42 results about "TRISODIUM NITRILOTRIACETATE" patented technology

It has been discovered that aminocarboxylic acids are effective breakers for polymer-gelled aqueous fracturing fluids, particularly in the temperature range between about 120° F. (49° C.) and about 280° F. (138° C.). The aminocarboxylic acids are believed to act directly on the polymer and not to any great extent or not to as an effective extent on a crosslinking agent, if present. The polymer may be a polysaccharide, and the aminocarboxylic acid may be selected from the group including, but not necessarily limited to, tetrasodium ethylenediaminetetraacetic acid (Na₄EDTA), tetrasodium propylenediaminetetraacetic acid (Na₄PDTA), trisodium hydroxyethylenediaminetetraacetic acid (Na₄HEDTA), trisodium nitrilotriacetic acid (Na₃NTA), salts of these acids, and mixtures thereof.

The invention relates to a cleaning agent composition, comprising an A agent and a B agent. The A agent and the B agent are stored independently. The A agent comprises citric acid, hydrochloric acid and trisodium nitrilotriacetate; and the B agent contains an anionic surfactant and a dispersing agent, wherein the anionic surfactant is C8-C16 alkylbenzene sulfonate; and the dispersing agent is a (methyl)acrylic homopolymer and/or a (methyl)acrylic acid copolymer. The invention also relates to a method for cleaning a reverse osmosis membrane by using the above cleaning agent composition. A cleaning liquid prepared by the cleaning agent composition can clean the reverse osmosis membrane effectively, makes water yield of a reverse osmosis system restore basically, and can significantly reduce front-and-back pressure difference of the reverse osmosis membrane and reduce conductivity of produced water.

The invention relates to a cleaning agent composition, comprising citric acid, hydrochloric acid, trisodium nitrilotriacetate and a dispersing agent. The dispersing agent is selected at least one from an organic phosphonic acid, a poly-aspartic acid, a polyepoxysuccinic acid and a co-polymer and/or a homopolymer obtained by polymerization of at least one of an unsaturated organic acid, an unsaturated organic acid ester and an unsaturated organic acid anhydride, wherein the organic phosphonic acid comprises one or more of hydroxyls, amino groups, carboxyls and sulfonyls. The invention also relates to a method for cleaning a reverse osmosis membrane by using the above cleaning agent composition. The method comprises the steps of preparing the cleaning agent composition into a cleaning liquid with a pH value of 2.5-3.5 and cleaning the reverse osmosis membrane by using the cleaning liquid. The cleaning liquid prepared by the cleaning agent composition can clean the reverse osmosis membrane effectively, makes water yield of a reverse osmosis system restore basically, and can significantly reduce front-and-back pressure difference of the reverse osmosis membrane and reduce conductivity of produced water.

The invention discloses a preparation method of a nano gold colorimetric sensor, and a sensor prepared by the method and application thereof. The invention aims to overcome the defects of severe sample preservation conditions, high analysis method cost, long analysis time, high operation speciality and the like in most existing chromium ion detection processes (such as ICP (inductively coupled plasma), AAS (atomic absorption spectroscopy), AFS (atomic fluorescence spectroscopy) and the like). By using a gold salt as a gold nanoparticle source and trisodium nitrilotriacetate as a reducer and ligand, reaction is carried out under the condition of a boiling gold salt solution to obtain the stable water-soluble trisodium-nitrilotriacetate-modified nano gold colorimetric sensor. The sensor is convenient to carry, has the advantages of high sensitivity, high selectivity, stability and the like, can implement quick detection on Cr<6+>, has the advantages of high detection speed, high sensitivity and the like, and thus, has wide application prospects and higher market application value.

The invention discloses an oilfield formation supermolecular blocking removal and permeation increasing agent and a blocking removal and permeation increasing system and a utilization method thereof.The oilfield formation supermolecular blocking removal and permeation increasing agent is prepared from, by weight, 10%-15% of sulfonated sodium dioctyl succinate, 1%-5% of trisodium nitrilotriacetate, 1%-5% of tetrasodium iminodisuccinate, 5%-10% of sodium polyacrylate, 5%-10% of polyepoxysuccinic acid and the balance water. By the oilfield formation supermolecular blocking removal and permeationincreasing agent, a blocking removal and permeation increasing radius can be safely increased, formation permeability and crude oil fluidity are improved, quick cleaning of an oil well is realized, the oil well recovery rate is increased, and oil-gas output is increased.

