36 results about "Alkylphosphate" patented technology

The invention relates to potassium alkyl phosphate as well as a preparation method and application thereof, and the potassium alkyl phosphate is prepared by taking aminophosphonic acid and 1, 2-alkylene oxide as reaction raw materials. The alkyl phosphate salt provided by the invention contains more than two hydrophobic tail chains and hydrophilic head groups, so that the aggregation capacity of the alkyl phosphate salt in an aqueous solution is effectively improved, the alkyl phosphate salt is arranged more tightly in a fiber surface adsorption layer, and higher surface / interface activity is shown; meanwhile, the hydrophilic head group of the potassium phosphate carries negative charges and contains hydroxyl, intramolecular hydrogen bonds and intermolecular hydrogen bonds are easily formed, the hydration effect is good, and the electrostatic conduction efficiency is effectively improved. After the potassium alkyl phosphate provided by the invention acts on chemical fibers, especially polyester staple fibers, the fibers can be endowed with excellent antistatic property under the condition of lower dosage, and the pollution to the water environment is reduced while the cost of a fiber auxiliary agent is reduced.

The invention relates to an oiling agent for chemical fiber spinning and a preparation method and application of the oiling agent. The oiling agent comprises novel oligomeric potassium alkyl sulfate, a nonionic surfactant, an emulsifier, solvent oil and water. The emulsion formed by dissolving the novel oligomeric alkyl sulfate potassium salt oil agent in water has excellent stability, and does not have obvious phase separation phenomena such as sinking and floating after standing at room temperature for 56h. When the oiling agent for chemical fiber spinning disclosed by the invention is applied to the field of chemical fiber production, chemical fibers can be endowed with excellent antistatic property and smoothness, so that the spinnability of the chemical fibers is better; and the oiling agent belongs to a green phosphorus-free formula, so that the spinnability index of chemical fibers is guaranteed, and the pollution of discharged water to the environment is reduced.

The invention discloses a halogen-free alkyl phosphate oligomer organic flame retardant and a synthesis method, the halogen-free alkyl phosphate oligomer flame retardant (PNX) is a phosphate oligomer, is often used as an additive flame retardant of polyurethane foam, and has the advantages of no halogen, high phosphorus content, high flame retardant efficiency, low VOC (volatile organic compound) value and the like. The flame retardant is synthesized by the following method: firstly, pre-cooling phosphorus oxychloride, then slowly dropwise adding ethanol in a negative pressure state, and heating for reaction to obtain an ethyl dichlorophosphate intermediate; slowly dropwise adding the ethyl dichlorophosphate intermediate into one third of precooled ethylene glycol, stirring, heating and reacting for a period of time, continuously dropwise adding the rest ethyl dichlorophosphate, reacting for a period of time, and dropwise adding ethanol for blocking to obtain a PNX product. The method has the advantages of simple synthesis process, mild conditions, fast reaction, common and easily available raw materials, no use of a catalyst, no introduction of metal ions, and no need of post-treatment. The large-scale industrial production is easy to realize.

The invention discloses an imidazolyl lipid assembly as well as a preparation method and application thereof, and relates to the technical field of biomedical materials. The preparation method comprises the following steps: mixing diphenyl phosphate, alcohol and pyridine, and heating for reaction to obtain alkyl phosphate; mixing N, N-diethylethylenediamine, 5-imidazole formaldehyde and a solvent, carrying out a heating reaction in a protective atmosphere, then adding the alkyl phosphate, and continuing the heating reaction to obtain an imidazolyl lipid molecule; dissolving the imidazolyl lipid molecules in an organic solvent to obtain a mother solution; the imidazolyl lipid assembly is obtained from the mother liquor through a film hydration method. The imidazole-based lipid assembly constructed by the invention can utilize the imidazole group to destroy the normal structure of bacteria under the condition of no antibiotic load, and utilizes the catalytic action of the imidazole group to complete the destroy of a biological membrane matrix and an inflammation activation medium, so that the synergism of antibiosis and anti-inflammation is realized, and the imidazole-based lipid assembly has the effect of buffering local acidic pH.

