ELASTIC MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
PROBLEM TO BE SOLVED: To provide an elastic member including an elastic layer that has suppressed a reduction in pulling strength.SOLUTION: There is provided an elastic member comprising an elastic layer that includes a rubber material and a softening agent having a number average molecular weight M...
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Main Authors | , |
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Format | Patent |
Language | English Japanese |
Published |
09.03.2017
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide an elastic member including an elastic layer that has suppressed a reduction in pulling strength.SOLUTION: There is provided an elastic member comprising an elastic layer that includes a rubber material and a softening agent having a number average molecular weight Mn of 600 or more and 1000 or less, where the ratio of the weight average molecular weight Mw to the number average molecular weight Mn (Mw/Mn) is 2.5 or less.SELECTED DRAWING: Figure 1
【課題】引張り強さの低下が抑制された弾性層を有する弾性部材を提供すること。【解決手段】ゴム材料と、数平均分子量Mnが600以上1000以下であり、かつ数平均分子量Mn及び重量平均分子量Mwの比率(Mw/Mn)が2.5以下の軟化剤とを含む弾性層を有する弾性部材である。【選択図】図1 |
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Bibliography: | Application Number: JP20150174192 |