The invention discloses an efficient cleaning agent for automotive glass. The agent is prepared from, by weight, 8-15 parts of potassium hydroxide, 15-25 parts of absolute ethyl alcohol, 5-18 parts of sodium hydroxide, 5-16 parts of potassium carbonate, 6-13 parts of sodium chloride, 3-13 parts of alkyl ether amine oxide, 2-5 parts of trisodium nitrilotriacetate monohydrate, 3-8 parts of dimeric surfactant, 2-10 parts of orange oil, 2.5-13.5 parts of propyl alcohol, 1.5-5.5 parts of potassium pyrophosphate, 3.5-5.8 parts of oxirane, 1.5-2.5 parts of glycol ether, 2-10 parts of water-soluble polymer, 1.8-5.6 parts of weak base, 2.6-6.5 parts of chelating agent, 1.6-2.5 parts of solubilizer, 1.8-2.8 parts of lubricant, 0.5-2.8 parts of essence and the balance water. The efficient cleaning agent for the automotive glass is great in cleaning effect and high in cleaning efficiency.

The invention discloses an automotive glass cleaning agent. The automotive glass cleaning agent comprises the following components in parts by weight: 20-22 parts of absolute alcohol, 8-10 parts of nitrilotriacetic acid sodium salt, 1-3 parts of sodium hydroxide, 6-8 parts of alkyl ether amine oxide, 30-40 parts of water and 10-20 parts of sodium chloride. The automotive glass cleaning agent disclosed by the invention has an obvious cleaning effect, does not damage glass and does not influence transparency of automotive glass, and requirements of people are met.

The invention belongs to the technical field of concrete additives, and discloses a flocculating agent for underwater non-dispersing concrete. The flocculating agent comprises, by weight, 10-30 partsof grafting modified konjaku flour, 3-8 parts of polyethylene glycol (2000-5000) bislaurate, 10-20 parts of dispersing agents, 1-3 parts of trisodium nitrilotriacetate, 3-8 parts of lithium polystyrene sulfonate and 20-50 parts of wollastonite. By the aid of the flocculating agent, blended concrete is rich in viscosity and has good flowability and can automatically level and compact after being poured into underwater space.

The invention discloses high-performance printing ink detergent and a preparing method thereof. The high-performance printing ink detergent is prepared from, by weight, 45-55 parts of kerosene, 4-8 parts of diethylene glycol ether, 3-5 parts of ammonium cocomonoglyceride sulfate, 5-6 parts of dibutyl phthalate, 10-14 parts of trisodium citrate, 14-18 parts of sodium lauroyl sarcosine, 2-4 parts of trisodium nitrilotriacetate, 1-2 parts of sodium tripolyphosphate, 3-5 parts of cetearyl glucoside, 2-3 parts of dodecyl hydroxypropyl phosphate glycine betaine, 0.2-0.6 part of triethanolamine, 0.5-0.9 part of naphthenate imidazoline borate, 0.6-1 part of n-butyl alcohol, 4-6 parts of nanometer 4A zeolite molecular sieves, 3-5 parts of soapnut saponin, 3-4 parts of urea, 2-3 parts of secondary alkyl sodium sulfonate and 85-95 parts of deionized water. The high-performance printing ink detergent is simple in formula, easy to manufacture, good in cleaning effect, safe, nontoxic and high in stability.

The invention provides an antifogging agent for automotive glass. The antifogging agent is prepared from the following components in parts by weight: 20-22 parts of deionized water, 18-20 parts of trisodium nitrilotriacetate, 1-3 parts of coconut diethanolamide, 2-3 parts of ethylene glycol, 4-6 parts of maleic anhydride, 12-15 parts of glycerol, 5-8 parts of betaine, 5-6 parts of apple essence, 1-2 parts of eucomis comosa floral perfume, 1-2 parts of olive oil, 2-4 parts of water-soluble silicone oil, 10-13 parts of citric acid and 1-3 parts of sodium chloride. The antifogging agent for the automotive glass has the advantages of rapidly penetrating, dissolving the fog film on the glass, enabling the glass to be clear and bright, not leaving trace, not influencing the sight line, and the like. The traceless detergent for the automotive glass is scientific in biological formula, is capable of rapidly cleaning and rapidly volatilizing, and does not leave trace. The antifogging agent overcomes that defects that most of the traditional glass cleaning agents are liquid, and easily overflow to the parts such as automotive paint after being sprayed onto the glass, so that inconvenience iscaused, and the like.

