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Poly(2,6‐dimethyl‐1,4‐phenylene ether) (PPO®) capping and its significance in the preparation of PPO®/epoxy laminate
Author(s) -
Chao Herbert S.I.,
Whalen Jana M.
Publication year - 1996
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19960118)59:3<473::aid-app12>3.0.co;2-v
Subject(s) - epoxy , materials science , phenylene , curing (chemistry) , fire retardant , epoxide , trimethylolpropane , copolymer , diglycidyl ether , polymer chemistry , catalysis , composite material , organic chemistry , bisphenol a , chemistry , polyurethane , polymer
The thermal expansion property at 288°C of poly(2,6‐dimethyl‐1,4‐phenylene ether) (PPO®)/epoxy laminate was found to be affected by the PPO/epoxy copolymer content in the laminate. Capping of redistributed PPO with epoxide‐containing reagents such as Araldite® EPN 1138 and an “upstaged” resin was readily accomplished with tetraethylammonium hydroxide or N , N ‐dimethylaminopyridine as the catalyst during the varnish preparation step. The resulting PPO/epoxy laminate maintained the nonlofting property despite the presence of phenolic hardener (curing accelerator) and antimony pentoxide (flame retardant) in the formulation. © 1996 John Wiley & Sons, Inc.