253 results about "Acid group" patented technology

The invention relates to the field of water treatment, and discloses a scale and corrosion inhibitor for seawater circulating cooling water, which is prepared from phosphonic acid grafted maleic anhydride-acrylic acid copolymer, hydroxyethylidene diphosphonic acid, amino trimethylene phosphonic acid, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N- The anti-corrosion coating is prepared from the following raw materials: N, N-diethylaminomethyl-benzotriazole, gamma-aminopropyltriethoxysilane, zinc salt and a polyoxyethylene-polyoxypropylene block copolymer. The core of the invention is that all the raw material components form the thermo-sensitive polyelectrolyte compound through a self-assembly process. The compound is stably dispersed at low temperature by utilizing the cloud point effect of the block copolymer, and is subjected to phase change and preferential deposition on a high-temperature heat exchange surface, so that targeted and efficient delivery of various active components is realized. According to the invention, the problems of incompatibility of components and poor stability of a traditional compound agent are solved, the product has excellent storage stability, and efficient and synergistic corrosion and scaling control can be realized under high-temperature and high-salinity working conditions.

A pigment dispersion liquid containing a copolymer (A) having a first segment (a1) derived from a nitrogen-containing polymerizable unsaturated monomer having a tertiary amino group and / or a nitrogen-containing heterocyclic group, and a second segment (a2) derived from a polymerizable unsaturated monomer having a polyoxyalkylene chain, a hydrocarbon group-containing acidic compound (B), a pigment (C), and an aqueous solvent (D), and a hydrocarbon group-containing acidic compound (B) having a C5-23 saturated or unsaturated hydrocarbon group (b1) and at least one acid group (b2) selected from the group consisting of a carboxyl group, a phosphate group, a sulfonic acid group, and a phenol group.

The invention relates to the technical field of admixtures for cement concrete, in particular to a polycarboxylic acid admixture for enhancing low-activity admixtures and a preparation method thereof, the polycarboxylic acid admixture is formed by polymerizing the following components: polyether macromonomer, unsaturated carboxylic acid I, exciting functional monomer A, slump retaining functional monomer B, rheological functional monomer C, oxidizing agent, reducing agent, chain transfer agent and water; the exciting functional monomer A, the slump retaining functional monomer B and the rheological functional monomer C are sequentially added, and the exciting functional monomer A is formed by polymerizing polyhydric alcohol, unsaturated carboxylic acid II, an initiator, phosphonic acid and an alcohol amine small monomer. Through molecular design, key functional groups such as phosphonic acid groups, amino groups and sulfonic acid groups are innovatively introduced into a polycarboxylic acid main chain, so that the polycarboxylic acid admixture has multiple synergistic functions of reducing the cement consumption, effectively activating a low-activity cementing material, stably improving the working performance of concrete and the like.

The invention relates to the technical field of blood purification materials, in particular to a zirconium-titanium bimetal MOF hollow microsphere adsorbent and a preparation method and application thereof. The adsorbent is based on a Zr / Ti bimetallic node and a phosphonic acid-carboxylic acid mixed ligand, a composite MOF hollow microsphere structure with high stability and high specific surface area is constructed through a solvothermal and polymerization synergistic reaction in a water-in-oil suspension system, a phosphonic acid group and Zr are strongly coordinated to improve the stability of a framework, and the composite MOF hollow microsphere structure has a high specific surface area. The carboxylic acid group keeps the hydrophilicity of the pore channel; meanwhile, a cross-linked network of acrylamide and N, N '-methylene bisacrylamide penetrates through crystal gaps in the balling process, so that the material has excellent mechanical strength and fluid stability; and a sulphobetaine amphoteric polymer brush layer is constructed on the surface of the MOF through endogenous initiation point modification and surface in-situ controllable free radical polymerization technologies, so that protein adsorption and platelet adhesion are effectively inhibited, the blood compatibility is remarkably improved, and meanwhile, the channel accessibility is maintained to promote rapid diffusion and adsorption of bilirubin.

