1279 results about "Thiazole" patented technology

A corrosion inhibitor composition includes a fatty acid ethoxylate, a thiourea, an arylthiourea, a thiazole, and two or more solvents. A metal article in contact with the composition has a corrosion rate of about 25 to about 45 mils penetration per year (mpy), as determined by an ASTM G111 standard test method. A method for inhibiting corrosion of a metal in contact with a corrosive fluid.

The invention relates to a composite reverse osmosis membrane acidic cleaning agent, a preparation method and a cleaning process thereof, and belongs to the technical field of environment-friendly water treatment. The cleaning agent comprises the following components in percentage by mass: 4-8% of inorganic acid, 20-40% of organic acid, 1-3% of a surfactant, 0.5-1% of a chelating agent, 0.5-1% of a compound corrosion inhibitor and the balance of deionized water. The composite corrosion inhibitor is formed by compounding 2-mercaptobenzothiazole and the like according to a specific mass ratio, the molecular weight of polyaspartic acid is 5000, and the molar ratio of Zn to Mo in the zinc-molybdate compound is 2: 1. The preparation method comprises the following four steps: firstly preparing a compound corrosion inhibitor premix, then preparing an acidic base solution, and then sequentially adding the components to finally obtain the cleaning solution. According to the cleaning process, a cleaning agent and deionized water are mixed, the membrane flux recovery rate is larger than or equal to 85% through cleaning of a specific process, the reverse osmosis membrane can be effectively cleaned, and the performance of the reverse osmosis membrane can be recovered.

According to the method for recycling the waste lithium ion battery positive electrode material aluminum foil, double-bond addition is conducted on ureido of allylurea and maleimide, meanwhile, thiazolecarboxylic acid amino cyclization is conducted, ternary heterocyclic molecules containing ureido, thiazole rings and carboxyl are generated, S atoms, N atoms and O atoms form tridentate coordination sites, and the leaching rate of aluminum is increased.

The invention discloses a copper surface micro-etching coarsening solution for a fine circuit as well as a preparation method and application of the copper surface micro-etching coarsening solution, and relates to the technical field of printed circuit board manufacturing. The copper surface micro-etching coarsening solution for the fine circuit is prepared from, by mass concentration, 60 g / L to 100 g / L of sulfuric acid, 40 g / L to 60 g / L of hydrogen peroxide, 0.5 g / L to 2 g / L of zinc sulfate, 10 g / L to 30 g / L of copper ions, 0.5 g / L to 1 g / L of pyridine heterocycle-containing Schiff base, 10 g / L to 100 g / L of ethyl alcohol, 1 g / L to 3 g / L of 2-mercaptobenzothiazole, 1 g / L to 5 g / L of methionine and 1 g / L to 5 g / L of polyacrylamide. According to the copper surface micro-etching coarsening solution, the 2-mercaptobenzothiazole and the methionine in the copper surface micro-etching coarsening solution can enable the copper surface to form a honeycomb structure under the low micro-etching amount, the zinc sulfate and the pyridine heterocyclic ring-containing Schiff base can form a composite film layer with copper ions on the surface of the honeycomb structure, and the interlayer binding force is improved.

The invention discloses a preparation method of a 3-micron ultrathin lithium battery copper foil. The preparation method comprises the following steps: preparing a copper sulfate electrolyte; a wetting agent, a brightening agent and a high resistance agent are added into the copper sulfate electrolyte, the high resistance agent is at least one of thiazolidinethione, polyethyleneimine, 2-mercaptobenzimidazole and ethylene thiourea, and a mixed additive is formed; polishing and grinding a cathode roller by adopting a flying wing wheel, and carrying out electrolytic treatment on the mixed additive through the polished and ground cathode roller to obtain a first-stage copper foil; and the first-stage copper foil is placed in a nitrogen furnace to be subjected to annealing treatment, and the 3-micron ultrathin lithium battery copper foil is obtained. The invention aims to solve the technical problems that in the prior art, edge tearing, foil breaking, warping, dark appearance oxidation and the like are prone to occurring in the production process of the ultrathin copper foil, the tensile strength and the ductility are difficult to consider at the same time, and stable mass production of the 3-micron copper foil is still difficult.

