Patent ID: 11886119
Assignee: MITSUI CHEMICALS, INC.
Field: Optics (Instruments)
Classification: CPC G  B  C | IPC C  G

Claim 1:
2. The laminate according to claim 1,
wherein the cyclic olefin polymer has a repeating structural unit [A] represented by Formula (1) and a repeating structural unit [B] represented by Formula (2),
a molar ratio [A]/[B] of the structural unit [A] to the structural unit [B] in the cyclic olefin polymer is greater than or equal to 5/95 and less than or equal to 95/5,, in Formula (1), at least one of R1 to R4 is selected from hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an aryloxy group having 6 to 20 carbon atoms, an alkoxyalkyl group having 2 to 10 carbon atoms, an aryloxyalkyl group having 7 to 20 carbon atoms, an alkoxycarbonyl group having 2 to 20 carbon atoms, a dialkylaminocarbonyl group having 3 to 10 carbon atoms, an aryloxycarbonyl group having 7 to 20 carbon atoms, an alkylarylaminocarbonyl group having 8 to 20 carbon atoms, an alkoxycarbonylalkyl group having 3 to 30 carbon atoms, an alkoxycarbonylaryl group having 8 to 30 carbon atoms, an aryloxycarbonylalkyl group having 8 to 20 carbon atoms, an alkoxyalkyloxycarbonyl group having 3 to 20 carbon atoms, and an alkoxycarbonylalkyloxycarbonyl group having 4 to 30 carbon atoms, R1 to R4 may be bonded to one another to form a ring structure, and n represents an integer of 0 to 2, and, in Formula (2), at least one of R5 to R8 is selected from hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an aryloxy group having 6 to 20 carbon atoms, an alkoxyalkyl group having 2 to 10 carbon atoms, an aryloxyalkyl group having 7 to 20 carbon atoms, an alkoxycarbonyl group having 2 to 20 carbon atoms, a dialkylaminocarbonyl group having 3 to 10 carbon atoms, an aryloxycarbonyl group having 7 to 20 carbon atoms, an alkylarylaminocarbonyl group having 8 to 20 carbon atoms, an alkoxycarbonylalkyl group having 3 to 30 carbon atoms, an alkoxycarbonylaryl group having 8 to 30 carbon atoms, an aryloxycarbonylalkyl group having 8 to 20 carbon atoms, an alkoxyalkyloxycarbonyl group having 3 to 20 carbon atoms, and an alkoxycarbonylalkyloxycarbonyl group having 4 to 30 carbon atoms, R5 to R8 may be bonded to one another to form a ring structure, n represents an integer of 0 to 2, and X1 represents —O— or —S—.