Fixing member, fixing apparatus and electrophotographic image forming apparatus
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United States of America Patent
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Feb 13, 2018
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app pub date -
Jun 19, 2017
filing date -
Jul 28, 2016
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Abstract
The present invention is directed to providing a fixing member that can form high quality electrophotographic images. The fixing member includes a substrate, an elastic layer on the substrate and a surface layer bonded to the elastic layer with an adhesive layer. The surface layer contains a fluorine resin. The surface layer having a thermal resistance in the thickness direction of 3.0×10−5 m2·K/W or more and 1.3×10−4 m2·K/W or less and the peel adhesion strength between the surface layer and the elastic layer is 3.0 N/cm or more and 20.0 N/cm or less, while the elastic layer undergoes a cohesive failure in a peel test between the surface layer and the elastic layer and the fluorine resin contains a tetrafluoroethylene/perfluoroethyl vinyl ether copolymer, the polymerization ratio of perfluoroethyl vinyl ether in the copolymer being 3.0 mol % or more and 5.8 mol % or less.
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