The invention discloses a composite collecting agent and a preparation method and application thereof, and relates to the technical field of solid waste recycling. The composite collecting agent comprises a main agent, an auxiliary agent and a synergist, and the mass ratio of the main agent to the auxiliary agent is (3-1): (1-2). The mass of the synergist is 0.1%-2.5% of the total mass of the composite collecting agent; the structural formula of the main agent is as shown in formula (I): R-O-C (= S)-NH-R '(I); in the formula (I), R is alkyl, and R'is 3-chloro-1, 2-epoxypropane; the auxiliary agent is a mercaptobenzothiazole derivative. The thiocarbamate and the mercaptobenzothiazole derivative are compounded according to a specific proportion for the first time, a Zn-S shielding layer is destroyed through an intermolecular synergistic effect, and the silver recovery rate is increased; the preparation method is simple and easy to operate, facilitates reduction of the dosage of a single agent and reduces environmental pollution. The foam stability is improved, the flotation efficiency is improved, the selective collection efficiency of the silver-zinc ore is remarkably improved, and the flotation index is improved.

The invention relates to the technical field of soil improvement, and discloses a soil improvement repairing agent and a preparation method thereof. The preparation method comprises the following steps: adding biochar, modified eugenol, modified benzothiazolyl pyridine, bacillus licheniformis and diatomite into a mixer, mixing and stirring, extruding and granulating in a granulator, and drying to obtain the soil improvement repairing agent. Eugenol can destroy a membrane structure and denature protein, so that a bacteriostatic effect is achieved, and a healthy soil microenvironment is provided for crops; the quaternary ammonium salt can destroy the membrane structure of pathogenic microorganisms, plays a role in killing the microorganisms, can improve the antibacterial effect of the remediation agent, and prevents and treats spread diseases of soil; nitrogen atoms and sulfur atoms in benzothiazolyl pyridine molecules can coordinate with free heavy metal ions in the soil, the heavy metal adsorption effect of the remediation agent is improved, the production value of the soil is gradually restored, meanwhile, boric acid capable of being absorbed by plants can be released through hydrolysis of pinacol ester, and the fertility of the soil is improved.

The invention belongs to the technical field of drug development, and particularly relates to application of 2-fluoro-N-(2-(4-methyl-2-(m-tolyl) thiazole-5-yl) ethyl) benzenesulfonamide in preparation of drugs for treating nervous system diseases. The invention aims to provide a medicine which has small toxic and side effects and can target SLC11A2 to treat or improve nerve cell injury. According to the technical scheme, the invention relates to application of 2-fluoro-N-(2-(4-methyl-2-(m-tolyl) thiazole-5-yl) ethyl) benzenesulfonamide in preparation of a medicine for treating nervous system diseases. It is proved that the compound 2-fluoro-N-(2-(4-methyl-2-(m-tolyl) thiazole-5-yl) ethyl) benzenesulfonamide is small in toxic and side effect, and nerve cell damage can be protected or improved by targeting SLC11A2; and a new choice is provided for treating or improving nerve cell injury.

The invention discloses a continuous reaction device and method for producing 2-amino-4-methylbenzothiazole, and belongs to the technical field of compound production. The invention relates to a continuous reaction device for producing 2-amino-4-methylbenzothiazole, which comprises a first-stage reaction kettle and further comprises a stirring mechanism arranged in the first-stage reaction kettle and used for stirring chlorine and a mixed solution in the first-stage reaction kettle; the driving mechanism is arranged at the top of the first-stage reaction kettle and is used for driving the stirring mechanism to perform stirring action in the first-stage reaction kettle; the chlorine injection mechanism is connected with the stirring mechanism; the air exhaust mechanism is arranged at the top of the first-stage reaction kettle and is connected with the driving mechanism; the multistage reaction kettles are adopted for continuous operation to eliminate downtime, so that the problem of low production efficiency caused by repeated heating and cooling due to the use of intermittent reaction kettles in the traditional process is solved, the chlorine utilization rate is improved, and the production and processing cost is effectively reduced.

