Alpha-olefin/propylene copolymers and their use - Patent US7105609(B2)
Filed:
Feb 09, 2006
Published:
Sep 12, 2006
Abstract
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.Applicants
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EXXONMOBIL CHEM PATENTS INC
Inventors
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DATTA SUDHIN
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COZEWITH CHARLES
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GADKARI AVINASH CHANDRAKANT
Application Number
11351187Priority Claims
US91000197Family Members
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