发明名称 |
MASTER BATCH FOR PRODUCTION OF TONERS USED IN ELECTROPHOTOGRAPHY |
摘要 |
There is disclosed a method of producing a master batch for the production of toner particles used in electrophotography, which comprises: (a) preparing a resin solution; (b) preparing a mixture which has a dye or a pigment finely dispersed in the resin solution; and (c) removing the solvent from the mixture. There is also provided a method of producing toner particles for use in electrophotography, which, in addition to the above steps (a), (b) and (c) for the preparation of a master batch, further comprises: (d) adding a further amount of a second binder resin to the master batch together with an effective amount of an additive when necessary, to form a second mixture, and kneading the second mixture to a composition; and (e) crushing the composition to toner particles.
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申请公布号 |
CA2022911(A1) |
申请公布日期 |
1991.02.10 |
申请号 |
CA19902022911 |
申请日期 |
1990.08.08 |
申请人 |
BANDO CHEMICAL INDUSTRIES, LTD. |
发明人 |
KOBAYASHI, MASAAKI;NAGASE, TAKAYUKI;NONAKA, KEIZO;YAMAGUCHI, KIYOTAKA;YAMAGUCHI, KATSUYA |
分类号 |
G03G9/08;(IPC1-7):G03G9/08 |
主分类号 |
G03G9/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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