Title:
CLEANING BLADE FOR ELECTROPHOTOGRAPHIC EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2018/003364
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a cleaning blade for electrophotographic equipment, the cleaning bladeensuring both greater hardness and low fragility and achieving excellent toner scraping properties. The cleaning blade 10 includes a blade part 12 comprising a cured material of a urethane composition containing polyol, isocyanate, and a crosslinker or a chain-extender. The content of the isocyanate is 28.0% by mass or more of the entire composition. The crosslinker or chain-extender contains at least a triol, and comprises one or more types of a diol and a triol having a molecular weight of 150 or less. The content of the crosslinker or the chain-extender is 4.0% by mass or less of the entire composition. The content of the triol is 0.8% by mass or more of the entire composition.
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Inventors:
TAKEYAMA KADAI (JP)
ISHIDA MASANORI (JP)
ARATA TOSHIHIKO (JP)
MIYAGAWA SHIMPEI (JP)
ISHIDA MASANORI (JP)
ARATA TOSHIHIKO (JP)
MIYAGAWA SHIMPEI (JP)
Application Number:
PCT/JP2017/019588
Publication Date:
January 04, 2018
Filing Date:
May 25, 2017
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
International Classes:
G03G15/00; G03G15/08; G03G21/00
Foreign References:
| JP2016009078A | 2016-01-18 | |||
| JP2016126123A | 2016-07-11 |
Attorney, Agent or Firm:
WENO & PARTNERS (JP)
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