Thermoplastic olefin elastomers and process for their preparation
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United States of America Patent
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Aug 26, 2003
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N/A
app pub date -
May 9, 1995
filing date -
Dec 15, 1992
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Expired
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Abstract
Disclosed are thermoplastic elastomeric compositions include: A) from 10 to 80% by weight of one or more crystalline polymer of propylene containing from 0.05 to 15% in moles of ethylenic unsaturation, or a mixture of the above polymer with a saturated thermoplastic olefin polymer in quantities lower than or equal to 80% by weight; B) from 20 to 90% by weight of an unsaturated elastomeric olefin polymer; the compositions having been dynamically cross-linked with a cross-linking agent which includes a free radical generator.
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