WO2011048739A1 - 環状(メタ)アクリレート化合物及びその製造方法 - Google Patents
環状(メタ)アクリレート化合物及びその製造方法 Download PDFInfo
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- WO2011048739A1 WO2011048739A1 PCT/JP2010/005430 JP2010005430W WO2011048739A1 WO 2011048739 A1 WO2011048739 A1 WO 2011048739A1 JP 2010005430 W JP2010005430 W JP 2010005430W WO 2011048739 A1 WO2011048739 A1 WO 2011048739A1
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- isosorbide
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- 0 **OC(COC12)C1OCC2O* Chemical compound **OC(COC12)C1OCC2O* 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
- C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
Definitions
- the present invention relates to a cyclic (meth) acrylate compound and a method for producing the same.
- (meth) acrylic acid esters are one component of an important copolymerization monomer and are blended for various purposes and applications.
- polymerization of a single monomer often fails to provide the desired performance, and a plurality of different (meth) acrylic acid esters, oligomers, polymers, and inorganic materials are used to obtain the required physical properties. It mix
- (meth) acrylates of polyfunctional alcohols typified by dipentaerythritol, pentaerythritol, ditrimethylolpropane, trimethylolpropane, pentaerythritol and the like are blended.
- polyfunctional (meth) acrylates, in particular (pentaerythritol) (meth) acrylate itself have a very high viscosity, and there is a problem of increasing the viscosity of the composition when blended.
- polyfunctional (meth) acrylate has a problem that the coated film is curled (warped) in applications such as film coating (Patent Documents 2 to 4).
- the present invention has been made in view of the above, and has a cyclic structure that has excellent photosensitivity, good air-drying property, low viscosity, and excellent hardness and low curl properties of a cured film (meta).
- An object of the present invention is to provide an acrylate monomer and a composition thereof, and a method for producing the acrylate monomer from a commercially available raw material by an industrially feasible reaction.
- the cyclic (meth) acrylate compound represented by the general formula (1) has a cyclic structure, and dipentaerythritol, pentaerythritol, ditrimethylolpropane, It has been found that it has excellent photosensitivity, good air-drying properties, etc. while having low viscosity compared to (meth) acrylates of polyfunctional alcohols typified by trimethylolpropane, pentaerythritol, etc., and its polymerizability It was confirmed that the characteristics of the composition were maintained, and the present invention was completed.
- the cyclic (meth) acrylate compound of the present invention has a structure represented by the following general formula (1).
- R 1 represents a hydrogen atom or a (meth) acryloyl group, at least one is a (meth) acryloyl group, A represents an alkylene group having 2 to 4 carbon atoms, and n is 0 to The number of 30 is represented.
- n in the general formula (1) is preferably 1-30.
- the method for producing a cyclic (meth) acrylate compound of the present invention is a method for producing a cyclic (meth) acrylate compound having the structure represented by the general formula (1), and is a (meth) acrylic acid halide or (meth) acrylic.
- the cyclic (meth) acrylate compound of the present invention is a polymerizable resin composition containing a polyfunctional alcohol (meth) acrylate represented by conventional dipentaerythritol, pentaerythritol, ditrimethylolpropane, trimethylolpropane, pentaerythritol and the like. While having photosensitivity, air-drying property, hardness of cured film, etc. comparable to or higher than that of an object, it is possible to lower the viscosity and prevent problems such as curling of the cured film.
- a polyfunctional alcohol (meth) acrylate represented by conventional dipentaerythritol, pentaerythritol, ditrimethylolpropane, trimethylolpropane, pentaerythritol and the like. While having photosensitivity, air-drying property, hardness of cured film, etc. comparable to or higher than that of an object, it is possible to lower the viscosity and prevent
- the compound of the present invention is used as a polymerizable monomer, for example, a resist resin composition such as a dry film resist, a colored resist, a black resist and a semiconductor resist, a medical resin composition such as dentistry, and a resin composition for paints and coatings.
- a resist resin composition such as a dry film resist, a colored resist, a black resist and a semiconductor resist
- a medical resin composition such as dentistry
- a resin composition for paints and coatings for paints and coatings.
- the ink composition is suitably used for a printing ink composition.
- the cyclic (meth) acrylate compound of the present invention is obtained using plant-derived isosorbide as a main raw material, it is possible to provide a clean material having a low dependence on fossil resources.
- the compound of the present invention can be produced with high purity and high yield by an industrially simple operation.
- Example 2 is an NMR chart of isosorbide diacrylate obtained in Example 1.
- 4 is an NMR chart of isosorbide 15EO adduct diacrylate obtained in Example 7.
- FIG. 4 is an NMR chart of isosorbide 6EO adduct diacrylate obtained in Example 8.
- the polymerizable monomer of the present invention has a structure represented by the structure of the general formula (1).
- R 1 represents a hydrogen atom or a (meth) acryloyl group, at least one is a (meth) acryloyl group, A represents an alkylene group having 2 to 4 carbon atoms, and n is 0 to The number of 30 is represented.
- n is preferably 1 to 30 in view of improving compatibility with the resin and the solvent, lowering of crystallinity, reactivity during production of (meth) acrylic acid ester, physical properties of the cured product, and the like.
- cyclic (meth) acrylate compound ⁇ Method for producing cyclic (meth) acrylate compound>
- a (meth) acrylate reaction using the following isosorbide or isosorbide alkylene oxide adduct (hereinafter referred to as isosorbide or the like) as a raw material is performed.
- isosorbide or the like isosorbide alkylene oxide adduct
- Isosorbide can be produced by a known production method. That is, it can be produced by dehydrating sorbitol by the action of various dehydration catalysts, particularly strong acid catalysts. Examples of the catalyst include sulfuric acid, paratoluenesulfonic acid, methanesulfonic acid, hydrochloric acid, phosphoric acid and the like. These dehydration reactions are generally performed efficiently in water and other organic solvents such as toluene and xylene. Several methods are known as methods for purifying anhydrous sugar alcohols.
- an alkylene oxide adduct of isosorbide can be produced by a known method.
- (meth) acrylate formation reaction a method of esterifying a hydroxyl group using (meth) acrylic acid halide or (meth) acrylic anhydride, a lower alcohol of (meth) acrylic acid such as MMA (methyl methacrylate), etc.
