Toughened thermosetting compositions for composites

Details Toughened thermosetting compositions for composites Toughened thermosetting compositions for composites

1983-10-21

1984-11-13

Griffin, Ronald W.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

156330, 427386, 428268, 525119, 525121, 525122, C08G 5942, H01B 340, B29D 302

Patent

active

044826591

ABSTRACT:
Disclosed is a water based thermosetting epoxy composition of a water compatible epoxy resin, about 5 to about 35% based on total solids of a water polymerized impact modifier in a water based latex, 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 400 centipoises. The compositions are used to prepare high impact strength, high damping laminates.

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Drake et al., "Elastomer-Modified Epoxy Resins for Structural Applications", Sampe Quarterly, Jul. 1975, pp. 11-21.

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