Patent ID: 7964691

Claim:
A copolymer containing units represented by the following formula (1) and olefin units: wherein Y 1 and Y 2 are independently of each another a hydrogen atom, a halogen atom, a hydroxyl group, a nitrile group, an aldehyde group, an alkyl group, an aralkyl group, an aryl group, a silyl group, a siloxy group, an alkoxy group, an aralkyloxy group, an aryloxy group, an acyl group, an amino group, an amide group, an imide group, a thiol group, a hydrocarbylthio group, an aralkylthio group, an arylthio group, or a thioester group, and Y 1 and Y 2 may be linked with each other to form a ring; A 1 , A 2 , A 3 , A 4 , A 5 , A 6 , A 7 , A 8 , A 9 and A 10 are independently of one another a hydrogen atom, a halogen atom, an alkyl group, an aralkyl group, an aryl group, a silyl group, a siloxy group, an alkoxy group, an aralkyloxy group, an aryloxy group, an amino group, an amide group, an imide group, or a hydrocarbylthio group; m is 0 or 1; and n is an integer of 1 to 20, and wherein the units represented by the formula (1) comprise units represented by the following formula (2), whose relative configuration between A 7 and A 8 is a trans-form: wherein all the symbols contained in the formula (2) are the same as those defined in the formula (1).