191 results about "Isothiazolinone" patented technology

The invention relates to the technical field of reverse osmosis membrane maintenance, in particular to a cleaning scale inhibitor special for a reverse osmosis membrane and application of the cleaning scale inhibitor. The cleaning scale inhibitor provided by the invention comprises an agent A, an agent B and an agent C, the agent A comprises the following components in percentage by mass: 10-20% of organic phosphonic acid, 10-20% of polycarboxylic acid polymer, 5-10% of sulfamic acid, 3-8% of sodium gluconate and the balance of water; the agent B comprises 8-15% of an isothiazolinone bactericide, 5-10% of a nonionic surfactant, 3-8% of a chlorine bactericide, 2-5% of sodium dodecyl benzene sulfonate and the balance of water; and the agent C comprises 10-20% of sodium polyacrylate, 8-15% of sodium hexametaphosphate, 5-10% of citric acid, 3-8% of silicate and the balance of water. The cleaning scale inhibitor provided by the invention has an efficient cleaning effect on various pollutants, is environment-friendly, and does not cause chemical damage to a reverse osmosis membrane.

The invention provides application of a bacteriostatic agent in open type tissue culture and rapid propagation of polyploidy bamboo reeds, and relates to the technical field of tissue culture and rapid propagation of plants, the bacteriostatic agent is applied to the open type tissue culture and rapid propagation process of the polyploidy bamboo reeds, and the use method is that the bacteriostatic agent is added into a culture medium for use or sprayed or oscillated and flushed for use, and the bacteriostatic agent is applied to the open type tissue culture and rapid propagation process of the polyploidy bamboo reeds. The bacteriostatic agent is formed by mixing isothiazolinone and sodium dehydroacetate, the mass addition ratio of the isothiazolinone to the sodium dehydroacetate is (8-5): (2-5), and the method comprises the following steps: S1, primary culture of explants; s2, multiplication culture of seedlings; s3, rooting culture, wherein each liter of the culture medium contains 0.05-1g of the bacteriostatic agent in the above steps. The method has the beneficial effects that under the condition that the method does not need to be controlled in a sterile environment and does not depend on the quality of an inoculator, a large amount of propagation of the polyploidy bamboo reed tissue culture seedlings is realized by adopting an open tissue culture technical mode, the productivity speed of a tissue culture center is improved, and the construction threshold and cost of the tissue culture center are reduced.

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

The invention discloses a loss-resistant mildew-proof flame retardant for wood and bamboo wood and a preparation method and application of the loss-resistant mildew-proof flame retardant for the wood and bamboo wood, and the loss-resistant mildew-proof flame retardant for the wood and bamboo wood has the advantages that through the synergistic effect of a surfactant and low-molecular resin (polyethylene glycol diglycidyl ether); the compatibility problem between an organic antiseptic and mildew-proof agent (isothiazolinone organic mildew-proof agent) and an inorganic flame retardant (boric acid and ammonium polyphosphate) is successfully solved, the mildew-proof and flame-retardant properties of wood can be effectively improved, polyethylene glycol diglycidyl ether reacts with cell walls of wood and bamboos under the action of an initiator, so that the compatibility between the organic antiseptic and mildew-proof agent (isothiazolinone organic mildew-proof agent) and the inorganic flame retardant (boric acid and ammonium polyphosphate) is improved. The excellent leach resistance is endowed.

The invention provides a cable material and a preparation method thereof. The cable material comprises the following components in parts by weight: 200 parts of polyolefin resin, 2-5 parts of a silane crosslinking agent, 0.1-0.2 part of an initiator, 2-5 parts of a catalyst, 160-200 parts of a flame retardant, 2-5 parts of an antioxidant, 5-10 parts of a mildew-resistant agent and 2-5 parts of a lubricant, wherein the mildew-resistant agent comprises an organic mildew-resistant agent, and the organic mildew-resistant auxiliary agent is an isothiazolinone mildew-resistant agent and / or a quaternary ammonium salt mildew-resistant agent. The cable material disclosed by the invention has good flame retardance, high temperature resistance and mildew resistance.

