Heat-curable bismaleimide resins

Details Heat-curable bismaleimide resins Heat-curable bismaleimide resins

1990-08-15

1991-10-22

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 2240

Patent

active

050596659

ABSTRACT:
Heat-curable bismaleimide resins containing an aromatic alkenyl compound, preferably o,o'-diallylbisphenol A, and a Lewis acid as an additive for prolonging the pot life at elevated temperatures are suitable for impregnating reinforcing fibers, rovings so impregnated having a prolonged gel time and being usable for fabrication of wound structures.

REFERENCES:
patent: 4100140 (1978-07-01), Zahir et al.
patent: 4173592 (1979-11-01), Suzuki et al.
patent: 4737568 (1988-04-01), Stenzenberger
patent: 4743647 (1988-05-01), Domeier
patent: 4853449 (1989-08-01), Domeier

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