56 results about "Didodecyldimethylammonium chloride" patented technology

The invention relates to an o-phthalaldehyde disinfectant and a preparation method thereof. The o-phthalaldehyde disinfectant comprises the following components in percentage by weight: 0.2 to 1 percent of o-phthalaldehyde, 0.1 to 0.5 percent of salicylic acid, 0.5 to 1.5 percent of dodecyldimethylbenzylammonium chloride, 1 to 10 percent of ethanol, 0.1 to 1 percent of disodium hydrogen phosphate, 1 to 10 percent of ethanol, 0.1 to 1 percent of sodium dihydrogen phosphate, 0.1 to 0.5 percent of inhibitor, 0.01 to 0.1 percent of ethylene diamine tetraacetic acid and the balance of water. The method for preparing the disinfectant comprises the steps of: adding the o-phthalaldehyde into the ethanol according to the content and component, stirring and mixing the materials; adding water into the materials and stirring the mixture; and adding the dodecyldimethylbenzylammonium chloride, the disodium hydrogen phosphate, the sodium dihydrogen phosphate, the inhibitor and the ethylene diamine tetraacetic acid into the mixture in sequence and stirring the mixed solution to allow the added materials to dissolve to obtain the o-phthalaldehyde disinfectant. The disinfectant has the advantages of no pungent smell, safety, low toxicity, stable property and convenient use, can be used for high-level disinfection of the heat-labile medical equipment and is particularly applicable to an endoscope automatic washing and disinfecting machine to perform high-level disinfection on an endoscope.

An industrial water treatment bactericide consists of three ingredients of alkyl quaternary phosphonium salt, quaternary ammonium salt and tributyltin chloride, wherein the alkyl quaternary phosphonium salt is one of or a composition of tributyltetradecylphosphonium chloride and tetrakisphosphonium sulfate; the quaternary ammonium salt is one of or a composition of dodecyl dimethyl benzyl ammonium chloride and 12-alkyl dimethyl ammonium chloride.

The invention discloses a composite quaternary ammonium salt disinfectant, which is prepared from the following components in terms of 1000mL of volume of the composite quaternary ammonium salt disinfectant: 5g to 30g of didecyldimethylammonium chloride, 5g to 30g of didodecyl dimethyl ammonium chloride, 10g to 50g of benzalkonium chloride, 5g to 30g of disodium ethylenediamine tetraacetate, 5g to30g of tetrasodium ethylenediamine tetraacetate, 0.1 g to 10g of polyvinylamine, 30mL-120mL of ethanol and the balance being water. The benzalkonium chloride is a compound of dodecyl dimethyl benzylammonium chloride, tetradecyl dimethyl benzyl ammonium chloride and hexadecyl dimethyl benzyl ammonium chloride in a mass ratio of (2-6): (2.5-10): 1. The composite quaternary ammonium salt disinfectant disclosed by the invention is short in virus, bacterium and fungus killing time, takes effect quickly, has broad universality, does not cause water body pollution and is environment-friendly.

The invention relates to a fluffy softening agent for a fabric and a preparation method thereof, and relates to the technical field of textile auxiliaries. The softening agent is prepared from, by weight, 80-100 parts of polyether aminopolysiloxane oil, 20-40 parts of an emulsifying agent and 10-14 parts of a pH regulator; the polyethe aminopolysiloxane oil is prepared from, by weight, 30-34% of amino silicon oil, 20-24% of allyl polyoxyethylene propene epoxy ether, 10-14% of allyl polyoxyethylene polyoxypropylene amine ether, 8-12% of methyl hexafluorobutyl acrylate, 10-14% of glycidyl dodecyl dimethyl ammonium chloride and 10-14% of isopropanol. By mixing the polyether aminopolysiloxane oil, the emulsifying agent and the pH regulator, the fluffy softening agent for the fabric is obtainedfor improving the fluffy softness of polyether silicone oil.

