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    • 9. 发明授权
    • Resin binder for toner composition
    • 用于调色剂组合物的树脂粘合剂
    • US5154999A
    • 1992-10-13
    • US204953
    • 1988-06-09
    • Kuniyasu KawabeNorihiro HayashiShinichiro Yasuda
    • Kuniyasu KawabeNorihiro HayashiShinichiro Yasuda
    • C08F212/04G03G9/087
    • G03G9/08733C08F212/04G03G9/08711
    • A novel resin is produced by the step of polymerizing (a) styrene and/or a derivative thereof, (b) a monomer component selected, alone or in combination of two or more, from the group consisting of methacrylic acid, acrylic acid, a methacrylic ester and an acrylic ester, and (c) 0.05 to 10 percent by weight, based on the total weight of the monomers, of a polybasic acid having 7 to 40 carbon atoms, an anhydride thereof or a lower (C1 to C6) alkyl ester thereof, the monomer component (b) containing at least one acrylic or methacrylic ester having hydroxyl or epoxy group in at least equimolar amount to the component (c) and has a softening point of 100.degree. to 160.degree. C. and a glass transition temperature of 50.degree. C. or higher. It is useful as a binder resin for a toner composition.
    • 通过聚合(a)苯乙烯和/或其衍生物的步骤制备新型树脂,(b)单独或两种或多种组合选自甲基丙烯酸,丙烯酸, 甲基丙烯酸酯和丙烯酸酯,和(c)0.05至10重量%,基于单体的总重量,具有7至40个碳原子的多元酸,其酸酐或下(C 1至C 6)烷基 酯,所述单体组分(b)含有至少一种具有羟基或环氧基的丙烯酸或甲基丙烯酸酯至少等摩尔量的组分(c),并且具有100-160℃的软化点和玻璃化转变温度 温度在50℃以上。 作为调色剂组合物的粘合剂树脂是有用的。