| 摘要 |
A polyolefin graft polymer is prepared by the graft polymerization of at least one ethylenically unsaturated monomer onto a polyolefin using a perester free radical initiator selected from the group consisting of t-butyl 2-ethylperhexanoate, t-amyl 2-ethylperhexanoate, t-butyl 3,5,5-trimethylperhexanoate, t-amyl 3,5,5-trimethylperhexanoate, t-butyl 2-ethylperbutyrate, t-amyl 2-ethylperbutyrate, t-butyl perisobutyrate and t-amyl periso butyrate.
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