore, butyl acetate was added so that the solid content of the acrylic polyol and the polyisocyanate composition (A6) was 50% by mass, and the mixture was stirred at 23 ° C. for 180 seconds.
- this mixed solution was applied to a glass substrate for hardness measurement, a polycarbonate substrate for adhesion measurement, and a polypropylene substrate for tensile property measurement, and then heated and cured at 120 ° C. for 3 minutes. Furthermore, it heated at 40 degreeC for 48 hours, and obtained the coating film (A7) of the polyurethane resin whose thickness of a coating layer is about 40 micrometers.
- Example 52 A cold two-stage phosgenation method was carried out under pressure using 1,5-diaminopentane as a raw material.
- the internal liquid of the reactor was pressurized to 0.25 MPa while raising the temperature to 160 ° C. over 60 minutes, and further heat phosgenated at a pressure of 0.25 MPa and a reaction temperature of 160 ° C. for 90 minutes. Moreover, 1100 mass parts of phosgene was added in the middle of thermal phosgenation. During the thermal phosgenation, the liquid in the pressurized reactor became a light brown clear solution. After the completion of the hot phosgenation, nitrogen gas was passed at 100-140 ° C. at 100 L / hour for degassing.
- 1,5-pentamethylene diisocyanate (hereinafter abbreviated as 1,5-PDI) was also distilled off under reduced pressure.
- the distilled 1,5-PDI was then charged into a four-necked flask equipped with a stirrer, a thermometer, a reflux tube, and a nitrogen introduction tube. Heat treatment was performed at 3 ° C for 3 hours.
- 1,5-PDI after the heat treatment was charged into a glass flask, and a distillation tube filled with 4 elements of a packing (manufactured by Sumitomo Heavy Industries, Ltd., trade name: Sumitomo / Sulzer Lab Packing EX type), Using a distillation tower equipped with a reflux ratio adjusting timer (manufactured by Shibata Kagaku Co., Ltd., trade name: distillation head K type) and a rectifier equipped with a cooler, conditions of 127 to 132 ° C. and 2.7 KPa, Further, rectification was performed while refluxing to obtain 480 parts by mass of 1,5-PDI.
- a distillation tower equipped with a reflux ratio adjusting timer manufactured by Shibata Kagaku Co., Ltd., trade name: distillation head K type
- rectification was performed while refluxing to obtain 480 parts by mass of 1,5-PDI.
- the purity of the obtained 1,5-PDI as measured by gas chromatography was 99.9%.
- Example 40 Thereafter, the polyisocyanate composition (1,5-PDI / TMP adduct) obtained and the polyisocyanate composition (A6) obtained in Example 40 were used according to the formulation shown in Table 8. In the same manner as in Example 46, a polyurethane resin coating film (U8) was obtained.
- 5B indicates that the coating film is peeled off at 0%
- 3B indicates that the coating film is peeled off at 5 to 15%
- 1B indicates that the coating film is peeled off.
- the ratio is 35 to 65%.
- ⁇ Tensile properties> The coating film was peeled off from the polypropylene substrate, and the obtained coating film was punched out with a dumbbell into a size of 1 cm in width and 10 cm in length to obtain a test sample. Next, this test sample was subjected to a tensile test using a tensile / compression tester (Model 205N, manufactured by Intesco) under the conditions of 23 ° C., a tensile speed of 5 mm / min, and a distance between chucks of 50 mm. This measured the breaking strength (unit: MPa) and elongation (unit:%) of the coating film.
- a tensile / compression tester Model 205N, manufactured by Intesco
- ⁇ Heat-resistant NOx yellowing test> The test piece of the coating film peeled from the polypropylene substrate was left in a 90 ° C. hot air circulation oven for 1000 hours. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually.
- TMP Trimethylolpropane (Wako Pure Chemical Industries) ⁇ Preparation and evaluation of polyurethane foam>
- Example 53 According to the formulation of Table 9, EP-950P (polyether polyol, Mitsui Chemicals), triethanolamine (TEOA) (Mitsui Chemicals), diethanolamine (DEOA) (Mitsui Chemicals), ion-exchanged water, 33LV (Amine catalyst, manufactured by Air Products), Niax A1 (Amine catalyst, manufactured by Momentive Performance Materials), UL-28 (Amine catalyst, manufactured by Momentive Performance Materials), stannoct (tin octylate, API) Corporation), Y10366 (silicone foam, Momentive Performance Materials) Tinuvin 765 (BASF HALS), and JP-308; Tris (2-ethylhexyl) phosphite (Johoku Chemical) Weigh them By stirring and mixing until it is to prepare a resin premix.
- the formulation of Table 9 EP-950P (polyether
- Examples 54 to 58 and Comparative Examples 47 to 51 According to the formulation shown in Table 9, polyurethane foams (B8 to T8) were prepared in the same manner as in Example 53. In Examples 54 to 58 and Comparative Examples 47 to 50, foams could be obtained. On the other hand, in Comparative Example 51, the cell collapsed during foaming, and a foam could not be obtained.
- ⁇ Heat-resistant NOx yellowing test> The test piece of polyurethane foam was allowed to stand in a hot air circulation oven at 80 ° C. for 1000 hours. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually.
- PEG2000U polyethylene glycol having a number average molecular weight of 2000, manufactured by NOF Corporation
- PEG2000U polyethylene glycol having a number average molecular weight of 2000, manufactured by NOF Corporation
- 0.015 parts by mass of a solution obtained by diluting bismuth octylate (catalyst, trade name: Neostan U-600, manufactured by Nitto Kasei Co., Ltd.) to 4% by mass with DINA (manufactured by Jay Plus Co.) was added, and the isocyanate group content was increased. It was made to react until it became 5.23 mass%, and the isocyanate group terminal polyurethane prepolymer (a9) (henceforth abbreviated as prepolymer (a9)) was obtained.
- polyurethane elastomer (A9) 100 parts by mass of prepolymer (a9) previously adjusted to 80 ° C., 1.06 parts by mass of GA-80 (heat-resistant stabilizer manufactured by Sumitomo Chemical Co., Ltd.), Tinuvin 234 (UV absorber manufactured by BASF) 0.32 parts by mass and Adeka Stub LA-72 (HALS manufactured by ADEKA Co., Ltd.) (0.32 parts by mass) were placed in a stainless steel container and stirred and mixed for about 2 minutes using a high-speed disperser at 1000 rpm. Next, 5.34 parts by mass of 1,4-BD preliminarily adjusted to 80 ° C.
- GA-80 heat-resistant stabilizer manufactured by Sumitomo Chemical Co., Ltd.
- Tinuvin 234 UV absorber manufactured by BASF
- Adeka Stub LA-72 HALS manufactured by ADEKA Co., Ltd.
- bismuth octylate (catalyst, trade name: Neostan U-600, manufactured by Nitto Kasei Co., Ltd.), DINA (manufactured by J. Plus) ) was added to 0.013 parts by mass of the solution diluted to 4% by mass, and the mixture was stirred and mixed for about 10 minutes under stirring at 1000 rpm using a high-speed disper.
- reaction mixture was poured into a SUS pad whose temperature was adjusted to 150 ° C. in advance and reacted at 150 ° C. for 1 hour and then at 100 ° C. for 23 hours to obtain a polyurethane elastomer (A9).
- the polyurethane elastomer (A9) was removed from the vat and cured under constant temperature and humidity conditions of room temperature 23 ° C. and relative humidity 55% for 7 days.
- the obtained polyurethane elastomer (A9) was cut into a dice with a bale cutter, and the dice resin was pulverized with a pulverizer.
- the pulverized pellets were dried overnight at 80 ° C. under a nitrogen stream.
- a strand was extruded using a single-screw extruder (model: SZW40-28MG, manufactured by Technobel) at a cylinder temperature in the range of 150 to 245 ° C., and cut to obtain polyurethane elastomer (A9) pellets.
- the obtained pellets were further dried overnight at 80 ° C. under a nitrogen stream.
- the polyurethane elastomer (A9) pellets were dried at 80 ° C. for 15 hours under reduced pressure.
- a capillary rheometer (CAPIROGRAPH 1C, manufactured by Toyo Seiki Co., Ltd.)
- the dried pellets were filled into a barrel (inner diameter: 9.55 mm), melted by preheating at 220 ° C. for 3 minutes, and then 5 mm / min. Extruded at piston speed.
- the molten resin extruded from the nozzle at the tip of the barrel was wound up by rotating a 90 mm diameter roll at 700 rpm using a filament winder (manufactured by Imoto Seisakusho).
- thermosetting polyurethane urea Example 65
- 1,4-BIC (A) and a polytetramethylene ether glycol having a number average molecular weight of 1000 (trade name: PolyTHF 1000S, BASF Japan Co., Ltd.) 331.3 parts by mass, number average molecular weight 2000 polytetramethylene ether glycol (trade name: PolyTHF 2000S, manufactured by BASF Japan Ltd.) 244.8 parts by mass, Irganox 245 (BASF Co., Ltd.
- BYK088 an antifoaming agent manufactured by Big Chemie Japan Co., Ltd.
- stirring was continued for 10 minutes.
- defoaming operation was performed under vacuum and the isocyanate group terminal prepolymer was obtained.
- the isocyanate group-terminated prepolymer heated to 60 ° C. and the low molecular weight active hydrogen group-containing component (amine curing agent) at room temperature are individually separated into one static using two small precision gear pumps.
- the flow rate of the two liquids was in accordance with the formulation shown in Table 11.
- tip part of a static mixer was poured into the 2 mm thickness metal mold
- A10 thermosetting polyurethane urea resin
- thermosetting polyurethane urea resin sheet (B10 to T10) was obtained in the same manner as in Example 65 according to the formulation shown in Table 11.
- thermosetting polyurethane urea was placed on an SUS mirror plate for 1000 hours in a hot air circulation oven at 80 ° C. and allowed to stand. After completion of the test, after curing for 2 days in a thermostatic chamber at 23 ° C. and 50% RH, the test piece was removed from the mirror plate. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually.
