Thermoplastic multi-layer foil structure

Details Thermoplastic multi-layer foil structure Thermoplastic multi-layer foil structure

1979-01-29

1980-11-18

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

156 94, 1563066, 156334, 260 23, 264 37, 264DIG69, 428327, 428518, 428519, 428520, B32B 2708, B32B 516

Patent

active

042346630

ABSTRACT:
A thermoplastic multi-layer foil structure comprises a styrenic polymer layer and an olefinic polymer layer bonded by an intermediary polymer layer comprising at least one layer constituted by a bonding agent. In this multi-layer structure, at least one layer containing scrap produced from said multi-layer foil structure is included in the latter, said scrap-containing layer including a mixture of said scrap with a convenient proportion of a graft copolymer of a styrenic monomer on a polyolefinic substrate.

REFERENCES:
patent: 3026229 (1962-03-01), Wilcox
patent: 3824114 (1974-07-01), Vassiliades
patent: 3962018 (1976-06-01), Costemalle
patent: 3977153 (1976-08-01), Schrenk
patent: 4045603 (1977-08-01), Smith
patent: 4097648 (1978-06-01), Pringle
patent: 4111349 (1978-09-01), Buckler
patent: 4123584 (1978-10-01), Brewton

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