Polymeric compositions suitable for use in the medical field and containing a polyolefin, a polysiloxane and an elastomer
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United States of America Patent
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Jun 25, 1985
Grant Date -
N/A
app pub date -
Apr 26, 1983
filing date -
Apr 26, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Polymeric compositions comprising 5-60%, preferably 12 to 40%, of a thermoplastic olefin polymer, 1-10%, preferably 2 to 6%, of a siloxane polymer and 30-94%, preferably 58 to 86%, of an elastomer. The olefin polymer can be polyethylene or a polar ethylene copolymer. The siloxane polymer can contain polycarbonate blocks. The elastomer can be an amorphous polyamide of low crystallinity, a thermoplastic elastomer, an ionomer, or a styrene/butadiene copolymer. The compositions are particularly useful in the medical field, for example in the form of tubing.
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