Thermoplastic elastomers
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United States of America Patent
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May 17, 1988
Grant Date -
N/A
app pub date -
Sep 2, 1986
filing date -
Sep 11, 1985
priority date (Note) -
Expired
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Abstract
Thermoplastic elastomers made of 48 to 88% by weight of ethylene-propylene-diene-rubber (EPDM), 10 to 50% by weight of polypropylene (PP) and 2 to 20% by weight of a third polymer and 5 to 60% by weight of softening oil, based on the total of EPDM, PP and the third polymer, and optionally further conventional constituents, have the advantage that the softening oil does not exude.
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