- PEG2000U polyethylene glycol having a number average molecular weight of 2000, manufactured by NOF Corporation
- prepolymer (a11) 0.16 parts by mass of a solution obtained by diluting ⁇ 600, manufactured by Nitto Kasei Co., Ltd.) to 4% by mass with DINA (manufactured by J. Plus). Subsequently, the reaction was continued at 80 ° C. until the isocyanate group content became 7.7% by mass to obtain an isocyanate group-terminated polyurethane prepolymer (a11) (hereinafter abbreviated as prepolymer (a11)).
- polyurethane elastomer (A11) 900 parts by mass of prepolymer (a11) previously adjusted to 80 ° C., Irganox 245 (heat-resistant stabilizer manufactured by BASF) 9.92 parts by mass, Tinuvin 234 (UV absorber manufactured by BASF) 2.95 parts by mass and 2.95 parts by mass of ADK STAB LA-72 (HALS manufactured by ADEKA) were placed in a stainless steel container, and the mixture was stirred and mixed for about 2 minutes under stirring at 1000 rpm using a high-speed disper. Next, 71.72 parts by mass of 1,4-BD previously adjusted to 80 ° C. was added as a chain extender, and the mixture was stirred and mixed for about 10 minutes under stirring at 1000 rpm using a high-speed disper.
- Irganox 245 heat-resistant stabilizer manufactured by BASF
- Tinuvin 234 UV absorber manufactured by BASF
- ADK STAB LA-72 HALS manufactured by ADEKA
- reaction mixture was poured into a SUS pad temperature-controlled at 150 ° C. in advance and reacted at 150 ° C. for 1 hour and then at 100 ° C. for 23 hours to obtain a polyurethane elastomer (A11).
- the polyurethane elastomer (A11) was removed from the vat and cured under constant temperature and humidity conditions of room temperature 23 ° C. and relative humidity 55% for 7 days.
- the obtained polyurethane elastomer (A11) was cut into a dice with a bale cutter, and the dice resin was pulverized with a pulverizer.
- the pulverized pellets were dried overnight at 80 ° C. under a nitrogen stream.
- a single screw extruder model: SZW40-28MG, manufactured by Technobel
- the strand was extruded at a cylinder temperature in the range of 150 to 245 ° C. and cut to obtain polyurethane elastomer (A11) pellets.
- the obtained pellets were further dried overnight at 80 ° C. under a nitrogen stream.
- a film having a thickness of 20 ⁇ m was formed from the obtained pellets with a single-screw extruder equipped with a T die at a screw rotation speed of 20 rpm and a cylinder temperature of 200 to 250 ° C.
- the obtained film (thickness 20 ⁇ m) was cured for 7 days under constant temperature and humidity conditions of room temperature 23 ° C. and relative humidity 50%.
- prepolymer (a12) an isocyanate group-terminated polyurethane prepolymer (a12) (hereinafter abbreviated as prepolymer (a12)).
- Preparation of polyurethane elastomer (A12) Prepolymer (a12) previously adjusted to 80 ° C. 835.7 parts by mass, Irganox 245 (BASF heat resistance stabilizer) 2.98 parts by mass, Tinuvin 234 (BASF UV absorption) Agent) 2.48 parts by mass and 1.49 parts by mass of ADK STAB LA-72 (HALS manufactured by ADEKA) were placed in a stainless steel container, and the mixture was stirred and mixed for about 2 minutes under stirring at 1000 rpm using a high-speed disper. Next, 157.3 parts by mass of 1,4-BD previously adjusted to 80 ° C. was added as a chain extender, and the mixture was stirred and mixed for about 10 minutes under stirring at 1000 rpm using a high-speed disper.
- Irganox 245 BASF heat resistance stabilizer
- Tinuvin 234 BASF UV absorption
- ADK STAB LA-72 HALS manufactured by ADEKA
- reaction mixture was poured into a SUS pad whose temperature was adjusted to 120 ° C. in advance and reacted at 120 ° C. for 24 hours to obtain a polyurethane elastomer (A12).
- the polyurethane elastomer (A12) was removed from the vat and cured under constant temperature and humidity conditions of room temperature 23 ° C. and relative humidity 55% for 7 days.
- the obtained polyurethane elastomer (A12) was cut into a dice with a bale cutter, and the dice resin was pulverized with a pulverizer.
- the pulverized pellets were dried overnight at 80 ° C. under a nitrogen stream.
- a strand was extruded using a single-screw extruder (model: SZW40-28MG, manufactured by Technobel) at a cylinder temperature in the range of 150 to 245 ° C. and cut to obtain polyurethane elastomer (A12) pellets.
- the obtained pellets were further dried overnight at 80 ° C. under a nitrogen stream.
- ⁇ Heat-resistant NOx yellowing test> The test piece of polyurethane elastomer was left in a 90 ° C. hot-air circulating oven for 1000 hours. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually.
- NBDI Norbornane diisocyanate
- Product name Cosmonate NBDI (Mitsui Chemicals)
- PTG1000 polytetramethylene ether glycol having a number average molecular weight of 1000 (manufactured by Hodogaya Chemical Co., Ltd.) PTG2000SN; polytetramethylene ether glycol having a number average molecular weight of 2000 (manufactured by Hodogaya Chemical Co., Ltd.) PCL210; number average molecular weight 1000 polycaprolactone diol, trade name: Plaxel 210 (manufactured by Daicel)
- UH-200D polycarbonate diol having a number average molecular weight of 2000, trade name: ETERRNACOLL UH-200D (manufactured by Ube Industries) 1,4-BD; 1,4-butanediol (manufactured by Wako Pure Chemical Industries) 1,3-PD;
- Preparation of polyurethane (A16) Prepolymer (a16) previously adjusted to 80 ° C. 707.1 parts by mass, Irganox 245 (heat-resistant stabilizer manufactured by BASF) 4.97 parts by mass, Tinuvin 234 (UVS manufactured by BASF) 0.99 parts by mass, ADEKA STAB LA-72 (ADEKA, HALS) 0.99 parts by mass, and anthraquinone-based bluing agent solution (Bluing agent (trade name: Plast Blue 8514, Arimoto Chemical Industries) was diluted to 0.1% by mass with DINA) and 0.6 ppm based on Plast Blue 8514 was added to a stainless steel container, and the mixture was stirred and mixed for about 2 minutes under stirring at 1000 rpm using a high-speed disper.
- Irganox 245 heat-resistant stabilizer manufactured by BASF
- Tinuvin 234 UVS manufactured by BASF
- ADEKA STAB LA-72 ADEKA, HALS
- reaction mixture was poured into a SUS pad preliminarily adjusted to 120 ° C. and reacted at 120 ° C. for 24 hours to obtain polyurethane (A16).
- the polyurethane (A16) was removed from the vat and cured for 7 days under constant temperature and humidity conditions of room temperature 23 ° C. and relative humidity 55%.
- the obtained polyurethane (A16) was cut into a dice with a bale cutter, and the dice-like resin was pulverized with a pulverizer.
- the pulverized pellets were dried overnight at 80 ° C. under a nitrogen stream.
- a single screw extruder model: SZW40-28MG, manufactured by Technobel
- the strand was extruded at a cylinder temperature in the range of 150 to 245 ° C. and cut to obtain polyurethane (A16) pellets.
- the obtained pellets were further dried overnight at 80 ° C. under a nitrogen stream.
- ⁇ Heat-resistant NOx yellowing test> The test piece of polyurethane elastomer was left in a 90 ° C. hot-air circulating oven for 1000 hours. Thereafter, an exposure test was conducted for 2 hours at a NOx concentration of 2,000 ppm by a test method based on JIS L-0855 (2005). Thereafter, the test piece was further allowed to stand for 24 hours in a constant temperature and humidity chamber at 70 ° C. and 95%. The appearance after standing was confirmed visually. The results are shown in Table 14.
- 1,4-bis (isocyanatomethyl) cyclohexane, polyisocyanate composition, polyurethane resin and molded article of the present invention are elastomer (polyurethane solution, aqueous polyurethane, hot melt molding (slush molding, rotational molding) urethane powder, thermoplasticity.
- Urethane elastomer TPU
- thermosetting urethane elastomer TSU
- spray-molded urethane melt spinning method or dry spinning method elastic fiber
- paint mainly solution-based, powder-based curing agent: adduct, allophanate, burette, uretdione , Polyisocyanurate, iminooxadiandione and mixtures thereof
- industrial or hot melt adhesives sealing materials, polyurethane foams, gels and the like, and the eyewear material of the present invention A It can be used in eyewear frames and lenses.