- Transesterification reaction using ester dehydration condensation method with (meth) acrylic acid using carbodiimide-based dehydration condensation agent such as DCC (dicyclohexylcarbodiimide), WSCD (water-soluble carbodiimide), or dehydration using acid catalyst
- DCC dicyclohexylcarbodiimide
- WSCD water-soluble carbodiimide
- dehydration using acid catalyst A method of condensation is used.
- a polymerization inhibitor may be appropriately used so that polymerization does not proceed during production or during product storage.
- Polymerization inhibitors include hydroquinones such as p-benzoquinone, hydroquinone, hydroquinone monomethyl ether and 2,5-diphenylparabenzoquinone, N-oxy radicals such as tetramethylpiperidinyl-N-oxy radical (TEMPO), t -Substituted catechols such as butyl catechol, amines such as phenothiazine, diphenylamine, phenyl- ⁇ -naphthylamine, cuperone, nitrosobenzene, picric acid, molecular oxygen, sulfur, copper (II) chloride and the like.
- hydroquinones, phenothiazines and N-oxy radicals are preferred from the viewpoint of versatility and polymerization inhibition.
- the addition amount of the polymerization inhibitor is about 10 ppm or more, preferably 30 ppm or more, and the upper limit is usually 5000 ppm or less, preferably 1000 ppm or less with respect to the compound represented by the general formula (1) which is the target product. It is. If the amount is too small, there is a risk that polymerization will not sufficiently develop and there is a risk that polymerization will proceed during production or storage of the product, and if it is too large, the curing / polymerization reaction may be hindered. is there. For this reason, the compound of the present invention alone or its polymerizable resin composition may cause a decrease in photosensitivity, poor crosslinking of a cured product, a decrease in physical properties such as mechanical strength, and the like, which is not preferable.
- a compound that can be used as a (meth) acrylate agent in the case of (meth) acrylate-converting isosorbide or the like by a transesterification method is a lower alcohol ester of (meth) acrylic acid such as MMA.
- the lower alcohol is preferably a C1-C4 aliphatic alcohol, and the number of alcohol residues is selected from 1 to 3.
- Particularly preferred are (meth) acrylic acid methyl ester, ethyl ester, n-propyl ester and i-propyl ester.
- (meth) acrylic acid methyl ester, ethyl ester and the like are preferable because they can be easily operated in terms of removing alcohol by-produced during the reaction.
- the amount of (meth) acrylic acid ester used is usually 2 mol equivalents or more, preferably 4 mol equivalents or more, and the upper limit is usually 20 mol equivalents or less, preferably 10 with respect to the number of moles of raw material isosorbide. Less than molar equivalent.
- the solvent to be used is not particularly limited, but an aromatic hydrocarbon solvent such as toluene and xylene, an aliphatic hydrocarbon solvent such as hexane and heptane, diethyl ether, tetrahydrofuran, monoethylene glycol dimethyl ether, diethylene glycol Ether solvents such as dimethyl ether, ketone solvents such as acetone, methyl ethyl ketone and methyl isobutyl ketone, amide solvents such as dimethylformamide, dimethylacetamide and N-methylpyrrolidone are preferably used.
- aromatic hydrocarbon solvent such as toluene and xylene
- an aliphatic hydrocarbon solvent such as hexane and heptane
- diethyl ether diethyl ether
- tetrahydrofuran monoethylene glycol dimethyl ether
- diethylene glycol Ether solvents such as dimethyl ether
- ketone solvents such as ace
- aromatic hydrocarbon solvents such as toluene and xylene
- ketone solvents such as methyl ethyl ketone and methyl isobutyl ketone are preferable in terms of reactivity.
- aromatic hydrocarbon solvents such as toluene and xylene
- ketone solvents such as methyl ethyl ketone and methyl isobutyl ketone are preferable in terms of reactivity.
- These solvents may be used alone, or a plurality of arbitrary solvents may be mixed and used.
- the lower limit of the concentration of the raw material is usually 1% or more, preferably 10% or more, and the upper limit is not particularly limited, but is usually 80% or less, preferably 50% or less.
- the transesterification reaction is usually performed in the presence of a catalyst.
- a catalyst those generally usable in transesterification can be applied, for example, transition metal compounds such as titanium tetraisopropoxysite, alkali metal or alkaline earth metal alcoholates such as sodium methoxide, and the like.
- Aluminum alkoxides such as aluminum triisopropoxide, alkali metal and alkaline earth metal hydroxides such as lithium hydroxide and sodium hydroxide, tin compounds such as dibutyltin oxide, dioctyltin oxide, and distanoxane compounds. .
- transition metal compounds such as titanium tetraisopropoxysite, alkali metals such as sodium methoxide and alcoholates of alkaline earth metals, and the like are preferable because of their catalytic activity and availability.
- the amount of these catalysts used is usually 0.01 mol% or more, preferably 0.1 mol% or more, more preferably 0.5 mol% or more, and the upper limit is the mol number of isosorbide or the like of the raw material. Usually, it is 50 mol% or less, preferably 20 mol% or less, more preferably 10 mol% or less.
- the amount of the catalyst is too small, the reaction activity tends to be low and the yield of the desired ester compound tends to be low.
- the amount is too large, the load on the post-treatment step after the transesterification reaction increases, Moreover, it is not preferable also from an economical viewpoint.
- the reaction is preferably performed in a reactor equipped with a normal stirring device.
- the (meth) acrylic acid ester used as the reagent and the alcohol azeotropes and the (meth) acrylic acid ester is distilled off from the system, the (meth) acrylic acid ester is added as necessary. You may react by replenishing sequentially.
- the reaction temperature is preferably heated to obtain a sufficient reaction rate.
- the lower limit is usually 30 ° C. or higher, preferably 50 ° C. or higher
- the upper limit is usually 200 ° C. or lower, preferably 150 ° C. or lower.
- the reaction time is arbitrarily selected, but since alcohol is produced as the reaction proceeds, it is preferable to continue the reaction until a predetermined amount of alcohol is produced.
- the lower limit is usually 10 minutes or longer, preferably 30 minutes or longer
- the upper limit is not particularly limited, but is usually 50 hours or shorter, preferably 30 hours or shorter.
- Isosorbide or the like can be (meth) acrylated using (meth) acrylic acid halide or (meth) acrylic anhydride as a (meth) acrylating reagent.
- the compounds that can be used as the (meth) acrylic acid halide in that case are (meth) acrylic acid chloride, (meth) acrylic acid bromide, and (meth) acrylic acid iodide.
