Directly paintable thermoplastic olefin composition containing maleic anhydride-modified polymers
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United States of America Patent
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Dec 26, 2000
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app pub date -
Jul 2, 1999
filing date -
Jan 22, 1997
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Abstract
Directly paintable polymer compositions contain (1) a thermoplastic olefin, (2) a maleic anhydride-grafted propylene homopolymer or random copolymer, (3) a maleic anhydride-grafted olefin polymer material, (4) a functionalized polymer that reacts with the maleic anhydride groups of the grafted polymers, and, optionally, (5) a maleic anhydride-grafted ethylene polymer. The amount of (2)+(3) or (2)+(3)+(5) is at least 16 parts but less than 27 parts per hundred parts of the thermoplastic olefin.
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