185 results about "Ester sulfate" patented technology

The invention discloses a facial cleanser and a preparation method thereof. The problem of skin tension caused by using the present facial cleanser for cleaning skin is solved. According to the technical scheme, the facial cleanser comprises the following components in parts by weight: 8-22 parts of sodium methyl cocoyl taurate, 3-12 parts of sodium cocoyl isethionate, 2-5 parts of lauryl sulfo succinate disodium, 2-10 parts of cocamidopropyl betaine, 1-5 parts of lauryl alcohol polyether ammonium sulfate, 3-10 parts of a thickening agent, 0.1-0.5 part of a preservative, 0.05-0.2 part of EDTA disodium, 0.2-0.6 part of propylene glycol, 2-12 parts of glycerinum, 0.1-0.5 part of essence and 10-18 parts of water. The prepared facial cleanser belongs to an amino acid facial cleanser, has the characteristics of safety, no stimulation, skin-relieving effect and deep skin-cleaning effect, and can be used by a user for a long term.

The method comprises the following steps: dropwise adding hydrogen peroxide into a mixture of cyclic sulfite, an organic solvent and a solid catalyst to carry out catalytic oxidation reaction, filtering out the solid catalyst after the reaction is finished, standing filtrate for layering, taking an organic layer, and performing distilling and concentrating to obtain a cyclic sulfate product. Cheaphydrogen peroxide is used for directly catalyzing and oxidizing cyclic sulfite to prepare cyclic sulfate, so that on one hand, the reaction is mild and easy to control, and the reaction conversion rate is high; on the other hand, no waste salt is generated, the evaporation capacity of water is small, energy consumption is low, generated waste water is little, and the production process is more environmentally friendly; the used solid catalyst contains an active component, an active auxiliary agent and an oxide carrier, and can be recycled, so that the consumption of noble metals is reduced, and the production cost is greatly reduced; the cyclic sulfate prepared by the method is few in impurities, high in purity and wide in market prospect.

The invention discloses an antibacterial hand sanitizer and a preparation method thereof. The antibacterial hand sanitizer comprises (A) 0.05-12% of fungicide coconut oil alcohol polyether ester sulfate zinc; (B) 5-20% of anionic surfactant; (C) 5-20% of ampholytic surfactant; (D) 1-10% of humectants; (E) 0.05-0.5% of chelating agent; (F) the balance of water in the weight of a composition. The antibacterial hand sanitizer containing the fungicide coconut oil alcohol polyether ester sulfate zinc disclosed by the invention has the advantages of being low in thrill, strong in hard water resistance, high in detersive power and the like besides the bacteriostatic efficacy. The influence of the fungicide coconut oil alcohol polyether ester sulfate zinc on the surfactant is small, so that the selectable surfactant in the formula is less limited; the formula can be simply adjusted, so as to adapt to variable market requirements.

The invention discloses bubble bath oil and a preparation method thereof. The components of the bubble bath oil comprise, by weight, 30 to 55% of sweet almond oil, 1 to 4% of cocamidopropyl DEA, 15 to25% of laurinol polyether sulfate TIPA salt, 3 to 8% of propylene glycol, 20 to 35% of lauryl alcohol polyether-4, 1 to 4% of PEG-7 glyceryl cocoate, and 0.5 to 1% of auxiliary component. The bubblebath oil has the advantages that dirt and excessive sebum on the skin can be removed; the grease balance of the skin can be maintained; the itching and dry skin state can be improved; the lubricatingfeeling of the skin can be improved; the nourishing effect is realized during cleaning; and real two-in-one effect of washing and protection is realized.

Highly foaming detergent mixtures comprising: (a) at least one fatty acid polyglycol ester sulfate of the general formula (I):wherein R1CO represents an acyl group and R1 is selected from the group consisting of linear, branched, saturated and unsaturated chains having from about 6 to about 22 carbon atoms, x is an integer having a value of from 1 to 3, each AO independently represents a CH2CH2O, CH2CH(CH3)O or CH(CH3)CH2O group, and X is selected from the group consisting of an alkali metal, an alkaline earth metal, ammonium, an alkylammonium, an alkanolammonium or a glucammonium; and (b) at least one additional surfactant selected from the group consisting of anionics, nonionics, cationics, amphoterics and zwitterionics are disclosed. The disclosed detergent mixtures exhibit advantageous foaming performance and a high level of foam stability even in the presence of hard water and/or oil.

In this invention, we extract raw polysaccharides from changium root named A B C respectively, and purify to get 6 polysaccharides I,II,III,IV,V,VI. After sulfation, we get sulfated polysaccharides A1, B1,C1. A1 has two sulfate groups on each monosaccharide at the average while B1 and C1 have three. The sulfated polysaccharides' molecular weight is more than 2 million D. The glycoside link is alpha type. The whole procedure of changium root sulfated polysaccharides is as followings: extract raw polysaccharides from changium root, and then get the polysaccharides sulfated. It is advantageous in simplied-manipulation and low cost. The pharmacological experiments prove its obvious suppression on rat transplanting tumor(S-180) and the reduction of platelet aggregation ratio and whole blood viscosity. It also reduces coagulant time.