- the lower limit of the amount of (meth) acrylic acid halide or (meth) acrylic anhydride used is usually 0.01 mol equivalent or more, preferably 0.05 mol equivalent or more, relative to the number of moles of raw material isosorbide and the like. More preferably, it is 0.1 mol equivalent or more, and the upper limit is usually 20 mol equivalent or less, preferably 10 mol equivalent or less, more preferably 5 mol equivalent or less.
- the reaction system When the reaction is performed using (meth) acrylic acid halide or (meth) acrylic anhydride, the reaction system is preferably performed in a dehydrated state. When moisture is present in the system, it reacts with (meth) acrylic acid halide or (meth) acrylic anhydride and decomposes.
- the substrate used in the present invention such as isosorbide, is a compound that is easily miscible with water, but the smaller the amount of water contained in the substrate, the better. Specifically, it is 10 mol% or less, preferably 0.1 mol% or less with respect to isosorbide or the like.
- the reaction can be carried out in either a solvent system or a solvent-free system, but a solvent system is preferred from the viewpoint of production of by-products and handling in the process.
- a solvent there is no particular limitation, but aromatic hydrocarbon solvents such as toluene and xylene, aliphatic hydrocarbon solvents such as hexane and heptane, ethers such as diethyl ether, tetrahydrofuran, monoethylene glycol dimethyl ether, and diethylene glycol dimethyl ether Solvents, acetone solvents such as methyl ethyl ketone and methyl isobutyl ketone, nitrile solvents such as acetonitrile and benzonitrile, ester solvents such as ethyl acetate, butyl acetate and gamma butyrolactone, dimethylformamide, dimethylacetamide and N-methylpyrrolidone
- An amide solvent, a halogen solvent such as
- the lower limit of the concentration of the raw material is usually 1% or more, preferably 10% or more, and the upper limit is not particularly limited, but is usually 80% or less, preferably 60% or less.
- the (meth) acrylation reaction with (meth) acrylic acid halide or (meth) acrylic anhydride is usually performed in the presence of a basic substance.
- Usable basic substances include metal hydroxides such as sodium hydroxide and barium hydroxide, metal carbonates such as sodium carbonate and potassium carbonate, metal phosphates such as monosodium phosphate and potassium phosphate It is possible to use salts, hydrogen phosphates, basic ion exchange resins, organic tertiary amines such as triethylamine and tributylamine, and aromatic amines such as pyridine. Of these, pyridine, triethylamine, and potassium carbonate are preferably used.
- the lower limit is usually 1 molar equivalent, preferably 2 molar equivalents or more, and the upper limit. Is usually used in an amount of 10 mol equivalent or less, preferably 5 mol equivalent or less.
- the amount of the basic substance is too small, it is not preferable because the progress of the reaction is slow or stopped, and when it is too large, there is a problem of product coloring, which is not preferable economically.
- the reaction is preferably carried out in a reactor equipped with a corrosion-resistant stirrer.
- the lower limit of the reaction temperature is usually ⁇ 50 ° C. or higher, preferably ⁇ 20 ° C. or higher, and the upper limit is usually 80 ° C. or lower, preferably 20 ° C. or lower.
- the reaction time is arbitrarily selected, but is generally 30 minutes or more, preferably 60 minutes or more, and the upper limit is not particularly limited, but is usually 20 hours or less, preferably 10 hours or less.
- ⁇ Esterification with condensing agent or acid> When esterifying with (meth) acrylic acid, the reaction proceeds rapidly when a dehydrating condensing agent is allowed to coexist.
- a condensing agent a condensing agent generally known for esterification can be used without particular limitation.
- N, N′-dicyclohexylcarbodiimide, 2-chloro-1,3-dimethylimidazolium chloride, propane Phosphonic anhydride, carbonyldiimidazole (CDI), WSCD (water-soluble carbodiimide) and the like are preferably used.
- an organic basic substance such as pyridine, 4-dimethylaminopyridine or triethylamine may be used in combination.
- pyridine 4-dimethylaminopyridine or triethylamine
- N, N′-dicyclohexylcarbodiimide is preferred as the condensing agent
- pyridine and triethylamine are preferred as the basic substance from the viewpoint of condensation reactivity and availability.
- the lower limit of the reaction temperature is usually ⁇ 20 ° C., preferably ⁇ 10 ° C.
- the upper limit is usually 100 ° C., preferably 50 ° C.
- the amount of the condensing agent used is theoretically sufficient if it is used in an equal amount or more with respect to isosorbide as a substrate, but it may be used in excess. Preferably, it is 1.0 molar equivalent or more, more preferably 2.0 molar equivalent or more.
- (meth) acrylic acid and isosorbide are reacted in the presence of an acid while distilling off the generated water.
- Any acid can be used without particular limitation as long as it is an acid used in a normal esterification reaction.
- inorganic acids such as sulfuric acid and hydrochloric acid
- organic sulfonic acids such as p-toluenesulfonic acid, methanesulfonic acid, and camphorsulfonic acid
- acid type ion exchange resins such as fluorinated boron and ether complexes
- Lewis acids such as fluorinated boron and ether complexes
- lanthanide trif examples thereof include water-soluble Lewis acids such as rate.
- the lower limit of the amount of acid used is 0.1 mol% or more, preferably 0.5 mol% or more with respect to isosorbide as a substrate.
- the upper limit is not limited and is 20 mol equivalent or less, preferably 10 mol equivalent or less. If the amount of the acid catalyst is too small, it is not preferable because the progress of the reaction is slow or stopped. On the other hand, if the amount is too large, problems such as coloring of the product, catalyst remaining, or formation of a Michael adduct are not preferable. Side reactions tend to occur.
- the reaction can be carried out in either a solvent system or a solvent-free system, but a solvent system is preferred from the viewpoint of production of by-products and handling in the process.
- a solvent the solvent to be used is not particularly limited, but an aromatic hydrocarbon solvent such as toluene and xylene, an aliphatic hydrocarbon solvent such as hexane and heptane, diethyl ether, tetrahydrofuran, monoethylene glycol dimethyl ether, diethylene glycol Ether solvents such as dimethyl ether, halogen solvents such as methylene chloride, chloroform, carbon tetrachloride, and the like are preferably used. These solvents may be used singly or a plurality of arbitrary solvents may be mixed and used.
- the concentration of isosorbide as a raw material is such that the lower limit is usually 1% or more, preferably 10% or more, and the upper limit is not particularly limited, but is usually 80% or less, preferably 70%. It is as follows.
