37 results about "Surfactant free" patented technology

The present invention relates to a cosmetic composition comprising, in a physiologically acceptable medium, 25% to 40% by weight of urea and / or urea derivatives relative to the total weight of the composition; at least one saccharide-free non-emulsifying hydrophilic gelling polymer; at least one scleroglucan gum; the composition containing less than 2% by weight of surfactant relative to the total weight of the composition, preferably less than 1%, even more preferably less than 0.5% or no surfactant at all. It also relates to the use of a cosmetic composition of this kind for skin care, in particular for the skin of the face or body, as well as to a cosmetic skin care method, in particular for the skin of the face or body, involving the application of a cosmetic composition of this kind.

A novel surfactant composition that comprises of two surfactant components, a solvent, and water. The surfactant composition is added to a fracturing fluid, which is then pumped downhole into a subterranean formation where the novel characteristics of the fracturing fluid lend to improved oil production over the fracturing fluid without the surfactant composition.

The application relates to a preparation method and application of a supported platinum-rhodium-copper core-shell nanometer alloy electrocatalyst. The preparation method comprises the following steps: mixing raw materials containing a platinum source, a copper source and a rhodium source, a surfactant and an oleylamine solvent to obtain a mixed solution; the mixed solution is heated to 160-280 DEG C and reacts for 0.5-8 h, and then is cooled; the cooled reaction solution is washed with acetic acid and centrifuged at a speed of not less than 8000 r / min; a product, namely platinum-rhodium-copper alloy nanoparticles, which does not contain the surfactant on the surface, is obtained; the amount of the acetic acid is not less than the volume of the reaction solution; the obtained product and the platinum source are put into the oleylamine solvent, mixed, heated, reacted, cooled and centrifuged to obtain PtRhCu@Pt nanoparticles; the PtRhCu@Pt nanoparticles are mixed with a carbon carrier to obtain a PtRhCu@Pt catalyst. The catalyst prepared by the preparation method has high coating degree of the platinum shell layer on the surface and uniform particle size.

The invention relates to the technical field of skin care compositions, in particular to a ginsenoside composition gel soap liquid capable of doubly residing on skin. The composition does not contain a surfactant and a foaming agent, takes a panaxoside composition in a specific proportion as a core active component, and cooperates with a licorice extract, hyaluronic acid, a rapeseed extract, a bearberry leaf extract and a willow bark extract to form a stable gel system. The composition replaces traditional surfactants and foaming agents, solves the problems that traditional components damage skin barriers and cannot stay for a long time, has dual functions of deep cleaning and skin care, and has two characteristics of cleaning type non-staying products and cream type staying products at the same time. Experiments prove that the composition has excellent effects of resisting oxidation, whitening, deodorizing and removing cutin scales, is high in safety, does not contain harmful ingredients such as hormones and antibiotics, and can stay on the skin for a long time to play a continuous role.

The present disclosure relates to ready-to-use, surfactant free, oral, aqueous suspension formulations comprising one or more immunosuppressive agents. The ready-to-use suspension formulations of the present disclosure can be useful in treating organ or stem cell transplant recipients or T-cell mediated diseases.

The present invention is an emulsified composition, including: (A): a titanium-atom-containing silicone resin; (B): one or more oil agents selected from the group consisting of a hydrocarbon oil, an ester oil, and a silicone oil, the oil agent being able to dissolve the component (A) and being liquid at 25° C.; and (C): water, where the emulsified composition contains no surfactant. Accordingly, an object of the present invention is to provide: an emulsified composition having excellent stability and usability without a surfactant; and a cosmetic material including the above emulsified composition and having excellent feeling of use.

The present invention relates to a cosmetic composition comprising, in a physiologically acceptable medium, 25% to 40% by weight of urea and / or urea derivatives relative to the total weight of the composition; at least one saccharide-free non-emulsifying hydrophilic gelling polymer; at least one scleroglucan gum; the composition containing less than 2% by weight of surfactant relative to the total weight of the composition, preferably less than 1%, even more preferably less than 0.5% or no surfactant at all. It also relates to the use of a cosmetic composition of this kind for skin care, in particular for the skin of the face or body, as well as to a cosmetic skin care method, in particular for the skin of the face or body, involving the application of a cosmetic composition of this kind.