The invention belongs to the technical field of fine chemical engineering, and particularly discloses a method for preparing a broad-spectrum bactericide 2-n-butylbenzo [d] isothiazole-3 (2H)-ketone by a molecular editing method. The preparation method comprises the following specific steps: taking 3H-1, 2-benzodisulfophenol-3-ketone and n-butylamine as raw materials, taking Selectfluor as an additive, adding the raw materials and the additive into a mixed solvent, and carrying out heating and stirring reaction, so as to obtain the target product 2-n-butylbenzo [d] isothiazole-3 (2H)-ketone (BBIT). The method is simple and convenient to operate, the raw materials are easy to obtain, the yield is high, thiophenol raw materials or excessive alkali are prevented from being used, and potential application value is achieved.

The present disclosure is directed to a preservative composition comprising a linear polyetheramine having a molecular weight greater than 118 Daltons (Da) and at least one isothiazolinone, whereby this preservative composition may further comprise a pyrithione salt and / or a metal salt. Also disclosed is an aqueous industrial material comprising the preservative composition as well as a method for enhancing in-contaniner preservative performance of an aqueous industrial material using the preservative composition.

The invention discloses an isothiazolinone non-curing coating and a preparation method thereof, and relates to the technical field of waterproof coatings. The coating comprises a base material, a compound isothiazolinone antibacterial agent, a mixed stabilizer, a compound plasticizer, a compound anti-aging agent, a filler, an adhesion promoter and a solvent, the compound type isothiazolinone antibacterial agent is prepared by mixing and compounding 2-methyl-4-isothiazolin-3-ketone and 5-chloro-2-methyl-4-isothiazolin-3-ketone according to a mass ratio of (1 to 3): 1, and the compound type isothiazolinone antibacterial agent is prepared by mixing and compounding 2-methyl-4-isothiazolin-3-ketone and 5-chloro-2-methyl-4-isothiazolin-3-ketone and 5-chloro-2-methyl-4-isothiazolin-3-ketone; the mixed stabilizer is formed by mixing organic bentonite, polyamide wax and fumed silica; the defects that an existing non-curing coating is poor in antibacterial performance, insufficient in aging resistance and poor in formula compatibility are overcome.

The invention relates to the technical field of sewage treatment, in particular to a preparation method of a degradable bactericide for an oil field. According to the invention, a hydroxypropyl guanidine gum-polycaprolactone-ethylenediamine fragment copolymer is taken as a carrier, a methylisothiazolinone quaternary ammonium salt (Q-MIT) bactericide is loaded, and the degradable bactericide for the oil field is obtained by cooperating with a dodecyl ethyl sulfide (TC-SE) bactericide and combining with sodium polyaspartate. A carrier forms a hydrogen bond with a polar group on the surface of a biological membrane through a hydroxypropyl guanidine gum main chain to realize targeted anchoring, a polycaprolactone branched chain encapsulates Q-MIT through a hydrophobic effect, primary amino groups of ethylenediamine are introduced to form a pH sensitive Schiff base bond with Q-MIT, and the primary amino groups and adipic dihydrazide form a thermal response hydrazide bond to construct a dual dynamic covalent bond, so that controlled release of Q-MIT is realized, and the biomembrane is prepared. And moreover, the components of the whole system are connected through degradable chemical bonds, so that the environmental protection property and sustainability of oil field operation are guaranteed.

The invention provides a composite hole transport layer, a preparation method and application thereof, a perovskite battery and a preparation method thereof, and belongs to the technical field of perovskite batteries. The composite hole transport layer comprises a first hole transport layer and a second hole transport layer. The first hole transport layer comprises nickel oxide; and the second hole transport layer comprises thiazole blue and carbazole self-assembled monomolecules. The nickel oxide, the thiazole blue and the carbazole self-assembled monomolecules are adopted, and the thiazole blue molecules and the carbazole self-assembled monomolecules generate a pi-pi effect, so that the arrangement uniformity of the SAM molecules can be improved, and a more compact and flat interface single layer is induced to be formed. Meanwhile, N atoms in thiazole blue molecules are combined with nickel oxide to reduce high-valence nickel, so that an interface trap between nickel oxide and perovskite is passivated, a bifunctional passivated molecular bridge facing a nickel oxide end and a perovskite end is formed, the bottom interface of the perovskite battery is remarkably adjusted, and the performance of a device is improved.

