97 results about "Cetrimonium chloride" patented technology

The invention discloses full-bloom flower-shaped gold nanoparticle and a preparation method thereof. The preparation method comprises the following steps of: by adopting hexadecyl trimethyl ammonium chloride (CTAC) as a surfactant, reducing chloroauric acid (HAuCl4) by utilizing ascorbic acid (AA); and preparing the full-bloom shaped flower-form gold nanoparticle by one step without seeds by controlling the concentration of the hexadecyl trimethyl ammonium chloride (CTAC). Characterization results of a scanning electron microscope show that the prepared gold nanoparticle is shaped like a full-bloom flower; moreover, the product is uniform and the mono-dispersion is good; the ultraviolet-visible absorption spectrum shows that the surface plasmon resonance peak of the flower-form gold nanoparticle is in a near-infrared area; technical characterization results of surface enhanced raman scattering prove that the flower-form nanoparticle has better surface-enhanced performances.

The invention discloses a polishing solution which comprises fluorine salt, a hydrofluoric acid, an inorganic strong acid and an additive, wherein the fluoride salt is one or two of ammonium fluoride and ammonium bifluoride; the inorganic strong acid is at least one of hydrochloric acid, nitric acid and sulfuric acid; the additive is a mixture of glycerol, ethylene glycol and cetyltrimethyl ammonium chloride; the invention further discloses a preparation process of the polishing solution and an application of the polishing solution for polishing optical microcrystal glass parts mainly comprising Li-Al-Si. According to the invention, the problem that the traditional polishing methods cannot realize the chemical polishing of complex structural parts is solved effectively, the removal rate of polishing can be controlled strictly through the polishing time, and the polishing is controllable.

The invention provides a cationic wax emulsion for leather manufacturing procedure and manufacturing method thereof. The wax emulsion is preprared by using wax, simethicone, cetanol as oily materials, via dispersing emulsification of two lipophilic emulsifier compound systems of fatty alcohol polyoxyethylene (3) ether and Span 60, and two lipophilic emulsifier compound systems of fatty alcohol polyoxyethylene (25) ether and Tween 60, stearic acid and hexaalkyl trimethyl ammonium chloride cationic surface active agent, then via dispersing emulsification of de-ionized water and reducing temperature. The invention is good in stability, excellent in emulsification, obvious in performance characteristics, which enhances wet and flexibility of leather; when the invention is to improve leather touch feel, addition of 0.8% to 1.5% of materials according weight percentage may bestow rich touch feel of leather.

The invention discloses a multi-metal one-dimensional nano material, a preparation method and a catalyst, and the method comprises the following steps: adding soluble metal salt and hexadecyl trimethyl ammonium chloride into oleylamine, stirring for 5-30 minutes at room temperature, and carrying out ultrasonic treatment for 5-30 minutes; then adding molybdenum hexacarbonyl, reacting at 180 DEG C for 6-12 hours, finally naturally cooling to room temperature, washing with ethanol and n-hexane, and carrying out centrifugal treatment so as to obtain the multi-metal one-dimensional nano material, wherein the soluble metal salt comprises platinum acetylacetonate, and further comprises at least two of rhodium acetylacetonate, cobalt acetylacetonate and nickel acetylacetonate.

The invention relates to a hair conditioner and a preparation method thereof. The hair conditioner comprises more than twenty raw material components such as water, an oil-soluble thickening agent, glycerol, behenyl trimethyl ammonium chloride, cetrimonium chloride, isopropyl palmitate and an emulsifier. A plurality of natural components including a yeast fermentation product filtrate, a pomelo extract, a radix ginseng extract, a rhizoma anemarrhenae extract, a radix angelicae sinensis extract, a cacumen platycladi extract, a radix polygoni multiflori extract, hydrolyzed collagen and jasmine oil are added into the hair conditioner, and the hair conditioner is compounded with a silicone oil conditioner; the hair of a user becomes fresh and non-oily after the finally prepared hair conditioner is used, and the hair conditioner is suitable for people with different hair qualities including the oily hair quality. The hair conditioner can obviously enhance the hair toughness and the hair smoothness, make the wet / dry hair more easily combed, enhance the moisture retention of the hair and well gather the washed hair tails to effectively alleviate the dryness and frizzing problems of the hair.