- the reaction is usually carried out at or above the boiling point of the solvent used, and the reaction is carried out while distilling off the produced water.
- the reaction time is arbitrarily selected, but the end point of the reaction can be recognized by measuring the amount of water produced and the acid value in the system.
- the lower limit of the reaction time is usually 30 minutes or longer, preferably 60 minutes or longer, and the upper limit is not particularly limited, but is usually 20 hours or shorter, preferably 10 hours or shorter.
- Purification of the compound represented by the general formula (1) produced by the above reaction can be employed without any particular limitation.
- a distillation method a recrystallization method, an extraction cleaning method, an adsorption treatment method, and the like.
- the form can be arbitrarily selected from simple distillation, precision distillation, thin film distillation, molecular distillation and the like.
- an oligomer / polymer component such as urethane acrylate, a polymerization initiator, a solvent and the like are blended.
- an oligomer / polymer component such as urethane acrylate, a polymerization initiator, a solvent and the like are blended.
- Curing and polymerization of the polymerizable resin composition can be carried out by a generally known method, and is not particularly limited.
- a polymerization method in the presence of a radical initiator a photopolymerization method in the presence of a photopolymerization initiator, an anionic polymerization method, or the like can be employed.
- radical polymerization initiator examples include benzoyl peroxide, methylcyclohexanone peroxide, cumene hydroperoxide, diisopropylbenzene peroxide, di-t-butyl peroxide, t-butyl peroxybenzoate, diisopropyl peroxycarbonate, t- Organic peroxides such as butyl peroxyisopropyl monocarbonate and azo compounds such as 2,2′-azobisisobutyronitrile (AIBN) can be used.
- benzoyl peroxide methylcyclohexanone peroxide
- cumene hydroperoxide diisopropylbenzene peroxide
- di-t-butyl peroxide di-butyl peroxide
- t-butyl peroxybenzoate diisopropyl peroxycarbonate
- t- Organic peroxides such as butyl peroxyisopropyl monocarbonate and azo compounds such as 2,2′-azobis
- photopolymerization initiators among polymerization initiators based on active energy rays for example, aromatic ketones such as benzophenone, aromatic compounds such as anthracene and ⁇ -chloromethylnaphthalene, and sulfur compounds such as diphenyl sulfide and thiocarbamate are used. can do.
- aromatic ketones such as benzophenone
- aromatic compounds such as anthracene and ⁇ -chloromethylnaphthalene
- sulfur compounds such as diphenyl sulfide and thiocarbamate
- Examples of polymerization initiators using active energy rays such as ultraviolet rays include acetophenone, acetophenone benzyl ketal, 1-hydroxycyclohexyl phenyl ketone, 2,2-dimethoxy-1,2-diphenylethane-1-one, xanthone, fluorenone, benzaldehyde.
- the amount of the radical polymerization initiator or the polymerization initiator used by the active energy ray may be selected according to a known polymerization reaction.
- the polymerization initiator by active energy rays is usually 0.001 to 20 parts by mass, preferably 0.001 to 100 parts by mass of the compound of the present invention represented by the general formula (1) or a polymerizable composition thereof. It is appropriate to use 01 to 5 parts by mass.
- the radical polymerization initiator is usually 0.0001 to 10 parts by mass, preferably 0.001 to 5 parts per 100 parts by mass of the compound of the present invention represented by the general formula (1) or a polymerizable composition thereof. It is appropriate to use parts by mass.
- the reaction temperature usually has a lower limit of 0 ° C., preferably 10 ° C., while the upper limit is 200 ° C., preferably 100 ° C.
- HPLC High performance liquid chromatography
- Example 2 A pale yellow viscous liquid was obtained by reacting in the same manner except that the acrylic acid of Example 1 was replaced with methacrylic acid.
- Example 3 (Synthesis of isosorbide diacrylate) A 2 L four-necked flask was charged with 146 g (1 mol) of isosorbide, 181.6 g (2 mol) of acrylic acid chloride, 0.15 g (0.0014 mol) of p-benzoquinone, and 700 g of toluene. The mixture was cooled to 5 ° C. in an ice bath, and 202.2 g (2 mol) of triethylamine was slowly added dropwise using a dropping funnel while confirming the heat of reaction. After completion of the dropwise addition, the mixture was continuously stirred for 5 hours under ice cooling. Then, it returned to room temperature and stirred for further 3 hours, and reaction was complete
- reaction solution was returned to room temperature, washed with 100 ml of distilled water, 0.025 g of hydroquinone was added, and the solvent was removed under reduced pressure to obtain a pale yellow viscous liquid.
- Example 4 A pale yellow viscous liquid was obtained by reacting in the same manner except that the acrylic acid chloride in Example 3 was replaced with methacrylic acid chloride.
- Example 5 (Synthesis of isosorbide diacrylate) In a 2 L four-necked flask, 146 g (1 mol) of isosorbide, 252 g (2 mol) of acrylic anhydride, 0.15 g (0.0014 mol) of p-benzoquinone, and 700 g of toluene were charged. The mixture was cooled to 5 ° C. in an ice bath, and 202.2 g (2 mol) of triethylamine was slowly added dropwise using a dropping funnel while confirming the heat of reaction. After completion of the dropwise addition, the mixture was continuously stirred for 5 hours under ice cooling. Then, it returned to room temperature and stirred for further 3 hours, and reaction was complete
- Example 6 (Synthesis of isosorbide dimethacrylate) A light yellow viscous liquid was obtained by replacing the acrylic anhydride of Example 5 with methacrylic anhydride and reacting in the same manner.
- Example 7 Synthesis of isosorbide 15EO adduct diacrylate
- adduct diacrylate Into the autoclave, 146 parts of isosorbide and 1 part of caustic soda were added to perform nitrogen substitution. Under stirring, the temperature was adjusted to 130 ° C. and dispersed uniformly. 260 parts of ethylene oxide (EO) was continuously introduced at 130 ° C. so that the internal pressure of the autoclave did not exceed 0.3 MPa. The mixture was aged for 2 hours until pressure equilibrium was reached at the same temperature to obtain an isosorbide 6EO adduct. Moreover, the number average molecular weight of the target product was 344, and the average added mole number of EO was 4.5.
