Fixing member, fixing apparatus, image forming apparatus, and method of producing fixing member
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United States of America Patent
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Jul 25, 2017
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N/A
app pub date -
Sep 9, 2016
filing date -
Oct 6, 2015
priority date (Note) -
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Abstract
A fixing member including a surface layer having high resistance to wear is provided. The fixing member includes a surface layer containing polytetrafluoroethylene (PTFE) and a fluorine resin having a melting point lower than that of the PTFE. In the DSC (endothermic) curve obtained by heating a sample of the surface layer at a temperature raising rate of 20° C./min with a differential scanning calorimeter (DSC), an endothermic peak 1 having a peak top in the temperature range of 330° C. or more and 340° C. or less, and an endothermic peak 2 having a peak top in the temperature range lower than that of the endothermic peak 1 are present, and the sum ΔH of the amount of heat of fusion based on the endothermic peak 1 and the amount of heat of fusion based on the endothermic peak 2 is 40 J/g or more and 55 J/g or less.
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