138 results about "Ester sulfate" patented technology

The invention provides a secondary battery and an electric device. The secondary battery comprises a battery shell with a containing cavity, a battery core assembly located in the containing cavity and an electrolyte containing a first additive, wherein the first additive comprises a sulfate compound; wherein, based on the total mass of the electrolyte, the ratio W / R of the mass content W of the sulfate compound to the residual space R is in the range of 0.03%-40%, so that the obtained secondary battery has both the service life and the energy density.

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 polycarbonate polyether sulfate salt surfactant as well as a preparation method and application thereof, and belongs to the technical field of surfactants. The polycarbonate chain segment endows the polymer with certain rigidity and stability, the polyether chain segment provides good hydrophilicity and flexibility, and the sulfate salt group enhances the surface activity of the polymer. The polycarbonate polyether sulfate salt surfactant provided by the invention is strong in emulsibility, good in low-temperature solubility and strong in capability of reducing surface tension at low concentration, a rigid structure of a polycarbonate chain segment can be more easily decomposed by microorganisms, environmental residues are reduced, and the surfactant is environment-friendly. The method can be used in the fields of personal care products, household cleaning products, textile printing and dyeing assistants, coating and ink assistants or oil displacement agents for oil fields.

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.

In order to solve the problem that an existing high-voltage lithium ion battery is insufficient in high-temperature performance and safety performance, the invention provides a cyclic carbonate-sulfate compound and a preparation method and application thereof, a non-aqueous electrolyte and a secondary battery, and the cyclic carbonate-sulfate compound comprises a compound as shown in a chemical formula 1, the specific rotation [alpha] of the cyclic carbonate-sulfate compound is + 7.310 degrees mL / (dmg)-+ 7.982 degrees mL / (dmg); # imgabs0 # chemical formula 1; the compound as shown in the chemical formula 1 comprises a characteristic structure compound, and the characteristic structure compound is selected from a compound as shown in a structural formula 3; and # imgabs 1 #. When the cyclic carbonate-sulfate compound provided by the invention is used as an electrolyte additive, a formed solid electrolyte membrane is smoother and more ordered, so that the cyclic carbonate-sulfate compound has higher high-temperature stability, especially membrane layer stability under a thermal shock condition.

The invention discloses a preparation method of a fucoidan oligomer, which realizes efficient degradation of fucoidan under specific conditions by strictly controlling the addition amount of TEMPO, sodium bromide and sodium hypochlorite. Specifically, the ratio of the addition amount of TEMPO to the mass of fucoidan sulfate is 0.5-5%, the ratio of sodium bromide to fucoidan sulfate is 5-40%, the use amount ratio of fucoidan sulfate to sodium hypochlorite is 1 g: (0.1-10) mmoL, strong acid or enzyme preparations do not need to be added, and auxiliary means such as microwaves or ultrasound are not depended on, so that the preparation process is simple, and the preparation cost is low. The oligomer with the average molecular weight lower than 80 kDa can be obtained within one hour, the oligomer with the average molecular weight about 20 kDa can be obtained within four hours, and meanwhile the content of sulfate groups is kept to be about 25%. The functional groups of the fucoidan are hardly damaged, and the prepared oligomer has a remarkable effect in the aspect of in-vitro anticoagulant activity.

The synthesis method comprises the following steps: reacting a sulfonyl chloride intermediate with a red phosphorus-iodine-acetic acid reduction system to obtain an ethyl sulfate intermediate, and reacting the ethyl sulfate intermediate with 3-(2-chloropropionamido) methyl propionate in the presence of an organic alkali and an organic solvent to obtain the dithiobac-methyl. According to the synthesis method disclosed by the invention, the ethyl sulfate intermediate obtained by reducing the sulfonyl chloride intermediate directly reacts with the methyl 3-(2-chloropropionamido) propionate to obtain the dithiobac-methyl, so that the acidolysis step is reduced, the operation process is greatly simplified, the defect that disulfide impurities are easily generated by a sulfydryl intermediate is overcome, and the yield of the dithiobac-methyl is improved. And the fluopyrithiobac-methyl with relatively high purity can be obtained.

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.

Provided are: a bubble-containing hydraulic composition in which the specific gravity of a bubble-containing hydraulic composition hardened body is low, and the diameter of bubbles in the bubble-containing hydraulic composition hardened body is large; and a method for producing the bubble-containing hydraulic composition hardened body. Provided is a bubble-containing hydraulic composition containing a hydraulic powder, water, and (A) an alkyl or alkenyl sulfate ester or a salt thereof (hereinafter referred to as component (A)), the present invention is characterized by containing (A1) an alkyl or alkenyl sulfate having a C10 alkyl or alkenyl group or a salt thereof (hereinafter referred to as component (A1)) and (A2) an alkyl or alkenyl sulfate having a C12 alkyl or alkenyl group or a salt thereof (hereinafter referred to as component (A2)), the total content of component (A1) and component (A2) in component (A) being 99 mass% or more. The mass ratio (A1) / (A2) of the content of the component (A1) to the content of the component (A2) is 0.2-2.4 (inclusive).

