摘要:
A composition comprises a sulphur free reaction product of: (a)(i) a hydrocarbyl substituted aromatic compound containing an acidic group selected from the group consisting of a carboxylic group, a hydroxyl group and mixtures thereof and (a)(ii) an organic nitrogen-containing base reacted with acidic group. The composition is obtained by a preparatory process and is useful in a method for lubricating an internal combustion engine to include where the lubricant has reduced levels of sulphur, phosphorus and sulphated ash.
摘要:
A composition comprises a sulphur free reaction product of: (a)(i) a hydrocarbyl substituted aromatic compound containing an acidic group selected from the group consisting of a carboxylic group, a hydroxyl group and mixtures thereof; and (a)(ii) an organic nitrogen-containing base reacted with the acidic group. The composition is obtained by a preparatory process and is useful in a method for lubricating an internal combustion engine to include where the lubricant has reduced levels of sulphur, phosphorus and sulphated ash.
摘要:
An interpolymer composition comprising monomer-derived units of (i) at least one of an aliphatic olefin containing from 2 to 30 carbon atoms and a vinyl aromatic monomer, and (ii) at least one alpha, beta-unsaturated acylating agent; wherein a portion of said acylating agent monomers is esterified and wherein a portion of said acylating agent monomers is condensed with at least one aromatic amine, provides good viscosity modification and dispersancy performance.
摘要:
An interpolymer composition comprising monomer-derived units of (i) at least one of an aliphatic olefin containing from 2 to 30 carbon atoms and a vinyl aromatic monomer, and (ii) at least one alpha, beta-unsaturated acylating agent; wherein a portion of said acylating agent monomers is esterified and wherein a portion of said acylating agent monomers is condensed with at least one aromatic amine, provides good viscosity modification and dispersancy performance.
摘要:
The invention provides a lubricating composition containing an oil of lubricating viscosity and a hydrogenated copolymer of an olefin block and vinyl aromatic block, wherein the copolymer is optionally functionalised. The invention further provides a method for preparing a hydrogenated copolymer; and the use of the lubricating composition.
摘要:
The invention provides a lubricating composition containing an oil of lubricating viscosity and a hydrogenated copolymer of an olefin block and vinyl aromatic block, wherein the copolymer is optionally functionalized. The invention further provides a method for preparing a hydrogenated copolymer; and the use of the lubricating composition.
摘要:
A method of enabling remote audience participation at a live venue event includes receiving, at an aggregator, media inputs from one or more user device of one or more users in a subscription roster for participation in a live event; generating an aggregated media stream by processing the media inputs; and forwarding the aggregated media stream to a venue of the live event.
摘要:
The disclosed invention relates to lubricant or functional fluid compositions containing viscosity index improvers in the form of self-healing polymers. The polymers may comprise one or more cleavable linkages, such as one or more disulfide bonds and/or one or more diene/dienophile linkages, to permit the polymer to reform if cleaved during use.
摘要:
Various embodiments are described and illustrated to calculate an insulin bolus, recommend such bolus, and provide reminder messages for performing an additional glucose test.
摘要:
The present invention relates to the use of a RAFT polymer as an antiwear agent in a lubricant. The lubricant may be useful in a number of mechanical devices.