165 results about "Non ionic" patented technology

The invention provides a salicylic acid composition as well as a preparation method and application thereof. The salicylic acid composition comprises the following components in percentage by weight: 0.5-2% of salicylic acid; 1-10% of an oil phase component; 2-8% of a polyol co-emulsifier; 2.4%-5% of a nonionic surfactant; and the balance of purified water. Compared with the prior art, the salicylic acid composition has the beneficial effects that the salicylic acid is dissolved in the specific grease preferably, and the emulsifier and the polyol co-emulsifier which are suitable for preparing the stable emulsion are screened out, so that compared with the existing water-soluble salicylic acid system, the salicylic acid composition disclosed by the invention is dissolved in the specific grease, and the stability of the stable emulsion is improved. The property that salicylic acid does not ionize H < + > in grease is utilized, the irritation problem caused by salicylic acid is reduced, and meanwhile it is guaranteed that salicylic acid still exists in a molecular form (not separated out) in a system under the condition that the pH value is low (2.0-4.5).

The invention provides a composite immersed cooling liquid as well as a preparation method and application thereof. Comprising a dispersion phase, a continuous phase, an emulsifier and an additive, the dispersion phase is fluorine cooling liquid, the continuous phase is oil cooling liquid, the emulsifier is one or more compounded nonionic surfactants, and the HLB value of the emulsifier is 4-9 or 10-18; according to the composite immersed cooling liquid disclosed by the invention, the advantages of high heat conductivity of the oil phase and high safety (non-combustibility and high dielectric strength) of the fluorine phase are ingeniously combined, and 1 + 1gt is realized; 2, the effect is achieved; the oil phase with high cost performance is used for replacing most expensive fluorine phases, and the overall material cost is reduced by 40%-60% compared with that of pure fluorine cooling liquid; the nano-scale microemulsion is formed through the specific emulsifier, the fundamental problem that a traditional mixed solution is inevitably layered is solved, and the shelf life is long; the cooling liquid disclosed by the invention has good material compatibility, and the problem that a pure fluorine liquid swells some sealing materials is avoided.

The invention relates to the technical field of oil extraction, and discloses a gel foam system and application thereof. Based on the total weight of the gel foam system, the gel foam system is prepared from the following components in percentage by weight: 0.3 to 1 percent of foaming agent, 0.25 to 0.4 percent of copolymer, 0.4 to 1 percent of cross-linking agent, 0.2 to 0.6 percent of sodium alginate, 0.01 to 0.05 percent of solubilizer, 0.01 to 0.06 percent of rice hull ash, 0.02 to 0.05 percent of deoxidant, 0.02 to 0.05 percent of stabilizer and 97.79 to 98.79 percent of water, wherein the foaming agent is a compound containing an ionic foaming agent and a nonionic foaming agent in a weight ratio of (3: 1)-(1: 3). When the gel foam system is applied to water shutoff and profile control in the oil exploitation process, good temperature resistance and salt resistance are achieved, and oil exploitation of stratums with high temperature and / or high mineralization degree is facilitated.

The invention relates to a reverse osmosis membrane and a preparation method and application thereof.The preparation method of the reverse osmosis membrane comprises the following steps that oil, a surfactant and water are mixed to prepare an oil-in-water type nano-emulsion, the surfactant comprises a nonionic surfactant, the average particle size of the oil-in-water type nano-emulsion is 80-200 nm, and the polydispersity index is smaller than or equal to 0.3; an aqueous solution of inorganic metal salt and an oil-in-water type nano-emulsion are sequentially placed on the same surface of a supporting film, dendrites are formed through heat treatment, and the mass ratio of the inorganic metal salt to the oil-in-water type nano-emulsion is 1: 50-1: 30; and preparing a polyamide separation layer on the surface of the support membrane on which the dendrites are distributed through reverse interfacial polymerization to obtain the reverse osmosis membrane. When the reverse osmosis membrane prepared by the preparation method is applied to water treatment, high desalination rate can be maintained, and meanwhile, high water flux is achieved.

