WO2019084754A1 - Curable compositions containing thiol compounds - Google Patents
Curable compositions containing thiol compounds Download PDFInfo
- Publication number
- WO2019084754A1 WO2019084754A1 PCT/CN2017/108523 CN2017108523W WO2019084754A1 WO 2019084754 A1 WO2019084754 A1 WO 2019084754A1 CN 2017108523 W CN2017108523 W CN 2017108523W WO 2019084754 A1 WO2019084754 A1 WO 2019084754A1
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- WO
- WIPO (PCT)
- Prior art keywords
- oligomer
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- functional
- meth
- monomer
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 79
- -1 thiol compounds Chemical class 0.000 title claims description 11
- 239000000178 monomer Substances 0.000 claims abstract description 33
- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 125000000524 functional group Chemical group 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 17
- 229920006295 polythiol Polymers 0.000 claims abstract description 17
- 239000000853 adhesive Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims abstract description 12
- 239000000976 ink Substances 0.000 claims abstract description 11
- 230000005693 optoelectronics Effects 0.000 claims abstract description 9
- 125000003396 thiol group Chemical group [H]S* 0.000 claims abstract description 8
- 239000002966 varnish Substances 0.000 claims abstract description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 18
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 17
- JSNRRGGBADWTMC-UHFFFAOYSA-N (6E)-7,11-dimethyl-3-methylene-1,6,10-dodecatriene Chemical compound CC(C)=CCCC(C)=CCCC(=C)C=C JSNRRGGBADWTMC-UHFFFAOYSA-N 0.000 claims description 14
- 239000003085 diluting agent Substances 0.000 claims description 10
- 125000000746 allylic group Chemical group 0.000 claims description 9
- CXENHBSYCFFKJS-UHFFFAOYSA-N (3E,6E)-3,7,11-Trimethyl-1,3,6,10-dodecatetraene Natural products CC(C)=CCCC(C)=CCC=C(C)C=C CXENHBSYCFFKJS-UHFFFAOYSA-N 0.000 claims description 8
- OXBLVCZKDOZZOJ-UHFFFAOYSA-N 2,3-Dihydrothiophene Chemical compound C1CC=CS1 OXBLVCZKDOZZOJ-UHFFFAOYSA-N 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 239000012788 optical film Substances 0.000 claims description 7
- 229920005862 polyol Polymers 0.000 claims description 7
- 150000003077 polyols Chemical class 0.000 claims description 7
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 6
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 150000002009 diols Chemical class 0.000 claims description 5
- 239000005062 Polybutadiene Substances 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- VTLHIRNKQSFSJS-UHFFFAOYSA-N [3-(3-sulfanylbutanoyloxy)-2,2-bis(3-sulfanylbutanoyloxymethyl)propyl] 3-sulfanylbutanoate Chemical group CC(S)CC(=O)OCC(COC(=O)CC(C)S)(COC(=O)CC(C)S)COC(=O)CC(C)S VTLHIRNKQSFSJS-UHFFFAOYSA-N 0.000 claims description 4
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 229920001400 block copolymer Polymers 0.000 claims description 3
- 229930009668 farnesene Natural products 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 229920005604 random copolymer Polymers 0.000 claims description 3
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 claims description 2
- JFGQINNURKBEIZ-UHFFFAOYSA-N CC(S)CC(O)=O.CC(S)CC(O)=O.CC(S)CC(O)=O.CC(S)CC(O)=O.CC(S)CC(O)=O.CC(S)CC(O)=O.OCC(CO)(CO)CO.OCC(CO)(CO)CO Chemical compound CC(S)CC(O)=O.CC(S)CC(O)=O.CC(S)CC(O)=O.CC(S)CC(O)=O.CC(S)CC(O)=O.CC(S)CC(O)=O.OCC(CO)(CO)CO.OCC(CO)(CO)CO JFGQINNURKBEIZ-UHFFFAOYSA-N 0.000 claims description 2
- 229940123457 Free radical scavenger Drugs 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920001195 polyisoprene Polymers 0.000 claims description 2
- 239000002516 radical scavenger Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 125000002348 vinylic group Chemical group 0.000 claims description 2
- 239000010408 film Substances 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 230000005764 inhibitory process Effects 0.000 description 11
- 229920000642 polymer Polymers 0.000 description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 150000003573 thiols Chemical class 0.000 description 8