The invention provides an elastic rubber material. The elastic rubber material is prepared from, by mass, 7-9 parts of pyrrolidone carboxylic acid-triethanolamine salt, 3-19 parts of sodium benzoate, 10-18 parts of Buna-N rubber, 5-13 parts of ethylene propylene diene monomer, 1-4 parts of ethyl acetate, 3-9 parts of choline, 3-5 parts of paraffin, 6-10 parts of silicic acid, 2-8 parts of resin, 0.2-0.9 part of 1,2,5,6-tetralin benzyl alcohol, 1-3 parts of trisodium nitrilotriacetate, 1-3 parts of dihydroterpenyl acetate, 3-12 parts of hydracrylic acid and 3-10 parts of acetic acid. The elastic rubber material is good in elasticity and long in service life, part replacement is reduced, and waste is reduced.

The invention discloses a high-efficiency automobile glass cleaning liquid composed of the following raw materials in parts by weight: 0.5-3 parts of sodium dodecyl sulfate, 1-3 parts of nitrilotriacetic acid trisodium salt, 1-3 parts of sodium chloride, 1-4 parts of ethanol, 1-4 parts of ethylenediamine tetraacetic acid disodium salt, 1-5 parts of an antioxidant, 1-2 parts of an antifreezing liquid, 0.5-2 parts of a defoaming agent, and 60-70 parts of deionized water. The automobile glass cleaning liquid can effectively remove settled dirt on the glass surface, has good cleaning effect, has anti-freezing performance, and has no corrosion on glass.

The invention belongs to the technical field of chemical engineering, and particularly relates to an automobile glass cleanser and a preparation method thereof. The automobile glass cleanser is mainlyprepared from the following ingredients in percentage by mass: 5 to 15 percent of ethanol, 0.2 to 1.2 percent of EDTA, 0.5 to 1 percent of neovaricaine, 5 to 12 percent of propylene glycol monomethylether, 0.1 to 0.3 percent of propylparaben, 1 to 3 percent of essence, 0.5 to 1.2 percent of trisodium nitrilotriacetate and 30 to 50 percent of water.

The invention relates to a multieffect liquid alkaline assistant for commercial laundry machines and a preparation method thereof. The assistant is prepared by dissolving the following components in percentage by weight in deionized water: 20-30% of sodium hydroxide, 0.2-2% of trisodium nitrilotriacetate, 0.5-2% of phosphate monoester, 0.5-3% of maleic acid-acrylic acid copolymer, 0.1-0.5% of whitener, 0.2-1% of defoaming agent, 0.1-2% of corrosion/scale inhibitor and the balance of deionized water. The invention not only provides the main function of assisting alkaline washing, but also has multiple good effects of hard ion chelation in water, corrosion inhibition, dispersion, redeposition resistance, whitening, defoaming and scale inhibition, and thus, can sufficiently enhance the washing effect of the main washing liquid on the dirty linen.

The invention provides an automobile glass detergent, which comprises the following components in parts by weight: 50 to 70 parts of selaginella uncinata extract, 10 to 15 parts of alkenyl succinic anhydride, 15 to 20 parts of trisodium nitrilotriacetate, 10 to 15 parts of barium sulfate, 5 to 12 parts of citronella oil, 20 to 30 parts of Chinese rose extract, 7 to 12 parts of glycerin, 5 to 8 parts of surfactant, 6 to 9 parts of antioxidant, and 100 to 150 parts of isopropanol. The detergent is prepared by the following steps: evenly mixing and stirring alkenyl succinic anhydride, trisodium nitrilotriacetate, barium sulfate, and isopropanol, then adding selaginella uncinata extract and Chinese rose extract, heating to a temperature of 38 DEG C, maintaining the temperature for 2 hours, heating the mixture under stirring, finally adding residual components, evenly stirring, allowing the system to stand still for 10 to 15 hours, and taking the supernate namely the automobile glass detergent. The detergent comprises selaginella uncinata extract and Chinese rose extract, has a strong decontaminating performance, can kill bacteria, and does not leave any mark on the glass.

