Title:
DEVELOPING ROLLER
Document Type and Number:
WIPO Patent Application WO/2022/044461
Kind Code:
A1
Abstract:
Provided is a developing roller that has suitable toner release properties and excellent filming resistance. The developing roller 1 comprises a shaft 2, an elastic layer 3 provided to the outer surface of the shaft 2 and containing a silicone rubber, and a coating layer 4 provided outside the elastic layer 3 and containing a silicone-modified urethane resin. The adhesive force of the coating layer 4 as measured by a nanoindenter is 4.0 μN or less. The capacitance of the coating layer 4 is preferably 11 nF or less at 0.1 Hz.
Inventors:
ONISHI RYUJI (JP)
EGAWA TOSHIHIKO (JP)
NAKADA YOSHIYUKI (JP)
EGAWA TOSHIHIKO (JP)
NAKADA YOSHIYUKI (JP)
Application Number:
PCT/JP2021/020037
Publication Date:
March 03, 2022
Filing Date:
May 26, 2021
Export Citation:
Assignee:
SHINETSU POLYMER CO (JP)
International Classes:
F16C13/00; C08L75/04; G03G15/08
Foreign References:
| JP2009204875A | 2009-09-10 | |||
| JP2017181546A | 2017-10-05 | |||
| JP6629491B2 | 2020-01-15 | |||
| JP2020046467A | 2020-03-26 | |||
| JP2009075382A | 2009-04-09 | |||
| JP2020060749A | 2020-04-16 | |||
| JP2011221442A | 2011-11-04 | |||
| JP2010276899A | 2010-12-09 | |||
| JP2008122952A | 2008-05-29 | |||
| US5810705A | 1998-09-22 |
Attorney, Agent or Firm:
SAKAMOTO & PARTNERS (JP)
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