219 results about "Non ionic" patented technology

The invention discloses a high-efficiency fluorite collecting agent and a preparation method thereof. The high-efficiency fluorite collecting agent comprises the following raw materials in parts by weight: 20-45 parts of oleic acid with different iodine values, 5-10 parts of an amidate surfactant, 3-5 parts of inorganic alkali or organic alkali and 10-25 parts of a low-carbon-chain alcohol compound. The amidate surfactant is a nonionic surfactant, the structural general formula of the amidate surfactant is R1-C (O) NH (CH2) nCH2-R2, in the formula, R1 is a hydrocarbon chain containing 12-18 carbon atoms, n is equal to 5-6, and in the formula, R2 is a functional group with a hydrogen bond effect. According to the fluorite collecting agent, the efficient recovery rate of fluorite is guaranteed, meanwhile, the grade of fluorite concentrate is improved to a certain degree, the using amount of the collecting agent is reduced, and the problem that the fatty acid fluorite collecting agent is poor in fluorite concentration efficiency is solved.

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 the technical field of thick oil emulsification and viscosity reduction, and discloses an anionic and nonionic surfactant, a preparation method and application thereof, and a thick oil viscosity reduction method, the surfactant comprises a compound having a structure represented by formula (I) # imgabs0 #, each R2 is independently selected from H and C1-C4 alkyl groups, # imgabs1 # R5 and R6 are independently substituted or unsubstituted C8-C22 alkenyl groups, C8-C22 alkyl groups or heteroalkyl groups, and M is alkali metal; each R4 is independently selected from H, a C1-C4 alkyl group or # imgabs2 # and at least one R2 or R4 is # imgabs3 # R1 and R3 is independently selected from a substituted or unsubstituted C1-C20 alkylene group; in the surfactant, the average value of the s value is 1-100. The surfactant has very strong calcium and magnesium resistance, has strong interfacial activity in formation water with high calcium and magnesium ion concentration and high salinity, and has excellent emulsification and viscosity reduction capacity.

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.

The invention discloses a mesoporous-microporous SBA-15 / HY molecular sieve and a preparation method thereof.The method comprises the steps that S1, a nonionic surfactant, inorganic acid and water are mixed to be uniform, a silicon source is added into the mixture, a hydrolysis reaction is conducted under the ultrasonic emulsification condition, and a solid hydrolysate and mother liquor are obtained through filtering; s2, uniformly mixing the mother liquor, a nonionic surfactant, inorganic acid and water, adding a silicon source into the mixture, carrying out hydrolysis reaction under an ultrasonic emulsification condition, and filtering to obtain a solid hydrolysate and mother liquor; s3, repeating the step S2 for 5-20 times, combining all obtained solid hydrolyzates, and performing hydrothermal crystallization on the solid hydrolyzates by using mother liquor to obtain a crystallized product; and S4, dissolving the crystallized product in a hydrochloric acid solution, stirring, adding an HY molecular sieve, continuously stirring, filtering, drying, and roasting to obtain the mesoporous-microporous SBA-15 / HY molecular sieve. According to the method, the molecular sieve synthesis efficiency is improved, and the synthesis cost and pollution are reduced.

Compositions and methods for removing a first detergent or surfactant from an aqueous solution by adding a second detergent or surfactant at a concentration exceeding the critical micelle concentration (CMC) of the second detergent or surfactant are described. These compositions and methods are particularly suitable for solutions containing proteins. Typical first detergents / surfactants include polysorbate 20, polysorbate 80, and Triton X-100. Suitable second detergents or surfactants can be ionic, nonionic, or zwitterionic. Typical second detergents / surfactants include, but are not limited to, galactoside detergents (e.g., octyl-β-galactoside), glucoside detergents (e.g., MEGA8, MEGA9, MEGA10), cholamide detergents (e.g., CHAPS, CHAPSO, BIGCHAPS), and sulfobetaine detergents (e.g., sulfobetaine 3-10).

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

STEEL-COMPATIBLE FOAMING COMPOSITION FOR AID-ASSISTED HYDROCARBON RECOVERY The present invention relates to a corrosion-inhibiting foaming composition comprising a) a surfactant composition including at least one amphoteric compound and optionally one or more additional surfactants selected from ionic and non-ionic surfactants, and b) at least one sulfur compound. The invention also relates to the use of said foaming composition to prevent corrosion formation, as well as the process for assisted hydrocarbon recovery employing said foaming composition. Fig.: 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.

