Composite foam structure

Details Composite foam structure Composite foam structure

1978-05-04

1979-06-05

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428420, B32B 326

Patent

active

041574168

ABSTRACT:
A composite structure comprising a layer of initially resilient foam material having open and connected cells one portion of which is impregnated with a first polymerizable resin system and another portion of which is impregnated with a second polymerizable resin system and which resin systems are concurrently polymerized while maintaining the resilient foam layer under compression whereby each polymerized resin is disposed as a continuous and rigid resin phase throughout respectively adjacent portions of said foam material.

REFERENCES:
patent: 3867221 (1975-02-01), Chant
patent: 3944704 (1976-03-01), Dirks
patent: 4034137 (1977-05-01), Hofer
patent: 4042746 (1977-08-01), Hofer
patent: 4042751 (1977-08-01), Roth
patent: 4051296 (1977-09-01), Windecker

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