Polymer, composition, molded article, cured product and laminate

1. A polymer comprising:

a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below; and

a second structural unit represented by formula (2-A) below;

wherein in the first structual unit is directly bonded to the second structural unit,

wherein in formulae (1-1) to (1-3), R 1 is each independently a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, a nitro group, a cyano group, any of primary to tertiary amino groups or a salt of any of primary to tertiary amino groups; n is each independently an integer of 0 to 2; and when n is 2, two or more R 1 may be the same or different and may be joined together in any combination to form a part of a cyclic structure,

in formula (2-A), R 2 and R 3 are respectively and independently a hydrogen atom or a monovalent hydrocarbon group having 1 to 20 carbon atoms; and X is a group represented by formulae (2-1) and (2-5) to (2-8) below,

in formula (2-1), R 4 and R 5 are respectively and independently a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an alkylthio group having 1 to 20 carbon atoms, a nitro group, a cyano group, a carboxy group, a sulfonic acid group, a phosphonic acid group, a phosphoric acid group, a hydroxy group, any of primary to tertiary amino groups, a salt of carboxy group, a salt of sulfo group, a salt of phosphonic acid group, a salt of phosphate group, a salt of hydroxy group or a salt of any of primary to tertiary amino groups; c and d are respectively and independently an integer of 0 to 2; a and b are respectively and independently an integer of 0 to 8; when a is 2 or more, two or more R 4 may be the same or different and may be joined together in any combination to form a part of a cyclic structure; when b is 2 or more, two or more R 5 may be the same or different and may be joined together in any combination to form a part of a cyclic structure; Q and Z are respectively and independently a single bond, —O—, —S— or —N(R 17 ) —; R 17 is a hydrogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms or a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms; L is —O—, —S—, —C(O)—, —S(O)—, —S(O)2—, —C(O)—NH—, —C(O)—O—, a methylene group, an alkylene group having 2 to 20 carbon atoms, a halogenated methylene group, a halogenated alkylene group having 2 to 20 carbon atoms, bivalent groups derived from fluorene, bivalent groups derived from phenolphthalein, or a group represented by formula (L1); y is 1; R 6 and R 7 are respectively and independently a single bond, a methylene group or an alkylene group having 2 to 4 carbon atoms;

in formula (L1), R c is a 5- to 15-membered bivalent alicyclic hydrocarbon group;

in formula (2-5), R 21 and R 22 are respectively and independently a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an alkylthio group having 1 to 20 carbon atoms, a nitro group, a cyano group, a carboxy group, a sulfonic acid group, a phosphonic acid group, a phosphoric acid group, a hydroxy group, any of primary to tertiary amino groups, a salt of carboxy group, a salt of sulfo group, a salt of phosphonic acid group, a salt of phosphate group, a salt of hydroxy group or a salt of any of primary to tertiary amino groups; k and I are respectively and independently an integer of 0 to 3; when k is 2 or 3, two or more R 21 may be the same or different; when 1 is 2 or 3, two or more R 22 may be the same or different; R 23 is a single bond, —O—, —S—, —C(O)—, —S(O)— or —S(O) 2 —;

in formula (2-6), R 24 and R 25 are respectively and independently a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an alkylthio group having 1 to 20 carbon atoms, a nitro group, a cyano group, a carboxy group, a sulfonic acid group, a phosphonic acid group, a phosphoric acid group, a hydroxy group, any of primary to tertiary amino groups, a salt of carboxy group, a salt of sulfo group, a salt of phosphonic acid group, a salt of phosphate group, a salt of hydroxy group or a salt of any of primary to tertiary amino groups; m and n are respectively and independently an integer of 0 to 3; when m is 2 or 3, two or more R 24 may be the same or different; when n is 2 or more, two or more R 25 may be the same or different; R 26 and R 27 are respectively and independently a single bond, —O—, —S—, —C(O)—, —S(O)— or —S(O) 2 —;

in formula (2-7), R 28 and R 29 are respectively and independently a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an alkylthio group having 1 to 20 carbon atoms, a nitro group, a cyano group, a carboxy group, a sulfonic acid group, a phosphonic acid group, a phosphoric acid group, a hydroxy group, any of primary to tertiary amino groups, a salt of carboxy group, a salt of sulfo group, a salt of phosphonic acid group, a salt of phosphate group, a salt of hydroxy group or a salt of any of primary to tertiary amino groups; o is an integer of 0 to 3; p is an integer of 0 to 4; when o is 2 or more, two or more R 28 may be the same or different; when p is 2 or more, two or more R 29 may be the same or different; n is an integer of 0 to 6; R 30 is a monovalent hydrocarbon group having 1 to 20 carbon atoms or a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms; q is an integer of 0 to 15; when q is 2 or more, two or more R 30 may be the same or different;