The invention discloses a phosphorite flotation collecting agent and belongs to the technical field of ore froth flotation collecting agents. The phosphorite flotation collecting agent comprises, by weight, 25-30 parts of amphoteric malic acid derivatives, 5-8 parts of a surface active agent, 1-3 parts of sorbitan monolaurate, 1-3 parts of emulsifier and 40-50 parts of water. The amphoteric malic acid derivatives are obtained in a manner that after malic acid and organic amine react, the product reacts with sulfamic acid and N,N-Dimethyl-N-dodecyl(2-hydroxy-3-chloropropyl)ammonium chloride. The prepared flotation collecting agent can be used for carrying out flotation on phosphate at the temperature ranging from 5 DEG C to 35 DEG C and is good in selectivity for middle-low grade phosphorite, high in collecting capacity and small in amount of usage, and meanwhile, flotation froth is good, non-stick and stable at the low-temperature condition.

The invention provides a colloid foam material for preventing and controlling coal spontaneous combustion. The colloid foam material is prepared from the following ingredients in parts by weight: 100 parts of water, 0.3 to 0.5 part of xanthan gum, 0.3 to 0.5 parts of chitosan, 0.4 to 0.6 part of sodium carboxymethyl starch and 0.4 to 0.6 part of dodecyl dimethyl ammonium chloride. The colloid foam material for preventing and controlling coal spontaneous combustion can effectively prevent and control the coal spontaneous combustion, can also be used for on-site fire extinguishment, has the characteristics of high foaming coefficient, high stability, non-dehydration, low consumption, low cost, safety, environment-friendly property and the like, and has wide application prospects. The invention also provides a preparing method of the colloid foam material for preventing and controlling coal spontaneous combustion. The method has the advantages that the process is simple, and the cost is low.

The invention provides a fiberboard preservative, which consists of the following components in percentage by weight: 23 to 35 percent of cupric sulfate, 4 to 17 percent of didodecyl dimethyl ammonium chloride, 2.2 to 6 percent of sodium borate, 1.3 to 3.8 percent of propiconazole and the balance of deionized water. The antiseptic does not contain arsenic, chromium and other substances, is low in toxicity, and has excellent effects of proofing corrosion and pests.

The invention discloses a plant-type air deodorant for a livestock farm and a preparation method of the plant-type air deodorant, relates to the technical field of air purification, and solves the problems that an existing chemical deodorization technology is not environmentally friendly and deodorization performance of an existing plant-type deodorant is poor. The plant-type air deodorant is composed of wood vinegar, ethanol, copper sulfate or ferric citrate, a surfactant, plant essential oil and deionized water, wherein the weight parts of the wood vinegar are 50-80 parts, the weight parts of the ethanol are 5-10 parts, the weight parts of the copper sulfate or ferric citrate are 1-5 parts, the surfactant is 0.1-2 parts by weight of one selected from polysorbate 80, dodecyl dimethyl ammonium chloride or dodecyl dimethyl benzyl ammonium bromide, the plant essential oil is 0.01-0.1 part of folium artemisiae argyi essential oil or rose essential oil, and the weight parts of deionized water are 0-50 parts. The main raw material of the plant-type air deodorant are is the wood vinegar obtained after low-temperature carbonization of wheat straw or wormwood, and the plant-type air deodorant is harmless to human and livestock, is green and environmentally friendly and has a remarkable deodorization effect.

The invention belongs to the technical field of chemical water treatment and in particular relates to a slime sterilizing and stripping agent applied to industrial circulating water. The slime sterilizing and stripping agent is prepared from the following components in parts by weight: 2.0-2.5 parts of a KF-508 biological dispersant, 2.0-2.5 parts of a penetrant, 15.0-16.0 parts of diquarternary ammonium salt and 80-80.5 parts of water, wherein the KF-508 biological dispersant is a sold macromolecule organic matter formed by compounding of dimethyl amine methylene sodium diphosphate which is produced by Urumqi Science Development Fine Chemical Industry Limited Company; the penetrant is a dodecyl benzyl dimethyl ammonium chloride cationic surfactant; the diquarternary ammonium salt is bis-phenyl imino-dialkyl phenpropyl-dodecyl dimethyl ammonium chloride. The slime sterilizing and stripping agent is mainly used for treating process of the industrial circulating water.

