发明名称 |
Negative charge controlling agent and static charge image developing toner using the same, and method for producing the same |
摘要 |
A negative charge controlling agent, wherein: the negative charge controlling agent comprises polycondensation product obtained by a polycondensation reaction of phenols and aldehydes; and the phenols comprises a (A) mononucleus phenolic compound which has one phenolic hydroxy group in which a hydrogen is bonded at the ortho position of a hydroxyl group of the phenolic hydroxy group and a (B) multinucleus phenolic compound which has at least two phenolic hydroxy groups in which a hydrogen is bonded at the ortho position of a hydroxyl group of each of the phenolic hydroxy group; and the content of the (B) phenolic compound in the phenols is 1 to 30 mol %. |
申请公布号 |
US8658339(B2) |
申请公布日期 |
2014.02.25 |
申请号 |
US20040542589 |
申请日期 |
2004.01.21 |
申请人 |
ISHIMOTO TAKAYUKI;KUKIMOTO YUTAKA;YATABE SHINJI;FUJIKURA KASEI CO., LTD. |
发明人 |
ISHIMOTO TAKAYUKI;KUKIMOTO YUTAKA;YATABE SHINJI |
分类号 |
G03G9/08;G03G9/087 |
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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