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 organic mildew preventive for a light degradation resistant water-based paint as well as a preparation method and application of the organic mildew preventive, and the organic mildew preventive comprises the following raw material components in parts by weight: 0.10-2.00 parts of an isothiazolinone organic mildew preventive, 0.50-5.00 parts of a triazole organic mildew preventive, 3.00-10.00 parts of isopropanol, 3.00-10.00 parts of vegetable oleic acid and 0.10-1.20 parts of a rare earth light stabilizer. According to the invention, through specific types and proportions of the rare earth light stabilizer and the organic light stabilizer, a synergistic effect between the rare earth light stabilizer and the organic light stabilizer is realized, functional complementation is promoted, a multiple stabilization mechanism is initiated, and the rare earth light stabilizer and the organic light stabilizer have the advantages of high stability, low cost and high efficiency. The light stability of the organic mildew preventive in an outdoor environment is obviously enhanced.

The invention discloses a quaternary ammonium salt type composite algaecide for preventing and controlling harmful algae in a reservoir water body and a preparation method of the quaternary ammonium salt type composite algaecide. According to the preparation method, gemini quaternary ammonium salt (dichlorinated 1, 1 '-([1, 1'-biphenyl]-4, 4 '-diyl) bis (N-benzyl-N, N-dimethyl ammonium), dichlorinated N, N'-([1, 1 '-biphenyl]-4, 4'-diyl bis (methylene)) bis (N, N '-(1, 1'-biphenyl]-4, 4 '-diyl bis (methylene)) is utilized to react with N, N'-(1, 1 '-biphenyl]-4, 4'-diyl) bis (N-benzyl-N, N- According to the present invention, N, N-dimethylpyridine-4-amine), dodecyl dimethyl benzyl ammonium bromide, dodecyl dimethyl benzyl ammonium chloride, hexadecyl dimethyl benzyl ammonium chloride, benzalkonium chloride, isothiazolinone and derivatives thereof are respectively subjected to synergistic algal inhibition, and are used for inhibiting common algal blooms in reservoir water. The quaternary ammonium salt type composite algaecide has a higher removal rate on harmful algae (such as microcystis aeruginosa) in a water body of a reservoir, can effectively control water bloom caused by the harmful algae in the water body, and is simple to prepare and good in algae removal effect.

The invention discloses a solubility-resistant fluoride-free aqueous film-forming foam extinguishing agent and a preparation method thereof, and relates to the technical field of extinguishing agents. The invention discloses a soluble-resistant fluoride-free aqueous film-forming foam extinguishing agent. The cleaning agent is prepared from the following raw materials in parts by weight: 8 to 12 parts of a compound surfactant, 15 to 20 parts of modified polyvinyl acetate, 3 to 5 parts of modified xanthan gum, 5 to 8 parts of ethylene glycol butyl ether, 4 to 6 parts of propylene glycol, 0.5 to 1 part of benzotriazole, 0.3 to 0.6 part of triethanolamine, 0.2 to 0.4 part of disodium ethylene diamine tetraacetate, 0.8 to 1.2 parts of hydroxyethyl cellulose, 0.1 to 0.3 part of polyether modified silicone oil and 0.05 to 0.1 part of isothiazolinone. 6-9 parts of ammonium dihydrogen phosphate and the balance of deionized water. According to the anti-dissolution fluoride-free aqueous film-forming foam extinguishing agent, fluoride-free components are more environmentally friendly, and the requirement for green development is met; the compound surfactant has a synergistic effect with the modified polyvinyl acetate and the modified xanthan gum, so that the fire extinguishing efficiency and the solubility resistance are improved; the process is clear, parameters are clear, the product stability is good through ultrasonic dispersion and high-pressure homogenization treatment, the performance is optimized through multiple additives, and the application scene is wide.

The present invention belongs to the field of building materials, and particularly relates to a preservative for a polycarboxylate superplasticizer containing an isothiazolinone composition, and a preparation method for the preservative. The present invention comprises the following raw materials in parts by weight: 1-15 parts of an anti-corrosion monomer, 0.5-2.0 parts of a bactericidal monomer, 1-2 parts of a stabilizer and 50-90 parts of water, wherein the bactericidal monomer is an isothiazolinone composition and comprises an isothiazolinone derivative and an isothiazolinone quaternary ammonium salt; and the anti-corrosion monomer is organic bromine. The present invention employs the preservative for a polycarboxylate superplasticizer, in which an organic bromine substance and an isothiazolinone derivative are used in cooperation. The preservative has excellent antimicrobial performance and tolerance, and can be widely applied to various fields.

