WO2019230541A1 - 熱可塑性ポリウレタン樹脂、光学用ポリウレタン樹脂、ディスプレイパネル用カバー板、アイウェア材料、アイウェアレンズ、アイウェアフレーム、自動車内外装材用部品、および、熱可塑性ポリウレタン樹脂の製造方法 - Google Patents
熱可塑性ポリウレタン樹脂、光学用ポリウレタン樹脂、ディスプレイパネル用カバー板、アイウェア材料、アイウェアレンズ、アイウェアフレーム、自動車内外装材用部品、および、熱可塑性ポリウレタン樹脂の製造方法 Download PDFInfo
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- polyurethane resin
- thermoplastic polyurethane
- eyewear
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
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- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D12/00—Producing frames
- B29D12/02—Spectacle frames
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- C—CHEMISTRY; METALLURGY
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- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
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- C08G18/3206—Polyhydroxy compounds aliphatic
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/3203—Polyhydroxy compounds
- C08G18/3218—Polyhydroxy compounds containing cyclic groups having at least one oxygen atom in the ring
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- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G18/44—Polycarbonates
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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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
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- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/722—Combination of two or more aliphatic and/or cycloaliphatic polyisocyanates
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
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- G—PHYSICS
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- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2207/04—Thermoplastic elastomer
Definitions
- the present invention relates to a thermoplastic polyurethane resin, an optical polyurethane resin, a display panel cover plate, an eyewear material, an eyewear lens, an eyewear frame, parts for automobile interior and exterior materials, and a method for producing a thermoplastic polyurethane resin.
- Thermoplastic polyurethane resin is generally a rubber elastic body obtained by reaction of polyisocyanate, high molecular weight polyol and low molecular weight polyol, and comprises a hard segment formed by reaction of polyisocyanate and low molecular weight polyol, And a soft segment formed by the reaction of an isocyanate and a high molecular weight polyol.
- a thermoplastic polyurethane resin By molding such a thermoplastic polyurethane resin, a molded product made of the polyurethane resin can be obtained.
- thermoplastic polyurethane resin for example, a thermoplastic polyurethane obtained by reacting 4,4′-methylenediphenyl diisocyanate, polytetramethylene ether glycol having a molecular weight of 1000, isosorbide, and butanediol is used.
- a thermoplastic polyurethane resin obtained by reacting 4,4′-methylenediphenyl diisocyanate, polytetramethylene ether glycol having a molecular weight of 1000, isosorbide, and butanediol is used.
- thermoplastic polyurethane resin examples include 1,3- and 1,4-bis (isocyanatomethyl) cyclohexane, cyclohexanedimethanol (CHDM-D), 1,6-hexanediol, and polytetramethylene ether.
- CHDM-D cyclohexanedimethanol
- 1,6-hexanediol 1,6-hexanediol
- polytetramethylene ether examples of the thermoplastic polyurethane resin.
- a rigid thermoplastic polyurethane obtained by reacting with glycol has been proposed (see, for example, Patent Document 1 (Example 2)).
- thermoplastic polyurethane molded products are required to have various physical properties depending on the application. For example, in the fields of smart device covers, appearance, transparency, mechanical properties (hardness, etc.) and durability (impact resistance). , Heat resistance, chemical resistance, solvent resistance, etc.).
- thermoplastic polyurethanes described in Patent Documents 1 and 2 are not sufficient in appearance, transparency, mechanical properties (hardness, etc.) and durability (impact resistance, heat resistance, chemical resistance, solvent resistance, etc.). There is a case.
- the present invention relates to a thermoplastic polyurethane resin, optical polyurethane resin, display panel cover plate, eyewear material, eyewear lens, eyewear frame, and automotive interior / exterior parts having both appearance, transparency, mechanical properties and durability. And a method for producing a thermoplastic polyurethane resin.
- the present invention [1] includes a polyisocyanate component containing an isocyanate group of 1,4-bis (isocyanatomethyl) cyclohexane in a proportion of 50 mol% or more based on the total number of moles of isocyanate groups, a macropolyol, isosorbide, And a reaction product with a polyol component containing an aliphatic diol having 3 to 8 carbon atoms, and the isosorbide content is 60 mol% or more and 95 mol with respect to the total number of moles of the isosorbide and the aliphatic diol. % Of thermoplastic polyurethane resin is contained.
- the 1,4-bis (isocyanatomethyl) cyclohexane contains trans-1,4-bis (isocyanatomethyl) cyclohexane in a proportion of 70 mol% to 95 mol%.
- the thermoplastic polyurethane resin according to [1] is included.
- the present invention [3] is the above [1] or [2], wherein the aliphatic diol is a linear alkanediol having 3 to 5 carbon atoms and / or a cyclic alkanediol having 6 to 8 carbon atoms. Contains thermoplastic polyurethane resin.
- the present invention [4] is the above [1] to [3], wherein the macropolyol contains a polyoxy linear alkylene (carbon number 2 to 4) polyol having a number average molecular weight of 600 or more and 1300 or less.
- the thermoplastic polyurethane resin described is included.
- the present invention [5] contains the phosphorous acid antioxidant in a proportion of 0.1 to 0.8 parts by mass with respect to 100 parts by mass of the reaction product.
- the thermoplastic polyurethane resin as described in any one of these is included.
- the present invention [6] includes an optical polyurethane resin including the thermoplastic polyurethane resin according to any one of [1] to [5] above.
- the present invention [7] is a cover plate for a display panel of a smart device, and includes a display panel cover plate containing the optical polyurethane resin described in [6] above.
- the present invention [8] includes an eyewear material including the thermoplastic polyurethane resin according to any one of [1] to [5] above.
- the present invention [9] includes an eyewear lens including the eyewear material described in [8] above.
- the present invention [10] is characterized by comprising a lens body containing the eyewear material, and a hard coat layer and / or an antireflection layer formed on at least one surface of the lens body.
- the present invention [11] includes an eyewear frame including the eyewear material described in [8] above.
- the present invention [12] includes an automotive interior / exterior component including the thermoplastic polyurethane resin according to any one of [1] to [5] above.
- the present invention [13] comprises at least a polyisocyanate component containing an isocyanate group of 1,4-bis (isocyanatomethyl) cyclohexane in a proportion of 50 mol% or more with respect to the total number of moles of isocyanate groups, and at least a macropolyol. Reacting and curing at least the isocyanate group-terminated prepolymer, isosorbide, and an aliphatic diol having 3 to 8 carbon atoms to obtain a thermoplastic polyurethane resin.
- the present invention [14] includes the method for producing a thermoplastic polyurethane resin according to the above [13], wherein the curing temperature in the chain extension step is 150 ° C or higher and 240 ° C or lower.
- thermoplastic polyurethane resin, optical polyurethane resin, display panel cover plate, eyewear material, eyewear lens, eyewear frame, and automotive interior / exterior material parts of the present invention have a predetermined ratio of 1,4- Since it contains bis (isocyanatomethyl) cyclohexane, macropolyol, and aliphatic diols and isosorbides having a predetermined ratio of 3 to 8 carbon atoms, it has appearance, transparency, mechanical properties and durability.
- thermoplastic polyurethane resin of the present invention a thermoplastic polyurethane resin having both appearance, transparency, mechanical properties and durability can be easily obtained.
- thermoplastic polyurethane resin of the present invention is obtained by reacting (described later) raw material components including a polyisocyanate component and a polyol component.
- thermoplastic polyurethane resin contains a reaction product of a polyisocyanate component and a polyol component as a main component.
- a main component shows that it is 90 mass% or more with respect to the total amount of a thermoplastic polyurethane resin (thermoplastic polyurethane resin composition), for example, Preferably it occupies 95 mass% or more.
- the polyisocyanate component contains 1,4-bis (isocyanatomethyl) cyclohexane (1,4-H 6 XDI) as an essential component.
- the polyisocyanate component contains 50 mol% or more, preferably 70 mol% or more of 1,4-bis (isocyanatomethyl) cyclohexane isocyanate groups, based on the total number of moles of isocyanate groups. More preferably, it is 80 mol% or more, more preferably 90 mol% or more, and particularly preferably 100 mol%.
- 1,4-bis (isocyanatomethyl) cyclohexane includes cis-1,4-bis (isocyanatomethyl) cyclohexane (hereinafter referred to as cis 1,4 form) and trans-, 4-bis (isocyanate). There is a stereoisomer of natomethyl) cyclohexane (hereinafter referred to as trans 1,4).
- 1,4-bis (isocyanatomethyl) cyclohexane is trans 1,4, for example, 60 mol% or more, preferably 70 mol% or more, more preferably 80 mol% or more, and further preferably Is contained in a proportion of 85 mol% or more, for example, 99.8 mol% or less, preferably 99 mol% or less, more preferably 95 mol% or less, and still more preferably 90 mol% or less.
- the total amount of trans 1,4 and cis 1,4 is 100 mol%.
- 1,4-bis (isocyanatomethyl) cyclohexane has a cis 1,4 form, for example, 0.2 mol% or more, preferably 1 mol% or more, more preferably 5 mol% or more, and still more preferably. Is contained in a proportion of 10 mol% or more, for example, 40 mol% or less, preferably 30 mol% or less, more preferably 20 mol% or less, and still more preferably 15 mol% or less.
- 1,4-bis (isocyanatomethyl) cyclohexane can be produced, for example, by the method described in International Publication WO2009 / 051114 Pamphlet.
