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51 results about "Hydroxystearic Acid" patented technology

Ricinoleic acid is the principal fatty acid in castor oil, whereas 12-hydroxystearic acid is the principal fatty acid in hydrogenated castor oil. These two fatty acids are each 18-carbon 12-hydroxylated fatty acids, differing only in degree of saturation.

Method for controlling reaction temperature in production of 12-hydroxystearic acid based on artificial intelligence

The invention relates to the technical field of equipment temperature control, in particular to a 12-hydroxystearic acid production reaction temperature control method based on artificial intelligence, and the method comprises the following steps: calculating a reaction heat release index based on the hydrogen feeding instantaneous molar flow at the current moment so as to represent theoretical heat generated through chemical reaction in unit time; based on the output power of the stirring motor at the moment and fluid mechanics characteristics, a viscosity correction factor used for representing the heat transfer capacity attenuation degree caused by the material viscosity change is constructed; in combination with the reaction heat release index and the viscosity correction factor at the current moment, performing energy compensation and nonlinear correction on the actually measured temperature in the kettle at the current moment to obtain a target predicted temperature; the control of the 12-hydroxystearic acid production reaction temperature is realized based on the target predicted temperature at the current moment, and the accuracy of the control of the 12-hydroxystearic acid production reaction temperature can be effectively improved.
Owner:DONGYING SHUNLI BIOTECHNOLOGY CO LTD

Lubricating grease composition as well as preparation method and application thereof

The invention discloses a lubricating grease composition I and a lubricating grease composition II, wherein the lubricating grease composition I is used as a raw material of the lubricating grease composition II. The lubricating grease composition I comprises 60-90 parts of base oil, 5-20 parts of a fatty acid composition, 2-5 parts of lithium hydroxide, 2-6 parts of modified nano boron nitride and 5-15 parts of an additive; wherein the viscosity of the base oil at 40 DEG C is 30-60 mm < 2 > / s, and the base oil is prepared by compounding and mixing 60%-90% w / w of poly-alpha-olefin synthetic oil (PAO) and the balance of synthetic ester (POE) belonging to V-type synthetic oil; the fatty acid composition is prepared from 12-hydroxystearic acid and unsubstituted C14-C20 saturated long-chain fatty acid, wherein the mass of the 12-hydroxystearic acid is 1 to 10 times that of the unsubstituted C14-C20 saturated long-chain fatty acid; the modified nano boron nitride is oleamide modified nano boron nitride; the additive is selected from at least one of an antioxidant, an anti-rust agent and an extrusion anti-wear agent. The invention also discloses application of the lubricating grease composition II as lubricating oil in lubrication of axle box bearings of high-speed railway trains with the speed of not less than 400km / h.
Owner:TIEKE JINHUA TESTING CENT CO LTD +4

Preparation method of N-oleo-12-hydroxystearic acid amide

The invention provides a preparation method of N-oleyl-12-hydroxystearic acid amide, and relates to the technical field of organic synthesis. According to the preparation method of the N-oleyl-12-hydroxystearic acid amide, zirconium phosphate and nano silicon dioxide serve as a composite catalyst to catalyze the amidation reaction of 12-hydroxystearic acid and oleyl primary amine, the synthesis conversion rate of the 12-hydroxystearic acid is larger than 98%, the synthesis conversion rate is high, the acid value and the amine value of the N-oleyl-12-hydroxystearic acid amide are low, and the preparation method of the N-oleyl-12-hydroxystearic acid amide is suitable for industrial production. And the product has high melting point, good color and stable quality. Moreover, the preparation method provided by the invention does not need to use a solvent, does not need to further purify and refine the prepared N-oleo-12-hydroxystearic acid amide, and is low in cost, small in environmental pollution and suitable for industrial production.
Owner:SHANGHAI HAIYI ENVIRONMENTAL PROTECTION TECH

Cosmetic composition in the form of a water-in-oil emulsion for treating hair to improve combing