The invention relates to a method for preparing fluorescence silk fibers from a small soluble organic molecule. The small soluble organic molecule 5-oxo-3,5-dihydro-2H-thiazole [3,2-a] pyridine-7-carboxylic acid (TPCA) or 5-oxo-3,5-dihydro-2H-thiazole [3,2-a] pyridine-3,7-dicarboxylic acid (TPDCA) is used as a fluorescence source, the silk fibers are soaked in a fluorescence source water solution after being degummed, TPCA is combined with and adsorbed to silk fibroin macromolecules at the room temperature or the high temperature of 85 DEG C by adjusting the system pH value, and TPCA and silk fibroin macromolecule chains are fixedly combined through the fixation action of didodecyl dimethyl ammonium chloride (DDTAC) to prepare the small organic molecule fluorescence silk fibers which are nontoxic and good in biocompatibility.

The invention discloses a method for preparing a cadmium ion adsorbent in water through wheat straws subjected to combined pretreatment based on dilute sulfuric acid and DDBAC (Dodecyldimethyl Ammonium Chloride) and belongs to the technical field of waste recycling and wastewater treatment. The method disclosed by the invention comprises the following steps: (1) physically treating wheat straws; (2) chemically treating the wheat straws; (3) cleaning; and (4) performing an adsorption experiment. The method is simple and readily available in raw materials, economical and high in efficiency, hashigh efficiency of adsorbing and removing cadmium ions in the water, does not cause secondary pollution, has wide prospects in the field of treatment of heavy metal polluted wastewater, and can achieve an aim of recycling the wastes.

A spectacular fishpond water disinfection powder relates to the technical field of aquaculture, and is made from the following raw materials: 30-40 parts of chlorine dioxide solution, 15-25 parts of hydrogen peroxide solution, 10-20 parts of didodecyl dimethyl dibenzyltinoammonium chloride, 8-10 parts of polyhydroxy polyene polyamine, 2-4 parts of dodecyl triphenyl phosphorus chloride, 3-5 parts of Salvia miltiorrhiza, 2-4 parts of radix angelicae tuhuo, 3-5 parts of Chinese alpine rush, 2-4 parts of saponin, 3-5 parts of folium artemisiae argyi, 2-4 parts of Angelica dahurica, 2-4 parts of patchouli, 1-3 parts of rhizoma kaempferiae, 1-3 parts of Chinese angelica, 2-4 parts of Lysimachia fortunei, 1-3 parts of hibiscus, 1-3 parts of Ranunculus japonucus and 2-4 parts of Carpesium abrotanoides L.. The invention has the beneficial effects that the disinfection powder prepared by the invention has reasonable formula, simple preparation process, potent bactericidal effect on cultured fish, and small content of toxic substances in water, ensures the normal survival of spectacular fish and does not require frequently replacement of water, and is convenient and simple.

The invention discloses a silicon dioxide-methyl methacrylate composite aerogel material based on surface modification and a preparation method thereof. Adsorption is achieved by means of the electrostatic attraction effect of the negative charge of silicon dioxide aerogel wet gel surface silicon hydroxyl and the positive charge of methyl acryloyl oxygen ethyl dodecyl dimethyl ammonium chloride, the unsaturated bond and methyl methacrylate are copolymerized under the system, a copolymer molecular chain is introduced to the aerogel surface, the surface of the aerogel framework is evenly wrapped by the copolymer macromolecular chain, and therefore the aerogel product can be kept of a three-dimensional network structure, and has the superexcellent heat insulation performance. The prepared composite aerogel material has the advantages of being high in interphase boundary heat resistance and heat insulation performance.