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Abstract
Description
(a)イソシアヌレート基
(b)アロファネート基
(c)ビウレット基
(d)ウレタン基
(e)ウレア基
また、本発明のポリウレタン樹脂は、上記の1,4-ビス(イソシアナトメチル)シクロヘキサンを含むポリイソシアネート成分と、活性水素基含有成分とを反応させることにより得られることを特徴としている。
(a)イソシアヌレート基
(b)アロファネート基
(c)ビウレット基
(d)ウレタン基
(e)ウレア基
上記(a)の官能基(イソシアヌレート基)を含有するポリイソシアネート組成物は、1,4-ビス(イソシアナトメチル)シクロヘキサンのトリマー(三量体)であって、例えば、1,4-ビス(イソシアナトメチル)シクロヘキサンを公知のイソシアヌレート化触媒の存在下において反応させ、三量化することにより、得ることができる。
数平均分子量は、水酸基当量および平均官能基数から求めることができ、平均官能基数は、次式(2)から求めることができる。
なお、活性水素基含有成分として、必要により、さらに、例えば、上記した低分子量ポリオール、ポリチオール成分、ポリアミン成分、モノオールおよび/またはモノアミンなどを、適宜の割合で配合することができる。好ましくは、低分子量ポリオールおよび/またはポリアミン成分を配合し、より好ましくは、熱可塑性ウレタンエラストマー(TPU)を製造する場合には2価アルコールを、熱硬化性ウレタンエラストマー(TSU)を製造する場合には2価アルコールおよび3価アルコールを、それぞれ配合する。
製造例1(1,4-BAC(A)の調製)
[テレフタル酸の核水添工程]
撹拌器、温度計、ガス導入管を装備したステンレス製反応器に、テレフタル酸100質量部、触媒(NEケムキャット社製5%Pd/C)3.8質量部、水560質量部を仕込み、水素にて反応器内を置換後、常圧状態で400rpm撹拌下150℃に加熱した。
撹拌器、温度計、ガス導入管、ガス排気管およびガス冷却装置を装備したフラスコに、上記核水添工程で得られた1,4-シクロヘキサンジカルボン酸100質量部、N,N’-ジメチルイミダゾリジノン43質量部および、酸化スズ(II)1.26質量部を仕込み、170℃まで加熱した。その後、500rpmで撹拌しながらアンモニアガスを0.58mol/hr(対1,4-シクロヘキサンジカルボン酸)で流通し、280℃まで昇温して、この温度で一定にして14時間反応させた。反応終了後、150℃まで冷却し、熱時濾過して固形物を除去した。濾液を分析した結果、1,4-シクロヘキサンジカルボン酸の転化率は100%、1,4-ジシアノシクロヘキサンの収率は90.2%であり、そのトランス体比率は52モル%で、N,N’-ジメチルイミダゾリジノン濃度は6.9質量%であった。
撹拌器、温度計、ガス排気管およびガス冷却装置を装備したフラスコに、上記シアノ化工程で得られた1,4-ジシアノシクロヘキサンを含む濾液を仕込み、圧力4kPa、冷却器冷媒温度(塔頂温度)140℃、フラスコ内温度(塔底温度)190~230℃の条件で加熱し、ガス冷却装置での凝縮液を留出させて、仕込み量に対して90質量%まで留出させ、留出液を得た。留出液を分析した結果、1,4-ジシアノシクロヘキサンの回収率は、仕込み量に対して94.9%で、そのトランス体比率は54モル%であった。釜残の1,4-ジシアノシクロヘキサン濃度は43.4質量%で、トランス体比率は38モル%であった。
撹拌器、温度計、圧力調整弁を備えたガス導入管を装備したステンレス製反応器に、上記高沸点成分分離工程で得られた1,4-ジシアノシクロヘキサン(トランス体比率54モル%)100質量部、触媒(川研ファインケミカル社製マンガン含有ラネーコバルト)1.0質量部、28質量%アンモニア水98質量部、1-ブタノール125質量部を仕込み、反応器内を水素で置換後、400rpm撹拌下、120℃に加熱した。120℃に到達したところで、圧力が3.5MPa(ゲージ圧)になるように水素の供給を連続的に開始して、水素吸収が無くなるまで反応した。
[異性化工程]
撹拌器、温度計、ガス導入管を装備したステンレス製反応器に、製造例1で得られた1,4-BAC(A)(トランス体比率54モル%)100質量部、触媒(N.E.Chemcat社製5質量%ルテニウム/アルミナ)1.6質量部、ヘプタン100質量部を仕込み、反応器内を水素で置換後、水素にて全圧を5MPa(ゲージ圧)とし、400rpm撹拌下、210℃に加熱、3時間反応させた。
撹拌器、温度計、ガス導入管を装備したステンレス製反応器に、製造例1で得られた1,4-BAC(A)(トランス体比率54モル%)100質量部、触媒(N.E.Chemcat社製5質量%ルテニウム/アルミナ)1.5質量部、シクロヘキサン100質量部を仕込み、反応器内を水素置換後、水素にて全圧を5MPa(ゲージ圧)とし、400rpm撹拌下、210℃に加熱、2時間反応させた。
市販の1,4-ビス(アミノメチル)シクロヘキサン(東京化成品、トランス体比率40モル%)を原料に、ヘプタンの代わりにシクロヘキサンを用いた以外は製造例2と同様に反応させた。
N.E.Chemcat社製5質量%ルテニウム/アルミナの代わりに、Degussa社製5質量%ルテニウム/アルミナを用いた以外は、製造例3と同様に反応させた。
製造例1で得られた1,4-BAC(A)(トランス体比率54モル%)を原料に、5質量%ルテニウム/アルミナを0.8質量部用い、反応時間を3時間とした以外は、製造例3と同様に反応させた。
製造例2と同様の操作によって得られた濾液を、真空単蒸発により溶媒であるヘプタンを除去した。続いて、充填塔(充填剤:ヘリパック、理論段数:25段)を設置した四つ口フラスコに溶媒を除去した反応生成液を加えて精留した。
製造例4と同様の操作によって得られた濾液を、真空単蒸発により溶媒であるシクロヘキサンを除去した。続いて、充填塔(充填剤:ヘリパック、理論段数:25段)を設置した四つ口フラスコに溶媒を除去した反応生成液を部加えて精留した。
撹拌器、温度計、ガス導入管を装備したステンレス製反応器に、市販の1,4-ビス(アミノメチル)シクロヘキサン(東京化成品、トランス体比率40モル%)100質量部、触媒(水酸化ルテニウム(含水品、ルテニウム含有率13質量%、塩化ルテニウムのアルカリ加水分解により調製))1.7質量部、シクロヘキサン100質量部を仕込み、反応器内を水素で置換後、水素にて全圧を5MPa(ゲージ圧)とし、400rpm撹拌下、190℃に加熱、5時間反応させた。
製造例2と同様な操作によって得られた濾液を真空単蒸発により溶媒であるヘプタンを除去した。続いて、充填塔(充填剤:ヘリパック、理論段数:25段)を設置した四つ口フラスコに溶媒を除去した反応生成液を加えて精留した。
異性化反応において得られた濾液、1,4-BACにおけるトランス体比率、および、3-アザビシクロ[3.2.2]ノナン含有率の分析条件を、以下に示す。
分析機器:島津製作所製 GC-2010
カラム:VARIAN CP-SIL 8 CB FOR AMINES (長さ30m×内径0.25mm 膜厚0.25μm)
試料導入部温度:300℃
検出部温度:300℃
カラム温度パターン:130℃で10分間保持、130℃から300℃まで10℃/minで昇温、300℃で6分間保持
カラム圧力:140kPa
スプリット比:50/1
検出方法:FID
試料:分析対象物0.2gをメタノール50mLに溶解したもの
また、トランス体比率および3-アザビシクロ[3.2.2]ノナン含有率は、以下の式により求めた。
=トランス体の収率/(トランス体の収率+シス体の収率)×100
3-アザビシクロ[3.2.2]ノナン含有率(質量%)
=3-アザビシクロ[3.2.2]ノナンのGC面積/(1,4-BACのGC面積+3-アザビシクロ[3.2.2]ノナンのGC面積)×100
異性化条件、精留条件およびその結果を、表1に示す。
市販の1,4-ビス(アミノメチル)シクロヘキサン(東京化成品)を上記の条件で分析した結果、トランス体比率は40モル%であり、3-アザビシクロ[3.2.2]ノナンは検出限界(0.03ppm)未満であった。
実施例1(1,4-BIC(A)の合成)
撹拌機、温度計、窒素導入管、塩素ガス導入管、ホスゲン導入管、ガス排気管、ガス冷却装置、および、自動圧力調整弁を装備したステンレス製反応器に、製造例2で得られた1,4-BAC(B)を55質量部、オルトジクロロベンゼンを700質量部仕込み、300rpmで撹拌しながら60℃に加熱した。その後、塩酸ガスを1.0mol/hr(対1,4-BAC)の流量で、1,4-BACに対して3.0モル倍導入した。反応器のジャケットには冷水を通し、内温を60~100℃に保った。
1,4-BAC(B)の代わりに、製造例3で調製した1,4-BAC(C)を用い、精留前の加熱処理を190℃、8時間とした以外は、実施例1と同様の方法により、1,4-BIC(B)を得た。得られた1,4-BIC(B)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は82モル%、上記式(1)で示される化合物の濃度は0.19ppmであった。
1,4-BAC(B)の代わりに、製造例4で調製した1,4-BAC(D)を用い、精留前の加熱処理を190℃、2時間とした以外は、実施例1と同様の方法により、1,4-BIC(C)を得た。得られた1,4-BIC(C)のガスクロマトグラフィー測定による純度は99.7%、トランス体比率は82モル%、上記式(1)で示される化合物の濃度は270ppmであった。
1、4-BAC(B)の代わりに、製造例5で調製した1,4-BAC(E)を用いた以外は、実施例1と同様の方法により、1,4-BIC(D)を得た。得られた1,4-BIC(D)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は72モル%、上記式(1)で示される化合物の濃度は12ppmであった。
精留前の加熱処理を190℃、8時間とした以外は、実施例4と同様の方法により、1,4-BIC(E)を得た。得られた1,4-BIC(E)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は72モル%、上記式(1)で示される化合物の濃度は0.15ppmであった。
1、4-BAC(E)の代わりに、製造例6で調製した1,4-BAC(F)を用い、精留前の加熱処理を190℃、2時間とした以外は、実施例4と同様の方法により、1,4-BIC(F)を得た。得られた1,4-BIC(F)のガスクロマトグラフィー測定による純度は99.7%、トランス体比率は72モル%、上記式(1)で示される化合物の濃度は250ppmであった。
1、4-BAC(B)の代わりに、製造例7で調製した1,4-BAC(G)を用いた以外は、実施例1と同様の方法により、1,4-BIC(G)を得た。得られた1,4-BIC(G)のガスクロマトグラフィー測定による純度は99.7%、トランス体比率は93モル%、上記式(1)で示される化合物の濃度は20ppmであった。
精留前の加熱処理を190℃、8時間とした以外は、実施例7と同様の方法により、1,4-BIC(H)を得た。得られた1,4-BIC(H)のガスクロマトグラフィー測定による純度は99.7%、トランス体比率は93モル%、上記式(1)で示される化合物の濃度は0.22ppmであった。