in formula (2-8), R 31 and R 32 are respectively and independently a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an alkylthio group having 1 to 20 carbon atoms, a nitro group, a cyano group, a carboxy group, a sulfonic acid group, a phosphonic acid group, a phosphoric acid group, a hydroxy group, any of primary to tertiary amino groups, a salt of carboxy group, a salt of sulfo group, a salt of phosphonic acid group, a salt of phosphate group, a salt of hydroxy group or a salt of any of primary to tertiary amino groups, r and s are respectively and independently an integer of 0 to 4; when r is 2 or more, two or more R 31 may be the same or different; when s is 2 or more, two or more R 32 may be the same or different; m is an integer of 1 to 5; n is an integer of 0 to 5; R 33 is a monovalent hydrocarbon group having 1 to 20 carbon atoms or a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, tis an integer of 0 to 20; when tis 2 or more, two or more R 33 may be the same or different.

2. The polymer according to claim 1 , wherein X in the formula (2-A) is a group represented by formulae (2-1).

3. The polymer according to claim 1 , wherein a weight average molecular weight of the polymer based on polystyrene is 500 to 600,000 inclusive.

4. A composition, comprising the polymer according to claim 1 and an organic solvent.

5. A molded article, comprising the polymer according to claim 1 .

6. A composition comprising:

a polymer having a structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit represented by formula (2) below;

a curable compound; and

a curing auxiliary agent,

wherein formulae (1-1) to (1-3), R 1 is each independently a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, a nitro group, a cyano group, any of primary to tertiary amino groups or a salt of any of primary to tertiary amino groups; n is each independently an integer of 0 to 2; and when n is 2, two or more R 1 may be the same or different and may be joined together in any combination to form a part of a cyclic structure;

in formula (2), A 1 and A 2 are respectively and independently —O—, —S— or —N(R 2 ) —; R 2 is a hydrogen atom or a monovalent hydrocarbon group having 1 to 20 carbon atoms; and X is a group represented by formula (2-1) below;

in formula (2-1), R 4 and R 5 are respectively and independently a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an alkylthio group having 1 to 20 carbon atoms, a nitro group, a cyano group, a carboxy group, a sulfonic acid group, a phosphonic acid group, a phosphoric acid group, a hydroxy group, any of primary to tertiary amino groups, a salt of carboxy group, a salt of sulfo group, a salt of phosphonic acid group, a salt of phosphate group, a salt of hydroxy group or a salt of any of primary to tertiary amino groups; c and d are respectively and independently an integer of 0 to 2; a and b are respectively and independently an integer of 0 to 8; when a is 2 or more, two or more R 4 may be the same or different and may be joined together in any combination to form a part of a cyclic structure; when b is 2 or more, two or more R 5 may be the same or different and may be joined together in any combination to form a part of a cyclic structure; Q and Z are respectively and independently a single bond, —O—, —S— or —N(R 17 ) —; R 17 is a hydrogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms or a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms; L is a group represented by formula (L1) below; y is 1; R 6 and R 7 are respectively and independently a single bond, a methylene group or an alkylene group having 2 to 4 carbon atoms;

in formula (L1), R c is 5- to 15-membered monocyclic alicyclic hydrocarbon group;

wherein the curable compound is at least one selected from the group consisting of a cyanate ester compound, a vinyl compound, a silicone compound, an oxazine compound, a maleimide compound and an allyl compound;

when the curable compound used is the cyanate ester compound, the curing auxiliary agent is a basic active hydrogen compound, polymercaptan curing agents, or urea resins;

when the curable compound used is the vinyl compound, the curing auxiliary agent is compounds that generate radical active species by heat or light;

when the curable compound used is the silicone compound, the curing auxiliary agent is zinc benzoate, zinc octylate, platinum black, platinic chloride, chloroplatinic acid, reaction products of chloroplatinic acid and monohydric alcohols, complexes of chloroplatinic acid and olefins and platinum bisacetoacetate, palladium catalysts, rhodium catalysts, or photoreaction initiator;

when the curable compound used is the oxazine compound, the curing auxiliary agent is p-toluenesulfonate esters, aromatic amine compounds, or boron trifluoride;

when the curable compound used is the maleimide compound, the curing auxiliary agent is imidazole, 1-methylimidazole, 1-benzyl-2-methylimidazole, 2-methylimidazoline, N,N-diisopropylethylamine, 1,4-dimethylpiperazine, quinoline, triazole, benzotriazole, DBU, phosphorus compounds or azobisisobutylnitrile;

when the curable compound used is the allyl compound, the curing auxiliary agent is azo initiators, peroxides, acetophenone curing agents, benzoin curing agents, phosphorus curing agents, sulfur curing agents, benzyl curing agents, or peroxycarbonate curing agents.

7. A cured product obtained by curing the composition according to claim 6 .

8. A laminate comprising:

a substrate; and

a cured product layer formed on the substrate by using the composition according to claim 6 .