Polymer, composition, molded article, cured product and laminate

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), R1 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 R1 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), R2 and R3 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), R4 and R5 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 R4 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 R5 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(R17) —;
• R17 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;
• R6 and R7 are respectively and independently a single bond, a methylene group or an alkylene group having 2 to 4 carbon atoms;
• in formula (L1), Rc is a 5- to 15-membered bivalent alicyclic hydrocarbon group;
• in formula (2-5), R21 and R22 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 R21 may be the same or different;
• when 1 is 2 or 3, two or more R22 may be the same or different;
• R23 is a single bond, —O—, —S—, —C(O)—, —S(O)— or —S(O)2—;
• in formula (2-6), R24 and R25 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 R24 may be the same or different;
• when n is 2 or more, two or more R25 may be the same or different;
• R26 and R27 are respectively and independently a single bond, —O—, —S—, —C(O)—, —S(O)— or —S(O)2—;
• in formula (2-7), R28 and R29 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 R28 may be the same or different;
• when p is 2 or more, two or more R29 may be the same or different;
• n is an integer of 0 to 6;
• R30 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 R30 may be the same or different;
• in formula (2-8), R31 and R32 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 R31 may be the same or different;
• when s is 2 or more, two or more R32 may be the same or different;
• m is an integer of 1 to 5;
• n is an integer of 0 to 5;
• R33 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 R33 may be the same or different.