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New synthesis of polyamides and related condensation polymers by using N‐trimethylsilyl‐substituted diamine monomers
Author(s) -
Inai Yoshio
Publication year - 1992
Publication title -
makromolekulare chemie. macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 0258-0322
DOI - 10.1002/masy.19920540129
Subject(s) - diamine , polyamide , trimethylsilyl , monomer , condensation , condensation polymer , polymer , polymer chemistry , chemistry , organic chemistry , materials science , physics , thermodynamics
This article reviews our current work on the synthesis using N‐trimethylsilyl‐substituted diamines for polyamides and related condensation polymers. The polycondensations of N‐silylated aromatic diamines with aromatic dicarboxylic acid chlorides proceeded much more rapidly and yielded higher molecular weight aramids, compared with the polymerizations using the parent diamines. Thus, this method is efficient and versatile over the conventional diamine route for the synthesis of aramids, as well as other diamine‐based condensation polymers including polybenzoxazoles and polyimides having high molecular weights.