Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

1388 results about "Isothiazolinone" patented technology

Isothiazolinone (sometimes isothiazolone) is a heterocyclic chemical compound related to isothiazole. Compared to many other simple hererocycles its discovery is fairly recent, with reports first appearing in the 1960s. The compound itself has no applications, however its derivatives are widely used as biocides.

Phosphorus-free composite scale and corrosion inhibitor, applications thereof, and processing method for circulating water

The invention discloses a phosphorus-free composite scale and corrosion inhibitor, applications thereof, and a processing method for circulating water. The phosphorus-free composite scale and corrosion inhibitor comprises dispersants, phosphorus-free corrosion inhibitors and manganese salts. The weight ratio of the dispersants, the phosphorus-free corrosion inhibitors and the manganese salts is 1:0.5-50:0.025-0.5, wherein the weight of the manganese salts is in terms of manganese ions. The phosphorus-free composite scale and corrosion inhibitor has good synergistic effects with non-oxidation-type bactericides, especially isothiazolinone, and can raise the bactericidal effects of the non-oxidation-type bactericides obviously, the bactericidal speed is rapid and the drug effect time is long. The phosphorus-free composite scale and corrosion inhibitor is environmentally friendly, has phosphorus-free and nitrogen-free characteristics, meets green environmental protection requirements, and reduces environmental burden. The phosphorus-free composite scale and corrosion inhibitor has a wide water quality adaptation range, and is easy to be popularized and applied.
Owner:CHINA PETROLEUM & CHEM CORP +1

Isothiazolinone biocides enhanced by zinc ions

The present invention relates to an antimicrobial composition comprising an isothiazolinone, such as 1,2-benzisothiazolin-3-one, and a zinc compound selected from zinc salts, zinc oxides, zinc hydroxides or combinations thereof. Useful zinc salts include for example, oxides, sulfates, chlorides, and combinations thereof. In use, the zinc from the zinc compound enhances the antimicrobial activity to the isothiazolin-containing composition. This enhancement permits achieving the desired antimicrobial activity at a lower usage rate than is achieved using the isothiazolinone in the absence of the zinc compound. The antimicrobial composition can also contain co-biocides, such as pyrithiones, including zinc pyrithione or copper pyrithione.
Owner:ARCH CHEM INC

Metal-polishing liquid and chemical mechanical polishing method using the same

InactiveUS20070186484A1Effect is not deterioratedPigmenting treatmentOther chemical processesColloidal silicaIn plane
The invention provides a metal polishing liquid comprising an oxidizing agent and colloidal silica in which a part of a surface of the colloidal silica is covered with aluminum atoms, and a Chemical Mechanical Polishing method using the same. An amino acid, a compound having an isothiazoline-3-one skeleton, an organic acid, a passivated film forming agent, a cationic surfactant, a nonionic surfactant, and a water-soluble polymer may be contained. A metal polishing liquid which is used in Chemical Mechanical Polishing in manufacturing of a semiconductor device, attains low dishing of a subject to be polished, and can perform polishing excellent in in-plane uniformity of a surface to be polished.
Owner:FUJIFILM CORP

Composite bactericide containing dialkyl quaternary ammonium salt and its application

A composite disinfectant containing dialkyl quaternary ammonium salt for disinfecting the circulated cooling water contains at least one dialkyl quaternary ammonium salt disinfectant and at least one non-oxide disinfectant chosen from frequency used quaternary ammonium salt, isothiazolinone, glutaraldehyde, and bithiocyanomethane.
Owner:RES INST OF BEIJING YANSHAN PETROCHEM