DEPCT66 This invention addresses the problem of improving water repellency and protective properties. The generation of static electricity in synthetic fibers and the improvement of the stability of solutions of substances. The treatment of short fibers, the substance of the treatment of short fibers will have the following components (A), The following component (B), and the following component (C) are compounds. Esters of monohydric alcohols containing C12-22 hydrocarbons and fatty acids. Monovalent hydrocarbons with C12-22 group components (B) are at least one selectable type. Among the alkyl phosphate ester salts containing the C16-22 alkyl group and alkyl phosphate salts. Esters containing a C4-8 alkyl group (C) are of at least one selectable type from fatty acids. Containing C12-22 hydrocarbon groups and their salts. -----------------------------------------------------------

The invention relates to the field of flame retardants, and particularly discloses a multi-layer coated ceramic flame retardant as well as a preparation method and application thereof. The invention relates to a preparation method of a multilayer coated ceramic flame retardant, which comprises the following steps: (1) adding alkyl phosphate diethanolamine salt into water, and uniformly stirring to prepare a mixed solution; (2) adding wollastonite fibers into the mixed solution, and uniformly stirring to obtain a blended solution; (3) filtering, drying and grinding the blended solution to obtain mixed powder; and (4) adding the mixed powder into dipropylene glycol dimethyl ether, uniformly stirring, adding fatty alcohol-polyoxyethylene ether phosphate and boron phosphide, uniformly stirring, filtering, drying, and crushing to obtain the multilayer coated ceramic flame retardant. The multilayer coated ceramic flame retardant can be used for wire and cable materials, and has the advantages of good flame retardant property and high ceramic body strength after ceramization; in addition, the preparation method provided by the invention has the advantages that the flame retardant is easy to disperse and the flame retardant property is outstanding.

The present invention is a composition comprising a) an aqueous dispersion of polymer particles optionally functionalized with a phosphorus acid monomer and having a z-average particle size as measured using dynamic light scattering in the range of from 50 nm to 500 nm; b) a salt of iodic acid; c) a C8-C10-alkyl phosphate or sulfate; with the proviso that when the polymer particles are not functionalized with the phosphorus acid monomer, the composition further comprises d) a hydrotrope. The composition of the present invention provides a way of preserving a latex against microbial growth in the absence of a biocide.

This invention provides a polishing composition and a polishing method using the same, which can increase the polishing speed of silicon-containing materials, have a high selectivity ratio of silicon-containing materials to other materials (e.g., nitride materials), and maintain the stability of the composition. [Solution] The polishing composition has a surface modified with a silane coupling agent, has a positive surface potential, has an average secondary particle diameter of 45 nm or more and 100 nm or less, and has a silanol group density of 0.0 / nm 2 Larger than 3.0 particles / nm 2 The following abrasive particles, a surfactant which is an alkyl phosphate with 6 to 18 carbon atoms, and an aqueous dispersion medium are included.

The invention discloses a micromolecular oil-based gel breaker as well as a preparation method and application thereof, and belongs to the technical field of product oil pipeline maintenance. The micromolecular oil-based gel breaker is selected from one or two of the following effective components in parts by weight: 1-10 parts of triethanolamine, 1-10 parts of sodium persulfate, 1-10 parts of sodium hydrogen sulfate and 1-10 parts of sodium sulfite, and 80-100 parts of water is used as a solvent. Compared with the existing gel breaker, the small molecule oil-based gel breaker has the advantages that the gel breaking time is shortened by 30-50%, and the shortest time can reach 15 minutes; by using weak acid and weak base, the corrosion to the carbon steel pipeline is low; meanwhile, the gel breaker mainly aims at phosphate aluminum salt gel and alkyl phosphate gel left in the pipeline, depends on the acid-base effect and the oxidation-reduction effect to act respectively or achieve the chemical synergistic effect, the formula of the gel breaker can be selected according to actual requirements, and the pertinence is high; the gel breaker provided by the invention also has the advantages of excellent environmental friendliness and controllable cost.

