132 results about "Carboxylic salt" patented technology

The invention relates to a particulate composition comprising, or substantially consisting of, urea, an inhibitor, preferably a urease inhibitor and / or a nitrification inhibitor, and an additive, wherein the additive comprises components (i) and (ii): (i) a carboxylic acid or an anhydride, salt, or derivative thereof; preferably a carboxylic acid salt or a carboxylic acid derivative, more preferably a carboxylic acid salt; and (ii) a polar polymer; preferably a water-soluble polar polymer. The invention further relates to a process for preparing the particulate composition, an additive for a particulate composition, and the use of the particulate composition as a fertilizer.

The invention relates to the technical field of paint preparation, in particular to a preparation method for removing harmful gases from paint, which comprises the following steps: preparing functional components for removing harmful gases, and weighing nano titanium dioxide, activated carbon and modified montmorillonite according to the mass ratio of (5-10): (2-5): (1-3); the preparation method comprises the following steps: preparing a resin base material: weighing 30-50 parts by mass of hydroxy acrylic resin, 10-20 parts by mass of polyurethane resin, 20-30 parts by mass of deionized water and 5-10 parts by mass of ethanol; preparing a coating premix: adding 1-3 parts by mass of a polycarboxylate dispersant and 0.5-2 parts by mass of an organic silicon defoaming agent into the resin base material; and preparing a finished product coating: adding 0.5-2 parts by mass of an acrylate leveling agent, 1-4 parts by mass of a hydroxyethyl cellulose thickening agent and 0.5-1.5 parts by mass of an isothiazolinone mildew preventive into the coating premix. The coating disclosed by the invention has the following beneficial effects that the coating can cope with a complex scene in which indoor multi-component pollutants coexist; the problem of harmful gas desorption after adsorption saturation of a single material is avoided, and the purification validity period is prolonged.

According to the present invention, a moderately high polishing speed for a specific material and appropriate ratio of polishing speeds between two or more different materials are achieved in polishing using a polishing composition. The present invention relates to a polishing composition comprising abrasive grains, a water-soluble polymer having no alcoholic hydroxyl group in a side chain, a polyvalent carboxylic acid (salt), and an oxidizing agent, and having a pH of less than 6.

To provide a carboxylate that can produce a resist pattern having excellent mask error factors, a carboxylic acid generator and a resist composition comprising the same.SOLUTION: The present invention discloses a carboxylate illustrated by formula I-4, and a carboxylic acid generator.SELECTED DRAWING: None

The application provides a solid electrolyte membrane and a preparation method thereof, a secondary battery and an electric device. The solid electrolyte membrane of the application comprises the following components: polyvinylidene fluoride or a copolymer thereof, polyimide or a copolymer thereof, an electrolyte salt, and an aminopolycarboxylate. The solid electrolyte membrane is prepared by taking polyvinylidene fluoride or a copolymer thereof as a matrix, and adding polyimide and an aminopolycarboxylate to improve the crystallization performance of polyvinylidene fluoride, so that a dense, high Young's modulus, flame-retardant composite polymer electrolyte membrane is obtained. The solid electrolyte membrane prepared by the application has a Young's modulus of ≥ 9.5 GPa at a thickness of 10 μm, an ionic conductivity of > 4*10 ‑4 S / cm at 25 ℃, and a capacity retention rate after 600 cycles at 1 C, all of which are above 85%.

To provide a carboxylate that makes it possible to produce a resist pattern having excellent line edge roughness, a carboxylic acid generator and a resist composition comprising the same.SOLUTION: The present invention discloses, for example, a carboxylate represented by formula (I-1).SELECTED DRAWING: None