The invention discloses an antibacterial warm down jacket fabric and a production method thereof. The antibacterial warm down jacket fabric comprises an outer layer fabric, a middle layer fabric and an inner layer fabric, one side of the middle layer fabric is covered with the outer layer fabric, and the other side of the middle layer fabric is covered with the inner layer fabric; the constituent materials and preparation methods of the outer layer fabric and the inner layer fabric are same respectively, and the raw materials comprise 40-60 wt% of cotton fibers, 20-30 wt% of polyester fibers, 10-20 wt% of copper ammonia fibers and 5-15 wt% of polyurethane fibers. The middle layer fabric of the invention consists of vinylon and polyurethane sponge, the vinylon and the polyurethane sponge are all infiltrated in a silver nitrate solution having a concentration of 5%, the raw materials in a modifying antibacterial assistant are reacted to generate dioctyldimethyl ammonium chloride and didodecyldimethylammonium chloride, and the dioctyldimethyl ammonium chloride and didodecyldimethylammonium chloride coact to achieve double antibacterial effects, so influences of easy adhesion of a large amount of bacteria due to long-term storage or long cleaning period on the normal service life are avoided.

The invention provides a preparation method of fiberboard preservative. The method comprises the following steps of (1) mixing 4 to 17 weight percent of didodecyl dimethyl ammonium chloride, 2.2 to 6 weight percent of sodium borate, 1.3 to 3.8 weight percent of propiconazole and proper deionized water, heating the mixture to a temperature of between 100 and 110 DEG C, constantly stirring until solids are completely dissolved; (2) cooling to room temperature, adding 23 to 35 weight percent of cupric sulfate, and adding the deionized water to allow the percentage of total weight to be 100 percent; and (3) stirring until all components are completely dissolved. The antiseptic does not contain arsenic, chromium and other substances, is low in toxicity, and has excellent effects of proofing corrosion and pests.

The invention relates to a bacteriostatic type ultrasonic coupling agent as well as a preparation method and application thereof. The preparation method taking a swollen Carbomer 940 solution as a main component of hydrogel comprises the steps of adding glycerine and polyethylene glycol 400 as adjusting agents, reacting to form transparent hydrogel as a skeleton, and adding dodecyl dimethylammonium chloride, dichlorophenoxyphenol or self-prepared anti-microbial nano-zinc oxide dispersion liquid so as to form transparent or micro-milk white hydrogel. The preparation method has the beneficial effects that the attenuation coefficient of the bacteriostatic type ultrasonic coupling agent is relatively low, a probe and skin are well wetted, and the bacteriostatic type ultrasonic coupling agent is not dried after coating. The bacteriostatic type ultrasonic coupling agent can be applied to the field of ultrasonic wave coupling diagnosis. The preparation method is simple and suitable for large-scale production. The bacteriostatic type ultrasonic coupling agent has a good dispersion effect and further has an excellent sterilizing effect due to the Schoddky effect.

The invention discloses a preparation method of a mildew-proof shaving board. The preparation method comprises the following steps of carrying out heat treatment on wood shavings, sending the wood shavings into a stirrer, spraying a mixture of a golden cypress extracting solution, an andrographis paniculata extracting solution, a calyx seu fructus physalis extracting solution and a fructus cnidiiextracting solution while stirring the wood shavings, drying the wood shavings until the water content is 3.4 wt%-5.5 wt%, and gluing the wood shavings, wherein the raw material of a used adhesive comprises soybean glue, phenolic resin, PVAc latex, melamine glyoxal resin, didodecyl dimethyl ammonium chloride, a nano zirconium phosphate silver-loaded antibacterial agent, a litsea cubeba extract, amulberry leaf extract, a Biebersteinia heterostemon extract, dried orange peel essential oil, sepiolite, nano cellulose, hexamethylenetetramine and diphenylmethane diisocyanate; and laying the pretreated wood shavings subjected to gluing into a plate blank, and carrying out pre-pressing, hot-pressing, cooling, edge cutting and sanding to obtain the mildew-proof shaving board. The preparation method of the mildew-proof shaving board is simple in process, and the obtained shaving board is excellent in antibacterial and mildew-proof performance, good in water resistance and long in service life.