- EO ethylene oxide
- Example 8 Synthesis of isosorbide 6EO adduct diacrylate
- adduct diacrylate Into the autoclave, 146 parts of isosorbide and 1 part of caustic soda were added to perform nitrogen substitution. Under stirring, the temperature was adjusted to 130 ° C. and dispersed uniformly. 700 parts of ethylene oxide (EO) was continuously introduced at 130 ° C. so that the internal pressure of the autoclave did not exceed 0.3 MPa. The mixture was aged for 4 hours until pressure equilibrium was reached at the same temperature to obtain an isosorbide 15EO adduct. The number average molecular weight of the target product was 832 and the average number of added moles of EO was 15.6.
- EO ethylene oxide
- Example 9 A resin composition was prepared by adding 5 parts of 1-hydroxy-cyclohexyl-phenyl-ketone (trade name Irgacure 184, manufactured by Ciba Specialty Chemicals) to 100 parts of isosorbide diacrylate obtained in Example 1. did.
- Example 9 the resin composition obtained in Example 9 and Comparative Examples 1 and 2 was applied to a glass substrate with a film thickness of 100 ⁇ m using a bar coater, and a metal halide. What was hardened
- Viscosity was measured using a cone-plate type rotational viscometer (E-type viscometer manufactured by Toki Sangyo Co., Ltd.) connected to a thermostatic bath and a circulation pump.
- E-type viscometer manufactured by Toki Sangyo Co., Ltd.
- ⁇ Refractive index> The film was coated on a glass substrate with a film thickness of 20 ⁇ m with a bar coater, cured under the same conditions as the adhesion, and the refractive index was measured with a prism coupler (model: 2010, manufactured by Metricon).
- volume shrinkage (%) ⁇ (specific gravity after curing ⁇ specific gravity before curing) / specific gravity after curing ⁇ ⁇ 100
- the film was coated on a glass substrate with a bar coater to a film thickness of 10 ⁇ m, shielded from light with a step tablet (25 steps, manufactured by Riston), and exposed to a parallel light type exposure machine (SX-UID501H UVQ) manufactured by USHIO under air shut-off.
- a parallel light type exposure machine SX-UID501H UVQ manufactured by USHIO under air shut-off. The number of steps which are cured at an integrated illuminance of 50 mj and become tack-free is described.
- ⁇ Pencil hardness> Each resin composition was cured at a cumulative illuminance of 400 mj / cm 2 using glass, PET, ABS, PC, and acrylic resin as a substrate in a belt conveyor type UV curing apparatus equipped with a metal halide lamp, and in accordance with JIS K5600-5-4, The film hardness on these substrates was measured.
- a PET film was coated on a PET substrate with a film thickness of 20 ⁇ m, a cured film was formed under the same conditions as the adhesion, and a Taber abrasion test was conducted. Haze was measured with a haze meter (Suga Seisakusho HGM type) when rotating a predetermined number of times using a CS-10F wear wheel with a load of 500 g.
- ⁇ Contamination resistance> The film was applied to a PET substrate with a film thickness of 10 ⁇ m using a spin coater, and a cured film was formed under the same conditions as the adhesion. On the cured film, oily magic, hair dyeing liquid and shoe ink were applied as contaminants, left to stand for 18 hours, and visually observed when wiped off with ethanol cotton, and evaluated according to the following criteria. ⁇ : Not colored, ⁇ : Slightly colored, ⁇ : Darkly colored
- ⁇ chemical resistance> A film is formed under the same conditions as in the stain resistance test, and a commercially available bleaching agent composed of hypochlorite, sodium hydroxide, surfactant (alkylamine oxide), etc. is dropped on the test film in a petri dish. Allowed to stand for 18 hours. The film was wiped off with a tissue, and the film was visually observed for change, and evaluated according to the following criteria. ⁇ : No abnormality in the cured film, ⁇ : slight gloss change, x: obvious abnormality such as whitening, cracking, floating
- ⁇ water resistant> A film was formed under the same conditions as in the stain resistance test, tap water was dropped, and the appearance when wiped off after 18 hours was visually observed and evaluated according to the following criteria. ⁇ : No abnormality in the cured film, ⁇ : slight gloss change, x: obvious abnormality such as whitening, cracking, floating
- a film was formed under the same conditions as in the stain resistance test, a drop of 0.1 mol / L hydrochloric acid aqueous solution was dropped on the test film, and left in a petri dish for 18 hours. The film was wiped off with a tissue, and the film was visually observed to see if it had changed.
- a film was formed under the same conditions as in the stain resistance test, a drop of a 2% aqueous sodium hydroxide solution was dropped on the test film, and allowed to stand in a petri dish for 18 hours. The film was wiped off with a tissue, and the film was visually observed to see if it had changed.
- the film was coated on a glass substrate with a film thickness of 20 ⁇ m with a bar coater, cured under the same conditions as the adhesion, and the haze was measured with a haze meter, and the measured value was made transparent.
- ⁇ Curl properties> The film was applied on a PET film having a thickness of 150 ⁇ m with a bar coater to a thickness of 20 ⁇ m and cured under the same conditions as the adhesion. The heights of the four corners of the film were measured, and the average value was defined as curl.
- isosorbide diacrylate is a bifunctional monomer and exhibits almost the same physical properties as DPHA, which is a polyfunctional monomer, and has low viscosity and high sensitivity, and also has a low curl property of the cured film. It turns out that it has the outstanding property.
- Example 3 Preparation of polymerizable resin composition and measurement of physical properties of cured film
- Example 10 50 parts of isosorbide diacrylate obtained in Example 1 above, 50 parts of New Frontier R-1204 (urethane acrylate resin, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.), 1-hydroxy-cyclohexyl-phenyl-ketone 5 parts (trade name Irgacure 184, manufactured by Ciba Specialty Chemicals) were mixed to obtain a polymerizable resin composition.
- New Frontier R-1204 urethane acrylate resin, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.
- 1-hydroxy-cyclohexyl-phenyl-ketone 5 parts (trade name Irgacure 184, manufactured by Ciba Specialty Chemicals) were mixed to obtain a polymerizable resin composition.
- Example 11 A similar resin composition was prepared by replacing the urethane acrylate resin of Example 10 with New Frontier R-1302 (urethane acrylate resin, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.).
- Example 10 In Example 10, no monomers were added, 100 parts of New Frontier R-1204 (urethane acrylate resin, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) and 5 parts of 1-hydroxy-cyclohexyl-phenyl-ketone (trade name Irgacure 184, Ciba Specialty Chemicals) was mixed to obtain a polymerizable resin composition.
- New Frontier R-1204 urethane acrylate resin, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.
