13 results about "Polyoxyethylene lauryl ether" patented technology

The invention provides a preparation method of printing ink and a product thereof. According to the method, 2-(2-vinyloxyethoxy) ethyl acrylate and polyoxyethylene lauryl ether are adopted to improve the leakage resistance of the bottom-covering ink; the steady-state surface tension of the ink is set to be smaller than the surface tension of the ink holding part, and the ink use efficiency is improved by increasing the difference value between the two surfaces; the surface tension of the bottom layer ink is larger than that of the surface layer ink, so that the spreading capacity of the surface layer ink during superposition printing is improved; through deoxidation treatment, the jet stability of the ink is improved; 1, 2, 2, 6, 6-pentamethyl-4-piperidyl methacrylate is adopted, so that the storage stability of the ink is improved; surface layer ink and a carbonyl-containing printing medium are isolated through bottom covering ink, black scales are peeled off through N-cyclohexyl-2-pyrrolidone, and the light resistance of surface layer ink printed matter is improved.

The invention discloses a bacterial endotoxin detection method of lipid nanoparticles and a demulsifier, and the detection method comprises the following steps: firstly preparing the demulsifier comprising polyoxyethylene lauryl ether, dimethyl sulfoxide and ethanol, then demulsifying a sample containing the lipid nanoparticles by using the demulsifier, and finally diluting the demulsified sample by using a diluent to obtain the bacterial endotoxin detection product. And determining the content of bacterial endotoxin. According to the invention, the solution containing polyoxyethylene lauryl ether, dimethyl sulfoxide and ethanol is used as the demulsifier of the lipid nanoparticles, the demulsification effect is good, the intracellular toxin wrapped in the demulsifier can be fully released, and the demulsifier does not influence the detection of the intracellular toxin; after the diluent is diluted, when the toxin in the cells is determined, the determination result meets the methodological requirements, and the accuracy of the detection result is ensured; in addition, the method provided by the invention is suitable for detecting different types of lipid nanoparticles.

The invention belongs to the technical field of imbibition oil extraction, and provides a water-based nano-emulsion imbibition oil displacement agent and a preparation method thereof. According to the preparation method of the water-based nano-emulsion imbibition oil displacement agent, polyoxyethylene lauryl ether, sorbitan monopalmitate, mahogany petroleum sulfonate, an oily solvent, nano silicon oxide and water are uniformly mixed through a phase transition component method to prepare the water-based nano-emulsion imbibition oil displacement agent. The preparation method of the water-based nano-emulsion imbibition oil-displacing agent can effectively improve the crude oil recovery rate of unconventional oil reservoirs.

The invention discloses a freeze-drying protective agent for a quick one-step qPCR reagent, a freeze-drying process and application of the freeze-drying protective agent, and belongs to the technical field of molecular diagnosis. The technical problems to be solved are as follows: 1, the CT value is shifted backwards, the fluorescence signal value is reduced, and the activity and detection performance are degraded after the freeze-drying process of the existing product; 2, due to the adoption of high-content glycerol, a freeze-dried product is poor in form, easy to absorb moisture and poor in inter-batch and intra-batch stability; thirdly, a part of the protective agent inhibits the PCR reaction, and the detection performance is influenced; and 4, the conventional detection time is shortened from more than 60 minutes to 30 minutes. According to the key point of the technical scheme, the freeze-drying protective agent for the rapid one-step method qPCR reagent is provided, and the freeze-drying protective agent is prepared from the following components in parts by weight: 0.8 to 1.5 parts of polyoxyethylene lauryl ether, 2.5 to 20 parts of trehalose, 6 to 7 parts of mannitol, 0.4 to 1 part of bovine serum albumin and 0.3 to 1 part of GP32 protein.

The application belongs to the technical field of surface treatment of magnetic materials, and particularly relates to a nitric acid-free pickling solution for neodymium iron boron materials and a preparation method and application thereof, which comprises square acid, pararosolic acid, ethylenediaminetetraacetic acid, sodium polyoxyethylene lauryl ether sulfate, decyl polyoxyethylene lauryl ammonium bromide and water. The nitric acid-free pickling solution for neodymium iron boron materials provided by the application does not contain strong-smoke acid and phosphorus components, is friendly to the environment, will not produce corrosive acid mist in production and use, and is safe to operate under mild conditions. The operation process is simple, has no obvious corrosion or discoloration on the metal substrate, can effectively remove oxides, grease and impurities on the surface of the neodymium iron boron material, and maintains the quality and performance of the material.