The invention provides a regreening agent spray for live moss oversummering and a preparation method of the regreening agent spray. Comprising the following components in parts by weight: 40 to 45 parts of water-based silicone acrylic emulsion, 0.1 to 0.3 part of hydroxyethyl cellulose thickening agent, 0.1 to 0.3 part of sodium bicarbonate, 0.3 to 0.8 part of sodium polyacrylate dispersing agent, 0.1 to 0.3 part of polyether modified silicon defoaming agent, 40 to 45 parts of sodium copper chlorophyllin, 0.01 to 0.03 part of color fixing agent, 5 to 10 parts of rutile type titanium dioxide powder, 0.3 to 0.5 part of nonionic water-based polyurethane thickening agent, 0.01 to 0.2 part of organic silicon flatting agent, 0.8 to 2 parts of film-forming agent and 0.001 part of organic silicon flatting agent. 0.003 part of an isothiazolinone bacteriostatic agent and 2 to 10 parts of deionized water; the coating prepared by the invention not only can enable withered and yellow landscape moss to recover green in a short time, but also has good low toxicity and air permeability, so that the moss can normally grow, and meanwhile, the waterproof, light-resistant and antibacterial properties required by outdoor coating application are met.

The application belongs to the technical field of organic synthesis, and particularly relates to a preparation method of 5-chloro-2-methyl-4-isothiazoline-3-ketone. N,N'-dimethyl-3,3'-dithiodipropionamide is mixed with ethyl acetate, cooled to 8-10 DEG C, and chlorine is added in stages, and the reaction is continued after the chlorine is passed; the adding mode of the chlorine is as follows: in the first stage, 25-30% of the chlorine is passed in 0.5h while maintaining the temperature of the reaction system at 10-12 DEG C; in the second stage, 25-30% of the chlorine is passed in 1h while maintaining the temperature of the reaction system at 13-14 DEG C; and in the third stage, the remaining chlorine is passed in 1.5h while maintaining the temperature of the reaction system at 15-18 DEG C. The application controls the generation of 5-chloro-2-methyl-4-isothiazoline-3-ketone by controlling the adding amount of the chlorine and the reaction temperature, and improves the yield of 5-chloro-2-methyl-4-isothiazoline-3-ketone.

The present invention relates to a composition containing (a) a guanidine and / or an unsubstituted guanidine salt, and (b) at least one further component selected from the group consisting of 5-chloro-2-methyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 1, 2-benzisothiazolin-3-one, N-butyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, the cleaning agent is prepared from 2-benzisothiazolin-3-one, octyl isothiazolinone, bronopol, dibromo-nitrilopropionamide, dibromo-dicyanobutane, butyl carbamic acid iodopropynyl ester, aminomethyl propanol, aminoethyl propylene glycol, monoethanolamine, ethylhexylglycerin, hexylglycerin, 1, 2-pentanediol, 1, 2-hexanediol, 1, 2-heptanediol, 1, 2-octylene glycol, phenoxy ethanol and phenethyl alcohol. The cleaning agent is prepared from phenyl propanol, benzyl alcohol, isopropanol, ethylenediamine tetraacetic acid, (1-hydroxyethylidene) diphosphonic acid, 2-mercaptopyridine sodium oxide, 2-mercaptopyridine zinc oxide, o-phenylphenol, sorbic acid, benzoic acid, salicylic acid, lactic acid, citric acid and zinc. The invention also relates to an industrial product containing components (a) and (b), and to the use of said composition for the preservation of containers and for the preservation of industrial products. The invention also relates to the use of (a) a guanidine and / or an unsubstituted guanidine salt for improving the antimicrobial efficacy of one or more compounds selected from the group (b) described above.

The invention provides a function regulator for a centralized liquid supply system, which comprises the following components in 100 parts by weight: 10-30 parts of composite bactericide, 10-25 parts of composite antirust agent, 20-40 parts of composite alcohol amine and 31-55 parts of water, wherein the composite bactericide comprises a bactericide A and a bactericide B, the bactericide A comprises at least one of 1, 3, 5-tris (2-ethoxyl)-hexahydro-triazine, benzisothiazolinone and N, N '-methylenedimorpholine, and the bactericide B comprises at least one of 1, 3, 5-tris (2-ethoxyl)-hexahydro-triazine, benzisothiazolinone and N, N'-methylenedimorpholine; and the bactericide B is prepared from at least one of n-butyl-1, 2-phenylisothiazolin-3-one and iodopropynyl butyl carbamate. According to the functional regulator provided by the invention, the content of each component of the functional regulator is controlled within the range, and specific components are selected and compounded into the composite bactericide, so that the obtained efficient functional regulator can be better used in a centralized liquid supply system, and the capability of inhibiting the performance reduction of the cutting fluid is remarkably improved; therefore, the service life of the cutting fluid is prolonged.