The invention relates to the technical field of organic photoelectric materials, and particularly discloses a non-condensed ring small molecule acceptor material based on a quinonoid structure as well as a preparation method and application of the non-condensed ring small molecule acceptor material. According to the invention, easily available 1, 4-diacetyl piperazine-2, 5-diketone is used as a center, an alkyl chain and Ar are used for modification, EG is used as an end group, the non-condensed ring A-D-A '-D-A type structure acceptor material based on a quinone structure is constructed, and the general formula is shown in the specification. Wherein the PCE of the acceptor material which is modified by bithiophene and takes 2-(3-ethyl-4-oxothiazolidine-2-subunit) malononitrile as a terminal group reaches 15%. The non-condensed ring small molecule acceptor material based on the quinonoid structure is simple in synthesis process, and an effective strategy is provided for solving the problem of the overall performance of an organic solar cell.

The invention relates to a composite diaphragm, a preparation method thereof and a sodium ion battery. The composite diaphragm comprises a base membrane and a functional layer arranged on at least one side surface of the base membrane, the functional layer comprises a functional additive, and the functional additive comprises a thiazole group and a sodium oxygen group connected to the thiazole group. Therefore, by adding the functional additive into the functional layer of the composite diaphragm, the safety performance of the battery can be improved while the first efficiency, the capacity and the cycle life of the battery are improved.

The present disclosure is generally directed to a preservative composition including a cycloaliphatic polyetheramine and 1,2-benzisothiazolin-3-one ("BIT"). The preservative composition may include a cycloaliphatic polyetheramine and BIT present at a weight ratio of 100:1 to 1:10.

The invention discloses an aqueous film-forming foam extinguishing agent based on a short fluorocarbon chain, and relates to the technical field of extinguishing agents. The invention discloses an aqueous film-forming foam extinguishing agent based on a short fluorocarbon chain. The cleaning agent is prepared from the following raw materials in parts by weight: 8 to 12 parts of modified short fluorocarbon chain surfactant, 5 to 8 parts of dodecyl dimethyl betaine, 50 to 60 parts of deionized water, 2 to 4 parts of modified guar gum, 4 to 6 parts of ethylene glycol, 1 to 2 parts of benzotriazole, 0.5 to 1 part of sodium bicarbonate, 0.3 to 0.5 part of polydimethylsiloxane, 3 to 5 parts of decabromodiphenyl ethane and 1 to 2 parts of sodium carboxymethyl cellulose. 0.5 to 1 part of disodium ethylene diamine tetraacetate, 0.2 to 0.4 part of isothiazolinone and 0.5 to 1 part of nano silicon dioxide. According to the aqueous film-forming foam extinguishing agent based on the short fluorocarbon chain, the modified short fluorocarbon chain surfactant and the nano silicon dioxide cooperate, so that a film is formed quickly and compactly, and the extinguishing efficiency is high; the modified guar gum improves the foam stability, and the foam holding time is long; the raw material ratio is scientific, and both equipment protection and fire control are considered; the preparation process is rigorous, the product quality is stable, and various fire extinguishing scenes are adapted.

The invention discloses an iron-loaded sulfonated carbon nitride heterogeneous catalyst as well as a preparation method and application thereof, and belongs to the field of heterogeneous catalysts. The iron-loaded sulfonated carbon nitride heterogeneous catalyst consists of monatomic Fe and a sulfonated graphite phase carbon nitride carrier, so that the prepared iron-loaded sulfonated carbon nitride heterogeneous catalyst can catalyze the reaction of benzoxazole and absolute ethyl alcohol, is high in catalytic efficiency, can catalyze the reaction of benzimidazole or benzothiazole and absolute ethyl alcohol, and is high in catalytic efficiency. Therefore, 2-(1-hydroxyethyl)-benzimidazole or 2-(1-hydroxyethyl)-benzothiazole is synthesized, and concentrated acid does not need to be used as a catalyst in the synthesis process. The sulfonation degree of the iron-loaded sulfonated carbon nitride heterogeneous catalyst can be regulated and controlled, the iron-loaded sulfonated carbon nitride heterogeneous catalyst can catalyze the construction of a directional C-C bond, and the iron-loaded sulfonated carbon nitride heterogeneous catalyst keeps stable in the reaction process and can be recycled for 5 times or more.