ActiveUS12551415B2Cosmetic preparationsHair cosmeticsPolymer scienceCationic polyelectrolytes
Disclosed is a cosmetic composition which is in the form of an emulsion of water-in-oil type including, per 100% of its mass: from 60% to 95% by mass of a gelled aqueous phase including at least one crosslinked cationic polyelectrolyte; from 5% to 40% by mass of a fatty phase including at least one oil and an emulsifying system including a combination of at least one emulsifying surfactant selected from the elements of the group consisting of compositions of alkylpolyglycosides, compositions of alkylpolyglycosides and of fatty alcohols, polyglycerol esters, alkoxylated polyglycerol esters, polyglycol polyhydroxystearates, polyglycerol polyhydroxystearates, and alkoxylated polyglycerol polyhydroxystearates.
Owner:SOC DEXPLOITATION DE PROD POUR LES IND CHEM SEPPIC

Cosmetic composition comprising at least one vegetable oil, trihydroxystearin and a pigmentary coloring material

PendingUS20260183210A1TRIHYDROXYSTEARINVegetable oil
This invention relates to a cosmetic composition, in particular make-up and / or treatment intended to be applied on the skin, lips and skin appendages of humans such as hair, eyelashes, eyebrows or nails, comprising glyceryl trihydroxystearate, at least 50% by weight with respect to the total weight of the composition of at least one vegetable oil and at least one pigmentary coloring material. Another object of the invention is a method for making up and / or treating the skin and / or lips and / or cheeks, in particular lips and / or cheeks, wherein the composition according to the invention is applied.
Owner:LOREAL SA

Diamides obtained from propionic acid and uses thereof as thixotropic agents

The invention relates to a diamide that can be used as a thixotropic agent and that is based on 12-hydroxystearic acid and propionic acid in combination with at least two particular diamines. The invention also relates to a composition comprising this diamide and at least one crosslinkable organic binder, as well as to the uses of this diamide or of this composition, in particular in the manufacture of a coating, selected in particular from among paints, varnishes, inks, and gelled coatings ("gel coats"); a glue or an adhesive; a mastic; a sealing agent; a chemical sealing agent; a molded object; an object obtained by 3D printing; preferably a coating or a mastic, more preferably a mastic.
Owner:ARKEMA FRANCE SA

Compositions and methods for increasing bioavailable rate of active ingredients

A composition comprising an oily medium system and an active ingredient, and a method of increasing the bioavailable rate of an active ingredient, where the method comprises incorporating the active ingredient into an oily medium system, and where the oily medium system contains a vegetable oil and / or a component of a vegetable oil, the liquid does not contain the following substances: a phosphate buffer solution, polyethylene glycol, dimethyl sulfoxide, ethanol, polypropylene glycol, polysorbate, ethyl acetate, 12-hydroxystearic acid hydroxyethyl ester and tocopherol polyethylene glycol succinate; the active ingredient is selected from the group consisting of compounds of formula (I) wherein T1 is a C6 cyclic hydrocarbon and R1 is a C1-C8 aliphatic hydrocarbon group, pharmaceutically acceptable salts thereof, and combinations thereof.
Owner:EVERFRONT BIOTECH

Metal oxide dispersion composition

A metal oxide dispersion composition with excellent stability over time, excellent non-stickiness, and good usability is provided. This metal oxide dispersion composition contains the following components (A) to (C): (A) polyhydroxystearic acid, (B) silicone-treated metal oxide, and (C) glyceryl oleate, wherein the metal oxide of component (B) is a metal oxide other than titanium dioxide.
Owner:KOSÉ HOLDINGS

High-water-holding complex oil wax composition capable of stably loading water active matter and preparation method of high-water-holding complex oil wax composition

PendingCN121714478ACosmetic preparationsMake-upIsostearyl alcoholHydroxystearic Acid
The invention relates to the technical field of cosmetics, and discloses an oil wax composition of a high-water-holding complex stably-loaded water active matter and a preparation method, the oil wax composition of the high-water-holding complex stably-loaded water active matter comprises a high-water-holding complex, an oil wax phase and a water-based active matter phase, the high water holding complex comprises polyglycerol-2 dipolyhydroxystearate, polyglycerol-10 eicosanoic acid ester / tetradecanedioic acid ester, polyglycerol-3 rice bran acid ester, 1%-6% of polyglycerol-6 polyricinoleate, bis-behenyl alcohol / isostearyl alcohol / phytosterol dimer linoleate, dipentaerythritol hexahydroxy stearate / hexastearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate, polyglyceryl tristearate and polyglyceryl tristearate. According to the lip care composition, a water-based active matter phase can be stably borne in a high-load mode, water-based activity is effectively conveyed to the lip surface in the using process, and therefore the moisturizing, repairing and functional care effects of the lip are remarkably improved.
Owner:ZHONGSHAN MEIYUAN COSMETICS CO LTD