A method of decellularization of animal tissue, comprising the steps of: mechanical homogenization of animal-derived tissue, incubation of the homogenized tissue from step a) in a solution of trypsin and EDTA, subjecting the filtered tissue to incubation in a PBS buffer solution with a pH in the range of 7.2-7.6 containing a non-ionic detergent at a concentration of 4 - 2% and NH4OH at a concentration of 0.2 - 0.08%, rinsing the tissue with a PBS buffer solution containing an antimicrobial agent, incubation in a deoxyribonuclease solution at a concentration of 0.001 to 0.003% (w / v), rinsing the decellularized tissues obtained with a PBS buffer solution containing an antimicrobial agent, wherein the non-ionic detergent is a compound with a molecular weight of 596 g / mol and additional steps of incubating the tissue in the solution PBS buffer with a pH of 7.2- 7.6 containing a non-ionic detergent at a concentration of 1.5-0.5% and NH4OH ata concentration of 0.2-0.08%, where the incubation is carried out at a temperature below room temperature for 36-48h, and incubation of the tissue in a PBS buffer solution with a pH of 7.2-7.6 containing a non- ionic detergent at a concentration of 0.75-0.25% and NH4OH at a concentration of 0.2-0.08%, where the incubation is carried out at a temperature below room temperature for 36-48h. Bioink containing decellularized tissue of animal origin.

To provide a polymer flocculant excellent in flocculation performance, and a method for producing the same.SOLUTION: A polymer flocculant according to the present invention is a water-in-oil emulsion containing a high molecular weight polymer obtained by subjecting a monomer mixture containing the following components (a) to (d) to water-in-oil emulsion polymerization, the components (a) to (d) including: (a) a cationic monomer having a quaternary ammonium salt group; (b) an anionic monomer; (c) a nonionic monomer; and (d) a crosslinkable monomer, where a content of an anionic monomer having a neutralized acid group among the anionic monomers is less than 3 mol% with respect to the whole anionic monomers; a proportion of the nonionic monomer is 20 mol% or less with respect to the whole monomers; and viscosity at 25°C of a 1M sodium chloride aqueous solution containing 0.1 mass% of the water-in-oil emulsion in terms of the polymer is 1.3 to 3.5 mPa s.SELECTED DRAWING: None

The present invention provides a surfactant permeability enhancer for enhancing production in low-permeability reservoirs, its preparation method and application. The surfactant permeability enhancer comprises raw materials in the following weight ratio: 15-30 parts of betaine surfactant, 25-40 parts of non-ionic surfactant, 1-5 parts of modified nano-silica, 0.5-3 parts of graphene, and 300-600 parts of water. The surfactant permeability enhancer for enhancing production in low-permeability reservoirs provided by the present invention can improve the imbibition production degree during the spontaneous imbibition production of cores, increasing the oil-phase contact angle from about 33° to about 120° before and after imbibition. When used in the volume fracturing of tight reservoirs, the average stage production increases by more than 30% compared with conventional permeability enhancers. When used in the high-depth profile control and displacement of ultra-low permeability reservoirs, the water cut in the original solution decreases significantly and the oil production increases significantly.

The invention relates to the field of oil extraction chemistry, and discloses a nanoparticle type nonionic surfactant as well as a preparation method and application thereof. The preparation method of the nonionic surfactant comprises the following steps: in the presence of water and a catalyst, mixing polyether with a structure as shown in a formula I with styrene to carry out polymerization reaction, wherein R is a C10-C20 alkyl group, and n is equal to 5-20. The nonionic surfactant prepared by the method not only has good emulsifying performance, can form an emulsion with crude oil under a micro-disturbance condition, has good oil displacement effect, but also has good structural stability, and can enhance the stability of the emulsion.

An object of the present invention is to provide a multi-layer cleansing composition that maintains a sufficient makeup-removing effect like oil, has easy rinsability and a soft texture like a gel, and has an aesthetically pleasing appearance. The present invention relates to a multi-layer cleansing composition containing: (a) a nonionic surfactant having an HLB of 8 to 12, (b) an oil component, (c) a humectant, and (d) water, wherein the ratio [(a) / (b)] of the blending amount of the (a) nonionic surfactant to the blending amount of the (b) oil component is in the range of 0.4 to 0.8, and when the multi-layer cleansing composition is allowed to stand, it separates into a plurality of layers including (A) at least one bicontinuous microemulsion phase and (B) at least one oil phase. The composition reversibly becomes a single-layer gel by shaking.