Special private care wet tissue for women

The invention provides a special private care wet tissue for women. The private care wet tissue is produced through the following steps of: preparing a wet tissue stock solution from a nanosilver solution, water soluble vitamin E, hyaluronic acid, lauric acid modified superoxide dismutase, chamomile flower water, a hydrolyzed pearl solution, a saponin extract, 1,2-propylene glycol, isothiazolinone and deionized water at a certain ratio; evenly and dropwise adding the wet tissue stock solution on a nonwoven spunlace membrane; then hermetically packaging the nonwoven spunlace membrane. For use, the special private care wet tissue for women provided by the invention only needs to be put to flatly cover the private part of a woman, and after a short wait, the wet tissue is used for wiping the private part of the women back and forth a plurality of times. The private care wet tissue special for women provided by the invention is capable of sterilizing and disinfecting the private part of the woman, and also capable of moisturizing and cleaning the skin of the private part; the private care wet tissue has no any side effect and no any irritation.
Owner:深圳市妍倩科技有限公司

Personal care composition containing leghemoglobin

A personal care composition comprising leghemoglobin and at least one preservative selected from the group consisting of alcohols, glycols, parabens, hydantoins, quaternary nitrogen-containing compounds, isothiazolinones, aldehyde-releasing agents, and halogenated compounds. Preferably, the leghemoglobin is a nitrogen fixation root nodule extract providing a leghemoglobin concentration in the composition of between 0.0001% and about 10% based upon the total weight of the composition. Also disclosed is a method for preparing the personal care composition.
Owner:ARCH PERSONAL CARE PROD

Composite bacteria and algae inhibitor and application thereof

ActiveCN104068028AHigh biodegradation rateGood use concentrationBiocideSeawater treatmentChemical industryBacterioplankton
The invention belongs to the fields of chemical industry and water treatment and in particular relates to a composite bacteria and algae inhibitor and application thereof. The composite bacteria and algae inhibitor contains the following components in percentage by mass: 1-40 percent of isothiazolinone, 5-40 percent of 2,2-dibromo-3-nitrilo-propanamide, 20-60 percent of solvent and 10-70 percent of water. The composite bacteria and algae inhibitor is a non-oxide biocide, and when the bacteria and algae inhibitor is applied to a water treatment system, an impact type intermittent dosing mode is adopted, and the addition amount of the bacteria and algae inhibitor in each liter of water is 1mg-100mg. The components in the formula have an obvious synergistic effect and are high in compatibility with a scale inhibitor and a corrosion inhibitor, and the bacteria and algae inhibitor is low in biotoxicity and high in biodegradation rate, has the effects of killing and inhibiting bacterioplankton and algae in water and has effects of stripping and inhibiting bacteria and algae attachments settling and growing on equipment surfaces. During actual application, the composite bacteria and algae inhibitor has the advantages of small addition amount, low using cost, convenience in operation, pollution-free discharge and the like.
Owner:TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI

Personal care composition containing ozone-stressed yeast lysates

InactiveUS20060110815A1Reducing or minimizing ozone-induced skin degradationCosmetic preparationsFungiPersonal careIsothiazolinone
The present invention relates to an ozone-stressed yeast lysate, and a personal care composition including an ozone-stressed yeast lysate and at least one preservative selected from the group consisting of alcohols, glycols, parabens, hydantoins, quaternary nitrogen-containing compounds, isothiazolinones, aldehyde-releasing agents, and halogenated compounds. The present invention also relates to a method for preparing and using the ozone-stressed yeast lysate and the personal care composition.
Owner:ARCH PERSONAL CARE PROD

Fabric detergent with colour-preserving function and preparation method thereof

InactiveCN101798552AReduced or diminished appearanceReduce or reduce lossesOrganic detergent compounding agentsAmpholytes/electroneutral surface-active compoundsBetaineN-Butanol
The invention provides a fabric detergent with colour-preserving function and preparation method thereof. The detergent contains sodium fatty alcohol ether sulphate, laurylamide propyl betaine, alkyl glucoside, fatty alcohol polyoxyethylene (9) ether, sodium alpha-olefin sulphonate, 3-methooxyl-3-methyl-1-butyl alcohol, 1-vinyl pyrrolidone, 1-vinyl copolymer, sodium chloride, 1, 2-benzisothiazolin-3-one, essence, citric acid monohydrate and deionized water. The invention obtain favourable detergency in clothing washing process while realizing colour-preserving effect; the detergent is environmentally friendly, cleaning and colour-preserving are completed in one step, the detergent is non-toxic and non-irritant, and resource is saved.
Owner:北京绿伞科技股份有限公司