- 1,4-bis (isocyanatomethyl) cyclohexane can also be prepared as a modified product within a range not inhibiting the excellent effects of the present invention.
- modified form of 1,4-bis (isocyanatomethyl) cyclohexane examples include, for example, multimers of bis (isocyanatomethyl) cyclohexane (for example, dimer (for example, uretdione modified form), trimer (for example, isocyanurate modified form, imino form).
- polyisocyanate component can contain other polyisocyanates as optional components as long as the excellent effects of the present invention are not impaired.
- polyisocyanates examples include aliphatic polyisocyanates, aromatic polyisocyanates, and araliphatic polyisocyanates.
- aliphatic polyisocyanate examples include ethylene diisocyanate, trimethylene diisocyanate, tetramethylene diisocyanate, pentamethylene diisocyanate (PDI), hexamethylene diisocyanate (HDI), octamethylene diisocyanate, nonamethylene diisocyanate, and 2,2′-dimethylpentane diisocyanate.
- 2,2,4-trimethylhexane diisocyanate decamethylene diisocyanate, butene diisocyanate, 1,3-butadiene-1,4-diisocyanate, 2,4,4-trimethylhexamethylene diisocyanate, 1,6,11-undecamethylene Triisocyanate, 1,3,6-hexamethylene triisocyanate, 1,8-diisocyanate-4-isocyanatomethi Octane, 2,5,7-trimethyl-1,8-diisocyanate-5-isocyanatomethyloctane, bis (isocyanatoethyl) carbonate, bis (isocyanatoethyl) ether, 1,4-butylene glycol dipropyl ether- ⁇ , ⁇ '-diisocyanate, lysine isocyanatomethyl ester, lysine triisocyanate, 2-isocyanatoethyl-2,6-diisocyanatohexanoate
- the aliphatic polyisocyanate includes alicyclic polyisocyanates (excluding 1,4-bis (isocyanatomethyl) cyclohexane).
- alicyclic polyisocyanates examples include, for example, isophorone diisocyanate (IPDI), trans, trans-, trans, cis-, and cis, cis-dicyclohexylmethane diisocyanate.
- aromatic polyisocyanates examples include 2,4-tolylene diisocyanate and 2,6-tolylene diisocyanate, and isomer mixtures of these tolylene diisocyanates (TDI), 4,4′-diphenylmethane diisocyanate, 2,4 Examples include '-diphenylmethane diisocyanate and 2,2'-diphenylmethane diisocyanate, and any isomer mixture of these diphenylmethane diisocyanates (MDI), toluidine diisocyanate (TODI), paraphenylene diisocyanate, naphthalene diisocyanate (NDI), and the like.
- MDI diphenylmethane diisocyanates
- TODI toluidine diisocyanate
- NDI naphthalene diisocyanate
- araliphatic polyisocyanate examples include 1,3- or 1,4-xylylene diisocyanate or a mixture thereof (XDI), 1,3- or 1,4-tetramethylxylylene diisocyanate or a mixture thereof (TMXDI), etc. Is mentioned.
- These other polyisocyanates can be used alone or in combination of two or more.
- polyisocyanates can be prepared as modified products within a range that does not impair the excellent effects of the present invention.
- polyisocyanate modified products examples include other polyisocyanate multimers (dimers, trimers, etc.), biuret modified products, allophanate modified products, polyol modified products, oxadiazine trione modified products, carbodiimide modified products, and the like. Can be mentioned.
- polyisocyanates that is, polyisocyanates that can be used in combination with 1,4-bis (isocyanatomethyl) cyclohexane
- polyisocyanates are preferably aliphatic polyisocyanates and (including alicyclic polyisocyanates), more preferably.
- hexamethylene diisocyanate isophorone diisocyanate, dicyclohexylmethane diisocyanate, 1,3-bis (isocyanatomethyl) cyclohexane, diisocyanatomethylbicyclo [2,2,1] -heptane, and more preferably hexamethylene diisocyanate.
- Dicyclohexylmethane diisocyanate, and diisocyanatomethylbicyclo [2,2,1] -heptane particularly preferably hexamethylene diisocyanate.
- the content ratio of other polyisocyanates is, for example, 50% by mass or less, preferably 30% by mass or less, more preferably 20% by mass or less, with respect to the total amount of the polyisocyanate component.
- the ratio of the isocyanate groups of other polyisocyanates is, for example, 50 mol% or less, preferably 30 mol% or less, more preferably 20 mol% or less, relative to the total number of isocyanate groups of the polyisocyanate component. More preferably, it is 10 mol% or less, and particularly preferably 0 mol%.
- 1,4-bis (isocyanatomethyl) cyclohexane is particularly preferably used alone.
- the polyol component is a composition containing a compound containing two or more hydroxyl groups in the molecule.
- the polyol component is a macropolyol, isosorbide, a fatty acid having 3 to 8 carbon atoms. It preferably comprises a macropolyol, isosorbide, and an aliphatic diol having 3 to 8 carbon atoms.
- the macropolyol is an organic compound (polymer) having two or more hydroxyl groups and having a number average molecular weight of 400 or more, preferably 500 or more, for example, polyether polyol, polyester polyol, polycarbonate polyol, polyurethane polyol, epoxy Polyols, vegetable oil polyols, polyolefin polyols, acrylic polyols, vinyl monomer-modified polyols and the like can be mentioned, and polyether polyols, polyester polyols, and polycarbonate polyols are preferable.
- polyether polyols examples include polyoxy linear alkylene (2 to 4 carbon atoms) polyol, polyoxy branched alkylene (3 to 4 carbon atoms) polyol, polyoxy linear and branched alkylene (2 to 4 carbon atoms). ) Polyol and the like.
- the polyoxy linear alkylene (carbon number 2 to 4) polyol has a linear oxyalkylene unit, does not have a branched oxyalkylene unit, and the oxyalkylene unit has 2 to 4 carbon atoms. It is a polyoxyalkylene polyol.
- examples of the polyoxy linear alkylene (carbon number 2 to 4) polyol include polyoxyethylene polyol, polytrimethylene ether glycol, polytetramethylene ether glycol, and the like.
- polyoxyethylene polyol examples include addition polymers of ethylene oxide starting from a low molecular weight polyol or a known low molecular weight polyamine.
- Examples of the low molecular weight polyol include organic compounds having two or more hydroxyl groups in the molecule and a molecular weight of 50 or more and less than 400, preferably 300 or less.
- low molecular weight polyol examples include 1,2-ethylene glycol, 1,2-propylene glycol, 1,3-propanediol, 1,4-butanediol, 1,3-butanediol, 1,2, and the like.
- These low molecular weight polyols can be used alone or in combination of two or more.
- Preferred examples of the low molecular weight polyol include dihydric alcohols and trihydric alcohols, and more preferred are dihydric alcohols.
- polyoxyethylene polyols include polyoxyethylene glycol and polyoxyethylene triol, and preferably polyoxyethylene glycol.
- polytrimethylene ether glycol examples include glycol obtained by a polycondensation reaction of 1,3-propanediol derived from plant components.
- polytetramethylene ether polyol examples include ring-opened polymers obtained by cationic polymerization of tetrahydrofuran (polytetramethylene ether glycol (crystalline)), polymerized units such as tetrahydrofuran, alkyl-substituted tetrahydrofuran, and the above-described divalent compounds. Examples thereof include amorphous (non-crystalline) polytetramethylene ether glycol copolymerized with alcohol.
- the polyoxy branched alkylene (3 to 4 carbon atoms) polyol has a branched oxyalkylene unit, does not have a linear oxyalkylene unit, and the oxyalkylene unit has 3 to 4 carbon atoms. It is a polyoxyalkylene polyol.
- examples of the polyoxy branched alkylene (3 to 4 carbon atoms) polyol include addition of propylene oxide and butylene oxide using the above-described low molecular weight polyols and known low molecular weight polyamines as initiators. Examples include polymers.
- the polyoxy branched alkylene (3 to 4 carbon atoms) polyol includes polyoxypropylene polyol (polyoxy-1,2-propylene polyol), polyoxybutylene polyol (polyoxy-1,2- or -1, 3-butylene polyol) and the like.
- polyoxy branched alkylene (carbon number 3 to 4) polyol polyoxypropylene polyol is preferable.
- a polyoxy linear / branched alkylene (2 to 4 carbon atoms) polyol has both a linear oxyalkylene unit and a branched oxyalkylene unit, and the oxyalkylene unit has 2 to 4 carbon atoms. Is a polyoxyalkylene polyol.
- polyoxy linear / branched alkylene (2 to 4 carbon atoms) polyol for example, propylene oxide and ethylene starting from the above-mentioned low molecular weight polyols, known low molecular weight polyamines, and the like. Examples thereof include random and / or block copolymers with oxides.
- polyether polyols can be used alone or in combination of two or more.
- the polyether polyol is preferably a polyoxy linear alkylene (2 to 4 carbon atoms) polyol from the viewpoint of appearance, mechanical properties and durability, and more preferably a polyoxy linear alkylene (2 to 2 carbon atoms).
- Glycol is mentioned, More preferably, polytrimethylene ether glycol and polytetramethylene ether glycol are mentioned.
- polyester polyols include polycondensates obtained by reacting low molecular weight polyols and polybasic acids under known conditions.