Modified ipdi curing agent, preparation method and application thereof

The application discloses a modified IPDI curing agent, a preparation method and application thereof, and the modification of the modified IPDI curing agent comprises the following steps: reacting IPDI trimer with 12-hydroxymethyl stearate to obtain a modified IPDI trimer curing agent; and the modified IPDI trimer curing agent is used in combination with an HDI curing agent as a two-component polyurethane floor covering varnish curing agent component, and has good compatibility, high hardness, fast drying, high adhesion and a long construction period after film formation, and is very suitable for a floor covering with weather resistance requirements.
Owner:WANHUA CHEM GRP CO LTD

Fluid W / O emulsions with specific polyesters, volatile alkanes, liquid components of at least 50% aqueous phase, and polyhydroxystearic and / or polyricinoleic nonionic surfactants

PendingCN122341349APolyesterAlkane
This application relates to a fluid water-in-oil emulsion comprising: A) at least one polyester, which is a reaction product of the following components (i), (ii) and (iii): (i) at least one polyglycerol-3; (ii) at least one dimer acid; and (iii) at least one fatty monocarboxylic acid having 8 to 30 carbon atoms, wherein the reacting components (i), (ii) and (iii) are in a molar ratio of 1 mole of polyglycerol-3, 0.5 to 1 mole of dimer acid, and 0.1 to less than 2.0 moles of fatty monocarboxylic acid; B) at least one continuous oil phase comprising: 1) at least one volatile hydrocarbon oil; and 2) optionally at least one non-volatile oil; and C) at least one aqueous phase dispersed in the oil phase, wherein the liquid component of the aqueous phase accounts for at least 50% by weight of the total weight of the composition; and D) At least one nonionic surfactant with an HLB of less than 8.0, the chemical structure of which is generated by the reaction of at least one polyhydroxystearic acid and / or at least one polyricinoleic acid with a polyol containing at least two alcohol functional groups; the weight ratio of nonionic surfactant D) to polyester A) is greater than or equal to 0.9 and preferably greater than or equal to 1.0.
Owner:LOREAL SA

Oil-in-water emulsified cosmetic

PendingCN122458953APolymer scienceMeth-
The present invention provides an oil-in-water emulsion cosmetic having excellent stability against temperature changes. An oil-in-water emulsion cosmetic solving the problem of the present invention is characterized by containing the following components (A) to (E): (A) one or two or more selected from the group consisting of a copolymer of (meth)acrylic acid or an alkyl (meth)acrylate and a polyoxyethylene monoalkyl ether (meth)acrylate, and a copolymer or salt thereof containing acryloyldimethyltaurine as a structural unit, (B) a branched polysaccharide, (C) one or two or more selected from the group consisting of ester oil, hydrocarbon oil, and higher alcohol, which is liquid at 25°C, (D) a hydrophobic-treated metal oxide of 7 mass% or more and 25 mass% or less, and (E) one or two or more selected from the group consisting of an acrylic acid-silicone graft copolymer, polyhydroxystearic acid, and a polyglycerin alkyl co-modified silicone.
Owner:高丝控股股份有限公司

A modified complex calcium sulfonate grease and a method for preparing the same

The application belongs to the technical field of lubricating grease, and specifically provides a modified composite calcium sulfonate lubricating grease and a preparation method thereof. The modified composite calcium sulfonate lubricating grease comprises the following raw materials: base oil, calcium sulfonate, a conversion agent, a saponifying agent, a composite additive and an antioxidant. The composite additive is prepared by compounding modified boron nitride nanosheets, modified attapulgite and nano zinc oxide. The conversion agent comprises dodecylbenzenesulfonic acid, 12-hydroxystearic acid and acetic acid. The saponifying agent comprises 12-hydroxystearic acid, calcium hydroxide and boric acid. The modified composite calcium sulfonate lubricating grease prepared by the application has the advantages of good water resistance, wear resistance and self-repairing property.
Owner:SHANDONG NORTH ZITE SPECIAL OIL

