44 results about "Thiazoline" patented technology

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 application discloses a long-acting antibacterial adsorption filler and a preparation method thereof, and comprises the following steps: S1, preparation of composite activated alumina; S2, preparation of aminated composite alumina; S3, preparation of organically modified composite alumina; and S4, preparation of the long-acting antibacterial adsorption filler. The long-acting antibacterial adsorption filler is prepared by loading cerium and bismuth composite oxides on an activated alumina substrate, and then bridging with a silane coupling agent, and sequentially introducing maleic anhydride, 2,3-epoxypropyl trimethyl ammonium chloride and 2-mercaptothiazoline, so that the finally-prepared filler integrates multiple functions such as physical adsorption, chemical adsorption, contact sterilization and slow-release sterilization. The method effectively solves the technical problems of single function of a traditional adsorbent, inability to sterilize and easy secondary pollution, and achieves omnibearing and long-acting purification of indoor air pollutants.

The present invention relates to combinations of a compound of formula (A-1) with a compound selected from the group consisting of dimpropyridaz, emamectin and isocycloseram, bentioflumin, pioxaniliprole, isoflualanam, cybenzoxasulfyl, vinylfluthrin, cyclobunofen, flupymezotiaz, fentiazoluron, 1-(1,2-dimethylpropyl)-5-methyl-N-prop-2-ynyl-N-(3-pyridyl)pyrazole-4-carboxamide, 1 -[4- [5-ethylsulfonyl-1-methyl-4-[3-methyl-6-(trifluoromethyl)imidazo[4,5-b]pyridin-2-yl]imidazol-2- yl]phenyl]cyclopropanecarbonitrile, [(Z)-[[3-ethylsulfonyl-5-[4-(trifluoromethoxy)phenyl]-2-pyridyl]-[[5- (trifluoromethyl)-2-pyridyl]amino]methylene]amino] acetate, 3-[3-ethylsulfonyl-5-[4- (trifluoromethoxy)phenyl]-2-pyridyl]-4-[5-(trifluoromethyl)-2-pyridyl]-1,2,4-oxadiazol-5-one, 1-(4- chlorophenyl)-2-fluoro-4-methyl-5-(2,2,2-trifluoroethylsulfanyl)benzene, and emamectin benzoate; and to methods of controlling or preventing damage to plants using such combinations; and to formulations, concentrates and seed treatments comprising such combinations.

The invention relates to a composite electrostatic eliminator and a preparation method thereof, and relates to the technical field of chemical assistants, the composite electrostatic eliminator comprises isopropanol, cetrimonium chloride, fatty alcohol-polyoxyethylene ether, polyvinyl alcohol, polyethylene glycol, triethanolamine, isothiazolinone, propylene glycol, disodium ethylene diamine tetraacetate, essence, modified carbon nanotubes, and a hydrophobic ionic liquid. The water-based polyurethane resin is prepared from water-based furan polyurethane, non-ionic water-based furan polyurethane, bismaleimide and the balance deionized water. Modified carbon nanotubes and hydrophobic ionic liquid are uniformly dispersed in a coating through electrostatic anchoring of cetrimonium chloride and emulsification of fatty alcohol-polyoxyethylene ether, an electron tunneling network in a low-humidity environment is formed, and it is ensured that the electrostatic dissipation capacity of the coating of the electrostatic elimination agent in the low-humidity environment is improved; a dynamic cross-linked network is formed through a Diels-Alder reaction generated by the nonionic waterborne furan polyurethane and the bismaleimide, a conductive path in a damaged area can be rebuilt under external thermal excitation, and the functional durability is improved.

This utility model discloses a waste treatment device for isothiazolinone production, relating to the field of isothiazolinone production technology. The waste tank is connected to a first filter, the first filter is connected to a settling tank, the settling tank is connected to a distillation tank, the distillation tank is connected to a degradation tank, the degradation tank is connected to a sedimentation tank, the sedimentation tank is connected to a second filter, the second filter is connected to a nanofiltration membrane device, and the nanofiltration membrane device is connected to a treatment water tank. This device can effectively remove harmful substances from the isothiazolinone production waste, achieving harmless treatment of the waste and also realizing resource recycling to a certain extent, thus possessing good environmental and economic benefits.