The invention relates to the technical field of polyamide nanofiltration membranes, in particular to an acid and alkali resistant high-strength nanofiltration membrane and a preparation method thereof. The problem that the strength and the acid and alkali resistance of a polyamide nanofiltration membrane in the prior art cannot be considered at the same time is solved. The base membrane material of the polyamide nanofiltration membrane is modified polyethersulfone and is obtained by chemically bonding a carbon nanotube subjected to double surface modification by titanium dioxide sol-gel and a KH550 coupling agent in a polyester non-woven fabric, and the modulus of the material is improved by utilizing an inorganic-organic hybrid network; the functional layer of the polyamide nanofiltration membrane is made of modified polyamide, and the modified polyamide functional layer is formed by forming a polyamide matrix through polymerization reaction of 2, 2 '-disulfonic acid-4, 4'-diaminobiphenyl, piperazine and trimesoyl chloride and introducing 4-amino-2, 2, 6, 7-tetramethyl-1, 3-pentanediol at the same time. And the chemical resistance is improved by a free radical capturing group generated by 2, 2, 6, 6-tetramethylpiperidine and octa-isobutyl cage type silsesquioxane.

The present invention relates to a highly dispersible organic-inorganic hybrid nanoparticle radical scavenger having excellent low elution characteristics and reversible regenerability and to an electrode composition comprising same, the highly dispersible organic-inorganic hybrid nanoparticle radical scavenger comprising nanoparticles in which an oxide of cerium (Ce) and silicon (Si) and an oxide of at least one metal (M) selected from transition metals and lanthanides are combined, wherein the nanoparticles have at least one functional group selected from an alkylsulfonic acid group and a fluoroalkylsulfonic acid group.

Provided is a fluoroelastomer composition comprising a fluoroelastomer (a), a cross-linking agent (b), and an organic acid (c), wherein the organic acid (c) is at least one selected from the group consisting of an organic acid having 3 to 10 carbon atoms and having one acid group in a molecule, and an organic acid having 2 to 10 carbon atoms and having two or more acid groups in a molecule.

The invention relates to the technical field of concrete admixtures, and particularly discloses a concrete super-plasticity-retaining retarder and a preparation method thereof. The concrete super-plasticity-retaining retarder is prepared from 100 to 200 parts of carboxyl / phosphonic acid group-containing unsaturated polyether monomer, 50 to 150 parts of phosphonic acid group-containing unsaturated monomer, 20 to 80 parts of acrylic acid, 1 to 5 parts of ammonium persulfate, 1 to 5 parts of ascorbic acid, 5 to 15 parts of chain transfer agent, 5 to 15 parts of nonionic polyurethane thickener, 1 to 2 parts of preservative and 600 to 800 parts of deionized water. According to the invention, the retarding effect and the stability when the retarder is used together with different types of water reducing agents can be improved.

A coloring composition includes at least one compound S selected from a compound S-1 represented by Formula (1) or a compound S-2 in which the compound S-1 is coordinated to a metal atom, a pigment, a resin P, and a solvent, in which the resin P includes at least one selected from a graft resin P-1 having a specific graft chain, a block copolymer P-2 including a specific structure, or a resin P-3 in which at least one terminal of a polymer chain including a specific structure is capped with an acid group.

An electrostatic image developing toner and a method for producing the toner, the electrostatic image developing toner containing a colorant, a resin composition (P) and an ester composition (C), the resin composition (P) being a resin composition obtained by condensing an amorphous polyester-based resin (A) having an acid group with an amine compound, the ester composition (C) being one or more selected from the following ester compositions (CI) and (CII). The ester composition (CI): an ester composition containing a condensate of a carboxylic acid component (CI-ac) containing 20 mol% or more of an aliphatic monobasic carboxylic acid compound having 10 to 30 carbon atoms and an alcohol component (CI-al) containing 90 mol% or more of an aliphatic alcohol having 2 or more valences having 2 to 14 carbon atoms; the ester composition (CII): an ester composition containing a condensate of an alcohol component (CII-al) containing 20 mol% or more of an aliphatic monohydric alcohol having 10 to 30 carbon atoms and a carboxylic acid component (CII-ac) containing 90 mol% or more of an aliphatic carboxylic acid compound having 2 or more valences having 2 to 14 carbon atoms.