Preparation of plant graft healing agent and using method thereof

The invention relates to the technical field of preparation and use of a medicament which is applied to plant grafting and can promote the healing of a graft union, and specifically relates to the preparation of a plant graft healing agent and a using method thereof. The specific technical scheme of the invention is as follows: the plant graft healing agent comprises an agent A and an agent B, wherein the agent A comprises Kathon (isothiazolinone), rhodofix and distilled water; the agent B is super absorbent resin with the water absorption capacity of 400-500 times and the mesh number of 100-120; and when the plant graft healing agent is used, the agent A and the agent B are combined and smeared on the periphery of the graft union. By implementing the plant graft healing agent disclosed by the invention, the graft union of a plant can enable nutrition, sterilization and water to be in place simultaneously; and the plant graft healing agent has the functions of disinfection, sterilization, corrosion prevention, prevention of loss of water and nutrients and the like, and can further promote the healing of a graft wound and improve the survival rate of grafting. In addition, by implementing the plant graft healing agent disclosed by the invention, the operation is flexible and convenient, the production cost of a product is low, the effects are excellent, the application is simple, and the plant graft healing agent can be widely applied to all plants for grafting.
Owner:新疆建咨园林艺术有限公司

Corrosion protection preservative fluid for reliquiae, preparing method and application of the same

The invention relates to a body anti-corrosive preservation solution. The raw materials in percentage by weight of the preservation solution are: 10 to 40 percent of glycerol, 10 to 70 percent of ethanol, 1 to 20 percent of metacetonic acid, 0.1 to 20 percent of hexamethylene tetramine, 0.2 to 10 percent of 5-chloro-2-methyl-4-isothiazoline-3-ketone, 0.1 to 1 percent of peppermint oil and the balance being water. The application mode of the preservation solution comprises the following steps: the anti-corrosive preservation solution is injected into the digestive system of a body from the oral cavity or the nose and the throat of the body; the anti-corrosive preservation solution is injected through an aortic arch, a brachial artery or a femoral artery; and the anti-corrosive preservation solution can also be used to wipe the surface of a body by a tampon dipped in the preservation solution. The body anti-corrosive preservation solution is nontoxic and harmless to an operator and is easy to operate; moreover, the preservation solution has no influence on the environment and excellent anti-corrosive effects, and can ensure that a body maintains a natural state and softness in a natural state (at room temperature) for 5 to 12 days. In addition, the preservation solution can be used repeatedly and has a simple preparing method, easily obtained raw materials and strong maneuverability; moreover, the preservation solution has convenient practical application and is propitious to popularize and use.
Owner:上海市殡葬服务中心

Environmental-friendly micro emulsion cutting fluid

The invention relates to an environmental-friendly micro emulsion cutting fluid, which belongs to the field of chemical industry. The invention aims to provide the environmental-friendly micro emulsion cutting fluid, which not only is capable of protecting the environment but also is capable of performing cooling and lubrication actions in the metal cutting abrasive machining process. The environmental-friendly micro emulsion cutting fluid comprises 10# industrial white oil, sodium petroleum sulfonate, oleic acid, triethanolamine, alkylphenol polyoxyethylene OP-10, alkyl alcohol amido phosphate ester 6503, an antirusting agent monomer, tetradecyl alcohol or stearyl alcohol, benzotriazole, sodium tetraborate, sodium carbonate, triazine compound / benzisothiazolinone bactericide (NEUF652), a defoaming agent MS-455 and water. The environmental-friendly micro emulsion cutting fluid not only has the advantages of good lubricity of an emulsion-type cutting fluid and strong cleaning capacity of synthetic cutting fluid but also is capable of overcoming the defects that the emulsion-type cutting fluid is easy to go bad and stink and has a short service life and the synthetic cutting fluid has poorer lubricating property, and has the characteristics of good lubricity, strong cooling and cleaning capacity, long service life and the like.
Owner:FAW GROUP

