发明授权
- 专利标题： Carrier for electrophotography and two-component developer
- 专利标题（中）： 电子照相载体和双组分显影剂
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申请号： US12555109申请日： 2009-09-08
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公开(公告)号： US08263302B2公开(公告)日： 2012-09-11
- 发明人: Yoshihiro Moriya , Akihiro Kotsugai , Toyoshi Sawada , Ryota Inoue , Akiyoshi Sabu , Shingo Sakashita
- 申请人： Yoshihiro Moriya , Akihiro Kotsugai , Toyoshi Sawada , Ryota Inoue , Akiyoshi Sabu , Shingo Sakashita
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Cooper & Dunham LLP
- 优先权： JP2008-233831 20080911
- 主分类号： G03G9/00
- IPC分类号： G03G9/00
摘要：
A carrier for electrophotographic developer, including a core material; and a layer comprising a binder resin, located overlying the core material, wherein the binder resin includes a segment including one or more polymerizable vinyl monomers as a structural unit; and another segment including a partial cleavage structure of polyhedral oligomeric silsesquioxane and/or another partial cleavage structure of polyhedral oligomeric silsesquioxane as a structural unit.