- 1-hydroxy-cyclohexyl-phenyl-ketone trade name Irgacure 184, Ciba Specialty Chemicals
- Example 8 In Example 11, no monomers were added, 100 parts of New Frontier R-1302 (urethane acrylate resin, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.), and 5 parts of 1-hydroxy-cyclohexyl-phenyl-ketone (trade name Irgacure 184, Ciba Specialty Chemicals) was mixed to obtain a polymerizable resin composition.
- New Frontier R-1302 urethane acrylate resin, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.
- 1-hydroxy-cyclohexyl-phenyl-ketone trade name Irgacure 184, Ciba Specialty Chemicals
- the cured film for evaluation was prepared by using the polymerizable resin compositions obtained in Examples 10 and 11 and Comparative Examples 3 to 8 with a film thickness of 100 ⁇ m using a bar coater. It was coated on a glass substrate and cured by a belt conveyor type UV curing device equipped with a metal halide lamp at an integrated illuminance of 200 mj / cm 2 .
- isosorbide diacrylate significantly improves the curability, curlability, and other physical properties while significantly reducing the viscosity of high-viscosity urethane acrylate as compared with DPHA. Moreover, it turns out that the hardness etc. of a hardened film improve notably compared with HDDA.
- the cured product obtained by curing the cyclic (meth) acrylate compound of the present invention and the polymerizable resin composition containing the compound has high hardness, low curl properties, and excellent curability. It can be suitably used for coating applications such as hard coat, ink compositions for ink jet printing, or resist compositions such as dry film resists, colored resists, and black resists.
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Abstract
Description
本発明の重合性モノマーは上記一般式(1)の構造で表される構造を有するものである。一般式(1)中、R1は水素原子又は(メタ)アクリロイル基を表し、少なくとも1つは(メタ)アクリロイル基であり、Aは炭素数2から4のアルキレン基を表し、nは0~30の数を表す。nは、樹脂及び溶剤との相溶性の向上、結晶性の低下、(メタ)アクリル酸エステル製造時の反応性、硬化物の物性等から1~30であることが好ましい。
本発明の環状(メタ)アクリレート化合物の製造方法は、特に限定されないが、以下のようなイソソルバイド又はイソソルバイドアルキレンオキサイド付加物(以下、イソソルバイド等という)を原料とする(メタ)アクリレート化反応を用いることができる。
エステル交換法によりイソソルバイド等を(メタ)アクリレート化する場合の(メタ)アクリレート化剤として使用できる化合物は、MMAなどの(メタ)アクリル酸の低級アルコールエステルである。低級アルコールとしてはC1~C4の脂肪族のアルコールが好ましく、アルコール残基の数は1から3から選ばれる。特に好ましくは、(メタ)アクリル酸のメチルエステル、エチルエステル、n-プロピルエステル、i-プロピルエステルである。この中でも(メタ)アクリル酸のメチルエステル、エチルエステル等が反応中に副生するアルコールの除去の点で簡単に操作できるため好ましい。
(メタ)アクリル酸ハライド、もしくは(メタ)アクリル酸無水物を(メタ)アクリル化試薬として使用してイソソルバイド等を(メタ)アクリレート化することができる。その場合の(メタ)アクリル酸ハライドとして使用できる化合物は、(メタ)アクリル酸クロリド、(メタ)アクリル酸ブロミド、(メタ)アクリル酸アイオダイドである。
(メタ)アクリル酸でエステル化する場合には、脱水縮合剤を共存させると反応が速やかに進行する。縮合剤は一般にエステル化用として知られた縮合剤を特に制限なく使用する事が可能であるが、例えば、N,N’-ジシクロヘキシルカルボジイミド、2-クロロ-1,3-ジメチルイミダゾリウムクロリド、プロパンホスホン酸無水物、カルボニルジイミダゾール(CDI)、WSCD(水溶性カルボジイミド)などが好適に用いられる。また、この際は、ピリジン、4-ジメチルアミノピリジンやトリエチルアミンなどの有機塩基性物質を併用しても良い。この中でも縮合剤はN,N’-ジシクロヘキシルカルボジイミド、塩基性物質はピリジンやトリエチルアミンが縮合反応性および入手容易さの観点から好ましい。
上記の反応により製造された一般式(1)で表される化合物の精製は、特に制限なく採用することができる。例えば、蒸留法、再結晶法、抽出洗浄法、吸着処理法などである。蒸留を行う場合は、その形態は、単蒸留、精密蒸留、薄膜蒸留、分子蒸留など任意に選択することができる。
本発明の(メタ)アクリル酸エステルモノマーは、重合性を有しているため、冷暗所に保存することが望ましい。また、重合を防止するために前記した重合禁止剤を前記した量使用して保存することも可能である。