This utility model discloses a pretreatment device for raw materials in the production of high-purity Kathon, relating to the field of Kathon production technology. The inlet of an ultrasonic reactor is connected via pipelines to a methylchloroisothiazolinone raw material tank and a deionized water tank. The outlet of the ultrasonic reactor is connected via a screw pump to a ceramic membrane device. The liquid phase outlet of the ceramic membrane device is connected via pipelines to a distillation column. The top gas phase outlet of the distillation column is connected via pipelines to a light component tank, an organic solvent tank, and a purified methylchloroisothiazolinone tank. This device achieves effective separation and purification of different components, improving product purity, while simultaneously recovering organic solvents and reducing production costs.

The invention discloses a wearable sensor-minimally invasive diabetes monitoring patch and a preparation method thereof, and belongs to the technical field of biomedicine, the patch comprises a microneedle array module and a sensing unit; the microneedle array module is composed of a plurality of microneedles arranged in an array; the sensing unit is loaded in the microneedle, and the sensing unit comprises a multi-shell metal organic framework cascade enzyme system and a chromogenic substrate; the multi-shell metal organic framework cascade enzyme system is of a double-layer structure composed of an inner core and an outer shell, the inner core is a metal organic framework packaged with glucose oxidase and modified with carboxyl functional groups, and the outer shell is a metal organic framework packaged with horse radish peroxidase. And 2, 2-nitrogen-bis (3-ethylbenzothiazoline-6-sulfonic acid) is taken as a chromogenic substrate. According to the patch, the catalytic efficiency and the detection accuracy are improved, the stability is improved, the storage and transportation cost is reduced, the low detection limit can be achieved, the requirement for instant blood glucose detection is met, the size is small, and the cost is low.

The invention discloses a rubber composite material with marine antifouling property as well as a preparation method and application thereof, and relates to the technical field of marine fouling organism decay protection materials. The rubber composite material with the marine antifouling property comprises the following components which are blended and vulcanized: rubber, a filler, an antifouling agent, a plasticizer, an activating agent, a scorch retarder, an anti-aging agent, an accelerant and a vulcanizing agent, the antifouling agent comprises a copolymer modified by zwitter-ions and at least one of sodium benzoate, tannic acid, 6-gingerol, capsaicin, sulfobetaine, carboxylic acid betaine, phosphorylcholine, isothiazolinone and zinc pyrithione optionally selected from the group consisting of sodium benzoate, tannic acid, 6-gingerol, capsaicin, sulfobetaine, carboxylic acid betaine, phosphorylcholine, isothiazolinone and zinc pyrithione. The invention solves the three core problems of poor compatibility of an antifouling agent and a rubber matrix, short antifouling period caused by easy loss of the antifouling agent, and difficulty in balancing the antifouling property and mechanical property in the existing marine antifouling rubber material.

This invention discloses a molecularly imprinted paper-based microfluidic colorimetric sensor for detecting histamine, its preparation, and its application. The colorimetric sensor (MIP@MIL) is polymerized from a metal-organic framework (MIL-101) using surface molecular imprinting and dual-monomer imprinting techniques. MIP@MIL exhibits a histamine detection limit of 0.77 μM and a detection time of 12.5 min, demonstrating good selectivity. The mechanism involves histamine blocking the imprinted pores of MIP@MIL and acting on MIL-101, thereby weakening the catalytic oxidation process of the chromogenic agent 2,2'-azido-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS). Furthermore, histamine increases the repulsive force of MIP@MIL against ABTS, thus enabling colorimetric detection of histamine. To further improve practical applicability, MIP@MIL was loaded onto qualitative filter paper and further modified onto microfluidic paper-based chips (μPADs). Using a smartphone, rapid and accurate visual detection of histamine in food was achieved, demonstrating its potential for food freshness detection.