1、4-BAC(G)の代わりに、製造例8で調製した1,4-BAC(H)を用い、精留前の加熱処理を190℃、3時間とした以外は、実施例7と同様の方法により、1,4-BIC(I)を得た。得られた1,4-BIC(I)のガスクロマトグラフィー測定による純度は99.7%、トランス体比率は93モル%、上記式(1)で示される化合物の濃度は285ppmであった。
1,4-ビス(イソシアナトメチル)シクロヘキサンの精留留分を、仕込み質量に対する留出率が80質量%から90質量%までの留分を回収した以外は、実施例1と同様の方法により、1,4-BIC(J)を得た。得られた1,4-BIC(J)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は82モル%、上記式(1)で示される化合物は検出できなかった(検出限界0.03ppm未満(以下同様))。
精留前の加熱処理を190℃、12時間とした以外は、実施例1と同様の方法により、1,4-BIC(K)を得た。得られた1,4-BIC(K)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は82モル%、上記式(1)で示される化合物の濃度は0.07ppmであった。
精留前に加熱処理しなかった以外は、実施例3と同様の方法により、1,4-BIC(L)を得た。得られた1,4-BIC(L)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は82モル%、上記式(1)で示される化合物の濃度は340ppmであった。
1,4-ビス(イソシアナトメチル)シクロヘキサンの精留留分を、仕込み質量に対する留出率が80質量%から90質量%までとして回収した以外は、実施例5と同様の方法により、1,4-BIC(M)を得た。得られた1,4-BIC(M)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は71モル%、上記式(1)で示される化合物は検出できなかった。
精留前の加熱処理を190℃、12時間とした以外は、実施例4と同様の方法により、1,4-BIC(N)を得た。得られた1,4-BIC(N)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は71モル%、上記式(1)で示される化合物の濃度は0.07ppmであった。
精留前に加熱処理しなかった以外は、実施例6と同様の方法により、1,4-BIC(O)を得た。得られた1,4-BIC(O)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は71モル%、上記式(1)で示される化合物の濃度は340ppmであった。
1,4-ビス(イソシアナトメチル)シクロヘキサンの精留留分を仕込み質量に対する留出率が80質量%から90質量%までとして回収した以外は、実施例8と同様の方法により、1,4-BIC(P)を得た。得られた1,4-BIC(P)のガスクロマトグラフィー測定による純度は99.7%、トランス体比率は93モル%、上記式(1)で示される化合物は検出できなかった。
精留前の加熱処理を190℃、12時間とした以外は、実施例7と同様の方法により、1,4-BIC(Q)を得た。得られた1,4-BIC(Q)のガスクロマトグラフィー測定による純度は99.7%、トランス体比率は93モル%、上記式(1)で示される化合物の濃度は0.07ppmであった。
精留前に加熱処理しなかった以外は、実施例7と同様の方法により、1,4-BIC(R)を得た。得られた1,4-BIC(R)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は93モル%、上記式(1)で示される化合物の濃度は380ppmであった。
1、4-BAC(B)の代わりに、製造例9で調製した1,4-BAC(I)を用いた以外は、実施例1と同様の方法により、1,4-BIC(S)を得た。得られた1,4-BIC(S)のガスクロマトグラフィー測定による純度は99.8%、トランス体比率は67モル%、上記式(1)で示される化合物の濃度は12ppmであった。
1、4-BAC(B)の代わりに、製造例10で調製した1,4-BAC(J)を用いた以外は、実施例1と同様の方法により、1,4-BIC(T)を得た。得られた1,4-BIC(T)のガスクロマトグラフィー測定による純度は99.5%、トランス体比率は97モル%、上記式(1)で示される化合物の濃度は18ppmであった。
1、4-BAC(B)の代わりに、市販の1,4-ビス(アミノメチル)シクロヘキサン(東京化成品、トランス体比率40モル%)を用いた以外は、実施例1と同様の方法により、1,4-BIC(U)を得た。得られた1,4-BIC(T)のガスクロマトグラフィー測定による純度は99.7%、トランス体比率は40モル%、上記式(1)で示される化合物は検出限界(0.03ppm)未満であった。
以下のGC-MS分析のCIマススペクトル、FDマススペクトル、NMRスペクトル、および、NMR二次元測定(Hetero-nuclear Multiple-Bond Connectivity:HMBC)から、1,4-BIC中に含有される物質が上記式(1)で示される化合物であることを同定した。
装置:Q1000GC K9(日本電子製)
カラム:DB-5MS+DG 30m*25mm*0.25μm(DG10m)
オーブン温度:40℃(4分ホールド)→10℃/分で昇温→300℃(10分ホールド)
インジェクション温度:300℃、インターフェース温度;280℃
スプリットモード:200/1,20/1
He:1.0ml/分、イオン化モードCI(試薬ガス、イソブタン)
Mass Range:60-800
[FDマススペクトル測定条件]
装置;JMS-T100GC(日本電子製)
イオン化モード:FD法
測定範囲:m/z10~2000
カソード:-10kV
エミッタ電流:0mA→51.2mA/min→42mA
スペクトル記録間隔:0.40s
[NMR測定条件]
NMR測定装置:ブルカー・バイオスピン製AVANCEIII500 型核磁気共鳴装置(CryoProbe Prodigy)
試料濃度:ca.50mg/0.6mL
測定溶媒:CDCl3
測定温度:25℃
・1H-NMR
測定核:1H(500MHz)
測定モード:シングルパルス
パルス幅:45°(6.0μ秒)
ポイント数:32k
観測範囲:20ppm(-5~15ppm)
繰り返し時間:7秒
積算回数:64回
ウインドウ関数:exponential(BF:0.15Hz)
ケミカルシフト基準:CHCl3:7.26ppm
・13C-NMR
測定核:13C(125MHz)
測定モード:シングルパルスプロトンブロードバンドデカップリング
パルス幅:45℃(5.0μ秒)
ポイント数:64k
観測範囲:250ppm(-25~225ppm)
繰り返し時間:5.5秒
積算回数:256回
ウインドウ関数:exponential(BF:1.0Hz)
ケミカルシフト基準:CDCl3:77.0ppm
<二次元NMR>(HMBC法)
観測範囲:1H:10ppm(0~10ppm)
13C:140ppm(20~160ppm)
積算回数:32回
データサイズ:2K×1K(ゼロフィリング後)
図2から、化学式(1)に由来する質量187.1(35Cl:同位体35)のピークおよび質量189.1(37Cl:同位体37)が確認できた。
製造例6で調製した1,4-BAC(F)900質量部(3-アザビシクロ[3.2.2]ノナン含量1.31質量%)と、1-オクタノール2700質量部とを、充填塔(充填剤:ヘリパック、理論段数:2段)を設置した四つ口フラスコに装入後、精留した。
調製例1で得られた3-アザビシクロ[3.2.2]ノナン塩酸塩(式(2)の化合物の塩酸塩)3.17質量部と、トルエン100質量部とを、撹拌機、温度計、ホスゲンガス導入管、窒素ガス導入管、ガス排気管を備えたフラスコに仕込んだ。
NMR測定装置:日本電子社製 ECX-400P(400MHz)
試料濃度: 25mg/0.6mL
試料溶媒: CDCl3
Scan: 16回
[13C-NMR測定条件]
NMR測定装置:日本電子社製 ECX-400P(400MHz)
試料溶媒: CDCl3
試料濃度: 25mg/0.6mL
Scan: 5000回
測定モード: BCM
[IR測定条件]
IR測定装置:Perkin-Elmer Spectrum One FT-IR Spectrometer
測定法: ATR(反射法)
波数範囲: 4000~400cm-1
分解能: 4cm-1
[GC-MS測定条件]
装置:Agilent6890N/5973N MSD
カラム:J&W DB-5MS(0.25mmID×60m、Film=0.25μm)
キャリアガス:He(コンスタントフローモード:1.5mL/min)
オーブン温度:80℃(1min)→10℃/min→250℃(2min)[Total=20min]
注入方法:スプリット法(スプリット比50:1)
注入口温度:250℃
インターフェイス温度:280℃
イオン源温度:230℃
四重極温度:150℃
イオン化法:EI法(イオン化電圧:70eV)
検出方法:Scan法(90~500)
注入量:1.0μL
そして、得られたスペクトルの各ピークを帰属した。その結果を、以下に示す。
図5に示す1H-NMRスペクトルの帰属は以下の通りである。
b(2H):2.013ppm 積分比1.9222
c(4H):3.833~3.734ppm 積分比4
(7.27ppmはCDCL3中のクロロホルム由来)
[13C-NMR帰属]
図6に示す13C-NMRスペクトルの帰属は以下の通りである。
(2):29.64~29.87ppm
(3):55.03ppm、57.53ppm
(4):150.03ppm
(なお、76.68~77.31ppmはCDCl3由来のピークである。)
[IRスペクトルの帰属]
図7に示すIRスペクトルにおいて、1718cm-1にνC=Oの吸収が観測された。また、2級アミン(NH)の吸収(3400cm-1付近)は観測されなかった。
図8に示すGC-MSスペクトルにおいて、MS分子イオンピーク187m/zおよび189m/zが約3:1の強度比で観測され、これは塩素含有化合物に特有の強度比であった。また、クロル基が脱離した分子イオンピーク152m/zが観測された。
以下のガスクロマトグラフ分析条件において得られたガスクロマトグラムの面積値から、1,4-BICの純度(%)および上記式(1)で示される化合物の濃度(ppm)を算出した。
装置;日本電子製 Q1000GC
カラム;DB-5MS+DG 30m×0.25mm×0.25μm(DG10m)
オーブン温度;40℃で4分間保持、40℃から300℃まで、10℃/minで昇温、300℃で10分間保持
注入口温度;300℃
検出器温度;280℃
キャリアガス;ヘリウムガス(1.0ml/min)
イオン化モード;Cl(試薬ガスイソブタン)
検出法;FID
<分析条件4(1,4-BICのトランス体比率の分析)>
以下のガスクロマトグラフ分析条件において得られたガスクロマトグラムの面積値から、1,4-BIC中のトランス体比率(モル%)を算出した。
装置;Agilent Technologies社製 7890A
カラム;Agilent DB-17MS
オーブン温度;40℃で4分間保持、40℃から250℃まで、10℃/minで昇温、250℃で5分間保持
注入口温度;300℃
検出器温度;300℃
キャリアガス;ヘリウム
トランス-1,4-BICの保持時間;20.18min
シス-1,4-BICの保持時間;20.308min
検出法;FID
<物性評価>
貯蔵安定性試験
