Patent ID: 9634252
Date: 2017-04-25
CPC Classifications: C08G,H01L,Y02E

Claim:
1. A polymer comprising a repeating unit containing a bivalent group represented by the following formula (1), wherein R is a monovalent group selected from hydrogen, halogen, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkanoyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, X is an atom selected from oxygen, sulfur, or selenium, and Y and Z are each independently a bivalent group selected from a carbonyl group, a sulfinyl group, or a sulfonyl group, with a case where Y and Z are both the carbonyl groups being excluded.