81 results about "Ester sulfate" patented technology

The invention discloses an electrolyte, an electrochemical device comprising the electrolyte and a vehicle. The electrolyte comprises a solvent, a first additive and a second additive, the solvent comprises chain carboxylic ester, and the first additive comprises a sulfonate compound or / and a sulfate compound; the second additive comprises vinylene carbonate or / and fluoroethylene carbonate. According to the electrolyte disclosed by the invention, the chain carboxylic ester solvent, the first additive containing the sulfonate compound or / and the sulfate compound and the second additive containing the vinylene carbonate or / and the fluoroethylene carbonate are matched for use; the rapid charging capability and the high-temperature cycle performance of a lithium iron phosphate system battery with high safety performance can be improved, and the application of lithium iron phosphate in a power battery is further widened.

The invention discloses a battery monomer, a battery device and electric equipment, the battery monomer comprises an electrode assembly and an electrolyte, the electrode assembly comprises a positive pole piece, the positive pole piece comprises a positive current collector and a positive active material layer arranged on at least one side of the positive current collector, and the positive active material layer comprises lithium-containing phosphate; the electrolyte comprises a carboxylic ester solvent and a linear carbonic ester solvent, based on the total mass of the electrolyte, the mass ratio of the carboxylic ester solvent is 5%-25%, and the mass ratio of the linear carbonic ester solvent is 20%-49%; the electrolyte further comprises a non-lithium salt additive, the non-lithium salt additive comprises a phosphate ester additive, and the non-lithium salt additive further comprises at least one of a carbonate ester additive, a sulfate ester additive, a borate ester additive, a silane additive and a sultone additive. The total mass of the non-lithium salt additive accounts for 0.1%-5%.

The invention provides transparent shampoo with fluffy and anti-dandruff effects and a preparation method of the transparent shampoo. The shampoo comprises the following components in percentage by weight: 10%-20% of sodium laureth sulfate; 0.5% to 10% of ammonium laureth sulfate; 0.5%-10% of cocamidopropyl betaine, 0.5%-10% of 0.5%-10% of coconut oil fatty acid monoethanolamide; 0.5% to 10% of decyl glucoside; 0.6% to 1.5% of capryloyl glycine; 0.1% to 1% of cationic guar gum; 0.1% to 1% of polyquaternium-10; 0.1% to 1% of polyquaternium-11; 0.1% to 1% of polyquaternium-51; 0.01% to 2% of magnolol; 0.01% to 2% of menthol; 0.1%-1% of sodium chloride; 0.1%-1% of citric acid; and 0.1%-1% of disodium EDTA. The shampoo disclosed by the invention has the effect of improving the combing performance in a dry hair state, can effectively improve the smoothness of hair and the touch comfort during use, and also has a supporting effect and antibacterial and anti-dandruff effects. According to the shampoo process, the clarity and appearance stability of the product are remarkably improved, and the shampoo can be kept in a transparent and uniform state for a long time.

The invention relates to the technical field of purification of fine chemical intermediates, in particular to a purification method of a mannitol carbonate sulfate preparation process intermediate, which comprises the following steps: S1, synthesizing diacetone-D-mannitol; s2, preparing an organic solution containing solids; s3, performing deprotection reaction to prepare a solid crude product; s4, removing unreacted solids; s5, extracting and separating by-product solids; and S6, purifying the target product solid and recovering mannitol. Through system separation and multi-component recovery, preparation of a high-purity product and cyclic utilization of unreacted substances, byproducts and raw materials are realized, the yield is remarkably improved, the cost is reduced, and the quality of a final product is guaranteed.