The invention relates to a washing-free hair spray. The washing-free hair spray is characterized by being prepared from the following components in percentage by weight: 65 to 85 percent of propyl butane, 10 to 25 percent of absolute ethanol, 10 to 20 percent of corn starch, 0.1 to 0.2 percent of cetrimonium chloride amine and 0.5 to 1.2 percent of perfume type essence. A preparation method of thewashing-free hair spray comprises the following steps: adding the absolute ethanol in a burdening kettle, and stirring at a speed of 500r / min; then respectively adding and dissolving the cetrimoniumchloride amine and the perfume type essence; adding the corn starch in the burdening kettle, and then stirring for 25 minutes; finally sealing in a white plastic barrel. The washing-free hair spray disclosed by the invention is capable of refreshing hairs immediately, fluffy hairs can feel clean and refresh, and the vitality of the hairs can be recovered; meanwhile, the problems of water conservation and environment protection are solved.

The invention discloses a method for preparing insulation board with methyltrimethoxysilane as a silicon source. The method comprises the steps of: first, weighing 8-10.5 parts of methyltrimethoxysilane, 2-4.5 parts of hexadecyl trimethyl ammonium chloride, 1-3.5 parts of acetic acid, 1-4.5 parts of urea and 1-3.5 parts of water; second, evenly stirring the raw materials, and then putting the materials together with glass fiber 5.7-30.8 wt% of the materials in a sealed container; and last controlling temperature of the sealing container at the 50-70 DEG C, drying under normal pressure for 24-30h, and then removing the dried insulation board from the container, soaking the insulation board in anhydrous methanol for 24-30 h, and air-drying to obtain a finished product. The insulation board prepared by the method provided by the invention can maintain good performance of silica aerogel and enhance mechanical properties of the silica aerogel; the insulation board has void ratio higher than 90%, pore size only tens of nanometers, pore volume no less than 2.4ml / g, thermal conductivity coefficient of 0.015-0.030w / m.K, super hydrophobicity, and fireproof grade reaching A1.

The invention discloses a silky golden silk shampoo. The formula of the silky golden silk shampoo comprises water, sodium laureth sulfate, sodium lauryl sulfate, carbomer, polyquaternium, betaine, olive oil glycerides, piroctone olamine, coconut oil amide, silk powder, silk extract, dimethiconol, polydimethylsiloxane, cetrimonium chloride, glycol distearate, disodium EDTA, methylisothiazolinone, an essence, citric acid and sodium chloride. The invention also provides a production technology of the silky golden silk shampoo. The silk powder and the silk extract are added, a most mild surfactant and a low irritating hair conditioner are used as main raw materials, a plant extracted moisturizing component is healthy and environmentally-friendly, and a unique antidandruff and antipruritic component adopts the most effective piroctone olamine as an antipruritic fungicide in order to effectively inhibit the growth of scalp bacteria and control the production of dandruff.

The invention discloses a preparation method and application of an ultra-thin multi-metal nanosheet piling assembly material. The preparation method includes the following steps that 1, hexadecyl trimethyl ammonium chloride, polyvinylpyrrolidone, palladium precursor salt, platinum precursor salt, selectable metal precursor salt, ferric trichloride and tungsten hexacarboxyl are dissolved with ethylalcohol, stirred and mixed uniformly; 2, the temperature of the material obtained in the first step is increased to 175-185 DEG C from room temperature, a constant-temperature reaction is conducted for 30-90 min, and then cooling is conducted until room temperature is reached; 3, the material obtained in the second step is sufficiently washed with ethyl alcohol, and then the ultra-thin multi-metal nanosheet piling assembly material is obtained. Through the one-step method, the ultra-thin multi-metal nanosheet piling assembly material is prepared and can be used for an electrocatalytic reaction of micromolecule fuel.

The invention discloses a water-based graphite-based high-temperature bonding solid lubricant and a preparation method and application thereof. The water-based graphite-based high-temperature bondingsolid lubricant is prepared from the following components in percentage by weight: 8 to 25% of a lubricating main agent, 1 to 5% of a dispersing agent, 4 to 16% of a bonding agent and 60 to 80% of water, wherein the lubricating main agent comprises graphite and silicon dioxide; the dispersing agent comprises at least one selected from the group consisting of a silane coupling agent, hexadecyl trimethyl ammonium chloride, hexadecyl trimethyl ammonium bromide, lauryl sodium sulfate and sodium dodecyl sulfate; and the bonding agent comprises at least one selected from the group consisting of water-based polyamideimide, inorganic phosphate and water glass. The water-based graphite-based high-temperature bonding solid lubricant has the characteristics of excellent antifriction and antiwear properties, wide temperature application range, normal-temperature curing, simple post-treatment of coating, environmental friendliness, avoidance of high-temperature oxidation of workpieces and the like.