The invention provides disinfection extract of landscape fish pond water and relates to the technical field of aquaculture. The disinfection extract is prepared from the following raw materials: 30 to 40 parts of a chlorine dioxide solution, 15 to 25 parts of a hydrogen peroxide solution, 10 to 20 parts of dodecyl dimethyl benzyl ammonium chloride, 8 to 10 parts of polyhydroxypropyl polyethylene-polyamine, 3 to 5 parts of salviae miltiorrhizae radix et rhizoma, 2 to 4 parts of radix angelicae pubescentis, 3 to 5 parts of herba junci setchuensis, 2 to 4 parts of fructus gleditsiae, 3 to 5 parts of folium artemisiae argyi, 2 to 4 parts of radix angelicae dahurioae, 2 to 4 parts of herba pogostemonis, 1 to 3 parts of rhizoma kaempferiae, 1 to 3 parts of Chinese angelica, 2 to 4 parts of fortune loosestrife herb, 1 to 3 parts of shrubalthea bark, 1 to 3 parts of cuckoo-bud and 2 to 4 parts of carpesium herb. The disinfection extract of the landscape fish pond water has the beneficial effects that the prepared disinfection extract has a reasonable formula and a simple preparation process, has a very great sterilization effect on fish culture water; the content of toxic substances in a water body is small; normal survive of landscape fishes is guaranteed; the fish water does not need to be frequently replaced; the product is extract, contains a few of impurities and is convenient to use.

The invention discloses steel and iron surface passivating treatment liquid which contains 1-15% of hydrofluoric acid, 0.1-5% of fluosilicate, 0.1-5% of cerate, 0.1-5% of oxidants, 0.1-5% of sodium benzoate, 0.001-0.5% of dimeric surfactants, 0.001-0.005% of hexamethylenetetramine and the balance of water. Hydrochloric acid is utilized to adjust pH of the treatment liquid to 2-5, the oxidants are at least one of H2O2, sodium peroxide, ammonium persulfate and peracetic acid, and the dimeric surfactants are at least one of dodecyl dimethyl ammonium chloride and myristyl dimethyl ammonium chloride. Coatings formed on the surfaces of steel and iron are smooth, compact and high in stability, generated passivation films are excellent in corrosion resistance, and the treatment liquid is nontoxic, easy to degrade and capable of lowering environment pollution and is an environment-friendly treatment agent.

The invention discloses a preparation method of blue light perovskite quantum dots, which comprises the following steps: adding lead bromide, tetraoctyl ammonium bromide and didodecyl dimethyl ammonium chloride into methylbenzene to prepare a lead source precursor; preparing a monovalent anion precursor containing one or more of cesium, methylamine or formamidine; and injecting the monovalent anion precursor into the lead source precursor for reaction to obtain the blue-light perovskite quantum dots. The didodecyl dimethyl ammonium chloride is directly introduced into a quantum dot synthesis stage, the dynamic process of crystal growth is changed, and the blue light perovskite quantum dot which is simple and convenient in preparation method, good in stability, relatively good in luminescence property and suitable for an electroluminescent diode is obtained.

The invention discloses an antistatic agent formula and process for an efficient composite polyurethane safe shoe material. The antistatic agent formula for the efficient composite polyurethane safe shoe material is prepared from the following raw materials: 10%-20% of dodecyl dimethyl ammonium chloride, 15%-25% of isopropyl alcohol, 25%-40% of ethyl acetate, 10%-15% of anhydrous sodium perchlorate and 15%-35% of water. According to the antistatic agent formula and process for the efficient composite polyurethane safe shoe material provided by the invention, the antistatic effect is good, theantistatic agent is compatible to a main material well, can be compounded into polyurethane to avoid hydrolysis, and is stable, meanwhile, a preparation process is simple and controllable, efficient production is facilitated, use safety and stability are ensured, and the antistatic agent formula is widely applied and popularized favorably.

The invention discloses a descaling agent, which comprises the following components by weight: 5-12 parts of a surfactant, 3-6 parts of hydroxyethylidene acid, 4-10 parts of sodium nitrate, 2-8 partsof sodium hydroxide, 2-5 parts of sodium hypochlorite, 3-7 parts of dodecyl dimethyl ammonium chloride, 2-4 parts of acetic acid and 6-12 parts of deionized water. According to the invention, with thedescaling agent, various stains and dirt accumulated on the surfaces of dish washing sinks, floor drains, toilets, bathtubs, washstands and other places and dirt accumulated in drainage pipelines canbe removed, blockage and peculiar smells can be eliminated, bred bacteria can be effectively removed, the effect is stable, and the dirt removal capacity is high.

