Grease composition
Patent
·
OSTI ID:6502852
A grease composition is described comprising a major amount of a lubricating oil, a polyurea gellant in an amount sufficient to thicken the lubricating oil to grease consistency, and an effective amount in the range of 0.1 to 20 weight percent to improve the low shear stability of the polyurea thickened grease of a polymer having a pKa value greater than 5.0.
- Assignee:
- Chevron Research Co., San Francisco, CA
- Patent Number(s):
- US 4661276
- OSTI ID:
- 6502852
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020500* -- Petroleum-- Products & By-Products
AMIDES
CARBONIC ACID DERIVATIVES
CHEMICAL COMPOSITION
COLLOIDS
DISPERSIONS
GELS
GREASES
HYDROCARBONS
LUBRICANTS
LUBRICATING OILS
MECHANICAL PROPERTIES
OILS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PRESSURE DEPENDENCE
QUANTITY RATIO
SHEAR PROPERTIES
UREA
020500* -- Petroleum-- Products & By-Products
AMIDES
CARBONIC ACID DERIVATIVES
CHEMICAL COMPOSITION
COLLOIDS
DISPERSIONS
GELS
GREASES
HYDROCARBONS
LUBRICANTS
LUBRICATING OILS
MECHANICAL PROPERTIES
OILS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PRESSURE DEPENDENCE
QUANTITY RATIO
SHEAR PROPERTIES
UREA