229 results about "Isothiazolinone" patented technology

The invention relates to the technical field of bactericides, and discloses an oilfield flooding bactericide containing plant bactericidal components and a preparation method thereof. The preparation method comprises the following steps: loading the plant-based traditional Chinese medicine extract and the isothiazolinone-based corrosion inhibitor on the silver-loaded cyclodextrin metal organic framework to prepare an antibacterial agent / silver-loaded cyclodextrin metal organic framework composite material, and mixing the antibacterial agent / silver-loaded cyclodextrin metal organic framework composite material with methyl methacrylate to prepare the antibacterial agent / silver-loaded cyclodextrin metal organic framework composite material. The bactericide obtained by carrying out copolymerization reaction on modified hydroxyquinoline, vinyl quaternary phosphonium salt and methacrylic acid through an in-situ polymerization method can effectively kill and inhibit the breeding of sulfate reducing bacteria and other bacteria in oilfield reinjection water, and has a certain corrosion inhibition effect.

The invention discloses a quaternized chitosan benzisothiazolinone derivative as well as a preparation method and application of the quaternized chitosan benzisothiazolinone derivative in efficient antibacterial performance. The derivative has a structure as shown in a formula 1. The preparation method comprises the following steps: reacting chitosan with glycidyl trimethyl ammonium chloride at 60-100 DEG C for 6-48 hours to obtain a product 1, namely hydroxypropyl trimethyl ammonium chloride chitosan (HACC); the preparation method comprises the following steps: reacting 1, 2-benzisothiazolin-3-one with sodium chloroacetate at the temperature of 110-140 DEG C for 12-36 hours to obtain a product 2: 2-(3-carbonyl benzo [d] isothiazole-2-(3H)-yl) acetic acid (BITCOOH); and reacting the product 1 with the product 2 under a neutral condition for 12-48 hours to obtain the quaternized chitosan benzisothiazolinone derivative (HACCBIT). The derivative has a broad-spectrum antibacterial property, and has a killing effect on a plurality of bacteria, such as staphylococcus aureus, escherichia coli, salmonella salmonella salmonella, lactobacillus paracasei, lysinibacillus sphaericus, acinetobacter lwoffii and the like, and the derivative can be used for killing a plurality of bacteria, such as the staphylococcus aureus, the escherichia coli, the salmonella salmonella salmonella, the lactobacillus paracasei, the lysinibacillus sphaericus, the acinetobacter lwoffii and the like.

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 invention relates to the technical field of new materials, and discloses an antibacterial chitosan modified polypropylene fiber, isothiazolinone is used as a heterocyclic compound, the antibacterial mechanism of the antibacterial chitosan modified polypropylene fiber is mainly non-oxidized antibacterial, and a hydrogen bond is formed by a heterocyclic ring and a basic group of DNA in bacteria, so that the DNA structure is destroyed, and the antibacterial and bacteriostatic effects are achieved; a cationic quaternary ammonium salt antibacterial group is introduced to a chitosan molecular chain, cell membranes and cell walls of bacteria can be destroyed through the gravitation effect of an electric field, so that the antibacterial effect is achieved, and under the synergistic effect of the two antibacterial functional groups, the sterilization and bacteriostasis effects on most bacteria on the surface of the fabric can be achieved; meanwhile, due to the introduction of chitosan, hydrophilic groups such as residual hydroxyl groups and amino groups on the chitosan can improve the dyeing performance of the polypropylene and play a role in assisting dyeing of a finishing agent, and a fabric made of the antibacterial polypropylene fiber can have a more long-acting and lasting antibacterial performance.

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 discloses a reagent for detecting the activity of isocitrate dehydrogenase. The reagent consists of a first reagent and a second reagent, the first reagent comprises an electron carrier, isocitric acid or isocitrate, divalent metal ions, a first reagent buffer solution, a first reagent additive, a first reagent preservative and a first reagent surfactant; the divalent metal ions comprise metal ions; the second reagent comprises a dye which comprises tetrazolium salt and has an oxidation state and a reduction state, a cofactor, a second reagent buffer solution, a second reagent additive, a coenzyme stabilizer, a second reagent surfactant and a second reagent preservative; the pH is buffered to 7-9.5 and 5-9 by the first buffer solution and the second buffer solution respectively; the first reagent additive and the second reagent additive comprise divalent metal salt, sugar, sugar alcohol, protein, chelating agent and basic amino acid; the first and second reagent surfactants comprise nonionic and anionic surfactants; the first reagent preservative and the second reagent preservative comprise sodium azide or isothiazolinones. The invention further discloses a corresponding detection method.