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 4
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical class OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 4
- JOBBTVPTPXRUBP-UHFFFAOYSA-N [3-(3-sulfanylpropanoyloxy)-2,2-bis(3-sulfanylpropanoyloxymethyl)propyl] 3-sulfanylpropanoate Chemical compound SCCC(=O)OCC(COC(=O)CCS)(COC(=O)CCS)COC(=O)CCS JOBBTVPTPXRUBP-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 description 2
- JSNRRGGBADWTMC-QINSGFPZSA-N (E)-beta-Farnesene Natural products CC(C)=CCC\C(C)=C/CCC(=C)C=C JSNRRGGBADWTMC-QINSGFPZSA-N 0.000 description 2
- JXBSHSBNOVLGHF-UHFFFAOYSA-N 10-cis-Dihydrofarnesen Natural products CC=C(C)CCC=C(C)CCC=C(C)C JXBSHSBNOVLGHF-UHFFFAOYSA-N 0.000 description 2
- KWVGIHKZDCUPEU-UHFFFAOYSA-N 2,2-dimethoxy-2-phenylacetophenone Chemical compound C=1C=CC=CC=1C(OC)(OC)C(=O)C1=CC=CC=C1 KWVGIHKZDCUPEU-UHFFFAOYSA-N 0.000 description 2
- 238000006596 Alder-ene reaction Methods 0.000 description 2
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- YSNRTFFURISHOU-UHFFFAOYSA-N beta-farnesene Natural products C=CC(C)CCC=C(C)CCC=C(C)C YSNRTFFURISHOU-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007542 hardness measurement Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229930004725 sesquiterpene Natural products 0.000 description 2
- 150000004354 sesquiterpene derivatives Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 1
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- VOBUAPTXJKMNCT-UHFFFAOYSA-N 1-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound CCCCCC(OC(=O)C=C)OC(=O)C=C VOBUAPTXJKMNCT-UHFFFAOYSA-N 0.000 description 1
- RKMGAJGJIURJSJ-UHFFFAOYSA-N 2,2,6,6-tetramethylpiperidine Chemical class CC1(C)CCCC(C)(C)N1 RKMGAJGJIURJSJ-UHFFFAOYSA-N 0.000 description 1
- RIWRBSMFKVOJMN-UHFFFAOYSA-N 2-methyl-1-phenylpropan-2-ol Chemical compound CC(C)(O)CC1=CC=CC=C1 RIWRBSMFKVOJMN-UHFFFAOYSA-N 0.000 description 1
- RZVINYQDSSQUKO-UHFFFAOYSA-N 2-phenoxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC1=CC=CC=C1 RZVINYQDSSQUKO-UHFFFAOYSA-N 0.000 description 1
- 239000004609 Impact Modifier Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000008411 Sumatra benzointree Nutrition 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- VEBCLRKUSAGCDF-UHFFFAOYSA-N ac1mi23b Chemical compound C1C2C3C(COC(=O)C=C)CCC3C1C(COC(=O)C=C)C2 VEBCLRKUSAGCDF-UHFFFAOYSA-N 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000000891 alpha-farnesene group Chemical group 0.000 description 1
- 229960002130 benzoin Drugs 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Chemical group 0.000 description 1
- 150000001723 carbon free-radicals Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- ISAOCJYIOMOJEB-UHFFFAOYSA-N desyl alcohol Natural products C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- MUTNCGKQJGXKEM-UHFFFAOYSA-N tamibarotene Chemical compound C=1C=C2C(C)(C)CCC(C)(C)C2=CC=1NC(=O)C1=CC=C(C(O)=O)C=C1 MUTNCGKQJGXKEM-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
- C08F216/125—Monomers containing two or more unsaturated aliphatic radicals, e.g. trimethylolpropane triallyl ether or pentaerythritol triallyl ether
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
- C08F2/50—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/40—Esters of unsaturated alcohols, e.g. allyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/103—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate
-
- 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
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
-
- 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
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/04—Polythioethers from mercapto compounds or metallic derivatives thereof
- C08G75/045—Polythioethers from mercapto compounds or metallic derivatives thereof from mercapto compounds and unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09J175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
Definitions
- the present invention relates to stable compositions of thiol-ene based UV curable polymer used in coatings, adhesives and inks.