This invention relates to the field of solar cell technology, and in particular to a self-assembled monolayer based on a fluorinated alcohol solvent, its preparation method, and a solar cell. The method involves adding a fluorinated alcohol as a co-solvent to a solution of the self-assembled monolayer material, which is then deposited onto the surface of a metal oxide electrode to construct a hole transport layer. The hydroxyl groups of the fluorinated alcohol can form hydrogen bonds with the phosphorus-oxygen double bonds in the phosphonic acid groups, reducing the electron density of the phosphorus atoms and thus weakening the chemisorption barrier of the self-assembled monolayer on the electrode surface, promoting the formation of a uniform and dense monolayer film. The resulting interface layer effectively suppresses interface defects and promotes hole extraction. Organic solar cells prepared using this method exhibit excellent performance in terms of energy conversion efficiency, stability, and large-area processing adaptability. This invention features a simple process, low cost, and good reproducibility, and has promising prospects for industrial application.

The present invention relates to a water-absorbing resin and a method for manufacturing the same. The method for manufacturing the same is to perform a polymerization reaction on an acid group-containing monomer using a specific amount of a foaming agent under pressure sealing to obtain a core layer having a specific surface porosity, and then perform a surface cross-linking reaction on the core layer using an acyclic monoterpene alcohol having a carbon number of 10 to 12 and a surface cross-linking agent, so that the water-absorbing resin obtained has both good water-absorbing properties and superior deodorizing efficacy.

Provided are: an ink that contains a pigment, water, a water-soluble organic solvent having a boiling point of 200°C or lower, a water-soluble polymer A which contains an acid group, and a water-soluble polymer B which contains an ethylene oxide group and does not contain an acid group, the amount of the water-soluble organic solvent having a boiling point of 200°C or lower being 5-20 mass% relative to the total amount of the ink, the total amount of the water-soluble polymer A and the water-soluble polymer B being 3-8 mass% relative to the total amount of the ink, and the water-soluble polymer A and the water-soluble polymer B both being free within the ink without being adsorbed to the pigment; and the use of the aforementioned ink.

The invention discloses a battery monomer, an isolating membrane, a preparation method of the isolating membrane, a battery device and a power utilization device, the battery monomer comprises the isolating membrane and electrolyte, and the isolating membrane comprises a porous base membrane; the coating is arranged on at least one side of the porous base membrane and comprises a polymer additive, and the polymer additive comprises a first functional group and a second functional group; the first functional group comprises one or more of bis (fluorosulfonyl) imino group, bis (trifluoromethyl) sulfonyl imino group, trifluoroboric acid group, hexafluorophosphoric acid group, sulfonic acid group, hexafluoroarsenate group, trifluoromethanesulfonic acid group, difluorophosphoric acid group, bis (oxalato) boric acid group, difluoro (oxalato) boric acid group, difluoro (oxalato) phosphoric acid group, tetrafluoro (oxalato) phosphoric acid group and imidazolyl; the second functional group comprises one or more of quaternary ammonium ions, pyrrolidinyl, pyrrolyl, piperidinyl, pyridyl and imidazolyl. The battery monomer has good dynamic performance; the invention provides the isolating membrane for realizing the beneficial effects of the battery monomer, the preparation method of the isolating membrane, the battery device and the power utilization device.

Organic molecules with free acid groups and a molecular weight of greater than 140 g / mol used in combination with surfactants, are used as processing aids in the formation of extrudates and other molded materials. The compositions of this invention can be used as defined herein, or can be used with prior art processing aids, depending on the end use application. The novel materials and processes provide a useful alternative to the sole use of fluorine-based polymer processing aids.

This invention belongs to the field of pharmaceutical preparation technology, specifically relating to an HDAC inhibitor based on a tyrosine backbone, its synthesis method, and its application. The invention uses L-tyrosine as the backbone, with its aromatic ring as the Cap region, linked by a flexible alkyl chain via an ether bond, and terminated by an isohydroxamic acid group (ZBG). The tyrosine backbone provides a rigid structure, reducing entropy loss and enhancing hydrophobic interactions with the HDAC surface. By introducing substituents (such as halogens, methyl groups, etc.) onto the tyrosine benzene ring, the affinity with the HDAC active pocket is further optimized. The prepared compound b19 exhibits an HDAC inhibition capacity of 100%. 50 The concentration reached 26.8 nM, exhibiting superior antitumor activity compared to SAHA, especially against solid tumors such as HeLa cells with IC50. 50 It is 0.55 μM.

