Patent ID: 6468589
Filing Date: 2002-10-22
Classification: C08G,C08J,C08L,H01B,H05K

Abstract:
A composition for film formation, comprising:50 mole % or more of a ploymer having repeating structural units represented by the following formula (1), said structral unit having one or more alkyl groups therein: wherein R1's are the same or different and each represents an alkyl group;wherein a to d are the same or different and each is an integer of 0 to 4; and wherein X in formula (1) is at least one group selected from groups (A) to (L) represented by the following formula (2): wherein R2's are the same or different and each represents an alkyl group;wherein e's are the same or different and each is an integer of 0 to 4; wherein f's are the same or different and each is an integer of 0 to 3; and wherein g's are the same or different and each is an integer of 0 to 2; and wherein the polymer has at least one repeating structural unit represented by the formula (1) wherein a+b+c+d is 1 or larger.