The invention discloses a method for determining three typical quaternary ammonium compounds (dodecyl trimethyl ammonium chloride, dodecyl dimethyl benzyl ammonium chloride and didodecyl dimethyl ammonium chloride) in an overground part of a plant. The method comprises the following steps of: carrying out freeze drying and grinding on a plant overground part sample, adding a recovery rate indicator deuterated tetradecyl dimethyl benzyl ammonium chloride and an extracting agent, and carrying out ultrasonic extraction to obtain an extract solution; purifying the extract solution through a neutral aluminum oxide solid-phase extraction column; adding an internal standard substance tetrabutylammonium nitrate into the purified extract solution to obtain an extracted purified solution; and performing detection by adopting liquid chromatography-tandem mass spectrometry, performing comparing with three quaternary ammonium compound standard substances which are operated in parallel, determiningthe nature by using retention time and optimized characteristic ions, taking ions with high signal-to-noise ratio, good peak shape and small interference as quantitative ions, and performing quantifying by using an internal standard method. The method is suitable for determining the content of three typical quaternary ammonium compounds in a complex matrix of the overground part of the plant, theresult is accurate, and the recovery rate is high.

The invention relates to an o-phthalaldehyde disinfectant and a preparation method thereof. The o-phthalaldehyde disinfectant comprises the following components in percentage by weight: 0.2 to 1 percent of o-phthalaldehyde, 0.1 to 0.5 percent of salicylic acid, 0.5 to 1.5 percent of dodecyldimethylbenzylammonium chloride, 1 to 10 percent of ethanol, 0.1 to 1 percent of disodium hydrogen phosphate, 1 to 10 percent of ethanol, 0.1 to 1 percent of sodium dihydrogen phosphate, 0.1 to 0.5 percent of inhibitor, 0.01 to 0.1 percent of ethylene diamine tetraacetic acid and the balance of water. The method for preparing the disinfectant comprises the steps of: adding the o-phthalaldehyde into the ethanol according to the content and component, stirring and mixing the materials; adding water into the materials and stirring the mixture; and adding the dodecyldimethylbenzylammonium chloride, the disodium hydrogen phosphate, the sodium dihydrogen phosphate, the inhibitor and the ethylene diamine tetraacetic acid into the mixture in sequence and stirring the mixed solution to allow the added materials to dissolve to obtain the o-phthalaldehyde disinfectant. The disinfectant has the advantages of no pungent smell, safety, low toxicity, stable property and convenient use, can be used for high-level disinfection of the heat-labile medical equipment and is particularly applicable to an endoscope automatic washing and disinfecting machine to perform high-level disinfection on an endoscope.

The invention provides disinfection powder of landscape fish pond water, and relates to the technical field of aquaculture. The disinfection powder is prepared from the following raw materials: 30 to 40 parts of a chlorine dioxide solution, 15 to 25 parts of a hydrogen peroxide solution, 10 to 20 parts of dodecyl dimethyl benzyl ammonium chloride, 8 to 10 parts of polyhydroxypropyl polyethylene-polyamine, 2 to 4 parts of dodecyl triphenyl phosphorous chloride, 3 to 5 parts of salviae miltiorrhizae radix et rhizoma, 2 to 4 parts of radix angelicae pubescentis, 3 to 5 parts of herba junci setchuensis, 2 to 4 parts of fructus gleditsiae, 3 to 5 parts of folium artemisiae argyi, 2 to 4 parts of radix angelicae dahurioae, 2 to 4 parts of herba pogostemonis, 1 to 3 parts of rhizoma kaempferiae, 1 to 3 parts of Chinese angelica, 2 to 4 parts of fortune loosestrife herb, 1 to 3 parts of shrubalthea bark, 1 to 3 parts of cuckoo-bud and 2 to 4 parts of carpesium herb. The disinfection powder of the landscape fish pond water has the beneficial effects that the prepared disinfection powder has a reasonable formula and a simple preparation process, has a very great sterilization effect on fish culture water; the content of toxic substances in a water body is small; normal survive of landscape fishes is guaranteed; the fish water does not need to be frequently replaced, and the disinfection powder is convenient and simple to use.

