876 results about "Hydroxystearic Acid" patented technology

The present invention provides composite lithium-based lubricating grease and a preparation method thereof. The composite lithium-based lubricating grease consists of thickener, base oil and additive. The thickener consists of 12-hydroxy stearic acid lithium dibasic acid and/or lithium borate, and the mol ratio is 1 ®U 0.1 to 1 ®U 0.1to 1. The base oil is mineral oil or poly-alpha-olefin synthesis oil. The additive consists of organic amine compound antioxidant, benzotriazole and barium petroleum sulfonate or barium dinonylnaphthalene sulfonate anti-corrosion additive and rust protection agent, dialkyl dithiocarbamate or dibenzyl disulfide and sulfurized olefin cottonseed oil extreme pressure antiwear additive and nanometer copper powder repairing additive. The contents of the thickener and the base oil are respectively 6 percent to 18 percent and 82 percent to 94 percent according to the weight percentage. The lubricating grease has the multi-effect performances of high dripping point, good high-temperature performance and low-temperature performance, chemical invariability, colloid invariability, antiwear extreme pressure performance etc., and especially has the repairing function towards a damaged bearing.

The present invention relates to polyglycerol partial esers of polyhydroxystearic acid and polyfunctional carboxylic acids which are obtainable by esterification of a polyglycerol mixture with polyhydroxystearic acid where N=1 to 10, preferably 2 to 8, in particular 3 to 5 units and dimer fatty acids which have been obtained by catalytic dimerization of unsaturated fatty acids having 12 to 22 C atoms and have an average functionality of 2 to 3, and/or with aliphatic, linear or branched dicarboxylic acids having a chain length of 2 to 16 C atoms and additionally saturated or unsaturated, linear or branched fatty acids having 6 to 22 C atoms, preferably 12 to 18 C atoms, the degree of esterification of the polyglycerol mixture being between 20 and 75%, preferably 40 to 70%.

A process for making an ink jet ink comprising: a) providing a dispersion containing a pigment, a hydrocarbon carrier, and a polyamine/fatty acid condensation polymer dispersant; b) mixing the pigment dispersion with rigid milling media less than 100 mu m; c) introducing the mixture of step (b) into a mill; d) milling the mixture from step (c) until the pigment particle size is below about 100 nanometers (nm); e) adding to the mixture during or after step d) or f) (below) a stabilizer selected from the group consisting of a polyether polyol; a modified polyester resin; an acrylic polymer; an alkylol ammonium salt of a block copolymer having acidic groups; ethoxylated triethanolamine; a high molecular weight block copolymer having an amine functionality; sorbitan sesquioleate; polyhydroxy stearic acid; butylated polyvinyl pyrrolidone; poly(vinylpyrrolidone/1-hexadecene); and poly(p-tert-butylstyrene-co-styrene-co-2-sulfoethyl-lithium methacrylate); f) separating the milling media from the mixture milled in step (d); and g) diluting the mixture to obtain an ink jet ink having a pigment concentration suitable for ink jet printers.

A system for dispensing a foamed aqueous emulsion is provided. The system is a foam-dispensing container and an aqueous emulsion of an oil component with improved foamability. The foamability is improved by including in the emulsion a polyol poly-12-hydroxystearate surfactant as an emulsifier. The aqueous emulsion contains polyol poly-12-hydroxystearate, an oil component, other surfactants and can contain UV protection factors, water and optionally other auxiliaries and additives.

The invention relates to grease and a preparation method thereof, in particular to calcium sulfonate complex grease and a preparation method thereof, which belong to the field of chemical technology. A formula of the calcium sulfonate complex grease includes, in weight percentage, 23.5-35.5% of base oil, 32.0-45.4% of high alkalinity calcium sulfonate, 5-15% of calcium carbonate, 1.1-1.5% of alkyl benzene sulfonic acid, 2.5-3.5% of isopropanol, 3-6% of water, 1.9-2.7% of calcium hydroxide, 2-4% of 12-hydroxystearic acid, 1.75-2.25% of inorganic acid, 0.5-3.5% of thickening agent, and 0.1-5% of antioxidant. The calcium sulfonate complex grease has the advantages of high dropping point, fine rust and corrosion resistance, extreme pressure and wear resistance, fine mechanical stability, no hardening in long-term storage and long service life.