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 relates to the field of medicine and personal care products, and provides soothing and moisturizing bath oil capable of assisting in improving atopic dermatitis, the soothing and moisturizing bath oil is composed of grease, a surfactant, an emulsifier, an active functional component and a solvent, the grease comprises caprylic / capric triglyceride, jojoba oil and tocopheryl acetate; the surfactant is prepared from lauryl alcohol polyether sulfate (TIPA) salt and cocamide (MEA); the emulsifying agent is prepared from lauryl alcohol polyether-4 and cetearyl alcohol; the bath oil can relieve clinical symptoms of atopic dermatitis patients, such as pruritus, skin flushing and dryness, is high in comfort level and good in moisturizing performance, has the effects of increasing the water content of cuticle and promoting barrier repair, avoids further damage of skin barriers caused by excessive cleaning, can be used as a basic product for daily nursing of children with atopic dermatitis, and has a wide application prospect in daily nursing of children with atopic dermatitis. The invention further provides active ingredients of the bath oil and a preparation method of the bath oil.

To overcome the problems of insufficient high-temperature performance and safety performance existing in existing high-voltage lithium-ion batteries, the present invention provides a cyclic carbonate-sulfate compound and its application, a non-aqueous electrolyte, and a secondary battery. The cyclic carbonate-sulfate compound includes the compound shown in Chemical Formula 1, and the specific rotation α of the cyclic carbonate-sulfate compound is -7.982°∙mL / (dm∙g) to +7.982°∙mL / (dm∙g); Chemical Formula 1. When the cyclic carbonate-sulfate compound provided by the present invention is used as an electrolyte additive, the formed solid electrolyte membrane is smoother and more orderly, and thus has higher high-temperature stability, especially the film layer stability under thermal shock conditions.

The present invention provides an electrolyte additive, which is characterized by comprising a substance represented by the following formula (1), and in the formula (1), R1 is selected from a substituted or unsubstituted five-membered heterocyclic group, a substituted or unsubstituted six-membered heterocyclic group, or a substituted or unsubstituted amino group; l is a sulfonyl group, a sulfate group or a sulfonate group; r2 is selected from a substituted or unsubstituted C1-18 alkyl group, a substituted or unsubstituted C1-18 alkoxy group, a substituted or unsubstituted conjugated five-membered carbocyclic group or heterocyclic group, a substituted or unsubstituted conjugated six-membered carbocyclic group or heterocyclic group, a di (C1-C6 alkyl) amino group, a di (C6-12 aryl) amino group, a tri (C1-C6 alkyl) silyl group, a substituted or unsubstituted C3-6 alkenyl group, and a substituted or unsubstituted C3-6 alkynyl group; or a substituted or unsubstituted ester group. According to the electrolyte additive, the electrolyte and the lithium ion secondary battery comprising the electrolyte additive, the electrolyte and the lithium ion secondary battery, an electrode is better protected, the cycle performance of the battery is improved, and relatively low post-cycle impedance is realized. And R1-L-R2 (1).

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.

In order to overcome the problem of insufficient high-temperature storage and high-temperature cycle performance of existing batteries, the present invention provides a non-aqueous electrolyte, including a solvent, an electrolyte salt, a first additive and a second additive, wherein the first additive is selected from at least one of the compounds shown in Structural Formula 1: A-D-B-E-C Structural Formula 1 wherein A, B, and C are each independently selected from a group containing a cyclic carbonate group, a cyclic sulfate group, a cyclic sulfite group, a cyclic sulfonate group, a cyclic sulfone group, a cyclic sulfoxide group, a cyclic carboxylate group or a cyclic anhydride group; D and E are each independently selected from a single bond, or a group containing an alkylene group, an ether bond, a sulfur-oxygen double bond or a carbon-oxygen double bond; the second additive is selected from at least one of the sulfate / sulfonate compounds shown in Structural Formula 2 and the phosphate compounds shown in Structural Formula 3. The electrolyte can effectively improve the high-temperature storage and high-temperature cycle performance of the battery.

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.

To provide functional materials containing pulp on which metal ions other than alkali metal ions are carried without interposing inorganic porous crystals or the like.SOLUTION: Functional materials of the present invention comprise a metal ion-loaded pulp in which metal ions other than alkali metal ions are carried onto pulp in which at least a portion of the hydroxyl groups of cellulose has been substituted with sulfate ester groups, and it exhibits at least one function selected from the group consisting of deodorizing, antibacterial and antifungal properties.SELECTED DRAWING: None

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);

The invention provides a secondary battery. The secondary battery comprises a negative pole piece and an electrolyte, wherein the negative pole piece comprises a silicon-carbon composite material with a three-dimensional network cross-linked pore structure; the electrolyte includes a first component including a cyclic functional group including a sulfate group or a sulfonate group. Through the cooperation of the three-dimensional network cross-linked pore structure of the silicon-carbon composite material and the first component in the electrolyte, the volume effect of the active material in the charge-discharge process is inhibited, the interface stability is improved, and the cycle capacity retention rate and the storage capacity retention rate at high temperature of the battery are improved.

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.