The invention relates to an iron removal agent suitable for a water treatment system and application of the iron removal agent. The iron removal agent is prepared from the following components in percentage by weight: 15-35% of poly dimethyl diallyl ammonium chloride, 1-5% of alkyl dimethyl benzyl ammonium halide, 0-0.5% of isothiazolinone and 60-80% of deionized water. Compared with the prior art, the invention overcomes the defects of low iron removal efficiency, large amount of generated mud and the like in the raw water conveying process of a water treatment system or the concentration process of the water system in a common iron removal technology. The iron removal agent is excellent in performance, good in stability and low in use dosage, has general applicability to iron removal in the raw water conveying or water treatment system concentration process, and has the characteristics of no phosphorus, environment friendliness and high efficiency.

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 relates to the field of sponge materials, and provides a flame-retardant sponge material as well as a preparation method and application thereof. The flame-retardant flame-retardant coating is prepared from the following components: phosphorus-based flame retardant modified oxidized feather-shaped carbon nanotubes, phosphorus-containing diol modified silicon dioxide aerogel, polyurethane, aluminum hydroxide, ammonium tripolyphosphate, toluene diisocyanate, deionized water, cyclopentane, triethanolamine, dibutyltin dilaurate, epoxidized soybean oil, talcum powder, an antioxidant, a light stabilizer, pigment and antimony trioxide. The composite material is prepared from expanded graphite, a silicone oil surfactant, an isothiazolinone antibacterial agent and a phosphorus-based flame retardant modified oxidized feather-shaped carbon nanotube through wet oxidation and dimethyl methylphosphonate modification, and phosphorus-containing diol is prepared from diethyl phosphite, diethanol amine and paraformaldehyde through condensation. The sponge disclosed by the invention has excellent mechanical and flame-retardant properties, and is widely applied to the fields of buildings, home furnishing and transportation.

The invention belongs to the technical field of washing products, and particularly relates to sulfur acarus-killing liquid soap and a preparation method thereof. 100% of the shampoo comprises the following raw materials by weight: 10 to 12% of a surfactant, 0.2 to 0.5% of a humectant, 0.2 to 0.5% of isothiazolinone, 0.1 to 0.2% of essence, 1.2 to 2.2% of sulfuric acid, 1.2 to 2.2% of polyvinyl alcohol, 0.1 to 0.3% of a compound traditional Chinese medicine extract, 0.02 to 0.04% of shea butter, 1.2 to 3.2% of butanediol, 0.3 to 1% of an emulsifier, 0.01 to 0.04% of a eucommia bark extract, 0.05 to 0.1% of sodium hydroxide, and the balance of deionized water. The sulfur acarus-killing liquid perfumed soap effectively reduces skin problems by inhibiting reproduction of bacteria and acarus; sulfur has strong bacteriostatic and acarus killing effects, can kill acarus on the surface of skin, and reduces skin problems caused by the acarus. The traditional Chinese medicine composition has the effects of diminishing inflammation and resisting bacteria, and has a good curative effect on skin diseases such as contact dermatitis, seborrheic dermatitis and solar eruption.

The invention provides a method for preparing a storage-resistant water-insoluble isothiazolinone, and belongs to the technical field of chemical synthesis. The invention first uses N,N'-di-n-octyl dithiodipropionamide, a chlorinated solvent and chlorine as raw materials for chlorination reaction to prepare 2-n-octyl isothiazolin-3-ketone OIT and / or 4,5-dichloro-2-n-octyl isothiazolin-3-ketone DCOIT finished products with less impurity content, thereby reducing the discoloration reaction caused by impurities; the product is then mixed with a stabilizer, and the inhibitory effect of the stabilizer on the free radical discoloration process is utilized to finally obtain a storage-resistant water-insoluble isothiazolinone, thereby solving the problem of discoloration of the water-insoluble isothiazolinone during storage.

The invention relates to an antibacterial mildew-proof adhesive and a preparation method thereof. The antibacterial mildew-proof glue is prepared from the following components in parts by weight: 15 to 20 parts of organic-inorganic composite emulsion, 8 to 12 parts of modified silica sol, 12 to 25 parts of glass-based silver-zinc composite antibacterial agent, 0.6 to 2 parts of nano slow-release mildew-proof agent, 0.01 to 2 parts of catalyst, 22 to 40 parts of octyl isothiazolinone, 10 to 20 parts of diisocyanate and 5 to 15 parts of hyperbranched polyamine. The prepared antibacterial and mildewproof glue has good antibacterial and mildewproof effects, and the glass-based silver-zinc composite antibacterial agent added in the mildewproof glue destroys cell structures of mould and bacteria and interferes the metabolic process of the mould and bacteria, so that the antibacterial and mildewproof effects are achieved.

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.