- the composition exhibits good shelf stability, fast curing speed, less susceptible to oxygen inhibition with resulting cured films which exhibit excellent optical clarity, low shrinkage, flexibility, adhesion to a variety of substrates. They are especially suitable for optical and electronic applications, in particular optical lenses, optical adhesives or films or opto-electronic devices and sensors.
- a reaction of thiol and a carbon-carbon double bond is known as a thiol-ene reaction.
- Typical ultraviolet radiation curable (meth) acrylate materials are known to experience oxygen inhibition when cured.
- the oxygen inhibition is limited to the surface of the materials.
- the oxygen inhibition becomes a bulk problem as opposed to a surface issue. So the results about cured products exhibit insufficient adhesion to a substrate or insufficient hardness.
- shrinkage can cause unpredictable defect in precise molding operations such as those required in manufacture of optical elements such as BEF (Brightness Enhancement Films) . Shrinkage can also create residual stress in such optical film, which can subsequently lead to optical defects including high birefringence.
- the present invention relates to a photopolymerizable composition
- a photopolymerizable composition comprising:
- the composition can be made free of solvent and can be rapidly photocured. When cured, the composition exhibits low shrinkage and excellent optical and electronic performances. It is suitable for many optical applications such as optical lenses, optical adhesive and optical film.
- the present invention relates to a thiol-ene photocurable composition that is used in UV cured system with excellent flexibility, low shrinkage, adhesion, less susceptible to oxygen inhibition and hardness.
- a first subject of the invention relates to a photocurable composition
- a photocurable composition comprising
- a second subject of the invention relates to the use of said photocurable composition in coatings, inks, adhesives and varnishes.
- Another subject of the present invention relates to a finished product resulting from the cure of at leat one photocurable composition according to the present invention.
- the first subject of the invention relates to a photocurable thiol-ene composition which comprises:
- the photocurable composition may further comprise d) other additives different from a) to c) .
- suitable additives d) are pigments, polymer impact modifiers, liquid crystal materials, metal powders, wetting agents, slipping agents.
- photocurable composition comprises :
- At least one reactive diluent e) selected from at least one monomer copolymerisable with said at least one monomer or/and oligomer a) , said reactive diluent being different from the said monomers as defined in a) ,
- said at least one monomer or/and oligomer a) is:
- -a2) a mixture of at least one allyl-functional monomer or/and allyl-functional oligomer and of at least one (meth) acrylate-functional or vinyl-functional monomer or/and (meth) acrylate-functional or vinyl-functional oligomer.
- second thiol in said polytiol b) , means that the —SH group is carried by a secondary carbon atom as represented here by: -CR1R2–CH (-SH) -CR1’ R2’ -, wherein R1, R2, R1’ a nd R2’ can be H or C1 to C2 alkyl.
- the polythiol b) used in the invention has at least two secondary thiol groups and they are preferably substantially free, more preferably free of disulfide linkages. These disulfide linkages can impact the chemical and the thermal stability of the crosslinked or cured network (finished cured product) and preferably they should be avoided.
- the di-, tri-, and tetra-functional polythiols can be used in the present invention.
- the polythiols b) can be in mixture with polythiols bearing primary –SH (thiol) groups (borne by primary carbon atoms which are in fact non-substituted carbon atoms as represented by -CH2-SH.
- said polythiol can have a functionality in -SH (secondary thiol groups) from 2 to 6 and preferably is selected from Pentaerythritol tetrakis (3-mercaptobutyrate) or from di-Pentaerythritol hexakis (3-mercaptobutyrate) .
- -SH secondary thiol groups
- polythiol b) is selected from Pentaerythritol tetrakis (3-mercaptobutyrate) as shown in the formula (I) below:
- said oligomer a) is according to the definition a1) and is bearing at least one (meth) acrylate group and at least one allyl group.
- said oligomer a1) is a urethane oligomer
- said mixture a2) is a mixture of oligomers comprising at least one urethane oligomer, preferably said mixture a2) comprises at least two urethane oligomers with one being a (meth) acrylate functional urethane oligomer and the other one being an allyl-functional urethane oligomer.