The invention discloses electrostatic spraying powder and an application method thereof in a sealing copper gate valve, and relates to the technical field of electrostatic spraying powder. The electrostatic spraying powder is prepared from the following raw materials in parts by weight: 60-65 parts of epoxy resin, 15-20 parts of modified rosin resin, 12-15 parts of nanometer ceramic powder, 10-12 parts of nanometer calcium carbonate, 10-12 parts of dodecanol ester, 8-10 parts of polyvinyl chloride, 8-10 parts of organic bentonite, 5-8 parts of nitrocellulose, 5-8 parts of zinc oxide, 3-5 parts of o-hydroxy phenyl benzoate, 3-5 parts of naphthenic acid soaps, 2-3 parts of tributyl phosphate, 2-3 parts of cetyl trimethyl ammonium chloride, 3-5 parts of castor oil oxide, 15-20 parts of butyl acetate and 20-25 parts of water. The electrostatic spraying powder suitable for the sealing copper gate valve, which is disclosed by the invention, is prepared through the addition of various coating additives by taking the epoxy resin and the modified rosin resin as main raw materials and carrying out modifying treatment by adopting the nanometer ceramic powder and the nanometer calcium carbonate, and a coating obtained after the electrostatic spraying powder is sprayed not only has high anti-corrosion property, but also achieves the smoothness and flatness of a surface, so that the beautiful degree of the valve is increased.

The invention discloses a controllable processing method and device of a nanopore array based on optical control. The method comprises the following steps: (1) spin-coating a hexadecyl trimethyl ammonium chloride layer on the upper surface of a cleaned silicon wafer, (2) self-assembling a layer of gold nanoparticles on the upper surface of the silicon wafer subjected to the step (1), (3) dispersing an array laser beam through a multi-beam galvanometer, and (4) performing optical manipulation on each gold nanoparticle through a single laser beam so as to enable each gold nanoparticle to move toa corresponding target position. The limitation of Van der Waals' force during self-assembly of the gold nanoparticles is overcome, according to the method, the customized gold nanoparticle array isaccurately processed at the designated position, and the high-quality silicon nanopore array is efficiently processed through metal-assisted chemical etching, so that the defects of large required process experiment workload, high hole site adjustment difficulty and the like of the conventional nanopore array etching technology are overcome, and the method has a wide application prospect.

The technical scheme provided by the invention is a dead skin eliminating condensation with a plant extract as a raw material. The condensation is prepared from a component A, a component B and a component C, wherein the component A comprises the following components in parts by mass: 2 to 5 parts of Carbopol, 2.5 o 2.8 parts of cetrimonium chloride, 1.8 to 2.2 parts of glycerinum and 90 to 96 parts of water. After the scheme is adopted, dead skin on the surface of skin can be eliminated by the Carbopol, and in a repeated rubbing process, the dead skin can also be softened by the Carbopol and then falls off, and the skin is whitened at the highest speed; O-cymene-5-alcohol is a bactericide and can be used for effectively sterilizing the surface of the skin; wild soybean protein has the performances of resisting oxidization, activating cells, resisting ageing and improving pachylosis; the plant extract can be used for complementing various micro elements of skin, after utilization, the skin is kept moist and smooth, and the plant extract is used for moisturizing the skin.

The invention relates to a care agent for a vehicle leather seat. The care agent is prepared from the following raw materials in parts by weight: 6-12 parts of hexadecyl trimethyl ammonium chloride, 4-9 parts of simethicone, 2-7 parts of chlorcosane, 1-5 parts of essence, 6-11 parts of waterborne PU resin, 4-6 parts of acetone, 3-9 parts of polyethylene wax, 5-7 parts of castor oil derivative, 1-5 parts of natrium salicylicum, 4-8 parts of calcium carbonate, 2-6 parts of polyacrylate, 3-8 parts of propyldimethylmethoxysilane, 4-10 parts of nigrosine and 2-7 parts of organic silicone oil. The care agent has the beneficial effects that the care agent for the vehicle leather seat is capable of repairing the seat while softening leather, increasing comfort degree, strengthening strength of the seat and prolonging the service life of the seat.

