Foamed plastics laminates

Details Foamed plastics laminates Foamed plastics laminates

1981-06-11

1982-12-28

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283184, 4283191, 428329, 428331, B32B 502, B32B 1904

Patent

active

043662030

ABSTRACT:
Laminated foamed plastics articles, especially polyurethane and polyisocyanurate rigid foam panels, are faced with a composite layer of vermiculite lamellae and metal foil, especially aluminum foil. The vermiculite lamellae are preferably size-graded to below 50 microns and form a coating on the metal foil which has a thickness preferably below 50 microns. The laminated articles have good fire resistance properties.

REFERENCES:
patent: 4130687 (1978-12-01), Ballard et al.
patent: 4269628 (1981-05-01), Ballard et al.
patent: 4271228 (1981-06-01), Foster et al.
patent: 4292363 (1981-09-01), Briggs
patent: 4292369 (1981-09-01), Ohashi et al.

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