The invention relates to the technical field of perfluoro fine chemical engineering, in particular to a method for preparing a perfluoro organic carboxylic acid compound from perfluoro organic carboxylic ester, and particularly relates to a method for preparing a reactive perfluoro organic carboxylic acid compound from perfluoro organic carboxylic ester. The method comprises the following steps: carrying out hydrolysis reaction on perfluorinated organic carboxylate and an alkaline aqueous solution to generate a perfluorinated organic carboxylate solution, drying the generated perfluorinated organic carboxylate solution, preparing a perfluorinated organic carboxylate aqueous solution again, and carrying out ion exchange with hydrogen-type cation exchange resin to convert the perfluorinated organic carboxylate aqueous solution into a perfluorinated organic carboxylic acid aqueous solution. And performing post-treatment on the perfluorinated organic carboxylic acid aqueous solution to obtain the perfluorinated organic carboxylic acid compound. The preparation process of the method does not involve organic solvents such as sulfuric acid, hydrochloric acid and other acidic solutions, and the method has the advantages of simple operation, stable process, high product purity, safety, short reaction time, high yield and the like.

This invention relates to the field of automatic control technology, specifically to a method for stabilizing and controlling the effective chlorine content of sodium hypochlorite solution. During the cooling stage of the sodium hypochlorite solution, an online electrochemical sensor acquires the concentration signal of free trace metal ions in the solution. When the signal reaches a preset threshold of the controller, the controller instructs a peristaltic pump to add a compound stabilizer to the solution. The compound stabilizer is prepared by mixing a specific short peptide containing cysteine ​​and histidine with a silicate buffer solution. After adding the compound stabilizer, the solution undergoes short-term ultrasonic cavitation treatment. This method uses a specific short peptide instead of traditional aminopolycarboxylate salts, avoiding the breaking and failure of carbon-nitrogen bonds under strong oxidizing conditions, preventing secondary release of metal ions that could trigger catalytic decomposition, extending the effective chlorine half-life, and reducing the amount of chlorate byproducts generated.

The invention relates to the technical field of aluminum electrolytic capacitor processing, and discloses a branched-chain carboxylate composite high-temperature-resistant aluminum electrolytic capacitor electrolyte and a preparation method thereof. Branched-chain carboxylate ammonium salt with a specific steric hindrance structure is used as a composite main solute; the steric hindrance effect brought by the branched chain structure greatly enhances the thermal stability of carboxylate anions and ammonium ions at a high temperature, the upper limit of the working temperature of the aluminum electrolytic capacitor can be stably increased to 135 DEG C or above, and the branched chain carboxylate can still keep high dissociation degree and ion mobility at a high temperature. The high-temperature ESR of the capacitor can be remarkably reduced by combining the optimally selected high-boiling-point and medium-viscosity solvent combination, the dynamic repair of the aluminum oxide dielectric layer on the surface of the anode foil can be promoted by adding the efficient film forming accelerant, the leakage current of the capacitor at the high temperature is greatly reduced, all the additives play a complementary role around the main solute, and the service life of the capacitor is prolonged. And an efficient and stable high-temperature-resistant electrolyte system is jointly constructed.

To provide carboxylate, a carboxylic acid generator and a resist composition including the same from which a resist pattern having an excellent mask error factor (MEF) can be produced.SOLUTION: Carboxylate expressed by a formula (I-4100) and synthesized as in the formula is shown, for instance.SELECTED DRAWING: None

The invention relates to an n-p type hydrogel thermogalvanic battery module as well as preparation and application thereof. The n-p type hydrogel thermogalvanic battery module comprises an n type hydrogel thermogalvanic battery and a p type hydrogel thermogalvanic battery, wherein hydrogel in the n-type hydrogel thermogalvanic battery is a network skeleton, the n-type hydrogel thermogalvanic battery is constructed by Fe < 3 + > / Fe < 2 + > redox ion pairs, hydrogel in the p-type hydrogel thermogalvanic battery is a network skeleton, and Fe < 3 + > / Fe < 2 + > and carboxylate are complexed to construct the p-type hydrogel thermogalvanic battery. The n-p hydrogel pyrogalvanic battery module provided by the invention has high thermoelectric performance and can be applied to the field of information encryption.