本発明の(メタ)アクリル酸エステルモノマーの応用の一例として、コーティング用樹脂組成物の原料に使用する場合の重合物、ならびにその製造条件等について以下に説明する。
カラム:(株)島津製作所製 C-R9A CHROMATOPAC DB-1 0.25mmφ、15m、0.25μm
キャリアーガス:ヘリウム
検出器:FID
注入口温度:280℃
カラム槽温度:初期温度150℃(2分保持)→昇温速度10℃/分最終温度→280℃(10分保持)
注入量:0.5μL
カラム:GLサイエンス inertsil ODS-2
移動相:アセトニトリル:水=7:3
流量:0.6mL/分
検出器:UV、RI
カラム槽温度:40℃
注入量:50μL(0.5%アセトニトリル溶液)
[実施例1](イソソルバイドジアクリレートの合成)
1L四ツ口フラスコにイソソルバイド146g(1mol)、アクリル酸144g(2mol)、p-ベンゾキノン0.15g(0.0014mol)、メタンスルホン酸1.5g(0.015mol)、トルエン700gを仕込み、空気導入しながらオイルバス中で120℃に加熱、10時間攪拌した。反応の進行に伴って出てくる水を留去しつつ反応を行った。反応終了後に室温まで冷却し、蒸留水100mlにて水洗を行う事で触媒を除去した。その後、ハイドロキノン0.025gを添加し、減圧下で脱溶剤を行う事で淡黄色粘凋液体を得た。
<イソソルバイドジアクリレート>(1H-NMR(400MHz),CDCl3,in ppm);6.4(2H),6.2(2H),5.8(2H),4.6(2H),3.9~4.2(6H)
実施例1のアクリル酸をメタクリル酸に代えた以外は同様に反応することにより、淡黄色粘凋液体を得た。
<イソソルバイドジメタクリレート>(1H-NMR(400MHz),CDCl3,in ppm);6.4(2H),5.8(2H),4.6(2H),3.9~4.2(6H),1.9(6H)
2L四ツ口フラスコにイソソルバイド146g(1mol)、アクリル酸クロライド181.6g(2mol)、p-ベンゾキノン0.15g(0.0014mol)、トルエン700gを仕込んだ。氷浴中にて5℃まで冷却し、反応熱を確認しながら滴下ろうとを用いてトリエチルアミン202.2g(2mol)をゆっくり滴下した。滴下終了後、続けて氷冷下で5時間攪拌した。その後、室温に戻して更に3時間攪拌を行い、反応を終了した。
<イソソルバイドジアクリレート>(1H-NMR(400MHz),CDCl3,in ppm);6.4(2H),6.2(2H),5.8(2H),4.6(2H),3.9~4.2(6H)
実施例3のアクリル酸クロライドをメタクリル酸クロライドに代えた以外は同様に反応することにより、淡黄色粘凋液体を得た。
<イソソルバイドジメタクリレート>(1H-NMR(400MHz),CDCl3,in ppm);6.4(2H),5.8(2H),4.6(2H),3.9~4.2(6H),1.9(6H)
2L四ツ口フラスコにイソソルバイド146g(1mol)、アクリル酸無水物252g(2mol)、p-ベンゾキノン0.15g(0.0014mol)、トルエン700gを仕込んだ。氷浴中にて5℃まで冷却し、反応熱を確認しながら滴下ろうとを用いてトリエチルアミン202.2g(2mol)をゆっくり滴下した。滴下終了後、続けて氷冷下で5時間攪拌した。その後、室温に戻して更に3時間攪拌を行い、反応を終了した。
<イソソルバイドジアクリレート>(1H-NMR(400MHz),CDCl3,in ppm);6.4(2H),6.2(2H),5.8(2H),4.6(2H),3.9~4.2(6H)
実施例5のアクリル酸無水物をメタクリル酸無水物に代えて、同様に反応する事で、淡黄色粘凋液体を得た。
<イソソルバイドジメタクリレート>(1H-NMR(400MHz),CDCl3,in ppm);6.4(2H),5.8(2H),4.6(2H),3.9~4.2(6H),1.9(6H)
オートクレーブに、イソソルバイドを146部、苛性ソーダ1部を投入して窒素置換を行った。撹拌下、130℃に温調して均一に分散させた。エチレンオキサイド(EO)260部を130℃でオートクレーブ内圧が0.3MPaを超えないように連続的に導入した。同温度で圧平衡になるまで2時間熟成してイソソルバイド6EO付加物を得た。また、目的物の数平均分子量は344、EOの平均付加モル数は4.5であった。
<イソソルバイドジアクリレート>(1H-NMR(400MHz),CDCl3, in ppm);6.4(2H),6.2(2H),5.8(2H),4.6(2H),4.3(4H),3.5~4.0(62H)
オートクレーブに、イソソルバイドを146部、苛性ソーダ1部を投入して窒素置換を行った。撹拌下、130℃に温調して均一に分散させた。エチレンオキサイド(EO)700部を130℃でオートクレーブ内圧が0.3MPaを超えないように連続的に導入した。同温度で圧平衡になるまで4時間熟成してイソソルバイド15EO付加物を得た。また、目的物の数平均分子量は832、EOの平均付加モル数は15.6であった。
<イソソルバイドジアクリレート>(1H-NMR(400MHz),CDCl3, in ppm);6.4(2H),6.2(2H),5.8(2H),4.6(2H),4.3(4H),3.5~4.0(26H)
上記実施例1により得られたイソソルバイドジアクリレートにつき、多官能モノマーであるKAYARAD DPHA、及び同じ2官能モノマーであるHDDAを比較対象として、以下の通り樹脂組成物及びその硬化皮膜の物性を評価した。試料の調製方法、及び測定・評価方法は以下の通りである。結果を表1に示す。
実施例1により得られたイソソルバイドジアクリレート100部に1-ヒドロキシ-シクロヘキシル-フェニル-ケトン(商品名イルガキュア184、チバ・スペシャリティー・ケミカルズ社製)を5部添加した物を樹脂組成物とした。
ジペンタエリスリトールペンタアクリレート、ジペンタエリスリトールヘキサアクリレートの混合物(商品名KAYARAD DPHA、日本化薬株式会社製)100部に1-ヒドロキシ-シクロヘキシル-フェニル-ケトン(商品名イルガキュア184、チバ・スペシャリティー・ケミカルズ社製)を5部添加した物を樹脂組成物とした
[比較例2]
1,6-へキサンジオールジアクリレート(商品名ニューフロンティアHDDA、第一工業製薬株式会社製)100部に1-ヒドロキシ-シクロヘキシル-フェニル-ケトン(商品名イルガキュア184、チバ・スペシャリティー・ケミカルズ社製)を5部添加した物を樹脂組成物とした。
恒温槽、循環ポンプと接続されたコーンプレート方式の回転粘度計(東機産業(株)製E型粘度計)を用いて粘度測定を行った。
ガラス基板上にバーコーターにて膜厚20μmで塗布し密着性と同条件で硬化し、プリズムカプラー(model:2010、Metricon社製)にて屈折率を測定した。
硬化前後の試験サンプルを、JIS K0061-1992に基づき比重を測定し、下記式により体積収縮率を測定した。
体積収縮率(%)={(硬化後の比重-硬化前の比重)/硬化後の比重}×100
液滴法により測定した。頂点の高さ、水滴の半径を直読し、θ=2arctan(h/a)より接触角を求めた。
