Title:
ELECTROCONDUCTIVE ROLLER AND IMAGE FORMATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/009234
Kind Code:
A1
Abstract:
The objective of the present invention is to provide an electroconductive roller having excellent durability, and adhesiveness between a base layer and a surface layer. In order to achieve this objective, this electroconductive roller 1 comprises at least a shaft 2, a base layer 3 formed on the outer peripheral side of the shaft 2, an intermediate layer 5 formed on the base layer 3, and a surface layer 4 formed on the intermediate layer 4, wherein the electroconductive roller 1 is characterized in that: the base layer 3 includes a urethane resin; the intermediate layer 5 includes a radical curable resin having a plurality of hydroxyl groups and a plurality of (meth)acryloyl groups, and an isocyanate containing polymeric MDI and modified polymeric MDI; the content amount of the radical curable resin is 30-100 mass parts to 100 mass parts of the isocyanate; and the surface layer 4 includes a radical curable resin containing a (meth)acryloyl group.
More Like This:
Inventors:
ATAMI KIYOHIKO (JP)
Application Number:
PCT/JP2019/026878
Publication Date:
January 09, 2020
Filing Date:
July 05, 2019
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B32B1/08; G03G15/08; B32B27/40; C08G18/67; C08G18/76; F16C13/00; G03G15/00; G03G15/02; G03G15/16; G03G15/20
Domestic Patent References:
| WO2017135284A1 | 2017-08-10 |
Foreign References:
| JP2016010949A | 2016-01-21 | |||
| JP2002132070A | 2002-05-09 | |||
| US20110020633A1 | 2011-01-27 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
Download PDF:
Previous Patent: STOPPER
Next Patent: IRON-BASED SINTERED MEMBER, IRON-BASED POWDER MIXTURE, AND METHOD FOR MANUFACTURING IRON-BASED SINTE...
Next Patent: IRON-BASED SINTERED MEMBER, IRON-BASED POWDER MIXTURE, AND METHOD FOR MANUFACTURING IRON-BASED SINTE...