- said urethane oligomers a1) or in said mixture a2) is an aliphatic or cycloaliphatic urethane oligomer.
- said oligomer according to a1) or according to a2) is a (meth) acrylated non-hydrogenated polydiene polyol oligomer (multi- (meth) acrylated) , preferably a (meth) acrylated non-hydrogenated polydiene diol oligomer (di (meth) acrylated) , bearing in the backbone (internal) cis/trans ethylenic insaturation, which is defined for the present invention as an internal allylic insaturation.
- Suitable non-hydrogenated polydiene on which these oligomers a1) or in a2) can be based can be homopolymers or copolymers of a diene selected from butadiene or isoprene. Consequently a polybutadiene diol di (meth) acrylate is an example of oligomer suitable according to the definition of a1) or which can be present in a2) (in mixture) .
- (meth) acrylated polydiene polyol oligomer preferably polydiene diol oligomer
- “Farnesene” refers to a set of six closely related chemical compounds which all are sesquiterpenes (see https: //en. wikipedia. org/wiki/Sesquiterpene) .
- ⁇ -Farnesene and ⁇ -farnesene are isomers , differing by the location of one double bond .
- ⁇ -Farnesene is 3, 7, 11-trimethyl-1, 3, 6, 10-dodecatetraene and ⁇ -farnesene is 7, 11-dimethyl-3-methylene-1, 6, 10-dodecatriene.
- said oligomer or monomer according to a1) or as present in a2) has at least two allylic groups and optionally at least one (meth) acrylate group.
- Said monomer or/and oligomer according to a1) or as present in a2) may bear alkoxy units.
- Alkoxylated monomers or oligomers a1) or as present in a2) may bear from 1 to 50 preferably from 1 to 30 alkoxy units.
- alkoxy unit is selected from ethoxy (-CH 2 CH 2 O-) or/and propoxy (-CH (CH 3 ) CH 2 O-) or/and butylenoxy (tetramethylenoxy) , more preferably from ethoxy.
- the composition comprises at least one photoinitiator c) .
- the amount is less than 3 weight %, preferably less than 2 weight%.
- Conventional photoinitiators can be used. Suitable examples include benzophenones, hydroxyalkylphenylketones, benzoin alkyl ethers and benzyl ketals, ethyl 2, 4, 6-trimethylbenzoylphenyl phosphinate (TPO) , 2, 2-dimethoxy-2-phenyl acetophenone (IRGACURE 651) . Often, mixtures of photoinitiators provide a suitable balance of properties.
- a wavelength that matches the absorption wavelength of initiator is used and a high pressure mercury lamp, a medium pressure mercury lamp, a low pressure mercury lamp or an LED light source can be used for this purpose.
- the photocurable composition can comprise a reactive diluent e) which is selected from the group consisting of monofunctional or multifunctional (meth) acrylates or monofunctional or multifunctional vinylic monomers, preferably multifunctional (meth) acrylates which optionally are alkoxylated.
- a reactive diluent e) which is selected from the group consisting of monofunctional or multifunctional (meth) acrylates or monofunctional or multifunctional vinylic monomers, preferably multifunctional (meth) acrylates which optionally are alkoxylated.
- the number and chemical nature of the alkoxy units can be the same as for oligomers a1) or as present in a2) : from 1 to 50 preferably from 1 to 30 alkoxy units with alkoxy unit selected from ethoxy or/and propoxy or/and butylenoxy (tetramethylenoxy) , more preferably from ethoxy.
- Preferred reactive diluents e) can be selected from the group consisting of: isobornyl acrylate, tetrahydrofurfuryl acrylate, phenoxyethyl acrylate, tricyclodecane dimethanol diacrylate, hexanediol diacrylate, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, dipentaerythritol hexaacrylate (DPHA) .
- DPHA dipentaerythritol hexaacrylate
- Such suitable reactive diluents are commercialized by Sartomer (Arkema) under commercial names SR506; SR285; SR339; SR833; SR238; SR351; SR350.
- Said reactive diluent e) is preferably added in such an amount that the shrinkage of the cured compositions does not exceed around 7%.