The invention discloses a layer-by-layer self-assembled composite antibacterial film and a preparation method thereof. Cellulose nanocrystals are grafted with hexadecyl trimethyl ammonium chloride, and a comb-shaped polymer quaternized cellulose nanocrystal layer capable of loading hydrophobic antibacterial active substances is prepared; meanwhile, cellulose nanofibers and chitosan are cross-linked to construct a base layer with good mechanical properties and barrier properties; and compounding the two layers of materials through a layer-by-layer self-assembly method to form the composite antibacterial film. The film prepared in the invention has excellent mechanical properties and barrier properties, and can load hydrophobic antibacterial substances with good bacteriostatic activity on escherichia coli, salmonella typhimurium, staphylococcus aureus and listeria monocytogenes; the method can be applied to various antibacterial fields such as the food field, the biological field, the medical field, the sewage treatment field and the functional textile field.

The invention discloses a preparation method of a mesoporous MSQ aerogel / glass fiber composite material. The method comprises the following steps: proportionally mixing and stirring hexadecyl trimethyl ammonium chloride, hydrochloric acid, methanol and methyltrimethoxysilane, adding a gel accelerator, stirring, and pouring into a fixed container to obtain sol; pouring an infrared opacifying agentinto the sol in proportion to obtain composite sol; dipping a glass fiber felt in the composite sol; curing the gel / glass fiber composite material; and drying the gel / glass fiber composite material. The mesoporous MSQ aerogel and the glass fiber mat are compounded, so that the mechanical properties of the mesoporous MSQ aerogel can be improved; and the mesoporous MSQ aerogel is modified by adopting infrared opacifying agent such as titanium sol or nanometer titanium dioxide and the like, so that the heat insulation performance of the glass fiber felt at high temperature can be improved.

The invention discloses a coated ternary lithium manganese iron phosphate composite material and a preparation method thereof. The coated ternary lithium manganese iron phosphate composite material comprises a coating material, a ternary material, lithium manganese iron phosphate, a dispersant and deionized water, wherein the coating material is graphene and metal elements, and the metal elements are at least one of oxides of AL, Mg, Ti, V, Nb, Sr, Y, Ru, Zn, Mo and Zr; the ternary material is LiNi<X>Co<Y>Mn<1-x-y>O2, x is greater than or equal to 0.3 and less than or equal to 0.9, and x + y is greater than or equal to 0.3 and less than or equal to 0.9; the lithium manganese iron phosphate is LiMn Fe<1-z>PO4, and z is greater than or equal to 0.1 and less than or equal to 0.9; the dispersing agent is at least one of hexadecyl trimethyl ammonium chloride, octadecyl trimethyl ammonium chloride polyethylene glycol, polyvinyl alcohol, polyoxyethylene, propylene glycol, sodium polystyrenesulfonate and ethanol. The invention relates to the technical field of lithium ion battery positive electrode materials, and particularly provides a coated ternary lithium iron manganese phosphate composite material and a preparation method thereof, which can reduce the cost of a ternary material, improve the safety performance and improve the conductivity of the lithium iron manganese phosphate material.

The invention relates to the field of printing ink, and particularly relates to rust-proof metal printing ink which contains pepper essential oil. The rust-proof metal printing ink is prepared from the following raw materials in parts by weight: 0.01-0.02 part of propyl hydroxybenzoate, 1-2 parts of monoalkyl ether phosphate potassium salt, 1-3 parts of casein, 0.001-0.002 part of the pepper essential oil, 0.5-2 parts of hydrogenated polydecene, 25-35 parts of water-based polyurethane-acrylate composite emulsions with solid content of 50%-60%, 1-2 parts of cetyl trimethyl ammonium chloride, 4-8 parts of isopropanol, 18-25 parts of deionized water, 6-12 parts of pigments and 1-2 parts of auxiliary agents. The rust-proof metal printing ink disclosed by the invention has high compatible binding capacity with resin through the addition of the casein treated through the monoalkyl ether phosphate potassium salt by taking the water-based polyurethane-acrylate composite emulsions as binding materials, can be used for improving the wettability and decorative effect of ink through the auxiliary agents, can be well attached to multiple metal surfaces, can prevent the erosion of worms and ants through specific smell of a pepper essential oil component, can be used for prolonging the oxidization of the metal surfaces and achieves the dual effects of decoration and base material protection.

