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    • 22. 发明授权
    • Method for producing hydroxyl group-containing polymer particles
    • 制备含羟基聚合物颗粒的方法
    • US07098272B2
    • 2006-08-29
    • US10784183
    • 2004-02-24
    • Yoshihiro InabaTakako KobayashiChisato Urano
    • Yoshihiro InabaTakako KobayashiChisato Urano
    • C08F8/32
    • C08F8/00C08F2800/20C08F2220/1825
    • The present invention provides a method for producing hydroxyl group-containing polymer particles including causing cross-linked polymer particles containing a (meth)acrylate polymer to react in the presence of a metal-containing ester-exchange reaction catalyst with at least one compound selected from the group consisting of a compound including at least two hydroxyl groups and a compound including at least one primary amino group and at least one hydroxyl group, the cross-linked polymer particles comprising the (meth)acrylate polymer represented by the following formula (I): wherein R1 represents a hydrogen atom or a methyl group; R2 to R4 may be the same or different from each other, and each independently represents a substituted or non-substituted alkyl group or a substituted or non-substituted aryl group, any one of which has 1 to 12 carbon atoms; and n represents an integer of 1 or more.
    • 本发明提供一种含羟基聚合物颗粒的制造方法,其包括使含有(甲基)丙烯酸酯聚合物的交联聚合物颗粒在含金属的酯交换反应催化剂存在下与至少一种选自 由包含至少两个羟基的化合物和包含至少一个伯氨基和至少一个羟基的化合物组成的组,所述交联聚合物颗粒包含由下式(I)表示的(甲基)丙烯酸酯聚合物, :其中R 1表示氢原子或甲基; R 2至R 4可以彼此相同或不同,并且各自独立地表示取代或未取代的烷基或取代或未取代的芳基 ,其中任何一个具有1至12个碳原子; n表示1以上的整数。
    • 26. 发明授权
    • Microcapsule, microcapsule toner and process for preparation thereof
    • 微胶囊,微胶囊调色剂及其制备方法
    • US5336581A
    • 1994-08-09
    • US887049
    • 1992-05-26
    • Yoshihiro InabaTakeshi Mikami
    • Yoshihiro InabaTakeshi Mikami
    • B01J13/14B01J13/22G03G9/08G03G9/087G03G9/093B01J13/16G03C1/72
    • B01J13/22B01J13/14G03G9/09321G03G9/09328Y10T428/2985Y10T428/2987Y10T428/2989
    • A microcapsule comprising a capsule shell having at least one polymer structure selected from the group consisting of a polyurea resin, a polyurethane resin, a polyamide resin, a polyester resin and an epoxy resin and containing a block and/or graft copolymer formed by the vinyl polymerization of vinyl monomers initiated by the decomposition of a polymerization-initiating azo group which has been previously incorporated in the polymer structure. A process for the preparation of a microcapsule, which comprises the steps of: (a) allowing a first capsule shell-forming monomer and a second capsule shell-forming monomer, at least one of which contains a polymerization-initiating azo group, to undergo reaction in the inside and/or at the border of an oily drop to form a capsule shell containing a polymerization-initiating azo group and having at least one polymer structure selected from the group consisting of a polyurea resin, a polyurethane resin, a polyamide resin, a polyester resin and an epoxy resin, and then (b) allowing vinyl monomers to be vinyl-polymerized to said capsule shell. A microcapsule toner which comprises the above microcapsule in which the vinyl monomers contain a charge controlling group. A process for the preparation of a microcapsule toner which comprises the above process for the preparation of a microcapsule in which the vinyl monomers contain a charge controlling group.
    • 一种微胶囊,其包含具有至少一种聚合物结构的胶囊壳,所述聚合物结构选自聚脲树脂,聚氨酯树脂,聚酰胺树脂,聚酯树脂和环氧树脂,并且含有由所述乙烯基聚合物形成的嵌段和/或接枝共聚物 通过先前并入聚合物结构中的聚合引发偶氮基的分解引发的乙烯基单体的聚合。 一种制备微胶囊的方法,其包括以下步骤:(a)使第一胶囊壳形成单体和第二胶囊壳形成单体中的至少一种含有聚合引发偶氮基团进行 在油滴的内部和/或边界处的反应形成含有聚合引发偶氮基的胶囊壳,并且具有至少一种选自聚脲树脂,聚氨酯树脂,聚酰胺树脂的聚合物结构 ,聚酯树脂和环氧树脂,然后(b)使乙烯基单体与所述胶囊壳乙烯基聚合。 一种微胶囊调色剂,其包含上述微胶囊,其中乙烯基单体含有电荷控制基团。 一种制备微胶囊调色剂的方法,其包括上述制备其中乙烯基单体含有电荷控制基团的微胶囊的方法。