prov:value
| - The olefin polymer, onto which the unsaturated carboxylic acid or its functional derivative or another functional group-containing vinyl monomer is to be grafted, includes, for example, polyolefins such as a high density polyethylene, a medium density polyethylene, a low density polyethylene, polypropylene, polybutene, poly-4-methylpentene-1, an ethylene/??-olefin copolymer and a propylen/??-olefi
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