The present invention relates to a monomer having a functional group, a heat-resistant polymer having a rigid main chain using same, and a manufacturing method therefor. Particularly, the present invention relates to a monomer having a pentafluorophenyl group of chemical formula 1, a heat-resistant polymer of chemical formulas 2 and 3 having the monomer of the present invention, and a manufacturing method therefor. According to the present invention, a novel polymer obtained by polymerizing a novel monomer of the present invention has a reactive group of reactive pentafluorophenyl, and thus may exhibit excellent reactivity and enable synthesis of polymers having an excellent polymerization degree by using a polyhydroxyalkylation polymerization method without a protective group. Due to such excellent reactivity, the polymer of the present invention can cause a nucleophilic substitution reaction under mild conditions, and thus an ion-exchange group, such as sulfonic acid or phosphonic acid, can be introduced under mild conditions through such a reaction. In addition, the novel polymer of the present invention has high heat resistance and chemical resistance and good tensile strength, and thus can be used as an engineering plastic. In addition, the novel polymer of the present invention can be imparted with ionic conductivity or other functionalities by introducing a phosphonic acid group or a sulfonic acid group into any one of fluoro positions of pentafluorophenyl of the polymer, and accordingly, may be used as an electrolyte membrane for a fuel cell or water electrolysis. [Chemical formula 1] [Chemical formula 2] [Chemical formula 3]

A resin composition which contains a copolymer (A), a basic catalyst (B) and a solvent (C), and wherein the copolymer (A) contains a structural unit (a) having an acid group and a compound represented by formula (1) (in formula (1), R1 and R4 each independently represent a hydrogen atom or a hydrocarbon group having 1-20 carbon atoms, R2 and R3 each independently represent a hydrogen atom or a hydrocarbon group having 1-20 carbon atoms, and R3 each independently represent a hydrogen atom or a hydrocarbon group having 1-20 carbon atoms; and * represents a linking site to a residue obtained by removing the group of formula (1) from the structural unit (pb). ) the content of the basic catalyst (B) is 0.5-10 parts by mass with respect to 100 parts by mass of the copolymer (A), and the content of the basic catalyst (B) is 0.5-10 parts by mass with respect to 100 parts by mass of the copolymer (A).

To provide a resin having excellent alkali developability and having excellent heat resistance and high elastic modulus in a cured product, a curable resin composition, a cured product of the curable resin composition, an insulation material, and a resist member.SOLUTION: There is provided a resin having an acid group and a polymerizable unsaturated group which contains a phenolic resin having at least two catechol skeletons and an epoxy resin (A) containing a glycidyl ether group-containing compound obtained by reacting epihalohydrin, an unsaturated monobasic acid (B) and a polybasic acid anhydride (C) as essential reaction raw materials.SELECTED DRAWING: Figure 1

The application discloses a kind of high adaptability polycarboxylate water-reducing agent and preparation method thereof.The high adaptability polycarboxylate water-reducing agent is obtained by intermediate C obtained by amidation / imide reaction of compound A and compound B, intermediate C is copolymerized with monomer D, monomer E, monomer F again;The compound A is amino polyether, the compound B is thiol-containing carboxylic acid, the monomer D is unsaturated carboxylic acid, the monomer E is styrene small monomer, and the monomer F is polymerizable phosphonic acid group monomer.The high adaptability polycarboxylate water-reducing agent product prepared by the application has the advantages of low dosage, high water-reducing rate, small slump loss, wide cement adaptability, wide sand and gravel mud content adaptation range and the like.The method of the application has the advantages of easy to obtain raw materials, simple production process, high yield, low production cost and small environmental pollution.

The application relates to the technical field of liquid flow batteries, and discloses a high-stability flow channel plate, a preparation method thereof and a liquid flow battery, which comprises the following steps: processing and shaping a conductive plate material, and performing plasma pretreatment to introduce active groups on the surface of the conductive plate material, so as to obtain a pre-oxidized flow channel plate; preparing film-forming slurry, wherein the film-forming slurry comprises a solvent, a dispersing agent, a perfluoroalkyl phosphonic acid and a conductive agent; soaking the pre-oxidized flow channel plate in the film-forming slurry, and performing a self-assembly reaction under light-proof conditions, so that the perfluoroalkyl phosphonic acid is chemically bonded with the active groups on the surface of the pre-oxidized flow channel plate through phosphonic acid groups, and the conductive agent is distributed in a hydrophobic film layer formed by the perfluoroalkyl phosphonic acid, so as to construct a hydrophobic conductive composite film; and cleaning and drying the flow channel plate after the reaction, so as to obtain the high-stability flow channel plate. The application has the advantages of high conductivity, hydrolysis resistance, acid and alkali resistance, high-temperature resistance, blistering resistance and low cost.

The present disclosure provides a water-based paint composition which is a single-component, has excellent storage stability, and forms a coating film having excellent workability, crack resistance, and damage resistance. The water-based paint composition of the present disclosure contains a coating film-forming resin (A), a crosslinking agent (B), a sulfonic acid compound (C), and an amine compound (D), the coating film-forming resin (A) contains an acrylic resin (A1), the hydroxyl value of the coating film-forming resin (A) is 5 mgKOH / g or more and 35 mgKOH / g or less, the crosslinking agent (B) contains a peralkyl melamine resin (B1), and the neutralization rate of the acid group of the sulfonic acid compound (C) based on the amine compound (D) is 100% or more and 1,300% or less.

The application belongs to the technical field of flame-retardant polymers, and particularly relates to an intrinsic heat-conducting flame-retardant recycled epoxy resin and a preparation method thereof. The preparation method comprises the following steps: (1) diethanolamine is reacted with 9,10-dihydro-9-oxa-10-phosphaphenanthrene 10-oxide (DOPO) to obtain an intermediate A; (2) the intermediate A is subjected to polycondensation reaction with phenylphosphonic acid to obtain a terminal phosphonic acid group polyester flame retardant (PEF); (3) 4,4'-diphenol is epoxidized to obtain a liquid crystal epoxy precursor LEP; and (4) the PEF, the LEP and 3,3'-dithiodipropionic acid are mixed and heated and cured to prepare the epoxy resin. The prepared epoxy resin has intrinsic heat conduction, flame retardation and high efficiency recycling, and is a highly potential polymer material.

The invention discloses a bio-based antibacterial cool fiber and a preparation method thereof, and belongs to the technical field of functional fiber materials. When the bio-based antibacterial cool-feeling fiber is prepared, ethylene glycol, terephthalic acid and itaconic acid are used as monomers to synthesize unsaturated copolyester, and 1-methyl-1H-benzimidazole-2-thiol and polyester side chain double bonds are subjected to thiol-ene click chemical reaction through benzophenone photo-initiation; quaternization modified copolyester with both quaternary ammonium salt and phosphonic acid groups is prepared through quaternization of 2-bromoethyl phosphonic acid; the preparation method comprises the following steps: carrying out amination modification on shell powder by using gamma-aminopropyltriethoxysilane, and then carrying out amidation coupling on the modified shell powder and activated arginine to prepare arginine modified shell powder; the quaternization modified copolyester and the arginine modified shell powder are prepared into a spinning solution according to a specific proportion, and the bio-based antibacterial cool fiber is prepared through wet spinning. The bio-based antibacterial cool-feeling fiber prepared by the invention has excellent antibacterial performance, contact cool feeling characteristic and flame retardant property.

The present application relates to the technical field of ore dressing, discloses a kind of activator N,N-bis phosphonamidic sulfonates, its structural formula is as shown in formula 1, N,N-bis phosphonamidic sulfonates contain phosphonic acid group (-PO3H2) and sulfonic acid group (-SO3H) two functional groups, with the molecular architecture of double active center synergistic effect;And the preparation method of N,N-bis phosphonamidic sulfonates, with the application of N,N-bis phosphonamidic sulfonates in the field of sulfide ore flotation.The present application first proposes a new type of sulfide ore activator N,N-bis phosphonamidic sulfonates, can effectively destroy the hydrophilic film on the surface of sulfide ore, restores mineral surface activity, both can enhance the adsorption firmness of reagent molecule on the surface of mineral, and also can inhibit secondary adsorption of impurity ions, realizes the efficient enrichment of sulfide ore in raw ore, and it is relatively mild, and the degree of pollution is low.

