| 摘要 |
Disclosed are functionalized polyolefins prepared by mixing a polyolefin with a concentrate and extruding the resulting blend, wherein said concentrate is in the form of olefin polymer particles coated with a mixture of additives comprising: 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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