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US 2021/0246310 A1Published application
Composition, film formed from the composition, sliding member having the film, and method for producing the same
AssigneeDuPont Toray Specialty Materials Kabushiki Kaisha
InventorsTakahiko SASAKI, Tetsuji YAMAGUCHI
Life of this patent
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Abstract
A film is formed by use of a composition containing (A) a binder resin, (B) a hard particle, and (C) a solid lubricant selected from the group containing molybdenum disulfide and graphite, wherein the composition contains tungsten carbide as the hard particle, and wherein weight ratio of (B) the hard particles and (C) the solid lubricant, (B)/(C), is in the range of 1 to 3.
Claims12
A composition, comprising:
- (A) a binder resin;
- (B) a hard particle;
- and
- (C) a solid lubricant selected from the group consisting of molybdenum disulfide and graphite;
- wherein the composition comprises tungsten carbide as the hard particle, and wherein weight ratio of (B) the hard particles and (C) the solid lubricant, (B)/(C), is in the range of 1 to 3.
2 more elements
A method for forming a lubricating film on surface of a member, comprising the steps of:
- (I) preparing a composition comprising (A) a binder resin, (B) a hard particle, and (C) a solid lubricant selected from the group consisting of molybdenum disulfide and graphite, wherein the composition comprises tungsten carbide as the hard particle, and wherein weight ratio of (B) the hard particles and (C) the solid lubricant, (B)/(C), is in the range of 1 to 3;
- (II) applying the composition on surface of a member;
- and
- (III) heat-curing the applied composition, thereby forming a lubricating film on surface of the member.
1 more element
Dependencies are inferred from the claim text.