ガラス製サンプル瓶に1,4-BICを一定量計量後、窒素封入した。次いで、50℃恒温槽にて3ヶ月間保管した後、外観を目視で観察した。なお、評価の基準を下記する。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁などを指す。
実施例10
・プレポリマーの合成
撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、1,4-BIC(A)を225.2質量部、予め減圧脱水処理した、ETERNACOLL UH-100(数平均分子量1000のポリカーボネートジオール、宇部興産社製)252.5質量部、および、ETERNACOLL UH-200(数平均分子量2000のポリカーボネートジオール、宇部興産社製)494.8質量部装入し、窒素雰囲気下、80℃にてイソシアネート基含量が5.70質量%になるまで反応させ、イソシアネート基末端ポリウレタンプレポリマー(a1)(以下プレポリマー(a1)と略する。)を得た。
予め80℃に調整したプレポリマー(a1)900質量部、イルガノックス245(BASF社製 耐熱安定剤)2.66質量部、チヌビン234(BASF社製 紫外線吸収剤)2.22質量部、および、アデカスタブLA-72(ADEKA社製 HALS)1.33質量部、および、予めオクチル酸錫(触媒、商品名:スタノクト、エーピーアイコーポレーション社製)をジイソノニルアジペート(ジェイ・プラス社製)により4質量%に希釈した溶液0.112質量部をステンレス容器に入れ、高速ディスパーを使用して、1000rpmの撹拌下、約2分間撹拌混合した。次いで、鎖伸長剤として予め80℃に調整した1,4-ブタンジオール(1,4-BD)(和光純薬製)54.51質量部を添加し、高速ディスパーを使用して、1000rpmの撹拌下、約10分間撹拌混合した。
表3に示す配合処方に従って、実施例10と同様の方法により、プレポリマー(b1~t1)を合成し、ポリウレタンエラストマー(B1~T1)を得た。
表3に示す配合処方に従って、参考比較例1で得た1,4-BIC(U)(市販の1,4-BACを用いた1,4-BIC)を用いて実施例10と同様の方法により、プレポリマー(U1)を合成し、ポリウレタンエラストマー(U1)を得た。
<硬度:ShoreA>
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に準じてShoreA硬さを測定し、その結果を表3に数値として示した。
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に記載の方法に準拠して得られたシートを用いた引張試験を実施した。試験片をJIS-3号ダンベルにて打ち抜き、引張試験機(東洋精器社製、商品名:全自動ゴム引張試験機 TYPE:AE-CT)にて、標線間20mm、引張速度300mm/分の条件で引張強度(単位:MPa)および伸び(単位:%)を測定した。その結果を表3に示す。
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に記載の方法に準拠して得られた直角型引裂試験片の直角部に、長さ1mmの切れ込みを入れた。これを用いて、引張試験機(東洋精器社製、商品名:全自動ゴム引張試験機 TYPE:AE-CT)にて、引張速度300mm/分の条件でノッチ付引裂き強度(単位:N/cm)を測定した。その結果を表3に示す。
ポリウレタンエラストマーの試験片を90℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表3に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
UH-100;ETERNACOLL UH-100、数平均分子量1000のポリカーボネートジオール(宇部興産社製)
UH-200;ETERNACOLL UH-200、数平均分子量2000のポリカーボネートジオール(宇部興産社製)
1,4-BD;1,4-ブタンジオール(和光純薬製)
DINA;ジイソノニルアジペート(ジェイ・プラス社製)
<熱硬化性ポリウレタンエラストマー(TSU)の合成および評価>
実施例16
・プレポリマーの合成
撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、1,4-BIC(A)を101.9質量部、および、予め減圧脱水処理した、PTG2000SN(数平均分子量2000のポリテトラメチレンエーテルグリコール、保土ヶ谷化学社製)505.4質量部装入し、窒素雰囲気下、80℃にて1時間撹拌後、予めジブチル錫ジラウリレートをジイソノニルアジペート(ジェイ・プラス社製)により4質量%に希釈した溶液0.076質量部を装入した。引き続き80℃にてイソシアネート基含量が3.8質量%になるまで反応させ、イソシアネート基末端ポリウレタンプレポリマー(a2)(以下プレポリマー(a2)と略する。)を得た。
予め80℃に調整したプレポリマー(a2) 200質量部、イルガノックス245(BASF社製 耐熱安定剤)1.24質量部、チヌビン234(BASF社製 紫外線吸収剤)1.03質量部、アデカスタブLA-72(ADEKA社製 HALS)0.62質量部、および、予めジブチル錫ジラウリレート(DBTDL)をジイソノニルアジペート(ジェイ・プラス社製)により4質量%に希釈した溶液0.050質量部をステンレス容器に入れ、スリーワンモータ(商品名:HEIDON FBL3000、新東科学社製)を使用して、600rpmの撹拌下、約1分間撹拌混合した。
表4に示す配合処方に従って、実施例16と同様の方法により、プレポリマー(b2~t2)を合成し、ポリウレタンエラストマー(B2~T2)を得た。
<硬度:ShoreA>
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に準じてShoreA硬さを測定し、その結果を表4に数値として示した。
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に記載の方法に準拠して得られたシートを用いた引張試験を実施した。試験片をJIS-3号ダンベルにて打ち抜き、引張試験機(東洋精器社製、商品名:全自動ゴム引張試験機 TYPE:AE-CT)にて、標線間20mm、引張速度300mm/分の条件で破断強度(単位:MPa)および伸び(単位:%)の測定を行った。その結果を、表4に示す。
ポリウレタンエラストマーの試験片を90℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表4に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
PTG2000SN;数平均分子量2000のポリテトラメチレンエーテルグリコール、保土ヶ谷化学社製
TMP;トリメチロールプロパン(和光純薬製)
1,4-BD;1,4-ブタンジオール(和光純薬製)
DBTDL;ジブチル錫ジラウリレート(和光純薬製)
DINA;ジイソノニルアジペート(ジェイ・プラス社製)
<光学用ポリウレタン樹脂の合成および評価>
実施例22
1,4-BAC(A)48.6質量部、触媒としてジメチル錫ジクロライド0.098質量部、酸性リン酸エステル(Stepan社製ゼレックUN)0.10質量部、および、紫外線吸収剤(バイオソーブ583、共同薬品社製)0.05質量部を、10~15℃にて混合溶解させた。
表5に示す配合処方に従って、実施例22と同様の方法により、光学用ポリウレタン樹脂(B3~T3)を得た。
<光学特性>
プルフリッヒ屈折計を用いて、20℃で屈折率(ne)およびアッベ数(νe)を測定した。その結果を、表5に示す。
光学用ポリウレタン樹脂の外観を目視で観察した。
AUTOGRAPH AGS-J(島津製作所製)を用いて、径45mm、厚さ2.5mmに調整した樹脂平板に、ドリルにて2箇所に直径1.6mmの穴をあけ、1.6mmの金属製シャフトを穴に通し、サンプル両端を固定冶具に取り付けた後、5mm/minの速度で引っ張り、最大点の試験力を測定した。得られた最大点試験力を樹脂圧で除した値を、穴開け引張強度(単位:N/mm)とした。
光学用ポリウレタン樹脂の試験片を90℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表5に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
PEMP;ペンタエリスリトールテトラ(3-メルカプトプロピオナート)、SC有機化学社製
GST;1,2-ビス(2-メルカプロエチルチオ)-3-プロパンチオール
<水性ポリウレタン樹脂(PUD)の合成および評価>
合成例1(ポリオキシエチレン側鎖含有ジオールの合成)
撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、数平均分子量1000のメトキシポリエチレングリコール1000質量部(東邦化学工業株式会社製)と1,6-ヘキサメチレンジイソシアネート(商品名:タケネート-700、三井化学社製)1682質量部を仕込み、窒素雰囲気下90℃で9時間反応させた。得られた反応液を薄膜蒸留して、未反応の1,6-ヘキサメチレンジイソシアネートを取り除き、ポリオキシエチレン基含有モノイソシアネートを得た。次いで、撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、ジエタノールアミン82.5質量部を仕込み、窒素雰囲気下、空冷しながら上記ポリオキシエチレン基含有モノイソシアネート917.5質量部を、反応温度が70℃を越えないように徐々に滴下した。滴下終了後、約1時間、窒素雰囲気下において70℃で撹拌し、イソシアネート基が消失したことを確認し、ポリオキシエチレン側鎖含有ジオールを得た。
撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、合成例1で合成したポリオキシエチレン側鎖含有ジオール38.6質量部、予め減圧脱水処理した、ETERNACOLL UH-100(数平均分子量1000のポリカーボネートジオール、宇部興産社製)120.2質量部、および、ETERNACOLL UH-200(数平均分子量2000のポリカーボネートジオール、宇部興産社製)120.2質量部、メチルエチルケトン89.78、イルガノックス245(BASF社製 耐熱安定剤)3.4質量部を混合した。
表6に示す配合処方に従って、実施例28と同様の方法により、水性ポリウレタン樹脂(B4~T4)を得た。
<水性ポリウレタンフィルムの製造>
ポリプロピレン製基材上に、乾燥後の膜厚が200μmになるように、水性ポリウレタン樹脂を流し込み、室温下、24時間かけて水分を乾燥させた。引き続き、110℃で1時間加熱を行い、完全に水分を揮発させた。室温に冷却後、基材からフィルムを剥離し、水性ポリウレタンフィルムを得た。
23℃、相対湿度55%の実験室内に設置した引張試験機(インテスコ社製、モデル:205型)を用いて、引張試験した。より具体的には、JIS4号ダンベルで打ち抜いた試験片を、チャック間距離20mm、引張速度300mm/minの条件で引張試験した。これにより、ポリウレタンフィルムの破断強度(単位:MPa)、伸び(単位:%)を測定した。
ポリウレタンフィルムの試験片を90℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表6に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