A foaming antiperspirant or deodorant composition comprising: a. an oil in water emulsion comprising: i. a first oil phase comprising one or more emollients; ii. a second oil phase comprising one or more emollients; wherein the second oil phase emollients have at most 5% solubility in the first oil phase emollients; iii. an antiperspirant or deodorant active; iv. one or more nonionic emulsifier; and v. a fragrance; and b. at most about 15%, by weight of the composition, of a blowing agent.

The application discloses a non-ionic gemini surfactant for displacement and a preparation method thereof, and a nano-emulsion displacement agent and a preparation method thereof. The nano-emulsion displacement agent comprises the following raw materials in parts by weight: 20-35 parts of a surfactant; 1-10 parts of a nanometer material; 5-10 parts of a dispersing agent; 15-20 parts of a stabilizer; 15-45 parts of an auxiliary agent; and 30-55 parts of an aqueous phase. The surfactant is a complex system of an anionic surfactant and a non-ionic gemini surfactant. The nano-emulsion displacement agent prepared by the application has good temperature resistance and salt resistance, small particle size, can significantly reduce the oil-water interfacial tension, can easily penetrate into the micro-pore throat of a stratum, can displace crude oil from the pore throat, can improve the oil displacement efficiency, and can further improve the crude oil recovery rate.

An emulsion polymer comprising: (a) structural units of a specific polymerizable surfactant, (b) structural units of an ethylenically unsaturated anionic monomer, and (c) structural units of an ethylenically unsaturated nonionic monomer; wherein polymer segments of the emulsion polymer that comprise structural units of the ethylenically unsaturated anionic monomer and structural units of the ethylenically unsaturated nonionic monomer together have specific Hansen solubility parameters. An aqueous coating composition comprising such emulsion polymer provides good early water blister resistance.

The application provides a kind of simulated human tissue fluid and its preparation method and application, it relates to wireless communication technical field, the simulated human tissue fluid includes: water, 55wt%~75wt% by mass percentage;Ionic inorganic salt, 2wt%~5wt%;Albumin, 10wt%~18wt%;Lipid, 12wt%~20wt%;Non-ionic surfactant, 2wt%~4wt%;Preservative, 0.2wt%~1wt%.Therefore, by water, ionic inorganic salt, albumin, lipid, non-ionic surfactant and preservative cooperate to simulate the skin of human body, so as to be able to carry out APD test in the frequency range of 10GHz~30GHz, and the stability of simulated skin tissue fluid is good, and the cost is lower.

The present disclosure provides nonionic surfactants having the formula I:R-[A] x -[B] y A nonionic block copolymer structure of Formula I, wherein R is a C8-C30 alkyl, x is 8-20, y is 2-20, and [A] x The block is formed from propylene oxide, [B] y The blocks relate to nonionic surfactants formed from ethylene oxide and having a cloud point greater than 15°C.

The invention relates to the technical field of biological detection, and discloses a reagent and a kit for treating a biological sample and application of the reagent and the kit. The reagent comprises a buffer solution and a nonionic surfactant, wherein the nonionic surfactant is prepared from ethyl phenyl polyethylene glycol and decyl glucoside. When the reagent provided by the invention is used for treating a biological sample, especially a biological sample with relatively high impurity content, the adverse effect of impurities on the adsorption of pathogens by magnetic beads can be effectively reduced.

This invention discloses an electro-assisted passivation solution and its preparation and passivation methods. The raw materials of the electro-assisted passivation solution include the following components: 0.1-1 wt.% alkali-soluble mercapto compound, 0.1-1 wt.% amphoteric oxide, 1-5 wt.% inorganic alkali, 0.5-1.5 wt.% nonionic surfactant, and the balance being water. The components do not contain toxic substances. The passivation solution is suitable for electro-assisted passivation processes. The film formation process on copper parts is very fast, and the formed film layer is dense and uniform, resulting in good corrosion resistance, high protection effect, and environmental friendliness for the copper parts.

This disclosure relates to the field of GLP-1R and GCGR agonists, formulations, and methods of using the same, including but not limited to dual agonist peptides of any of SEQ ID NOS. 1-10 or 12-27 conjugated to a non-ionic glycolipid surfactant.