The invention relates to the technical field of building materials, in particular to an environment-friendly brick carving blank and a preparation process thereof. The environment-friendly brick carving blank material comprises the following components in parts by weight: 40-50 parts of waste concrete, 30-40 parts of steel slag powder, 10-20 parts of fly ash, 5-15 parts of modified charcoal, 3-8 parts of cement, 30-40 parts of modified clay, 30-50 parts of water and 0.2-0.5 part of a water reducing agent. The environment-friendly brick carving blank material is prepared from the waste concrete, the steel slag powder, the fly ash, the modified charcoal and the clay, acidic groups on the modified charcoal act on the surface of the modified clay, the interaction force between the materials is increased, the strength of the brick carving blank material is improved, and the service life of the brick carving blank material is prolonged. The water permeability and the adsorption capacity of the brick carving blank are enhanced, and meanwhile the problems of land resource waste and environmental pollution caused by solid waste accumulation are solved.

The invention belongs to the technical field of organic photochemical synthesis and catalysis, and discloses application of a spin catalyst based on a macrocyclic gadolinium complex in photooxidation reduction reaction. According to the spin catalyst, the high-spin ground state of gadolinium ions is utilized, intersystem crossing of a photoreaction intermediate singlet-state free radical ion pair to a triplet-state free radical ion pair is promoted through the paramagnetic effect, and the reverse electron transfer process is effectively inhibited. Particularly, in a water-containing system, the Gd-DOTP complex induces solvent water molecules to form an ordered hydrogen bond network through a phosphonic acid group on a ligand, a proton-mediated spin transmission channel is constructed, and efficient catalysis can be achieved under the millimole-level low concentration (0.53.0 mM). The system obviously inhibits BET, improves the organic photooxidation reduction reaction efficiency, is suitable for reactions such as halogenated aromatic hydrocarbon dehalogenation and benzene oxidation hydroxylation, and has the advantages of small catalyst dosage, good stability, wide application range and the like.

The present invention provides an aqueous liquid composition for use in coating plastic substrates, which exhibits excellent storage stability, reduced powdering, adhesion, moisture resistance, blocking resistance, and plate cleaning properties. [Solution] An aqueous liquid composition for use in coating plastic substrates, comprising: an aqueous binder resin (A) selected from the group consisting of aqueous urethane resin, aqueous acrylic resin, and aqueous acrylic urethane resin; a large particle size wax (B); a small particle size wax (C); and a resin (D) having a polymerization chain including a hydrophobic portion and a hydrophilic portion including an acid group, wherein the large particle size wax (B) has an average particle size of 2.0 μm or more and 10.0 μm or less, and a penetration degree of 5 or more and 30 or less; the small particle size wax (C) has an average particle size of 0.1 μm or more and less than 2.0 μm, and a penetration degree of 0.1 or more and less than 15; and the solid content of resin (D) relative to the total mass of solid content of the aqueous liquid composition is 0.1 to 10% by mass.

The application discloses a negative electrode slurry, a preparation method thereof and a sodium ion battery. The negative electrode slurry comprises a thickening agent and a negative electrode material, the thickening agent comprises a high-molecular polymer with a structural unit shown in formula (I): wherein R1 is a branched structure with 1-10 C atoms and a terminal -COOH; R2 is a branched structure with 1-10 C atoms and a terminal acid group; R3 is a branched structure with 1-10 C atoms and a terminal -COOR4 ester group; R4 is a saturated alkane with 1-5 carbon atoms; 70%<=x<=95%, 0%<=y<=10%, 5%<=z<=30%. The negative electrode slurry has high viscosity stability and low preparation cost.

The invention provides antistatic transparent nylon for the field of laser welding and a preparation method of the antistatic transparent nylon. The antistatic transparent nylon is prepared from 2-sulfonic acid terephthalic acid, 5-sulfonic acid isophthalic acid, hexamethylenediamine, sulfonated modified zinc oxide, a catalyst and an antioxidant as raw materials, and the antistatic performance of the material is remarkably improved through the synergistic effect of disulfonic acid groups; meanwhile, regular arrangement of molecular chains is destroyed by the steric hindrance effect of sulfonic acid groups, so that the crystallinity of the material is reduced, and the light transmittance reaches 90% or above. The antistatic transparent nylon has good compatibility with nylon 66 and glass fibers, and the high-performance laser welding material prepared in a blending modification mode can meet the actual requirements of low water absorption, high mechanical strength and the like.