Silicon-free hair care composition added with water-in-oil emulsifier and preparation method of silicon-free hair care composition

The invention relates to the field of daily chemicals, and provides a silicon-free hair care composition added with a water-in-oil emulsifier, which comprises a cationic conditioner, the water-in-oil emulsifier, an oil-in-water emulsifying thickener, a grease conditioner, a humectant and pure water, the water-in-oil emulsifier is prepared from PEG-30 (Polyethylene Glycol) dipolyhydroxy stearate; the oil-in-water emulsifying thickener comprises one or more of hexadecanol, octadecanol and cetostearyl alcohol. According to the silicon-free hair care composition disclosed by the invention, the water-in-oil emulsifier is added into an oil-in-water system to form a similar water-in-oil-in-water composite system, and compared with an oil-in-water system of a common single emulsifier, the silicon-free hair care composition disclosed by the invention can emulsify grease into fine and uniform micro-droplets, and can better permeate hair and nourish and repair damaged hair without greasy and heavy hair.
Owner:LAFANG CHINA CO LTD

Temperature-sensitive anhydrous self-emulsifying egg yolk oil cleansing gel stick and preparation method thereof

PendingCN121421923ACosmetic preparationsMake-upYolkCapillary bridges
The invention discloses a temperature-sensitive anhydrous self-emulsifying egg yolk oil cleansing gel stick and a preparation method thereof. According to the makeup removing gel bar, egg yolk oil serves as a main oil phase, egg shell powder which is subjected to wet ball milling nanocrystallization and surface lipidation treatment serves as a particle gel framework, secondary fluid is introduced into the oil phase, particles are preferentially wetted by the secondary fluid, a pendulum capillary bridge network is formed, and therefore soft solid paste with the yield stress larger than or equal to 60 Pa at the temperature of 25 DEG C is obtained; the ointment is reversibly softened at the skin temperature (32-36 DEG C) and under the shearing action, and is self-emulsified to have the particle size Dlt within 60 seconds when encountering water; and the emulsion droplets of 10 microns are easy to wash away and low in residue. According to the formula, a PEG-free self-emulsifying system of lecithin and polyglycerol fatty acid ester is preferably selected, 12-hydroxystearic acid / beewax is preferably added to achieve temperature-sensitive regulation, the water content of the product is smaller than or equal to 1.0 wt%, the water activity aw is smaller than or equal to 0.6, a traditional water-phase preservative does not need to be added, and the product is suitable for sensitive skin.
Owner:HUAZHONG AGRI UNIV

Suspended stable composition as well as preparation method and application thereof

PendingCN121337658ACosmetic preparationsHair cosmeticsTRIHYDROXYSTEARINCholesterol
The invention provides a suspension stable composition as well as a preparation method and application thereof, and the suspension stable composition comprises the following raw materials: a suspension component, an anionic surfactant, an ampholytic surfactant, a co-crystallizing agent and water, the suspension component comprises one or more of hydrogenated castor oil, trihydroxy stearin and cholesteryl hydroxystearate. The prepared suspension stable composition can be used as an additive to be applied to daily washing chemicals, the suspension stability of a surface activity system is remarkably improved, flocculation of a hair conditioner is not affected, and meanwhile a certain ester endowing effect and the like are achieved.
Owner:GUANGZHOU DIAOLING FINE CHEM CO LTD

Method for producing water-in-oil emulsion for cosmetics from cold emulsified glycerol-in-oil emulsion

The present invention relates to a method for producing a water-in-oil emulsion for cosmetics, in which a glycerol-in-oil emulsion is mixed with water in a storage container and shaken or stirred, the invention relates to a composition comprising a glycerol-in-oil emulsion comprising: a) glycerol, b) one or more lipids that are liquid at room temperature and atmospheric pressure, c) one or more waxes, d) one or more salts, e) polyglycerol-4 diisostearate / polyhydroxystearate / sebacate that has been emulsified at room temperature (INCI: polyglycerol-4 diisostearate / polyhydroxystearate / sebacate).
Owner:BEIERSDORF AG

