发明名称 |
Developing roller comprising surface layer containing water-dispersible silica and/or aqueous silicone acrylic graft polymer |
摘要 |
A developing roller which shows an excellent environmental performance and is free from occurrence of toner filming and toner leakage is provided. The developing roller 10 comprises a shaft 1, an elastic layer 2 supported on the outer periphery of the shaft 1, and a single surface layer 3 formed on the outer peripheral surface of the elastic layer 2. The elastic layer 2 comprises a polyurethane foam and the surface layer 3 comprises an aqueous polyurethane resin as a major component and further a water-dispersible silica and/or an aqueous silicone acrylic graft polymer. As the aqueous polyurethane resin, a UV curing resin may be preferably used. |
申请公布号 |
US8401444(B2) |
申请公布日期 |
2013.03.19 |
申请号 |
US20080669162 |
申请日期 |
2008.07.14 |
申请人 |
SUGIMURA TAKAYUKI;KAWANO KOTA;TAGAWA HIROTAKA;BRIDGESTONE CORPORATION |
发明人 |
SUGIMURA TAKAYUKI;KAWANO KOTA;TAGAWA HIROTAKA |
分类号 |
G03G15/08 |
主分类号 |
G03G15/08 |
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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