Notes: The Chemistry of the Aliphatic Esters of Phosphorodithioic Acids. IV. O,O,S-Trialkyl Phosphorodithioates by the Reaction of O,O-Dialkyl Hydrogen Phosphorodithioates with Their Salts
Alcénylsuccinimides, leur procédé de préparation et leur emploi comme additifs pour lubrifiants
申请人:OROGIL
公开号:EP0002158A1
公开(公告)日:1979-05-30
Nouvelles compositions contenant au moins un alcénylsuccinimide de formule:
où
R est un groupe alcényl en C20-C200
m est un nombre entier compris entre 1 et 3
n est un nombre entier compris entre 0 et 2
m + n étant compris entre 1 et 3.
Elles sont obtenues à partir d'un anhydride alcénylsuccinique comprenant un groupe alcényl en C20-C200 et d'au moins une amine de formule:
où X est un nombre entier compris entre 1 et 3, notamment la NNN-tris(amino-9-dioxa-3,6-nonyl)amine.
Elles peuvent être utilisées comme additifs détergents dispersants, anti-rouille et anti-mousse pour huiles lubrifiantes.
含有至少一种式烯基琥珀酰亚胺的新组合物:
式中
R 是 C20-C200 烯基
m 是 1 至 3 之间的整数
n 是 0 至 2 之间的整数
m + n 为 1 至 3 之间的整数。
它们由包含一个 C20-C200 烯基和至少一个式胺的烯基琥珀酸酐获得:
其中 X 为 1 至 3 之间的整数,特别是 NNNN-三(氨基-9-二氧杂-3,6-壬基)胺。
它们可用作润滑油的洗涤分散剂、防锈和消泡添加剂。
Synthesis of alpha-dithiophosphato amides
申请人:THE PROCTER & GAMBLE COMPANY
公开号:EP0131432A2
公开(公告)日:1985-01-16
A process for synthesizing alpha-substituted 0,0-dialkyl dithiophosphato amides, comprising the step of contacting a C8-C22 alpha-chloro amide with an aqueous solution of a salt of an 0,0-dialkyl dithiophosphoric acid, at a temperature above the melting point of the alpha-chloro amide and in the range of from 100°C to 200°C, is disclosed.
Disclosed is a novel sulfidoxymolybdenum dialkylphosphorodithioate represented by the following general formula (I):
wherein R stands for a secondary alkyl group having 4 to 30 carbon atoms and four R's may be the same or different, and X stands for O or S and four X's may be the same or different.
This compound is very valuable as the lubricant additive.
本发明公开了由以下通式(I)代表的新型硫代氧钼二烷基二硫代磷酸酯:
其中 R 代表具有 4 至 30 个碳原子的仲烷基,四个 R 可以相同或不同,X 代表 O 或 S,四个 X 可以相同或不同。
这种化合物作为润滑油添加剂非常有价值。
Composition for improving cold flow properties of middle distillates
申请人:EXXON RESEARCH AND ENGINEERING COMPANY
公开号:EP0465042A1
公开(公告)日:1992-01-08
A wax-containing middle distillate, such as diesel fuel, having improved low temperature flow properties comprises three or more components including (A) an oil-soluble ethylene backbone flow improving polymer such as ethylene vinyl acetate copolymer, (B) a hydrocarbyl substituted amine salt and/or amide of a carboxylic acid or anhydride such as phthalic anhydride salts, and (C) a hydrocarbyl substituted amine salt and/or amide of (I) a benzoic acid derivative such as the dihydrogenated tallow amine salt of an alkyl substituted dithiobenzoic acid or (II) a phosphoric acid derivative such as the dihydrogenated tallow amine salt of dialkyldithiophosphoric acid.
一种含蜡中间馏分油,如柴油,具有更好的低温流动性能,由三种或三种以上组分组成,包括(A)油溶性乙烯骨架流动性改进聚合物,如乙烯-醋酸乙烯共聚物;(B)羧酸或酸酐的烃基取代胺盐和/或酰胺,如邻苯二甲酸酐盐;以及(C)(I)苯甲酸衍生物,如烷基取代二硫代苯甲酸的二氢化牛脂胺盐的烃基取代胺盐和/或酰胺、(C) (I) 苯甲酸衍生物,如烷基取代二硫代苯甲酸的二氢化牛脂胺盐,或 (II) 磷酸衍生物,如二烷基二硫代磷酸的二氢化牛脂胺盐的烃基取代胺盐和/或酰胺。
High oleic polyol esters, compositions and lubricants functional fluids and greases containing the same
申请人:THE LUBRIZOL CORPORATION
公开号:EP0712834A1
公开(公告)日:1996-05-22
A polyol ester is described which is derived from:
(A) an aliphatic or alicyclic polyol: and
(B) an aliphatic monocarboxylic mixture derived from a natural vegetable oil, said acid mixture comprising at least about 72% by weight of oleic acid.
The invention also relates to compositions comprising the polyol esters and at least one antioxidant, and lubricating oil compositions comprising an oil of lubricating viscosity and the polyol esters of the invention. Lubricating oil compositions comprising polyol esters of the invention, at least one antioxidant, and an oil of lubricating viscosity also are described and are particularly useful.