The invention discloses an adsorptive carrier attachment separating agent for sewage treatment as well as a preparation method and application thereof, and belongs to the field of a sewage treatment process using an adsorptive carrier or solid waste treatment for adsorptive carrier treatment. The cleaning agent is prepared from the following raw materials in percentage by mass: 3.5 to 6.5 percent of polyacrylic acid, 13.2 to 17.4 percent of citric acid, 1.5 to 2.5 percent of ethylenediamine tetraacetic acid, 3.5 to 5.0 percent of polyoxyethylene lauryl ether sodium sulfate, 10.5 to 14.5 percent of N, N, N-trimethylene triphosphonic acid-ethylenediamine-N-hydroxypropanesulfonic acid, 4.0 to 9.7 percent of zinc chloride and 2.5 to 6.5 percent of fatty alcohol-polyoxyethylene ether. And the balance of solvent. The problem that an outer layer attachment is difficult to separate from an adsorption carrier in a recycling regeneration mode of biochemical sludge formed by the adsorption carrier is solved. According to the invention, green organic degradable components are adopted to construct the separating agent, and the separated liquid has corresponding biodegradability after cleaning, so that the biochemical treatment performance of various types of sewage is improved.

The application provides a hemostatic liquid auxiliary material and preparation and application thereof. The components of the hemostatic liquid dressing include phosphatidylcholine, polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer (Soluplus), polyoxyethylene lauryl ether, polyglycerol ester and an organic solvent, the weight ratio of the phosphatidylcholine, the polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer, the polyoxyethylene lauryl ether and the polyglycerol ester in the hemostatic liquid dressing is 35:(5-20):(5-20):(10-30), and the weight percentage of the organic solvent is 10%-20%. Compared with the traditional hemostatic dressing, the application does not rely on the self blood coagulation, and the physical and chemical reactions of the components are synergistically caused with the blood, so that the rapid in-situ gelation at the bleeding site is promoted, the hemostatic effect is obvious, the liquid dressing has the advantages of simple process, low cost and clear effect, and has a good market application prospect.

The invention discloses a composite protective material for a GH2132 silver-plated fastener, the composite protective material comprises a coordination agent and a sealing agent, the coordination agent comprises the following components in percentage by weight: 1.5%-3.0% of benzotriazole, 25%-40% of isopropanol, 0.08%-0.18% of sodium dodecyl sulfate, 0.3%-0.8% of sodium citrate, 0.8%-2.0% of a boric acid-borax buffer agent and the balance of deionized water; the sealing agent is prepared from the following components in percentage by weight: 6 percent to 10 percent of fatty alcohol ether, 5 percent to 9 percent of barium petroleum sulfonate, 5 percent to 15 percent of N-octadecylamine oleoyl sarcosinate, 0.5 percent to 2 percent of polyoxyethylene lauryl ether, 0.1 percent to 0.5 percent of benzotriazole sodium salt, 0.2 percent to 0.8 percent of sodium gluconate and the balance of deionized water. The protection method of the composite protection material comprises the following steps that S1, raw materials are prepared; s2, performing pretreatment; s3, carrying out coordination treatment; s4, primary water washing; s5, carrying out sealing treatment; s6, secondary water washing; and S7, drying treatment. Through double treatment of coordination and sealing, the neutral salt mist resistance time of the GH2132 silver-plated fastener is prolonged from 48 hours to 192 hours or above.

The invention belongs to the technical field of coatings, and discloses a high-temperature-resistant corrosion-resistant environment-friendly coating as well as a preparation method and application thereof. The coating comprises the following components in percentage by mass: 32%-38% of sodium silicate, 1.2%-1.8% of epoxy modified phenolic resin, 1.8%-2.3% of polyethylene glycol, 36%-41% of filler, 0.12%-0.18% of sodium polyacrylate, 0.12%-0.18% of hydroxymethyl cellulose, 0.12%-0.18% of polyoxyethylene lauryl ether, 2%-4% of a composite silane coupling agent and 32%-36% of deionized water. The filler is a composite modified filler, and after being treated by a specific composite modifier, the filler has a synergistic effect with the epoxy modified phenolic resin and the composite silane coupling agent, so that the compatibility, compactness and interface bonding force of the coating are remarkably improved. The coating has excellent high temperature resistance, corrosion resistance, thermal shock resistance and adhesive force, the preparation process is stable and controllable, and a coating prepared from the coating can stably play a protective role in a severe environment for a long time.