To provide a system and method for applying a polymer surface treatment to carpets and other textiles.SOLUTION: A system and method include the use of a surfactant-free emulsion of a surface treatment polymer. The use of the surfactant-free emulsion of the surface treatment polymer reduces or eliminates the need to use pH adjusting agents and / or ionic salt solutions when applying surface treatment polymers to carpets or other textiles. By reducing the need to remove surfactants, emulsifiers, pH adjusting agents, and / or salts, the total volume of water used in treating carpets or other textiles is reduced.SELECTED DRAWING: Figure 1

A method and a system for in-situ remediation of recalcitrant organic and inorganic contaminants in an environmental medium are disclosed. Dissolved gases from water and an oil are removed to form degassed water and a degassed oil. The degassed water and the degassed oil are mixed to form a surfactant-free oil-in water emulsion. The surfactant-free oil-in-water emulsion is injected into the environmental medium, thereby producing anaerobic conditions to cause indigenous anerobic bacteria to biodegrade residual concentrations of the contaminants in the environmental medium.

To provide a liquid detergent composition for a fiber product which includes an aminocarboxylic acid chelator and is free of, or includes only a small amount of, a surfactant, and which can achieve both good washing performance and storage stability.SOLUTION: A liquid detergent composition for a fiber product includes 5 to 50 mass% of (A) a salt of an aminocarboxylic acid chelator and 0.2 to 5 mass% of (B) an acid, and is free of, or includes 3 mass% or less of, (C) a surfactant. The ratio (Z), which is calculated by the expression (Z)={(valence of component (B)×molar concentration of component (B)) / molar concentration of component (A)}, is 0.5 to 0.8.SELECTED DRAWING: None

An osmotic pump tablet, its preparation method and use. The osmotic pump tablet comprises a tablet core and a coating film wrapping the tablet core, the coating film has a drug release hole, the tablet core comprises a drug-containing layer, the drug-containing layer comprises a drug active ingredient, a hydrophilic polymer and a surfactant, the hydrophilic polymer comprises hydroxypropyl cellulose and the surfactant comprises poloxamer; or the drug-containing layer comprises a drug active ingredient and a hydrophilic polymer but does not contain a surfactant; the hydrophilic polymer comprises povidone K29 / 32; or the osmotic pump tablet comprises a drug-containing immediate-release outer coating, the drug-containing immediate-release outer coating comprises a drug active ingredient and a pharmaceutical excipient, and the pharmaceutical excipient is a binder.

The invention relates to an osmotic pump tablet as well as a preparation method and application thereof. The osmotic pump tablet comprises a tablet core and a coating film wrapping the tablet core, the coating film is provided with drug release holes, the tablet core comprises a drug-containing layer, the drug-containing layer comprises active pharmaceutical ingredients, a hydrophilic polymer and a surfactant, the hydrophilic polymer comprises hydroxypropyl cellulose, and the surfactant comprises poloxamer; or the drug-containing layer comprises a drug active ingredient and a hydrophilic polymer, but does not contain a surfactant; the hydrophilic polymer is prepared from povidone K29 / 32; or the osmotic pump tablet contains the drug-containing quick-release outer coating, the drug-containing quick-release outer coating contains the active pharmaceutical ingredient and the pharmaceutic adjuvant, and the pharmaceutic adjuvant is an adhesive. The invention further provides a preparation method and application of the compound. The osmotic pump tablet disclosed by the invention is high in drug loading capacity and can well play a treatment effect.

The invention relates to a SnO2 material with high response to ethanol gas as well as a preparation method and application of the SnO2 material. The SnO2 material is spherical SnO2 particles with the average size of 0.1-0.3 mu m and uniform size. The SnO2 material provided by the invention has excellent sensitivity and selectivity to ethanol, can be prepared by a simple hydrothermal method without a surfactant, and provides a way with a wide prospect for developing a high-performance gas sensor.

The invention relates to a preparation method of a thermoplastic resin-based carbon fiber prepreg tape. The method comprises the following steps: performing electrochemical oxidation treatment on a carbon fiber tow, and introducing a polar functional group on the surface of the carbon fiber tow; drying and spreading the obtained carbon fiber tows, impregnating the carbon fiber tows in a thermoplastic resin dispersion liquid, and then drying and molding to obtain a thermoplastic resin-based carbon fiber prepreg tape; wherein the thermoplastic resin dispersion liquid is a thermoplastic resin solution containing aluminosilicate, nanocellulose and sodium carboxymethyl cellulose, and the dispersion liquid does not contain a surfactant and a defoaming agent; the dosage of the aluminosilicate is 2.7 w / w%-3.6 w / w% of the mass of the thermoplastic resin, the dosage of the nanocellulose is 0.7 w / w%-1.2 w / w% of the mass of the dispersion liquid, and the dosage of the sodium carboxymethyl cellulose is 1.1 w / w%-1.5 w / w% of the mass of the dispersion liquid.

