Title:
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2024/070553
Kind Code:
A1
Abstract:
Provided is a charging roll for an electrophotographic apparatus, the charging roll configured so that any increase in resistance and any bleeding of ionic electroconductive agent while energization persists can be minimized. A charging roll 10 for an electrophotographic apparatus comprises a shaft body 12 and an elastic body layer 14 that is formed on the outer peripheral surface of the shaft body 12. The elastic body layer 14 contains the following components (a) to (c). The content of (c) is preferably 0.1-5.0 mass parts inclusive with respect to 100 mass parts of (a). The content of (b) is preferably 0.5-3.0 mass parts inclusive with respect to 100 mass parts of (a). Components: (a) a hydrin rubber composition with a chlorine content of 14-19% inclusive; (b) an ion conducting agent; and (c) a salt of a cyclic amidine compound.
Inventors:
SUENAGA JUNICHIRO (JP)
KASHIHARA SHINKICHI (JP)
MORITA AKITOSHI (JP)
HORIUCHI TAKERU (JP)
KASHIHARA SHINKICHI (JP)
MORITA AKITOSHI (JP)
HORIUCHI TAKERU (JP)
Application Number:
PCT/JP2023/032605
Publication Date:
April 04, 2024
Filing Date:
September 07, 2023
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
International Classes:
G03G15/02; C08K5/19; C08K5/3442; C08K5/42; C08K5/49; C08L15/02
Foreign References:
| JP2021152563A | 2021-09-30 | |||
| JP2011053536A | 2011-03-17 | |||
| JP2019061045A | 2019-04-18 | |||
| JP2014065811A | 2014-04-17 |
Attorney, Agent or Firm:
YAMADA, Kazuhiro (JP)
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