UH-100;ETERNACOLL UH-100、数平均分子量1000のポリカーボネートジオール(宇部興産社製)
UH-200;ETERNACOLL UH-200、数平均分子量2000のポリカーボネートジオール(宇部興産社製)
HDA;ヘキサメチレンジアミン
<ポリウレタン樹脂溶液の合成および評価>
実施例34
窒素雰囲気下、錨形アンカー翼、温度計および水冷式コンデンサーを備え、撹拌トルクを継続的に測定できる反応機に、予め減圧脱水処理した、ETERNACOLL UH-100(数平均分子量1000のポリカーボネートジオール、宇部興産社製)46.53質量部、ETERNACOLL UH-200(数平均分子量2000のポリカーボネートジオール、宇部興産社製)91.17質量部、および、1,4-BIC(A)53.68質量部を仕込み、撹拌速度200rpmにて、80℃まで昇温した。
表7に示す配合処方に従って、実施例34と同様の方法により、ポリウレタン樹脂溶液(B5~T5)を合成した。
<ポリウレタン樹脂溶液の粘度>
E型粘度計(東機産業株式会社製、商品名:TOKIMEC TV-30 VISCOMETER)を用いて、1°34’×R24のサイズのローターを具備して、回転速度:0.1rpm、温度:25℃にて、ポリウレタン樹脂溶液の粘度(単位:Pa・s)を測定した。その際のサンプル量は、1~1.2mL程度とした。
ガラス板上に、乾燥後のフィルム厚みが100μmとなるようにポリウレタン樹脂溶液を塗布した後、窒素雰囲気下、60℃で3時間減圧することにより、DMFを留去させ、ポリウレタンフィルムを得た。
23℃、相対湿度55%の実験室内に設置した引張試験機(インテスコ社製、モデル:205型)を用いて、引張試験した。より具体的には、引張方向に60mm、幅10mmであるフィルム試験片を、チャック間距離30mm、引張速度300mm/minの条件で引張試験した。これにより、ポリウレタンフィルムの破断強度(単位:MPa)、伸び(単位:%)を測定した。
ポリウレタンフィルムの試験片を90℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表7に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
UH-100;ETERNACOLL UH-100、数平均分子量1000のポリカーボネートジオール(宇部興産社製)
UH-200;ETERNACOLL UH-200、数平均分子量2000のポリカーボネートジオール(宇部興産社製)
DBTDL;ジブチル錫ジラウリレート(和光純薬製)
DMF;N,N-ジメチルホルムアミド(和光純薬製 有機合成グレード)
<ポリイソシアネート組成物の合成>
実施例40
滴下ロート装入したTMP17.1質量部を、リボンヒーターにより加熱して溶解させた。次いで、撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、1,4-BIC(A)を200質量部装入し、窒素雰囲気下、撹拌しながら75℃まで昇温した。次いで、溶解したTMPを約60分間かけて滴下した。滴下終了後80℃まで昇温し、イソシアネート基濃度が計算値に達するまで、反応を継続した。得られた反応液を薄膜蒸留装置(真空度50Pa、温度150℃)に通液して未反応の1,4-BIC(A)を除去し、さらに、固形分濃度が75質量%となるよう酢酸エチルを加え、ポリイソシアネート組成物(A6)を得た。
表8に示す配合処方に従って、実施例40と同様の方法により、ポリイソシアネート組成物(B6~T6)を得た。
主剤としてのアクリルポリオール(オレスターQ666 三井化学社製 水酸基価:60mgKOH/g)341.3質量部に、イルガノックス245(BASF社製 耐熱安定剤)1.47質量部、チヌビン234(BASF社製 紫外線吸収剤)1.23質量部、および、アデカスタブLA-72(ADEKA社製 HALS)0.74質量部を混合溶解した。
表8に示す配合処方に従って、実施例46と同様の方法により、ポリウレタン樹脂の塗膜(B7~T7)を得た。
1,5-ジアミノペンタンを原料として、冷熱2段ホスゲン化法を加圧下で実施した。
次いで、留去させた1,5-PDIを、撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに装入し、窒素を導入しながら、常圧下で、190℃、3時間加熱処理した。
その後、得られた反応液から、減圧下、80℃に加熱して、反応液中に残留する抽出溶剤を除去し、ポリイソシアネート組成物を得た。
<塗膜硬度>
JIS K 5600-5-6(1995年)に準拠して、ガラス基材に塗布した塗膜表面に傷がついた時点での鉛筆硬度を、塗膜硬度として評価した。その結果を、表8に示す。
塗膜とポリカーボネート基材との密着性を、ASTM D3359(2007年)に準拠して評価した。その結果を、表8に示す。
ポリプロピレン基板から塗膜を剥離し、得られた塗膜を幅1cm、長さ10cmのサイズにダンベルで打ち抜き、試験サンプルを得た。次いで、この試験サンプルに対して、引張圧縮試験機(インテスコ社製、Model205N)を用いて、23℃、引張速度5mm/min、チャック間距離50mmの条件で引張試験した。これにより、塗膜の破断強度(単位:MPa)および伸び(単位:%)を測定した。
ポリプロピレン基板から剥離させた塗膜の試験片を、90℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表8に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
TMP;トリメチロールプロパン(和光純薬製)
<ポリウレタンフォームの調製および評価>
実施例53
表9の配合処方に従って、EP-950P(ポリエーテルポリオール、三井化学社製)、トリエタノールアミン(TEOA)(三井化学社製)、ジエタノールアミン(DEOA)(三井化学社製)、イオン交換水、33LV(アミン触媒、エアープロダクツ社製)、Niax A1(アミン触媒、モメンティブ・パフォーマンス・マテリアルズ社製)、UL-28(アミン触媒、モメンティブ・パフォーマンス・マテリアルズ社製)スタノクト(オクチル酸錫、エーピーアイコーポレーション社製)、Y10366(シリコーン製泡剤、モメンティブ・パフォーマンス・マテリアルズ社製)チヌビン765(BASF社製 HALS)、および、JP-308;トリス(2-エチルヘキシル)ホスファイト(城北化学社製)を秤量し、それらを均一になるまで撹拌混合することにより、レジンプレミックスを調製した。次いで、得られたレジンプレミックスを23℃に調整した。
表9に示す配合処方に従って、実施例53と同様の方法により、ポリウレタンフォーム(B8~T8)を調製した。実施例54~58および比較例47~50はフォームを得ることができた。一方、比較例51は発泡途中にセルが崩壊し、フォームを得ることができなかった。
<収縮>
ポリウレタンフォームを、温度23℃、相対湿度55%の室内で2日間静置し、静置後におけるポリウレタンフォームの収縮の有無を目視により観察した。なお、収縮無しを○、収縮有りを×として評価した。その結果を、表9に示す。
収縮の評価後のポリウレタンフォームの中心部(コア)より10×10×5cmのサイズの直方体を切り出して、測定試料を作製し、その後、測定試料の見かけ密度(単位:kg/m3)をJIS K7222(2005年)に準拠して測定した。その結果を、表9に示す。
JIS K-6400-2(2012年)記載のD法に準拠してフォーム硬度(単位:N/314cm2)測定した。その結果を、表9に示す。
収縮の評価後のポリウレタンフォームを厚み10mmのシート状に裁断した後、クラッシング(クラッシング条件:ポリウレタンフォームが、2本ローラの間(間隔0.2mm)を通過)して、通気量測定用試料を作製し、その後、通気量測定用試料の通気量(単位:cc/cm2/s)JIS K6400-7(2004年)に記載のA法に準拠して測定した。その結果を、表9に示す。
JIS K-6400(2004年)記載の方法により引張強度(単位:kPa)および伸度(単位:%)を測定した。その結果を、表9に示す。
ポリウレタンフォームの試験片を80℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表9に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
EP-950P;ポリエーテルポリオール(三井化学社製)
TEOA;トリエタノールアミン(三井化学社製)
DEOA;ジエタノールアミン(三井化学社製)
33LV;アミン触媒(エアープロダクツ社製)
Niax A1;アミン触媒(モメンティブ・パフォーマンス・マテリアルズ社製)
UL-28;アミン触媒(モメンティブ・パフォーマンス・マテリアルズ社製)
スタノクト;オクチル酸錫(エーピーアイコーポレーション社製)
Y10366;シリコーン製泡剤(モメンティブ・パフォーマンス・マテリアルズ社製)
チヌビン765;ヒンダードアミン系光安定剤(HALS)(BASF社製)
JP-308;トリス(2-エチルヘキシル)ホスファイト(城北化学社製)
<ポリウレタン繊維の調製および評価>
プレポリマー(a9)の合成
撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、1,4-BIC(A)を24.9質量部、減圧脱水処理した、PEG2000U(数平均分子量2000のポリエチレングリコール、日油製)を100.0質量部装入し、窒素雰囲気下、80℃にて1時間撹拌した。さらにオクチル酸ビスマス(触媒、商品名:ネオスタンU-600、日東化成社製)をDINA(ジェイ・プラス社製)により4質量%に希釈した溶液0.015質量部を添加し、イソシアネート基含量が5.23質量%になるまで反応させ、イソシアネート基末端ポリウレタンプレポリマー(a9)(以下プレポリマー(a9)と略する。)を得た。
予め80℃に調整したプレポリマー(a9)100質量部、GA-80(住友化学社製 耐熱安定剤)1.06質量部、チヌビン234(BASF社製 紫外線吸収剤)0.32質量部、アデカスタブLA-72(株式会社ADEKA社製 HALS)0.32質量部をステンレス容器に入れ、高速ディスパーを使用して、1000rpmの撹拌下、約2分間撹拌混合した。次いで、鎖伸長剤として予め80℃に調整した1,4-BD 5.34質量部、オクチル酸ビスマス(触媒、商品名:ネオスタンU-600、日東化成社製)をDINA(ジェイ・プラス社製)により4質量%に希釈した溶液0.013質量部を添加し、高速ディスパーを使用して、1000rpmの撹拌下、約10分間撹拌混合した。
表10に示す配合処方に従って、実施例59と同様の方法により、ポリウレタン繊維(B9~T9)を得た。
フィラメントの平均径、10分間の有効紡糸時間(フィラメントの破断等により巻取りを停止している時間を除く正味の紡糸時間)におけるフィラメントの破断回数の他、巻き取った後のフィラメントの膠着の程度を以下の基準で評価した。
・巻取りロールから、フィラメントを速やかに取出すことができる。・・・○
・僅かな膠着が認められるが、フィラメントを取出すことができる。 ・・・△
・フィラメント同士が膠着し、フィラメントを取出すことができない。・・・×
<耐熱NOx黄変試験>