The invention discloses a method for synthesizing ziram. The method comprises the following steps: S1, stirring a compound surfactant and zinc oxide to obtain a dispersion liquid; s2, sealing and pressurizing, and adding dimethylamine for reaction to obtain a dimethylamine salt mixture; and S3, dropwise adding carbon disulfide, performing condensation reaction, and removing impurities to obtain the ziram, wherein the compound surfactant contains at least one of a nonionic surfactant, an anionic surfactant or a macromolecular surfactant. According to the method, the efficient and green synthesis of the ziram is realized through the synergistic effect of a compound surfactant system, a sealed pressurized reaction and a progressive charging sequence.

The present disclosure relates to gypsum slurries. In one aspect, a surfactant combination containing (i) 20 wt% to 80 wt% of an anionic diaryl oxide surfactant; and (ii) 20 wt% to 80 wt% of a non-ionic glycosyl surfactant can be used as a foaming agent for gypsum slurries used to produce gypsum board. The minimum ratio of anionic surfactant to non-ionic surfactant can vary depending on the lipophilic portion of the anionic surfactant. The resulting board can have a desired combination of weight and physical strength, as evidenced by nail pull resistance.

The invention discloses a gemini type organosilicon surfactant and a preparation method and application thereof, and belongs to the technical field of surfactants, the gemini type nonionic silicon-carbon surfactant replaces a fluorine-containing surfactant, is easy to degrade, easy to dissolve in water and high in surface activity, and the surfactant is simple in synthesis method, high in total yield and suitable for industrial production. And the cost of the aqueous film-forming fire extinguishing agent can be greatly reduced.

The application provides a non-ionic polyether demulsifier and a preparation method and application thereof, and belongs to the technical field of demulsifiers.The non-ionic polyether demulsifier comprises the following components in mass fraction: 25-45 parts of a non-ionic surfactant, 0.1-5 parts of a dispersant, 35-55 parts of a cosolvent and 0.1-1 parts of an antioxidant.The addition of the non-ionic surfactant, the dispersant and the cosolvent in the application can help to reduce the oil-water interfacial tension, promote oil-water separation, shorten the demulsification time and improve the demulsification efficiency, can play the excellent demulsification performance of the application under more extensive conditions, and reduce the adverse effects of emulsions on equipment;the addition of the antioxidant can maintain its original performance for a long time, prevent performance reduction caused by oxidation, is beneficial to inventory management and long-term use, and ensures the effectiveness and reliability in actual application.

A cyclic peptide or a salt thereof having excellent cell membrane permeability, and an MIDMX inhibitor are provided. The cyclic peptide or a salt thereof is represented by Formula (1) in the specification and has characteristics (a) to (c): (a) In a structure of the cyclic peptide, where an axis length in a longest axis direction of a main chain structure is denoted by a, and axis lengths in two other directions which are orthogonal to a and are orthogonal to each other are denoted by b and c, a molecular shape factor r calculated by Formula (2) after a step of carrying out an ellipsoidal approximation for obtaining each of the axis lengths a, b, and c is within a range of 0.4 to 0.6; (b) the main chain structure of the peptide contains a sulfur atom; and (c) the peptide is non-ionic in a physiological environment:r=2⁢b2+c2a2+b2+c2+a2.(2)

The invention discloses an efficient transdermal absorption sub-nano emulsion as well as a preparation method and application thereof. The sub-nano emulsion is prepared from isosorbide dimethyl ether, stearamide propyl dimethyl benzyl ammonium chloride and a nonionic emulsifier. The sub-nano emulsion can carry 10-20% of oily raw materials, and has the characteristic of high oily component carrying rate; the sub-nano emulsion carries positive charges and can interact with negative charges on the skin surface, so that the adhesion ability of active ingredients on the skin is enhanced; the sub-nano emulsion is a micro-emulsion system mainly constructed by a nonionic emulsifier, has a large specific surface area due to the small particle size, and can increase the contact area between active ingredients and skin and improve the transdermal absorption efficiency; the preparation process of the sub-nano emulsion has the advantages of simple steps and controllable process, and is favorable for realizing large-scale industrial production.

