60 results about "Non ionic" patented technology

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 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.

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 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).

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.

The invention belongs to the technical field of organic silicon chemistry and surfactants, and provides anionic silicon resin as well as a preparation method and application thereof in order to solve the problem that a traditional organic silicon surfactant is mainly non-ionic and is easy to hydrolyze. (Me3SiO0.5) a (R2Me2SiO0.5) b (Me2SiO) c (R2MeSiO) d (MeSiO1.5) e (R2SiO1.5) f (SiO2) g, in which a is 4 to 20, b is 0 to 15, c is 2 to 30, d is 0 to 15, e is 4 to 25, and f is 6 to 20; g is 20 to 50; r2 is (CH2) n + 1S (CH2) m + 3R1M, and R1 is SO3 <->, PO32 <-> or COO <->; m is Na < + >, K < + > or NH4 < + >; n = 0 or 2; and m = 0-9. The silicon resin is prepared by sulfydryl-alkene reaction, and has the core of silicon resin and excellent surface activity.

The invention discloses a high-insulativity water-based cooling liquid. The high-insulativity water-based cooling liquid comprises the following components in parts by weight: 25-40 parts of deionized water; 20 to 35 parts of ethylene glycol; 15 to 25 parts of propylene glycol; 5 to 15 parts of a high-insulation reinforcing agent; 0.02 to 0.1 part of a corrosion and scale inhibition compound agent; 0.2 to 1 part of an insulation stabilizer; 0.05 to 0.3 part of a copper corrosion inhibitor; 0.02 to 0.1 part of an aluminum corrosion inhibitor; 0.5 to 3 parts of a nonionic surfactant; according to the cooling liquid disclosed by the invention, the safety performance of the cooling liquid can be improved.

The invention discloses a developing solution composition for an integrated circuit, and belongs to the field of wet electronic chemicals. The composition is prepared from the following components in percentage by mass: 1.0 to 5.0 percent of inorganic base, 1.0 to 3.0 percent of developing accelerant, 0.1 to 1.0 percent of penetrating agent, 0.1 to 2.0 percent of nonionic Gemini surfactant and the balance of water, wherein the sum of the mass percent is 100 percent. According to the developing solution composition, the specific non-ionic Gemini surfactant is used, so that the obtained developing solution composition has excellent developing performance, photoresist with slight difference exposure can be effectively developed within the same developing time, edge residues are avoided, the photoresist can be ensured to be completely dissolved in the developing solution and cannot be adhered to a substrate again, and the developing solution composition has good developing performance. The product yield can be improved, and the environment-friendly water-based cleaning agent has the characteristics of excellent wettability, low irritation, easiness in rinsing, easiness in degradation and the like, is environment-friendly, and meets the environment-friendly requirement.

This invention discloses a surfactant composition, its preparation method, and its applications. The surfactant composition comprises a nonionic surfactant, an amphoteric surfactant, and optionally an anionic nonionic surfactant; wherein the nonionic surfactant is selected from at least one nonionic compound containing a hydrophobic hydrocarbon chain and two or more hydroxyl groups. The surfactant composition of this invention forms a bicontinuous phase structure through self-assembly, which is interconnected in all directions, thereby providing excellent mass transport properties and achieving rapid wetting. The use of a mixture of a polyhydroxy nonionic surfactant and an amphoteric surfactant enhances hydrogen bonding with water and the anions in the amphoteric surfactant, while the hydrophobic hydrocarbon chain enhances van der Waals forces, increasing the viscoelasticity of the coating under wetting conditions and thus enhancing its resistance to prolonged water misting.

Provided is a fiber bundling agent with which it is possible to produce a fiber bundle having excellent fluff suppression properties even after long-term storage. Provided is a fiber bundling agent which contains a thermosetting resin (A) and a nonionic surfactant (B) and satisfies at least one selected from the group consisting of condition 1 and condition 2. Condition 1: The concentration of non-volatile components is 50-100 wt%, the optical path length at 25 DEG C is 10 mm, and the light transmittance at a wavelength of 660 nm is 10% or more. Condition 2: A solvent (D) represented by general formula (1) is included, and the weight of water contained in the collecting agent is 0-8000 (inclusive) with respect to 100 of the total weight of the solvent (D) contained in the collecting agent. However, when the weight of water contained in the collecting agent is 600-8000 (inclusive) with respect to 100 of the total weight of the solvent (D) contained in the collecting agent, the solvent (D) contains a compound in which m is not 1 in general formula (1).

The present application provides a weakly acidic mild laundry mousse composition, the components of the weakly acidic mild laundry mousse composition include: natural soap-based surfactant, non-ionic polymer, surfactant, auxiliary, water. 12 -C 18 Metal salt of fatty acid, the raw material for preparing the non-ionic polymer includes N-alkyl diethanolamine, ethylene oxide, propylene oxide. The laundry mousse composition of the present application is stable in performance under weakly acidic conditions, has the characteristics of mild skin, easy to rinse over water.

