ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND DEVICE FOR FORMING ELECTROPHOTOGRAPHIC IMAGE
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United States of America Patent
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Issued Date -
Jul 21, 2022
app pub date -
Mar 22, 2022
filing date -
Oct 18, 2019
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Abstract
The electrophotographic electroconductive member includes a support having an electroconductive outer surface, and an electroconductive layer on the surface of the support. The electroconductive layer has a matrix containing a crosslinked product of a first rubber, and domains dispersed in the matrix, and the domains each contain a crosslinked product of a second rubber and electroconductive particles. The matrix has a volume resistivity R1 of more than 1.0×1012 Ω·cm, and the domains each have a volume resistivity R2 lower than the volume resistivity R1 of the matrix. The electroconductive layer further has a pore, and an inner wall of the pore is constituted by a part of the matrix and a part of the domains. The domains constituting the inner wall protrude into the pore at sites on the inner wall.
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