The invention provides a method for separating plant tissue cell nucleuses, which comprises the following steps: carrying out homogenate standing on plant tissue coarse powder obtained by freezing and grinding liquid nitrogen and a separating medium A, filtering to obtain a first filtrate, centrifuging the first filtrate, collecting precipitate, carrying out resuspension centrifugation by using a separating medium B, collecting precipitate, and carrying out resuspension filtration by using a separating medium C to obtain a second filtrate, sequentially adding a separation liquid D and a separation liquid E into the second filtrate to form a density gradient system, centrifuging, collecting an interface layer solution containing cell nucleuses, and washing the interface layer solution containing the cell nucleuses with a separation liquid C to obtain purified cell nucleuses; wherein the separation liquid A does not contain a surfactant, the separation liquid B contains a nonionic surfactant, and the separation liquid C does not contain a surfactant.

The present application is an emulsified composition containing (A) a silicon resin containing a titanium atom, (B) an oil agent that is liquid at 25°C and is soluble in the component (A), selected from one or more of the group consisting of a hydrocarbon oil, an ester oil, and a silicone oil, (C) water, and does not contain a surfactant. Thus, the present application aims to provide an emulsified composition that does not use a surfactant and is excellent in stability and usability, and to provide a cosmetic containing the above emulsified composition that is excellent in use feeling.

The present application relates to a laundry sheet free of an SLS surfactant, and a preparation method therefor. The laundry sheet free of an SLS surfactant comprises a film-forming agent, an anionic surfactant, a nonionic surfactant, a chelating agent, an enzyme preparation, an auxiliary agent and an essence, wherein the film-forming agent comprises polyvinyl alcohol and one or more of cellulose and starch sodium dodecenyl succinate; the anionic surfactant comprises at least two of sodium α-olefin sulfonate, sodium fatty acid methyl ester sulfonate and sodium isethionate; and the nonionic surfactant comprises at least two of fatty alcohol polyoxyethylene ether, a fatty acid methyl ester ethoxylate, an oil ethoxylate, etc. In the present application, SLS is omitted, thereby reducing irritation to the skin; moreover, specific choices are made to compensate for the influence of the omission of SLS on the preparation of a laundry sheet, thereby obtaining a laundry sheet having a good decontamination effect, a fast dissolution speed, good moisture resistance and dryness resistance, and high stability.

The present invention relates to a preparation method for a vinyl chloride-series copolymer, and a vinyl chloride-series copolymer latex, paste resin, liquid composition and solid composition. The preparation method for the vinyl chloride-series copolymer comprises: in an aqueous medium which does not contain a surfactant, performing emulsion polymerization on vinyl chloride A, a copolymerization monomer B and a functional monomer C in the presence of a polymerization initiator under stirring, wherein per molecule of the functional monomer C contains one free radical polymerizable group and two functional groups which are selected from an amide group, a carboxyl group and a carboxylate group and which are not an amide group or a carboxyl group at the same time, and the mass ratio of the copolymerization monomer B to the functional monomer C is 1 / 12-12 / 1. The vinyl chloride-series copolymer latex of the present invention does not contain a surfactant; and the vinyl chloride-series copolymer constituting the latex has a vinyl chloride A-based unit, a copolymerization monomer B-based unit and a functional monomer C-based unit.

The invention relates to a cosmetic composition in the form of an emulsion, essentially free of surfactant(s), comprising: – an aqueous phase in a content of less than or equal to 45% by weight relative to the total weight of the composition; – a fatty phase comprising at least one oil; – stabilizing particles at the interface of the aqueous and fatty phases having a volume median size (Dv50) measured under wet conditions of from 1 to 80 µm, in a content of 0.05% to 30% by weight relative to the total weight of the composition.

MONOPHASIC MICELLAR COSMETIC CLEANSING COMPOSITION A cosmetic cleansing composition includes a monophasic micellar water that includes at least one amphoteric surfactant present at more than approximately 0.05% by weight, at least one cationic polymer including chitosan, polylysine, guar hydroxypropyltrimonium chloride, or combinations thereof present at more than approximately 0.01% by weight, relative to the weight of the composition, and an aqueous carrier that includes at least water. The cosmetic cleansing composition has a pH in the range of approximately 4 to approximately 8 and may be essentially free or free of PEG / POE surfactants. When applied to remove makeup from keratinous tissue, the cosmetic cleansing composition demonstrates effective cleansing of foundation and long-lasting lipstick. Figure for abbreviation: none

The present invention discloses a method for preparing flaky silver powder for low-temperature curing silver paste, and relates to the technical field of metal powder metallurgy. In the present invention, a dispersant is added when preparing a silver nitrate solution, and the speed at which the silver nitrate solution is dripped into a reducing agent solution is controlled. After the reaction is completed, a surfactant is added, and spherical silver powder is obtained after washing and drying. The spherical silver powder is then ground together with zirconium oxide grinding balls, and sieving is performed after the grinding is completed to obtain flaky silver powder. The present invention prepares spherical silver powder of different particle sizes and good particle size uniformity by regulating the reaction conditions, and adds a surfactant after synthesis to make the silver powder particles in a monodisperse state, and dry-ball mills the silver powder after drying. The surfactant free between the silver powder particles can be used as a grinding aid in the dry ball milling process to prevent the flake powder from sticking together. At the same time, a secondary coating is performed on the newly exposed surface of the flake powder to make the modification and coating of the silver flake powder more uniform.