- Suitable amounts of the reactive diluents e) can be less than about 30%, and more preferably about 10%to about 20%weight vs a) +b) +c) +d) +e) .
- oligomers a1) or in a2) are multifunctional oligomers, preferably multifunctional urethane oligomers bearing at least one allylic group and at least one (meth) acrylate group, more preferably at least two allylic groups and at least one, even more preferably at least two (meth) acrylate groups.
- a multifunctional urethane oligomer according to a1) or as present in a2) can be obtained by reaction of a polyisocyanate, of a polyol, and a at least two monohydroxylated end-capping agents, one of the at least two monohydroxylated end-capping agents bearing at least one allyl group and the other bearing at least one (meth) acrylate group, preferably one bearing at least two allyl groups and the other bearing at least one (meth) acrylate group more preferably at least two (meth) acrylate groups.
- Suitable urethane oligomers include reactive multifunctional oligomers such as CN9001, CN991, CN981, CN9101, CN1963, CN310, CN9014 and CN 9101 the last being allylic and the other being (meth) acrylated: polyester urethane acrylates, polyether urethane acrylates, allyl functional urethane, polybutadiene urethane acrylates, polyethyelene-polybutylene urethane acrylates, aliphatic or aromatic urethane acrylates.
- reactive multifunctional oligomers such as CN9001, CN991, CN981, CN9101, CN1963, CN310, CN9014 and CN 9101 the last being allylic and the other being (meth) acrylated: polyester urethane acrylates, polyether urethane acrylates, allyl functional urethane, polybutadiene urethane acrylates, polyeth
- the photocurable composition according to the present the invention can further comprise f) 0.05 to 2%w/w with respect to the sum of a) +b) +c) +d) +e) of at least one stabilizer (also named “stabilizing agent” ) which is a free radical scavenger selected from hindered phenolic or hindered amine compounds.
- the stabilizer can be C1-C4 di-substituted phenols in alpha position vs OH or hindered cyclic amines having double substitution by C1-C4 alkyls in alpha position from the amine in the cycle, as HALS amines (Hindered amine light stabilizers) like 2, 2, 6, 6-tetramethyl piperidine derivatives.
- the photocurable composition of the invention is preferably curable by UV, LED, or visible light.
- the second subject-matter of the invention relates to the use of at least one photocurable composition according to the invention, in coatings, inks, adhesives and in varnishes.
- optical and electronic applications or opto-electronic applications preferably in optical applications selected from optical lenses, optical adhesives and optical films.
- Another subject-matter of the invention relates to a finished cured product, which results from the cure of at least one photocurable composition as defined above according to the invention.
- More particularly said finished cured product is selected from the group consisting of coatings, inks, adhesives or varnishes.
- the invention covers also the use of said finished cured product for optical or electronic or opto-electronic applications. More specifically, said use is for optical applications selected from optical lenses, optical adhesives or for optical films or opto-electronic devices or sensors.
- the cured composition or finished cured product exhibits excellent optical clarity, low shrinkage, flexibility, adhesion to a variety of substrate material, fast curing speed, less susceptible to oxygen inhibition.
- Each cured film was left to stand under the condition of a temperature of 25°C, and a relative humidity of 60%for 2 hours. Subsequently, pencil hardness measurement was performed using a test pencil stipulated in JIS-S-6006 according to a method stipulated in JIS-K-5400.
- the transmission and haze were measured using a spectrophotometer.
- a sample was cut into a square shape of 100mm ⁇ 100mm and was placed on a flat glass plate with the cured layer facing up. The distances (mm) from the glass plate to the four corners of the sample were measured, and the average of the measurements was used as the degree of curling. For a sample having a large degree of curling rolled into a tubular shape the degree of curling of such a sample is not measured (impossible to measure) .
- each sample was evaluated at a tensile speed 10mm/min using a 100N load cell. A total of 5 samples were tested at a temperature of 25°C and a humidity of 50%for each formulation.
- Each radiation curable thiol (meth) acrylate composition are prepared by stirring all ingredients at room temperature. When mixtures were ready, the mixtures were stored for 28 days in a thermostatic drier at 60°C. Mixtures were daily checked and when a gel was observed, it was reported as “gel after ⁇ days” . The viscosity of each mixtures were measured with constant shear rate 20rpm at 25°C. The viscosity is measured using a Brookfield viscometer.