The invention provides a preparation method of ethylene carbonate and ethylene sulfate, which comprises the following steps: 1) by taking vinylethylene carbonate as a raw material, carrying out oxidation reaction with an oxidant to obtain epoxy ethylene carbonate as shown in a formula I; and 2) carrying out heating reaction on the epoxy ethylene carbonate as shown in the formula I obtained in the step 1) and sulfamic acid in an acidic solvent to obtain ethylene carbonate disulfate as shown in a formula II. The method avoids the problem of poor reaction selectivity caused by using butantetraol as a raw material in the prior art; according to the method disclosed by the invention, an intermediate butantetraol carbonate is not generated, so that the problem that the intermediate further reacts to generate a byproduct 2, 4, 7-trioxa-3-oxy-bicyclo [3.3. 0] octane does not exist; in addition, when the final product sulfate is synthesized, mild and non-irritant sulfamic acid is used, and the method has the advantages of being clean, green and environmentally friendly.

The invention discloses a synthesis method of mannitol carbonate sulfate, and belongs to the technical field of organic synthesis. The synthesis method provided by the invention comprises the following steps: reacting 1, 3, 4, 6-tetrachloro-2, 5-hexanediol with chlorosulfonic acid in the presence of an acid-binding agent to obtain an intermediate solution as shown in a formula (II); formula (II); and mixing the intermediate solution as shown in the formula (II) with anhydrous carbonate, heating to a first set temperature for reaction, and then heating to a second set temperature for reaction in the presence of a phase transfer catalyst to obtain the mannitol carbonic sulfate. The whole process route is short, the yield is high, and the total yield of two steps reaches 88% or above; meanwhile, few by-products are generated, the purification difficulty is low, the reaction time is short, few hazardous wastes are generated, operation is easy and convenient, and industrial large-scale production is facilitated.

The present invention provides a composition comprising cellulose nanofiber and lignin or a complex thereof for efficiently utilizing lignocellulosic biomass without a residue, and a method for efficiently producing a lignocellulose-derived material from lignocellulosic biomass. The present invention relates to a composition comprising cellulose nanofiber having a sulfate group and a lignin-derived substance, and a method for producing a lignocellulose-derived material.

The invention belongs to the technical field of soil environment regulation and control, and discloses a soil microenvironment treating agent as well as a preparation method and application thereof. The soil microenvironment treating agent comprises a main agent, ozone and water, wherein the main agent comprises one or more of carboxylate, sulfonate, sulfate salt, phosphate salt and polyoxyethylene ether compounds. The preparation method comprises the following steps: S1, mixing a main agent and a dispersing agent into water to form a main solution; s2, ozone is pumped into the main solution through a nanocrystallization turbine pump, so that the ozone is dispersed into nano bubbles in the main solution, and the gas-liquid mixed soil microenvironment treatment agent is obtained. During application, the soil microenvironment treating agent is dripped into soil through a drip irrigation system. In conclusion, the nanocrystallization turbine pump and the drip irrigation system are used for achieving full treatment of the soil microenvironment treatment agent on soil, and the soil microenvironment treatment agent has the advantages of being convenient to operate, high in treatment efficiency, low in cost, free of pollution, free of residues and the like.

Electrolyte comprising a first additive and a second additive, wherein the first additive and the second additive satisfy the following: a:b=(0.15~3):1, where a% is the mass fraction of the first additive in the electrolyte, and b% is the mass fraction of the second additive in the electrolyte; and wherein the first additive is pentaerythritol bicyclic sulfate, and the second additive is tris(trimethylsilyl)phosphite.

The invention discloses an electrolyte, an electrochemical device and a vehicle. The electrolyte comprises an electrolyte, a solvent and an additive, the additive comprises a sulfate compound, and the sulfate compound comprises at least one of a compound as shown in a formula I or a compound as shown in a formula II; the # imgabs 0 # is shown as a formula I, and the # imgabs 1 # is shown as a formula II; the solvent comprises a fluoro-carboxylic ester compound, the fluoro-carboxylic ester compound has a structure as shown in a formula III: imgabs2, at least one of R1, R2, R3, R4, R5 and R6 is F, and the balance is H or alkyl. The electrolyte provided by the invention contains the sulfate compound and the fluorocarboxylate compound, the sulfate compound is good in stability and can be reduced to form a stable SEI film before the solvent, and F atoms are introduced into the fluorocarboxylate compound, so that the oxidation resistance of the electrolyte can be improved; the composite material has good interface stability with a positive electrode material at high temperature and high pressure, so that the high-temperature circulation and storage performance and the like are integrally improved.

