Patent classifications
C10M107/50
Energy efficient, temporary shear thinning siloxane lubricants and method of using
A method of using energy-efficient lubricant compositions to reduce wear between two surfaces exposed to a high shear condition is provided. The lubricant compositions comprise polysiloxane base oils having alkyl, aryl, or a combination of alkyl and aryl functionality. The polysiloxane base oils may be defined according to the formula: ##STR00001##
wherein R, and R′ are independently selected, such that R is an alkyl group having between 1-3 carbon atoms; R′ is an alkyl or aryl group having between 6 to 20 carbon atoms; and m and n are integers, such that 25<(m+n)<500 and the ratio of m/(m+n) is greater than 0.05 and less than 1.00.
DETERGENT COMPOSITION, CLEANING METHOD, SOLVENT COMPOSITION, USE THEREOF AS SOLVENT FOR OIL, AND OIL COMPOSITION CONTAINING SAME
An object of the present invention is to provide a solvent and a detergent that have excellent basic properties as solvents or detergents, such as solubility, and that have a boiling point, flammability, toxicity, GWP, and ODP that are all within preferable ranges.
To achieve the above object, the present invention provides a solvent composition or detergent composition comprising a hydrochlorofluoropropene represented by the formula: CX.sub.3CX═CX.sub.2, wherein each X is the same or different and is F or Cl, at least one X is F, and at least three X are Cl; the hydrochlorofluoropropene having an atmospheric pressure boiling point of 50° C. or higher.
DETERGENT COMPOSITION, CLEANING METHOD, SOLVENT COMPOSITION, USE THEREOF AS SOLVENT FOR OIL, AND OIL COMPOSITION CONTAINING SAME
An object of the present invention is to provide a solvent and a detergent that have excellent basic properties as solvents or detergents, such as solubility, and that have a boiling point, flammability, toxicity, GWP, and ODP that are all within preferable ranges.
To achieve the above object, the present invention provides a solvent composition or detergent composition comprising a hydrochlorofluoropropene represented by the formula: CX.sub.3CX═CX.sub.2, wherein each X is the same or different and is F or Cl, at least one X is F, and at least three X are Cl; the hydrochlorofluoropropene having an atmospheric pressure boiling point of 50° C. or higher.
Lubricant Coating and Medical Injection Device Comprising Such a Coating
The invention relates to a lubricant coating (5) for a medical injection device (1), comprising successively: —a bottom layer (50) in contact with the medical device surface (21) of the container to be lubricated, comprising a mixture of cross-linked and non-cross-linked poly-(dimethylsiloxane), —an intermediate layer (51) consisting essentially of oxidized poly-(dimethylsiloxane) and having a thickness comprised between 10 and 30 nm and, —a top layer (52) consisting essentially of non-cross-linked poly-(dimethylsiloxane) and having a thickness of at most 2 nm. The invention also relates to a medical injection device comprising such a lubricant coating, and a manufacturing process for said coating.
Lubricant Coating and Medical Injection Device Comprising Such a Coating
The invention relates to a lubricant coating (5) for a medical injection device (1), comprising successively: —a bottom layer (50) in contact with the medical device surface (21) of the container to be lubricated, comprising a mixture of cross-linked and non-cross-linked poly-(dimethylsiloxane), —an intermediate layer (51) consisting essentially of oxidized poly-(dimethylsiloxane) and having a thickness comprised between 10 and 30 nm and, —a top layer (52) consisting essentially of non-cross-linked poly-(dimethylsiloxane) and having a thickness of at most 2 nm. The invention also relates to a medical injection device comprising such a lubricant coating, and a manufacturing process for said coating.
Lubricating oil compositions containing pre-ceramic polymers
A lubricating composition comprises an oil of lubricating viscosity, a metal-free pre-ceramic polymer and one or more co-additives. The metal-free pre-ceramic polymer comprises a plurality of repeat units which do not contain oxygen. The pre-ceramic polymers provide the lubricating oil composition with antiwear properties. Also described is a method of lubricating an internal combustion engine and the use of a lubricating oil composition containing a pre-ceramic polymers to inhibit wear in an internal combustion engine.
Lubricating oil compositions containing pre-ceramic polymers
A lubricating composition comprises an oil of lubricating viscosity, a metal-free pre-ceramic polymer and one or more co-additives. The metal-free pre-ceramic polymer comprises a plurality of repeat units which do not contain oxygen. The pre-ceramic polymers provide the lubricating oil composition with antiwear properties. Also described is a method of lubricating an internal combustion engine and the use of a lubricating oil composition containing a pre-ceramic polymers to inhibit wear in an internal combustion engine.
ULTRA-LOW FRICTION MATERIALS FOR LUBRICATING SURFACES, DEVICES THEREWITH, AND METHODS OF MANUFACTURE AND USE THEREOF
A polymeric material mixture comprising a fluorine-containing polymer, a siloxane polymer, and at least two polymer processing additives (PPA), wherein the at least two polymer processing additives have different chemistries. For example, there can be a flexible coextruded pipe for providing a protective housing for cables, fluids, sludge or solids, the pipe comprising a pair of telescopically related inner and outer layers, where said inner layer is lubricated with the polymeric material mixture.
COATING COMPOSITION FOR PRODUCING ARTICLE
A coating composition for producing an article is disclosed. The coating composition includes a blend of a polymer resin and a lubricating oil, wherein the coating composition is in a liquid-phase By using the coating composition, it is possible to produce the article which can be used in various industries, only with a simple process of molding and curing a polymer resin by the technique of the prior art.
COATING COMPOSITION FOR PRODUCING ARTICLE
A coating composition for producing an article is disclosed. The coating composition includes a blend of a polymer resin and a lubricating oil, wherein the coating composition is in a liquid-phase By using the coating composition, it is possible to produce the article which can be used in various industries, only with a simple process of molding and curing a polymer resin by the technique of the prior art.