- the adhesive solution mixed liquid crystal was placed in a conductive film, and was cured by UV-LED cured machine.
- the liquid crystal /polymer composite film had a thickness of 20 ⁇ m.
- the film was sandwiched between ITO films.
- the system was submitted to power transfer machine energized voltage for 1 second with the appearance of the liquid crystal /polymer composite film becoming transparent from haze.
- the cured plates were fastened and tested by mar resistance machine, with Methyl ethyl ketone (MEK) double rubbing test onto to the cured coating.
- MEK Methyl ethyl ketone
- Cross-cut test a crosshatch pattern is made through the film to the substrate. Detached flakes of coating are removed by brushing with a soft brush. Pressure-sensitive tape is applied over the crosshatch cut. Tape is removed by pulling it off rapidly back over itself as close to an angle of 180°. Adhesion is assessed on a 0B to 5B scale with 0B: falling area is greater than 65%the lower performance, and 5B: no falling area with the higher performance.
- the cured films were bent, the state of crease were repeated 5 times.
- a curable thiol-ene composition of the present invention will be described below based on a series of Examples and Comparative Examples, although the present invention is not limited to the following examples.
- the amounts of various components in the following tables were expressed in parts by weight.
- composition mixed nematic liquid crystal was sandwiched between 2 ITO films and pressed and expanded to have a thickness of about 20 ⁇ m.
- the ITO plates with the compositions were cured at an integrated light quantity of 700mj/cm 2 1000mw/cm 2 by a UV exposure machine (manufactured by Fusion H) to thereby obtain a cured film.
- Examples 1 to 3 according to the present invention with secondary -SH polythiol give more stable performance than with primary –SH polythiol.
- compositions of the present invention are stable vs comparative ones (unstable) and have remarkable optical-electronic behavior when the composition has mix phase of nematic liquid crystals.
- the polymer network structure makes liquid crystal to align parallel or perpendicular to the polymer surface. When an electric field is applied to overcome the interactions between polymer and liquid crystal, the refractive index of the liquid crystal matches the refractive index of the polymer, and get low haze and fast optical-electronic response optical film.
- compositions were coated on 100 ⁇ m PET and pressed and expanded to have a thickness of about 5 ⁇ m.
- the PET plates with the compositions were cured at an integrated light quantity of (150 ⁇ 800) mJ/cm 2 1000mw/cm 2 by a UV LED exposure machine to thereby obtain a cured film.
- composition EX4 EX5 EX6 EX7 Comparative 3 DPHA 40 40 40 35 100 PRO31097 10 50 SR350 SR351 50 10 50 50 PE1AG 10 15 Irgacure 184 1 1 1 1 1 Irgacure TPO 2 2 2 2 2 2
- EX4 and EX5 show the traditional method to improve the curing speed of DPHA and anti-oxygen inhibition effect by using allylic acrylate PRO31097. However, there are no obvious differences of UV dose between them even increasing PRO31097 to 50%, and both of them have high viscosity.
- EX4 and EX6 thiol PE1AG replace allylic acrylate PRO31097 in EX6, which lead the UV dose decrease to 500mj/cm 2 , therefore obviously increased the cure speed, and also dramatically decrease the viscosity in EX6 compare to EX4.
- EX6 and EX7 the UV dose decreased from 500 mj/cm2 in EX6 to 250mj/cm2 in EX7 by adding extra 5%thiol PE1AG, which doubled curing speed.
- oxygen inhibition is limited to the surface of the materials.
- the term of “ultra-thin” means that the cured film has a thickness of equal to or less than 5 micrometers.
- the oxygen inhibition become a bulk problem as opposed to a surface issue. So the results about cured products exhibit insufficient adhesion to a substrate or insufficient hardness. Reducing oxygen from the curable materials during curing requires special condition and equipment.
- the present invention disclosed a composition that can observably improve anti-oxygen inhibition.
- the composition is stable and has low viscosity.
- compositions were coated on ABS and nail.
- the thickness is about 500 ⁇ m.
- the nail plates were cured at 150mJ/cm 2 8mw/cm 2 by a LED exposure machine to thereby obtain cured plates.