The invention relates to the technical field of gel preparations, in particular to selenium disulfide gel and a preparation method thereof. The raw materials for forming the selenium disulfide gel are selected from selenium disulfide, a metal ion complexing agent, carbomer, a pH regulator, lauryl sulfate salt and a solvent. The selenium disulfide gel has excellent stability, and particularly, the selenium disulfide gel is not prone to discoloring and layering after being stored at high temperature for a long time.

The invention discloses a low-temperature high-ionic-conductivity ether-ester composite sodium ion electrolyte and a preparation method thereof, and belongs to the technical field of energy storage battery materials, the electrolyte comprises ethylene glycol dimethyl ether, ethylene carbonate and methyl ethyl carbonate as basic solvents, and two brand-new modified compounds, namely methyl-2-(2, 2, 3, 3-tetrafluoropropoxy)-1, 2, 3, 4, 4-tetramethyl-1, 3, 4, 4-tetramethyl-1, 3, 4-tetramethyl-1, 3, 4-tetramethyl-1, 3, 4-tetramethyl-1, 3, 4-tetramethyl-1, 3, 4-tetramethyl-1, 3, 4-tetramethyl-1, 3, 4- According to the invention, 2, 3-dioxolane-4-yl phosphonate and cyclo (2-hydroxypropyl-2 '-hydroxyethyl) sulfate are used as auxiliary materials, and fluoroethylene carbonate, sodium bis (fluorosulfonyl) imide and sodium perchlorate are used as auxiliary materials. Wherein the freezing point of fluoroether phosphonate is reduced through a fluorinated chain segment, and a phosphonic acid group promotes ion dissociation and stabilizes an interfacial film; the cyclic hydroxyl sulfonate inhibits molecular association through a cyclic structure, hydroxyl reduces the viscosity of a solvent, and sulfonate groups optimize the conductivity of an interfacial film. The prepared low-temperature high-ionic-conductivity ether-ester composite sodium ion electrolyte is high in ionic conductivity at low temperature, stable in interfacial film and long in cycle life.

The present invention relates to a synthesis method for sulfate ester (amine) type linker polymer, which comprises a monomer containing hydroxyl or amino group and sulfuryl fluoride monomer proceeding a polycondensation reaction under a basic condition by one-pot process. As compared to the traditional polyester synthesis method, the present invention is economical; the reaction conditions are mild and easy to control, the reaction process is simple and easy to operate; the post-treatment process is simple with little environmental pollution, which is beneficial to industrial production. In addition, the bisphenol type polysulfate ester compounds synthesized by the present invention have excellent mechanical performances, dielectric performances, tolerance performances, and abrasion resistance performances.

A non-aqueous electrolyte solution for a secondary battery, a secondary battery, and an electrical apparatus are described. The non-aqueous electrolyte solution for a secondary battery of the present application comprises an additive and a non-aqueous solvent, the non-aqueous solvent comprises dimethyl carbonate, and the additive comprises a cyclic sulfate compound as represented by formula (I);

A cleaning composition according to an embodiment includes an alcohol solvent and a sulfate ester compound. The content of the sulfate ester compound is greater than 0 and 1 ppb or less based on the total weight of the composition. The cleaning composition may exhibit improved time-dependent stability and improved cleaning performance of semiconductor substrate residues.

The invention discloses an extraction method of 5 alpha-carp cholesteryl sulfate, and belongs to the technical field of extraction and purification of bile acid active substances. The extraction method of 5 alpha-carp cholesteryl sulfate comprises the following steps: (1) carrying out freeze drying or rotary evaporation concentration on fresh fish bile to obtain a crude product; (2) mixing and dissolving the crude product obtained in the step (1) with hot methanol at 50-80 DEG C according to a mass ratio of the crude product to the methanol of 1: (5-10), carrying out suction filtration while the crude product is hot, and collecting filtrate; and (3) ethyl acetate is added into the filtrate obtained in the step (2), the mass ratio of the methyl alcohol to the ethyl acetate is 1: (1-2), standing is conducted, a solid is separated out, and the obtained solid is the 5 alpha-carp cholesteryl sulfate. The extraction method disclosed by the invention is simple and convenient, high in yield, high in product quality and low in cost.