- low molecular weight polyol examples include the low molecular weight polyol described above, preferably a dihydric alcohol, and more preferably propylene glycol and neopentyl glycol.
- 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
- Saturated aliphatic dicarboxylic acids (C11-13) such as azelaic acid and sebacic acid
- unsaturated aliphatic dicarboxylic acids such as maleic acid, fumaric acid and itaconic acid, such as phthalic acid, isophthalic acid, terephthalic acid, toluene
- Aromatic dicarboxylic acids such as dicarboxylic acid and naphthalenedicarboxylic acid, for example, alicyclic dicarboxylic acids such as hexahydrophthalic acid, for example, other carboxylic acids such as dimer acid, hydrogenated dimer acid, and het acid, and carboxylic acids thereof Acid anhydrides derived
- polybasic acids can be used alone or in combination of two or more.
- Preferred examples of the polybasic acid include saturated aliphatic dicarboxylic acids, aromatic dicarboxylic acids, and acid anhydrides, more preferred examples include adipic acid, phthalic acid, and phthalic anhydride, and even more preferred are adipic acid. Can be mentioned.
- polyester polyol for example, a plant-derived polyester polyol, specifically, a hydroxyl group-containing vegetable oil fatty acid (for example, castor oil fatty acid containing ricinoleic acid, 12-hydroxystearic acid, using the above-described low molecular weight polyol as an initiator, And a vegetable oil-based polyester polyol obtained by subjecting a hydroxycarboxylic acid such as hydrogenated castor oil fatty acid and the like to a condensation reaction under known conditions.
- a plant-derived polyester polyol specifically, a hydroxyl group-containing vegetable oil fatty acid (for example, castor oil fatty acid containing ricinoleic acid, 12-hydroxystearic acid, using the above-described low molecular weight polyol as an initiator
- a vegetable oil-based polyester polyol obtained by subjecting a hydroxycarboxylic acid such as hydrogenated castor oil fatty acid and the like to a condensation reaction under known conditions.
- the polyester polyol for example, the above-described low molecular weight polyol (preferably dihydric alcohol) is used as an initiator, for example, lactones such as ⁇ -caprolactone and ⁇ -valerolactone, for example, L-lactide, D- Lactone-based polyester polyols such as polycaprolactone polyols, polyvalerolactone polyols obtained by ring-opening polymerization of lactides such as lactide, and alcohol-modified lactone polyols obtained by copolymerizing the above dihydric alcohols with them.
- lactones such as ⁇ -caprolactone and ⁇ -valerolactone
- L-lactide L-lactide
- D- Lactone-based polyester polyols such as polycaprolactone polyols, polyvalerolactone polyols obtained by ring-opening polymerization of lactides such as lactide, and alcohol-modified lactone polyols obtained by cop
- polyester polyols can be used alone or in combination of two or more.
- the polyester polyol is preferably a lactone-based polyester polyol, more preferably a polycaprolactone polyol.
- polycarbonate polyol for example, a ring-opening polymer of ethylene carbonate (crystalline polycarbonate polyol) using the above-described low molecular weight polyol (preferably, the above dihydric alcohol) as an initiator, for example, 2 having 4 to 6 carbon atoms.
- crystalline polycarbonate polyol preferably, the above dihydric alcohol
- examples thereof include amorphous polycarbonate polyols obtained by copolymerizing a monohydric alcohol and a ring-opening polymer.
- polycarbonate polyols can be used alone or in combination of two or more.
- These macropolyols can be used alone or in combination of two or more.
- the macropolyol is preferably a polyether polyol, more preferably a polyoxy linear alkylene (2 to 4 carbon atoms) polyol, and still more preferably.
- polyoxy linear alkylene (carbon number 2 to 4) glycols and particularly preferred are polytrimethylene ether glycol and polytetramethylene ether glycol.
- the average hydroxyl value of the macropolyol is, for example, 10 mgKOH / g or more, preferably 20 mgKOH / g or more, more preferably 40 mgKOH / g or more, for example, 500 mgKOH. / G or less, preferably 300 mgKOH / g or less, more preferably 100 mgKOH / g or less.
- the number average molecular weight (polystyrene equivalent molecular weight by GPC measurement) of the macropolyol is 400 or more, preferably 500 or more, more preferably 600 or more, and still more preferably 800.
- it is 5000 or less, preferably 3000 or less, more preferably 1300 or less, and still more preferably 1200 or less.
- Isosorbide is a compound having two hydroxyl groups (diol compound), specifically 1,4: 3,6-dianhydroglucitol (also known as 1,4: 3,6-dianhydrosorbitol). is there.
- Isosorbide can be produced by a known method, and can also be obtained as a commercial product.
- the aliphatic diol having 3 to 8 carbon atoms (hereinafter sometimes referred to as C3 to 8 aliphatic diol) is a compound having a hydrocarbon group having 3 to 8 carbon atoms and two hydroxyl groups, for example, And a chain alkanediol having 3 to 8 carbon atoms and a cyclic alkanediol having 3 to 8 carbon atoms.
- Examples of the chain alkanediol having 3 to 8 carbon atoms include 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,7-heptanediol, C3-C8 linear alkanediols such as 1,8-octanediol, such as 1,2-propylene glycol, 1,3-butylene glycol, 1,2-butylene glycol, neopentyl glycol, 3-methyl And branched chain alkanediols having 3 to 8 carbon atoms such as -1,5-pentanediol and 2,2,2-trimethylpentanediol.
- chain alkanediols having 3 to 8 carbon atoms can be used alone or in combination of two or more.
- the linear alkanediol having 3 to 8 carbon atoms is preferably a linear alkanediol having 3 to 8 carbon atoms, and more preferably a linear alkane diol having 3 to 5 carbon atoms. Diols are mentioned.
- Examples of the cyclic alkanediol having 3 to 8 carbon atoms include 1,2-cyclopropanediol, 1,2- or 1,3-cyclobutanediol, 1,2- or 1,3-cyclopentanediol, 1,2 -, 1,3- or 1,4-cyclohexanediol, 1,2-, 1,3- or 1,4-cycloheptanediol, 1,2-, 1,3-, 1,4- or 1,5
- the cyclic alkanediol having 3 to 8 carbon atoms is preferably a cyclic alkanediol having 6 to 8 carbon atoms, more preferably an alicyclic dimethanol having 6 to 8 carbon atoms.
- C3-8 aliphatic diols can be used alone or in combination of two or more.
- an aliphatic diol having 2 carbon atoms such as ethylene glycol
- the appearance and transparency are poor.
- an aliphatic diol having 9 or more carbon atoms such as decane diol
- the mechanical properties and durability are poor. Therefore, an aliphatic diol having 3 to 8 carbon atoms is used as the aliphatic diol.
- the C3-8 aliphatic diol is preferably a linear alkanediol having 3 to 5 carbon atoms and / or a cyclic alkanediol having 6 to 8 carbon atoms from the viewpoints of appearance, transparency, mechanical properties and durability. More preferred are 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,4-cyclohexanedimethanol, and more preferred are 1,3-propanediol, 1 , 4-butanediol.
- the ratio of the high molecular weight polyol, isosorbide and C3-8 aliphatic diol is adjusted within the range of the reaction equivalent ratio described later.
- the content ratio of the high molecular weight polyol is, for example, 35 parts by mass or more, preferably 45 parts by mass or more, for example, 75 parts by mass or less, preferably 65 parts by mass with respect to 100 parts by mass of the total amount of polyol components.
- the content of isosorbide is, for example, 20 parts by mass or more, preferably 30 parts by mass or more, for example, 55 parts by mass or less, preferably 45 parts by mass or less, and C3-8 aliphatic.
- the content rate of diol is 2 mass parts or more, for example, Preferably, it is 5 mass parts or more, for example, is 30 mass parts or less, Preferably, it is 20 mass parts or less.
- the content ratio of isosorbide is, for example, 40 parts by mass or more, preferably 50 parts by mass or more, for example, 100 parts by mass or less, preferably 90 parts by mass or less with respect to 100 parts by mass of the high molecular weight polyol. is there.
- the content ratio of the C3-8 aliphatic diol with respect to 100 parts by mass of the high molecular weight polyol is, for example, 3 parts by mass or more, preferably 5 parts by mass or more, for example, 30 parts by mass or less, preferably 20 parts by mass or less.
- the content of isosorbide is, for example, 200 mol or more, preferably 250 mol or more, for example, 800 mol or less, preferably 700 mol or less with respect to 100 mol of the high molecular weight polyol.
- the content ratio of the C3-8 aliphatic diol is, for example, 30 mol or more, preferably 50 mol or more, for example, 350 mol or less, preferably 250 mol or less.
- the total proportion of isosorbide and C3-8 aliphatic diol is, for example, 230 mol or more, preferably 300 mol or more, for example, 1150 mol or less, preferably 950 mol, relative to 100 mol of high molecular weight polyol. It is as follows.
- the content of isosorbide is 60 mol% or more, preferably 65 mol% with respect to the total number of moles of isosorbide and C3-8 aliphatic diol. Or more, more preferably 70 mol% or more, still more preferably 75 mol% or more, particularly preferably 78 mol% or more, 95 mol% or less, preferably 90 mol% or less, more preferably 88 mol%. % Or less, more preferably 85 mol% or less, and particularly preferably 83 mol% or less.
