Polyurethane foamed in-situ against skin terpolymer comprising e

Details Polyurethane foamed in-situ against skin terpolymer comprising e Polyurethane foamed in-situ against skin terpolymer comprising e

1983-07-18

1985-02-19

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

156 79, 4283184, 4283191, 4283199, B32B 2740

Patent

active

045005966

ABSTRACT:
Laminate compositions composed of polyurethane between and bonded to a substrate and a membrane of polyethylene, polypropylene or copolymer of ethylene and propylene modified to adhere to polyurethane for use as an insitu construction material. For example, chlorinated polyethylene, chlorosulfonated polyethylene or ethylene propylene diene monomer 20 to 50 mil film bonded to a polyurethane which was foamed in place over a corrugated steel roof to form a water tight roof construction.

REFERENCES:
patent: 2999041 (1961-09-01), Lappala
patent: 3507730 (1970-04-01), Gambill et al.
patent: 3616171 (1971-10-01), Hoskinson, Sr.
patent: 4162597 (1979-07-01), Kelly
patent: 4214034 (1980-07-01), Kodera et al.

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