This invention discloses a polyolefin composite material, its preparation method, and its application. The polyolefin composite material comprises the following components by weight: 88-112 parts polyolefin resin; 0.5-4 parts organic pigment yellow; 0.1-1.5 parts phthalocyanine green; and 1-15 parts dispersing agent. The dispersing agent comprises polar-group grafted olefin polymers and / or aromatic cyclic olefin copolymers. The polar groups in the polar-group grafted olefin polymers include one or more of the following: phosphate ester groups, phosphate groups, sulfonic acid groups, sulfonate groups, carboxylic acid groups, carboxylate groups, amino groups, quaternary ammonium salt groups, amide groups, acrylic acid groups, or maleic anhydride groups. This invention, by adding specific dispersing agents to a high-chroma polyolefin system, obtains a polyolefin composite material with high chroma and good precipitation performance.

The utility model discloses a macromolecule polycarboxylate dispersing agent solid pulverizer which comprises a processing unit, the processing unit comprises a pulverizing tank and a feeding pipe fixedly communicated with the top of the pulverizing tank, the top of the pulverizing tank is fixedly connected with a door-shaped frame, and an electric telescopic rod is fixedly installed on the top of the inner wall of the door-shaped frame; and the bottom of the crushing tank fixedly communicates with a discharging pipe and a crushing unit, the crushing unit comprises a servo motor fixedly connected to the output end of an electric telescopic rod, the side wall of an inner cavity of the crushing tank is fixedly connected with a fixing plate, and one side of the fixing plate is fixedly connected with a cylinder. The blade is driven by the servo motor to rotate so as to smash a polycarboxylate dispersant solid, the blade is far away from the polycarboxylate dispersant solid at the bottom, and the driving component drives the sieve plate to shake, so that the smashed polycarboxylate dispersant solid can be quickly sieved.

The application discloses a high-capacity lithium-rich manganese-based positive electrode material and a preparation method thereof, and belongs to the technical field of lithium ion battery positive electrode materials. The method comprises the following steps: dissolving manganese salt, nickel salt and cobalt salt in deionized water to stir and obtain a metal salt solution, and dissolving a precipitant in deionized water to obtain a precipitant solution; mixing the precipitant solution, the metal salt solution and a carboxylate solution and stirring to obtain a carboxylate precursor; mixing the carboxylate precursor with a lithium salt and a phosphate solution, and drying to obtain a lithium-phosphorus precursor; and placing the lithium-phosphorus precursor into a sintering furnace to sequentially perform pre-sintering and high-temperature sintering, and obtaining the high-capacity lithium-rich manganese-based positive electrode material after cooling. The application continuously constructs the carboxylate precursor and the lithium-phosphorus precursor, improves the mixing uniformity of raw materials and the consistency of sintering reaction, and is beneficial to obtaining the lithium-rich manganese-based positive electrode material with high capacity and stable structure.

The invention discloses nutritional dredged sediment modified carbon-sequestration ecological concrete and a preparation method thereof. The carbon-sequestration ecological concrete is prepared from the following components in parts by weight: 180 to 200 parts of coarse aggregate, 70 to 90 parts of cementing material, 10 to 15 parts of nutritional modified dredged sediment, 28 to 32 parts of water and 3 to 6 parts of polycarboxylate water reducing agent, the preparation method of the nutritional modified dredged sediment comprises the step of soaking dried dredged sediment in a composite modification solution, wherein the composite modification solution consists of 80-100g / L of diammonium phosphate solution and 0.2-0.5% of chitosan solution. The dredged sediment is subjected to nutritional modification treatment through the composite modification solution, then the carbon-sequestration ecological concrete is prepared, the compressive strength, the supporting performance and the activation effect on carbon-sequestration functional microorganisms are improved, and high-value resource utilization of waste is achieved.

The application relates to a preparation method of a flame-retardant modified polyisocyanate, and belongs to the technical field of polyurethane elastomers. Nano-composite flame retardants are chemically grafted through the reaction of hydroxyl groups and isocyanate groups in polyisocyanate segments, can be uniformly dispersed in a hydrophilic system, and avoid agglomeration and sedimentation caused by physical mixing. Not only is the dispersibility of the nano-composite flame retardants in polymers improved, but also the interfacial bonding force between the two is improved. 2,2-dimethylol propionic acid is covalently grafted to the polyester side chain of the polyisocyanate through the esterification reaction of hydroxyl groups, pyromellitic anhydride and trimethylolpropane, is converted into a carboxylate after neutralization, and the dispersibility in water is improved. The branched main chain of the comb-shaped polyisocyanate and the side chain polyester unit form a large steric hindrance, further weaken the van der Waals force between molecules, enhance the repulsion between particles, avoid molecular aggregation, and make the flame-retardant modified polyisocyanate form a stable and uniform dispersion liquid in deionized water.