The invention discloses a long-acting antibacterial adsorption filler and a preparation method thereof. The preparation method comprises the following steps: S1, preparing composite activated aluminum oxide; s2, preparation of aminated composite aluminum oxide; s3, preparation of organic composite aluminum oxide; and S4, preparing the long-acting antibacterial adsorption filler. According to the long-acting antibacterial adsorption filler, cerium and bismuth composite oxide is loaded on an activated aluminum oxide substrate, then maleic anhydride, 2, 3-epoxypropyltrimethylammonium chloride and 2-mercaptothiazoline are sequentially introduced through bridging of a silane coupling agent, and the finally prepared filler integrates multiple functions of physical adsorption, chemical adsorption, contact sterilization, slow-release sterilization and the like; according to the method, the technical problem that secondary pollution is easily caused due to the fact that a traditional adsorbent is single in function and cannot sterilize is effectively solved, and comprehensive and long-term purification of indoor air pollutants is achieved.

This invention relates to an isothiazolinone solid bactericide and its preparation method. The bactericide comprises solid isothiazolinone hydrochloride particles, a water-soluble film-forming material coating layer on the particle surface, and a solid alkaline pH adjuster physically mixed with the coated particles. The molar ratio of the solid alkaline pH adjuster to the hydrochloride is 0.7–1.2:1, based on the amount of hydroxide provided. The process involves wetting and granulating the solid hydrochloride with a binder solution, drying and sieving to form particles, then coating them with a water-soluble film-forming material solution to obtain coated particles, and finally mixing them uniformly with the solid alkaline pH adjuster. This invention effectively isolates oxygen, moisture, and light through coating technology, significantly improving the product's storage stability, and utilizes the alkaline pH adjuster to ensure that the product is completely converted into a free state with bactericidal activity before use.

The invention discloses a PET release film applied to the field of polarizers and a preparation method of the PET release film in the technical field of optical functional film materials, the release film takes a two-way stretching PET film as a base material, and the surface of the release film is coated with a protective coating containing a specific modified compound. The modified compound comprises a hyperbranched polymer containing a phosphazene thiazoline structure and a graphene polyhedral oligomeric silsesquioxane hybrid material, and forms a stable cross-linked network with a sulfur-containing cross-linking agent under the action of an acid catalyst through accurate proportioning. The preparation process comprises the steps of corona treatment of the base membrane, preparation of a coating solution, micro gravure coating, stepped heating curing and the like. The problems that a traditional release film is poor in heat resistance, insufficient in flame retardance, weak in mechanical property and the like are effectively solved, the obtained product has excellent high-temperature resistance, flame retardance and mechanical strength, meanwhile, the good optical property is kept, and the release film is particularly suitable for the field of high-end polaroid manufacturing.

The invention discloses a polymer composite anti-aging bird-proof umbrella cover and a preparation method thereof in the field of polymer material modification, the umbrella cover takes polycarbonate and polybutylene terephthalate as a matrix, and a supramolecular ultraviolet absorbent containing a bithiazolinone-triazine structure and a polyether-polyurethane elastomer based on dynamic covalent bond crosslinking are added, so that the anti-aging bird-proof umbrella cover is prepared. The nano zinc oxide, the ethylene-butyl acrylate copolymer, the antioxidant and the ultraviolet light absorber are used as auxiliary materials for compounding. The ultraviolet absorbent and a hydrogen bond network are cooperated through intramolecular charge transfer to enhance light stability, and the dynamic covalent bond elastomer endows the material with self-repairing and impact resistance. The preparation method comprises the following steps: dispersing the nano zinc oxide, dissolving the ultraviolet absorbent and the elastomer, and carrying out melt blending granulation with the matrix resin; pre-mixing the granules with an auxiliary agent, and then carrying out secondary granulation; and after injection molding, carrying out electron beam irradiation treatment and coating an elastomer diluted solution for curing. The umbrella cover has excellent aging resistance, impact resistance and environmental adaptability, and the service life can be remarkably prolonged.

This invention relates to the preparation and application of a thiazolinone-oxanthracene peroxynitroso fluorescent probe. The probe has the following structural formula: This invention provides a method for synthesizing this fluorescent probe using thiazolinone-oxanthracene dye, pinacol ester of 4-bromomethylphenylboronic acid, etc., as raw materials; this fluorescent probe is a peroxynitroso fluorescent probe with near-infrared emission; firstly, this fluorescent probe is effective against ONOO... ‑ It exhibited good sensitivity, with a 7.5-fold increase in fluorescence intensity; secondly, this fluorescent probe showed good sensitivity to ONOO. ‑ It exhibits high selectivity, unaffected by other reactive oxygen species, biothiols, and amino acids; furthermore, this fluorescent probe is compatible with ONOO. ‑ It acts rapidly, with a response time of less than 5 minutes; in addition, the fluorescent probe is used to detect the content of peroxide nitrosamines in living cells.

The application provides an antiviral and antibacterial inorganic interior wall coating, which comprises, in terms of mass fraction, 20-40 parts of silica sol and 0.8-1.5 parts of an antiviral and antibacterial preservative. The antiviral and antibacterial preservative comprises triazole compounds, isothiazolinone compounds, pyridine oxide sulfide compounds and chlorohydroxy diphenyl ether compounds, which can play a synergistic role, so that the coating has excellent antiviral and antibacterial activity, durability and alkali resistance. The silica sol and the antiviral and antibacterial preservative are reasonably compounded, so that the antiviral and antibacterial preservative fully plays its performance advantages, and the coating has good uniformity and stability.

This invention discloses a benzylpiperidine-containing thiazoline-2,4-dione derivative, its preparation method, and its application, belonging to the field of pesticide synthesis and application technology. This invention synthesizes a series of benzylpiperidine-containing thiazoline-2,4-dione derivatives by combining the highly active benzylpiperidine group with a thiazoline-2,4-dione structure via flexible bonds. Through tests on the inhibitory activity of the synthesized benzylpiperidine-containing thiazoline-2,4-dione derivatives against plant pathogenic fungi, it was found that the benzylpiperidine-containing thiazoline-2,4-dione derivatives synthesized in this invention can effectively inhibit plant pathogenic fungi, especially rice sheath blight pathogen.

The invention relates to a mining HBK special structure co-treatment material and a spraying system thereof. The material is prepared from the following components in parts by mass: 78-82 parts of plastic concrete, 4-6 parts of ceramic grinding powder, 20-22 parts of polypropylene fiber, 5-10 parts of polyisobutene, 12-15 parts of hollow glass beads, 5-10 parts of reflective powder, 7-9 parts of an antibacterial asexual nano material, 0.3-0.5 part of a mildew preventive, 1-1.5 parts of an antistatic agent, 5-15 parts of a radioactive absorbent, 0.6-1 part of a pH regulator, 1-2.5 parts of an accelerator and 4-5 parts of a flame retardant. 1-2.5 parts of a water reducing agent and 2-4 parts of a curing agent. The material disclosed by the invention contains the radioactive absorbent nano barium metaborate and the mildew preventive isothiazolinone in a certain proportion, so that the material can absorb and shield radioactive radon, is good in antibacterial and mildew-proof performance, reduces the mildew diffusion pollution of bacteria and fungi on the surface of a mining roadway, and ensures the body health of miners.

The application belongs to the technical field of organic polymer compound preparation, and relates to an oilfield water injection and polymer injection glass steel pipeline material and a preparation method, which comprises, from inside to outside, an anticorrosive wear-resistant inner layer and a high-pressure anti-aging outer layer; the anticorrosive wear-resistant inner layer comprises epoxy vinyl ester resin, graphene-polytetrafluoroethylene composite powder, nano silicon dioxide, nano zinc oxide, isothiazolinone microbial inhibitor, methyl tetrahydrophthalic anhydride curing agent and dimethyl aniline accelerator; the high-pressure anti-aging outer layer comprises bisphenol A type epoxy resin, phenolic resin, surface modified glass fiber, nano silicon carbide, aromatic amine curing agent, triethanolamine accelerator, polysulfide rubber toughening agent, ultraviolet absorber, antioxidant and nano boron nitride; through overall cooperation of component matching and process improvement, the performance is obviously improved, the oilfield water injection and polymer injection complex working conditions are adapted, and a plurality of technical shortcomings of the existing glass steel pipeline are solved.