The invention discloses an oil exploitation aid and a preparation method thereof, and relates to the technical field of oil exploitation aids. The oil exploitation aid comprises the following raw materials in parts by weight: 30-40 parts of a modified carboxylate surfactant, 15-20 parts of a nonionic surfactant, 5-6 parts of a cosolvent, 4-6 parts of a stabilizer, 3-5 parts of an anti-scaling agent and 140-160 parts of deionized water. The preparation method comprises the following steps: firstly, carrying out a ring-opening acylation reaction by taking n-hexylamine, 1, 8-naphthalic anhydride and 12-bromo-1-dodecene as raw materials, carrying out an alkylation reaction to obtain 1-(dodecyl-11-ene-1-yl (amyl) carbamoyl)-2-sodium naphthoate, then carrying out a reaction with a first-generation polymer prepared from urotropine and p-aminophenol, and carrying out a reaction to obtain the 1-(dodecyl-11-ene-1-yl (amyl) carbamoyl)-2-sodium naphthoate. Finally, the modified carboxylate type surfactant is obtained. The oil exploitation auxiliary agent prepared by the invention has the effects of changing the wettability of a rock core and preventing swelling of clay, and the recovery rate of oil displacement of a low-permeability reservoir is improved.

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.

The invention discloses an amino acid type foam bacteriostatic hand sanitizer and a preparation method thereof.The hand sanitizer is prepared from, by weight, 0.1%-0.5% of a bacteriostatic agent climbazole, 4%-15% of an amino acid surfactant, 2%-18% of an ampholytic surfactant, 1%-15% of a nonionic surfactant, 1%-15% of a humectant, 0.01%-0.5% of a chelating agent, 0.1%-4% of a pH regulator and the balance water. 0.05-1% of essence, 0.1-1% of a preservative and the balance of water. The climbazole is applied to the hand sanitizer, and the climbazole is stable in property and low in price and toxicity under the action of light and heat; in the mixing process of climbazole and water, citric acid and lactic acid are added, the technical problem that climbazole is difficult to dissolve in water can be effectively solved, the dissolving speed is high, additional heating is not needed, and energy consumption can be effectively reduced; the prepared amino acid foam hand sanitizer has the advantages of being mild, low in irritation, good in antibacterial effect and good in low-temperature storage stability.

The invention discloses an electrically-assisted passivation solution and a preparation method and a passivation method thereof.The electrically-assisted passivation solution is prepared from 0.1 wt%-1 wt% of an alkali-soluble sulfhydryl compound, 0.1 wt%-1 wt% of amphoteric oxide, 1 wt%-5 wt% of inorganic alkali, 0.5 wt%-1.5 wt% of a nonionic surfactant and the balance water, the components do not contain toxic substances, and the passivation solution is suitable for an electrically-assisted passivation technology. And the film forming process on the copper piece is very fast, the formed film layer is compact and uniform, and the copper piece is good in corrosion resistance effect, high in protection effect and environmentally friendly.

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.

To provide a solubilizer having a wide choice option of usable addition components in a reaction system that solubilizes an oily component and capable of stably sustaining an excellent solubilized state in a wide temperature range, a use method thereof and a solubilization composition.SOLUTION: A solubilizer for solubilizing oily components in water contains a polyoxyalkylene nonionic surfactant (A) and a hydroxyl group-containing nonionic surfactant (B). The polyoxyalkylene nonionic surfactant (A) is one or more selected from polyoxyalkylene alkyl ethers (a1), polyoxyalkylene hydrogenated castor oils (a2) and polyoxyalkylene sorbitan fatty acid esters (a3), and the hydroxyl group-containing nonionic surfactant (B) is selected from one or more of alkyl glucamide (b1), alkyl polyglucoside (b2) and polyglycerin fatty acid esters (b3).SELECTED DRAWING: None

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 provides a composition for relieving cerebral ischemia reperfusion injury as well as a preparation method and application thereof, and relates to the technical field of biological pharmacy. The composition comprises icariside I, squalene, an oil phase, an emulsifier and a co-emulsifier, the emulsifier is selected from one or a mixture of more of a nonionic surfactant, an anionic surfactant and an ampholytic surfactant; the particle size of the composition ranges from 50 nm to 500 nm. The icariside I and the squalene are mixed according to a proper proportion, and the oil phase, the emulsifying agent and the co-emulsifying agent are introduced, so that the solubility and the bioavailability of the icariside I are remarkably improved, and the drug effect is remarkably improved; meanwhile, the preparation method of the composition provided by the invention is simple in process and mild in condition, provides a universal method for preparing the hydrophobic drug microemulsion, is beneficial to large-scale production, and has wide application and market prospects.

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.