98 results about "Calcium Salicylate" patented technology

The invention discloses a scale inhibitor for oil refining equipment. The scale inhibitor is prepared from the following raw materials: purified water, polyisobutylene succinimide, N,N'-disalicylidene-promethylene diamine, calcium alkyl salicylate, heavy aromatics, hexadecyl dimethyl amine, 2,2,6,6-tetramethylpiperidinooxyl, toluene, sodium persulfate, hydrogen peroxide and potassium superphosphate. The scale inhibitor is used for inhibiting coking and scale deposition of various devices and equipment in petroleum refining and petrochemical processes, particularly for coking and scale deposition of hydrogenation process equipment; coking and scale deposition of heat exchangers and steam generators for catalytic cracking, delayed coking and crude oil distillation processes are inhibited; and a high scale inhibition rate is achieved with the filling amount of 80 to 100 [mu]m/g in a crude oil heat exchanger, a reactor and a heating furnace, and each component synergistically acts to achieve the carbon steel corrosion rate of 0.001 to 0.003 [mu]m*a<-1> and the calcium carbonate scale inhibition rate of 85 to 95 percent.

The invention discloses a liquid composition of accessory ship diesel lubricate, which is characterized by the following: adopting middle basic oil as main component; mating fitful high-alkaline value calcium naphthenate, disuccinimide, dioctyl dithio-zinc phosphate, middle-alkaline alkyl calcium salicylate, high-grade lipoamide, polyoxypropylene polyoxyethylene block-typed polyether and silicon oil; allocating the system oil through scientific method.

A lubricating grease composition and a preparation method thereof are disclosed. The invention relates to the field of lubricating grease, and discloses a lubricating grease composition. The lubricating grease composition comprises base oil (10-80 wt%) and a thickening agent, which comprises non-Newton fluid sulfurized calcium alkyl phenate (10-70 wt%), and also optionally comprises one or more of non-Newton fluid calcium sulfonate (0-70 wt%), non-Newton fluid calcium naphthenate (0-70 wt%), and non-Newton fluid calcium salicylate (0-70 wt%). The invention also discloses a preparation method of the lubricating grease composition. The provided lubricating grease composition has excellent performances.

A lubricating grease composition and a preparation method thereof are disclosed. The invention relates to the field of lubricating grease, and discloses a lubricating grease composition. The lubricating grease composition comprises base oil (10-80 wt%) and a thickening agent, which comprises non-Newton fluid sulfurized calcium alkyl phenate-calcium sulfonate (10-70 wt%), zircon salts of higher fatty acid (1-10 wt%), and polyurea compounds (0.5-30 wt%), and also optionally comprises one or more of non-Newton fluid calcium naphthenate (0-70 wt%), non-Newton fluid calcium salicylate (0-70 wt%), non-Newton fluid calcium oleate (0-70 wt%), zircon salts of aromatic acid (0-15 wt%), and zircon salts of micro-molecular inorganic acid and/or lower fatty acid (0-15 wt%). The invention also discloses a preparation method of the lubricating grease composition. The provided lubricating grease composition has excellent performances.

A lubricating oil composition for an internal combustion engine according to the present invention contains a lubricating base oil, (A1) a basic calcium salicylate having a TBN of 200 mgKOH/g or more, (A2) a basic sodium sulfonate having a TBN of 200 mgKOH/g or more and/or a basic calcium sulfonate having a TBN of 50 mgKOH/g or less, (B) a binuclear organic molybdenum compound and/or a trinuclear organic molybdenum compound, and (C) a polyalkyl (meth)acrylate having an SSI of 30 or less, a total content of molybdenum derived from the binuclear and trinuclear organic molybdenum compounds being 0.025 mass % or more relative to the whole amount of the composition and the lubricating oil composition having predetermined values of a high-temperature high-shear viscosity and a NOACK value (250° C., 1 hr).

The invention relates to the field of lubricating grease, and discloses a lubricating grease composition. The composition comprises base oil and a thickening agent. The thickening agent comprises non-Newtonian fluid sulfurized calcium alkyl phenate and a lithium salt of a higher aliphatic acid, and optionally comprises one or more selected from a group consisting non-Newtonian fluid calcium sulfonate, non-Newtonian fluid calcium naphthenate, non-Newtonian fluid calcium salicylate, non-Newtonian fluid calcium oleate, a lithium salt of an aromatic acid, and a lithium salt of a small-molecule inorganic acid and/or a lower aliphatic acid. Based on the weight of the composition, the content of the base oil is 10-80% by weight, the content of the non-Newtonian fluid sulfurized calcium alkyl phenate is 10-70% by weight, the content of the lithium salt of the higher aliphatic acid is 1-20% by weight, and contents of other optional components are respectively 0-70% by weight, 0-70% by weight, 0-70% by weight, 0-70% by weight, 0-15% by weight and 0-15% by weight. A preparing method of the composition is also disclosed. The composition has excellent properties.