A composition for semiconductor processing includes polishing particles, water, and a biocide. The biocide includes a first biocide and a second biocide, the first biocide includes a thiazolinone-based compound, and the second biocide includes a chloric acid-based compound.

The present application relates to the technical field of hydrophobic and oleophobic antifouling paint, and discloses a hydrophobic and oleophobic antifouling paint and a preparation method thereof, a hydrophobic and oleophobic antifouling coating and application, which comprises: using isothiazolinone quaternary ammonium salt as a dispersant in the base coating of the hydrophobic and oleophobic antifouling paint, so that the contact angle after spraying reaches the technical requirements of the industry standard for super-hydrophobic and super-oleophobic; further adding isothiazolinone quaternary ammonium salt as an antibacterial agent in the top coating formula of the hydrophobic and oleophobic antifouling paint, so that a hydrophobic and oleophobic antifouling paint with antibacterial function is prepared, which has an antibacterial rate of more than 95% for staphylococcus aureus and escherichia coli, and exhibits excellent antibacterial capacity. The present application provides a preparation method of a hydrophobic and oleophobic antifouling paint, and the hydrophobic and oleophobic antifouling paint product prepared by the method has excellent comprehensive performance, and can be applied not only in the injection molding field, but also in the industrial and civil facility fields with needs for antifouling, super-hydrophobic, super-self-cleaning and antibacterial.

This disclosure discloses a method for preparing 2,5-furandicarboxylic acid (FDCA) compounds. The method includes providing a hexose diacid compound, an acid catalyst, and an ionic liquid; and dehydrating the hexose diacid compound in the ionic liquid under the catalysis of the acid catalyst to form a 2,5-furandicarboxylic acid compound; wherein the ionic liquid comprises a cationic moiety selected from pyridinium, pyridazinium, pyrimidinium, pyrazinium, oxazinium, thiazinium, imidazoline, pyrazolium, thiazoline, isothiazinium, oxazolium, isoxazolium, or triazolium and an anionic moiety selected from halide anions.

The invention belongs to the field of textile auxiliaries, and provides water-soluble wool lubricating oil, a preparation method thereof and application of the water-soluble wool lubricating oil to improvement of textile performance. The water-soluble wool lubricating oil is prepared from the following components: polyethylene glycol laurate, sorbitol laurate, a polyoxyethylene polyoxypropylene block copolymer, isothiazolinone, castor oil polyoxyethylene ether and an auxiliary agent. The water-soluble wool lubricating oil provided by the invention further comprises one or more of flavonoids extracted from natural plants, 3-(trimethoxysilyl) propyl dimethyl octadecyl amine chloride and pyrethroid. The wool lubricating oil provided by the invention has mothproof, antibacterial and enzyme-proof effects on textiles. The technical problems that a traditional mothproof agent, a traditional antibacterial agent and a traditional enzyme-proof agent in the domestic wool spinning industry are insoluble in water, uneven in wool blending and poor in effect, spinning is affected, and even the strength of yarn, the spinnability of fiber and the yield are affected can be effectively solved.

This invention belongs to the field of plant extraction technology, specifically relating to an extract of wampee peel and its applications. The invention employs a ternary eutectic solvent system of choline chloride-ethylene glycol-water to extract dried wampee peel powder. The resulting wampee peel extract exhibits excellent antioxidant activity, including scavenging abilities of 1,1-diphenyl-2-trinitrophenylhydrazine radicals, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radicals, and iron ion reducing antioxidant capacity. Simultaneously, it shows significant inhibitory effects on common pathogenic bacteria such as Escherichia coli and Staphylococcus aureus. It can be widely used in the preparation of antioxidant and antibacterial products, providing a new technical pathway for the high-value utilization of wampee peel.