Preservative compositions for moist wipes

The present disclosure generally relates to a composition for use with personal care products. The composition comprises a preservative system comprising methylisothiazolinone and a benzoic acid salt or derivative thereof. The weight ratio of methylisothiazolinone and benzoic acid salt in the composition is from about 1:30 to about 1:100. Also disclosed are personal care products, such as wet wipes, impregnated with the composition.
Owner:KIMBERLY-CLARK WORLDWIDE INC

Photoprotectant for wood olein floor and furniture and its preparing process

The emulsified oily lustering preservative agent for wooden floor and furniture consists of carnauba wax 2-6 wt%, coconut oil 0.5-5 wt%, dimethyl silicon oil 0.5-8 wt%, hydrogenated castor oil 0.1-1 wt% and non-ionic surfactant 1-2 wt% except water. Into the components, may be added anti-mildew agent isothiazolinone 0.01-0.05 wt% and perfume 0.01-0.2 wt%. With water, rather than organic matter, as solvent and environment friendly anti-mildew agent, the emulsified oily lustering preservative agent is non-toxic, harmless and environment friendly. It forms resin-like film on the surface of wooden article for protection and raising brightness.
Owner:SHANGHAI JIANGTONG ENVIRONMENTAL PROTECTION TECH

Microencapsulation of biocides and antifouling agents

ActiveUS20060063001A1Good “ in-can ” stabilityTrend downBiocideDead animal preservationIsothiazolinoneWater insoluble
The present invention relates to microencapsulated compositions of isothiazolone derivatives and other water insoluble biocides or antifouling agents. In particular, the present invention relates to microencapsulated 4,5 dichloro 2 n-octyl-3(2H)-isothiazolone(DCOIT), useful in marine antifouling coatings and paints.
Owner:MICROTEK LAB

Agent for cleaning, lustering and protecting surface easy to eliminate and method for producing the same

ActiveCN101220245AWill not burn and explodeNo smellPolishing compositionsParaffin waxSurface cleaning
The invention relates to an easy-erased glazing and protective agent and a preparation method. The invention takes silicon oil, insect wax, paraffine, carnauba wax, stearic acid, trolamine, alkyl phenol polyoxyethylene ether (4), 1.2-benzisothiazdin-3- ketone, essence and de-ionized water as raw materials. In production process, the insect wax, paraffine, carnauba wax and the stearic acid are added to knives barrier emulsified kettle and are heated until reaching from 85 to 88 DEG C; after being hot melted, the raw materials are stirred and then are added with triethanolamine, silicon oil, alkyl phenol polyoxyethylene ether (4) and essence sequentially and stirred evenly. In the process of continuous stirring, the de-ionized water which has a temperature of 85 to 90 DEG C and accounts for from one fifth to two-fifths of the total amount of water is dropped into the emulsified kettle slowly in 30 to 40 minutes, and normal-temperature water is added after phase inversion process of materiels is finished; another 10 minutes is needed for shearing and stirring until all the water are added into the emulsified kettle; the 1.2-benzisothiazdin-3- ketone is added and stirred evenly. At last a nylon screen with 200 meshes is used for filtering, thereby obtaining the easy-erased glazing and protective agent.
Owner:北京绿伞科技股份有限公司

Plant tissue culture bacteriostatic (antiseptic) agent containing botanical fungicide