- EX8, EX 9 vs comparative 4 the curing speed, scratch resistance and flexibility are improved with increasing the content of PE1AG. And the heat stability is good.
- PE1 AG is more stable than PETMP.
- the challenge is anti-oxygen inhibition and shrinkage for ultra-low UV density curing and higher thickness.
- the thiol PE1AG can obviously improve anti-oxygen ability and decrease shrinkage.
- the curing depth in photopolymerizations is limited by reduction of ultraviolet by photoinitator, and it is difficult to make relatively thick coating or three dimensional production especially at LED curing condition.
- the present invention s composition has improved depth in the photo curable materials and it is stable.
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Abstract
Description
Composition | EX1 | EX2 | EX3 | Comparative 1 | Comparative 2 |
CN9101 | 60 | 60 | |||
PRO31559 | 60 | ||||
TMPDE | 60 | ||||
CN996 | 60 | ||||
PE1AG | 30 | 30 | 30 | ||
PETMP | 30 | 30 | |||
SR351 | 10 | 10 | 10 | 10 | 10 |
Darocur 1173 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Composition | EX4 | EX5 | EX6 | EX7 | Comparative 3 |
DPHA | 40 | 40 | 40 | 35 | 100 |
PRO31097 | 10 | 50 | |||
SR350 | |||||
SR351 | 50 | 10 | 50 | 50 | |
PE1AG | 10 | 15 | |||
Irgacure 184 | 1 | 1 | 1 | 1 | 1 |
Irgacure TPO | 2 | 2 | 2 | 2 | 2 |
Composition | EX8 | EX9 | Comparative 4 | Comparative 5 |
SR454 | 80 | 80 | 80 | 80 |
DPHA | 20 | 20 | 20 | 20 |
PE1AG | 10 | 15 | ||
PETMP | 10 | |||
Irgacure 184 | 3 | 3 | 3 | 3 |
Irgacure TPO | 2 | 2 | 2 | 2 |
Claims (23)
- A photocurable thiol-ene composition, wherein it comprises:-a) at least one monomer or/and oligomer bearing at least one functional group selected from the group consisting of (meth) acrylate-functional group, vinyl-functional group and allyl-functional group or at least one monomer or/and oligomer bearing at least two of said functional groups with one of them being an allyl group,-b) at least one polythiol bearing at least one secondary thiol group, and-c) at least one photoinitiator.
- The photocurable composition of claim 1, wherein it further comprises d) other additives different from a) to c) .
- The photocurable composition of claim 2, wherein it comprises:a) 10 to 80 wt%of said at least one monomer or/and oligomer a) ,b) 2 to 50 wt%, preferably from 10 to 50%, more preferred from 10 to 30 wt%of said at least one polythiol b) ,c) 0.1 to 10 wt%of said at least one photo-initiator c) ,d) 0.1 to 50 wt%of said other additives,e) 0-50 wt%of at least one reactive diluent selected from at least one monomer copolymerisable with said at least one monomer or/and oligomer a) , said reactive diluent being different from the said monomers as defined in a) in claim 1,with the sum of a) +b) +c) +d) +e) being100%.
- The photocurable composition of any one of claims 1 to 3, wherein said at least one monomer or/and oligomer a) is:-a1) at least one monomer or/and oligomer bearing in the same molecule at least two functional groups, with one functional group selected from a (meth) acrylate group or from a vinyl group and at least one additional second functional group being an allyl functional groupor-a2) a mixture of at least one allyl-functional monomer or/and allyl-functional oligomer and of at least one (meth) acrylate-functional or vinyl-functional monomer or/and (meth) acrylate-functional or vinyl-functional oligomer.
- The photocurable composition of any one of claims 1 to 4, wherein said polythiol has a functionality in the secondary thiol group from 2 to 6 and preferably is selected from Pentaerythritol tetrakis (3-mercaptobutyrate) or from di-Pentaerythritol hexakis (3-mercaptobutyrate) .
- The photocurable composition of any one of claims 1 to 5, wherein said oligomer a) is according to the definition a1) and is bearing at least one (meth) acrylate group and at least one allyl group.