The invention discloses a chymotrypsin compound preparation for intervertebral disc degeneration through ultrasonic injection and a preparation method, and relates to the technical field of chymotrypsin compound preparation preparation. Comprising freeze-dried recombinant chymotrypsin powder, biodegradable nanoparticles loaded with chymotrypsin and a matrix synthesis promoting factor, and a microenvironment response type hydrogel precursor solution, the freeze-dried recombinant chymotrypsin powder comprises chymotrypsin, trehalose, mannitol and a nonionic surfactant, wherein the mass ratio of the chymotrypsin to the trehalose to the mannitol to the nonionic surfactant is 1: 10: 5: 1; freeze-dried chymotrypsin powder, ultrasonic response type PLGA nano-microspheres loaded with chymotrypsin and matrix synthesis promoting factors and a microenvironment response hydrogel precursor solution containing a sound-sensitive cross-linking agent are organically combined, and removal-regeneration synergistic treatment is achieved after percutaneous injection is conducted to a degenerated intervertebral disc.

The present invention relates to a growth substrate formed of man-made vitreous fibres bonded with a binder, wherein the growth substrate further comprises a non-ionic wetting agent, wherein the non-ionic wetting agent is one or more compounds of formula (I).

The application discloses a CO2 self-thickening gel foam system which is composed of the following components: 3-10wt% of non-ionic responsive surfactant, 1-10wt% of anionic-non-ionic foaming agent, 1-5wt% of rheological modifier, 3-10wt% of salt additive, and the rest of water. The application discloses a preparation method of the CO2 self-thickening gel foam system, which comprises the following steps: (1) adding the formula amount of non-ionic responsive surfactant and the formula amount of rheological modifier into the formula amount of water, stirring at a first stirring speed for a first stirring time, and obtaining a uniformly dispersed mixed solution; (2) adding the formula amount of anionic-non-ionic foaming agent and the formula amount of salt additive into the mixed solution respectively, stirring at a second stirring speed for a second stirring time, and obtaining the CO2 self-thickening gel foam system. The application further discloses an application of the CO2 self-thickening gel foam system as a CO2 channeling blocking agent.

A personal care composition having at least a cleansing phase and a benefit phase. The composition is substantially free of alkyl sulfate and alkyl ether sulfate type of surfactants. The cleansing phase includes: an alaninate surfactant; a zwitterionic or amphoteric surfactant; and a structuring system. The structuring system has from 0.5% to 5% of an emulsifying agent by weight of the composition. The emulsifying agent is a glyceryl ester and / or a non-ionic emulsifier having an HLB of from 3.4 to 13.0. The glyceryl ester is selected from glyceryl laurate, glyceryl caprate, glyceryl caprylate, glyceryl caprylate / caprate, glyceryl stearate, and a mixture thereof. The non-ionic emulsifier having an HLB of from 3.4 to 13.0 includes trideceth-3 or trideceth-4. The structuring system also includes from 0.01% to 10% of a rheology modifier by weight of the composition. The benefit phase includes from 0.1% to 50% of a benefit agent by weight of the composition. The personal care composition has a pH that is from 4.0 to 5.5.

The application discloses a high-efficiency fluorite collecting agent and a preparation method thereof, and comprises the following raw materials in parts by weight: 20-45 parts of oleic acid with different iodine values, 5-10 parts of amide surfactant, 3-5 parts of inorganic alkali or organic alkali, and 10-25 parts of low-carbon-chain alcohol compounds; the amide surfactant is a non-ionic surfactant, and a general structure of the amide surfactant is R1-C(O)NH(CH2) n CH2-R2, wherein R1 is a carbon-hydrogen chain with 12-18 carbon atoms, n=5-6, and R2 is a functional group with hydrogen bond effect. The fluorite collecting agent can ensure high fluorite recovery rate, improve the grade of fluorite concentrate to a certain extent, reduce the amount of the collecting agent, and solve the problem of low fluorite concentration efficiency of the fatty acid fluorite collecting agent.

Methods for making and using hydrogels comprising therapeutic microparticle compositions are disclosed. Illustrative methods of the invention include methods of making a hydrogel composition, the method comprising combining at least 14% w / v of a non-ionic copolymer surfactant having the linear formula (C3H6OꞏC2H4O)x; microparticles comprising a polycaprolactone; and a therapeutic agent; such that the hydrogel composition is made. Embodiments of the invention further include compositions made by the methods disclosure herein as well as methods for using these compositions. For example, methods of the invention include disposing a composition in the ear of a subject being administered cisplatin, wherein amounts of the composition administered are sufficient to preserve hearing function in a mouse model of cisplatin ototoxicity.