The invention discloses an oil sludge demulsifier and a preparation method thereof. The oil sludge demulsifier comprises the following components: trisodium nitrilotriacetate, ethylenediamine tetraacetic acid, an emulsifier, a penetrating agent, inorganic salt, diatomite, alkali and water. The oil sludge demulsifier comprises the following components in percentage by mass: 6.5%-12% of trisodium nitrilotriacetate, 10%-15% of ethylenediamine tetraacetic acid, 3.5%-8% of an emulsifier, 20%-40% of a penetrating agent, 1.5%-5% of inorganic salt, 5%-15% of diatomite, 0.5%-5% of alkali and the balance of water. The oil sludge demulsifier disclosed by the embodiment of the invention is simple in proportioning process, reasonable in proportioning components and convenient to prepare and operate. Moreover, the oil sludge demulsifier is used for oil sludge treatment, and the effective utilization rate of petroleum hydrocarbon is greatly increased, so that oil sludge recycling is improved, and technical reserves are provided for soil remediation in the future.

The invention discloses a blockage removing system. The blockage removing system comprises blockage removing liquid, wherein the blockage removing liquid comprises a chelating agent and a first surface active agent; the chelating agent is one or more than one selected from a group consisting of disodium ethylene diamine tetraacetate, trisodium ethylene diamine tetraacetate, tetrasodium ethylene diamine tetraacetate, trisodium nitrilotriacetate and tetrasodium glutamate diacetate; and the surface tension of the first surface active agent is 19 mN/m to 22 mN/m. The blockage removing system provided by the invention is easy to operate and implement on site, can effectively solve many bottleneck problems such as narrow space of a working platform, ultrahigh temperature, high friction resistance and the like confronted by acid fracturing of an offshore deep-layer ultrahigh-temperature carbonate rock reservoir at present, realizes deep transformation of the offshore deep-layer ultrahigh-temperature carbonate rock reservoir, and effectively releases the productivity of the reservoir.

The invention discloses a ductile rubber material, comprising the following components in parts by mass: 10-20 parts of nitrile rubber, 5-8 parts of EPDM, 3-5 parts of paraffin, 6-12 parts of sodium silicate, 2-8 parts of resin, 0.2-0.9 part of clay, 1-3 parts of trisodium nitrilotriacetate, 1-3 parts of ethylene and 3-10 parts of ethyl acetate. The material is good in tenacity and long in service life and is capable of prolonging the service life of equipment using the rubber, thus reducing waste.

The invention discloses industrial cleaning powder, and relates to the technical field of industrial cleaning powder, and the industrial cleaning powder is prepared from the following components: sodium hydroxide, disodium ethylene diamine tetraacetate, o-hydroxybenzoic acid, sodium carbonate, octamethylcyclotetrasiloxane, trisodium nitrilotriacetate, fatty alcohol-polyoxyethylene ether, an acrylic polymer, a snakegourd seed and wormwood mixed extract, and a whitening agent. And the balance of carboxymethyl cellulose sodium. The prepared novel industrial cleaning powder has an excellent decontamination effect, has certain anti-caking performance and can be stored for a long time.

The invention discloses experimental utensil cleaning liquid for cytobiological and a preparation method of the experimental utensil cleaning liquid. The experimental utensil cleaning liquid comprises the following components in parts by mass: 52-56 parts of sodium dichromate, 54-58 parts of titanium isopropylate, 50-54 parts of methylene glycol ethyl ether, 54-58 parts of alkanol phosphate, 50-54 parts of hydroxyethyl ethylenediamine, 54-58 parts of glycerindiacetate, 50-54 parts of potassium alkyl phosphate ester, 56-60 parts of benzoic acid, 50-54 parts of dichlorotetrafluoroethane, 54-58 parts of nonylphenol polyoxyethylene ether, 50-54 parts of polyoxyethylene stearate, 54-58 parts of lauramidopropyl betaine, 50-54 parts of sodium hexametaphosphate, 54-58 parts of mercaptobenzothiazole, 50-54 parts of tri-sodium nitrilotriacetate, 54-58 parts of triethanolamine, 50-54 parts of chlorothalonil, 54-58 parts of permethrin, 50-54 parts of dodecyl dimethyl benzyl ammonium bromide, 54-58 parts of olein, 50-54 parts of diacetylglycine and 10000-20000 parts of deionized water.

