Transfer belt for image forming apparatus
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United States of America Patent
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Aug 17, 2010
Grant Date -
Dec 20, 2007
app pub date -
Aug 3, 2005
filing date -
Aug 4, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a multi-layered transfer belt for image forming apparatus including a base layer, an elastic layer (intermediate layer) and a surface layer, having a high surface resistivity, an excellent toner releasing property and an excellent non-contaminating property. The transfer belt for image forming apparatus is characterized in including, on the base layer, an elastic layer containing an elastomer and a surface layer formed by a fluorine-containing polymer, and preferably further characterized in that the elastic layer is formed by an elastomer rendered ionic conductive, or in that a binder layer is included between the elastic layer and the surface layer, and that the binder layer is formed by a material having a melting point equal to or lower than a thermal decomposition point of the material constituting the elastic layer and a thermal decomposition point equal to or higher than a melting point of the material constituting the surface layer.
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