Title:
LIGHT-SHIELDING SLIDING FILM, LIGHT-SHIELDING SLIDING MEMBER, AND RESIN COMPOSITION FOR LIGHT-SHIELDING SLIDING FILM
Document Type and Number:
WIPO Patent Application WO/2018/110251
Kind Code:
A1
Abstract:
Provided are a light-shielding sliding film, a light-shielding sliding member, and the like having excellent coating film strength and abrasion resistance. A light-shielding sliding film 21 containing at least: a urethane-based binder resin which is a cured material of a polyol and a polyisocyanate curing agent, the blending ratio of the polyol and the polyisocyanate curing agent being 1:1.21-1.40 in terms of the ratio of NCO groups of the polyisocyanate curing agent and OH groups of the polyol; carbon black; and a particulate wax is provided on one or more surfaces 11a, 11b of a substrate 11. Preferably, the light-shielding sliding film 21 essentially does not contain an inorganic filler having an average particle diameter D50 of 3.0 µm or greater and/or resin beads having an average particle diameter D50 of 3.0 µm or greater.
Inventors:
NAGAHAMA TSUYOSHI (JP)
Application Number:
PCT/JP2017/042261
Publication Date:
June 21, 2018
Filing Date:
November 24, 2017
Export Citation:
Assignee:
KIMOTO KK (JP)
International Classes:
G02B5/00; B32B27/20; B32B27/40; C08G18/10; C08J7/043; C08J7/046; C08K3/04; C08L23/26; C08L75/04; C08L91/06; G02B1/04; G03B9/02; G03B9/10; G03B9/36
Domestic Patent References:
| WO2016186097A1 | 2016-11-24 | |||
| WO2006016555A1 | 2006-02-16 | |||
| WO2008156006A1 | 2008-12-24 | |||
| WO2012005148A1 | 2012-01-12 |
Foreign References:
| JP2011123255A | 2011-06-23 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
Download PDF: