135results about "Mixing" patented technology

A coating composition comprises: a fluoro-aliphatic group-containing copolymer comprising a repeating unit A corresponding to a fluoro-aliphatic group-containing monomer, and a repeating unit B corresponding to at least one monomer, wherein each of the I / O values of said at least one monomer constituting the repeating unit B is 1.0 or less.

A boron-containing polyethylene glycol fatty acid ester surfactant belongs to the field of organic chemistry and functional materials. The boron-containing polyethylene glycol fatty acid ester surfactant is prepared as follows: polyethylene glycol (PEG), boric acid and fatty acid are used as raw materials, first esterification reaction of the PEG and the boric acid is performed, then esterification reaction of the PEG and the fatty acid is performed to obtain boron-containing poly ethylene glycol fatty acid ester; by changing the species of fatty acids and catalysts and molecular weight of the PEG, the esterification rate can be enhanced, the boron-containing poly ethylene glycol fatty acid ester product can be used as a surfactant, and the boron-containing poly ethylene glycol fatty acid ester can reduce water surface tension and has good emulsifying properties.

The application relates to the technical field of lithium ion battery positive electrode materials, in particular to a compounded lithium iron phosphate dispersant as well as a preparation method and application thereof and a lithium iron phosphate positive electrode slurry. The compounded lithium iron phosphate dispersant forms a ternary synergistic system through accurate compounding of core components, realizes the synergistic effect of strong anchoring, stable electrostatic repulsion and excellent interface compatibility, is suitable for different types of lithium iron phosphate materials, and can prepare a high-solid-content and low-viscosity lithium iron phosphate positive electrode slurry.

Certain aspects of the present disclosure are related to systems and methods related to the removal of PFAS molecules. In one aspect, systems comprising a foam fractionation system are generally described. In some embodiments, the foam fractionation system comprises a vessel and / or a bubbler. The vessel, in accordance with certain embodiments, comprises an elongated portion and a body portion comprising a main body portion and a taper portion. The bubbler is configured to receive a gas input and inject bubbles into an interior volume of the vessel. An input liquid solution comprising one or more per- and / or polyfluoroalkyl substance (PFAS) molecules and a surfactant enters the foam fractionation system. The input liquid solution is treated by the foam fractionation system such that some or all of the PFAS molecules are separated into a foamate output. In some embodiments, a liquid output exiting the foam fractionation system comprises a relatively low amount, if any, of the PFAS molecules. In some embodiments, the liquid output and / or the foamate output is recycled (e.g., after one or more passes through one or more foam fractionation system).

An embodiment of the present invention pertains to a titanate compound fine particle powder containing a modified titanate compound powder. Specifically, the titanate compound fine particle powder provides a titanate compound powder dispersion capable of suppressing, with a small amount of a polymer dispersant, the aggregation and re-aggregation of particles. Another embodiment of the present invention pertains to a titanate compound powder dispersion that exhibits excellent dispersibility in various solvents. Still another embodiment of the present invention pertains to an economically and industrially advantageous method for producing a titanate compound fine particle powder. Provided is a titanate compound fine particle powder that contains a modified titanate compound powder including cellulose nanofibers and a titanate compound powder. The cellulose nanofibers and the titanate compound adhere to or adsorb to each other. The ratio of the total carbon content of the titanate compound fine particle powder and the BET specific surface area of the titanate compound fine particle powder is 0.006 or less. Also provided is a method for producing the titanate compound fine particle powder, the method including mixing an unmodified titanate compound powder and the cellulose nanofibers, and then drying the mixture.

The application provides a low pour point nonionic surfactant and a preparation method thereof, which is composed of the following raw materials in parts by weight: C13 isomeric fatty alcohol polyoxyethylene ether 18-30 parts, reverse EO / PO block copolymer 10-20 parts, sodium diisooctyl sulfosuccinate 1-7 parts, sodium dodecyl sulfonate 1-5 parts, glyceryl laurate 1-5 parts, isopropyl alcohol 5-10 parts, and propylene glycol 1-5 parts; the formula is constructed based on a nonionic surfactant as a main body, ion surfactants and additives are introduced, and the system is optimized, so that a low pour point nonionic surfactant with excellent adsorption capacity and decontamination capacity is obtained.