The invention discloses a fragrant, soft and smooth hair conditioner and a preparation method thereof. The hair conditioner comprises the following components in percent by weight: 5 to 10 percent ofcetanol, 0.05 to 0.2 percent of cetrimonium chloride, 1 to 5 percent of glycerinum, 0.5 to 4 percent of glyceryl stearate, 0.05 to 0.3 percent of EDTA disodium, 1 to 5 percent of sweet almond oil, 1 to 5 percent of olive fruit oil, 0.5 to 1.5 percent of essence, 0.5 to 1.5 percent of a preservative, and water for the surplus, and the sum of percent of all the components is 100 percent. The fragrant, soft and smooth hair conditioner can ensure that the hair conditioner has good nourishing and moisturizing properties, and can keep hair be soft and smooth for a long time, and meanwhile all components of hair lotion are effectively matched with one another, so that a product is stable, has special fragrance and obvious washing effect, and can be used for a long time. The preparation method issimple in technology, easy to operate, low in cost, high in efficiency and easy for industrial production.

The invention relates to a high-temperature-resistant and high-salinity-resistant furfural extract oil sulphonate system and a preparation method thereof. The preparation method comprises the following two steps: (1) adding furfural extract oil and 1,2-dichloroethane in a reaction vessel, heating up, starting stirring, dropwise adding concentrated sulfuric acid slowly, dropwise adding a sodium hydroxide solution slowly to neutralize after the concentrated sulfuric acid is added dropwise, carrying out rotary evaporation to remove the 1,2-dichloroethane, drying, adding isopropanol and petroleum ether to carry out extraction, removing unreacted raw materials, evaporating to be dry, removing salt with absolute ethyl alcohol, and evaporating to be dry so as to obtain furfural extract oil sulphonate; and (2) adding the furfural extract oil sulphonate, cetrimonium chloride or dodecyl acid diethanolamide and water in the reaction vessel, and heating up and stirring for 30 minutes to obtain the high-temperature-resistant and high-salinity-resistant furfural extract oil sulphonate system. The furfural extract oil sulphonate system for tertiary oil recovery can reduce tension of an oil-water interface to be ultra-low (below 1*10-2 mN / m) under the conditions of high temperature, high salinity and zero alkali, oil recovery efficiency is improved by above 16.4%, and the high-temperature-resistant and high-salinity-resistant furfural extract oil sulphonate system has a good application prospect in a high-temperature and high-salinity oil reservoir.

The invention relates to a non-clean anti-bacterial liquid soap and a preparation method thereof. The non-clean anti-bacterial liquid soap is prepared from 0.1% benzalkonium chloride, cetrimonium chloride, lauryl trimethy ammonium chloride, olive oil, grape seed oil and the like, and the non-clean anti-microbial liquid soap is prepared through the processes such as mixing and stirring. Multiple bacteria and fungi are restrained and killed, and the non-clean anti-microbial liquid soap is long in anti-bacterial time, free of washing, convenient to use and low in cost.

The invention discloses a low-foam thickening synergistic aid for diquat dichloride. The low-foam thickening synergistic aid comprises the following components in percentage by weight: 1-20% of hexadecyl trimethyl ammonium chloride, 1-20% of diquat dichloride, 1-20% of diquat chloride, 1-20% of diquat chloride, 1-20% of diquat chloride and the balance of water. 1-30% of alkyl glycoside; 1 to 30% of cocamidopropyl betaine; 1 to 30% of cocamidopropyl dimethyl tertiary amine; 1-20% of ethanol; 0.05 to 0.2 percent of a defoaming agent; and the balance of water. The low-foam thickening synergistic aid for the aquacide dichloride aqueous solution can increase the viscosity of the aquacide dichloride aqueous solution, improve the effect and effectively reduce the foam of the aqueous solution.

The invention discloses a preparation method of a building caulking agent. The method specifically comprises the following steps: mixing spherical graphite, hexadecyl trimethyl ammonium chloride and an ethanol solution, adjusting the temperature to 60-80 DEG C, stirring for 40-50min, carrying out filtration and washing, adjusting the water content to 70-80%, adding a graphene oxide aqueous dispersion in a stirring state, and continuing to carry out stirring, filtration and washing, and carrying out drying; adding epoxy resin into a product, heating the epoxy resin in a stirring state until theepoxy resin is in a molten state, and continuing to carry out stirring to obtain pretreated epoxy resin; and stirring the pretreated epoxy resin, acrylate rubber, alkyd resin and hydroxypropyl cellulose, cooling, adding pigment, a delustering agent, river sand, Portland cement, a leveling agent and an antifoaming agent, and continuing to carry out stirring to obtain the building caulking agent. The prepared building caulking agent is good in binding power, the binding position is not prone to opening, and the impermeability and the water resistance of the building caulking agent are excellent.

