Coreactive oligomer blends

Details Coreactive oligomer blends Coreactive oligomer blends

C - Chemistry, Metallurgy

08

G

400/2002, 400/30

C08G 73/12 (2006.01) C08G 81/00 (2006.01) C08J 5/24 (2006.01)

Patent

CA 1339580

The physical properties of high performance composites can be tailored by using coreactive oligomer blends to make the composites. The blends include a first oligomer having an unsaturated hydrocarbon end cap and a second oligomer having an amine, hydrosyl, sulfhydryl, or Image functionality. Upon curing, the oligomers homopolymerize (i.e. addition polymerize) and mutually interlink (i.e. copolymerize) to form composites possessing intermediate properties to those exhibited by the pure oligomers. The coreactive oligomer blends may also include noncrosslinking polymers and other coreactants, as desired. Stiffness or toughness can be increased in thermally stable composites without significant loss of other properties through these coreactive oligomer blends that cure to block copolymers.

611716

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