Provided is a plant tissue culture bacteriostatic (antiseptic) agent containing botanical fungicide. The bacteriostatic (antiseptic) agent comprises isothiazolinone, nisin and aqueous extracts of the Chinese herbal medicines of terminalia, groundsel and aromatic madder. When the bacteriostatic (antiseptic) agent is applied in plant tissue culture, 0.35 to 0.5% of the bacteriostatic (antiseptic) agent is added into a medium, which enables fungal and bacterial contamination to a culture to be effectively reduced or prevented and poses little adverse influence on plant growth, thereby enhancing the success rate of plant tissue culture; the bacteriostatic (antiseptic) agent can also be applied in open type plant culture, e.g., in the rooting phase of sound seedlings during a late plant culture stage, the bacteriostatic (antiseptic) agent is directly added into a medium, and the medium can be inoculated in indoor environment with bacteria or a few bacteria without undergoing the step of autoclaving or operating on a superclean bench, thereby simplifying seedling culture in plant tissue culture, enhancing working efficiency, saving a great amount of energy and reducing production cost for plant tissue culture seedlings; therefore, the bacteriostatic (antiseptic) agent has a critical actual application value.
Owner:TIANJIN BINCHENG LONGDA GROUP

Bactericide for reverse osmosis membrane and method for preparing the same

InactiveCN1843589AExcellent bactericidal and algae killing effectImproved ability to kill bacteria and algaeBiocideSemi-permeable membranesIsothiazolinoneNitro compound
The invention relates to a disinfectant used in anti-penetrate film and relative preparing method. It is characterized in that: said disinfectant is formed by C4H4CLNOS C4H5NOS, bromine nitrogen isothiazole, bromine nitro compound, solvent and water. In the room temperature that under 50Deg. C, adding deionized water or anti-penetrate water; adding solvent into reaction kettle; adding bromine nitrogen isothiazole to be mixed and dissolved; adding bromine nitro compound; and adding C4H4CLNOS C4H5NOS to be mixed for 20-30mins.
Owner:TIANJIN CHEM RES & DESIGN INST

Phosphorus-free composite scale and corrosion inhibitor and application thereof as well as circulating water treatment method

The invention discloses a phosphorus-free composite scale and corrosion inhibitor and application thereof as well as a circulating water treatment method. The phosphorus-free composite scale and corrosion inhibitor comprises a scale inhibitor, a dispersing agent, an organic phosphorus-free corrosion inhibitor and a manganese salt, wherein the scale inhibitor consists of polyaspartic acid and / or polyepoxysuccinic acid; the weight ratio of the scale inhibitor to the dispersing agent to the organic phosphorus-free corrosion inhibitor to the manganese salt is 1:(0.2-10):(0.5-100):(0.025-1); the weight of the manganese salt is calculated according to manganese ions. The phosphorus-free composite scale and corrosion inhibitor and a non-oxidizing bactericide, particularly isothiazolinone, have a good synergistic effect, a sterilizing effect of the non-oxidizing bactericide can be obviously improved, and the fast sterilization and long drug effect time are reflected. In addition, the phosphorus-free composite scale and corrosion inhibitor is environment-friendly, has phosphorus-free and nitrogen-free characteristics and meets the green and environment-friendly requirements, and the environmental burden is lightened. Moreover, the phosphorus-free composite scale and corrosion inhibitor is wide in water quality application range and is easy to popularize and apply.
Owner:CHINA PETROLEUM & CHEM CORP +1

Antifouling paint composition, antifouling paint films, and, ships, underwater underwater structures, fishing gear and fishing nets covered with the films

An antifouling coating composition substantially not containing cuprous oxide and organotins, characterized by comprising (A) a metal-containing copolymer obtained by copolymerization of a polymerizable unsaturated monomer (a1) containing a metal and an unsaturated monomer (a2) capable of radical polymerization containing no metals; (B) 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one; and (C) a metal pyrithione compound. There are provided an antifouling coating composition, antifouling coating film and, covered with the antifouling coating film, marine vessel, underwater structure and fishing gear or fishing net, which can reduce burdens on the environment, exhibiting excellent antifouling performance, and which excel in not only uniform wasting of coating film but also capability of maintaining antifouling performance of coating film for a prolonged period of time.
Owner:CHUGOKU MARINE PAINTS

Bacteriostat composition applicable to plant tissue culture and using method thereof

