C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/40 (2006.01) C08G 18/38 (2006.01) C08G 18/42 (2006.01) C08G 18/44 (2006.01) C08G 18/64 (2006.01) C08G 18/80 (2006.01) C08G 73/06 (2006.01) C08G 75/02 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2114238
Thermally-reversible polymer compositions are obtained by reacting compounds with isocyanate and labile-hydrogen func- tionality. Aromatic polyimide, aromatic polycarbonate, polyarylsulfide, aromatic polyester with liquid crystal property, and poly- arylimidazolidine oligomers are incorporated into the isoeyanate or labile hydrogen compounds to give high-performance charac- teristics. Such thermally-reversible isocyanate-based polymer compositions with high-performance characteristics are useful, among other Things, as finish surface coatings on composite materials such as polypropylene and polyethylene terephthalate. Novel phenolic-hydroxyl terminated polyarylsulfide and polyarylimidazolidine oligomers and their preparation are also de- scribed.
Bigg Donald M.
Brusky Phyllis L.
Cremeans George E.
Elhard Joel D.
Markle Richard A.
Battelle Memorial Institute
Fetherstonhaugh & Co.
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