The application provides a flame retardant, a flame-retardant nylon fabric, a preparation method and application thereof, and belongs to the technical field of flame retardants. The flame retardant comprises the following components: alkyl phosphate, sulfur / nitrogen-based compound, melamine and solvent; the alkyl phosphate is aliphatic or aromatic containing 1-18 carbon atoms; the ester group in the alkyl phosphate is a mono- or poly-ester containing 1-12 carbon atoms; the sulfur / nitrogen-based compound is a compound containing sulfonic acid group and amino group simultaneously. The flame retardant prepared by the application is used for impregnation treatment of nylon fabric. With the help of phosphate groups, sulfonic acid groups and amino groups in the flame retardant, in the combustion process, a non-volatile phosphoric acid layer is generated to cover the surface of the fabric to isolate oxygen, and a large amount of non-combustible gas is generated to reduce the oxygen concentration, thereby hindering the combustion of the fabric. The prepared flame-retardant nylon fabric has a limiting oxygen index of 35.1-42.4%, reaches the non-combustible standard, has excellent flame-retardant performance, and the melt dripping phenomenon is obviously improved.

The application discloses an aluminum nitride powder and a preparation method thereof, relates to the technical field of ceramics, and solves the technical problem of poor dispersibility, low purity and low activity of AlN powder prepared by an existing method; the application comprises the following steps: adding Al(OH)3, biochar, a monoalkyl phosphate and a phosphate compound into a solvent according to a mass ratio of (70-90):(5-20):(0.1-3):(0.1-5) and uniformly dispersing the mixture by ultrasonic dispersion to form a mixed slurry; the mixed slurry is dried by spray drying to prepare a precursor powder; the precursor powder is pre-burned at 600-900 DEG C under a nitrogen atmosphere, and then high-temperature reaction is carried out by increasing the temperature to 1400-1700 DEG C to obtain the aluminum nitride powder; the aluminum nitride powder prepared by the method has the characteristics of high dispersibility, low oxygen content, low carbon residue and high reaction activity.

An oil-in-water emulsion composition comprising: (A) an inorganic powder treated with a monoalkyl phosphate ester; (B) polyoxyethylene hydrogenated castor oil; and (C) an acrylamide thickener.

The invention discloses diesel-based gel as well as a preparation method and application thereof, and belongs to the technical field of oilfield chemical agent preparation. The diesel oil-based gel is prepared from the following components in parts by weight: 90 to 110 parts of diesel oil, 1.8 to 2.2 parts of alkyl phosphate, 0.12 to 0.15 part of sodium metaaluminate and 0.01 to 0.04 part of soluble ferric iron salt. According to the preparation method, sodium metaaluminate is taken as a cross-linking agent, and soluble ferric iron salt is taken as a cross-linking promoting agent, so that a synergistic cross-linking effect between aluminum ions and ferric ions is formed, the gelling speed is remarkably increased, and the gelling performance, the mechanical strength and the stability of gel are further improved; meanwhile, the optimal mass ratio of sodium metaaluminate to alkyl phosphate is determined to be 1: 15.2, and the optimal addition amount of ferric trichloride is 1.4 wt% of the mass of alkyl phosphate, so that the brittleness problem under a high crosslinking ratio and the problem of insufficient elasticity under a low crosslinking ratio are effectively solved, and the gel has good strength and hanging performance.

A waterborne external release agent for producing ligno-cellulose composites such as oriented strand board (OSB), particle board (PB) and medium density fiberboard (MDF), which employ isocyanate-based adhesives such as pMDI is provided. The release agent as a formulation includes effective amounts of at least one tertiary ethoxylated fatty amine, effective amounts at least one of an acidic alkyl phosphate ester and an acidic phosphate ester ethoxylate, or combinations thereof, with the balance water. The formulation can also include a defoamer and a nonionic surfactant. The formulation can be applied to mats and / or metal platens when making the ligno-cellulosic composites, wherein the effective amounts of the at least one tertiary ethoxylated fatty amine and the at least one of an acidic alkyl phosphate ester and an acidic phosphate ester ethoxylate, or combinations thereof provide improved release properties, corrosion inhibition for metal surfaces, and minimum film build up when making ligno-cellulosic composites.