得られたポリウレタン繊維をJIS L-0855(2005年)に記載の試料ホルダに約3gまきつけ、90℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に80℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表10に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
実施例65
窒素導入管、温度計、バキュームラインおよび撹拌装置を備えた反応容器に、1,4-BIC(A)を280.2質量部、数平均分子量1000のポリテトラメチレンエーテルグリコール(商品名:PolyTHF1000S、BASFジャパン社製)を331.3質量部、数平均分子量2000のポリテトラメチレンエーテルグリコール(商品名:PolyTHF2000S、BASFジャパン社製)を244.8質量部、イルガノックス245(BASF社製 耐熱安定剤)を2.57質量部、チヌビン234(BASF社製 紫外線吸収剤)1.71質量部、チヌビン765(BASF社製HALS)を1.28質量部装入し、窒素雰囲気下、80~85℃で1時間撹拌した。更に、予めジブチル錫ジラウリレートをジイソノニルアジペート(ジェイ・プラス社製)により4質量%に希釈した溶液0.011質量部を装入した。引き続き、80℃で撹拌を行い、イソシアネート基含量が15.14質量%になるまで反応させた後、BYK088(ビックケミー・ジャパン株式会社製消泡剤)を加え、10分間撹拌を継続した。この後、真空下で脱泡操作を行い、イソシアネート基末端プレポリマーを得た。
表11に示す配合処方に従って、実施例65と同様の方法により、熱硬化性ポリウレタンウレア樹脂のシート(B10~T10)を得た。
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に準じてShoreD硬さを測定し、その結果を表11に数値として示した。
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に記載の方法に準拠して得られたシートを用いた引張試験を実施した。試験片をJIS-3号ダンベルにて打ち抜き、引張試験機(東洋精機社製、商品名:全自動ゴム引張試験機 TYPE:AE-CT)にて、標線間20mm、引張速度300mm/分の条件で引張強度(単位:MPa)および伸び(単位:%)を測定した。その結果を表11に示す。
熱硬化性ポリウレタンウレアの試験片を80℃の熱風循環式のオーブンに1000時間SUS製の鏡面プレート上に試験片をのせて静置した。試験終了後、23℃50%RHの恒温室にて2日間養生した後、鏡面プレートから試験片を外した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表11に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
実施例71
・プレポリマーの合成
撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、1,4-BIC(A)を228.7質量部、および、予め減圧脱水処理した、PEG2000U(数平均分子量2000のポリエチレングリコール、日油社製)683.5質量部装入し、窒素雰囲気下、80℃にて1時間撹拌後、予めオクチル酸ビスマス(触媒、商品名:ネオスタンU-600、日東化成社製)をDINA(ジェイ・プラス社製)により4質量%に希釈した溶液0.110質量部を添加した。引き続き80℃にてイソシアネート基含量が7.7質量%になるまで反応させ、イソシアネート基末端ポリウレタンプレポリマー(a11)(以下プレポリマー(a11)と略する。)を得た。
予め80℃に調整したプレポリマー(a11) 900質量部、イルガノックス245(BASF社製 耐熱安定剤)9.92質量部、チヌビン234(BASF社製 紫外線吸収剤)2.95質量部、およびアデカスタブLA-72(ADEKA社製 HALS)2.95質量部、をステンレス容器に入れ、高速ディスパーを使用して、1000rpmの撹拌下、約2分間撹拌混合した。次いで、鎖伸長剤として予め80℃に調整した1,4-BD 71.72質量部を添加し、高速ディスパーを使用して、1000rpmの撹拌下、約10分間撹拌混合した。
<硬度:ShoreA>
エラストマーシートを用い、「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に準じてShoreA硬さを測定し、その結果を表12に示す。
エラストマーシートを用い、「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に記載の方法に準拠して得られたシートを用いた引張試験を実施した。試験片をJIS-3号ダンベルにて打ち抜き、引張試験機(東洋精器社製、商品名:全自動ゴム引張試験機 TYPE:AE-CT)にて、標線間20mm、引張速度300mm/分の条件で破断強度(単位:MPa)および伸び(単位:%)の測定を行った。その結果を、表12に示す。
「JIS L-1099 繊維製品の透湿度試験方法」(2012年)A-1法(塩化カルシウム法)、B-2法(酢酸カリウム法の別法1)記載の方法に準拠し、測定した。その後、24時間の値に換算した。結果を表12に示す。
熱機械分析計(Seiko Instruments社製、モデル:TMA/6600)を用いて、20μm厚のポリウレタンエラストマーフィルムの軟化温度をJIS K7196記載の方法で測定した。結果を表12に示す。
実施例72
・プレポリマーの合成
撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、1,4-BIC(A)を324.2質量部、1,3-ビス(イソシアナトメチル)シクロヘキサン(タケネート600、三井化学社製)81.0質量部、予め減圧脱水処理した、PTG1000(数平均分子量1000のポリテトラメチレンエーテルグリコール、保土ヶ谷化学工業社製)215.3質量部、および、PTG2000SN(数平均分子量2000のポリテトラメチレンエーテルグリコール、保土ヶ谷化学工業社製)215.1質量部を装入し、窒素雰囲気下、80℃にて1時間撹拌後、予めオクチル酸スズ(触媒、商品名:スタノクト、エーピーアイコーポレーション社製)をDINA(ジェイ・プラス社製)により4質量%に希釈した溶液0.124質量部を添加した。引き続き80℃にてイソシアネート基含量が17.7質量%になるまで反応させ、イソシアネート基末端ポリウレタンプレポリマー(a12)(以下プレポリマー(a12)と略する。)を得た。
予め80℃に調整したプレポリマー(a12) 835.7質量部、イルガノックス245(BASF社製 耐熱安定剤)2.98質量部、チヌビン234(BASF社製 紫外線吸収剤)2.48質量部およびアデカスタブLA-72(ADEKA社製 HALS)1.49質量部、をステンレス容器に入れ、高速ディスパーを使用して、1000rpmの撹拌下、約2分間撹拌混合した。次いで、鎖伸長剤として予め80℃に調整した1,4-BD 157.3質量部を添加し、高速ディスパーを使用して、1000rpmの撹拌下、約10分間撹拌混合した。
表13に示す配合処方に従って、実施例72と同様の方法により、プレポリマー(a13~l12)を合成し、ポリウレタンエラストマー(A13~L12)を得た。
<硬度:ShoreA>
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に準じてShoreA硬さを測定し、その結果を表13に数値として示した。
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に記載の方法に準拠して得られたシートを用いた引張試験を実施した。試験片をJIS-3号ダンベルにて打ち抜き、引張試験機(東洋精器社製、商品名:全自動ゴム引張試験機 TYPE:AE-CT)にて、標線間20mm、引張速度300mm/分の条件で破断強度(単位:MPa)および伸び(単位:%)の測定を行った。その結果を、表13に示す。
「JIS K-7110 プラスチックーアイゾット衝撃強さの試験方法」(1999年)に記載の方法に準拠して、ノッチなしおよびノッチ付き(Aタイプ)にて-30℃での測定を実施した。結果を表13に示す。
「JIS K7191-2 プラスチックー荷重たわみ温度の求め方― 第2部:プラスチック及びエボナイト」(2007年)に準拠して、B法にて測定した。結果を表13に示す。
Haze Meter(日本電色工業製、モデル:NDH 2000)を用いて、2mm厚のポリウレタンエラストマーシートの全光線透過率、およびヘイズ(JIS K7105(光源:D65)に準拠)を測定した。結果を表13に示す。
射出シートを3×7cmの大きさにダンベルにて打ち抜き、エタノール(和光純薬製)に浸漬し、23℃×50%RH下に72時間静置した。浸漬前後の重量変化率を膨潤度として、表13に示す。
ポリウレタンエラストマーの試験片を90℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表13に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
NBDI;ノルボルナンジイソシアネート 商品名:コスモネートNBDI(三井化学社製)
PTG1000;数平均分子量1000のポリテトラメチレンエーテルグリコール(保土ヶ谷化学社製)
PTG2000SN;数平均分子量2000のポリテトラメチレンエーテルグリコール(保土ヶ谷化学社製)
PCL210;数平均分子量1000ポリカプロラクトンジオール、商品名:プラクセル210(ダイセル社製)
UH-200D;数平均分子量2000のポリカーボネートジオール、商品名:ETERNACOLL UH-200D(宇部興産社製)
1,4-BD;1,4-ブタンジオール(和光純薬製)
1,3-PD;1,3-プロパンジオール(和光純薬製)
<アイウェアレンズのための光学用ポリウレタン樹脂の合成および評価>
実施例76
・プレポリマーの合成
撹拌機、温度計、還流管、および、窒素導入管を備えた4つ口フラスコに、1,4-BIC(A)を450.5質量部、予め減圧脱水処理した、UH-50(数平均分子量500のポリカーボネートジオール、宇部興産社製)114.8質量部、および、BPX-11(ビスフェノールAにプロピレンオキサイドを2モル付加したポリオール、ADEKA社製)141.7質量部を装入し、窒素雰囲気下、80℃にて5時間、イソシアネート基含量が20.1質量%になるまで反応させ、イソシアネート基末端ポリウレタンプレポリマー(a16)(以下プレポリマー(a16)と略する。)を得た。
予め80℃に調整したプレポリマー(a16) 707.1質量部、イルガノックス245(BASF社製 耐熱安定剤)4.97質量部、チヌビン234(BASF社製 紫外線吸収剤)0.99質量部、アデカスタブLA-72(ADEKA社製 HALS)0.99質量部、および、アントラキノン系ブルーイング剤溶液(ブルーイング剤(商品名:Plast Blue 8514、有本化学工業社製)をDINAにより0.1質量%に希釈)をPlast Blue 8514基準で0.6ppm添加した混合液をステンレス容器に入れ、高速ディスパーを使用して、1000rpmの撹拌下、約2分間撹拌混合した。次いで、鎖伸長剤として予め80℃に調整した1,4-BD 103.5質量部およびBPX-11 182.4質量部の混合溶液を添加し、高速ディスパーを使用して、1000rpmの撹拌下、約10分間撹拌混合した。