A stable dry composition is provided. This composition comprises one or more viable microorganisms, at least 50% by weight of one or more hydrolyzed proteins, and less than 10% by weight of one or more sugars selected from the group consisting of monosaccharides, disaccharides, and combinations thereof, each weight percentage based on the total weight of the dry composition. Preferably, the composition contains no monosaccharides or disaccharides. The composition may further comprise one or more oligosaccharides, one or more polysaccharides, one or more carboxylic acid salts, or a combination thereof. The composition may have a viability of at least 1 x 10¹⁰ CFU / g and a loss of viability of less than 1 log unit / g after 84 days at 40°C and 33% relative humidity. Methods for preparing the stable dry composition are also provided.

The present application relates to the technical field of industrial circulating cooling, and discloses an organic carboxylic acid salt industrial circulating cooling liquid and a preparation method thereof. The modified humic acid-based corrosion and scale inhibitor is obtained by introducing acrylic acid and naphthyridine sodium sulfonate functional monomers into humic acid as a skeleton, using a thiourea-based silane cation crosslinking agent as a crosslinking agent, and forming a three-dimensionally crosslinked copolymer through free radical graft copolymerization. The organic carboxylic acid salt industrial circulating cooling liquid is obtained by compounding the modified humic acid-based corrosion and scale inhibitor, a defoaming agent and potassium formate as a core antifreezing agent. Through the synergistic effect of multiple groups, the scale inhibition and corrosion inhibition performance are simultaneously improved.

Described herein is an aqueous composition and a method of making a sol-gel coating. The aqueous composition comprises (a) an organometallic salt, wherein the organometallic salt comprises an acid-stable metal alkoxide, a metal carboxylate, or a mixture thereof; and (b) an aminosilane, wherein the aqueous composition has a pH less than or equal to 7. Such sol-gel coating compositions can be used to adhere an organic resin to a metal substrate.

The invention provides desulfurization solution erosion resistant concrete and a preparation method thereof. The desulfurization solution erosion resistant concrete is suitable for coke oven gas desulfurization solution alkaline and various composite salt ion erosion environments. The concrete is formed by compounding water, cement, fly ash, superfine slag powder, a capillary crystalline material, limestone coarse aggregate, limestone fine aggregate and a polycarboxylate water reducing agent according to a preset weight part ratio, the selection of the limestone aggregate ensures the stability of the aggregate structure in alkaline and salty erosion environments, and the synergistic effect of fly ash and superfine slag powder in the admixture ensures the stability of the aggregate structure in the alkaline and salty erosion environments. The compactness and the composite salt corrosion resistance of the concrete are improved, and the composite salt ion penetration resistance is enhanced through internal doping of the capillary crystalline material. According to the preparation method, the concrete with stable performance is obtained by premixing part of the cement and the capillary crystalline material, sequentially mixing and performing standard curing. The durability and the service life of the concrete under the erosion condition of the coke oven gas desulfurization liquid are remarkably improved, the environmental pollution is reduced, and good economic benefits and application prospects are achieved.

The invention relates to the technical field of secondary aluminum ash recovery, in particular to a catalyst for promoting secondary aluminum ash hydrolysis and a preparation method and application thereof, and the catalyst comprises a modified mesoporous silica carrier and an active component loaded on the carrier; the modified mesoporous silica carrier is obtained by grafting amino and sulfo bifunctional groups on the surface of the mesoporous silica carrier; the active components comprise modified sodium metaaluminate, copper salt, hydroxylated sodium alkyl benzene sulfonate and polycarboxylate; the modified sodium metaaluminate is prepared from triethanolamine and sodium metaaluminate through a coordination effect; the hydroxylated sodium alkyl benzene sulfonate is prepared by carrying out hydroxylation reaction on sodium alkyl benzene sulfonate and a hydroxylation reagent. The catalyst is prepared by loading the modified sodium metaaluminate, the copper salt, the hydroxylated sodium alkyl benzene sulfonate and the polycarboxylate active components with the modified mesoporous silica, and the hydrolysis rate of elemental aluminum and aluminum nitride is increased by catalyzing secondary aluminum ash hydrolysis.