The invention provides an infiltration improvement additive, a pole piece, an infiltration method of the pole piece, a battery and a preparation method of the battery. The infiltration improvement additive is one or a mixture of more than two of carbonic ester substances, sulfate ester substances and phosphate ester substances. According to the infiltration improvement additive, the infiltration improvement additive can be used for pole piece preparation, can be dissolved into an electrolyte to become part of the electrolyte in the final lithium ion battery preparation process, enables the pole piece to be filled with the electrolyte, and improves the infiltration performance of the pole piece. Meanwhile, the position occupied by an original additive is enabled to become pores, the porosity of the pole piece is increased, and the storage of the electrolyte is facilitated.

A heparan sulfated derivative is prepared from heparan sulfated by sulphating. A preparation method comprises: swelling heparan sulfated by anhydrous dimethyl formamide, adding a sulfur trioxide-trimethylamine complex, heating for esterification, dissolving, dialyzing, freeze-drying precipitation components of the reactant by distilled water, then dissolving by sodium chloride solution, precipitating by ethanol, centrifuging, removing a supernatant, drying, and then obtaining sulphated heparan sulfated. The heparan sulfated derivative can inhibit activities of tumor cells and umbilical vein endothelial cell proliferation.

The invention discloses a method for preparing perfluoroalkyl ethyl alcohol with perfluoroalkyl ethyl iodide, which comprises the following steps: (a) fuming sulphuric acid and the perfluoroalkyl ethyl iodide are mixed at 55-75DEG C, thus obtaining premixed reactants; (b) the premixed reactants are heated to 130DEG C at most to ensure the fuming sulphuric acid to react with the premixed reactants of the perfluoroalkyl ethyl iodide, thus forming sulfate; and (c) hydrolysis is carried out and the perfluoroalkyl ethyl alcohol is separated.

The present invention belongs to the technical field of sulfation, and specifically discloses a polygonatum odoratum polysaccharide sulfation method. The method comprises: dissolving dried polygonatum odoratum polysaccharide in a reaction solvent, adding a pyridine sulfur trioxide complex, carrying out a reaction for 4-9 h at a temperature of 40-80 DEG C, neutralizing, carrying out ethanol precipitation, carrying out dialysis, concentrating, and drying to obtain the polygonatum odoratum polysaccharide sulfate, wherein a mass volume ratio of the polygonatum odoratum polysaccharide to the reaction solvent is 1:10-1:500 g/ml, and a mass ratio of the polygonatum odoratum polysaccharide to the pyridine sulfur trioxide complex is 1:5-5:1.

The invention relates to a preparation method of D-p-hydroxyphenylglycine methyl ester. The preparation method comprises the following steps: (1) esterifying: carrying out an esterification reaction on D-p-hydroxyphenylglycine and methanol to obtain D-p-hydroxyphenylglycine methyl ester sulfate, and distilling off methanol and water under reduced pressure, wherein the D-p-hydroxyphenylglycine is added one time, and the methanol is added in batches; and (2) crystallizing the D-p-hydroxyphenylglycine methyl ester. The preparation method can very easily control the reaction endpoint, so that theyield and the quality index of the finished product can be guaranteed to the maximum extent; the preparation method provided by the invention avoids the problems of safety and operation caused by hydrogen chloride gas or thionyl chloride; and in the step of D-p-hydroxyphenylglycine methyl ester crystallization, an alkali metal hydroxide is used for adjusting the pH value of the system without using ammonia water, so that the problem that ammonia ions are difficult to treat is avoided.

The invention belongs to the technical field of cosmetics and discloses a new type of shampoo without silicone oil. The formula of the new type of shampoo without silicone oil includes: sodium lauroyl glutamate 5-15%, alkyl sulfate monoethanolamine salt 3-9%, sodium lauryldimethylaminocaproate 1-5%, polyquaternium-7 0.5-3%, myristyl ether 0.1-1%, chamomile essential oil 1-5%, D pan Alcohol 1-3%, Campanola 0.1-1%, Lanolin 1-5%, Citric Acid 0.1-0.8%, EDTA 0.1-0.5%, Thickener 0.5-2%, Preservative 0.2-1% , essence 0.2-1%, and the balance pure water. The raw materials of the novel shampoo of the present invention do not contain silicone oil components, and the scalp will not be damaged during use. By adding water-soluble plant essential oil components and vitamin components instead of silicone oil, the hair can be cared for while washing the hair without affecting the smoothness and combability of the hair after shampooing, avoiding long-term contact of the scalp with washing Health hazards caused by silicone oil components in hair.

