Modified polyolefin resin
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United States of America Patent
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Issued Date -
Aug 16, 2007
app pub date -
Feb 14, 2005
filing date -
Feb 26, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A modified polyolefin resin which is obtained by graft modifying a propylene-based random copolymer having a melting point of 50 to 130.degree. C. obtainable by polymerization in the presence of a metallocene catalyst, with an unsaturated carboxylic acid and/or its derivative, and has a weight average molecular weight of 15,000 to 200,000, the graft weight of the unsaturated carboxylic acid and/or its derivative therein being in the range of 0.2 to 50% by weight, is suited as a binder, a primer, an adhesive and the like against a base to which a coating or the like is difficult to adhere in a stable manner. The polyolefin resin of the present invention is superior in adhesive strength, gasohol resistance, blocking resistance and the like. The polyolefin resin of the present invention is also superior in adhesive strength even when low temperature baking is conducted.
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