The invention relates to the technical field of coatings, and provides a wear-resistant and resistance-reducing coating for a pipe bracket and a preparation method thereof.The wear-resistant and resistance-reducing coating for the pipe bracket comprises a component A and a component B, and the mass ratio of the component A to the component B is (3-6): 1; the component A is prepared from the following raw materials in parts by weight: 100 parts of epoxy resin, 35 to 45 parts of diluent, 3 to 5 parts of polytetrafluoroethylene micro powder, 6 to 10 parts of modified zinc borate, 0.2 to 0.5 part of flatting agent and 0.2 to 0.5 part of defoaming agent; wherein the modified zinc borate is obtained by modifying zinc borate modified by polyoxyethylene lauryl ether carboxylic acid with epoxy group silane; the modified zinc borate is prepared from the following raw materials in parts by weight: 50 to 60 parts of zinc nitrate, 60 to 70 parts of borax, 1 to 2 parts of polyoxyethylene lauryl ether carboxylic acid and 0.5 to 0.8 part of epoxy group silane; and the component B is polyamide resin. According to the technical scheme, the problems of insufficient wear resistance and resistance reduction of the coating for the pipe bracket in the related technology are solved.

The invention discloses a high-transparency antistatic polyethylene film master batch and a preparation method thereof. The master batch comprises the following components in parts by mass: 50-70 parts of a low-density polyethylene carrier, 15-25 parts of a composite antistatic agent, 5-10 parts of a compatilizer, 3-8 parts of a dispersing agent, 0.5-2 parts of an antioxidant, 1-3 parts of a lubricant and 2-5 parts of a nano reinforcing agent, the composite antistatic agent is formed by compounding glycerol monostearate and polyoxyethylene lauryl ether according to a specific proportion. The preparation method comprises the steps of raw material pretreatment, carrier pretreatment, primary mixing, melt extrusion, underwater pelletizing, centrifugal drying and screening packaging. According to the invention, the LDPE carrier is adopted to ensure perfect compatibility with a matrix, and through the synergistic effect of the composite antistatic agent and the nano reinforcing agent, the problems of poor compatibility, insufficient antistatic durability, influence on transparency and the like of the traditional master batch are solved. The film with high light transmittance and small haze can be prepared by adding 5% of the master batch into a polyethylene base material, and the film is durable and stable in antistatic effect and suitable for the field of high-end packaging.

The invention discloses reinforced universal type degreased powder and a preparation process thereof, the reinforced universal type degreased powder comprises a basic carrier material and a functional component material, the basic carrier material comprises anhydrous sodium sulfate and sodium bicarbonate, and the functional component material comprises a surface active material, an enzymolysis degreasing material, an alkaline slow-release material, an oxidation carbon deposition treatment material and an auxiliary additive, the surface active material is prepared from rhamnolipid, APG (alkyl polyglucoside), PFBS (perfluorooctane sulfonate), polyether modified trisiloxane, cocamidopropyl betaine and polyoxyethylene lauryl ether. The whole degreasing powder can achieve targeted cracking of the pain point that stubborn oil stains are difficult to decompose, raw materials for sensitive characteristics of aluminum alloy / titanium alloy are optimized, and the degreasing powder which is thorough in stubborn oil stain degreasing, free of damage to sensitive materials, stable in long-term storage, environmentally friendly and compliant is achieved; through the preparation process of double-enzyme coating, silicon-based cooperation and double-cavity isolation, an efficient, safe and stable brand-new solution is provided for degreasing of the metal precision component.

The invention relates to the technical field of scribing cleaning fluid, in particular to efficient and stable semiconductor wafer scribing cleaning fluid and a preparation method thereof.The efficient and stable semiconductor wafer scribing cleaning fluid is prepared from, by weight, 1-5% of polyethylene glycol, 1-5% of sodium hydroxide, 1-5% of sodium hydroxide, 1-5% of sodium hydroxide and the balance water. 8 to 10% of polyoxyethylene lauryl ether; 1.5 to 2% of a nonionic surfactant; 0.5-1% of a pH regulator; 0.05 to 0.08% of a preservative; and the balance of ultrapure water.