发明名称 |
ELECTROPHOTOGRAPHIC CARRIER, AND DEVELOPER, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE AND CONTAINER CONTAINING DEVELOPER USING THE CARRIER |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrophotographic carrier and the like, having excellent toner spent resistance and wear resistance and showing little changes in a toner charge amount and in picture quality over a long period of time. <P>SOLUTION: The electrophotographic carrier comprises a core material and a coating layer formed by applying and drying a coating layer liquid containing a binder resin on a surface of the core material. The binder resin comprises at least a silicone resin (A) expressed by general formula (1):-(SiR<SP POS="POST">1</SP>R<SP POS="POST">2</SP>O)<SB POS="POST">a</SB>-(SiR<SP POS="POST">3</SP>XO)<SB POS="POST">b</SB>-, an alkoxyalkylated polyamide resin (B) and at least one compound (C) of reactive surfactants expressed by one of general formula (2):Q-(-CONH-G-NHCO-J-)<SB POS="POST">m</SB>-CONH-G-NHCO-Y and general formula (3):Q-(-CONH-G-NHCO-J-)<SB POS="POST">m</SB>-OH. The component (B) has a dispersion diameter of 1 μm or less in the coating layer liquid. <P>COPYRIGHT: (C)2012,JPO&INPIT |
申请公布号 |
JP2012098683(A) |
申请公布日期 |
2012.05.24 |
申请号 |
JP20100248798 |
申请日期 |
2010.11.05 |
申请人 |
RICOH CO LTD;SANYO CHEM IND LTD |
发明人 |
MORIYA YOSHIHIRO;MINAKI MASAJI |
分类号 |
G03G9/113 |
主分类号 |
G03G9/113 |
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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