Block copolymers and process for their preparation
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United States of America Patent
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Jun 27, 2006
Grant Date -
Apr 22, 2004
app pub date -
Jan 10, 2002
filing date -
Jan 10, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A block copolymer having structural formula A-B or A-B-A, wherein A is a crystallizable isotactic polypropylene block segment and B is an amorphous olefin elastomeric block segment; the novel crystallizable block copolymer may be used as it is as a molding material, or as a compatibilizer, a surfactant, a mechanical property improvement agent and the like for other polyemers.
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