The invention discloses an epoxy asphalt reaction type phosphorus-silicon flame retardant, epoxy asphalt concrete and a preparation method of the epoxy asphalt reaction type phosphorus-silicon flame retardant. The epoxy asphalt reactive phosphorus-silicon flame retardant contains a diepoxy group and a phosphorus-silicon synergistic skeleton, so that the limit oxygen index of epoxy asphalt can be greatly improved, meanwhile, good mechanical properties are kept, and the migration rate of the flame retardant is reduced. Compared with the existing reaction type phosphorus-silicon flame retardant, the phosphorus-silicon flame retardant has better flame retardant property, is used for preparing epoxy asphalt concrete, not only improves the flame retardant property, but also can further improve the mechanical property and pavement performance of the asphalt concrete, and is suitable for traffic infrastructure, building municipal engineering, special industrial facilities and other key scenes. According to the method, the silane coupling agent hydrolysate and the alkyl phosphate are subjected to phosphorylation reaction, then epoxy chloropropane is used for blocking, the preparation process is simple, no halogen or heavy metal participates in the preparation process, and the method conforms to European Union REACH regulations and domestic low-toxicity and low-harm building material standards.

The application discloses an epoxy asphalt reactive phosphorus-silicon flame retardant, an epoxy asphalt concrete and a preparation method thereof. The epoxy asphalt reactive phosphorus-silicon flame retardant contains a double epoxy group and a phosphorus-silicon synergistic skeleton, can greatly improve the limiting oxygen index of the epoxy asphalt, maintains good mechanical properties, and reduces the migration rate of the flame retardant. Compared with existing reactive phosphorus-silicon flame retardants, the epoxy asphalt reactive phosphorus-silicon flame retardant has better flame retardant performance, is used for preparing the epoxy asphalt concrete, improves the flame retardant performance of the epoxy asphalt concrete, and further improves the mechanical properties and road performance of the asphalt concrete, and is suitable for key scenes such as traffic infrastructure, building municipal engineering and special industrial facilities. The epoxy asphalt reactive phosphorus-silicon flame retardant is prepared through a phosphorylation reaction of a silane coupling agent hydrolysis product and an alkyl phosphate, and then end-capped by epoxy chloropropane, the preparation process is simple, no halogen and heavy metal are involved, and the epoxy asphalt reactive phosphorus-silicon flame retardant meets the EU REACH regulation and the domestic 'low toxicity and low harm' building material standard.

Title: Wax-in-water emulsion with a non-polar, non-volatile hydrocarbon oil, a C12-C20 monoalkyl phosphate neutralized by a base, a fatty alcohol, a pullulan, a latex, and a pigment. This application relates to a skincare and / or makeup composition for keratinous materials, such as skin, particularly the eye contour, eyelash contour, and eyebrow contour; keratinous fibers such as eyelashes and eyebrows, in the form of an emulsion, particularly wax-in-water, comprising, preferably in a physiologically acceptable medium: a) an aqueous phase, and b) at least one oily phase dispersed in the aqueous phase, comprising i) at least one wax; and ii) at least one non-polar, non-volatile hydrocarbon oil; and iii) at least one fatty alcohol; etc.; at least one C12-C20 monoalkyl phosphate, partially or totally neutralized by a base; and d) at least one pullulan.ete) film-forming polymer particles suspended in the aqueous phase; etf) at least one pigment;

The water-in-oil emulsion cosmetic of the present invention contains (A) an amphiphilic substance and (B) a hydrophobically treated particulate metal oxide formed by hydrophobicating a monoalkyl phosphate ester. The (A) amphiphilic substance contains one or more epoxide derivatives selected from the group consisting of epoxide derivatives represented by the following general formulas (1) and (2). (In the general formula (1), AO represents an oxoalkylene group with 3 to 4 carbon atoms, EO represents an oxovinyl group, R...) 1 and R 2 Each independently represents a hydrocarbon group or hydrogen atom with 1 to 4 carbon atoms, where m and n are integers satisfying 1 ≤ m ≤ 70 and 1 ≤ n ≤ 70. (In the general formula (2), R 3 R 4 and R 5 Each of the elements is independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, A is an alkylene group having 2 to 4 carbon atoms, and p and q are independently integers from 1 to 50. The polymer represented by the general formula (2) has a number-average molecular weight of 10,000 or less and an IOB value of 0.4 to 1.8.