The invention belongs to the technical field of stripping agents, and particularly relates to a slime stripping agent and a preparation method and application thereof. The slime stripping agent disclosed by the invention is prepared from dodecyl dimethyl benzyl amine bromide, dichlorophenol, isothiazolinone, polyoxyethylene alkylolamide, hydroxyethylidene diphosphonic acid, dimethylformamide and sodium dodecyl benzene sulfonate. Through the combined action of the specific components, the slime stripping agent has good stripping capacity and can rapidly permeate and disintegrate slime, dirt and biological membranes attached to the surface of equipment, the cleanliness and operation efficiency of the equipment are recovered, and equipment blockage and performance reduction caused by slime accumulation are effectively avoided; meanwhile, the high killing effect on sulfate reducing bacteria and nitrifying bacteria is achieved.

The invention relates to the technical field of oxygen free radical detection, in particular to a manufacturing process of a portable and reliable oxygen free radical detector. Comprising the following steps: mixing superoxide dismutase, potassium ferricyanide, an isothiazolinone preservative, hexammine ruthenium chloride, polyethylene glycol octylphenol ether, trehalose and bovine serum albumin, and uniformly stirring to prepare an enzyme preparation; mixing an enzyme preparation with the high polymer material solution to form reagent layer slurry with viscosity; uniformly coating the reagent layer slurry on a substrate material, and drying; printing an electrode material on the substrate material to form a working electrode and a counter electrode; the silver electrode is placed in an electrolyte containing chloride ions, potential is applied, the silver surface is subjected to a chlorination reaction, and a silver / silver chloride electrode is formed; covering the reagent layer above the electrode, tightly combining the reagent layer with the electrode in a sticking or hot pressing manner, and cutting to obtain the test paper; the prepared portable oxygen free radical detector can be used for conveniently and efficiently detecting oxygen free radicals of a human body at low cost.

The invention relates to an isopentenol polyoxyethylene ether defoaming agent and a preparation method thereof, the defoaming agent is mainly prepared from a cross-linked acrylic copolymer emulsion, an alkali swelling thickener, a modified organic silicon defoaming active matter, a pH regulator (NaOH / KOH), an isothiazolinone bactericide, deionized water and the like in proportion, and the defoaming agent has excellent defoaming performance and stability. A specific auxiliary agent is added. The foam problem of an isopentenol polyoxyethylene ether product in downstream application is solved, and the defoaming agent is mainly applied to defoaming of isopentenol polyoxyethylene ether.

The application discloses a high-protection water-based outdoor wood one-coat paint and a preparation method thereof, and belongs to the field of paints. The method comprises the following steps: adding water-based acrylic resin and high-flexibility fluorine-containing acrylic emulsion into a paint mixing kettle and uniformly stirring; then adding dipropylene glycol methyl ether, dipropylene glycol butyl ether, a base material wetting agent, a defoaming agent, a scratch-resistant additive, and water into a batching kettle to obtain a dispersed mixed solution; mixing the dispersed mixed solution, modified nano cerium oxide-silicon nitride compound slurry and water-based titanium white paste again, adding micro-fine silica aerogel powder after mixing, adding isothiazolinone bactericide and tannin acid inhibitor after fine dispersion, mixing again, filtering the product after adjusting the system viscosity by adding an associated polyurethane thickening agent, and obtaining the high-protection water-based outdoor wood one-coat paint.

The invention provides dewaxing, repairing and blocking integrated liquid and application thereof in a pathological specimen immunohistochemical operation method. The dewaxing, repairing and blocking integrated liquid is prepared from the following components in percentage by mass: 1.0 to 5.0 percent of Triton-100, 1.0 to 5.0 percent of Tween 20, 0.1 to 3.0 percent of fatty acid methyl ester ethoxylate, 0.1 to 1.0 percent of tetrahydrofurfuryl alcohol, 0.001 to 0.01 percent of 2-methyl-3-isothiazolinone, 0.01 to 4.0 percent of buffer solution and the balance of water. In the process of applying the dewaxing, repairing and blocking integrated body fluid to the pathological specimen immunohistochemical operation method, compared with an existing laboratory method, the dewaxing, repairing and blocking integrated body fluid is used at the temperature of 65-75 DEG C, the steps of xylene dewaxing and gradient alcohol hydration after dewaxing in an existing laboratory can be replaced, the temperature continues to rise to 95-99 DEG C, and when antigen repairing is conducted on a sample, the temperature of the sample is lowered to 95-99 DEG C; according to the method, the step of blocking 0.3-3% of hydrogen peroxide in an existing laboratory is replaced by the enzyme activity of high temperature on endogenous catalase, and the same effects of dewaxing, repairing and blocking in the existing laboratory are achieved on the basis of reducing the experimental steps and the experimental time.

