Modification of (CO)polymers with unsaturated peroxyacids
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United States of America Patent
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Sep 5, 1995
Grant Date -
N/A
app pub date -
Oct 28, 1993
filing date -
Oct 28, 1993
priority date (Note) -
Expired
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Abstract
A process for the modification of a (co)polymer selected from C.sub.3 -C.sub.10 .alpha.-olefin polymers, ethylene polymers, diene polymers and copolymers of C.sub.3 -C.sub.10 .alpha.-olefins with ethylene and/or diene, to make the (co)polymer more suitable for reinforcement with polymer reinforcing material is disclosed. In the process, the (co)polymer is contacted with an acid group-containing unsaturated peroxide to modify the (co)polymer. The modification process results in improved properties such as adhesion to PUR lacquer and improved mechanical properties. Also disclosed are a modification process carried out in the presence of an unsaturated coagent as well as the use of acid group-containing unsaturated peroxides for the modification of (co)polymers. Finally, the process may be carried out in a single processing step or in two or more successive processing steps.
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