The invention relates to an amino acid facial cleanser and a preparation method thereof. The amino acid facial cleanser consists of the following components: sodium cocoyl glutamate, a mixture of potassium cocoyl glycinate, hydroxystearic acid and tocopherol, 1,3-butanediol, PEG400 (polyethylene glycol 400), sorbitol, methyl sodium lauroyl taurine, lauryl hydroxysultaine, potassium hydroxide, polyquaternium cationic surfactants, an emulsifier, a dispersant, sodium chloride, essence, a preservative and de-ionized water. The amino acid facial cleanser prepared by the invention is mild and non-irritant, good in skin-friendly and moisturizing properties, rich and thick in foam, good in skin cleanliness after being washed and good in stability, and the paste (the facial cleanser) appears to be pearly, delicate, soft and smooth and the paste has an optimum paste forming temperature.

The invention discloses an electrochemical deposition method for preparing a super-hydrophobic and super-oleophilic surface, and belongs to the technical field of function materials. The method comprises the following steps of: forming a micro/nano-structured silver film on the surface of a copper or copper alloy substrate by electrochemical deposition, and modifying by using 12-hydroxy stearic acid to obtain a surface with super-hydrophobicity and super-oleophilicity. The contact angle of the super-hydrophobic and super-oleophilic surface prepared by the method to water is 154 to 159 degrees, the rolling angle of the surface is less than 5 degrees, the contact angle of the surface to oil is 0 to 5 degrees, and the surface has a good hydrophobic effect and a high oleophylic speed; and the film has uniform thickness and is difficult to fall, the property of the film is kept basically unchanged after being placed in air for a long time, and the surface can be used for oil-water separation to purify water in oil, and has a wide application prospect in fields of mining industry, petrochemical industry, environmental protection industry and the like.

The invention relates to synthetic high-temperature lubricating grease and a preparation method thereof, in particular to lubricating grease generated by taking high-base number compound calcium sulfonate as a thickening agent and high-viscosity synthetic oil as base oil. The synthetic high-temperature lubricating grease comprises the following components in percentage by mass: 30%-80% of the synthetic base oil, 15%-30% of high-base number compound calcium sulfonate, 2%-10% of 12-hydroxyl stearic acid, 1%-5% of boric acid, 1%-4% of acetic acid, 0.5%-2% of water, 1%-3% of calcium hydroxide and0.1%-0.5% of antioxidants. The produced high-temperature lubricating grease has the advantages of excellent high temperature and water spraying resistance, very well extreme pressure abrasion resistance, cutting safety, rust protection, and the like and is very suitable for the production parts of steel mills, cement plants, power plants, and the like, which have high temperature, heavy loads andlarge quantities of cooling water.

Oil-in-water emulsions comprised of: (a) a polyol poly-12-hydroxystearate polyester; (b) an alkyl polyglycoside; (c) an oil; and (d) from 5 to 30% by weight water. When used as paper additives, the emulsions significantly improve the softness and feel of the paper products.

The invention discloses the novel combined coenzyme Q10 parenteral solution, mainly containing the coenzyme Q10 as active component, polyethylene glycol 15-hydroxyl stearate as solubilizing agent and water for injection as solvent. One or more solvents of cosolvent, acidity regulator, osmoregulator and stabilizing agents can be also added. Low hemolyzation, extreme low histamine release and higher physiological tolerance of a novel solubilizing agent Solutol HS 15 adopted by the parenteral solution remarkably improves clinical medication security and the compliance of a patient; and the parenteral solution has the advantages of good stability, longer period of validity, higher medication convenience for a clinician, better storage and stable transportation, higher security for the clinical medication and better compliance of the patient. The parenteral solution also has the advantages of simple preparation technology, simple and convenient quality control and lower production cost, thereby being beneficial to industrialization production.

The two-component developer of the present invention comprises a carrier coated with a resin composition containing an aminosilane coupling agent and a fluorine-modified silicone resin, and a toner that contains a wax selected from among the following A to D, which increases OHP light transmissivity, prevents offset, and prolongs service life.

