Co-extruded laminate consisting of at least one sheet of polypro

Details Co-extruded laminate consisting of at least one sheet of polypro Co-extruded laminate consisting of at least one sheet of polypro

1982-03-10

1984-08-07

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428516, 428 35, 525 98, 525 71, 15624411, B32B 2708

Patent

active

044644396

ABSTRACT:
Thermoplastic laminate suited for thermo-forming, consisting of at least one sheet of crystalline polypropylene and of at least one sheet of polymeric material consisting of a mixture of high-impact polystyrene (from 1% to 75% by weight), crystalline polypropylene (from 20% to 85% by weight) and of styrene/dienic monomer block copolymer with three or more sequences (from 5% to 15% by weight).

REFERENCES:
patent: 4031166 (1977-07-01), Bronstert et al.
patent: 4111349 (1978-09-01), Buckler et al.
patent: 4133923 (1979-01-01), Blunt
patent: 4197377 (1980-04-01), Bohm et al.
patent: 4292355 (1981-09-01), Bonis
patent: 4386187 (1983-05-01), Grancio et al.

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