Compositions and methods for treating a subterranean formation. The method comprises introducing a treatment fluid into a wellbore penetrating the subterranean formation, The treatment fluid is formulated from an aqueous base fluid, a polycarboxylic aminophosphonate agent, and a dispersion of nanobubbles. A rock face of the subterranean formation is contacted with the treatment fluid.

A biphasic composition having a stable interface. The present invention relates to a composition comprising a separate aqueous phase and an oil phase, characterized in that the oil phase comprises a mixture of squalane, dioctyl ether and a linear or branched alkane having 15 to 19 carbon atoms, said composition being substantially free of surfactants and siloxanes. The invention also relates to related methods and cosmetic uses.

Provided are an ultraviolet (UV)-blocking cosmetic composition which is dispersed in water and is free of oil and a method of preparing the same. Since the composition does not contain oil, skin trouble may not occur, and since the composition does not include a surfactant, spreadability and feeling of use are excellent. In addition, cloudiness phenomenon or skin greasiness does not occur during use, and the UV-blocking effects are excellent.

The application belongs to the technical field of pharmaceutical preparation, and particularly relates to a vitamin K1 injection and a preparation method thereof. The vitamin K1 injection provided by the application is prepared from an active ingredient vitamin K1, excipients and water for injection; wherein the excipients include a solubilizer, bile acid and phospholipid, a cosolvent, an alkaline reagent, and a pH regulator; wherein the mass ratio of the bile acid to the phospholipid is 0.5-0.8:1. The vitamin K1 injection does not contain a surfactant, and does not need to use an organic solvent in the preparation process. On the premise of not increasing high equipment cost investment, the product with the required quality is obtained, the clarity, color, particle size distribution, pH value, main ingredient content, related substance content and stability of the product are consistent with those of the original preparation, the safety of clinical use is significantly improved, and the product has a great commercial application prospect.

This application relates to a detergent tablet free of SLS surfactant and its preparation method. The present application relates to a detergent tablet without SLS surfactant, which includes a film-forming agent, an anionic surfactant, a non-ionic surfactant, a chelating agent, an enzyme preparation, an auxiliary agent and a essence. The film-forming agent includes one or more of polyvinyl alcohol, cellulose, and dodecenyl succinate starch ester. The anionic surfactant includes at least two of sodium α-olefin sulfonate, sodium fatty acid methyl ester sulfonate, and sodium hydroxyethyl sulfonate. The non-ionic surfactant includes at least two of fatty alcohol polyoxyethylene ethers, fatty acid methyl ester ethoxylate, and oil ethoxylate. This application omits SLS, reducing skin irritation, and compensates for the impact of omitting SLS on detergent tablet production through specific selection, resulting in detergent tablets with excellent stain removal effect, fast dissolving rate, good moisture and drying resistance, and high stability.

The application discloses a photoresist stripping liquid and a preparation method and application thereof, and belongs to the technical field of photoresist cleaning. According to mass fractions, the photoresist stripping liquid comprises 40.00-70.00 parts of an alcohol ether solvent, 25.00-55.00 parts of an amide solvent, 1.00-20.00 parts of an alkanolamine, 0.10-2.00 parts of a pH regulator and 0.01-2.00 parts of a metal protective agent. The photoresist stripping liquid is a water-based stripping liquid without environment-hazardous organic solvents, can effectively inhibit Al metal layer corrosion, and avoids the corrosion problem of glass substrate metal wiring through the use of the pH regulator. Meanwhile, the stripping liquid does not contain a surfactant, thereby solving the problem of large foam in the stripping liquid use process. The preparation method of the photoresist stripping liquid is simple, and each component can be directly mixed according to the proportioning.

Cosmetic compositions with a high urea content The present invention relates to a cosmetic composition comprising, in a physiologically acceptable medium, urea and / or its derivatives in a content of between 25% and 40% by weight relative to the total weight of the composition; at least one non-saccharide, non-emulsifying, hydrophilic gelling polymer; at least one scleroglucan gum; said composition comprising less than 2% by weight relative to the total weight of the composition of surfactant, preferably less than 1%, even better less than 0.5% or even is completely free of surfactant. It also relates to the use of such a cosmetic composition for skin care, in particular for facial or body skin, as well as a cosmetic process for skin care, in particular for facial or body skin, comprising the application of such a cosmetic composition. Figure for abstract: none