表14に示す配合処方に従って、実施例76と同様の方法により、プレポリマー(a17~l13)を合成し、ポリウレタン(A14~L13)を得た。
<硬度:ShoreA>
「JIS K-7311 ポリウレタン系熱可塑性エラストマーの試験方法」(1995年)に準じてShoreA硬さを測定し、その結果を表14に数値として示した。
「JIS K-7110 プラスチックーアイゾット衝撃強さの試験方法」(1999年)に記載の方法に準拠して、ノッチなしおよびノッチ付き(Aタイプ)にて、-30℃での測定を実施した。結果を表14に示す。
「JIS K7191-2 プラスチックー荷重たわみ温度の求め方― 第2部:プラスチック及びエボナイト」(2007年)に準拠して、B法にて測定した。結果を表14に示す。
プルフリッヒ屈折計を用いて、20℃で屈折率(ne)およびアッベ数(νe)を測定した。その結果を、表14に示す。
Haze Meter(日本電色工業製、モデル:NDH 2000)を用いて、2mm厚のポリウレタンシートの全光線透過率、およびヘイズ(JIS K7105(光源:D65)に準拠)を測定した。結果を表14に示す。
射出シートを3×7cmの大きさにダンベルにて打ち抜き、エタノール(和光純薬製)に浸漬し、23℃×50%RH下に72時間静置した。浸漬前後の重量変化率を膨潤度として、表14に示す。
ポリウレタンエラストマーの試験片を90℃の熱風循環式のオーブンに1000時間静置した。その後、JIS L-0855(2005年)に準拠した試験方法により、NOx濃度2,000ppmにて2時間、暴露試験した。その後、試験片を、更に70℃、95%の恒温恒湿器内で24時間静置した。静置後の外観を目視にて確認した。その結果を、表14に示す。
試験後の試験片について、外観を目視で観察した。評価の基準を下記する。また、その結果を表14に示す。
○-; 微かに変化あり
△; 僅かに変化あり
×; 変化あり
なお、変化とは、黄変、白濁、タック、変形などを指す。
1,3-BIC;1,3-ビス(イソシアナトメチル)シクロヘキサン 商品名:タケネート600(三井化学社製)
NBDI;ノルボルナンジイソシアネート 商品名:コスモネートNBDI(三井化学社製)
1,4-BD;1,4-ブタンジオール(和光純薬製)
なお、上記発明は、本発明の例示の実施形態として提供したが、これは単なる例示に過ぎず、限定的に解釈してはならない。当該技術分野の当業者によって明らかな本発明の変形例は、後記特許請求の範囲に含まれる。
Claims (9)
- シス体およびトランス体の総量に対して、トランス体を80モル%以上93モル%以下の割合で含むことを特徴とする、請求項1に記載の1,4-ビス(イソシアナトメチル)シクロヘキサン。
- シス体およびトランス体の総量に対して、トランス体を70モル%以上95モル%以下の割合で含み、かつ、下記式(1)で示される化合物の含有割合が、0.1ppm以上300ppm以下である1,4-ビス(イソシアナトメチル)シクロヘキサン、および/または、前記1,4-ビス(イソシアナトメチル)シクロヘキサンを変性することにより得られ、下記(a)~(e)の官能基を少なくとも1種含有するポリイソシアネート組成物を含むポリイソシアネート成分と、活性水素基含有成分とを反応させることにより得られることを特徴とする、ポリウレタン樹脂。
(a)イソシアヌレート基
(b)アロファネート基
(c)ビウレット基
(d)ウレタン基
(e)ウレア基 - シス体およびトランス体の総量に対して、トランス体を70モル%以上95モル%以下の割合で含み、かつ、下記式(1)で示される化合物の含有割合が、0.1ppm以上300ppm以下である1,4-ビス(イソシアナトメチル)シクロヘキサン、および/または、前記1,4-ビス(イソシアナトメチル)シクロヘキサンを変性することにより得られ、下記(a)~(e)の官能基を少なくとも1種含有するポリイソシアネート組成物を含むポリイソシアネート成分と、活性水素基含有成分とを反応させることにより得られるポリウレタン樹脂
から得られることを特徴とする、成形品。
(a)イソシアヌレート基
(b)アロファネート基
(c)ビウレット基
(d)ウレタン基
(e)ウレア基 - シス体およびトランス体の総量に対して、トランス体を70モル%以上95モル%以下の割合で含み、かつ、下記式(1)で示される化合物の含有割合が、0.1ppm以上300ppm以下である1,4-ビス(イソシアナトメチル)シクロヘキサン、および/または、前記1,4-ビス(イソシアナトメチル)シクロヘキサンを変性することにより得られ、下記(a)~(e)の官能基を少なくとも1種含有するポリイソシアネート組成物を含むポリイソシアネート成分と、活性水素基含有成分とを反応させることにより得られるポリウレタン樹脂
からなることを特徴とする、アイウェア材料。
(a)イソシアヌレート基
(b)アロファネート基
(c)ビウレット基
(d)ウレタン基
(e)ウレア基 - 1,4-ビス(イソシアナトメチル)シクロヘキサンが、シス体およびトランス体の総量に対して、トランス体を80モル%以上93モル%以下の割合で含むことを特徴とする、請求項6に記載のアイウェア材料。
- シス体およびトランス体の総量に対して、トランス体を70モル%以上95モル%以下の割合で含み、かつ、下記式(1)で示される化合物の含有割合が、0.1ppm以上300ppm以下である1,4-ビス(イソシアナトメチル)シクロヘキサン、および/または、前記1,4-ビス(イソシアナトメチル)シクロヘキサンを変性することにより得られ、下記(a)~(e)の官能基を少なくとも1種含有するポリイソシアネート組成物を含むポリイソシアネート成分と、活性水素基含有成分とを反応させることにより得られるポリウレタン樹脂
からなるアイウェア材料から得られることを特徴とする、アイウェアフレーム。
(a)イソシアヌレート基
(b)アロファネート基
(c)ビウレット基
(d)ウレタン基
(e)ウレア基 - シス体およびトランス体の総量に対して、トランス体を70モル%以上95モル%以下の割合で含み、かつ、下記式(1)で示される化合物の含有割合が、0.1ppm以上300ppm以下である1,4-ビス(イソシアナトメチル)シクロヘキサン、および/または、前記1,4-ビス(イソシアナトメチル)シクロヘキサンを変性することにより得られ、下記(a)~(e)の官能基を少なくとも1種含有するポリイソシアネート組成物を含むポリイソシアネート成分と、活性水素基含有成分とを反応させることにより得られるポリウレタン樹脂
からなるアイウェア材料から得られることを特徴とする、レンズ。
(a)イソシアヌレート基
(b)アロファネート基
(c)ビウレット基
(d)ウレタン基
(e)ウレア基
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US14/443,774 US9475903B2 (en) | 2013-09-26 | 2014-09-25 | 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens |
ES14847094T ES2729067T3 (es) | 2013-09-26 | 2014-09-25 | 1,4-bis(Isocianatometil)ciclohexano, composición de poliisocianato, resina de poliuretano, artículo moldeado, material de producto para los ojos, montura de producto para los ojos y lente |
EP14847094.1A EP3037411B1 (en) | 2013-09-26 | 2014-09-25 | 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame and lens |
CN201480003020.2A CN104781229B (zh) | 2013-09-26 | 2014-09-25 | 1,4-双(异氰酸甲酯基)环己烷、多异氰酸酯组合物、聚氨酯树脂、成型品、眼镜材料、眼镜框以及镜片 |
KR1020157012312A KR101578334B1 (ko) | 2013-09-26 | 2014-09-25 | 아이웨어 재료, 아이웨어 프레임 및 렌즈 |
JP2014548221A JP5675011B1 (ja) | 2013-09-26 | 2014-09-25 | 1,4−ビス(イソシアナトメチル)シクロヘキサン、ポリイソシアネート組成物、ポリウレタン樹脂および成形品 |
KR1020157012231A KR101598769B1 (ko) | 2013-09-26 | 2014-09-25 | 1,4-비스(아이소사이아네이토메틸)사이클로헥세인, 폴리아이소사이아네이트 조성물, 폴리우레탄 수지, 성형품, 섬유, 포백, 부직포, 필름, 시트 및 의료 |
EP16204704.7A EP3168256B1 (en) | 2013-09-26 | 2014-09-25 | Eyewear material comprising a polyurethane resin, eyewear frame and lens |
US14/732,030 US9477012B2 (en) | 2013-09-26 | 2015-06-05 | 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens |
HK15109776.4A HK1209099A1 (en) | 2013-09-26 | 2015-10-07 | 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame and lens 14-() |
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US14/732,030 Division US9477012B2 (en) | 2013-09-26 | 2015-06-05 | 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens |
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CN106245407A (zh) * | 2015-06-05 | 2016-12-21 | 市川株式会社 | 靴形压榨带 |
WO2017053599A1 (en) * | 2015-09-25 | 2017-03-30 | Materialise N.V. | Shape-adjustable eyewear temple and/or ear tip |
WO2018123300A1 (ja) * | 2016-12-26 | 2018-07-05 | 公立大学法人横浜市立大学 | 蛍光性樹脂組成物、成形体及び医療用機器並びに蛍光性樹脂組成物の製造方法 |
US20190211136A1 (en) * | 2016-11-17 | 2019-07-11 | Mitsui Chemicals, Inc. | Foaming thermoplastic polyurethane resin, producing method thereof, and molded article |
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