摘要:
This invention relates to novel azo-dicarbonylo derivatives of a C3-C4 olefin polymers of the formula
These can be prepared by reacting an ene compound such as a polypropylene or a polybutene, especially those with a vinylidene group, with an enophile such as X-CO-N=N-CO-Y. The resultant products can be used either as such or after furthere functionalisation with eg polyamines as an additive for fuels and lubricants.
摘要:
A fuel composition for two-cycle engines comprising a major amount of fuel boiling in the gasoline range and a minor amount of a lubricant composition comprising a base oil of lubricating viscosity and an additive formulation comprising (1) a molybdenum/sulfur complex of a basic nitrogen compound, (2) a carboxylic acid amide, and (3) a succinimide.
摘要:
A covalently bonded reaction product of: (a) a sulfomaleic anhydride adduct with an unsaturated hydrocarbon polymer; and (b) a polar molecule containing at least one primary or secondary amino group. y
摘要:
Improved dispersant/VI improver luboil additives are produced by reacting a star polymer with an alpha, beta unsaturated carboxylic acid or derivative to form an activated star polymer, which is then reacted with a) an alkyl carboxylic acid and b) an alkylamine or alkane polyol, or with the preformed product of reactants a) and b).
摘要:
Disclosed are alkylphenyl poly(oxyalkylene) aminocarbamates having at least one basic nitrogen and an average molecular weight of about 800 to 6,000 and wherein the alkyl group contains at least 40 carbon atoms. Also disclosed are lubricating oil compositions and concentrates containing said alkylphenyl poly(oxyalkylene) aminocarbamates. Also disclosed is a fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from about 30 to about 5,000 parts per million of a fuel-soluble alkylphenyl poly(oxyalkylene) aminocarbamate having at least one basic nitrogen and an average molecular weight of about 800 to 6,000 and wherein the alkyl group contains at least 40 carbon atoms. The instant invention is based on the discovery that use of the unique hydrocarbyl group, i.e., an alkylphenyl group wherein the alkyl group contains at least 40 carbon atoms provides for improved lubricating oil compatibility.
摘要:
Lubricant additives having dispersant and anti-oxidant properties can be prepared:
(A) by reacting (i) homopolymers of alpha-monoolefins having 2 to 10 carbon atoms, or copolymers of such olefins with non-conjugated dienes or trienes, said homopolymers or copolymers having molecular weights of 300 to 3500, with (ii) at least one olefinic carboxylic acid acylating agent to form a reaction intermediate having a carboxylic acid acylating function, and (B) reacting the resulting intermediate from (A) with an amino-aromatic polyamine selected from (a) an N-arylphenylene diamine, (b) an aminothiazole, (c) an aminocarbazole, (d) an amino-indazolinone, (e) an aminomercaptotriazole, or (f) an aminoperimidine.
摘要:
L'invention concerne des additifs aux lubrifiants résultant de la condensation d'une amine primaire ou secondaire et/ou d'une alkylène polyamine sur un copolymère ayant des groupements carboxyliques vicinaux. Comme alkylène polyamine on utilise le plus souvent les dérivés de la phénothiazine, de la naphtylamine et de la diphenylamine. Ces composés sont utilisables comme additifs multifonctionnels aux lubrifiants.
(a) a sulfomaleic anhydride adduct with an unsaturated hydrocarbon polymer; and (b) a polar molecule containing at least one primary or secondary amino group.