Brovudine cream for treating herpes zoster and preparation method thereof

The invention discloses a brovudine cream for treating herpes zoster and a preparation method of the brovudine cream. Specifically, the invention provides a cream which comprises the following components in percentage by mass: 0.1-5% of bromovudine, 5-45% of an organic solvent, 0.3-10% of an emulsifier, 15-55% of an oil phase matrix and water, the cream is an oil-in-water type cream; and any one of the following conditions is met: (C1) the emulsifier comprises 15-hydroxystearic acid polyethylene glycol ester; (C2) the oil phase matrix comprises glyceryl behenate. The brovudine cream provided by the invention has one or more positive progressive effects of good safety, small side reaction, good stability and good treatment effect.
Owner:ZHEJIANG REACHALL PHARMA

Salt fog resistant additive comprising ionic liquid and method of preparation and use thereof

The application discloses a kind of salt fog resistant additives comprising ionic liquid and its preparation method and application, belong to chemical material field.In ice water bath condition, neutralization two (2-ethylhexyl) phosphate ester obtains two (2-ethylhexyl) sodium phosphate aqueous solution, then drop to methyltrioctylammonium chloride aqueous solution and react, after oil phase is collected, washing, drying obtains functional ionic liquid;Nitrate type layered double hydroxide is dispersed in solvent, and functional ionic liquid is added, and solid product is collected by centrifugation, and washing obtains intercalation hybrid material;Functional ionic liquid, monoglyceride, 12-hydroxystearic acid, co-surfactant, emulsifier and intercalation hybrid material are mixed to obtain mixed phase, finally drop buffer solution to mixed phase, after cooling, the salt fog resistant additive provided by the application is obtained.The salt fog resistant additive comprising ionic liquid provided by the application is used for nickel-containing hole sealing agent, and the salt fog corrosion resistance of workpiece coating after sealing can be improved, and the ability of anti-point corrosion.
Owner:BAIANMEI INNOVATION TECH (GUANGZHOU) CO LTD

Motor lubricating grease composition

ActiveCN118931625BInhibit temperature riseOutstanding low temperature starting torqueLubricant compositionHydroxystearic AcidStearic acid
The application discloses a motor lubricating grease composition, which comprises a thickening agent, base oil and an additive, and specifically, the thickening agent is 10-15%, the base oil is 85-90%, and the sum of the mass percentages of the two is 100%; the additive is additionally added in a proportion of 1-5%; the thickening agent is composed of mixture A and mixture B; a) the mixture A is a reactant of dodecahydroxy stearic acid, organic dibasic acid and saturated aqueous solution of lithium hydroxide monohydrate, and the molar ratio of the dodecahydroxy stearic acid to the organic dibasic acid is 1:0.1-1; b) the mixture B is an amide compound, and the amide compound is a mixture of one or more of dodecanamide, hexadecanamide, octadecanamide, octadecenoic acid amide, docosanamide, docosenoic acid amide, N,N-dimethyl dodecanamide and N,N'-ethylene bis-stearamide in an arbitrary ratio. The application can effectively prolong the service life of the lubricating grease, prolong the grease replenishing period and prolong the service life of the motor.
Owner:PETROCHINA CO LTD

Foams for use in agriculture

The present invention provides a foam and a foamable composition comprising water and a salt of a hydroxy fatty acid, such as hydroxystearic acid. Also provided is a method of protecting plants, such as from the cold, as well as methods of supplying nutrients or reducing and / or preventing the growth of weeds, all using the foams of the invention.
Owner:KLAT GEORGE

