Title:
オイルシール用コーティング剤
Document Type and Number:
Japanese Patent JP7273968
Kind Code:
B2
Abstract:
A coating agent for oil seal comprising 10 to 90 parts by weight in total of fluororesin particles having a particle size of 2 µm or less and filler particles other than fluororesin particles having a particle size of 0.5 to 30 µm, and 10 to 40 parts by weight of a wax having a melting point of 40 to 160°C, based on 100 parts by weight of isocyanate group-containing 1,2-polybutadiene, and being prepared as an organic solvent solution, wherein the fluororesin particles are used at a ratio of 20 to 80 wt.% of the total filler amount. The coating agent for oil seal can improve abrasion resistance while maintaining the roughness of a coating surface to which the coating agent is applied.
Inventors:
Natsumi Yasunaga
Application Number:
JP2021533892A
Publication Date:
May 15, 2023
Filing Date:
June 30, 2020
Export Citation:
Assignee:
NOK CORPORATION
International Classes:
C09D109/00; C09D7/61; C09D7/65; C09D191/06
Domestic Patent References:
| JP2008189892A | ||||
| JP9109703A |
Foreign References:
| CN108587404A | ||||
| KR1020190023583A |
Attorney, Agent or Firm:
Kazuko Yoshida