A cleaning composition according to an embodiment of the present invention comprises an alcohol solvent and a sulfate compound. The content of the sulfate compound is greater than 0 and less than or equal to 1 ppb based on the total weight of the cleaning composition. The cleaning composition may exhibit improved temporal stability and improved semiconductor substrate residue cleaning performance.

Provided are an elastic fiber treatment agent capable of improving stability and an elastic fiber to which the elastic fiber treatment agent is attached. The elastic fiber treatment agent of the present invention is characterized by containing: at least one base component selected from the group consisting of silicone oil, mineral oil, polyolefin, and ester oil; an amine salt of alkyl phosphate; and at least one quaternary ammonium salt selected from the group consisting of a fatty acid salt of quaternary ammonium, an alkyl sulfonate, an alkyl sulfate, and an alkyl phosphate. The elastic fiber of the present invention is characterized by having the above-described elastic fiber treatment agent attached thereto.

The invention discloses an interface agent capable of improving the bonding strength of ceramic tiles as well as a preparation method and application of the interface agent. The interface agent is prepared from the following components in parts by weight: 80 to 100 parts of deionized water, 40 to 60 parts of acrylic ester, 20 to 40 parts of styrene, 2 to 5 parts of methacrylic acid, 3 to 6 parts of hydroxyethyl acrylate, 0.5 to 2 parts of 3-methacryloxy propyl trimethoxy silane, 0.5 to 2 parts of allyloxy isomeric alcohol ether sulfate ammonia salt, 0.5 to 2 parts of 2-acrylamide-2-methylpropanesulfonic acid, 0.5 to 1.5 parts of potassium persulfate and 0.1 to 0.3 part of 10 percent sodium hydroxide solution. According to the invention, monomers such as methacrylic acid, hydroxyethyl acrylate and 3-methacryloxypropyltrimethoxysilane are introduced, so that the chemical bonding strength and water resistance of the ceramic tile back adhesive and a base material are remarkably enhanced. Styrene improves hardness and wear resistance, and silane monomers improve weather resistance. The prepared interface agent has good bonding strength, water resistance and weather resistance, is environmentally friendly and harmless, meets the national standard and is excellent in construction performance.

The present invention discloses a coating material for an injection needle and its use in the surface treatment of a peripheral blood collection needle, and relates to the field of biomedical materials technology. The coating material for an injection needle is formed by dipping the injection needle into a coating solution to form a coating on the needle surface; wherein the raw material composition of the coating solution includes, by weight, 1 to 4 parts by weight of modified silicone oil, 20 to 30 parts of 4-chlorotrifluorotoluene, 15 to 30 parts of ethyl acetate, 2 to 4 parts of hydroxypropyl methylcellulose, 3 to 8 parts of dimethylformamide, 0.5 to 2 parts of fucoidan sulfate, and 0.1 to 1 part of luteolin-5-O-glucoside. The coating material prepared by the present invention has good adhesion, is not easy to fall off when applied to the needle surface, and can greatly reduce the pain of the patient during puncture; has excellent anticoagulant effect, and can alleviate the problem that the patient's blood coagulation is fast and is not conducive to subsequent testing.

The invention provides a method for treating excessive halogen in an ionic photoacid generator, which comprises the following steps: adding a crude product of the ionic photoacid generator to be treated into a reactor, adding a solvent, stirring, then adding a sulfate reagent, reacting, then adding an anion raw material, continuing reacting, and after the reaction is completed, carrying out post-treatment to obtain the excessive halogen in the ionic photoacid generator. The ionic photoacid generator with qualified halogen content is obtained. The halogen content is less than or equal to 10 ppm. And the sulfate reagent is dimethyl sulfate, diethyl sulfate, dipropyl sulfate or dibutyl sulfate. The method for treating the residual halogen in the ionic photoacid generator is mild in reaction condition, simple in technological process, environment-friendly and high in yield, and can be widely applied to preparation of iodonium salt and sulfonium salt photoacid generators.

