| 摘要 |
Resin compositions, comprising a high molecular weight copolymer having a molecular weight of at least 300,000, obtained by copolymerizing a styrenic monomer and an acrylic or methacrylic monomer, with or without another monomer, in the presence of a polyfunctional polymerization initiator, have wide molecular weight distribution and are suitable as binders for electrophotographic toners.
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