This invention discloses a method for synthesizing active yellow DF-3RS. The method comprises: (1) pulping 2-naphthylamine-3,6,8-trisulfonic acid, adding HCl and NaNO2, and reacting to obtain diazo salt; (2) pulping m-ureido-naphthylamine, adding NaHCO3 and the above diazo salt, and reacting to obtain a coupling compound; (3) adding the coupling compound into pulped cyanuric chloride suspension, and reacting to obtain a first condensate; (4) adding sulfate ethylsulfone naphthylamine, reacting, removing inorganic salts with an ionic membrane, and spray-drying to obtain yellow DF-3RS. The method can reduce the deterioration of the environment, and raise the product yield.

The present invention relates to an absorbent article comprising: a topsheet, a backsheet and an airlaid composite material disposed between the topsheet and the backsheet. In one aspect of the present invention, the airlaid mixture material comprises: a) cellulosic fibers, and b) the airlaid mixture material having been treated with a surfactant comprising phosphate esters, sulfate esters or derivatives thereof . Cellulose fibers and thermoplastic fibers are bonded together to form preferably at 20gf/cm ² A thermally bonded airlaid substrate having a dry density under pressure of from about 0.04 to about 0.11 g/cc.

The invention relates to a method for detecting parecoxib sodium sulfate genotoxic impurities. The method comprises the following steps of dissolving a dimethyl sulfate reference substance, a diethylsulfate reference substance and a diisopropyl sulfate reference substance to obtain a sulfate impurity reference substance solution, dissolving parecoxib sodium to be detected to obtain a sample solution to be detected, and carrying out gas chromatography-mass spectrometry determination on the sulfate impurity reference substance solution and the sample solution to be detected. The chromatographicconditions are as follows: a filler of the gas chromatographic column is selected from one of a non-polar filler, a weak polar filler and a medium polar filler; and mass spectrum conditions comprisethat an electrospray ion source and a positive ion scanning mode are selected. The method is high in detection precision, has very high specificity and durability, and is simple and convenient to operate. The separation degree between genotoxic impurities is greater than 2.0, and the method can be used for quality control of parecoxib sodium bulk drugs.

The invention provides a preparation method of dicyclic sulfite. The dicyclic sulfite is prepared by mixing a compound A and thionyl chloride and reacting; the compound A has a structure as shown in a formula (1) in the specification; the dicyclic sulfite has a structure as shown in a formula (2) in the specification; R1 to R8 are independently selected from H, a halogen atom, a cyano group, silane trifluoride or at least one X-substituted alkyl group with 1 to 3 carbon atoms when appearing at each time; and X is respectively and independently selected from H, F, silane group, cyano group or isocyanate group. The preparation method is mild in reaction, free of solvent participation, short in reaction time and easy in process control, and can be used for preparing high-yield and high-purity dicyclic sulfite.

The invention provides a water-based flame retardant coating. The water-based flame retardant coating comprises the following components in parts by weight: 20-30 parts of acrylate, 5-10 parts of sulfate, 0.2-0.4 part of potassium sulfate, 1-2 parts of nonylphenol polyoxyethylene ether, 8-12 parts of epoxy modified alcohol ester, 5-6 parts of tetraethoxysilane, 3-5 parts of a curing agent, 10-15 parts of filler, 12-20 parts of a dispersing agent and 30-45 parts of water. The water-based flame retardant coating has the beneficial effects that by applying an organophosphorus ester compound to the coating to form a synergistic flame retardant system with silicon, the coating has good compatibility and flame retardance; meanwhile, the coating has excellent adhesive property, is low in cost, has good component compatibility, is environmentally friendly and flame-retardant and has excellent application value.

The invention belongs to the technical field of organic synthetic chemistry, and particularly relates to a preparation method of cyclic sulfate, under the action of a catalyst and in the presence of oxygen or air, cyclic sulfite is subjected to an oxidation reaction to obtain the cyclic sulfate, the catalyst is a mixture of ferric salt, chlorate and tetramethylpiperidine oxide, the ferric salt is ferric nitrate, ferric sulfate, ferric chloride, ferric phosphate or the ferric salt with crystal water, the chlorate is sodium chloride or potassium chloride, and the tetramethylpiperidine oxide is 2, 2, 6, 6-tetramethylpiperidine oxide or 4-hydroxy-2, 2, 6, 6-tetramethylpiperidine oxide; the method is efficient, low in cost and green in synthesis of the cyclic sulfate.

The invention discloses a preparation method of an orange reactive dye. The preparation method comprises the following steps of: 1. carrying out primary condensation reaction; 2. carrying out secondary condensation reaction; 3. carrying out diazo reaction; 4. carrying out coupling reaction; and 5. carrying out third-time condensation: adding 2-aminoethyl-2' sulfonyl hydroxyethyl sulfone sulfate to coupling solution obtained after coupling in step 4, adjusting the PH value to be 6.5-8.5 with 15% of pure alkali solution, then raising the temperature to 60-80 DEG C, controlling the temperature and the PH value, reacting for 4-5 hours until the finishing point and drying the dye solution, thus obtaining the orange reactive dye. The preparation method has the beneficial effects that not only can the fixation rate of the dye be improved, but also the compatibility is improved, dyeing defects are not easy to cause and the degree of blackness of deep black is improved.