Nitrogen containing polymers as charge enhancing additive for
electrophotographic toner
    1.
    发明授权
    Nitrogen containing polymers as charge enhancing additive for electrophotographic toner 失效
    含氮聚合物作为电子照相调色剂的电荷增强添加剂

    公开(公告)号:US4415646A

    公开(公告)日:1983-11-15

    申请号:US354472

    申请日:1982-03-03

    摘要: This invention is directed to positively charged developer compositions and toner compositions, the toner composition being comprised of resin particles, pigment particles, and from about 0.1 to about 10 percent by weight of the toner particles of a polymeric charge enhancing additive selected from the group consisting of those additives of the following formulas: ##STR1## wherein a and b are percentage numbers equaling 100, a being from about 20 weight percent to about 99 weight percent, and b being from about 80 weight percent to about 1 weight percent, n is a repeating number ranging from about 3 to about 300, Z is an oxygen atom, c is the number zero or 1, Y is an alkyl or aromatic radical, Z' is selected from the group consisting of aliphatic, aromatic, and heterocyclic radicals, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently selected from alkyl radicals containing from about 1 to about 22 carbon atoms, X is an anion, a' is a number of from about 50 to about 500, R.sub.1 ' is hydrogen or an alkyl radical containing from 1 to about 22 carbon atoms; as well as methods of developing electrostatographic images utilizing such compositions.

    摘要翻译: 本发明涉及带正电荷的显影剂组合物和调色剂组合物,该调色剂组合物由树脂颗粒,颜料颗粒组成,和约0.1至约10重量%的聚合物电荷增强添加剂的调色剂颗粒,其选自 的下式的添加剂:其中a和b的百分数等于100,a为约20重量%至约99重量%,b为约80重量%至约1重量% n为重复数,范围为约3至约300,Z为氧原子,c为数字0或1,Y为烷基或芳基,Z'选自脂族,芳族, 和杂环基,R 1,R 2,R 3和R 4独立地选自含有约1至约22个碳原子的烷基,X为阴离子,“为约50至约500的数,R 1'为氢 r为含有1至约22个碳原子的烷基; 以及利用这种组合物开发静电图像的方法。