Oil-in-water emulsion composition
AssigneesApplied Diamond Inc., Japan Lublight Ltd.
InventorsShogo Takahama, Shu-ichi Takeda
Life of this patent
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Abstract
An oil-in-water type (O/W) emulsion lubricant composition includes safe and renewable components that do not have environmental load, exhibits excellent lubrication properties, has excellent handling capability, is economical, and may be applied to tribological fields. The lubricant composition includes water or oil dispersant-treated ultrafine diamond particles in the aqueous phase (W phase) and/or the oil phase (O phase) of an oil-in-water (O/W) emulsion, or includes at least one multiple emulsion state that includes an oiliness improver and/or a composite state that includes a solid lubricant other than the ultrafine diamond particles in the same configuration.
Claims15
An oil-in-water (O/W) emulsion composition comprising ultrafine diamond particles having an average particle size of 100 nm or less, which is treated with a water dispersion dispersant and/or an oil dispersion dispersant, and wherein the ultrafine diamond particles are dispersed in a water phase (W phase) and/or an oil phase (O phase), wherein the ultrafine diamond particles are added and dispersed
- (1) in the water phase (W phase) as a dispersant-treated ultrafine diamond particle water dispersion prepared by treating the ultrafine diamond particles with a water dispersion dispersant and/or
- (2) in an oil phase (O phase) as a dispersant-treated ultrafine diamond particle water dispersion prepared by treating the ultrafine diamond particles with an oil dispersion dispersant, wherein the ultrafine diamond particles in the dispersant-treated ultrafine diamond particle oil dispersion (2) are ultrafine diamond particles which have a water dispersion dispersant and an oil dispersion dispersant.
An oil-in-water (O/W) emulsion composition comprising ultrafine diamond particles having an average particle size of 100 nm or less, which is treated with a water dispersion dispersant and/or an oil dispersion dispersant, and wherein the ultrafine diamond particles are dispersed in a water phase (W phase) and/or an oil phase (O phase), wherein said O/W emulsion composition comprises a multiple emulsion state that includes both the following 1) and 2), 1) and 3), or 1) to 3) at the same time:
- 1) an O/W emulsion composition that includes the ultrafine diamond particles in a water phase (W phase) and/or an oil phase (O phase),
- 2) another O/W emulsion composition newly produced by adding at least one oiliness improver to the water phase (W phase) of the O/W emulsion composition, and
- 3) an emulsion composition that is separately produced from 2) above and is at least one member selected from the group consisting of an oil-in-water (O/W) emulsion composition, a water-in-oil (W/O) emulsion composition, a water-in-oil-in-water (W/O/W) emulsion composition, and an oil-in-water-in-oil (O/W/O) emulsion composition.
A coating member having a modified surface thereof, the coating member being obtained by
- coating the member with an oil-in-water (O/W) emulsion composition comprising ultrafine diamond particles having an average particle size of 100 nm or less, which is treated with a water dispersion dispersant and/or an oil dispersion dispersant, and wherein the ultrafine diamond particles are dispersed in a water phase (W phase) and/or an oil phase (O phase), and
- drying the coated member.
An oil-in-water (O/W) emulsion composition comprising ultrafine diamond particles having an average particle size of 100 nm or less, which is treated with a water dispersion dispersant and/or an oil dispersion dispersant, and wherein the ultrafine diamond particles are dispersed in a water phase (W phase) and/or an oil phase (O phase), wherein said O/W emulsion composition comprises a multiple emulsion state that includes following 1) and 2), 1) and 3), or 1) to 3) at the same time;
- 1) an O/W emulsion composition that includes the ultrafine diamond particles in a water phase (W phase) and/or an oil phase (O phase),
- 2) an O/W emulsion composition that is produced by adding an oiliness improver to the oil phase (O phase) of the O/W emulsion composition of the above 1), and
- 3) an emulsion composition that is separately produced from the above 1), and is at least one member selected from the group consisting of an oil-in-water (O/W) emulsion composition, a water-in-oil (W/O) emulsion composition, a water-in-oil-in-water (W/O/W) emulsion composition, and an oil-in-water-in-oil (O/W/O) emulsion composition.
Dependencies are inferred from the claim text.