Lubricant composition for brake system
AssigneeHyundai Mobis Co., Ltd.
InventorsKang Won Seo, Choong Sik Shin, Hyun Chul Kim, Yeon Chan Koo, Im Gee Baek, Hyun Woong Lee, Han Eum Park
Life of this patent
Estimating the term…
Abstract
A lubricant composition with excellent high-temperature operability, the lubricant composition including: 85 wt % to 95 wt % of a polyalkylene glycol base oil; 1 wt % to 5 wt % of an antioxidant; 1 wt % to 5 wt % of a first anti-wear extreme-pressure additive; and 1 wt % to 5 wt % of a second anti-wear extreme-pressure additive, wherein the antioxidant includes an amine-based compound, the first anti-wear extreme-pressure additive includes an amine salt of phosphate, and the second anti-wear extreme-pressure additive includes a nano-diamond dispersion.
Claims10
A lubricant composition comprising, based on a total weight of the lubricant composition:
- 85 wt % to 95 wt % of a polyalkylene glycol base oil;
- 1 wt % to 5 wt % of an antioxidant;
- 1 wt % to 5 wt % of a first anti-wear extreme-pressure additive;
- and
- 1 wt % to 5 wt % of a second anti-wear extreme-pressure additive,
- wherein the antioxidant comprises an amine-based compound,
- the first anti-wear extreme-pressure additive comprises an amine salt of phosphate, and
- the second anti-wear extreme-pressure additive comprises a nano-diamond dispersion.
Dependencies are inferred from the claim text.