- the content ratio of the C3-8 aliphatic diol is, for example, 5 mol% or more, preferably 10 mol% or more, more preferably 12 mol% or more, still more preferably 15 mol% or more, and particularly preferably 17 mol% or more, for example, 40 mol% or less, preferably 35 mol% or less, more preferably 30 mol% or less, still more preferably 25 mol% or less, and particularly preferably 22 mol% or less.
- the content of isosorbide is, for example, 70% by mass or more, preferably 75% by mass or more, more preferably 78% by mass or more, based on the total mass of isosorbide and C3-8 aliphatic diol.
- the amount is preferably 80% by mass or more, for example, 98% by mass or less, preferably 93% by mass or less, more preferably 90% by mass or less, and still more preferably 88% by mass or less.
- the content ratio of the C3-8 aliphatic diol is, for example, 2% by mass or more, preferably 5% by mass or more, more preferably 8% by mass or more, and further preferably 10% by mass or more. 30% by mass or less, preferably 25% by mass or less, more preferably 23% by mass or less, and still more preferably 20% by mass or less.
- thermoplastic polyurethane resin having both appearance, transparency, mechanical properties and durability can be obtained.
- thermoplastic polyurethane resin is manufactured by making said raw material component react.
- a known method such as a one-shot method or a prepolymer method is employed. From the viewpoint of improving appearance, transparency, mechanical properties and durability, a prepolymer method is preferably employed.
- prepolymer synthesis step first, a polyisocyanate component and a macropolyol are reacted to synthesize an isocyanate-terminated prepolymer (prepolymer synthesis step).
- the polyisocyanate component and the macropolyol are reacted by a polymerization method such as bulk polymerization or solution polymerization.
- the reaction temperature of the polyisocyanate component and the macropolyol is 50 ° C. or higher, for example, 250 ° C. or lower, preferably 200 ° C. or lower, for example, 0.5 hour or longer in a nitrogen stream.
- the reaction is performed for 15 hours or less.
- a polyisocyanate component and a macropolyol are added to an organic solvent, and the reaction temperature is, for example, 50 ° C. or higher, for example, 120 ° C. or lower, preferably 100 ° C. or lower, for example, 0.5 hour or longer, For example, the reaction is performed for 15 hours or less.
- 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 and organometallic compounds can be added as necessary.
- 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 (stannous octylate), tin oleate, tin laurate, dibutyltin diacetate, dimethyltin dilaurate, dibutyltin dilaurate, dibutyltin dimercaptide, and dibutyltin maleate.
- Organic tin compounds such as dibutyltin dineodecanoate, dioctyltin dimercaptide, dioctyltin dilaurate, dibutyltin dichloride, organic lead compounds such as lead octoate and lead naphthenate, organic nickel such as nickel naphthenate, etc.
- Preferred examples include organic cobalt compounds such as cobalt naphthenate, organic copper compounds such as copper octenoate, and organic bismuth compounds such as bismuth octoate (bismuth octylate) and bismuth neodecanoate. It includes tin octylate, octyl bismuth.
- 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 addition ratio of the urethanization catalyst is, for example, 0.001 part by mass or more, preferably 0.01 part by mass or more, for example, 1 part by mass with respect to the total amount of 10,000 parts by mass of the polyisocyanate component and the macropolyol. Hereinafter, it is preferably 0.5 parts by mass or less.
- the unreacted polyisocyanate component and, when an organic solvent is used, the organic solvent can be removed by a known removing means such as distillation or extraction.
- the mixing ratio of each component is, for example, 1.3 or more, preferably 1, as the equivalent ratio of isocyanate groups in the polyisocyanate component to the hydroxyl groups in the macropolyol (isocyanate group / hydroxyl group). It is 5 or more, for example, 20 or less, preferably 15 or less, more preferably 10 or less, and still more preferably 8 or less.
- the blending ratio of each component in the prepolymer synthesis step is such that the polyisocyanate component is, for example, 10 parts by mass or more, preferably 20 parts by mass or more with respect to 100 parts by mass of the macropolyol. , 200 parts by mass or less, preferably 150 parts by mass or less.
- the isocyanate group content is, for example, 5.0% by mass or more, more preferably 10.0% by mass or more, for example, 30.0% by mass or less, preferably 25.0% by mass or less.
- the above ingredients are allowed to react until reaching Thereby, an isocyanate group terminal prepolymer can be obtained.
- the isocyanate group content (isocyanate group content) can be determined by a known method such as titration with di-n-butylamine or FT-IR analysis.
- the isocyanate group-terminated prepolymer obtained above is subjected to a chain extension reaction (curing reaction) with isosorbide and a C3-8 aliphatic diol to obtain a reaction product of the polyisocyanate component and the polyol component.
- chain extension reaction curing reaction
- isosorbide and C3-8 aliphatic diol are chain extenders.
- the isocyanate group-terminated prepolymer is reacted with isosorbide and C3-8 aliphatic diol by, for example, a polymerization method such as bulk polymerization or solution polymerization described above.
- the blending ratio of each component is the equivalent ratio of isocyanate groups in the isocyanate group-terminated prepolymer (isocyanate groups / hydroxyl groups) to the total amount of hydroxyl groups in isosorbide and hydroxyl groups in the C3-8 aliphatic diol.
- it is 0.75 or more, preferably 0.9 or more, for example 1.3 or less, preferably 1.1 or less.
- the blending ratio of each component in the chain extension step is such that the total amount of isosorbide and C3-8 aliphatic diol is, for example, 1.0 part by mass or more with respect to 100 parts by mass of the isocyanate group-terminated prepolymer.
- it is 2.0 mass parts or more, More preferably, it is 3.0 mass parts or more, for example, 50 mass parts or less, Preferably, it is 40 mass parts or less, More preferably, it is 30 mass parts or less.
- a macropolyol in addition to isosorbide and C3-8 aliphatic diol, a macropolyol can be blended in an appropriate ratio.
- the above urethanization catalyst can be added as necessary.
- the urethanization catalyst can be blended with the isocyanate group-terminated prepolymer, isosorbide and / or C3-8 aliphatic diol, or can be blended separately when mixing them.
- the curing temperature (reaction temperature) in the chain extension step is, for example, room temperature (23 ° C.) or higher, preferably 100 ° C. or higher, more preferably 150 ° C. or higher, for example, 300 ° C. or lower, preferably 260 It is 240 degrees C or less, More preferably, it is 240 degrees C or less.
- reaction time is, for example, 30 minutes or more, preferably 1 hour or more, for example, 48 hours or less, preferably 24 hours or less.
- thermoplastic polyurethane resin having both appearance, transparency, mechanical properties and durability can be obtained.
- the reaction can be completed by performing secondary heating after the above-described curing reaction (primary heating) as necessary.
- the secondary heating temperature is, for example, room temperature (23 ° C.) or more, preferably 50 ° C. or more, more preferably 80 ° C. or more, for example, 200 ° C. or less, preferably 160 ° C. or less, more preferably 140 It is below °C.
- the secondary heating time is, for example, 3 hours or more, preferably 5 hours or more, for example, 72 hours or less, preferably 48 hours or less.
- the chain extension reaction can be completed, the reaction product of the polyisocyanate component and the polyol component can be obtained, and a thermoplastic polyurethane resin can be obtained.
- thermoplastic polyurethane resin can be cured, for example, at room temperature (23 ° C.) to 40 ° C., for example, for 1 to 7 days, if necessary.
- thermoplastic polyurethane resin comprises, as raw material components, a predetermined proportion of 1,4-bis (isocyanatomethyl) cyclohexane, a macropolyol, a predetermined proportion of an aliphatic diol having 3 to 8 carbon atoms and isosorbide. Therefore, it has appearance, transparency, mechanical properties and durability.
- thermoplastic polyurethane resin having both appearance, transparency, mechanical properties and durability can be easily obtained.
- a polyisocyanate component and a polyol component are contained in the polyol component.
- the equivalent ratio of isocyanate groups in the polyisocyanate component to the hydroxyl groups is, for example, 0.9 or more, preferably 0.95 or more, more preferably 0.98 or more, for example, 1. They are mixed and stirred and mixed at a ratio of 2 or less, preferably 1.1 or less, more preferably 1.08 or less.
- the stirring and mixing is performed, for example, in an inert gas (for example, nitrogen) atmosphere at a reaction temperature of, for example, 40 ° C. or more, preferably 100 ° C. or more, for example, 280 ° C. or less, preferably 260 ° C. or less.
- the reaction time is, for example, 30 seconds or longer and 1 hour or shorter.
- the above-mentioned urethanization catalyst and organic solvent can be added at an appropriate ratio, if necessary.
- thermoplastic polyurethane resin can be obtained.
- thermoplastic polyurethane resin can contain a phosphorous acid-based antioxidant, if necessary, in addition to the reaction product of the polyisocyanate component and the polyol component.
- Phosphite antioxidants include, for example, triphenyl phosphite, trisnonylphenyl phosphite, tricresyl phosphite, triethyl phosphite, tris (2-ethylhexyl) phosphite, tridecyl phosphite, trilauryl phosphite.
- phosphorous acid antioxidants can be used alone or in combination of two or more.
- phosphite antioxidant phosphites are preferable, and bis (decyl) pentaerythritol diphosphite is more preferable.
- the phosphorous acid antioxidant may be added to, for example, the polyisocyanate component and / or the polyol component, may be added simultaneously with the blending thereof, and further added after the blending thereof. May be.