• • A) A synthetic wax with a DSC endothermic peak temperature of 80 to 120° C. and an acid value of 5 to 80 mgKOH/g, obtained by reacting a C₄ to C₃₀ long chain alkyl alcohol, an unsaturated polycarboxylic acid or anhydride thereof, and an unsaturated hydrocarbon wax B) An ester wax with a DSC endothermic peak temperature of 50 to 120° C., an iodine value of 25 or less, and a saponification value of 30 to 300
  • C) A fatty acid amide wax selected from among C₁₆ to C₂₄ aliphatic amide waxes and alkylene bis fatty acid amides of saturated, monounsaturated, or diunsaturated fatty acids D) A fatty acid ester wax selected from among hydroxystearic acid derivatives, glycerol fatty acid esters, glycol fatty acid esters, and sorbitan fatty acid esters.

The invention provides a method for preparing a super hydrophobic film on the surface of a zinc substrate, which belongs to the technical field of a functional material. The method comprises the following steps of: ultrasonically washing a zinc sheet substrate, blow-drying by nitrogen gas, oxidizing by formamide water solution, and forming a rod-like nanometer zinc oxide array on the surface of a zinc sheet; and modifying by low surface energy substances, namely, stearic acid, 12-hydroxystearic acid and normal dodecyl mercaptan, and forming the super hydrophobic film with high static contact angle and low roll angle on the surface of the zinc sheet substrate. The super hydrophobic film may not be changed after being placed in the air for long time due to better stability and can be used for preventing water, resisting frost, preventing snow and resisting metal corrosion due to better acid and alkali resistance.

The invention relates to universal lithium base grease and a preparation method thereof. The universal lithium base grease comprises the following components in proportion by weight: 70%-80% of naphthenic base 150 BS base oil, 10%-15% of 12-hydroxy stearic acid, 10%-15% of stearic acid, 1%-1.5% of lithium hydroxide, 1%-2% of calcium hydroxide, 1.5% of 405 EP antiwear additive, 1.5% of 202 antioxidant and 0.3% of pigment. The lithium base grease of the invention has high temperature resistance and wear resistance, can not bleed in a long-term storage environment, can not have structural change because of long-term storage or temperature, and greatly improves the service life of the product; the water resistance of the product is improved; the service temperature range is increased compared with the similar products; the impurity number of the finished product is strictly controlled in the national specialized range; and the mechanical failure of the grease operation caused by the grease problem is avoided.

The invention belongs to the technical field of cosmetics, and relates to a fresh and cool sun-resistant composition with a grease controlling function. The sun-resistant composition contains starch aluminum octenylsuccinate and polyhydroxystearic acid. Starch aluminum octenylsuccinate is used for improving greasy feeling when people use the sun-resistant cosmetic, controlling and absorbing grease and relieving the shiny skin problem; polyhydroxystearic acid is used for improving a whitening phenomenon in the using process of the sun-resistant cosmetic. When starch aluminum octenylsuccinate and polyhydroxystearic acid are added into the cosmetic by an appropriate ratio, even if the content of an grease soluble sun-resistant agent and an inorganic sun-resistant agent in the sun-resistant cosmetic is high, a user feels fresh and cool without a greasy feeling, the sun-resistant composition has grease absorbing and controlling effects, and the whitening phenomenon after the sun-resistant composition is smeared is avoided.

The invention provides low-temperature lubricating grease and a preparation method thereof. The low-temperature lubricating grease comprises mineral oil, synthesized oil, fatty acid soap, an antioxidant and an antirust agent. Compared with the prior art, the low-temperature lubricating grease is characterized in that semi-synthesized oil obtained by mixing III-type oil and ester oil and/or PAO (poly alpha olefin) oil is used as basic oil; the III-type oil has a high viscosity index and is high in high-temperature and low-temperature performance, oxidation stability, heat stability and evaporation performance; the ester oil and the PAO oil also have high viscosity indexes and are high in low-temperature performance; moreover, a mixture of lithium stearate and 12-hydroxy lithium stearate is used as a thickening agent for thickening the semi-synthesized oil, so that the low-temperature lubricating grease is high in low-temperature performance, and a used component can be normally lubricated under low temperature; the applicable temperature range is large; furthermore, the thickening agent is easy to synthesize.

The invention discloses a pharmaceutical composition for improving the safety of Shenmai injection and a method for preparing the same. The pharmaceutical composition is a pharmaceutical composition for injection and is mainly prepared from red ginseng extract, dwarf lilyturf root extract and polyethylene glycol 12-hydroxy stearic acid ester. The pharmaceutical composition adopts a latent solvent with better safety and more obvious hydrotropy to replace the latent solvent polysorbate-80 which has potential safety hazard and influences the product quality, thus the reduction of the pH value of the Shenmai injection in the processes of storing and high temperature sterilization is obviously delayed, and the stability of the pharmaceutical composition is increased; besides, the safety of the polyethylene glycol 12-hydroxy stearic acid ester is higher than that of the polysorbate-80 and the dosage thereof is lower, thus the probability and the risk of untoward reactions of the pharmaceutical composition is reduced, and the safety for clinical application is improved.

