PROCESS FOR PRODUCING MODIFIED PROPYLENE POLYMER, MODIFIED PROPYLENE POLYMER OBTAINED BY THE PRODUCTION PROCESS, AND COMPOSITION CONTAINING THE MODIFIED PROPYLENE POLYMER
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United States of America Patent
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Issued Date -
May 28, 2009
app pub date -
Jan 19, 2007
filing date -
Feb 3, 2006
priority date (Note) -
Abandoned
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Abstract
Provided is a process for producing a modified propylene polymer which includes using a radical initiator and an organic acid to modify a propylene homopolymer satisfying the following (a) to (h): (a) mmmm is 40 to 50 mol %; (b) [rrrr/(1−mmmm)]≦0.05; (c) rmrm is 2.5 mol % or more; (d) mm×rr/(mr)2≦2.0; (e) Mw/Mn is 2.5 or lower; (f) Mw is 50,000 to 200,000; (g) [η] is 1.5 dL/g; and (h) Tm is 65 to 85° C. Also provided are: a modified propylene polymer obtained by the production process; and a composition, a surface treatment agent for a polyolefin resin, and a primer each containing the modified propylene polymer.
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