The invention provides a natural gas and gasoline double-fuel engine lubricating oil composition. The natural gas and gasoline double-fuel engine lubricating oil composition comprises 20W/50, 10W/40 and 5W/30. The natural gas and gasoline double-fuel engine lubricating oil composition adopts a cleaning agent prepared from middle calcium alkylbenzensulfonate, alkyl calcium salicylate and sulfurized calcium alkyl phenolate; an antioxidant prepared from octyl/butyl diphenylamine with strong anti-oxidizing property and an phenolic-ester antioxidant; an abrasion-resistant agent prepared from zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate and sulfurized isobutylene, so as to overcome the defects of overhigh ash content in gasoline engine oil, and insufficient anti-oxidizing property and anti-abrasion property. The natural gas and gasoline double-fuel engine lubricating oil composition has the advantages that compared with the gasoline engine oil, the anti-oxidizing property, friction property, anti-abrasion property, a maximum non-seizure load PB value, an ash value and low-temperature property are significantly better; the average oil replacing cycle is prolonged by 54.55%.

The invention relates to a modified composite calcium sulfonate lubricating grease composition and a preparation method thereof, wherein the modified composite calcium sulfonate lubricating grease composition comprises, by weight, 24-51% of high base value synthetic calcium sulfonate, 8-16% of high base value calcium salicylate, 31-54.25% of base oil, 3-4% of a conversion agent, 1-2% of calcium hydroxide, 4-8% of a compounding agent, and 0.5-1% of an antioxidant. According to the present invention, the modified composite calcium sulfonate lubricating grease has advantages of good high temperature anti-oxidation life, good bearing life, good extreme pressure anti-wear performance and excellent comprehensive performance, breaks through the performance defects of short high-temperature (210 DEG C) oxidation induction period, not outstanding 160 DEG C vehicle wheel hub bearing service life and the like of the traditional composite calcium sulfonate, and can be used in bearings with requirements on high temperature and long service life.

The invention discloses environment-friendly synthetic lubricating oil and a preparation method thereof. The environment-friendly synthetic lubricating oil is prepared from the following raw materialsin parts by weight: soybean oil, castor oil, rapeseed oil, 1 to 2 parts of dodecenylsuccinic acid, 0.1 to 1 part of molybdenum dialkyl dithioformate, 2 to 5 parts of eleostearic acid, 2 to 3 parts oftall oil acid, methyl silicone oil grease, 0.5 to 2.5 parts of polymethacrylate, 0.5 to 2.5 parts of calcium salicylate, 0.5 to 2 parts of nano nickel, 0.5 to 2 parts of nano cobalt, 2 to 5 parts ofmolybdenum disulfide, 10 to 15 parts of carbon tetrachloride, accelerant, 5 to 9 parts of chlorinated paraffin, 4 to 10 parts of stearic acid, antiwear agent and 6 to 8 parts of methylsalicylic acid.The environment-friendly synthetic lubricating oil has an advantage of aiming at providing lubricating oil with good biodegradation performance and further low toxicity; the biodegradability of a lubricating agent can be decreased by some cleaning dispersants, which influence the activity and a nutritional component of a microbe, in the environment-friendly lubricating oil mixed and confected through the preparation method; however, some phosphorus and nitrogen containing additives are beneficial to the growth and the reproduction of the microbe, and therefore, the biodegradability of the lubricating agent can be improved.

A lubricating grease composition and a preparation method thereof are disclosed. The invention relates to the field of lubricating grease, and discloses a lubricating grease composition. The lubricating grease composition comprises base oil (10-80 wt%) and a thickening agent, which comprises non-Newton fluid sulfurized calcium alkyl phenate-calcium sulfonate (10-70 wt%), and zircon salts of higher fatty acid (1-20 wt%), and also optionally comprises one or more of non-Newton fluid calcium sulfonate (0-70 wt%), non-Newton fluid calcium naphthenate (0-70 wt%), non-Newton fluid calcium salicylate (0-70 wt%), non-Newton fluid calcium oleate (0-70 wt%), zircon salts of aromatic acid (0-15 wt%), and zircon salts of micro-molecular inorganic acid and/or lower fatty acid (0-15 wt%). The invention also discloses a preparation method of the lubricating grease composition. The provided lubricating grease composition has excellent performances.

The invention discloses graphene oxide lubricant and a preparing method thereof. The preparing method includes the steps that graphite used as a basis reacts with concentrated nitric acid, sodium sulfate and potassium permanganate, hydrogen peroxide, butyl amine and high-base-number alkyl calcium salicylate are added, the method of adjusting the pH value is adopted to obtain graphene oxide beneficial for good reaction in the next step, then graphene oxide reacts with phosphorus pentasulfide, octanol and tertiary carbon primary amine, and a two-step partial pressure decompression method is adopted to prepare the graphene oxide lubricant high in oil solubility and wear resistance. The production method is simple, low in cost, high in oil solubility and high in yield.