Olefinic thermoplastic elastomer and moldings thereof
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United States of America Patent
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May 25, 2010
Grant Date -
Dec 29, 2005
app pub date -
Mar 27, 2003
filing date -
Mar 27, 2002
priority date (Note) -
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Abstract
An olefinic thermoplastic elastomer with improved properties can be obtained by melting and kneading a graft copolymer, acrylic rubber, a crosslinking agent, and a co-crosslinking agent. The graft copolymer is composed of an olefin polymer segment formed from a nonpolar α-olefin monomer and a vinyl polymer segment formed from a vinyl monomer, with particles of one segment being dispersed in the other segment. The particle diameter is 0.01 to 1 μm. The acrylic rubber can be obtained by polymerizing a monomer mixture containing methoxyethyl acrylate.
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