Toughened thermoset laminates

Details Toughened thermoset laminates Toughened thermoset laminates

1984-03-20

1985-06-18

Jacobs, Lewis T.

Stock material or miscellaneous articles

Composite

Of epoxy ether

156242, 156330, 428290, 523409, 523412, 523414, B32B 2738

Patent

active

045241074

ABSTRACT:
Disclosed is a water-based thermosetting epoxy composition of a water compatible epoxy resin, about 5 to about 35%, based on a total solids, of a water compatible impact modifier, about 1.5 to about 7%, based on the weight of the epoxy resin, of a water compatible epoxy hardener, up to about 0.3%, based on the weight of the epoxy resin, of a catalyst, and sufficient water to provide a viscosity of about 100 to about 500 centipoises. The impact modifier is a copolymer of about 10 to about 60% ethylene, propylene, or mixtures thereof, and about 40 to about 90% vinyl acetate, vinyl chloride, or mixtures thereof. Also disclosed are laminates prepared from this composition and a method of preparing them.

REFERENCES:
patent: 3641195 (1972-02-01), Ball et al.
patent: 3806483 (1974-04-01), Juba et al.
patent: 3905931 (1975-09-01), Ziegert
patent: 3941857 (1976-03-01), Wu
patent: 4009224 (1977-02-01), Warnken
patent: 4222918 (1980-09-01), Zentner et al.

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