A moisture absorption device according to the present disclosure is provided with: a first humidity control unit through which air flows and which has a first humidity control material that adsorbs or releases moisture in the air; a second humidity control unit that causes air to flow through a flow path different from that of the first humidity control unit and that has a second humidity control material that adsorbs or releases moisture in the air; and a switching unit that switches the circulation of the air to the first humidity control unit or the second humidity control unit, the first humidity control material having a first humidity control component, the second humidity control material having a second humidity control component, the first humidity control component being a carboxylic acid salt, the second humidity control component being a substance other than a carboxylic acid salt, and the first humidity control component being a carboxylic acid salt. And the switching part is used for switching from the first humidity adjusting part to the second humidity adjusting part or switching from the second humidity adjusting part to the first humidity adjusting part according to the relative humidity in the air.

To provide a resist composition capable of producing a resist pattern having good line edge roughness.SOLUTION: The resist composition contains a resin containing a structural unit derived from a compound represented by a specific structure and a structural unit represented by formula (a1-2), an acid generator, and a carboxylate salt generating an acid weaker in acidity than an acid generated from the acid generator. [In the formulae, La2 represents -O - or the like; Ra7 represents an alkyl group, an alkenyl group, an alicyclichydrocarbon group, or the like; n1 represents an integer of 0 to 10; and n1 ' represents an integer of 0 to 3.]. ] SELECTED DRAWING: None

The present application relates to a capped polyisocyanate composition, a hydrophilic polyisocyanate composition, a resin composition, a resin film, and a laminate. The capped polyisocyanate composition comprises an anionic dispersant and a capped polyisocyanate derived from a polyisocyanate and one or more kinds of a capping agent comprising (A) a compound represented by the following general formula (I) (in the formula, R 11 represents an alkoxy group or the like, R 12 represents a hydrogen atom or the like, R 13 and R 14 represent an alkyl group or the like) or (B) a compound having a heterocycle containing one or more nitrogens, a water solution of the anionic dispersant containing water and 0.1% by mass of the anionic dispersant with respect to the total mass of the water solution has a surface tension of 32 mN / m or more and 51 mN / m or less at 25°C as measured by the Wilhelmy method, and when the capping agent is (B) a compound having a heterocycle containing one or more nitrogens, the capped polyisocyanate composition further comprises a carboxylate salt.

The present application belongs to the technical field of paint, and particularly relates to a water-based two-component modified polyurethane wood surface coating and a preparation method thereof. The water-based two-component modified polyurethane wood surface coating provided by the present application is composed of component A and component B in a weight ratio of 100:(10-25), wherein the component A comprises a hydroxyl-containing water-based resin, functional fillers, a dispersing agent, a wetting agent, a leveling agent, a defoaming agent, a thickening agent, a film-forming aid, a pH regulator, a bactericide and water; and the component B is a modified isocyanate curing agent. By adding amino polyurea microspheres as the functional fillers, the abrasion resistance, water resistance and scratch resistance of the paint film are improved; by using carboxylate hydrophilic modified isocyanate curing agent, the problem of poor solubility of isocyanate in water is solved, and the mixing uniformity and storage stability of the component A and the component B are improved.

