| 摘要 |
PROBLEM TO BE SOLVED: To provide a styrene polymer useful for a polyolefin composite material field and a manufacturing field of a compatibilizer to easily make a design of a composite material. SOLUTION: The styrene polymer comprises block bonding a polymer chain (I) comprising at least one monomer selected from among styrene and its derivatives, or another polymer chain (I) comprising at least one monomer selected from among the styrene and its derivatives, and at least one monomer selected from among ethylene, a 3-20Cα-olefin, and a cyclic olefin, and still another polymer chain (II) comprising at least one monomer selected from among the ethylene, the 3-20Cα-olefin, the cyclic olefin, the styrene and its derivatives, the polymer chain (I) differing from the polymer chain (II) in at least one among a kind of the monomer, stereoregularity, and a copolymerization composition, and having a graft structure based on a macromonomer.
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