A composite flame-retardant nylon 6 material and its preparation method

PendingCN122127777AFiberPolymer science
This invention relates to the field of nylon 6 technology, and more particularly to a composite flame-retardant nylon 6 material and its preparation method. The raw materials of the aforementioned composite flame-retardant nylon 6 material, by weight, include: 70-100 parts nylon 6, 10-20 parts activated polyphenylene sulfide chopped fibers, 5-15 parts environmentally friendly flame retardant, 1-3 parts flame retardant synergist, 1-5 parts SEBS-g-MAH, 1-5 parts acrylonitrile-styrene copolymer, 1-2 parts talc, 1-3 parts pentaerythritol phosphate, 1-3 parts nano-silica, 1-2 parts dodecyl stearic acid, 1-2 parts fatty amine polyoxyethylene ether, 1-3 parts lubricant, and 1-2 parts antioxidant. The environmentally friendly flame retardant raw materials include: DOPO flame retardant, vinyltriethoxysilane, and γ-glycidyl etheroxypropyltrimethoxysilane. This invention is halogen-free, significantly improves the flame retardant rating and smoke suppression and anti-dripping properties of the material, and effectively maintains the excellent mechanical properties of the composite material.
Owner:HENAN SHENMAPULI MATERIAL CO LTD

Diamides obtained from propionic acid and their uses as thixotropic agents

The invention relates to a diamide, usable as a thixotropic agent, which is based on 12-hydroxystearic acid and propionic acid in association with at least two particular diamines. It also relates to a composition comprising this diamide and at least one crosslinkable organic binder, as well as the uses of this diamide or this composition, particularly in the manufacture of a coating, selected especially from paints, varnishes, inks, and gel coats; an adhesive; a sealant; a sealant; a chemical sealant; a molded object; an object obtained by 3D printing; preferably a coating or a sealant, more preferably a sealant.
Owner:ARKEMA FRANCE SA

Skin care composition

ActiveUS12673019B2MedicineHydroxystearic Acid
Disclosed is a skin care composition providing anti-inflammation benefits. The composition is comprising of coffee seed oil and a hydroxy-substituted C8-C24 fatty acid being 12-hydroxy stearic acid, wherein the weight ratio of the coffee seed oil to the hydroxy-substituted C8-C24 fatty acid is 1:5 to 15:1.
Owner:CONOPCO INC

W / O / W emulsified composition

Disclosed is a W / O / W emulsified composition exhibiting good stability. The W / O / W emulsified composition comprises an inner aqueous phase, an oil phase in which the aforementioned inner aqueous phase is dispersed, and an outer aqueous phase in which the aforementioned oil phase is dispersed, the aforementioned inner aqueous phase comprising an osmotic pressure adjusting agent, wherein the aforementioned osmotic pressure adjusting agent functions to generate an osmotic pressure between the aforementioned inner aqueous phase and the aforementioned outer aqueous phase, and comprises one or more selected from the group consisting of polyglycerin fatty acid esters having an average degree of polymerization of 2 to 9 of glycerin and polyethylene glycol dipolyhydroxystearate as a surfactant for emulsifying the aforementioned inner aqueous phase in the oil phase, and the aforementioned osmotic pressure adjusting agent comprises at least one selected from the group consisting of citric acid, citrate salts, and sulfate salts.
Owner:SHISEIDO CO LTD

Alkali-resistant resin coated sand, its preparation method and application in the field of co2 flooding

This invention discloses an alkali-resistant resin-coated sand, its preparation method, and its application in CO2 flooding, relating to the field of oilfield coated sand technology. The alkali-resistant resin-coated sand comprises the following raw materials in parts by weight: quartz sand: 1000 parts, modified composite resin: 100 parts, gold powder: 5-15 parts, nickel powder: 10-20 parts, titanium powder: 5-10 parts, zinc powder: 3-8 parts, silane coupling agent: 1-3 parts, curing agent: 5-15 parts, and dodecyl stearic acid: 0.5-2 parts. The modified composite resin is prepared by blending modified epoxy resin and modified polyurethane resin. The alkali-resistant resin-coated sand prepared by this invention exhibits good alkali resistance, self-healing properties, and a low breakage rate, showing promising application prospects in the CO2 flooding field.
Owner:HEILONGJIANG PULLMAN NEW MATERIALS CO LTD