The invention relates to a bacteriostat composition applicable to plant tissue culture. The bacteriostat composition comprises the following components in percentage by volume: 2.5 percent of epsilon-polylysine, 22 to 29.5 percent of isothiazolinone, 10 to 15 percent of traditional Chinese medicine water extracts, 2.5 percent of potassium sorbate, sodium benzoate and the like, 3.5 percent of stabilizing agent and 47.0 to 59.5 percent of deionized water. When the composition is used for disinfecting explants of plants, the explants are subjected to routine disinfection after being soaked in the bacteriostat, so that the treatment time on corrosive sublimate or sodium hypochlorite can be reduced and the aims of sterilizing and keeping relatively high survival rate of the explants are fulfilled; the bacteriostat is added into a first generation culture medium or a subculture medium, so pollution of fungus and bacteria can be effectively reduced and prevented and the bacteriostat does not have adverse effect on the plant growth; and when applied to plant open culture, such as a strong seeding and rooting stage and the like, the bacteriostat composition can save the culture medium high-pressure sterilizing process, does not need a clean bench, can save energy and reduce the cost of tissue culture seedlings, and improves benefits.
Owner:TIANJIN CITY AGRI BIO TECH RES CENT

Efficient compound sterilizing agent for circulating water system

InactiveCN102726446ASimple production methodFast sterilization speedBiocideFungicidesIsothiazolinoneAmmonium
The invention discloses an efficient compound sterilizing agent for a circulating water system, belonging to the technical field of industrial circulating water treatment. The efficient compound sterilizing agent is characterized in that a quaternary ammonium salt easy to foam is replaced with an environment-friendly quaternary ammonium salt which is difficult to foam and is easy to biodegrade and an assistant is replaced with isothiazolinone with high degrading speed. The efficient compound sterilizing agent comprises the following raw materials and components in percentage by weight: 20-30 percent of glutaraldehyde, 30-40 percent of quaternary ammonium salt, 10-20 percent of isothiazolinone and 20-30 percent of deionized water. A production method of the efficient compound sterilizing agent comprises the following process steps of: 1, adding the glutaraldehyde with the content of active materials of 15 percent and the quaternary ammonium salt into a reaction kettle to be stirred for 5-10 minutes at normal temperature; 2, adding the isothiazolinone with the content of active materials into the reaction kettle to be stirred for 10-15 minutes; and 3, finally, adding the deionized water into the reaction kettle to be stirred for 10-15 minutes to obtain a finished product. The efficient compound sterilizing agent has the advantages of high sterilizing and algae killing speed, less consumption, and no foaming; and used materials are easy to biodegrade, thus the efficient compound sterilizing agent is beneficial to industrial application.
Owner:SHANDONG TIANQING TECH DEV

Water-borne white board pen ink capable of being wiped dryly or with wiping agent and wiping agent thereof

The invention discloses a water-borne white board pen ink capable of being wiped dryly or with wiping agent and the wiping agent thereof. The ink mainly comprises distilled water, film-forming resin, flatting agent, sulfate, castor oil, interfacial agent, color-developing agent, drier and isothiazolinone. The ink is equipped with a special wiping agent. The white board ink uses water as solvent and colorant which reacts with reducer at normal temperature and voltage and is decolorized as the color-developing agent. The handwriting can be wiped dryly in a physical wiping manner and with the wiping agent in a chemical reaction wiping manner. The invention has the advantages of saving energy, environmental protection, no poison and pungent smell, easy writing and wiping, simple manufacture technology, low use cost and stable performance after long-term placement. The ink does not leak into the board face and cause pollution even after long-term use.
Owner:方为

Water base casting coating for heavy casting and manufacturing method thereof

The invention discloses a water base casting coating for a heavy casting and a manufacturing method thereof. The coating is composed of the following components according to proportion by weight: 65-75% of zircon powder, 20-30% of water, 0.8-2.5% of sodium bentonite, 0.1-0.6% of hydrophilic gaseous phase silica, 0.2-0.8% of waterborne polyurethane, 0.2-0.8% of polyvinyl alcohol, 0.6-2% of Water-based acrylic resin, 0.1-0.4% of butyl cellosolve, 0.1-0.3% of tributyl phosphate, 0.1-0.5% of ethylene glycol and 0.05-0.4% of isothiazolinone.The preparation method is advanced and feed compositions are effectively combined.The product features excellent technical indicators such as rheological behaviour, thixotropy, brushing property, suspension property, storage property, film-forming quality, brushing viscosity, thus being capable of meeting technical quality requirements in heavy casting production, in particular to the heavy casting which weighs more than 100 tons.
Owner:德阳立达化工有限公司

