Foam laminate foil or web and process for preparing same

Details Foam laminate foil or web and process for preparing same Foam laminate foil or web and process for preparing same

1985-08-12

1986-03-18

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

156196, 156222, 264321, 4283177, 4283197, B32B 326, B32B 2708

Patent

active

045768609

ABSTRACT:
A foam laminate foil or web and process therefor. The laminate includes an unfoamed top layer containing an elastomer grafted styrene-acrylonitrile copolymer (ASA), grafted with polyfunctional acrylates and a chlorinated polyethylene (PEC) and/or a rubber-like ethylene-propylene mixed polymer (EPM) and/or a rubber-like terpolymer of ethylene, propylene and a diene, a closed pore polyolefin bottom layer with a bulk density of 30 kg/m.sup.3 to 700 kg/m.sup.3 which includes an ethylene homo- or copolymer, and an intermediate layer arranged between the bottom layer and the top layer and which acts as a coupling agent. The intermediate layer includes a low pressure polyethylene, an ethylene-vinyl ester copolymer and a rubber-like ethylene-propylene mixed polymer (EPM) and/or a rubber-like terpolymer of ethylene, propylene and a diene (EPDM).

REFERENCES:
patent: 3861994 (1975-01-01), Stark
patent: 3911190 (1975-10-01), Myers et al.
patent: 4278629 (1981-07-01), Bennett

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