Thermoformable polymer blend composition comprising styrene polymer, olefin polymer and block copolymer
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United States of America Patent
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May 31, 1983
Issued Date -
N/A
app pub date -
Jan 16, 1981
filing date -
Jun 11, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A thermoformable polymer blend composition comprising at least 50% by weight of an olefin polymer such as polyethylene or polypropylene, from 10 to 48% by weight of a styrene polymer and from 2 to 40% by weight of a thermoplastic styrenic block copolymer rubber, preferably a styrene-butadiene-styrene block copolymer, which acts as a compatibilizer for the olefin and styrene polymers in the blend. This blend can be formed on conventional machinery to give products having the beneficial properties of both types of polymers.
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