The application relates to the technical field of fine chemicals, in particular to a biomimetic amphoteric surfactant as well as a preparation method and application thereof; the preparation method of the biomimetic amphoteric surfactant comprises the following steps: reacting a fatty amine polyoxyethylene ether with a halogenated hydrocarbon to obtain a benzyl quaternary ammonium salt intermediate; cooling the benzyl quaternary ammonium salt intermediate, then adding phosphorus pentoxide to react; after the addition is completed, water is added, the reaction is continuously carried out, and the biomimetic amphoteric surfactant is obtained; the biomimetic amphoteric surfactant simultaneously integrates three characteristics of phosphate anion, polyether non-ion and benzyl quaternary ammonium salt cation, effectively solves the industry problem that traditional phosphates and cationic settling agents are incompatible, and is applied to metal processing fluid, can realize stable compounding with cationic settling agents while retaining excellent extreme pressure lubricity and hard water resistance, and can replace traditional extreme pressure agents such as environmentally-unfriendly chlorinated paraffin.

To provide a film-forming aid that can sufficiently lower the lowest film-forming temperature of an aqueous emulsion composition even with a small amount of addition of the film-forming aid.SOLUTION: A film-forming aid comprises a compound represented by formula (1): R1-O-(CH2-CH(R3)-O)n-R2, where R1 and R2 each denote a C1-8 linear or branched alkyl group, where at least one of R1 and R2 is a C3-8 branched alkyl group, with the total number of carbon atoms of R1 and R2 being 6 or more, R3 is hydrogen, a methyl group or an ethyl group, and n denotes an average added mol number of -(CH2-CH(R3)-O)-, which is a number from 2 to 4.SELECTED DRAWING: Figure 1

The present invention provides a perfluoropolyether compound that exhibits excellent surface tension reduction ability and excellent foaming properties and foam stability not only when diluted with freshwater but also with seawater, and a fluorine-based surfactant containing the compound. [Solution] A perfluoropolyetherdicarboxylic acid compound represented by the following formula (1) or a salt thereof. JPEG2026104874000023.jpg21118 (In the formula, Rf1 is a perfluoroalkyl group having 1 to 4 carbon atoms. R 1 R is a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms. 2 R is a substituted or unsubstituted hydrocarbon group having 1 to 6 carbon atoms. 3 and R 4 (where n is an integer from 0 to 5.)

The application belongs to the technical field of daily chemicals, and particularly relates to a high-temperature and mild alkyl glucoside sulfonate as well as a preparation method and application thereof. The alkyl glucoside sulfonate provided by the application is obtained by using the hydroxyl activity on the glucose unit of glucoside to perform chemical modification, and specifically, the alkyl glucoside is first subjected to intramolecular cross-linking by using 1,3-dichloro-2-propanol, and then subjected to anionization modification by using 3-chloro-2-hydroxypropanesulfonate sodium. The alkyl glucoside sulfonate prepared by the application has the advantages of mildness, low irritation, strong hard water resistance, good foaming performance, low skin penetration and small residual amount, can effectively solve the defects of strong penetration, strong deproteinization and delipidation, great damage to skin barrier and weak thickening effect of alkyl glucoside in personal cleaning products, and is very suitable for being widely used and popularized in daily chemicals.

The surfactant composition comprises 60% or more by weight, based on the total weight of the surfactant composition, of a surfactant; and 0.01% to 5% by weight, based on the total weight of the surfactant composition, of a hydroxylamine having Structure (I), wherein R1, R2, and R3 of Structure (I) are independently selected from the group consisting of H, an alkanolamine, or a hydroxylalkyl group having a straight or branched carbon chain having from 1 to 8 carbons; and R4 of Structure (I) is selected from the group consisting of an alkanolamine, or a hydroxylalkyl group having a straight or branched carbon chain having from 1 to 8 carbons.

This invention relates to a dispersant, its preparation method, and its application. The dispersant provided by this invention is based on acetylacetonate diol, which undergoes hydrogenation, ethoxylation, polyesterification, and phosphorylation to form an innovative twin-type dispersant. By adjusting the length of the polyether and polyester in the dispersant, this invention can effectively improve the compatibility between various components in coatings or battery slurries, thereby reducing viscosity and improving slurry stability. Specifically, for battery slurries, the dispersant prepared by this invention can prevent the agglomeration of positive and negative electrode active materials and conductive agents in the slurry through steric hindrance, thus improving the fluidity of the battery slurry, improving the slurry gelation, and enhancing viscosity stability. Therefore, it can achieve a lower viscosity at a higher solids content.

The present invention relates to colloidal dispersions comprising a plurality of precious group nanoparticles, wherein about 90% or more of the precious group metal is in fully reduced form; a dispersion medium comprising a polar solvent; a water-soluble polymer suspension stabilizing agent; and a reducing agent, wherein the nanoparticle concentration is at least about 2 wt. % of the colloidal dispersion, wherein the nanoparticles have an average particle size of about 1 to about 6 nm and at least 95% of the nanoparticles have a particle size within this range; and further wherein the colloidal dispersion is substantially free of halides, alkali metals, alkaline earth metals and sulfur compounds. Methods of preparing, further processing, and using such colloidal dispersions are also provided herein.

The application belongs to the technical field of barium compound preparation, and relates to a preparation method of nano barium sulfate. The method adopts an in-situ degradable dispersant based on a natural polysaccharide derivative, adsorbs on the surface of a barium sulfate crystal nucleus through a functional group in the reaction to inhibit agglomeration, adjusts the pH to 3.0-6.0 after the reaction is completed, and acid-catalytically hydrolyzes the dispersant into a water-soluble small molecule, so that a high-purity and high-dispersibility product can be obtained through simple water washing. The application introduces a natural polysaccharide derivative with a crystal face selective adsorption capacity and an acid-triggered degradation characteristic as an in-situ degradable dispersant, and constructs a new green preparation paradigm of nano barium sulfate with reaction-dispersion-self-cleaning integration. The method fundamentally eliminates the risk of organic impurity residue without sacrificing the dispersing performance, significantly improves the product purity and application safety, simultaneously simplifies the post-processing technology, reduces the energy consumption and wastewater treatment cost, and has both technical advancement and industrialization feasibility.

To provide a pigment dispersant allowing preparation of a pigment dispersion having good long-term storage stability while being capable of inhibiting aggregation of C.I. Pigment Orange 43 in a more convenient manner.SOLUTION: For example, the present invention provides at least one pigment dispersant selected from the group consisting of compounds represented by formula (1) in the figure and their metal salts, ammonium salts, organic amine salts and salts of organic quaternary ammonium compounds. (In formula (1), R1 to R4 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, a hydroxyl group or a halogen atom, and n represents a number from 0.5 to 3.)SELECTED DRAWING: None

The present invention relates to a dispersion comprising a copolymer and a non-polar solvent, a positive electrode slurry composition, a positive electrode, and a lithium secondary battery. The use of the dispersion according to the present invention enables a carbon material to be dispersed in a non-polar solvent and thus enables manufacturing of a lithium sulfide secondary battery comprising a carbon material.

To provide a dispersant for a power storage device electrode capable of scattering a carbon material system conductive material at a high level, and provide a manufacturing method.SOLUTION: The present invention provides a dispersant for a power storage device electrode, for scattering a carbon material system conductive material into a scattering medium in an aspect, in which a hydrocarbon group that the number of carbons is 1 or more and 10 or less is contained, and which is at least one type modified polymer of carboxymethyl cellulose and a salt of them. A replacement degree of a carboxymethyl group and their salt in the modified polymer is preferably 0.3 mol or more and 1.0 mol or less to one mol of absolute glucose unit of a cellulose.SELECTED DRAWING: None

The present disclosure generally relates to aqueous cationic polyacrylamide (CPAM) dispersions, methods of preparation and methods of use thereof, particularly in the paper industry. For example, these CPAM dispersions may be used in any of the following: (i) sticky control in paper manufacturing (ii) fixing in paper manufacturing, (ii) sludge dewatering, and / or (iii) oil-water separation. Moreover, the present disclosure generally pertains to CPAM dispersions, wherein such CPAM dispersions are aqueous dispersions which are shelf stable at room temperature, methods of preparation and methods of use thereof in papermaking applications and in products such as paper-based products. The disclosed CPAM dispersions may be used as retention aids in papermaking processes, may increase retention of starch to a formed paper web and / or board web, and may provide increased dry strength to paper-based products.

The present invention relates to a composition comprising a bio-based surfactant and manganese. The present invention further relates to a method for stabilizing the color of a composition comprising a bio-based surfactant, and to the use of manganese for stabilizing the color of a composition comprising a bio-based surfactant.

The present invention provides a manufacturing apparatus and method for manufacturing positive electrode materials for solid-state batteries that can shorten manufacturing time. [Solution] The positive electrode material manufacturing apparatus 100 for the solid-state battery 1 comprises a classifier 110 that classifies a mixed powder of positive electrode active material powder and solid electrolyte powder into coarse powder and fine powder, and a kneader 120 that kneads the fine powder and dispersion medium to produce a positive electrode slurry. The classifier 110 has a first container 111 into which the mixed powder is fed, with a plurality of openings 112 formed on the bottom surface through which the fine powder can pass, and a transducer 113 attached to the first container 111 that can vibrate at an ultrasonic frequency.

Pre-texturing agents, etchants, and photoresist stripping agents may be formulated to include one or more surfactants, from one or more surfactant classes, such as siloxane derivatives of amino acids that have surface-active properties.

The application discloses a non-ionic surfactant for new energy low-conductivity coolant, and the non-ionic surfactant is benzotriazole polyether, and has the following structure: wherein n is an integer of 5-30. A preparation method of the non-ionic surfactant for new energy low-conductivity coolant comprises the following steps: in the presence of trialkylamine, introducing ethylene oxide into a methyl benzotriazole melt to react, and refluxing the reaction mixture to obtain the benzotriazole polyether non-ionic surfactant. The application introduces ethylene oxide (ethoxylation) into the methyl benzotriazole, thereby increasing the solubility of the methyl benzotriazole, increasing the adsorption degree of the methyl benzotriazole on a metal surface, and improving the corrosion inhibition efficiency. In addition, the surfactant has good solubilization and directional adsorption capacity due to the unique amphiphilic property, and can also be used for corrosion inhibition.

Water-soluble dispersant comprising a polyether-modified polymer A and an amide polymer B; wherein raw materials for the production of the polyether-modified polymer A comprise a vinylbenzene monomer, an allyl succinic anhydride, an active polyether macromonomer and a monohydric alkyl alcohol, wherein the amide polymer B comprises a homopolymer of vinylpyrrolidone and / or a copolymer of vinylpyrrolidone.

This invention discloses a cashew phenol polyoxyethylene polyoxypropylene ether gemini cationic surfactant, its preparation method, and its application, belonging to the field of oilfield chemical technology. The cashew phenol polyoxyethylene polyoxypropylene ether gemini cationic surfactant provided by this invention has a structure as shown in general formula (I). This gemini cationic surfactant possesses excellent temperature and salt resistance, low interfacial tension, low adsorption loss, and good biodegradability, making it particularly suitable for fracturing fluids and oil displacement systems in high-temperature, high-salinity oil and gas reservoirs.

To provide a water dispersion containing sucrose fatty acid ester in high concentration that is excellent in productivity, storage stability, and workability and has low viscosity.SOLUTION: A water dispersion of sucrose fatty acid ester contains sucrose fatty acid ester, an anionic surfactant, and water. The anionic surfactant has an IOB value of 1.7 or more.SELECTED DRAWING: None

To provide a dispersion excellent in dispersion stability of a dispersoid and to provide a dispersant-containing liquid which can be suitably used for the preparation of the dispersion.SOLUTION: There is provided a dispersion containing a polyester as a dispersant, water, a dispersoid, wherein the polyester contains, as a monomer component, a first monomer having an aromatic ring in the side chain and a second monomer having at least one of a carboxyl group and a sulfo group which do not constitute an ester bond. The content of the first monomer relative to all monomers constituting the polyester is preferably 25 mol% or more and 75 mol% or less.SELECTED DRAWING: None