- the content ratio of the phosphite antioxidant is, for example, 0.05 parts by mass of the phosphite antioxidant with respect to 100 parts by mass of the reaction product of the polyisocyanate component and the polyol component.
- it is 0.10 mass part or more, More preferably, it is 0.30 mass part or more, for example, 2.0 mass part or less, Preferably, it is 1.0 mass part or less, More preferably, it is 0.00. 8 parts by mass or less.
- thermoplastic polyurethane resin having excellent appearance and transparency, mechanical properties and durability can be obtained.
- the raw material components can contain other known additives as required.
- additives include heat stabilizers, ultraviolet absorbers, light stabilizers, antioxidants (excluding phosphite antioxidants), hydrolysis inhibitors, plasticizers, and blocking agents.
- Inhibitors, release agents, pigments, dyes, lubricants, fillers, rust inhibitors, fillers, and the like can be added. These additives can be added at the time of mixing each component, at the time of synthesis, or after the synthesis.
- the heat stabilizer is not particularly limited, and may be a known heat stabilizer (for example, described in the catalog made by BASF Japan). More specifically, for example, phosphorus-based processing heat stabilizer, lactone-based processing heat stability. Agents, sulfur processing heat stabilizers and the like.
- the ultraviolet absorber is not particularly limited, and includes known ultraviolet absorbers (for example, described in the catalog made by BASF Japan). More specifically, for example, benzotriazole ultraviolet absorbers, triazine ultraviolet absorbers. And benzophenone ultraviolet absorbers.
- the light-resistant stabilizer is not particularly limited, and examples thereof include known light-resistant stabilizers (for example, described in the catalog made by ADEKA), and more specifically, for example, benzoate-based light stabilizers, hindered amine-based light stabilizers, and the like. Can be mentioned.
- the additive may be added to, for example, the polyisocyanate component and / or the polyol component, may be added at the time of blending them, and may be added after blending them. .
- thermoplastic polyurethane resin is used as various molded articles by being molded by a known molding method.
- the molded product of the thermoplastic polyurethane resin is, for example, the above-mentioned thermoplastic polyurethane resin by a known molding method, for example, thermal compression molding and injection molding using a specific mold, or sheet winding.
- a thermoforming method such as melt spinning, for example, pellets, plates, fibers, strands, films, sheets, pipes, hollows, boxes, etc. It can be obtained by molding into various shapes.
- the obtained molded product can have appearance, transparency, mechanical properties and durability. Therefore, the molded product can be suitably used in the fields where the above various physical properties are required.
- thermoplastic polyurethane resin is preferably used in an optical polyurethane resin.
- the optical polyurethane resin containing the thermoplastic polyurethane resin described above has the appearance, transparency, mechanical properties and durability, and therefore satisfies the desired optical characteristics and is also excellent in practicality.
- the optical polyurethane resin is suitably used as a display panel cover plate, for example.
- Examples of the display panel include display panels of various information processing terminals such as smart devices (smart phones, tablet computers (tablet PCs), slate computers (slate PCs), etc.), tower computers, and notebook computers. These display panels are usually provided with an image display panel such as a liquid crystal panel, and in order to protect the image display panel, a translucent cover plate (display panel cover plate) is provided on the surface of the image display panel. Are stacked.
- Such a display panel cover plate is required to have excellent appearance, transparency, mechanical properties and durability. Therefore, the molded product of the above-described optical polyurethane resin is suitable as a display panel cover plate.
- the display cover plate obtained by using the above-described optical polyurethane resin has excellent appearance, transparency, mechanical properties and durability.
- thermoplastic polyurethane resin is suitably used as an eyewear material, for example.
- the eyewear material is a material for forming an eyewear lens, an eyewear frame, and the like in eyewear such as correction glasses, protective glasses, sunglasses, and goggles.
- the eyewear lens and eyewear frame may be required to have excellent appearance, transparency, mechanical properties, and durability.
- thermoplastic polyurethane resin described above is suitably used as an eyewear material, and the molded product of the thermoplastic polyurethane is suitably used as an eyewear lens, an eyewear frame or the like.
- the eyewear material containing the thermoplastic polyurethane resin is formed into a lens shape by a known method to form a lens body. Thereafter, a hard coat layer and / or an antireflection layer is preferably laminated on at least one surface of the lens body. Thereby, an eyewear lens is obtained.
- the hard coat layer may have a known configuration, and examples thereof include a Si coat layer containing silicon oxide, trimethoxymethylsilane, and a hydrolyzate thereof.
- the antireflection layer may have a known configuration, and examples thereof include a metal vapor deposition layer of metal oxide (silicon oxide, zirconium oxide, etc.). Each of the hard coat layer and the antireflection layer may be a single layer or a multilayer.
- the eyewear material including the thermoplastic polyurethane resin is formed into each part shape of the eyewear frame by a known method.
- the parts of the eyewear frame include, for example, a lens, a nose pad (nose pad part), a modern (ear pad part), a temple (slip part), a rim (lens peripheral part), a bridge (rim connecting part), and an armor (front). End portions), hinges (connection portions between armor and temple), and the like.
- the eyewear frame and eyewear lens contain the thermoplastic polyurethane resin described above, the eyewear frame and eyewear lens combine appearance, transparency, mechanical properties, and durability.
- thermoplastic polyurethane resin is suitably used as an automotive interior / exterior material part.
- automobile interior / exterior materials examples include known automobile interior / exterior materials such as automobile bumpers, headlamps, tail lamps, instrument panels, shift levers, and handles.
- thermoplastic polyurethane resin is suitably used as a part for automobile interior and exterior materials.
- thermoplastic polyurethane resin is molded into various shapes of automotive interior / exterior material parts by a known method. As a result, an automotive interior / exterior material part is obtained.
- Such automotive interior / exterior parts include the thermoplastic polyurethane resin described above, and thus have appearance, transparency, mechanical properties, and durability.
- thermoplastic polyurethane resin can be widely used industrially.
- transparent hard plastic coating material, adhesive, adhesive, waterproofing material, etc. , Potting agents, inks, binders, films, sheets, bands (for example, bands such as watch bands, such as belts for automobile transmission belts, various industrial conveyor belts, etc.), tubes (for example, medical tubes)
- tubes for example, medical tubes
- parts such as catheters, air tubes, hydraulic tubes, tubes such as electric wire tubes, for example, hoses such as fire hoses), blades, speakers, sensors, LED sealants for high brightness, organic EL members, sunlight Power generation member, robot member, android member, wearable member, clothing article, sanitary article, cosmetics , Food packaging materials, sporting goods, leisure goods, medical supplies, nursing care products, housing materials, acoustic materials, lighting materials, chandeliers, outdoor lights, sealing materials, sealing materials, cork, packing, anti-vibration / damping / isolation Members, soundproofing members
- the above-mentioned molded products include coating materials (films, sheets, belts, wires, electric wires, metal rotating devices, wheels, drills, etc.), yarns and fibers (tubes, tights, spats, sportswear, Threads and composite fibers used in swimwear, etc.), extrusion applications (extrusion applications such as tennis and badminton guts and their converging materials), slush molding products in powder form by micropelletization, artificial leather, skin, Covers or core materials (golf balls, basketballs, tennis balls, volleyballs, softballs, bats, etc.) or core materials such as sheets, coating rolls (coating rolls such as steel), sealants, rollers, gears, balls, bats
- the form which carried out the foaming molding of the thermoplastic polyurethane resin may be sufficient.
- 1,4-bis (isocyanatomethyl) cyclohexane (1,4-H 6 XDI)> Production Example 1 Production Method of 1,4-Bis (isocyanatomethyl) cyclohexane (1) (hereinafter referred to as 1,4-BIC (1)) Conforms to the description of Production Example 6 of JP 2014-55229 A As a result, 1,4-bis (aminomethyl) cyclohexane having a purity of 99.5% or more and a trans isomer / cis isomer ratio of 98/2 was obtained in a yield of 92%.
- the purity of the obtained 1,4-BIC (1) as measured by gas chromatography was 99.9%, and the trans isomer / cis isomer ratio as determined by 13 C-NMR was 98/2.
- 1,4-BIC (2) 1,4-Bis (isocyanatomethyl) cyclohexane (2)
- 1,4-BIC (2) 1,4-Bis (isocyanatomethyl) cyclohexane (2)
- a stirrer, a thermometer, a reflux tube, and a nitrogen introduction tube The prepared four-necked flask was charged with 789 parts by mass of 1,4-BIC (1) of Production Example 1 and 211 parts by mass of 1,4-BIC (4) of Production Example 4 to be described later under a nitrogen atmosphere. And stirred at room temperature for 1 hour.
- the purity of the obtained 1,4-BIC (2) as measured by gas chromatography was 99.9%, and the trans / cis ratio as determined by 13 C-NMR was 86/14.
- 1,4-BIC (3) Production Method of 1,4-Bis (isocyanatomethyl) cyclohexane (3) (hereinafter referred to as 1,4-BIC (3))
- 1,4-BIC (3) A stirrer, a thermometer, a reflux tube, and a nitrogen introduction tube
- the prepared four-necked flask was charged with 474 parts by mass of 1,4-BIC (1) of Production Example 1 and 526 parts by mass of 1,4-BIC (4) of Production Example 4 to be described later, and was placed in a nitrogen atmosphere. And stirred at room temperature for 1 hour.
