Fiber/resin composites and method of preparation

Details Fiber/resin composites and method of preparation Fiber/resin composites and method of preparation

1993-08-18

1996-07-23

Berman, Susan W.

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 20, 522 24, 522 26, 522 29, 522 40, 522 41, 522 42, 522 43, 522 44, 522 46, 522 48, 522 60, 522 68, 522170, 522173, 522182, 428 345, 428 347, 428 361, C08F 250, C08L 6300

Patent

active

055390129

ABSTRACT:
Resin compositions useful for filament winding applications comprising an epoxy component including at least one polyepoxide resin curable by heat, an olefinicially unsaturated monomer component including at least one polyolefinically unsaturated monomer curable by actinic radiation, a cyanate ester component including at least one cyanate ester compound having at least two cyanate functional groups per molecule, at least one organic peroxide, at least one photoinitiator, and a heat activated curing agent for epoxides. The compositions have a viscosity less than about 2000 centipoise (cps) and are capable of retaining this viscosity for at least about 6 months at about ambient temperature. The resins are capable of being immobilized by actinic radiation exposure and further heat cured without substantial resin drip. One or more organic peroxides are employed, selected from the group of organic peroxides having 10 hour decomposition half-lives at temperatures of from about 50.degree. C. to less than about 104.degree. C. Also, fiber resin composites comprising fiber substrates impregnated with the dual-curing resin compositions. Also the process for coating fiber substrates with the dual-curing resin compositions is disclosed.

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