The invention relates to the technical field of cosmetics. The invention discloses quantum-content process mild, nourishing and softening shampoo and a preparation method thereof. The shampoo containscarbomer, an anionic surfactant, piroctone ethanolamine salt, a cationic conditioner, cocamidopropyl betaine, cocamidomethyl MEA, olive oil PEG-8 esters, zinc pyrithione, a chelating agent, polydimethylsiloxane alcohol, C12-13 alkanol polyether-15, cetrimonium chloride, dodecylbenzene sulfonic acid TEA salt, a preservative, essence and water. The preparation method comprises the following steps:heating and mixing carbomer and water, and adding the anionic surfactant; then sequentially adding piroxone ethanolamine salt and a cationic conditioner, cooling, and then adding cocamidopropyl betaine; and sequentially adding the remaining components in the shampoo to obtain the shampoo. The shampoo has high softening and cleaning functions, and the combing performance and refreshing feeling of hair are improved.

The invention provides a method for preparing Pt-Cu nano sheet-like alloy from an aqueous phase, and belongs to the technical field of metal nano material preparation. The preparation process comprises the steps that a copper chloride solution is prepared to serve as a precursor of a copper source, hexadecyl trimethyl ammonium chloride serving as a surfactant is added at normal temperature and isstirred to be uniform, ascorbic acid serving as a reducing agent is added, platinum source chloroplatinic acid is added, and co-reduction is carried out at 120 DEG C in a hydrothermal manner to obtainan alloy product. Researches show that the high-concentration copper source is the cause of generation of the nano sheet-like alloy. After increasing the concentration of copper ions, the concentration of the reducing agent relative to the precursor is reduced, the reaction rate is reduced, the nucleation rate is inhibited, nanocrystalline assists a (111) crystal face to grow in the [211] direction under the action of hexadecyl trimethyl ammonium chloride, and finally, the two-dimensional sheet-like alloy nano material is formed. The method is environmentally friendly and low in production cost, and the preparation environment is easy to implement.

The invention relates to a surface modification method of aluminate yellow fluorescent powder for an LED. The method comprises the following technical steps: nano SiO2 surface pretreatment; surface modification by polyethylene glycol; low-temperature sintering treatment and the like. The method specifically comprises the following steps: adding the aluminate yellow fluorescent powder into a hydrating solution of ethyl orthosilicate; after reaction, carrying out surface modification by polyethylene glycol; by using N-hexadecyl trimethyl ammonium chloride as an emulsifier, drying; and in a nitrogen atmosphere, firing at low temperature to obtain the surface modified fluorescent powder. The aluminate yellow fluorescent powder provided by the invention has the characteristics of good compatibility with carrier glue, slow settling velocity in the carrier glue, high product percent of pass and the like and can be used for surface modification of synthesizing the aluminate yellow fluorescent powder.

The invention relates to an antibacterial antistatic and yellowing-resistant TP, which is prepared from the following components in parts by weight: 45 to 70 parts of polymer polyol, 5 to 12 parts of1,4-butanediol, 0.4-1 part of ethylenediamine, 35-40 parts of isocyanate (MDI), 0.1-1.5 parts of hexadecyl trimethyl ammonium chloride, 0.1-1.0 part of nano zinc oxide, 0.5-1 part of an antioxidant and 0.5-1 part of an anti-UV agent. According to the invention, nano zinc oxide and hexadecyl trimethyl ammonium chloride are infiltrated in polymer polyol in advance, so that caking cannot be generatedduring a chain extension reaction so as not to influence the transparency and the yellowing resistance of TPU, and the TPU can be fully dispersed in colloid so as to effectively exert the antibacterial property of the TPU.

The invention discloses a preparation method of an oil sludge separating agent. The method comprises the steps of dissolving hexadecyl trimethyl ammonium chloride, hydrochloric acid and polypropylene glycol in water, and increasing the temperature to 70-80 DEG C for thermostatic reaction for 1h-2h; adding in peroxysulphate solution for thermostatic microwave reaction for 2h-3h to obtain a clear solution, namely, the oil sludge separating agent. The oil sludge separating agent contain a large amount of charge, which can be combined with surface charge of oil sludge; inorganic acid and surfactant contained in the oil sludge separating agent can change conditions to produce hydroxyl functional groups to improve the polymerization degree of oil products; interaction of multiple materials can achieve rapid and efficient oil sludge separating effects. Meanwhile, the oil-soil separating agent is low in requirements and influence on sand and water quality, and due to the fact of being prepared through microwave reaction, the oil sludge separating agent can be more significant in effects.