Unsaturated polyesters
    37.
    发明授权
    Unsaturated polyesters 失效
    不饱和聚酯

    公开(公告)号:US5407772A

    公开(公告)日:1995-04-18

    申请号:US159176

    申请日:1993-11-30

    IPC分类号: C08G63/547 G03G9/087 G03G9/00

    摘要: Unsaturated linear polymers have repeating units of a reaction product of a first monomer, a second monomer, a third monomer and optionally a fourth monomer. The linear polymers have a glass transition temperature ranging from about 52.degree. C. to about 61.degree. C. The first monomer should have a weight average molecular weight less than 200. The second monomer may be a dicarboxylic acid or diester which is different than the third monomer. A concentration of second residues of the polymer, derived from the second monomer, ranges from about 3 wt. % to about 15 wt. %, based on the total weight of the polymer. The third monomer is an aromatic dicarboxylic acid or an ester thereof. In the polymer, a concentration of third residues, derived from the third monomer, ranges from about 40 wt. % to about 55 wt. %, based on the total weight of the polymer. The fourth monomer is a diol having a higher molecular weight than the first monomer. In a process for preparing the inventive polymer, the first, second, third monomer (and optionally a fourth monomer) and/or a catalyst undergo transesterification to form the unsaturated, linear polymer.

    摘要翻译: 不饱和线性聚合物具有第一单体,第二单体,第三单体和任选的第四单体的反应产物的重复单元。 线性聚合物的玻璃化转变温度为约52℃至约61℃。第一单体应具有小于200的重均分子量。第二单体可以是二羧酸或二酯,其不同于 第三单体。 衍生自第二单体的聚合物的第二残余物的浓度范围为约3wt。 %至约15wt。 %,基于聚合物的总重量。 第三单体是芳族二羧酸或其酯。 在聚合物中,衍生自第三单体的第三残基的浓度范围为约40wt。 %至约55wt。 %,基于聚合物的总重量。 第四单体是分子量高于第一单体的二醇。 在制备本发明聚合物的方法中,第一,第二,第三单体(和任选的第四单体)和/或催化剂进行酯交换以形成不饱和的线性聚合物。

    Toner and developer compositions with charge enhancing additives
    38.
    发明授权
    Toner and developer compositions with charge enhancing additives 失效
    具有电荷增强添加剂的调色剂和显影剂组合物

    公开(公告)号:US5166029A

    公开(公告)日:1992-11-24

    申请号:US775869

    申请日:1991-10-15

    IPC分类号: G03G9/097

    CPC分类号: G03G9/09741 G03G9/0975

    摘要: A toner composition comprised of resin particles, pigment particles, and a charge enhancing additive as represented by the following formula ##STR1## wherein R.sub.1 and R.sub.2 are independently selected from the group consisting of alkyl, and R.sub.3 is an aromatic group, and m represents the number of repeating segments.

    摘要翻译: 由以下结构式表示的树脂颗粒,颜料颗粒和电荷增强添加剂组成的调色剂组合物,其中R 1和R 2独立地选自烷基,R 3是芳基 ,m表示重复段的数量。

    Interfacial layer and coating solution for forming the same
    39.
    发明授权
    Interfacial layer and coating solution for forming the same 有权
    用于形成界面层和涂层溶液

    公开(公告)号:US08273514B2

    公开(公告)日:2012-09-25

    申请号:US12471304

    申请日:2009-05-22

    IPC分类号: G03G5/14

    摘要: The present embodiments are generally directed to an improved imaging member exhibiting various advantages over conventional imaging members. More specifically, the present embodiments are directed to an improved interfacial layer formed from an aqueous-based coating solution which exhibits improved formation and coating properties, such as increased homogeneity and adhesion, and methods for making the same. The aqueous-based coating solution is environment-friendly and avoids the need to use more expensive organic solvents which involve higher safety risks in the manufacturing process.

    摘要翻译: 本实施例通常涉及与传统成像构件相比具有各种优点的改进的成像构件。 更具体地说,本实施例涉及一种由水基涂层溶液形成的改进的界面层,其表现出改善的形成和涂层性质,例如增加的均匀性和粘附性,以及制备该界面层的方法。 水性涂​​料溶液是环境友好的,并且避免需要使用更昂贵的有机溶剂,其在制造过程中涉及更高的安全风险。