This invention relates to a method for preparing 2,5-furandicarboxylic acid compounds. The method includes: providing a hexose diacid compound, an acid catalyst, and an ionic liquid; and dehydrating the hexose diacid compound in the ionic liquid under the catalysis of the acid catalyst to form the 2,5-furandicarboxylic acid compound. The ionic liquid comprises a cationic moiety selected from pyridinium, pyridazinium, pyrimidinium, pyrazinium, oxazinium, thiazinium, imidazoline, pyrazolium, thiazoline, isothiazinium, oxazolium, isoxazolium, or triazolium, and an anionic moiety selected from halide anions. The acid catalyst comprises trifluoromethanesulfonic acid. The general structural formula of the hexose diacid compound is R1OOC(CHOH)4COOR2, and the structure of the 2,5-furandicarboxylic acid compound is shown in formula (I). This method offers mild reaction conditions; good FDCA selectivity and high yield; high product purity; simple operation; and low pollution.

The present invention provides preservative compositions that can be used as preservatives in various compositions, including personal care formulations, and methods for increasing the efficacy of preservatives in final-use formulations. [Solution] (i) A preservative comprising an acid compound, a phenol compound, a sulfite, an iron chelating agent, an aromatic alcohol, a quaternary ammonium compound, a pyrone compound, a urea compound, an imidazole compound, an isothiazolinone compound, or a combination of two or more preservatives; and (ii) a preservative composition comprising a polyglycerol ester present in an amount that sufficiently increases the efficacy of the preservative compared to the preservative alone, and the amount of increase is greater than the additive effect of the biocidal activity of the preservative and the polyglycerol ester used alone, wherein the weight ratio of the polyglycerol ester to the preservative is in the range of 0.0001 to 2.0.

The present invention provides a water treatment agent composition comprising water, a fluorescent substance which is a tracer substance, and a specific slime inhibitor, and having good stability, as well as a water treatment method using the water treatment agent composition. [Solution] A water treatment agent composition comprising water, a fluorescent substance, and at least one of isothiazolone compound, 2,2-dibromo-2-nitroethanol, and 2-bromo-2-nitropropane-1,3-diol as a slime inhibitor, wherein the pH is less than 1.

This invention relates to the field of pharmaceutical synthesis technology, specifically to a method for preparing a high-purity dotenorazole key intermediate. This invention effectively suppresses the side reactions caused by the oxidation of 2-aminothiophenol and the degradation of the intermediate benzothiazoline by employing a specific reducing agent (preferably tris(2-carboxyethyl)phosphonic acid hydrochloride) combined with a one-pot continuous reaction process. This simplifies the operation steps, significantly improves the reaction yield and product purity, and increases process stability. Experimental results show that the dotenorazole key intermediate prepared using this method can achieve a yield of over 90% and a purity of over 99%, representing a 20-30% increase in yield compared to existing technologies, making it suitable for industrial production.

This application provides a method for preparing a foam ceramic filter using waste chromium corundum, relating to the field of foam ceramics. The method includes: grinding the waste chromium corundum and then sieving it through a 200-mesh sieve to obtain the undersize; mixing a first raw material, sintering it, and then cooling and pulverizing it to obtain a first powder; the first raw material includes 95-97% undersize, 1-2% nano-lanthanum oxide, 1-2% nano-cerium oxide, 0.5-1% sodium dodecylbenzenesulfonate, and K... 4 Sb 2 O 7 0.1-0.5%; the second raw material is mixed with water and stirred to obtain a slurry; the second raw material includes 50-70% of the first powder, 20-40% of alumina, 5-10% of zirconium oxide, 1-5% of isothiazolinone derivative, and 1-5% of ammonium carbonate; the slurry is impregnated with a carrier, then extruded and dried to obtain a blank; the blank is sintered and cooled to obtain a foam ceramic filter. The method provided in this application can prepare foam ceramic filters using waste chromium corundum.