An aqueous composition includes a binder; and a C4 to C15 alkyl phosphate ester having a mono-ester content of 85% by weight or more of the total alkyl phosphate ester, and a weight percentage (wt%) of the binder in a range of 0.1 to 2.0 wt%. A method includes applying an aqueous composition to a substrate, the aqueous composition including a binder and a C4 to C15 alkyl phosphate ester having a mono-ester content of 85% by weight or more of the total alkyl phosphate ester; and curing the aqueous composition, thereby forming a cured coating.

The application relates to the technical field of filtering media, in particular to an acid-resistant nanofiltration membrane and a preparation method thereof, which comprises the following steps in sequence: S1, providing a water-phase solution and an oil-phase solution; the water-phase solution is an aqueous solution in which polyamine monomers are dissolved; the oil-phase solution is an organic solution in which isocyanate monomers and alkyl phosphate salt compounds serving as reaction accelerators are dispersed; S2, contacting the water-phase solution and the oil-phase solution on a support base film to generate an interface polymerization reaction so as to form a polyurea active separation layer on the surface of the support base film; and S3, heat treatment, to obtain the acid-resistant nanofiltration membrane. A small amount of alkyl phosphate salt compounds is added in the oil-phase solution as the reaction accelerators, which can promote the formation of a polyurea active separation layer with a more optimal structure, and the water flux, acid permeation rate and metal ion interception rate of the nanofiltration membrane are simultaneously improved.

The invention belongs to the technical field of lubricating oil agents, and particularly relates to a seamless textile machinery lubricating oil agent and a preparation method thereof. According to the lubricating oil agent for the seamless textile machinery, the alkyl phosphate dinonyl diphenylamine salt is used as an anti-wear agent, so that the lubricating oil agent has the functions of an extreme pressure agent and an anti-wear agent and has good anti-wear performance. According to the anti-wear agent, the hydrophobicity is increased by introducing long-chain hydrophobic alkyl, and the molecules of the anti-wear agent are endowed with extremely good oil solubility by dioleoyl and nonyl diphenylamine, so that the anti-wear agent is not easy to separate out in a white oil system and has relatively high compatibility in the system. Meanwhile, the product is endowed with excellent extreme pressure performance and anti-friction performance, and the abrasion of a knitting needle in the circulation process is greatly reduced. After the lubricating property is improved, the friction between knitting needles is greatly reduced, and the mechanical temperature rise is reduced. The excellent lubricating effect also reduces the generation of free iron ions, slows down the aging of the oil product, and enables the oil product to have stable performance in the circulation process.

The invention belongs to the technical field of halogen-free flame-retardant TPU (thermoplastic polyurethane), and particularly discloses a halogen-free flame-retardant TPU elastomer composition for matte wires and cables, which is prepared from the following raw materials in percentage by weight: 35-84.9% of TPU, 0.1-0.5% of antioxidant and 0.1-0.5% of lubricant. 10 to 40% of EVA (ethylene vinyl acetate); 5-45% of a phosphorus-nitrogen composite flame retardant system; 0.1-5% of an auxiliary agent; the phosphorus-nitrogen composite flame-retardant system comprises alkyl phosphate metal salt, a melamine derivative and piperazine pyrophosphate. The halogen-free flame-retardant TPU elastomer composition for the matte wires and cables has the characteristics of matte appearance effect, high flame retardance, softness, wear resistance, oil resistance and the like, and can be applied to the field of consumer electronics and cables.

One embodiment of the present invention is a method for producing a 225Ac solution, the method comprising a step (I) for purifying an aqueous solution (1) containing 225Ac and a carrier-derived compound (L). The carrier-derived compound (L) is a compound derived from a solid-phase carrier that carries alkyl phosphoric acid. In step (I), solid-phase extraction or liquid-liquid extraction is performed.

The present disclosure provides a polishing composition containing: abrasive grains having surfaces modified with a silane coupling agent and having a positive surface potential, and having an average secondary particle size of 45 nm or more and 100 nm or less, and a silanol group density of more than 0.0 / nm2 and 3.0 / nm2 or less; a surfactant which is an alkyl phosphate having 6 to 18 carbon atoms; and an aqueous dispersing medium.