The invention discloses a method for preparing levoglucosenone by catalyzing cellulose pyrolysis through a sulfate-based donor. According to the method, cellulose and carrageenan are used as raw materials, a natural sulfate group in the carrageenan is used as a built-in catalytic source, the cellulose and the carrageenan are fully mixed and then placed in an inert atmosphere for co-pyrolysis, volatile components generated by pyrolysis are collected, and the liquid bio-oil rich in levoglucosenone is obtained after cooling. According to the method, an intrinsic functional group (sulfate group) of natural biomass is converted into a catalytic activity source, so that the green idea of catalytic conversion from biomass to biomass is realized, and a new green and sustainable catalysis way is provided; the method is low in production cost, simple in process, convenient to operate and high in yield and selectivity of the levoglucosenone, and has good industrial amplification and large-scale application potential.

The present application relates to the technical field of battery, in particular to a cyclic sulfate composition, and its preparation method and application. The composition comprises a cyclic sulfate compound represented by formula (1), and further comprises a sulfate compound represented by formula (A) and / or a carbonate compound represented by formula (B) in the composition: (1) (A) (B). The present application obtains a composition containing a target product, and the composition contains by-products in addition to the target impurities. Advantageously, the by-products with specific structures serve as lithium ion battery electrolyte additives, and have almost the same improvement ability as the target product for the performance of lithium ion batteries. The method in the present application has simple process and mild conditions, and can greatly reduce the cost required for removing impurities.

The application provides a preparation method of pentaerythritol bicyclic sulfate. The preparation method of the pentaerythritol bicyclic sulfate comprises the following steps: mixing pentaerythritol and sulfuryl chloride in a solvent, and performing a substitution reaction under the catalysis of imidazole to obtain pentaerythritol bicyclic sulfate. The preparation method of the pentaerythritol bicyclic sulfate provided in the application has the advantages of cheap and easily available raw materials, simple process, safe operation, a yield of greater than or equal to 82%, and wide application prospect.

The invention discloses a composite biological suspended filler for treating wastewater, and relates to the technical field of wastewater treatment. 15-25 parts of activated carbon powder; 10 to 20 parts of biological ceramsite particles; 3-8 parts of a microbial nutrient; 1-3 parts of a cross-linking agent; according to the invention, fucoidan in the marine organism extract is adopted, and a large amount of hydroxyl groups and sulfate groups contained in molecules of fucoidan can provide abundant nutrient substances for microorganisms, so that a wet microenvironment beneficial to growth is created, and attachment and reproduction of the microorganisms on the surface of the filler are greatly promoted; the biomass of microorganisms is increased, and the adhesion amount and activity of the microorganisms on the filler are remarkably improved through the synergistic effect with the modified polyethylene resin, the activated carbon powder and the biological ceramsite particles, so that the treatment capacity on pollutants in wastewater is improved, and a wastewater treatment system can operate more efficiently.

The invention discloses a star-shaped hyperbranched compatilizer and a preparation method thereof, and a PC / PMMA / SPs alloy material and a preparation method thereof. The preparation method of the star-shaped hyperbranched compatilizer comprises the following steps: preparing alkyl Gu2 by taking an aqueous solution of 1, 7-diaminoheptane and methylisourea hemi-sulfate salt as a main raw material; the preparation method comprises the following steps: mixing an aqueous solution of sodium hexametaphosphate and an aqueous solution of alkyl Gu2, carrying out spontaneous liquid-liquid phase separation under the action of a salt bridge to form a condensation body, concentrating a lower-layer phase to obtain a 3D cross-linked supramolecular polymer network between sodium hexametaphosphate and alkyl Gu2, and carrying out rotary evaporation and drying to obtain a final product, namely the star-shaped hyperbranched compatilizer SPs. The compatilizer SPs disclosed by the invention is applied to a PC / PMMA system alloy, so that the difficulties of phase separation and optical performance of the PC / PMMA system are broken through, the transparency of the alloy material is ensured, and meanwhile, the mechanical property of the alloy material is improved.