Direct emulsion comprising a UV filter, a lipophilic acrylic polymer, a fatty acid and polyol ester and an anionic carboxylic surfactant, of pH greater than or equal to 6. The present invention relates to a composition, in particular cosmetic or dermatological, in the form of an oil-in-water emulsion, comprising: - at least one UV filter; - at least one polymer comprising monomeric units of formulas (A) and (B): in which: R1, independently of each other, is selected from alkyl or alkenyl radicals, and at least 60% by weight of the R1 groups are radicals selected from stearyl and behenyl radicals, the percentage by weight relating to the sum of all the R1 groups present in the polymer, and the weight ratio of the sum of all the hydroxyethyl acrylate units to the sum of all the acrylate units bearing the R1 group ranges from 1:30 to 1:1;and the sum of the total units A and B is at least 95% by weight of the total weight of the polymer, the polymer having a number-average molecular weight Mn ranging from 2,000 to 9,000 g / mol; - at least one C12-C24 fatty acid ester and C2-C24 polyol ester; and - at least one anionic carboxylic surfactant or carboxylate selected from amino acids modified by at least one C8-C30 hydrocarbon chain and their salts; the pH of the composition being greater than or equal to 6.

A positive electrode sheet in the secondary battery includes a positive electrode current collector, a positive electrode active material layer, and a positive electrode tab, where the positive electrode active material layer is disposed on at least one surface of the positive electrode current collector. The positive electrode active material layer is provided with a first groove exposing the positive electrode current collector. The positive electrode tab is disposed in the first groove and connected to the positive electrode current collector. An insulating tape is provided on each of a surface of the positive electrode tab and a region, corresponding to the first groove, of a surface of the positive electrode sheet away from the positive electrode tab. A melting point of the insulating tape is 250° C. to 450° C. An electrolyte includes carbonate and carboxylate.

The invention discloses a blocking remover for powder and a preparation method of the blocking remover. A carboxylate-sulfonate-acrylic ester terpolymer; an organic alcohol solvent; the additive is prepared by mixing and stirring a surfactant, a clay stabilizer, a pH regulator, a synergist and water. Wherein the cation part of the tetrazole acetic acid quaternary ammonium salt contains C4-C8 alkyl hydrophobic chains, and the hydrophobic chains conveniently penetrate through powder blockages wrapped by an oil film, so that the blockage removal efficiency is better improved; when the tetrazole acetic acid quaternary ammonium salt is cooperated with the carboxylate-sulfonate-acrylate terpolymer, due to the fact that the tetrazole acetic acid quaternary ammonium salt is of a carboxylate-sulfonate-acrylate terpolymer comb-shaped structure, and a side chain contains 2-4 ethylene oxide units, electrostatic adsorption and Van der Waals' force among powder can be better destroyed, meanwhile, a space hydration layer can be formed, and the electrostatic adsorption performance of the powder is improved. Secondary aggregation of the powder is prevented; the dispersion efficiency is improved.

The invention provides a method for realizing electrocatalytic acetylene coupling by using a copper-based small organic molecule catalyst, which comprises the following steps of: carrying out bidentate coordination on a copper source and organic ligands such as carboxylic acid or carboxylate with different functional groups to controllably construct the copper-based small organic molecule catalyst, and taking a gas diffusion electrode prepared from the copper-based small organic molecule catalyst as a cathode to realize electrocatalytic acetylene coupling by using the copper-based small organic molecule catalyst. A current collector anode material matched with a supported metal is isolated by an exchange membrane in the middle to form a three-electrode flowing electrolytic tank, and efficient conversion of 1, 3-butadiene is realized through coupling reaction of electro-catalytic acetylene.

The application discloses a secondary battery, a preparation method and an electric device, and relates to the technical field of batteries. The secondary battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte, the negative electrode sheet comprises a negative electrode film layer, the negative electrode film layer comprises a negative electrode active material and a binder; and the binder comprises a polymer, and the polymer contains a benzene ring, a carboxylate group and a catechol group in a structural unit. The catechol group is introduced into the polymer, and catechol contains two adjacent phenolic hydroxyl groups. The structure enables the catechol to form a stable chelate with metal ions on the surface of a current collector. The chelation is combined with the metal ions through two oxygen atoms to form a ring structure, and the coordination stability is enhanced, thereby improving the bonding performance between the binder and the current collector. Therefore, the amount of the binder in the negative electrode sheet can be reduced while the bonding performance is ensured, and thus the DCR of the secondary battery is reduced.