This invention discloses a halogen-free flame-retardant thermoplastic elastomer composition and its preparation method. By mass ratio, the raw material composition of the halogen-free flame-retardant thermoplastic elastomer composition includes: SEBS 10%-45%, white oil 5%-40%, polyolefin 5%-40%, halogen-free flame-retardant system 8%-40%, and other additives 0.5%-10%. Based on the total mass of the halogen-free flame-retardant system, the composition of the halogen-free flame-retardant system includes: dialkyl phosphinate 20%-70%, melamine derivative 20%-50%, and char-forming component 10%-50%. Based on the total mass of the char-forming component, the composition of the char-forming component includes: EVA with a VA content greater than 30% 30% 30% VA, alkyl phosphate metal salt 20%-70%, and piperazine pyrophosphate 0-50%. This invention utilizes the synergistic effect of high VA content EVA and alkyl phosphate metal salt to avoid the risk of stress cracking in halogen-free flame-retardant TPE materials.

The present invention provides a 2-cyanoacrylate adhesive composition that can suppress the decrease in curing rate for aluminum during storage. [Solution] A 2-cyanoacrylate adhesive composition having a content of trialkyl phosphate with an alkyl group having 1 to 4 carbon atoms in the alkyl group of 700 ppm by mass or less.

The application provides a low-corrosion alkaline photoresist stripping liquid and a preparation method and application thereof, the low-corrosion alkaline photoresist stripping liquid comprises the following components in proportion by weight: a metal protective agent 0.1-5 parts; an organic alkali 5-25 parts; a polar solvent 10-40 parts; ultrapure water 15-45 parts; the metal protective agent comprises water-soluble carbon dots and alkyl phosphate ester. The application further discloses a preparation method of the low-corrosion alkaline photoresist stripping liquid: first, dissolving the water-soluble carbon dots in the ultrapure water, then adding the alkyl phosphate ester and the polar solvent, stirring at room temperature until the solution is clear, adding the organic alkali and stirring uniformly to obtain the low-corrosion alkaline photoresist stripping liquid. The low-corrosion alkaline photoresist stripping liquid has almost no corrosion to copper and its alloy, and has a good application prospect and large-scale promotion potential in the field of display panel photoresist stripping.

A cosmetic composition in the form of an oil-in-water emulsion comprising at least one oil phase dispersed in an aqueous phase and comprising: a) at least one emulsifier selected from alkyl phosphate compounds; b) at least one polyoxyalkylated silicone emulsifier; c) at least one aqueous thickener selected from sulfonic-membered polymers; and d) at least one pigment surface-treated with at least one polyoxyalkylated silicone compound. Use of the above composition for skin makeup, in particular as a foundation.

The invention relates to the technical field of filter media, in particular to an acid-resistant nanofiltration membrane and a preparation method thereof.The preparation method sequentially comprises the following steps that S1, a water phase solution and an oil phase solution are provided; the aqueous phase solution is an aqueous solution in which a polyamine monomer is dissolved; the oil phase solution is an organic solution in which an isocyanate monomer and an alkyl phosphate salt compound serving as a reaction accelerator are dispersed; s2, enabling the water-phase solution and the oil-phase solution to be in contact on a supporting base membrane to generate interfacial polymerization reaction, so as to form a polyurea active separation layer on the surface of the supporting base membrane; s3, performing heat treatment to obtain the strong acid-resistant nanofiltration membrane. According to the invention, a small amount of alkyl phosphate salt compound is added into the oil-phase solution as a reaction accelerator, so that the formation of a polyurea active separation layer with a better structure can be promoted, and the water flux, the acid transmittance and the metal ion rejection rate of the nanofiltration membrane are synchronously improved.

The invention relates to the technical field of rare metals, and provides a preparation method of high-purity metal hafnium, after hafnium-containing waste is dissolved, the high-purity metal hafnium is obtained through extraction, washing, reverse extraction, precipitation and calcination, and an organic phase reagent adopted for extraction comprises the following components in parts by weight: 20-30 parts of tributyl phosphate, 6-8 parts of a synergist and 200-300 parts of a diluent. The synergist comprises one or two of dodecyl phosphate, hexadecyl phosphate and octadecyl phosphate. According to the technical scheme, the problem of low purity of metal hafnium in related technologies is solved.