The invention relates to the technical field of coatings, and discloses a UV-curable water-based coating and a preparation method thereof. The UV-cured water-based paint is prepared by taking water-based polyurethane acrylate emulsion and water-based epoxy modified acrylic resin as main raw materials, adding functional aids such as a modified antibacterial agent, an inorganic filler, a photoinitiator and a silane coupling agent, and mixing. Wherein the modified antibacterial agent utilizes the synergistic effect among a benzoxazine structure, a quaternary ammonium salt structure, a thiazole structure and a carbon-carbon double bond to endow the coating with excellent antibacterial performance, so that the application field of the coating is widened, and the coating has certain application prospects in the aspects of wooden furniture, plastic products, printing and packaging and the like.

This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Arthropoda, Mollusca, and Nematoda, processes to produce such molecules, intermediates used in such processes, and processes of using such pesticidal compositions against such pests. The pesticidal compositions comprise (A) an oxathiazolidine derivative of formula one and (B) a mixing partner and may be used, for example, as acaricides, insecticides, miticides, molluscicides, and nematicides.

The invention discloses a thiazole compound and medical application thereof, the structure of the thiazole compound is shown as a formula I. The compound shown as the formula I is a potent STING inhibitor and has good pharmacokinetic properties, and the compound shown as the formula I or pharmaceutically acceptable salt thereof can be used for preparing drugs for preventing or treating STING-mediated diseases.

The invention provides an application of liquiritin in preparation of a PPAR gamma receptor partial agonist. Through a structure-based high-throughput virtual screening technology, it is found that liquiritin can be used as a partial agonist of a PPAR gamma receptor, and the relative activation efficiency of liquiritin is 35.9% of that of rosiglitazone; in-vitro experiments prove that liquiritin can remarkably promote glucose uptake and consumption of HepG2 cells and does not induce adipocyte differentiation; in-vivo experiments prove that liquiritin can effectively improve the blood glucose level of an insulin resistance mouse model induced by high fat diet and reduce the level of serum proinflammatory factors. Compared with thiazolidinedione compounds, liquiritin not only can relieve and treat insulin resistance or related metabolic diseases, but also does not cause adverse reactions such as weight gain, fat accumulation and myocardial hypertrophy, provides a new candidate compound for developing safe and effective anti-diabetic drugs, and has a wide application prospect.

The invention relates to a diptera adult insecticide, which contains an insecticidal functional component n-butyl alcohol. According to the invention, n-butyl alcohol which has an obvious poisoning effect on the adult cucurbita petiolatus is separated from a metabolite of a bacillus thuringiensis XLB2910 strain, and 2, 3, 5-trimethylpyrazine and benzothiazole which have an obvious poisoning effect on the adult aedes albopictus are also separated from the metabolite of the bacillus thuringiensis XLB2910 strain. Through poisoning concentration analysis of different components and a compound combination experiment, a series of pesticides for adult cucurbita petioles and adult aedes albopictus are formed, the prepared compound pesticide for cucurbita petioles comprises 2.5%-10% of 2, 3, 5-trimethylpyrazine, 2%-10% of benzothiazole and 5%-10% of n-butyl alcohol, and the prepared compound pesticide for aedes albopictus comprises 2.5%-10% of 2, 3, 5-trimethylpyrazine, 2%-10% of benzothiazole and 5%-10% of n-butyl alcohol. The composition comprises 0.5%-3% of 1, 3, 5-trimethylpyrazine, 0.05%-1.5% of benzothiazole and 1%-3% of n-butyl alcohol. The compound insecticide has a good insecticidal effect on cucurbita petiolatus adults and aedes albopictus adults, and is wide in raw material source and environment-friendly.

The invention discloses a tetrahydrocarbazole enhanced fluorescent probe for detecting hydrosulfite as well as a preparation method and application of the tetrahydrocarbazole enhanced fluorescent probe. The fluorescent probe is a 2-(2-(5-(2, 2-dimethyl-2, 3, 4, 9-tetrahydro-1H-1, 3-methyl carbazole-6-yl) furan-2-yl) vinyl)-3-ethyl benzothiazole-3-onium iodised salt compound, namely, TC-FV-BT, and the fluorescent probe can be applied to the field of fluorescence detection. The probe TC-FV-BT can be used for specifically recognizing the hydrosulfite. Under sunlight, after bisulfite is added into a DMF / H2O (2: 8, v / v) solution of the probe TC-FV-BT, the color of the solution is changed from dark pink to white, under irradiation of ultraviolet light with the wavelength of 365 nm, the solution emits orange fluorescence at the emission wavelength of 605 nm, the fluorescence color of the solution is changed from colorless to orange, the response time is 4 min, the detection limit of the bisulfite reaches 77.27 nM, and the detection limit of the bisulfite reaches 77.27 nM. The fluorescent probe shows good selectivity and anti-interference performance, and has a good application prospect in the fields of environmental analysis, food and the like as a fluorescent probe for detecting hydrosulfite.