ガラス基板上にバーコーターにて膜厚10μmに塗布し、ステップタブレット(25段、Riston社製)にて遮光し、空気遮断下でウシオ社製の平行光型露光機(SX-UID501H UVQ)にて積算照度50mjで硬化させ、タックフリーとなる段数を記載した。
各樹脂組成物をメタルハライドランプを装着したベルトコンベアー式UV硬化装置にてガラス、PET、ABS、PC、アクリル樹脂を基板として積算照度400mj/cm2にて硬化し、JIS K5600-5-4に従い、これらの基板上での皮膜硬度を測定した。
各樹脂組成物をメタルハライドランプを装着したベルトコンベアー式UV硬化装置にてABS、PC、アクリル樹脂を基板として積算照度400mj/cm2にて硬化し、JIS-K5400規定の碁盤目試験を行い、残存マス数を密着性とした。
PET基板にバーコーターにて膜厚20μmで塗布、密着性と同条件で硬化皮膜を形成し、テーバー磨耗試験を行った。500g荷重でCS-10F磨耗輪を使用し所定の回数回転させた時のヘーズをヘーズメーター(スガ製作所 HGM型)にて測定した。
PET基板にスピンコーターにて膜厚10μmで塗布し密着性と同条件で硬化皮膜を形成した。硬化皮膜上に汚染物として油性マジック、毛染め液、靴墨を塗布し、18時間静置、エタノール綿にてふき取りした際の外観を目視で観察し、以下の基準で評価した。
○:着色なし、△:わずかに着色あり、×:着色が濃い
耐汚染性試験と同条件で皮膜を形成し、試験フィルム上に次亜塩素酸塩、水酸化ナトリウム、界面活性剤(アルキルアミンオキシド)等から構成される市販の漂白剤を滴下しシャーレ内で18時間静置した。ティッシュでふき取り、フィルムが変化していないか目視によって観察し、以下の基準で評価した。
○:硬化膜に異常無し、△:わずかに光沢の変化が見られる、×:硬化膜に白化、割れ、浮きなどの明らかな異常が見られる
耐汚染性試験と同条件で皮膜を形成し、水道水を滴下し、18時間後に拭きとった時の外観を目視し、以下の基準で評価した。
○:硬化膜に異常無し、△:わずかに光沢の変化が見られる、×:硬化膜に白化、割れ、浮きなどの明らかな異常が見られる
耐汚染性試験と同条件で皮膜を形成し、試験フィルム上に0.1mol/Lの塩酸水溶液を一滴落とし、シャーレ内で18時間静置した。ティッシュでふき取り、フィルムが変化していないか目視によって観察し、耐水性と同基準で評価した。
耐汚染性試験と同条件で皮膜を形成し試験フィルム上に2%水酸化ナトリウム水溶液を一滴落とし、シャーレ内で18時間静置した。ティッシュでふき取り、フィルムが変化していないか目視によって観察し、耐水性と同基準で評価した。
ガラス基板上にバーコーターにて膜厚20μmで塗布し密着性と同条件で硬化しヘーズメーターにてヘーズを測定し、測定値を透明性とした。
厚さ150μmのPETフィルム上にバーコーターにて膜厚20μmで塗布し密着性と同条件で硬化させた。フィルムの四隅の高さを測定し、その平均値をカール性とした。
実施例1により得られたイソソルバイドジアクリレート、及び比較対象としての多官能モノマーであるDPHA、同じ2官能モノマーのHDDAを、以下の通りウレタンアクリレートと組成物化した樹脂組成物及びその硬化皮膜の物性等を上記実施例9等と同様にして測定又は評価した。
上記の実施例1により得られたイソソルバイドジアクリレートを50部、ニューフロンティアR-1204(ウレタンアクリレート樹脂、第一工業製薬株式会社製)を50部、1-ヒドロキシ-シクロヘキシル-フェニル-ケトンを5部(商品名イルガキュア184、チバ・スペシャリティー・ケミカルズ社製)を混合し、重合性樹脂組成物を得た。
実施例10のウレタンアクリレート樹脂をニューフロンティアR-1302(ウレタンアクリレート樹脂、第一工業製薬株式会社製)に代えて、同様の樹脂組成物を調製した。
実施例10のイソソルバイドジアクリレートに代えて、ジペンタエリスリトールペンタアクリレート、ジペンタエリスリトールヘキサアクリレートの混合物(商品名KAYARAD DPHA、日本化薬株式会社製)を用いて同様の樹脂組成物を調製した。
実施例10のイソソルバイドジアクリレートに代えて、1,6-へキサンジオールジアクリレート(商品名ニューフロンティアHDDA、第一工業製薬株式会社製)を用いて同様の樹脂組成物を調製した。
実施例10においてモノマー類を加えず、ニューフロンティアR-1204(ウレタンアクリレート樹脂、第一工業製薬株式会社製)を100部、1-ヒドロキシ-シクロヘキシル-フェニル-ケトンを5部(商品名イルガキュア184、チバ・スペシャリティー・ケミカルズ社製)を混合し、重合性樹脂組成物を得た。
実施例11のイソソルバイドジ(メタ)アクリレートに代えて、ジペンタエリスリトールペンタアクリレート、ジペンタエリスリトールヘキサアクリレートの混合物(商品名KAYARAD DPHA、日本化薬株式会社製)を用いて同様の樹脂組成物を調製した。
実施例11のイソソルバイドジ(メタ)アクリレートに代えて、1,6-へキサンジオールジアクリレート(商品名ニューフロンティアHDDA、第一工業製薬株式会社製)を用いて同様の樹脂組成物を調製した。
実施例11においてモノマー類を加えず、ニューフロンティアR-1302(ウレタンアクリレート樹脂、第一工業製薬株式会社製)を100部、1-ヒドロキシ-シクロヘキシル-フェニル-ケトンを5部(商品名イルガキュア184、チバ・スペシャリティー・ケミカルズ社製)を混合し、重合性樹脂組成物を得た。
Claims (3)
- 一般式(1)において、nが1~30であることを特徴とする、請求項1に記載の環状(メタ)アクリレート化合物。
- (メタ)アクリル酸ハライド又は(メタ)アクリル酸無水物を反応させて、イソソルバイド又はイソソルバイドアルキレンオキサイド付加物をアクリレート化する工程、
(メタ)アクリル酸エステルとのエステル交換により、イソソルバイド又はイソソルバイドアルキレンオキサイド付加物を(メタ)アクリレート化する工程、又は
脱水縮合剤又は酸の存在下で(メタ)アクリル酸無水物を反応させて、イソソルバイド又はイソソルバイドアルキレンオキサイド付加物をアクリレート化する工程
のいずれかを含むことを特徴とする、請求項1又は2に記載の環状(メタ)アクリレート化合物の製造方法。
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KR101369040B1 (ko) | 2014-02-28 |
CN102548997A (zh) | 2012-07-04 |
KR20120063490A (ko) | 2012-06-15 |
JP2011084535A (ja) | 2011-04-28 |
JP5270510B2 (ja) | 2013-08-21 |
CN102548997B (zh) | 2014-11-12 |
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TW201118066A (en) | 2011-06-01 |
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