Patent ID: 8697823
Filing Date: 2014-04-15
Classification: C08F,C08G,C08K

Abstract:
1. A method of chain extending and/or cross-linking an oligomer or a polymer comprising a carbon-carbon triple bond, the method comprising the step of: heating the oligomer or polymer in the presence of a cyclic aliphatic tertiary amine, a heteroaryl comprising at least one nitrogen atom within the aromatic ring, which nitrogen atom has one electron pair being part of the delocalized aromatic electrons and one electron pair not being part of the delocalized aromatic electrons, or a tertiary nucleophilic organophosphorus compound, wherein said carbon-carbon triple bond is conjugated with a group selected from the group consisting of —C(O)—, —C(O)O—, —C(O)NH—, —C(O)NC1-5 alkyl, —SO 2 —, and -Ph.