发明授权
- 专利标题: Toner for electrophotography
- 专利标题(中): 电子照相用碳粉
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申请号: US811540申请日: 1991-12-20
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公开(公告)号: US5232809A公开(公告)日: 1993-08-03
- 发明人: Mitsutoshi Anzai , Noboru Akuzawa , Yuuji Matsuura , Kayoko Watanabe
- 申请人: Mitsutoshi Anzai , Noboru Akuzawa , Yuuji Matsuura , Kayoko Watanabe
- 申请人地址: JPX Tokyo
- 专利权人: Hodogaya Chemical Co., Ltd.
- 当前专利权人: Hodogaya Chemical Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 主分类号: G03G9/097
- IPC分类号: G03G9/097
摘要:
Provided is a toner for electrophotography, comprising a binder resin, a colorant and a charge control agent; said charge control agent comprising an aluminum compound represented by the following formula: ##STR1## wherein R.sub.1 represents an alkyl group, a cycloalkyl group or an aralkyl group; R.sub.2 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aralkyl group, an aryl group, a hydroxyl group or an alkoxyl group; n represents an integer of 2 or 3; and M represents a hydrogen atom, an alkali metal, or an ammonium, aliphatic ammonium or alicyclic ammonium ion.
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