- The photocurable composition of any one of claims 1 to 7, wherein said oligomer a1) is a urethane oligomer, and said mixture a2) is a mixture of oligomers comprising at least one urethane oligomer, preferably said mixture a2) comprising at least two urethane oligomers with one being a (meth) acrylate functional oligomer and the other one being an allyl-functional ologomer,more preferably, said urethane oligomers a1) or said urethane oligomers as present in a2) being an aliphatic or cycloaliphatic urethane oligomer.
- The photocurable composition of any one of claims 1 to 8, wherein said oligomer according to a1) or according to a2) is a (meth) acrylated non-hydrogenated polydiene polyol oligomer, preferably polydiene diol oligomer, bearing internal (in backbone) cis/trans ethylenic insaturation considered as allylic insaturation.
- The photocurable composition of claim 9, wherein said (meth) acrylated polydiene polyol, preferably diol, oligomer is selected from the group consisting of (meth) acrylated polyols of: polybutadiene, polyisoprene and random or block copolymers of butadiene or of isoprene with a comonomer preferably selected from styrene, methylstyrene and farnesene.
- The photocurable composition of any one of claims 1 to 9, wherein said oligomer or monomer according to a1) or to a2) has at least two allylic groups and optionally at least one (meth) acrylate group.
- The photiocurable composition of any one of claims 1 to 11, wherein said monomer or/and oligomer according to a1) or as present in a2) bears alkoxy units.
- The photocurable composition of any one of claims 1 to 12, wherein said reactive diluent e) is selected from the group consisting of monofunctional or multifunctional (meth) acrylates or monofunctional or multifunctional vinylic monomers, preferably multifunctional (meth) acrylates which optionally are alkoxylated.
- The photocurable composition of any one of claims 1 to 13, wherein it further comprises f) 0.05 to 2%w/w with respect to the sum of a) +b) +c) +d) +e) of at least one stabilizer which is a free radical scavenger selected from hindered substituted phenolic or hindered substituted amine compounds.
- The photocurable composition of any one of claims 1 to 14, wherein it is curable by UV, LED, or visible light.
- Use of at least one composition as defined according to any one of claims 1 to 15, in coatings, inks, adhesives and in varnishes.
- The use according to claim 16, wherein it is for low shrinkage coatings, inks, adhesives and varnishes.
- Use of a composition as defined according to any one of claims 1 to 15 for optical and electronic applications or opto-electronic applications.
- Use according to claim 18, wherein it is in optical applications selected from optical lenses, optical adhesives and optical films.
- Finished cured product, wherein it results from the cure of at least one composition as defined according to any one of claims 1 to 15.
- Finished cured product according to claim 20, wherein it is selected from the group consisting of coatings, inks, adhesives or varnishes.
- Use of the finished cured product of claim 20 or 21 for optical or electronic or opto-electronic applications.
- Use according to claim 22, wherein it is for optical applications selected from optical lenses, optical adhesives or for optical films or opto-electronic devices or sensors.
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US16/760,131 US20200347187A1 (en) | 2017-10-31 | 2017-10-31 | Curable compositions containing thiol compounds |
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- 2017-10-31 KR KR1020207011699A patent/KR102502048B1/en active IP Right Grant
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- 2017-10-31 EP EP17930543.8A patent/EP3707181A4/en active Pending
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US20200248051A1 (en) * | 2019-02-01 | 2020-08-06 | Hankook Tire & Technology Co., Ltd. | Reactive solvent-free adhesive composition and method of manufacturing tire using same |
EP4086292A4 (en) * | 2020-02-12 | 2023-07-19 | Kuraray Co., Ltd. | Curing composition and cured object using same |
Also Published As
Publication number | Publication date |
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KR20200070265A (en) | 2020-06-17 |
JP7089589B2 (en) | 2022-06-22 |
JP2021503518A (en) | 2021-02-12 |
CN111263777B (en) | 2023-03-28 |
EP3707181A4 (en) | 2021-08-11 |
TWI717649B (en) | 2021-02-01 |
EP3707181A1 (en) | 2020-09-16 |
CN111263777A (en) | 2020-06-09 |
KR102502048B1 (en) | 2023-02-20 |
US20200347187A1 (en) | 2020-11-05 |
TW201925355A (en) | 2019-07-01 |
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