Lubricant compositions based on a biodegradable base oil, such as a polyol ester or polyalkylene glycol, a calcium sulfonate based thickener and a naturally occurring phospholipid as an anti-wear additive, such as lecithin for environmentally sensitive applications and when having a specific gravity greater than 1.0 at 60° F. (15.6° C.) for marine applications are provided. The thickener may include a linear alkybenzene sulfonic acid, acetic acid and 12 hydroxystearic acid and a calcium carbonate solid film lubricant. The lubricant submerges when dispensed on water avoiding formations of a surface sheen and biodegrades when submerged resulting in a water ecology friendly lubricant.

The invention discloses an anti-radiation and shock-resistant polycarbonate sheet for a protective window and a preparation method of the polycarbonate sheet. The anti-radiation and shock-resistant polycarbonate sheet is prepared from raw materials in parts by weight as follows: 120-130 parts of polycarbonate, 10-12 parts of graphene nanofibers, 3-5 parts of dialkyl cyclohexanedicarboxylate, 10-14 parts of cyclic butylene terephthalate, 8-10 parts of a tetrafluoroethylene-hexafluoropropylene copolymer, 5-7 parts of dihydroxyaluminium stearate, 10-12 parts of an acrylonitrile-styrene-acrylate copolymer, 6-8 parts of oxidized paraffin, 5-7 parts of triisononyl trimellitate, 6-8 parts of flocking powder, 2-4 parts of dipentaerythritol hexacarboxylate and the like. Through blending of cyclic butylene terephthalate, the tetrafluoroethylene-hexafluoropropylene copolymer and the like with polycarbonate, the toughness, the abrasion resistance, the chemical stability, the impact strength and the radiation resistance of the sheet are improved, polycarbonate is modified with the raw materials including the flocking powder, the graphene nanofibers, magnesium oxide whiskers and the like, so that the anti-radiation performance and the shock resistance of the sheet can be improved, and the sheet has very high shock resistance and anti-radiation performance.

The invention relates to the field of lubricating grease, in particular to grease for motor bearings of wind generators and a production method thereof. The grease is characterized by being prepared by blending the following components in part by weight: 9 to 13.5 parts of 12-hydroxystearic acid, 3 to 4.5 parts of sebacic acid, 2.6 to 3.9 parts of lithium hydroxide, 70 to 80.7 parts of base oil, 1 to 5 parts of extreme pressure additive, 0.5 to 2 parts of antioxygen, 0.5 to 2 parts of antirust additive, and 0.3 to 0.5 part of metal passivating agent. The base oil is mixed oil of hexane diacidisotridecyl alcohol ester, polyalphaolefin10 (PAO10), PAO40 and alkyl naphthalene. The extreme pressure additive is a mixture of thiocarbamate, triphenyl thiophosphate, molybdenum oxothioxo carbamates, and nano calcium carbonate. Compared with the prior art, the grease has the advantages of wide use temperature range, high waterproof and anticorrosion performance, high loading capacity, high wear-reducing and noise-reducing performance, very high low-temperature startability and very high lubricating performance.

The invention discloses a coenzyme Q10 pharmaceutical composition which mainly comprises components: (1) coenzyme Q10 is active ingredient; (2) one or multiple of polyethylene 15-oxhydryl glycol stearate (Solutol HS 15), polysorbate, PEG, poloxamer, and polyoxyethylene castor oil derived products are solubilizer; (3) one or multiple of midchain monoglyceride and derived products thereof, medium saturated or unsaturated fatty acid are oil component; and (4) injection water is solvent. One or multiple of excipient, chemical inhibitor, and osmotic pressure regulator are added for preparing injection and freeze drying agent. Compared with the traditional coenzyme Q10 pharmaceutical composition, the injection administration coenzyme Q10 pharmaceutical composition has better storage and transportation stability and higher clinical application safety and patient compliance. The injection has simple preparation process, convenient quality control, lower production cost and convenient industrial production.