C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/176
C08G 63/64 (2006.01)
Patent
CA 1150443
ABSTRACT MELT PROCESSABLE POLY(ESTER CARBONATE) WITH HIGH GLASS TRANSITION TEMPERATURE Poly(ester carbonate) polymers having carbonate moieties, aromatic or cycloaliphatic dicarboxylic acid moieties and carbonate moieties and having high glass transition temperatures (over 100°C) and being melt processable. At least part of the aromatic dihydric alcohol moieties have the 4-carbon of each of two phenoxies covalently bonded to the same ring carbon of a carbocyclic or heterocyclic moiety. Representative poly(ester carbonates) are formed from bisphenol-A, phenolphthalein, terephthaloyl chloride and phosgene.
371732
Debona Bruce T.
Prevorsek Dusan C.
Allied Corporation
Gowling Lafleur Henderson Llp
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