The invention relates to a surfactant oil-displacing agent composition suitable for a high-temperature high-salinity carbonate rock low-permeability reservoir. The surfactant oil-displacing agent composition suitable for the high-temperature and high-salinity carbonate rock low-permeability reservoir is formed by mixing a cationic-nonionic surfactant, a betaine zwitterionic surfactant, an ether cosolvent and water, the mass ratio of the water to the cationic-nonionic surfactant to the betaine zwitterionic surfactant to the ether cosolvent is (40-60): (20-30): 10: (2-5). According to the present invention, the ultra-low interfacial tension is generated with crude oil and mineralized water under the low use amount, the recovery rate of the core oil displacement experiment is improved by 15-25% compared with the water displacement, and the oil displacement efficiency can achieve more than 60%. And the surfactant can be used as a surfactant product with stable performance for efficient oil displacement.

The invention discloses a fluorine-containing gemini surfactant and an application of the fluorine-containing gemini surfactant in a nano waterproof locking agent. The fluorine-containing gemini surfactant has a structure as shown in a formula (I), the waterproof locking agent is prepared from the following components in parts by weight: 0.005 to 0.2 part of fluorine-containing gemini surfactant, 0.01 to 0.2 part of modified nano molybdenum disulfide dispersion liquid, 0.01 to 0.2 part of nonionic hydrocarbon surfactant, 0.01 to 0.2 part of dispersant, 0.01 to 2 parts of stabilizer and 100 parts of water. The waterproof locking agent provided by the invention has excellent waterproof locking, anti-swelling and resistance-reducing effects, has good compatibility with formation water, and has a good application prospect;

An antimicrobial composition is provided comprising a cationic antimicrobial agent, a nonionic surfactant, an acid-base regulator, and a colorant. The invention also provides a preparation method of the antimicrobial composition. The preparation method comprises the following steps: providing a nonionic surfactant aqueous solution; mixing an acid-base regulator and a nonionic surfactant aqueous solution, wherein the acid-base regulator is organic acid containing carboxyl; and mixing the colorant, the cationic antimicrobial agent, and the nonionic surfactant aqueous solution with adjusted pH value to obtain the antimicrobial composition, thereby achieving the effect that the cationic antimicrobial agent does not produce precipitates in the antimicrobial composition.

The invention discloses a flexible pericardium biofilm, a preparation method thereof and application of the flexible pericardium biofilm in manufacturing of heart valves and tissue repair materials. The preparation method comprises the following steps: pretreating fresh pericardium, soaking the pretreated fresh pericardium in a decellularization solution, oscillating with a shaking table for a period of time, cleaning, soaking the cleaned pericardium in a cross-linking solution, standing for cross-linking for a period of time, and cleaning; the decellularization liquid is prepared from an ionic surfactant and a first non-ionic surfactant; the cross-linking liquid comprises a second nonionic surfactant and a cross-linking agent. The decellularization time is 2-10 hours, which is lower than that of other disclosed technologies, so that the risk caused by microorganisms is further reduced; according to the cross-linking process, under the participation of a second nonionic surfactant, cross-linking is carried out after the state of the pericardial collagen fibers is changed, the cross-linking probability of the crude fibers is reduced, and therefore the soft state after overall cross-linking is achieved.

The invention discloses a demineralized bone matrix fiber as well as a preparation method and application thereof. The method comprises the following steps: firstly, cleaning and disinfecting natural bones separated out of a body, then cutting the natural bones into bone blocks, further degreasing the bone blocks, and cutting the bone blocks into fibers with the length of 1-100mm and the thickness of 0.2-1.4 mm; then placing the bone fibers obtained by cutting in an acidic demineralization solution for demineralization until the calcium content is 0-20%; the method comprises the following steps: demineralizing bone fibers, then reacting with the demineralized bone fibers by using an anionic surfactant for 0.5-3 hours, cleaning, then reacting for 12-18 hours by using a nonionic surfactant, completing two-stage decellularization, cleaning, and freeze-drying for preservation. During clinical use, the demineralized bone fibers which are kept in a freeze-drying manner are mixed with hydrated liquid or mixed with one of sodium carboxymethyl cellulose, gelatin, poloxamer and chitosan to form an ointment substance which is used as a bone defect repairing material.

A water-in-oil emulsion such that the aqueous phase has at least one water-soluble active and the oil phase comprises a functional elastomer, an oil, and a non-ionic emulsifier, wherein the emulsion has translucency of 30 to 70, measured with UV Vis Spectroscopy across visible spectrum 400-700 nm.

