Phenolic cyanate-phenolic triazine copolymers

Details Phenolic cyanate-phenolic triazine copolymers Phenolic cyanate-phenolic triazine copolymers

C - Chemistry, Metallurgy

08

G

402/363, 402/365

C08G 73/06 (2006.01) C08G 8/28 (2006.01)

Patent

CA 1328144

PHENOLIC CYANATE-PHENOLIC TRIAZINE COPOLYMERS ABSTRACT OF THE INVENTION The specification discloses a phenolic cyanate/phenolic triazine copolymer comprising three or more phenolic moieties of the Formula I Image linked by way of at least one of said open valencies to one or more triazine moieties of the Formula II Image and wherein the remainder of the open valencies of said phenolic moieties are substituted with -OH, -OCN, or other triazine moieties, provided that at least one of said remaining open valencies is substituted with a -OCN moiety. The specification discloses cured resins prepared from these compounds which exhibit several advantages over conventional phenolic resins, including solubility in aprotic solvents or meltability for enhance processability, self-cross linking, great stability, and absence of hazardous by-products during cross-linking, higher char-forming properties, better elongation properties and higher glass transition temperatures.

530974

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