LDPE (low-density polyethylene) antibacterial plastic and preparation method therefor

The invention relates to an LDPE (low-density polyethylene) antibacterial plastic and a preparation method therefor. The antibacterial plastic is prepared from the following components in parts by weight: 100-150 parts of LDPE, 3-5 parts of isothiazolinone, 2-5 parts of polyhexamethyleneguanidine, 2-5 parts of betaine, 2-5 parts of nano-zinc oxide powder, 3-5 parts of nano-titanium dioxide, 0.5-2 parts of zinc stearate, 0.5-2 parts of white oil, 0.5-5 parts of a coupler, 0.5-2 parts of oleamide, 0.1-1 part of an ethylene-octene copolymer, 0.5-1 part of an antioxidant, 0.1-3 parts of a styrene-maleic anhydride random copolymer and 0.5-2 parts of a plasticizer. The antibacterial plastic is excellent in mechanical property and processing performance and good in flame retardancy, has good antibacterial property and can be used for plastic products such as plastic films, packaging bags and the like.
Owner:SHENZHEN BOXINMEI NANOMETER TECH CO LTD

Sterilizing and algae-removing agent and application thereof

InactiveCN102578131AEfficient sterilization and algae killing performanceReduce dosageBiocideDisinfectantsIsothiazolinoneEpoxiconazole
The invention discloses a sterilizing and algae-removing agent and an application thereof. The sterilizing and algae-removing agent consists of the following components in parts by weight: 100 parts of dodecyl dimethyl benzyl ammonium chloride, 4-6 parts of sulfamic acid, 60-80 parts of isothiazolinone, 10-20 parts of crylic acid-acrylic ester-sulfonate terpolymer, 60-80 parts of attapulgite clay, 0.2-0.4 parts of 4,4' dichloro-2-hydroxy diphenyl oxide, 4-6 parts of dodecyl ethoxy imidazolidine, 10-18 parts of sodium dichloro isocyanurate, 10-18 parts of methane dithiocyanate and 1-2 parts of epoxiconazole. The sterilizing and algae-removing agent has the advantages of efficient sterilizing and algae-removing performance, small using amount, safety, nontoxicity and environmental friendliness. The sterilizing and algae-removing agent is applied to sterilizing treatment of a circular water system.
Owner:SHANGHAI TAOHONG CHEM TECH

Chemical cleaning method for reverse osmosis membrane element

The invention relates to a chemical cleaning method for a reverse osmosis membrane element, and belongs to the technical field of water treatment. The method comprises the following steps: (1) soaking a first section and a second section of the reverse osmosis membrane element by using an isothiazolinone solution with the content of active matters of 5 to 7 percent, wherein the soaking time is not less than 6 hours; (2) judging a pollutant polluting the reverse osmosis membrane element, and then selecting corresponding chemical cleaning agents; (3) according to chemical cleaning agents selected in the step (2), cleaning the reverse osmosis membrane element in the following three situations, namely cleaning the reverse osmosis membrane element by only using an acid cleaning agent, cleaning the reverse osmosis membrane element by only using an alkaline cleaning agent, and cleaning the reverse osmosis membrane element by using the acid cleaning agent and the alkaline cleaning agent simultaneously. The cleaning effect of the chemical cleaning method is obviously better than that of a conventional cleaning formula; the water yield and the recovery rate can be increased obviously; the operating pressure difference and the conductivity of produced water of reverse osmosis equipment can be reduced; meanwhile, the damage to the membrane element caused by the chemical cleaning times and the chemical agents when the membrane element is cleaned is reduced.
Owner:师宗煤焦化工有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products