Composite plastic moldings and a process for their production

Details Composite plastic moldings and a process for their production Composite plastic moldings and a process for their production

1988-01-04

1989-01-10

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264 464, 264 466, 4283186, 4283193, 4284233, B29C 6720, B32B 326

Patent

active

047973200

ABSTRACT:
A composite plastic molding made up of a plastic foam and having a polyurethane skin is made by heating a reactive one-component system to form a polyurethane skin and then joining the polyurethane skin to the plastic foam. The one-component system is composed of a finely divided polyisocyanate in which from 0.1 to 25 equivalent percent of the isocyanate groups have been deactivated, a polyamine and/or polyol having a molecular weight of from 400 to 8000 and optionally a chain extending agent, a catalyst and known auxiliaries and additives.

REFERENCES:
patent: 4060439 (1977-11-01), Rosemund
patent: 4576855 (1986-03-01), Okina et al.
patent: 4680367 (1987-07-01), Kopp et al.

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