THERMALLY REVERSIBLE ISOCYANATE-BASED POLYMERS

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...

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Bibliographische Detailangaben
Hauptverfasser:	CREMEANS, GEORGE E, BIGG, DONALD M, MARKLE, RICHARD A, SOWELL, SYLVESTER, BRUSKY, PHYLLIS L, ELHARD, JOEL D
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	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 a s polypropylene and polyethylene terephthalate. Novel phenolic-hydroxyl terminated polyarylsulfide and polyarylimidazolidine oligomers and their preparation are also de- scribed.