Title:
CHARGING MEMBER FOR ELECTROPHOTOGRAPHIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/106929
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a charging member for an electrophotographic apparatus, wherein image defects due to the bleeding of an ion-conductive agent are suppressed, and excellent chargeability can be maintained. Provided is a charging member 10 for an electrophotographic apparatus, the charging member comprising: a base layer 14 composed of a conductive rubber elastomer; and a surface layer 16, wherein the base layer 14 is a crosslinked body of a conductive rubber composition containing a) a crosslinkable rubber, (b) a crosslinking agent, (c) an ion-conductive agent represented by general formula (1), and (d) carbon black. R1 and R2 are aryl groups, R3 is a methyl group or an ethyl group, and R4 is C6-8 linear alkyl group. X- is a sulfonate anion having a fluorine atom, or a bis(sulfonyl)imide anion having a fluorine atom.
More Like This:
| JP2000289822 | MEANDER PREVENTIVE GUIDE AND ENDLESS BELT |
| JPS60195566 | DISCHARGING DEVICE |
Inventors:
KASHIHARA SHINKICHI (JP)
HORIUCHI TAKERU (JP)
HORIUCHI TAKERU (JP)
Application Number:
PCT/JP2018/035584
Publication Date:
June 06, 2019
Filing Date:
September 26, 2018
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
International Classes:
G03G15/02; C08J3/24; C08K3/04; C08K5/19; C08L21/00; G03G15/00; G03G15/08
Domestic Patent References:
| WO2011007731A1 | 2011-01-20 |
Foreign References:
| JP2014142529A | 2014-08-07 | |||
| JP2006189894A | 2006-07-20 | |||
| JP2014065811A | 2014-04-17 | |||
| JP2005031203A | 2005-02-03 | |||
| JP2013097118A | 2013-05-20 | |||
| US20150064403A1 | 2015-03-05 |
Attorney, Agent or Firm:
WENO & PARTNERS (JP)
Download PDF: