332 results about "Sorbitan monostearate" patented technology

A well treatment microemulsion includes an oil external phase, an internal aqueous phase and a hydrophilic surfactant. The surfactant has a hydrophile lipophile balance of between 8-18. The oil external phase may include d-Limonene, xylenes, light mineral oil, or kerosene. The surfactant is configured to emulsify the water of the internal aqueous phase into the oil of the external (continuous) phase. The surfactant may include polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan tristearate, polyoxyethylene hydrogenated castor oil, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan monolaurate or mixtures therebetween. The use of hydrophilic surfactants to emulsify an internal aqueous phase within an oil external microemulsion produces unexpected and beneficial results.

Improved fermentation activity of microorganisms in a polysaccharide gel such as an alginate gel is obtained after dehydration, staorage and rehydration by soaking the gel containing the microorganisms prior to dehydration in a sugar solution to provide in the gel an amount of sugar of at least 100 g/kg and less than 500 g/kg of gel, preferably less than 300 g/k of gel. The dehydration may be carried out in a fluidized bed or by lyophilization. The gel may be in the form of beads or fibers having a double layer structure formed by an internal layer or core of gel containing the microorganisms and an external lay er or envelope of gel essentially devoid of the microoraganisms. The sugar is preferably xylose, glucose, fructose, lactose or sucrose, and the sugar solution may contain a polyol such as sorbitol, inositol or glycerol to provide in the gel an amount of polyol of at least 30 g/kg of gel. The sugar solution may also contain a non-ionic surfactant such as sorbitan monostearate as a protecting substance to fur ther improve fermentation activity. The microorganisms in the gel are preferably yeast, and after rehydration the yeast containing gel is used in producing a fermented drink such as in secondary fermentaion of wine to produce sparkling wine or champagne.

A porous food casing consisting essentially of a film of food grade thermoplastic having a plurality of interconnected interstices therein. The interstices are defined by a porosity modifier selected from the group consisting of soybean oil, peanut oil, corn oil, glycerin, polyethylene glycol, monolaurate, mineral oil, polyoxyethylene, sorbitan monostearate, sorbitan monooleate and glycerol monooleate. The interstices are in a range of approximately 0.002 to 1 micron and the casing has a water vapor permeability in a range of about 1 to 1500 gms/m2/min.

The invention relates to a double-face heat-sealed and anti-fogging type BOPP (biaxially-oriented polypropylene) film and a preparation method thereof. The double-face heat-sealed and anti-fogging type BOPP film is formed by co-extruding and biaxially stretching an inner surface layer, a core layer and an outer surface layer, wherein the inner surface layer and the outer surface layer are respectively made from 97.5-98.5 mass percent of polypropylene and 1.5-2.5 mass percent of anti-sticking agent; the core layer consists of 95.9-97.1 mass percent of polypropylene, 2.5-3.5 mass percent of an anti-fogging agent and 0.4-0.6 mass percent of a slipping agent; the anti-fogging agent consists of the following components by weight percent: 50 percent of sorbitan monostearate, 35 percent of glycerin monooleate and 15 percent of polyethylene oxide (20) glycerin monostearate. The selected polypropylene raw material is good in processing performance and high in mechanical strength. The anti-fogging agent is a mixture of multiple fatty acids and is well compatible with BOPP; by the addition of the anti-fogging agent and ethylene oxide, the hydrophilic performance is greatly improved, and the anti-fogging performance is improved.

The invention relates to a powdery plant fat cream and a preparation method thereof. The preparation method comprises the following steps: melting hydrogenated vegetable oil, and raising the temperature to 60-85 DEG C; adding sodium caseinate, sodium dihydrogen phosphate, sorbitan monostearate, sucrose fatty acid ester, soybean lecithin, hydroxypropyl methylcellulose and xanthan gum; uniformly stirring and dispersing the raw materials to obtain an oil-phase mixture; dissolving sucrose, glucose and glucose syrup in water, and heating the solution to 60-85 DEG C to obtain a water-phase mixture; uniformly mixing the oil phase mixture and the water-phase mixture, and stirring for 5-30min at a speed of 50-70rpm; homogenizing and performing spray drying; and adding food essence and food pigment, and uniformly mixing to obtain powdery plant fat cream. The plant fat cream has the advantages of convenience in operation, low preservation cost and transportation cost, good stability, high safety and the like. The powdery plant fat cream and the preparation method thereof are applicable to the field of production of powdery plant fat cream.

A stomach-action molluscicide, which includes a metal complexone and a suitable additive for enhancing the molluscicidal activity of the metal complexone. The additive may be selected from a surfactant or an additional source of ferric ions. Examples of the surfactant include sodium dodecyl sulphate or sorbitan monostearate, while an example of the additional source of ferric ions is ferric orthophosphate.

The invention provides a lead admixture for oil well cement, which is used in cementing operation. The invention is characterized in that: the invention comprises microcapsule emulsified tackifier and diluting, grinding, antigelling agent, the weight percent of the two components is 40 to 50 percent:50 to 60 percent, wherein, the weight percent of the composition of microcapsule emulsified tackifier is as follows: 30 to 40 percent of Sorbitan Monostearate emulsifying agent, 60 to 70 percent of sodium carboxymethylcellulose; and the weight percent of the composition of the diluting, grinding and antigelling agent is as follows: 30 to 40 percent of sulfonated tannin, 30 to 40 percent of fine silica powder, 10 to 25 percent of sodium sulfate, and 10 to 25 percent of sodium carbonate. The invention has the advantages that: the lead compounded by the lead admixture for oil well cement has good slurrycompatibility with drilling fluid and oil well grout. And flushing fluid, weighted spacer fluid, viscoelastic spacer fluid and displacement fluid can be prepared by compounding with the lead admixture for oil well cement. The lead admixture for oil well cement has the characteristic of high dissolution rate and easy field compounding.

The invention relates to a production process of a textile fiber color modifier. The textile fiber color modifier is prepared from the following raw materials in percentage by weight: 52%-68% of swelling agent, 10%-30% of emulsifying and dispersing agent, and 8%-20% of solvent, wherein the swelling agent is one or more of propylene glycol monomethyl ether, phenoxy-1-propanol, cyclohexanol methyl ether, N-normal-butyl-phthalimide, and N-isopropyl-phthalimide; the emulsifying and dispersing agent is one or more of styrylphenol polyoxyethylene ether sulfonate, polyoxyethylene castor oil, iso-tridecanol polyoxyethylene ether, fatty amine polyoxyethylene ether, polyoxyethylene (60) sorbitan monostearate (namely Tween-60), polyoxyethylene (80) sorbitan monostearate (namely Tween-80), and pesticide emulsifier No.600; and the solvent is one or more of water, ethanol, isopropyl alcohol, ethylene glycol, and ethylene glycol monobutyl ether. The production process comprises the following steps of adding all the materials into a reaction kettle and stirring the materials at 30 DEG C to 50 DEG C for 60 to 90 minutes, thereby obtaining the textile fiber color modifier. The textile fiber color modifier can be used for overcoming the dyeing defects of polyester and blended fabrics of the polyester in dyeing, and the dyed fabrics can meet environmental protection standards.

The invention relates to an emulsion type paraffin remover and inhibitor and a preparation method thereof, and belongs to the technical field of oil exploitation. The emulsion type paraffin remover and inhibitor includes, by weight, 45%-60% of 150# solvent oil, 4.5%-6% of octylphenol polyoxyethylene ether, 4.5%-6% of fatty alcohol-polyoxyethylene ether, 2.25%-3% of polyoxyethylene sorbitan monostearate, 3%-4% of ether cosolvent, and the balance water or synthetic brine. According to the emulsion type paraffin remover and inhibitor, the paraffin dissolution rate is more than 0.022 g/min, the paraffin inhibition rate is more than 75%, and oil well paraffinication can be effectively prevented. The emulsion type paraffin remover and inhibitor has good paraffin removing and inhibiting effects.

An immunoniosmes for targeted delivery of therapeutic agents to specific tissues in a host and methods of synthesis of those niosomes. An antibody molecule having specificity for a target antigen, such as a cell surface marker or other marker differentially expressed on a target cell, is covalently coupled to a functionalized membrane constituent. In a particular embodiment the functionalized membrane constituent is polyoxyethylene sorbitan monostearate functionalized with cyanuric chloride. The niosomes of this invention thus provide a composition that enhances internalization or retention of the bioactive agent of the niosome into the cytoplasm of the cells of the target tissue by providing a high degree of target specificity. Furthermore, the membrane vesicle enhances the life of the therapeutic agent by preventing its degradation in the extracellular environment, while exhibiting lower toxicity than can occur with some liposomes. The niosomes of the present invention are thus particularly useful as vehicles for the delivery of therapeutics to specific target cells.

The invention relates to an emulsifying paste composition special for foods. The emulsifying paste composition consists of 30-40% of water, 20-30% of sorbitol liquid, 6-10% of sorbitan monostearate, 10-14% of monoor/and diglyceryl stearate, 4-8% of polyglyceryl fatty ester, 6-12% of sucrose fatty acid ester and 3-8% of sodium stearoyl lactylate. The emulsifying paste composition disclosed by the invention is simple and convenient to make; and besides, a sorbitol composition and an emulsifying agent composition are processed and stirred at a special temperature, so that the application functions are effectively increased, the made emulsifying paste composition can lock moisture in bread, cakes and the like, can maintain food tissue soft, fine and smooth and increase smooth mouth feel.

The present invention relates to an ash-less diesel oil additive, its preparation and application method. Said additive is formed from sorbitan monostearate, alkylolpolyethenoxyether and its derivative, alkylphenolpolyethenoxyether and its derivative, alcohol diethoxyethane, water, medium carbon alcohol and solvent oil, and its preparation method includes: mixing sorbiton nanostearate, alkylolpolyethenoxyether and its derivative and alkylphenol polyethenoxyether and its derivative by using mechanical stirring device or ultrasonic stirrer, then adding other materials successively and fully stirring them to obtain the transparent solution, i.e. said invented product which can improve combustion property of diesel oil and reduce discharge of CO, NOx, HC and PM pollutants in the tail gas, andcan prevent secondary pollution.

The additive for synthetic water-diesel oil fuel consists of fatty alcohol polyoxyethyleneether 6.8 wt%, alkylene phenol polyvinyl ether 5.2 wt%, amyl nitrate 7.4 wt%, high-alkali barium sulfonate 5.6 wt%, ethylene-acrylate copolymer 5.5 wt%, sorbitan monostearate polyoxyethyleneether 40 wt%, Span-60 10 wt%, sorbitan trioleate polyoxyethyleneether 10.3 wt% and ferrocene 9.2 wt%. It is produced through mixing while stirring at high speed to react and letting stand to eliminate bubble and become emulsion. The additive is used in producing mixed water-diesel oil fuel, which has the same performance as diesel oil and can save oil by 20-30 %.

The invention relates to a water-in-oil type electric spark machining working solution in the field of non-traditional machining, comprising compound emulsifying agent, engine oil and deionized water. The working solution is prepared by the following steps: sorbitan monoleate and polyoxyethylene sorbitan monostearate are put together in proportion, stirring for the sorbitan monoleate and the polyoxyethylene sorbitan monostearate to mix and react and form the compound emulsifying agent; the prepared compound emulsifying agent is added into the engine oil according to a required proportion, stirring for the compound emulsifying agent to be dissolved into the engine oil and form an engine oil colliquefaction solution; and the deionized water is added into the engine oil colliquefaction solution, stirring to obtain the water-in-oil type electric spark machining working solution. The water-in-oil type electric spark machining working solution has the advantages of high dielectric strength, safe use, no pollution and high electric spark machining efficiency.

A composition for use in extracting oil, the composition comprising: (a) a mixture comprising, by weight, 50-55% of an aromatic alkyl, 15-19% d-limonene, 6.5-7% polyethylsorbitan monoleate, 15-15.5% PEG sorbitan monostearate, 3.4-9.9% tall fatty acid, and EDTA in an amount up to 1%; and (b) water in an amount such that the mixture is diluted to 1%-2% by weight of the composition.

An object of the present invention is to provide an indomethacin external preparation that has an excellent use feeling and excellent absorbability and causes no phase separation into an oil layer and an aqueous layer, thus exhibiting satisfactory stability of preparation with time. Provided is an indomethacin external preparation containing: 0.1 to 3 wt % of indomethacin; 25 to 50 wt % of alcohol; 0.01 to 5 wt % of gelling agent; 5 to 30 wt % of oil component; 20 to 50 wt % of water; and 0.01 to 10 wt % of one or more components selected from the group consisting of glyceryl monostearate, sorbitan monostearate, stearyl alcohol, and polyethylene glycol monostearate.

The invention provides instant glutinous rice flour for nourishing the kidneys and reinforcing deficiency. The instant glutinous rice flour comprises the following raw materials in parts by weight: 80-100 parts of glutinous rice flour, 40-60 parts of beautiful millettia root powder, 10-20 parts of rice bean powder, 0.6-1.2 parts of sorbitan monostearate, 2-5 parts of glyceryl monostearate, 8-13 parts of maltose, 1-2 parts of methylcellulose, 1-3 parts of carrageenan, 1-3 parts of pectin and 100-130 parts of purified water. The instant glutinous rice flour provided by the invention is added with the beautiful millettia root powder, has the functions of nourishing the kidneys and reinforcing deficiency, also has the unique aroma of beautiful millettia root, has delicate taste, can be instantly drunk after adding water, and is a convenient food which is very beneficial to body health.

The invention relates to a plastic composite material for a tray and belongs to the technical field of plastic materials. The material provided by the invention has high fracture-resistant and impact-resistant performances, high shore hardness and good mechanical property. The plastic composite material for the tray provided by the invention is mainly prepared from the following components in parts by weight: 70-85 parts of high-density polyethylene or high-density polypropylene, 2.0-3.0 parts of sorbitan monostearate, 0.5-1.0 part of polytetrafluoroethylene, 2.0-5.0 parts of ethylene-methacrylic acid copolymer, 0.5-0.8 part of silane coupling agent, 5.0-10 parts of nano inorganic filler, 10-13 parts of synthesized rubber, 8.0-12 parts of fibers, 2.0-5.0 parts of flame retardant and 1.0-2.0 parts of antioxidant. The composite material has high fracture-resistant and impact-resistant performances and high shore hardness.

The invention relates to the technical field of food raw materials, and particularly relates to butter capable of achieving industrial processing. The butter is prepared from the following raw materials: refined palm olein, refined palm kernel oil, first-grade bean oil, enzymolysis butter, yak butterfat, purified water, whey powder, phospholipid, glycerol distearate, polyoxyethylene sorbitan monostearate, refined edible salt, sodium dehydroacetate, carotene, butylated hydroxyanisole and dibutyl hydroxytoluene in combination. The buffer prepared from vegetable oil as the raw material is available in raw material and suitable for continuous industrialized production; the prepared butter is bright yellow in color and luster, fragrant and sweet in taste, and excellent in mouthfeel.

The invention relates to an in-bath crease-resisting agent used in polyester fiber fabric, and a preparation method thereof. The agent comprises the following components, by weight: 2-5% of a polyester-polyether-silicon oil block copolymer, 1-5% of sorbitan monostearate, and balance of water. The polyester-polyether-silicon oil block copolymer is prepared from the raw materials of, by weight: 120-160 parts of polyethylene glycol, 18-30 parts of glycol, 15-25 parts of dihydroxy polyether, 20-28 parts of dimethyl terephthalate, 10-30 parts of an amino-terminated double-head sealant organosilicon, 5-10 parts of 3-piperazine propyl dimethoxysilane, and 0.2-2 parts of metal acetate. With the in-bath crease-resisting agent provided by the invention, good crease-resisting effect of the polyester fiber fabric is provided, and excellent fluffy and soft texture, good antistatic property, and good hydrophilic smoothness are provided with dyed polyester fiber fabric. Dyed polyester fiber or fabric thereof can be provided with excellent comfortableness without other finishing.

A carbon black reinforced rubber composition which contains hydrophilic sorbitan monostearate and specialized tackifying resin and a pneumatic rubber tire having a visually observable rubber component, such as for example a rubber sidewall, of said rubber composition. The surface of said rubber composition, namely the tire sidewall rubber component, in its uncured state contains said hydrophilic sorbitan monostearate on its surface together with said specialized tackifying resin to promote enhanced building tack and thereby counteract building tack loss by the sorbitan monostearate having been exposed to moisture (moisture exposed surface) during the processing of the rubber composition, particularly after its high shear processing such as, for example, extrusion.

The invention discloses lubricating rust-proof oil. The lubricating rust-proof oil comprises the following raw materials in parts by weight: 30-40 parts of base oil 150SN, 10-20 parts of base oil 200SN, 2-3 parts of polyacrylate, 4-6 parts of liquid paraffin, 1-2 parts of salicylic acid, 2-4 parts of sorbitan monostearate, 1-2 parts of dialkyl diphenylamine, 0.1-0.3 part of tris(2, 4-di-tert-butyl-pheny)phosphite and 2-3 parts of coalescent. The lubricating rust-proof oil disclosed by the invention is mainly used for various steel wire ropes, chains and other application occasions requiring extreme pressure lubrication and rust-proof protection. The rust-proof oil disclosed by the invention has good performances of rust protection, corrosion resistance, permeability, oxidation resistance and the like, and can fast infiltrate into a processing surface, thereby reducing the friction and prolonging the service life.