Patent ID: 6528605
Filing Date: 2003-03-04
Classification: C08G

Abstract:
A diyne-containing (co)polymer which contains at least 10 mol % repeating units represents by the following formula (1) and has a weight-average molecular weight of from 500 to 1,000,000:&Brketopenst;Câ‰¡C&Parenopenst;Y&Parenclosest;nCâ‰¡Câ€”Ar&Brketclosest;â€ƒâ€ƒ(1) wherein Y represents a bivalent organic group represented by the following formula (3): wherein R3 to R6 may be the same or different and each represents a hydrogen atom, a fluorine atom, an alkyl group, a halogenated alkyl group, or an aryl group; n represents 1; and Ar represents at least one organic group selected from the group consisting of 1,2-phenylene, 1,3-phenylene, 1,4-phenylene and one of the following groups (a) to (j):