The present invention relates to a composition comprising: (a) at least one cationic polymer; (b) at least one fatty acid; (c) at least one non-cellulose-based nonionic polysaccharide which is different from the (a) cationic polymer; (d) at least one oil; (e) at least one polyol; and (f) at least one optional surfactant, wherein the amount of the (f) optional surfactant(s) in the composition is less than 1% by weight, preferably less than 0.5% by weight, and more preferably less than 0.1% by weight, relative to the total weight of the composition. The composition according to the present invention is stable and capable of forming a film which has improved resistance to rubbing.

An aqueous antimicrobial coating composition contains (A) an emulsion polymer comprising, by weight based on the weight of the emulsion polymer, (al) from 0 to 10%of structural units of an acetoacetyl functional monomer; (a2) from 0 to 8%of structural units of a monomer containing at least one heterocyclic group selected from the group consisting of imidazole, benzotriazole, and benzimidazole; and (a3) structural units of an additional monoethylenically unsaturated nonionic monomer; provided that the total concentration of (al) structural units of the acetoacetyl functional monomer and (a2) structural units of the monomer containing at least one heterocyclic group is at least 0.1%; (B) a silver salt present in an amount to provide 15 to 1000 ppm of silver, by weight based on the weight of the coating composition; and (C) from 0.3%to 5%of a protease, by weight based on the coating composition weight.

The invention relates to a wetting composition comprising (a) from 20 to less than 50 wt % of one or more C10 to C14 alcohol, (b) 25 to 70 wt % of a surfactant selected from a non-ionic, cationic, anionic and amphoteric surfactant, and (c) from 5 to 50 wt % of a polar component comprising at least one selected from (i) water, and (ii) up to 25 wt % of a water-miscible C1-C3 organic solvent, to methods for using the wetting composition, and products and aqueous compositions containing the wetting composition

The present application provides a kind of aqueous inkjet ink, even if the printing substrate such as coated paper is difficult to absorb, can obtain the printout without the color mixing bleeding and white leakage caused by droplet aggregation, the droplet dot true circle is excellent, further, printing density and color reproduction are also good, and the stability of jetting is also good.Aqueous inkjet ink, containing: crosslinked polymer particles (A) containing pigment and surfactant (B), crosslinked polymer particles (A) include the crosslinking reaction of compound (A-1) with multiple functional groups reacting with carboxyl and / or carboxylate and non-crosslinked polymer (A-2), surfactant (B) contains polyoxyethylene alkyl ether compound (B-1) with a specific structure and non-ionic surfactant (B-2) with HLB value of 1-10, and the ratio of the content of compound (B-1) to the content of non-ionic surfactant (B-2) is specified.

The application belongs to the technical field of floatation reagent, and provides a microemulsion type coal floatation collector based on dynamic covalent bond and a preparation method and application thereof.The collector is composed of the following components: 20-40 parts of hydrocarbon oil collector, 8-20 parts of emulsifier, 22-60 parts of water, and 0.5-2 parts of alkali.The emulsifier of the microemulsion type coal floatation collector is composed of a conventional non-ionic surfactant and an anionic surfactant based on dynamic covalent bond, and has excellent emulsifying performance.The average droplet size of the prepared microemulsion is less than 100 nm, and can still be maintained at the nanometer level after being diluted by 1-100 times of water, and has a higher specific surface area compared with the conventional emulsion type collector.In the coal floatation process, the contact probability of the collector oil droplet and the coal particle can be significantly improved, the floatation effect is improved, and the consumption of the collector is reduced.

The present invention relates to an emulsifiable concentrate composition formulated for agricultural application, the composition comprising: A. one or more agrochemically active ingredients in an amount of at least 5 % w / w, based on the total composition, and B. a carrier comprising one or more solvents where the water solubility of the carrier is in the range of from 1.9 g / L to 90 g / L; and C. one or more non-ionic and / or anionic surfactants, and wherein at least one of the one or more agrochemically active ingredients has a water solubility of less than 20 mg / L, in particular of less than 10 mg / L.

The invention discloses gel for an intravaginal radiofrequency therapeutic apparatus, and relates to the technical field of intravaginal radiofrequency therapy. The gel for the radio frequency therapeutic instrument is prepared from the following raw materials in percentage by mass: 0.5 to 1.5 percent of nonionic cellulose ether gel matrix, 50 to 88 percent of humectant and 0.001 to 0.01 percent of citric acid, the balance is water; the nonionic cellulose ether gel matrix is hydroxyethyl cellulose; the weight-average molecular weight of the hydroxyethyl cellulose ranges from 720,000 Da to 13,000 Da; the humectant comprises propylene glycol and glycerol in a ratio of (10-18): (40-70); the pH value of the gel for the radio frequency therapeutic instrument is 3.8-6. The gel for the radio-frequency therapeutic instrument has stable physical and chemical stability in a weak acid vagina environment, keeps stable in a radio-frequency heating state, and is free of layering and precipitation, good in viscosity maintenance and stable in electrical property.