- the purity of the obtained 1,4-BIC (3) as measured by gas chromatography was 99.9%, and the trans / cis ratio as determined by 13 C-NMR was 68/32.
- 1,4-Bis (isocyanatomethyl) cyclohexane (4) (hereinafter referred to as 1,4-BIC (4)) 13
- the trans isomer / cis isomer ratio determined by C-NMR measurement was 41 / 59, 1,4-bis (aminomethyl) cyclohexane (manufactured by Tokyo Chemical Industry Co., Ltd.) as a raw material, in accordance with the description in Production Example 1 of JP2014-55229A, 388 parts by mass of 1,4-BIC (4) was obtained.
- the purity of the obtained 1,4-BIC (4) as measured by gas chromatography was 99.9%, and the trans isomer / cis isomer ratio as determined by 13 C-NMR was 41/59.
- Example 1 In a four-necked flask equipped with a stirrer, a thermometer, a reflux tube and a nitrogen introduction tube, PTG1000SN (P) (Hodogaya Chemical Co., Ltd., polytetramethylene ether glycol using biomass raw material, number average molecular weight 1000) 51 parts by mass were charged, and then 41.89 parts by mass of 1,4-BIC (2) having a trans / cis ratio of 86/14 so that the equivalent ratio (NCO / OH) was 6.50. I was charged. And it was made to react until an isocyanate group content became 20.32 mass%, and the isocyanate group terminal prepolymer (henceforth abbreviated as prepolymer) was obtained.
- PTG1000SN P
- 1,4-BIC (2) having a trans / cis ratio of 86/14 so that the equivalent ratio (NCO / OH) was 6.50.
- the mixture was sufficiently stirred for about 10 minutes until the whole became uniform. After the stirring was stopped, the uniformity of the reaction mixture was confirmed, and then the Teflon (SUS) on the SUS (stainless steel) pad that had been temperature-controlled at 180 ° C.
- the reaction mixture was poured into a (registered trademark) sheet and reacted at 180 ° C. for 2 hours and then at 100 ° C. for 20 hours to obtain a thermoplastic polyurethane resin.
- thermoplastic polyurethane resin was removed from the vat and cured under constant temperature and humidity conditions of room temperature 23 ° C. and relative humidity 50% for 3 days.
- thermoplastic polyurethane 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
- a strand was extruded at a cylinder temperature in the range of 185 to 250 ° C. and cut to obtain thermoplastic polyurethane pellets.
- the obtained pellets were further dried overnight at 80 ° C. under a nitrogen stream.
- pellets are injection molded at a cylinder temperature of 185 to 250 ° C. and a nozzle temperature of 185 to 245 ° C., and a sheet of thermoplastic polyurethane resin (Thickness 2.0 mm), lens body (thickness 2.0 mm, diameter 75 mm, plano, 4 curve) and block (10 cm ⁇ 10 cm ⁇ thickness 12 mm) were obtained.
- a hard coat layer and an antireflection layer were laminated on the lens body by the following treatment.
- the lens body was annealed at 120 ° C. for 3 hours, then washed with a 10% aqueous sodium hydroxide solution at 50 ° C. for 10 minutes in an ultrasonic cleaning tank, and then washed with isopropanol.
- the surface was dried with
- the lens body was immersed in a hard coat composition containing silicon oxide, trimethoxymethylsilane and a hydrolyzate thereof, and pulled up at a speed of 150 mm / min. Thereafter, the hard coat composition was preheated at 80 ° C. for 10 minutes and then heated at 120 ° C. for 6 hours to be cured. As a result, a hard coat layer was formed on the surface of the lens body.
- an eyewear lens provided with a lens body, a hard coat layer, and an antireflection layer was obtained.
- Example 2 PTG1000SN (P) of Example 1 was changed to 33.51 parts by mass and 1,4-BIC (2) to 42.20 parts by mass, and the molar ratio of isosorbide and 1,4-butanediol (isosorbide: 1,4 A thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that -BD) was changed to 75:25, and sheets, blocks, and eyewear lenses were molded.
- Example 1 The PTG1000SN (P) of Example 1 was changed to 33.51 parts by mass and 1,4-BIC (2) was changed to 43.27 parts by mass, and the molar ratio of isosorbide and 1,4-butanediol (isosorbide: 1,4 A thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that -BD) was changed to 58:42, and sheets, blocks, and eyewear lenses were molded.
- Comparative Example 5 The PTG1000SN (P) of Example 1 was changed to 33.51 parts by mass, 1,4-BIC (2) was changed to 40.73 parts by mass, and the mixture of isosorbide and 1,4-butanediol was replaced with 25 parts of isosorbide.
- a thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that .76 parts by mass was used, and a sheet, a block, and an eyewear lens were molded.
- Example 3 The PTG1000SN (P) of Example 1 was changed to 33.51 parts by mass, and instead of 1,4-BIC (2), 1,4-BIC (1) 41.89 having a trans / cis ratio of 98/2 was used.
- a thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that the parts by mass were used, and a sheet, a block, and an eyewear lens were molded.
- Example 4 The PTG1000SN (P) of Example 1 was changed to 33.51 parts by mass, and instead of 1,4-BIC (2), 1,4-BIC (3) 41.89 having a trans / cis ratio of 68/32 was used.
- a thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that the parts by mass were used, and a sheet, a block, and an eyewear lens were molded.
- a polyurethane resin was produced, and sheets, blocks, and eyewear lenses were molded.
- CHDM-D 4-cyclohexanedimethanol
- Example 9 The PTG1000SN (P) of Example 1 was changed to 33.51 parts by mass and 1,4-BIC (2) was changed to 41.30 parts by mass, and the molar ratio of isosorbide and 1,4-butanediol (isosorbide: 1,4 A thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that -BD) was changed to 90:10, and sheets, blocks, and eyewear lenses were molded.
- Example 10 The PTG1000SN (P) of Example 1 was changed to 33.51 parts by mass and 1,4-BIC (2) was changed to 43.14 parts by mass, and the molar ratio of isosorbide and 1,4-butanediol (isosorbide: 1,4 A thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that -BD) was changed to 60:40, and sheets, blocks, and eyewear lenses were molded.
- a thermoplastic polyurethane resin was produced, and a sheet, a block and an eyewear lens were molded.
- Example 12 instead of PTG1000SN (P) of Example 1, PTG1000SN (P) 12.04 parts by mass and PTG2000SN (P) (Hodogaya Chemical Co., Ltd., polytetramethylene ether glycol using biomass raw material, number average molecular weight 2000)
- a thermoplastic polyurethane resin was used in the same manner as in Example 1 except that a mixture (1: 1 by molar ratio) with 23.30 parts by mass was used and 1,4-BIC (2) was changed to 40.06 parts by mass. And molded sheets, blocks and eyewear lenses.
- Example 13 PTG1000SN (P) of Example 1 was changed to 33.51 parts by mass of PO3GH1000 (manufactured by ALLESSA, poly (trimethylene) ether glycol, number average molecular weight 1000), and 41.89 masses of 1,4-BIC (2).
- a thermoplastic polyurethane resin was produced in the same manner as in Example 1 except for changing to parts, and a sheet, a block, and an eyewear lens were molded.
- Example 14 PTG1000SN (P) of Example 1 was changed to 33.47 parts by mass of PLACEL 210N (manufactured by Daicel, polycaprolactone diol, number average molecular weight 1000), and 1,4-BIC (2) was changed to 41.94 parts by mass. Except for the change, a thermoplastic polyurethane resin was produced in the same manner as in Example 1, and a sheet, a block, and an eyewear lens were molded.
- Example 15 The PTG1000SN (P) of Example 1 was changed to 33.52 parts by mass of UH-100 (manufactured by Ube Industries, polycarbonate diol, number average molecular weight 1000), and 41.88 parts by mass of 1,4-BIC (2).
- a thermoplastic polyurethane resin was produced in the same manner as in Example 1, except that the sheet, block, and eyewear lens were molded.
- Example 16 A thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that JPE-10 in Example 1 was changed to 0.08 parts by mass, and a sheet, a block, and an eyewear lens were molded.
- Example 17 A thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that JPE-10 in Example 1 was changed to 1.50 parts by mass, and sheets, blocks, and eyewear lenses were molded.
- HDI hexamethylene diisocyanate
- Example 19 A thermoplastic polyurethane resin was produced in the same manner as in Example 1 except that the raw material components of the formulation of Example 1 were reacted by a known one-shot method, and sheets, blocks, and eyewear lenses were molded. .
- Example 20 In the method of Example 1, the reaction mixture was poured into a Teflon (registered trademark) sheet and then reacted at 100 ° C. for 2 hours and then at 100 ° C. for 20 hours. A thermoplastic polyurethane resin was produced, and sheets, blocks and eyewear lenses were molded.
- Teflon registered trademark
- Example 21 In the method of Example 1, the reaction mixture was poured into a Teflon (registered trademark) sheet and then reacted at 280 ° C. for 2 hours and then at 100 ° C. for 20 hours. A thermoplastic polyurethane resin was produced, and sheets, blocks and eyewear lenses were molded.
- Teflon registered trademark
- thermoplastic polyurethane resin sheets, blocks, and eyewear lenses obtained in each Example and each Comparative Example were evaluated as follows. The results are shown in Tables 1 to 3.
