Concentrates suitable for the preparation of functionalized polyolefins and functionalization process using said concentrates
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United States of America Patent
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Dec 16, 1997
Grant Date -
N/A
app pub date -
May 27, 1993
filing date -
May 29, 1992
priority date (Note) -
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Abstract
Disclosed are functionalized polyolefins prepared by mixing a polyolefin with a concentrate and extruding the resulting blend, where the concentrate is in the form of olefin polymer particles coated with a mixture of additives including: A) from 0.05 to 30% by weight, based on the total weight of the concentrate, of one or more nonpolymerizable polar vinyl monomers; B) from 0.05 to 30% in moles, with respect to (A), of a free radical generating initiator which is not active at temperatures lower than or equal to 70.degree. C., and optionally, C) from 0.1 to 5% by weight, based on the total weight of the concentrate, of a coating substance.
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