The invention discloses a silicon wafer cleaning agent, a preparation method and a silicon wafer cleaning process. The silicon wafer cleaning agent is prepared from the following components in percentage by mass: 2-6% of inorganic base, 2-6% of trisodium nitrilotriacetate, 0.5-6% of tallow fatty alcohol-polyoxyethylene ether, 2-6% of dodecyl trimethyl ammonium chloride and the balance of pure water. According to the silicon wafer cleaning agent, silicon powder adsorbed on the surface of a silicon wafer can be rapidly cleaned, and the cleaning agent left on the surface of the silicon wafer after cleaning is little; according to the silicon wafer cleaning process disclosed by the invention, the residual organic matters on the surface of the cleaned silicon wafer are few, the appearance qualification rate of the silicon wafer is greatly improved, the surface quality of the silicon wafer is improved, and the conversion efficiency of a manufactured solar cell is improved by 0.03-0.05%.

The invention discloses a floor cleaner. The floor cleaner is mainly prepared from 3-16 parts of glycerinum, 12-16 parts of petroleum, 130-180 parts of deionized water, 4-9 parts of chalk powder, 3-7parts of carrageenan, 2-11 parts of phosphoric acid, 3-6 parts of powder of kallaite, 5-11 parts of turpentine, 4-9 parts of tourmaline, 4-11 parts of silicon dioxide, 2-8 parts of trisodium nitrilotriacetate, 3-8 parts of surface wood pulp, 6-10 parts of powder of tea roots, 3-9 parts of theophylline, 16-21 parts of acrylamide, 8-22 parts of diatomite, 3-15 parts of methyl 2-hydroxy-3-methylbutanoate, 8-17 parts of clove oil, 3-7 parts of ethanediol and 8-21 parts of ethylene sorbitol monolaurate. The cleaner does not get sticky or make residents slip; meanwhile, the cleaner can make dust form integrated spheres, and secondary sweeping is facilitated; the floor cleaner is convenient to use by the residents, and has a good cleaning effect.

The invention relates to the technical field of metal processing, in particular to a surface treatment method of a steel wire for a needle bearing. The treatment method comprises the following steps of acid pickling, flushing, neutralizing, coating and drying. A coating solution adopted in the step of coating comprises the following components in percentage by mass: 15-20% of borax Na2B4O7. 10H2O, 10-20% of Na2B4O7. 10H2O and the balance of water. 1.5 to 2 percent of trisodium phosphate dodecahydrate; the content of the methyl benzotriazole or the benzotriazole is 0.02 to 0.05 percent; 0.01 to 0.03 percent of trisodium nitrilotriacetate; and the balance of water. According to the surface treatment method of the steel wire for the needle bearing, the prepared wiredrawing coating is a physical adsorption layer, no other chemical substances are generated in the treatment process, no hazardous waste is generated, and the problem that slag removal and hazardous waste treatment are needed in the original phosphorus saponification process is solved.

A thickener is prepared from 20-22 parts of poly(terephthalyl alcohol), 6-12 parts of brine, 3-6 parts of diethyl oxalate, 4-12 parts of tree powder, 35-38 parts of phosphate fertilizer, 5-10 parts of high-alumina cement, 30-35 parts of flyash, 23-32 parts of poly(terephthalyl alcohol), 100-200 parts of green manure, 15-21 parts of carbon powder, 12-16 parts of amyl alcohol, 5-8 parts of trisodium nitrilotriacetate, 3-12 parts of clove oil and 25-35 parts of cotton fiber. The thickener is good in quality, suitable for being widely applied to industrial production, reasonable in formula and high in yield.

The invention relates to an aerobic clothing conditioner, which is prepared from the following components in parts by weight: 1.3-2.5 parts of turpentine, 2-3 parts of trisodium nitrilotriacetate, 1.4-2 parts of dimethicone, 2-3.3 parts of hydrogenated resin acid, 1.1-1.5 parts of a fungicide, 3-5.6 parts of a surfactant and 25-30 parts of water. A strong decontamination surfactant is added to a collar cleaner by adopting a special molecular compound technology, stubborn stains are easily removed for difficult-to-wash parts, such as collars and cuffs, and difficult-to-remove stains are actively decomposed, so that the effect is obvious.