The present application relates to the technical field of lubricating grease, and provides a marine antifouling lubricating grease composition and a preparation method thereof.The marine antifouling lubricating grease composition provided by the present application comprises the following components: base oil 42.8-88.98%, thickening agent 4-10%, antioxidant 0.5-2%, extreme pressure anti-wear agent 5-40%, antirust agent 0.5-2%, adhesion agent 0.5-3%, metal passivator 0.02-0.2%, and marine organism inhibitor 0.5-5%.The present application adopts a composite aluminum-based thickening agent with good water resistance as the thickening agent, 4,5-dichloro-2-n-octyl-3-isothiazolinone as the marine organism inhibitor, and nano active calcium carbonate and / or polytetrafluoroethylene as the extreme pressure anti-wear agent, so that the obtained lubricating grease composition can effectively inhibit the adsorption of marine organisms and grow in water, and simultaneously has the functional characteristics of seawater resistance and high wear resistance, and can provide long-term reliable lubrication for mechanical moving parts working in a seawater environment.

The present invention relates to the field of product quality analysis, and specifically, a test kit and detection method for testing isothiazolinone in textiles. A pretreatment step of the present invention adopts a unique process, which may fully transfer isothiazolinone to an acetone and water mixed solution, so that a more accurate measurement result can be achieved. The testing method of the present invention dose not add indicators, does not use large-scale analysis instruments, and is accurate in measurement, easy in reaction termination determination, high in accuracy, low in cost, and strong in popularization and application.

This invention provides an antibacterial and antifungal TPE material, belonging to the field of thermoplastic elastomer technology. The antibacterial and antifungal TPE material of this invention comprises the following components: SEBS, PP, a plasticizer, modified nano-zinc oxide, N-n-butyl-1,2-benzisothiazolin-3-one, 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, an antioxidant, and zinc stearate; wherein the modified nano-zinc oxide is obtained by melt blending nano-zinc oxide with maleic anhydride-grafted SEBS, the mass ratio of the modified nano-zinc oxide to the maleic anhydride-grafted SEBS is (0.6-1.7):1, and the particle size of the nano-zinc oxide is 20-50 nm; the free acid content of the zinc stearate is 0.3%-0.5%. The antibacterial and antifungal TPE material of this invention possesses good antibacterial properties, antifungal properties, and tensile strength.

The invention relates to a green, safe and environment-friendly granulation auxiliary agent for granular urea and a preparation method and application thereof.The granulation auxiliary agent is prepared from 10%-20% of crystalline fructose, 5%-15% of carboxymethyl cellulose, 5%-15% of polyaspartic acid, 0.1%-0.5% of isothiazolinone and 50%-79.9% of purified water. Adding carboxymethyl cellulose in a spreading manner at normal temperature, standing on the water surface, and starting to stir uniformly after absorbing water and swelling for 24 hours, so as to obtain a carboxymethyl cellulose aqueous solution; stirring and completely dissolving the residual purified water, crystalline fructose and polyaspartic acid in another reaction kettle, adding the solution into the carboxymethyl cellulose aqueous solution within 1.5-2.5 hours, and continuously stirring; and finally, adding isothiazolinone, and uniformly stirring to obtain the granulation auxiliary agent. When the granulation aid is used, 0.5-2.0 kg of the granulation aid is pumped into a urea production system by a pressure pump per ton of urea to ensure that the granulation aid is effectively, sufficiently and uniformly mixed with urea melt to play a role in granulation, so that the traditional urea granulation aid formaldehyde is replaced.

