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22 results about "Surfactant free" patented technology
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Preparation method of supported platinum-rhodium-copper alloy core-shell nanoelectrocatalyst
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.
Owner:DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES
Ginsenoside composition gel liquid soap for double residence on skin and preparation method thereof
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.
Owner:潘东凯
Emulsified composition and cosmetic material
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.
Owner:SHIN ETSU CHEMICAL CO LTD
Polymer deposition and attachment process for textile
PendingJP2025186545AStain/soil resistant fibresOther chemical processesPolymeric surfacePolymer science
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
Owner:DAIKIN AMERICA INC +1
Method and system for in-situ remediation using surfactant-free oil-in water emulsion
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.
Owner:TERSUS ENVIRONMENTAL LLC
An osmotic pump tablet, its preparation method and use
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.
Owner:SHANGHAI WD PHARM CO LTD
SnO2 material with high response to ethanol gas as well as preparation method and application of SnO2 material
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.
Owner:NINGBO AUTOMOTIVE COMPONENT TESTING LTD
Biosurfactant based micellar cleansing composition
Owner:LOREAL SA
Preparation method of thermoplastic resin-based carbon fiber prepreg tape
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.
Owner:BEIJING FANGSHUO COMPOSITE TECH CO LTD
Emulsified compositions and cosmetics
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.
Owner:SHIN ETSU CHEMICAL CO LTD
Laundry sheet free of SLS surfactant, and preparation method therefor
PCT designated stageWO2026055884A1Inorganic/elemental detergent compounding agentsNon-ionic surface-active compoundsCellulosePolyvinyl alcohol
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.
Owner:GUANGZHOU JOYSON CLEANING PROD CO LTD
Fragrance composition
Owner:GIVAUDAN SA
Surfactant free wettability modification
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.
Owner:HALLIBURTON ENERGY SERVICES INC
Biphasic composition with stable interface
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.
Owner:LOREAL SA
Water-dispersible, oil-free, and UV-blocking cosmetic composition and preparation method therefor
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.
Owner:KOLMAR KOREA
A vitamin K1 injection solution and its preparation method
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.
Owner:SHIJIAZHUANG NO 4 PHARMACEUTICAL CO LTD
Laundry sheet free of sls surfactant, and preparation method therefor
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.
Owner:GUANGZHOU JOYSON CLEANING PROD CO LTD
A photoresist stripping solution, its preparation method and application
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.
Owner:SHANGHAI SHENGJIAN MICROELECTRONICS CO LTD
COMPOSITION INCLUDING CHITOSAN AND SALICYLIC ACID OR DERIVATIVES THEREOF
COMPOSITION COMPRISING CHITOSAN AND SALICYLIC ACID OR DERIVATIVES THEREOF. The present invention relates to a composition comprising: (a) at least one cationic polymer selected from chitosans; (b) at least one compound selected from salicylic acid and its derivatives; (c) water; and (d) oil, wherein the composition does not comprise a surfactant or at least one surfactant in an amount of 1% by weight or less, preferably 0.1% by weight or less, and more preferably 0.01% by weight or less, relative to the total weight of the composition. The composition according to the present invention includes oil and water, but is stable, and may include at least one environmentally friendly ingredient, although the composition does not include a surfactant or a small amount of surfactant(s). Figure for abstract: none
Owner:LOREAL SA
Method for manufacturing a reinforcement suitable for embedding in a panel or slab based on a material containing an aqueous fraction, reinforcement and slab together.
A method for manufacturing a reinforcement suitable for embedding in a panel or slab based on a material comprising an aqueous fraction, comprising a step of manufacturing a structure comprising glass filaments, a step of depositing a protective layer based on a polymeric composition on the surface of said structure, and a step of crosslinking said protective layer, characterized in that said polymeric composition is surfactant-free and comprises a polymeric binder, said polymeric binder being selected from the group comprising acrylic, styrene butadiene, styrene acrylic, ethylene vinyl acetate.
Owner:COMPAGNIE CHOMARAT
Micellar cleansing formula based on biosurfactant
Owner:LOREAL SA
Aqueous liquid cosmetic material
This aqueous liquid cosmetic material contains (A) at least 70 mass% of water, (B) 1-10 mass% of silicone powder, (C) a film-forming polymer emulsion in an amount of 0.5-20 mass% in terms of a solid content basis, and (D) 0.01-1 mass% of cationically modified xanthan gum, and does not substantially contain (E) a surfactant. It is preferable to further include 0.5-2 mass% of (F) a water-soluble film-forming agent. The aqueous liquid cosmetic material preferably has a viscosity indication value of 6,000 [(mPa·s)×(g / cm3)] or less, specifically, 4,000 [(mPa·s)×(g / cm3)] or less, and the formulation may be either an emulsion type or a liquid type (dilute emulsion). In particular, the cosmetic material is suitable as a spray-type cosmetic material when the viscosity indication value is 100 [(mPa·s)×(g / cm3)] or less.
Owner:JO COSMETICS