The invention discloses an application of a sulfate salt type fluorocarbon compound as a surfactant, the structure of the sulfate salt type fluorocarbon compound is as shown in formula (I), in the formula (I), Rn is selected from-CH2-or-CH2CH2-; rf is selected from one of C2-C8 fluorine-containing alkyl groups; a is selected from one of metal elements of a first main group or a second main group. The novel sulfate salt fluorocarbon compound has a fluoroalkyl-containing structure and a sulfate salt structure, the fluoroalkyl-containing structure and a carbon chain jointly form a fluorocarbon hydrophobic chain, and the novel sulfate salt fluorocarbon compound is excellent in surface activity, environmentally friendly and capable of replacing PFOA / PFOS to be applied to industries such as fire fighting and textile.

The application provides sulfated derivatives of fucosylated chondroitin sulfate oligosaccharides and application thereof, and belongs to the technical field of marine drugs. The structure of the sulfated derivatives of fucosylated chondroitin sulfate oligosaccharides is mainly a disaccharide repeating unit with GlcA and GalNAc connected through a beta-1,3 / beta-1,4 glycosidic bond as a main chain, and a fucose connected to the O-3 position of GlcA as a side chain; sulfation occurs at any 1-3 positions of C4 and / or C6 of the acetylglucosamine in the main chain, and C2,3,4 of the fucose in the side chain. Through in-vivo and in-vitro level verification, the application plays an anti-tumor metastasis role by significantly inhibiting the adhesion of tumors to endothelium, platelets and the like and tumor angiogenesis, so as to use S-dFCS as an active substance, prepare a medicine or a health product with the aid of a pharmaceutically acceptable carrier, and be capable of being used for preventing and treating tumors and diseases related to postoperative metastasis.

The invention discloses a molecular identification method for organic sulfate in PM2.5 based on LC-MS / MS. The molecular identification method is characterized by comprising the following steps: firstly, carrying out ultrasonic-assisted extraction on an atmospheric fine particulate matter sample by adopting ultrapure water, carrying out centrifugal separation, taking supernate, and filtering through a 0.45 mu m microporous filter membrane; then purifying the filtrate through a solid-phase extraction column, and purging and concentrating the collected eluent through nitrogen until the eluent is in a near-dry state to complete the enrichment of a target object; an LC-MS / MS combined electrospray ionization source (ESI) is adopted to perform mass spectrometric analysis on organic sulfate in atmospheric fine particulate matters in a negative ion mode, and structure confirmation of a target compound is realized. Compared with direct adoption of high-resolution mass spectrometry (FT-ICR MS), the method has the advantages that the sample pretreatment process is simplified, the analysis efficiency is remarkably improved, the powerful separation advantage and the high reliability advantage of LC-MS / MS are fully played, the organic sulfate in a complex matrix can be accurately identified, high-throughput and high-selectivity detection of the organic sulfate in the PM2.5 sample is achieved, and the method is suitable for large-scale popularization and application. The structure confirmation of the organic sulfate can be realized, and an analysis and confirmation integrated molecular identification method for the organic sulfate in the PM2.5 sample is provided.

The present application discloses an electrolyte solution, a battery and an electrical device. The electrolyte solution includes a first additive, a second additive and a third additive. The first additive includes a sulfate ester compound. The second additive includes:where Z1-Z4 each independently include an oxygen atom or a sulfur atom. The third additive includes at least one of fluorosulfonate, tetrafluoroborate, difluorophosphate, difluoro(oxalato)borate, bis(oxalato)borate and difluorobis(oxalato)phosphate. Based on the total mass of the electrolyte solution, content W1 of the first additive, content W2 of the second additive and content W3 of the third additive satisfy W1:W2:W3=1:(0.1-1.5):(0.02-2.5).