ENDLESS BELT
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United States of America Patent
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app pub date -
Oct 10, 2017
filing date -
Dec 24, 2015
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Abstract
Provided is an endless belt in which surface cracks due to ozone deterioration, and a belt deformation tendency can be inhibited. The endless belt is intended for use in an electrophotographic image forming device. The endless belt includes a tubular base layer and an elastic layer laminated on the outer circumference of the base layer. The elastic layer includes a cured material of a composition containing a polycarbonate polyol, a polyisocyanate, and a rubber polymer having a double bond. A mass ratio of the polycarbonate polyol and the rubber polymer in the composition may be in a range of 5:95 to 95:5. The rubber polymer preferably contains at least one of an acrylonitrile-butadiene rubber and an epichlorohydrin rubber.
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