- Tables 1 to 3 also show the formulation (molar basis) in each example and each comparative example.
- Nichiban tape (Nichiban CT-408AP-18) was applied to the grid, and peeling was repeated 5 times.
- the eyewear lenses obtained in each example and each comparative example were fixed to a 40 mm diameter cradle according to JIS K7211-2 (2006), and a striker with a diameter of 20 mm was 4.4 m / mm.
- the fracture energy (J) generated at the time of impact was measured by abutting and penetrating at a speed of seconds. The above test was repeated three times, and the fracture energy was calculated as the average value.
- 1,4-BIC (1) 1,4-bis (isocyanatomethyl) cyclohexane of Preparation Example 1 (trans isomer / cis isomer ratio is 98/2)
- 1,4-BIC (2) 1,4-bis (isocyanatomethyl) cyclohexane of Preparation Example 2 (trans / cis ratio is 86/14)
- 1,4-BIC (3) 1,4-bis (isocyanatomethyl) cyclohexane of Production Example 3 (trans isomer / cis isomer ratio is 68/32)
- HDI hexamethylene diisocyanate, manufactured by Mitsui Chemicals, trade name Takenate 700
- NBDI diisocyanatomethylbicyclo [2,2,1] -heptane
- PTG1000SN P
- P polytetramethylene ether glycol
- thermoplastic polyurethane resin and optical polyurethane resin of the present invention are suitably used in display panel cover plates, eyewear materials, eyewear lenses, eyewear frames, automotive interior and exterior parts, and the like.
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Abstract
Description
アイウェアフレームのパーツとしては、例えば、レンズ、ノーズパッド(鼻あて部分)、モダン(耳あて部分)、テンプル(つる部分)、リム(レンズ周辺部分)、ブリッジ(リム接続部分)、ヨロイ(フロント両端部分)、ヒンジ(ヨロイとテンプルとの接続部分)などが挙げられる。
<1,4-ビス(イソシアナトメチル)シクロヘキサン(1,4-H6XDI)の製造>
製造例1 1,4-ビス(イソシアナトメチル)シクロヘキサン(1)(以下、1,4-BIC(1)とする。)の製造方法
特開2014-55229号公報の製造例6の記載に準拠して、純度99.5%以上のトランス体/シス体比98/2の1,4-ビス(アミノメチル)シクロヘキサンを92%の収率で得た。
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、製造例1の1,4-BIC(1)を789質量部、後述の製造例4の1,4-BIC(4)を211質量部装入し、窒素雰囲気下、室温にて1時間撹拌した。得られた1,4-BIC(2)のガスクロマトグラフィー測定による純度は99.9%、13C-NMR測定によるトランス/シス比は86/14であった。
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、製造例1の1,4-BIC(1)を474質量部、後述の製造例4の1,4-BIC(4)を526質量部装入し、窒素雰囲気下、室温にて1時間撹拌した。得られた1,4-BIC(3)のガスクロマトグラフィー測定による純度は99.9%、13C-NMR測定によるトランス/シス比は68/32であった。
13C-NMR測定によるトランス体/シス体比が41/59の1,4-ビス(アミノメチル)シクロヘキサン(東京化成工業社製)を原料として、特開2014-55229号公報の製造例1の記載に準拠して、388質量部の1,4-BIC(4)を得た。
実施例1
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、PTG1000SN(P)(保土ヶ谷化学工業社製、バイオマス原料を用いたポリテトラメチレンエーテルグリコール、数平均分子量1000)33.51質量部を装入し、次いで、当量比(NCO/OH)が6.50になるように、トランス/シス比が86/14である1,4-BIC(2) 41.89質量部を装入した。そして、イソシアネート基含量が20.32質量%になるまで反応させ、イソシアネート基末端プレポリマー(以下、プレポリマーと略する場合がある。)を得た。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を42.20質量部に変更し、イソソルビドおよび1,4-ブタンジオールのモル比(イソソルビド:1,4-BD)を75:25に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を43.27質量部に変更し、イソソルビドおよび1,4-ブタンジオールのモル比(イソソルビド:1,4-BD)を58:42に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を40.90質量部に変更し、イソソルビドおよび1,4-ブタンジオールのモル比(イソソルビド:1,4-BD)を97:3に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を32.21質量部に変更し、1,4-BIC(2)に代えて、1,4-BIC(2)16.66質量部およびジイソシアナトメチルビシクロ〔2,2,1〕-ヘプタン(NBDI、三井化学社製)26.53質量部の混合物(1,4-BIC:NBDI=40:60(モル比))を用いた以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を42.06質量部に変更し、イソソルビドおよび1,4-ブタンジオールの混合物に代えて、1,4-シクロヘキサンジメタノール(長瀬産業社製、CHDM-D)および1,4-ブタンジオールの混合物(CHDM-D:1,4-BD=80:20(モル比))を用いた以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を40.73質量部に変更し、イソソルビドおよび1,4-ブタンジオールの混合物に代えて、イソソルビドを25.76質量部用いた以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部に変更し、1,4-BIC(2)に代えて、トランス/シス比が98/2の1,4-BIC(1)41.89質量部を用いた以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部に変更し、1,4-BIC(2)に代えて、トランス/シス比が68/32の1,4-BIC(3)41.89質量部を用いた以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を41.59質量部に変更し、イソソルビドおよび1,4-ブタンジオールの混合物に代えて、イソソルビドおよび1,5-ペンタンジオール(1,5-PeD 宇部興産社製)の混合物(イソソルビド:1,5-PeD=80:20(モル比))に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を41.89質量部に変更し、イソソルビドおよび1,4-ブタンジオールの混合物に代えて、イソソルビドおよび1,3-ブタンジオール(1,3-BD和光純薬工業製)の混合物(イソソルビド:1,3-BD=80:20(モル比))に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を42.20質量部に変更し、イソソルビドおよび1,4-ブタンジオールの混合物に代えて、イソソルビドおよび1,3-プロパンジオール(1,3-PrD、デュポン社製、Susterra、登録商標、バイオマス原料を用いた1,3-プロパンジオール)の混合物(イソソルビド:1,3-PrD=80:20(モル比))に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を40.77質量部に変更し、イソソルビドおよび1,4-ブタンジオールの混合物に代えて、イソソルビドおよび1,4-シクロヘキサンジメタノール(長瀬産業社製、CHDM-D)の混合物(イソソルビド:CHDM-D=80:20(モル比))に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を41.30質量部に変更し、イソソルビドおよび1,4-ブタンジオールのモル比(イソソルビド:1,4-BD)を90:10に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を43.14質量部に変更し、イソソルビドおよび1,4-ブタンジオールのモル比(イソソルビド:1,4-BD)を60:40に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を41.30質量部に変更し、イソソルビドおよび1,4-ブタンジオールの混合物に代えて、イソソルビドおよび1,6-ヘキサンジオール(1,6-HD、和光純薬工業社製)の混合物(イソソルビド:1,6-HD=80:20(モル比))に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を33.51質量部、1,4-BIC(2)を42.51質量部に変更し、イソソルビドおよび1,4-ブタンジオールの混合物に代えて、イソソルビドおよび1,2-エチレングリコール(1,2-ED、和光純薬工業社製)の混合物(イソソルビド:1,2-ED=80:20(モル比))に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)に代えて、PTG1000SN(P)12.04質量部と、PTG2000SN(P)(保土ヶ谷化学工業社製、バイオマス原料を用いたポリテトラメチレンエーテルグリコール、数平均分子量2000)23.30質量部との混合物(モル比で1:1)を用い、1,4-BIC(2)を40.06質量部に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を、PO3G H1000(ALLESSA製、ポリ(トリメチレン)エーテルグリコール、数平均分子量1000)33.51質量部に変更し、1,4-BIC(2)を41.89質量部に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を、PLACCEL 210N(ダイセル社製、ポリカプロラクトンジオール、数平均分子量1000)33.47質量部に変更し、1,4-BIC(2)を41.94質量部に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を、UH-100(宇部興産社製、ポリカーボネートジオール、数平均分子量1000)33.52質量部に変更し、1,4-BIC(2)を41.88質量部に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のJPE-10を0.08質量部に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のJPE-10を1.50質量部に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1のPTG1000SN(P)を35.41質量部に変更し、1,4-BIC(2)に代えて、1,4-BIC(2)25.36質量部およびヘキサメチレンジイソシアネート(HDI、三井化学社製、商品名タケネート700)14.64質量部の混合(1,4-BIC:HDI=60:40(モル比))に変更した以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1の処方の原料成分を、公知の方法であるワンショット法で反応させた以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1の方法において、テフロン(登録商標)シートに反応混合液を流し込んだ後、100℃にて2時間、次いで、100℃にて20時間反応させた以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