The invention relates to the field of cement additives, in particular to a preparation method of a liquid cement grinding aid. The liquid cement grinding aid is prepared from the following raw materials by synthesis reaction: N,N-dimethyldodecylamine, didodecylmethylamine, isopropanol, methyl chloride, alkali and a proper amount of deionized water; the product of the synthesis reaction is as follows: a mixture of dodecyltrimethylammonium chloride, didodecyldimethylammonium chloride and water. According to the cement grinding aid prepared from the generated mixture, the specific surface area ofcement is improved, meanwhile, the fluidity and dispersity of materials in a mill are improved, the material viscosity is reduced, static electricity is quickly released, aggregation of particles iseliminated, combination of fracture surfaces is prevented, the gradation of the particles in the mill is changed, the activity of materials is excited, the grinding aid efficiency of the cement grinding aid is improved, and the production cost is reduced; the time scale of a cement grinding table is high, and the compressive strength of 3d and 28d is obviously enhanced; and in addition, the liquidcement grinding aid has a wide application range and can be used for cement mixed with different mixtures.

The invention relates to the technical field of rolled copper foil processing technologies, and discloses a blackening solution and a cyanide-free zinc-plating cadmium-free electroplating blackening technology. According to the blackening solution, water is adopted as a solvent, and the blackening solution comprises the following components including, by mass concentration, 20 g / L-30 g / L of zinc sulfate, 20 g / L-30 g / L of of zinc chloride, 10 g / L-30 g / L of potassium pyrophosphate, 5 g / L-20 g / L of sodium ethylene diamine tetracetate, 30 g / L-40 g / L of boric acid, 5 g / L-15 g / L of didodecyl dimethyl ammonium chloride, 10 g / L-20 g / L of didodecyl dimethyl ammonium bromide and a surface active additive. The cyanide-free zinc-plating cadmium-free electroplating blackening technology is provided and is used for solving the problems that an existing rolled copper foil blackening technology flow is too complex, and a blackening solution of the existing rolled copper foil blackening technology flow contains chromium which seriously pollutes the environment.

The invention discloses a descaling agent preparation method, which comprises: heating the following components by weight: 5-12 parts of a surfactant, 3-6 parts of hydroxyethylidene acid, 4-10 parts of sodium nitrate, 2-8 parts of sodium hydroxide, 2-5 parts of sodium hypochlorite, 3-7 parts of dodecyl dimethyl ammonium chloride, 2-4 parts of acetic acid and 6-12 parts of deionized water, uniformly mixing, filtering, and carrying out other steps to prepare the finished product. According to the invention, the cost is low, the preparation process is simple, and the finished product can removedvarious stains and dirt accumulated on the surfaces of dish washing sinks, floor drains, toilets, bathtubs, washstands and other places and dirt accumulated in drainage pipelines, eliminate blockage and peculiar smells and effectively remove bred bacteria, and has stable effect and strong dirt removal capacity.

The invention discloses an antifreeze and antifog glass cleaner composition, which comprises the following components in weight percentage: 1-70% of ethanol, 20-40% of water, 0.012-10.5% of nonionic surfactant, and 0.11-11% of anionic surfactant 3%, Glycol Ether 0.5‑5%, Triethanolamine 0.01‑0.1%, Sodium Metasilicate 0.1‑1%, Lauryl Dimethyl Ammonium Chloride 0.01‑2%, Sunset Red 0.0004‑3%, Fragrance 0.1‑0.3%, silicon dioxide 5‑10%, emulsified silicone oil 10‑15%, polyacid 5‑8%, edetate disodium 3‑4%, green tea soap 5‑6%, glycerin 4‑ 6%, aloe vera gel 6‑8%. The cleaning agent of the invention not only has good cleaning power, bactericidal power, anti-fog and anti-fouling properties, but also has an anti-freezing function, can be long-term anti-static, dust-proof, and can keep glass transparent and bright.