Abstract:
Automatic transmission fluid comprising a mineral lubricating oil, a zinc di-(alkylphenoxyalkoxyalkyl) dithiophosphate, a nitrogen-containing methacrylate polymer, a polyethylene polyamine-alkenyl succinic anhydride reaction product, an arylsubstituted naphthylamine and an N-acyl sarcosine, and a method of operating an automatic transmission.
Abstract:
SEQUENTIALLY WITH AN ALKALI METAL HYDROXIDE AND A HYDROCARBYL SULFENYL BROMIDE CHARACTERIZED BY THE FORMULA R-S-Br where R and R'' are as heretofore defined. Hydrocarbon oil compositions comprising a hydrocarbon oil of lubricating viscosity containing between about 0.01 and 50 wt. percent of said amino hydrocarbyldithio thiadiazole.
WHERE R is hydrocarbyl of from 1 to 30 carbons and R'' is hydrogen or hydrocarbyl of from 1 to 30 carbons prepared by the method of contacting a 2-amino-5-mercapto-1,3,4-thiadiazole characterized by the formula:
Thiadiazole derivatives characterized by the formula:
Abstract:
A process for the sulfurization of triisobutylene and resulting products comprising contacting triisobutylene with sulfur under essentially atmospheric conditions at a temperature between about 360* and 500*F., utilizing a mole ratio of triisobutylene to sulfur of between about 1:4 and 1:2.5 while blowing the reaction mixture during at least a part of said contacting with an inert gas and recovering a sulfurized triisobutylene product containing as a major component a compound of the empirical formula C12H20S3 having substantially reduced corrosive activity to copper coupled with superior EP (extreme pressure) improving properties when incorporated in hydrocarbon lubricating oils such as gear oils and cutting oils.
Abstract translation:一种用于三异丁烯和所得产物硫化的方法,包括在基本大气条件下在约360℃至500℃之间的温度下使三异丁烯与硫接触,利用三异丁烯与硫的摩尔比在约1:4至1:2.5之间 同时在与惰性气体接触的至少一部分期间吹入反应混合物并回收含有作为主要组分的经验式C 12 H 20 S 3的化合物的硫化三异丁烯产物,其具有与优异的EP(极压)结合的铜具有显着降低的腐蚀活性, 当结合到烃类润滑油如齿轮油和切削油中时,其性能得到改善。
Abstract:
A graft polymer and lubricating oil compositions thereof, said polymer functioning as a multipurpose lube oil additive having viscosity index improving properties, pour depressing properties and detergent-dispersant properties, said graft polymer comprising an oil soluble substantially linear hydrocarbon terpolymer backbone having grafted thereon polymethacrylate polymers, said terpolymer backbone composed of ethylene, terminally unsaturated straight chain alkene of 3 to 12 carbons and terminally unsaturated non conjugated diolefin of 5 to 8 carbons, said polymethacrylate graft being composed of monomer member(s) seleected from the group consisting of (1) N,Ndialkylaminoalkyl methacrylate, (2) a mixture of C10-C15 alkyl methacrylate and C16-C20 alkyl methacrylate and (3) a mixture of ''''(1)'''' and ''''(2)''''.
Abstract:
A graft polymer and lubricating oil compositions thereof, said polymer functioning as a multipurpose lube oil additive having viscosity index improving properties, pour depressing properties and detergent-dispersant properties, said graft polymer comprising an oil soluble substantially linear hydrocarbon terpolymer backbone having grafted thereon polymethacrylate polymers, said terpolymer backbone composed of ethylene, terminally unsaturated straight chain alkene of 3 to 12 carbons and terminally unsaturated non conjugated diolefin of 5 to 8 carbons, said polymethacrylate graft being composed of monomer member(s) selected from the group consisting of (1). N,Ndialkylaminoalkyl methacrylate, (2). a mixture of C10-C15 alkyl methacrylate and C16-C20 alkyl methacrylate and (3). a mixture of 1 and 2.
Abstract:
Thiadiazole derivative mixture containing as a principal component a product characterized by the formula
WHERE R is alkyl of from 2 to 30 carbons prepared by the method consisting of first contacting 2-amino-5-mercapto-1,3,4thiadiazole with an alkanal of the formula RCHO where R is as heretofore defined and second contacting the resultant reaction mixture with dimethyl sulfoxide. Lubricating oil composition comprising a hydrocarbon oil of lubricating viscosity containing between about 0.01 and 50 wt. % of said thiadiazole derivative mixture.