実施例1の方法において、テフロン(登録商標)シートに反応混合液を流し込んだ後、280℃にて2時間、次いで、100℃にて20時間反応させた以外は、実施例1と同様にして熱可塑性ポリウレタン樹脂を製造し、シート、ブロックおよびアイウェアレンズを成形した。
各実施例および各比較例で得られた熱可塑性ポリウレタン樹脂のシート、ブロックおよびアイウェアレンズについて、以下の通り評価した。その結果を、表1~表3に示す。
各実施例および各比較例で得られたシートを目視で確認し、濁り、着色、ブルーム、ブリードの有無を確認した。これらの外観不良がないものについては「3」、やや不良があるものについては「2」、著しい不良があるものは「1」とした。
測定機器として、日本電色工業社製 HAZE METER NDH-5000を使用し、各実施例および各比較例で得られたシートの透過率およびヘイズを測定した。
JIS K7311(1995)に従って、各実施例および各比較例で得られたブロックに、ASKER D硬度計を水平に押し付け、15秒後の針の安定値を読み取った。
各実施例および各比較例で得られたシートを、JIS K7110(1999)のノッチ有(A法)に適したダンベルで打ち抜き、23℃にてアイゾッド試験を実施した。
各実施例および各比較例で得られたシートから、巾10mmの短冊状の試験片を切り出し、動的粘弾性測定装置(アイティー計測制御社製、型式:DVA-220)を用いて、測定開始温度-100℃、昇温速度5℃/min、引張モード、標線間長20mm、静/動応力比1.8、測定周波数10Hzの条件で、動的粘弾性スペクトルを測定した。そして、70℃における貯蔵弾性率E’を測定した。
各実施例および各比較例で得られたシートから、ダンベルを用いて、74.4mmx66.5mmの各板を打ち抜き、片面にニベアクリーム(商品名、ニベア花王社製)を0.5g塗布した後、80℃に加熱したオーブン内に24時間保温した。
各実施例および各比較例で得られたシートから、ダンベルを用いて、直径30mmの円板を打ち抜き、室温のイソプロピルアルコールに5日間浸漬した。イソプロピルアルコールから取り出し後、円板表面をウエスなどで拭き取り、外観の変化を確認した。
各実施例および各比較例で得られたレンズ本体の屈折率およびアッベ数を、プルフリッヒ屈折計を用い、20℃で測定した。
各実施例および各比較例で得られたレンズ本体を目視で確認し、濁り、着色、ブルーム、ブリードの有無を確認した。
各実施例および各比較例で得られたアイウェアレンズにおいて、レンズ本体、ハードコート層および反射防止層の密着性を、以下の通り評価した。
島津製作所製自動落錘衝撃試験機「HYDROSHOT」(型式HITS-P10)を用いて、アイウェアレンズの耐高速衝撃性を評価した。
1,4-BIC(1):製造例1の1,4-ビス(イソシアナトメチル)シクロヘキサン(トランス体/シス体比は98/2)
1,4-BIC(2):製造例2の1,4-ビス(イソシアナトメチル)シクロヘキサン(トランス体/シス体比は86/14)
1,4-BIC(3):製造例3の1,4-ビス(イソシアナトメチル)シクロヘキサン(トランス体/シス体比は68/32)
HDI:ヘキサメチレンジイソシアネート、三井化学社製、商品名タケネート700
NBDI:ジイソシアナトメチルビシクロ〔2,2,1〕-ヘプタン、三井化学社製
PTG1000SN(P):保土ヶ谷化学工業社製、バイオマス原料を用いたポリテトラメチレンエーテルグリコール(PTMEG)、数平均分子量1000
PTG2000SN(P):保土ヶ谷化学工業社製、バイオマス原料を用いたポリテトラメチレンエーテルグリコール(PTMEG)、数平均分子量2000
PO3G H1000:ALLESSA製、ポリ(トリメチレン)エーテルグリコール、数平均分子量1000)
PLACCEL 210N:ダイセル社製、ポリカプロラクトンジオール(PCL)、数平均分子量1000
UH-100:宇部興産社製、ポリカーボネートジオール(PCD)、数平均分子量1000)
CHDM:シクロヘキサンジメタノール
1,4-BD:1,4-ブタンジオール
1,5-PeD:1,5-ペンタンジオール
1,6-HD:1,6-ヘキサンジオール
1,3-BD:1,3-ブタンジオール
1,3-PrD:1,3-プロパンジオール
1,2-EG:1,2-エチレングリコール
Claims (14)
- イソシアネート基の総モル数に対して1,4-ビス(イソシアナトメチル)シクロヘキサンのイソシアネート基を50モル%以上の割合で含有するポリイソシアネート成分と、
マクロポリオール、イソソルビド、および、炭素数3~8の脂肪族ジオールを含むポリオール成分と
の反応生成物を含み、
前記イソソルビドおよび前記脂肪族ジオールの総モル数に対して、前記イソソルビドの含有割合が60モル%以上95モル%以下である
ことを特徴とする、熱可塑性ポリウレタン樹脂。 - 前記1,4-ビス(イソシアナトメチル)シクロヘキサンが、トランス-1,4-ビス(イソシアナトメチル)シクロヘキサンを70モル%以上95モル%以下の割合で含有する
ことを特徴とする、請求項1に記載の熱可塑性ポリウレタン樹脂。 - 前記脂肪族ジオールが、
炭素数3~5の直鎖状アルカンジオールおよび/または炭素数6~8の環状アルカンジオールである
ことを特徴とする、請求項1に記載の熱可塑性ポリウレタン樹脂。 - 前記マクロポリオールが、数平均分子量600以上1300以下のポリオキシ直鎖状アルキレン(炭素数2~4)ポリオールを含む
ことを特徴とする、請求項1に記載の熱可塑性ポリウレタン樹脂。 - 前記反応生成物100質量部に対して、亜リン酸系酸化防止剤を、0.1~0.8質量部の割合で含有する
ことを特徴とする、請求項1に記載の熱可塑性ポリウレタン樹脂。 - 請求項1に記載の熱可塑性ポリウレタン樹脂を含む
ことを特徴とする、光学用ポリウレタン樹脂。 - スマートデバイスのディスプレイパネルのカバー板であり、
請求項6に記載の光学用ポリウレタン樹脂を含む
ことを特徴とする、ディスプレイパネル用カバー板。 - 請求項1に記載の熱可塑性ポリウレタン樹脂を含む
ことを特徴とする、アイウェア材料。 - 請求項8に記載のアイウェア材料を含む
ことを特徴とする、アイウェアレンズ。 - 前記アイウェア材料を含むレンズ本体と、
前記レンズ本体の少なくとも一方面に形成されるハードコート層および/または反射防止層と
を備えることを特徴とする、請求項9に記載のアイウェアレンズ。 - 請求項8に記載のアイウェア材料を含む
ことを特徴とする、アイウェアフレーム。 - 請求項1に記載の熱可塑性ポリウレタン樹脂を含む
ことを特徴とする、自動車内外装材用部品。 - イソシアネート基の総モル数に対して1,4-ビス(イソシアナトメチル)シクロヘキサンのイソシアネート基を50モル%以上の割合で含有するポリイソシアネート成分と、
マクロポリオールとを少なくとも反応させ、イソシアネート基末端プレポリマーを得るプレポリマー合成工程と、
前記イソシアネート基末端プレポリマーと、イソソルビド、および、炭素数3~8の脂肪族ジオールとを少なくとも反応および硬化させ、熱可塑性ポリウレタン樹脂を得る鎖伸長工程と
を備えることを特徴とする、熱可塑性ポリウレタン樹脂の製造方法。 - 前記鎖伸長工程における硬化温度が、150℃以上240℃以下である
ことを特徴とする、請求項13に記載の熱可塑性ポリウレタン樹脂の製造方法。
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JP7057858B1 (ja) | 2021-09-22 | 2022-04-20 | 三井化学株式会社 | ポリウレタン樹脂の製造方法、および、ポリウレタン樹脂 |
WO2022260101A1 (ja) * | 2021-06-09 | 2022-12-15 | 東ソー株式会社 | ウレタン樹脂形成性組成物、接着剤、硬化物、及び硬化物の製造方法 |
WO2023140229A1 (ja) * | 2022-01-18 | 2023-07-27 | 三井化学株式会社 | プレポリマー組成物、ポリウレタン樹脂、弾性成形品、および、プレポリマー組成物の製造方法 |
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WO2020236855A1 (en) * | 2019-05-20 | 2020-11-26 | Basf Se | Improved thermoplastic polyurethanes |
CN113093313A (zh) * | 2021-04-13 | 2021-07-09 | 杭州安誉科技有限公司 | 光学透镜、其制备方法及其在分叉光纤装置中的应用 |
CN113444220B (zh) * | 2021-06-25 | 2022-03-04 | 宁波昌亚新材料科技股份有限公司 | 一种异山梨醇基抗菌型自愈合聚氨酯及其制备方法与应用 |
WO2024064070A1 (en) * | 2022-09-22 | 2024-03-28 | Lubrizol Advanced Materials, Inc. | Non-softening thermoplastic polyurethanes |
WO2024151543A2 (en) * | 2023-01-13 | 2024-07-18 | Abbott Diabetes Care Inc. | Biosensors with hydrophilic polyurethane membranes |
KR102623531B1 (ko) * | 2023-03-17 | 2024-01-12 | 에스케이엔펄스 주식회사 | 연마패드 및 이의 제조방법 |
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JP7268015B2 (ja) | 2023-05-02 |
EP3805287A4 (en) | 2022-03-02 |
US20210079216A1 (en) | 2021-03-18 |
KR20200143472A (ko) | 2020-12-23 |
KR102577971B1 (ko) | 2023-09-12 |
JP2023059934A (ja) | 2023-04-27 |
CN112424252B (zh) | 2023-04-21 |
EP3805287B1 (en) | 2024-01-10 |
CN112424252A (zh) | 2021-02-26 |
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JPWO2019230541A1 (ja) | 2021-07-08 |
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