Polyolefine-polyacrylate based thermoplastic elastomer
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United States of America Patent
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Nov 9, 1999
Grant Date -
N/A
app pub date -
Aug 20, 1997
filing date -
Dec 23, 1994
priority date (Note) -
Expired
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Abstract
A thermoplastic elastomer is achieved by absorbing an acrylate monomer, an initiator and eventually a diacrylate into polyolefin particles, after which the temperature is raised and the acrylate polymerises into the polyolefin and forms a dispersed phase, which has been functionalized by copolymerising a functional monomer together with the acrylate. As a compatibiliser a grafter polyolefin is used, which is melt-blended after the polymerisation into the thermoplastic elastomer or before the polymerisation into the polyolefin.
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