Highly anti-wear lithium-based grease for automobiles and its preparation method

PendingCN122326315APolyolefinLithium hydroxide
This invention relates to the field of grease preparation technology, specifically disclosing a high-wear-resistant automotive lithium-based grease and its preparation method. The lithium-based grease comprises the following raw materials: a compound base oil, dodecyl stearic acid, lithium hydroxide, modified sepiolite, a composite anti-wear agent, an antioxidant, and a rust inhibitor; wherein the composite anti-wear agent is prepared by coating and dispersing functionalized lignin, nano-cerium oxide, and the compound base oil, followed by vacuum desolventizing treatment; the compound base oil is composed of a mixture of naphthenic base oil and polyalphaolefin synthetic base oil; the preparation method includes: first preparing a lithium-based thickened phase and modified sepiolite slurry, then adding the composite anti-wear agent and the remaining components, followed by homogenization, vacuum degassing, and filtration to obtain the high-wear-resistant automotive lithium-based grease. The automotive lithium-based grease prepared by this invention has good anti-wear performance, mechanical stability, and colloidal stability, and can be used for lubrication of automotive chassis, wheel bearings, and other friction parts.
Owner:JIANGSU LANGSI AUTOMOBILE PROD CO LTD

Main shaft bearing lubricating grease for wind driven generator and preparation method of main shaft bearing lubricating grease

PendingCN122038011AWind energy generationLubricant compositionPolyolefinLanthanum fluoride
The invention discloses main shaft bearing lubricating grease for a wind driven generator and a preparation method thereof, and relates to the technical field of lubrication, and the main shaft bearing lubricating grease comprises the following components in parts by weight: 75-85 parts of base oil, 8-15 parts of a thickening agent, 2-6 parts of an anti-wear reagent at extreme pressure, 0.5-3 parts of an antioxidant, 0.5-2 parts of an anti-rust preservative, 1-3 parts of a structure control agent and 0.2-1 part of a metal deactivator. The base oil is a mixture of high-viscosity poly-alpha-olefin PAO and metallocene poly-alpha-olefin mPAO; the thickening agent is composite lithium calcium soap generated by reaction of 12-hydroxystearic acid, azelaic acid, lithium hydroxide and calcium hydroxide; the structure control agent is vinyl silicone oil; the extreme pressure anti-wear agent is a compound mixture of nano lanthanum fluoride, molybdenum dialkyl dithiocarbamate (MoDTC) and antimony dialkyl dithiophosphate; according to the preparation method, vinyl silicone oil is added in a specific high-temperature stage and a specific cooling rate is combined; the prepared main shaft bearing lubricating grease has better extreme pressure anti-wear performance and long service life, and has better adhesivity independent of a tackifier and better composite synergistic interaction optimization.
Owner:DONGGUAN CITY ODSI LUBRICANT TECH CO LTD

Water-in-oil type sunscreen cosmetic

To provide a water-in-oil type sunscreen cosmetic having a function for protecting ultraviolet rays and excellent in handleability in a production process and stability of a product after production.SOLUTION: (A) at least one compound which is pasty at 25 °C and has a viscosity at 60 °C of more than 30 MPa·s and 1,000 MPa·s or less, (B) at least one compound having a hydroxystearic acid group and an oxyalkylene group, (C) an organic ultraviolet absorber, (D) water, and (E) at least one solid oil having a melting point of 60 °C or more. The ingredient (C) is one or more organic UV absorbers selected from (C1) an oil-soluble organic UV absorber and (C2) a water-soluble organic UV absorber, and the content of the ingredient (E) is 2.5 to 20% by mass based on the total amount of the cosmetic.SELECTED DRAWING: None
Owner:TOSHOKU PIGUMENTO

Extreme pressure compounded additive for lithium base grease, extreme pressure lithium base grease and preparation method thereof

The application provides an extreme pressure compound additive for lithium base grease, extreme pressure lithium base grease and a preparation method thereof. The extreme pressure compound additive for lithium base grease comprises a metal salt extreme pressure agent, a sulfur-containing extreme pressure agent and a boron-containing extreme pressure agent. The extreme pressure lithium base grease comprises base oil, a thickening agent and the extreme pressure compound additive for lithium base grease, and the thickening agent is prepared by reacting monobasic acid, lithium hydroxide and calcium hydroxide, wherein the monobasic acid is 12-hydroxystearic acid. The extreme pressure compound additive for lithium base grease provided by the application has a small total amount, and the preparation process is simple. Meanwhile, the extreme pressure lithium base grease prepared by the extreme pressure compound additive has excellent extreme pressure and anti-wear performance, is suitable for use in a high-load working environment, can effectively prolong the service life of lithium base grease, and the preparation method is simple and easy to operate.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1