The invention relates to 1,5-benzothiazepine and 1,2,5-benzothiadiazepine derivatives of formula (I). These compounds are bile acid modulators having apical sodium-dependent bile acid transporter (ASBT) and / or liver bile acid transport (LBAT) inhibitory activity. The invention also relates to pharmaceutical compositions comprising these compounds and to the use of these compounds in the treatment of cardiovascular diseases, fatty acid metabolism and glucose utilization disorders, gastrointestinal diseases and liver diseases.

The invention discloses an antibacterial antifouling agent as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out chemical grafting on an amino terephthalic acid compound by adopting benzisothiazolinone to prepare a functional ligand; and carrying out a reaction on a metal salt and the functional ligand to prepare the antibacterial antifouling agent. The antibacterial antifouling agent disclosed by the invention shows broad-spectrum antibacterial activity on gram-negative bacteria and gram-positive bacteria, and has anti-algae performance and good biocompatibility; meanwhile, the antibacterial and antifouling agent is compounded into water-based acrylic resin, the obtained coating still has excellent antibacterial and anti-algae performance, the ligand engineering strategy effectively breaks through the bottleneck that traditional MOFs ligands are insufficient in antibacterial activity, and an innovative path is provided for developing long-acting, synergistic and practical MOF-based antibacterial and antifouling materials.

The invention belongs to the technical field of building materials, and discloses a special emulsion for large-particle-size high-air-permeability soft porcelain and a preparation method and application thereof, and the emulsion comprises a seed phase, a core emulsion phase, a hard-shell pre-emulsion phase, an initiation system and a post-treatment auxiliary agent; the core emulsion phase comprises deionized water, 2-ethylhexyl acrylate, glycidyl methacrylate, a toughening aid, ethyl phosphate methacrylate and an OP-10 emulsifier; the toughening aid is a polyether-polyester block copolymer; the post-treatment auxiliary agent comprises an antibacterial flame retardant, an organic silicon defoaming agent and ammonia water, the antibacterial flame retardant is a benzisothiazolinone derivative containing phosphorus and nitrogen, performance complementation is achieved through the layered design of a core-shell structure, and meanwhile the stability and adhesive force are improved by means of the reactive emulsifier and the functional monomer; in addition, the polyether polyester block type reactive toughening aid and the phosphorus and nitrogen-containing benzisothiazolinone derivative antibacterial flame retardant are added, so that synergistic optimization of toughening, antibacterial and flame retardant is realized.

The application relates to (106) specific heterocyclic compounds comprising a thiazole ring, an indazol and a 6,7-dihydro-5H-pyrrolo[1,2-c]imidazole system, to pharmaceutical compositions containing them and their medical use. The compounds are described as selective allosteric inhibitors of T790M / L858R, T790M / L858R / C797S, L858R, L858R / C797S containing EGFR mutants and thus useful for the treatment of cancer, in particular non-small cell lung cancer.

The invention provides a copper etching solution with a high etching factor as well as a preparation method and application of the copper etching solution. The copper etching solution with the high etching factor comprises the following components in parts by weight: 0.48-3 parts of a corrosion inhibitor; 1-10 parts of an oxidizing agent; 10 to 20 parts of inorganic acid; 0.1-1 part of an organic solvent; 60 to 80 parts of ultrapure water; the corrosion inhibitor is a mixture of a benzothiazole corrosion inhibitor and an aminoimidazole corrosion inhibitor. The copper etching liquid with the high etching factor has the high etching factor, copper can be rapidly and efficiently removed, the side wall etching time is shortened, and therefore the product yield is increased. And the method has very good application prospect and large-scale industrial popularization potential in the field of circuit board packaging.