Amorphous hydrated metal oxide primer for composite fibers

Details Amorphous hydrated metal oxide primer for composite fibers Amorphous hydrated metal oxide primer for composite fibers

1985-09-09

1987-07-07

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523204, 264136, 428378, C08K 704, C08K 304

Patent

active

046788204

ABSTRACT:
An amorphous hydrated metal oxide primer for fibers incorporated into fiber reinforced polymeric matrix composites result in composites having wet strength retention. The layer of amorphous hydrated metal oxide is formed by depositing on the fiber and subsequent hydrolysis of a layer of M.sub.x OR.sub.y where x is 1, y is 3 or 4, M is any metal capable of forming a stable alkoxide and R is an organic radical. Fiber reinforced polymeric matrix composites are preferably made by applying a layer of M.sub.x OR.sub.y to the fiber where x is 1, y is 3 or 4, M is any metal capable of forming a stable alkoxide and R is an organic radical. The fiber having a layer of metal alkoxide is exposed to moisture and a temperature of about 25.degree. C. to about 125.degree. C., impregnated with a resin and stacked in a mold. The stacked impregnated fibers are then pressed with optional heat resulting in a composite having wet strength retention.

REFERENCES:
patent: 3440181 (1969-04-01), Olstowski
patent: 3821013 (1974-06-01), Daley et al.
patent: 4379111 (1983-04-01), Smith et al.
patent: 4402779 (1983-09-01), Levy

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