Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1987-09-30
1990-04-17
Henderson, Christopher
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
428516, 428517, 428519, 428520, B32B 2708
Patent
active
049179446
ABSTRACT:
The invention describes a weatherable, plasticizer-free, uncrosslinked, and deep-drawable sheet, especially for the internal outfitting and external outfitting of automotive vehicles, as well as a process for its production, containing 65-25% by weight of a partially crystalline ethylene-propylene-diene terpolymer and 35-75% by weight of a homo- and/or copolymer of propylene, 0-10% by weight of fillers, as well as stabilizers and lubricants, the extruded or calendered sheet exhibiting a tensile strength at break in the longitudinal direction of at least 20 N/mm.sup.2. An advantageous further development of the invention comprises a composite sheet of EPDM/PP sheet with a crosslinked polyolefin foam layer.
REFERENCES:
patent: 4433073 (1984-02-01), Sano
patent: 4459380 (1984-07-01), Vostovich
patent: 4634735 (1987-01-01), Thiersault
patent: 4751121 (1988-06-01), Kuhnel
EPO, 0052469, May 26, 1982.
Breitscheidel Hans-Ulrich
Kautz Rudolf
Kuhnel Werner
Simm Manfred
Spielau Paul
Henderson Christopher
Huels Troisdorf Aktiengesellschaft
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