The application belongs to the field of detection reagents, and particularly relates to a single-component luminol chemiluminescence substrate liquid and a preparation method thereof. The single-component luminol chemiluminescence substrate liquid comprises the following components: sodium acetate, sodium perborate, N-N dimethylacetamide, beta-cyclodextrin, luminol, 4-morpholinopyridine, p-acetylaminophenol, 4-hydroxyphenylacetic acid, phenothiazine-10-yl-propyl sulfonic acid sodium salt and isothiazolinone. The purpose of the application is to solve the technical defects that the luminol chemiluminescence substrate liquid in the prior art must be packaged in two components due to the instability of the luminous agent and the oxidizing agent in the liquid phase, leading to inconvenient use and easy introduction of operation errors, so as to provide a single-component luminol chemiluminescence substrate liquid and a preparation method thereof, which have high storage stability, high luminous performance and convenient use.

The present invention discloses a tubular mixing reactor for producing isothiazolinone in the technical field of tubular mixing reactors, comprising a tubular body, and also comprising an airflow column arranged in the middle of the inner cavity of the tubular body, the airflow is communicated with the inner cavity of the tubular body through the outer wall from one end of the inner cavity of the airflow column, a mixing piece is rotatably connected to the inner wall of the tubular body, an air outlet of the airflow column is arranged at one end of the tubular body, and a transmission mechanism connected to the mixing piece is arranged at the air outlet. By installing the airflow column in the tubular body, it is possible to achieve full mixing of the reaction materials through the porous output of the airflow and the blowing of the reaction materials by multiple airflow points during the transportation of the reaction materials, and at the same time, under the action of the airflow, the external mixing cylinder drives the reaction materials to perform operations such as turning the materials, which greatly improves the ability of the materials required for mixed reaction in the production of isothiazolinone to fully carry out mixed reaction, and the production process is easy to control, reduces energy consumption, and improves production efficiency and the safety factor of the production process.

The utility model discloses a 1, 2-benzisothiazolin-3-ketone alkali dissolution reaction system which comprises a working table, one side of the working table is fixedly connected with a left supporting plate, the other side of the working table is fixedly connected with a right supporting plate, one side of the upper surface of the working table is fixedly connected with a bearing, the upper end of the bearing is rotatably connected with a reaction kettle, and the upper end of the reaction kettle is rotatably connected with a motor. A connecting rod is fixedly connected to the interior of the reaction kettle, a plurality of first stirring rods are fixedly connected to the surface of the connecting rod, a power structure is fixedly connected to the upper surface of the right supporting plate, and a heating base is fixedly connected to the other side of the upper surface of the workbench. The reaction kettle and the power structure are arranged, so that the device can fully mix reaction solutions under the condition that the reaction environment is sealed, the condition that the reaction is not thorough due to the fact that one side with large density sinks is avoided, and the device can process ingredients during reaction in the reaction kettle by arranging the heating seat.

The invention discloses an antibacterial and antifouling fabric, a preparation method thereof and a vehicle, the antibacterial and antifouling fabric comprises a fabric and a modified composition combined with the fabric, and the fabric is made of at least one of polyester fibers and nylon; based on the weight of the modified composition, the modified composition is prepared from the following components in parts by weight: 100 to 150 parts of fluorine-containing acrylate polymer, 100 to 150 parts of isothiazolinone compound and 215 to 360 parts of functional additive. The fabric is modified through the fluorine-containing acrylate polymer and the isothiazolinone compound, so that the fabric has better antifouling and antibacterial properties and also has obvious wear resistance and stability.

The invention relates to an efficient multifunctional cleaning agent for a medical endoscope and a preparation method of the efficient multifunctional cleaning agent, and belongs to the technical field of medical cleaning. The cleaning agent is prepared from isopropyl alcohol, glycerol, propylene glycol, TritonX-100, fatty alcohol-polyoxyethylene ether, mannitol, 4-FPBA, hydroxytyrosol, sodium formate, benzisothiazolinone, a multienzyme compound and deionized water according to a specific ratio. The preparation method comprises the steps of step-by-step dissolution, temperature-controlled mixing and low-temperature enzyme adding. The cleaning agent can effectively remove stubborn stains such as protein and fat on the surface of an endoscope (the removal rate is larger than or equal to 90%), the bacteriostasis rate on escherichia coli and staphylococcus aureus is larger than or equal to 99%, and corrosion to stainless steel, rubber and plastic materials is avoided. Experiments show that the enzyme activity retention rate of the multienzyme compound still reaches 80% or above after the multienzyme compound is stored for 2 years, and the technical problems that an existing cleaning agent is not thorough in decontamination, poor in antibacterial activity and capable of corroding equipment are solved.