107 results about "Dodecyltrimethylammonium chloride" patented technology

The invention relates to a moisture-absorbing and perspiring anti-bacterial fabric and a preparation technology thereof. The moisture-absorbing and perspiring anti-bacterial fabric is blended and weaved by the following raw materials in parts by weight: 40 to 80 parts of bamboo fibers, 40 to 80 parts of long staple, 10 to 30 parts of ramie, 10 to 30 parts of coolmax fibers, 10 to 20 parts of corn fibers, 10 to 20 parts of Delight fibers, and 5 to 20 parts of Tancel, and then is treated by anti-bacterial finishing liquid; the anti-bacterial finishing liquid comprises 5 to 10 parts of chitosan, 5 to 10 parts of silk fibroin, 0.5 to 3 parts of butyl ricinoleate sodium sulfate, 0.5 to 3 parts of lemon acid, 0.5 to 2 parts of butyl methacrylate, 5 to 8 parts of dodecyl diphenyl ether sodium disulfonate, 5 to 10 parts of hydroxypropyl methyl cellulose, 5 to 10 parts of polyhexamethylene biguanidine, 5 to 15 parts of organosilicon quaternary ammonium salt, 3 to 8 parts of dodecyl trimethyl ammonium chloride, and 5 to 10 parts of water-based polyurethane. The moisture-absorbing and perspiring anti-bacterial fabric has the advantages that the anti-bacterial property is higher, the moisture-absorbing, perspiring, anti-pilling and air-ventilation properties are realized, the softness is realized, and the abrasion is resisted; the moisture-absorbing and perspiring anti-bacterial fabric is particularly suitable for being applied to the fields of underwear, overwear, sportswear and bedding articles.

The invention relates to a preparation method of a hollow hexagonal boron nitride microsphere, which comprises the following steps: 1, preparing raw materials: the raw materials comprise boric acid, borax, urea, dodecyl trimethyl ammonium chloride and a networking agent, wherein the mass percentage of the boric acid is 3-10 percent, the mass percentage of the borax is 37-45 percent, the mass percentage of the urea is 50-30 percent, the mass percentage of the dodecyl trimethyl ammonium chloride is 2-5 percent, and the mass percentage of the networking agent is 8-10 percent; 2, adding a soft template to prepare hexagonal boron nitride precursor gel; 3, preparing precursor powder; 4, synthesizing hexagonal boron nitride powder; and 5, removing impurities. No pressing is needed to form blocks under high pressure, agglomeration cannot be caused easily, the insulation time is short, and the method is suitable for industrial large-scale production.

The invention provides a hydrophober comprising tridecafluoro octyl trimethoxy silane, ethyl orthosilicate, dodecyltrimethylammonium chloride, isopropanol and ethylic acid. The method for preparing hydrophobic glass comprises the following steps: (1) preparing the hydrophober, taking all the components in a certain proportion, mixing and stiring uniformly; (2) cleaning and drying glass to be processed; (3) spraying the hydrophober prepared in the step (1) on the surface of the glass processed in the step (2); and (4) drying the glass on which the hydrophober is sprayed in the step (3) so thata hydrophobic film layer is dried and solidified to obtain a finished product. The hydrophober has easily obtained components, simple preparation process and good film forming performance and enablesthe service life of a hydrophobic film to be greatly prolonged; in addition, the acid and alkali resistance and the weather resistance of the prepared hydrophobic glass are greatly improved.

The invention discloses a method for preparing hydrophobic white carbon black. The method comprises the steps of drying precipitated white carbon black to constant weight, then mixing with a modifier solution, adjusting a pH value to 8; and at a temperature of 30-90 DEG C, stirring for a reaction for 20-100 min with a stirring speed of 250-450 rpm, then filtering, and drying to obtain the hydrophobic white carbon black. The modifier is selected from one or more of cetyltrimethylammonium chloride, hexadecyltrimethylammonium bromide, dodecyltrimethylammonium chloride, and dodecyltrimethylammonium bromide. The activation degree of the modified white carbon black is obviously improved and can reach 95% or more, and the modified white carbon black is the hydrophobic white carbon black. The method of the invention is simple in process, has the solvent with cleanliness and no pollution; and the modified white carbon black has the hydrophobic property improved significantly, and thereby being beneficial to improving compatibility when adding into rubber and plastics.

The invention discloses a method for synthesizing di-[propyltriethoxysilane]-tetrasulfide, which comprises the following steps of: (1) mixing and stirring water, sodium sulfide, sodium hyposulfate, elemental sulfur and diethyl hydroxylamine, pumping n-amylamine and isobutylamine into the mixture under the vacuum degree of 0.04 to 0.06MPa, and reacting the mixture for 20 to 40 minutes at the temperature of between 30 and 50 DEG C; (2) adding dodecyltrimethylammonium chloride, tetrabutyl ammonium bromide and hydroxy pyridine into the reaction solution obtained in the (1) under normal pressure, stirring the solution, then adding gamma-chloropropyltriethoxysilane into the solution, reacting the solution for 30 to 60 minutes at the temperature of between 40 and 50 DEG C, continuously reacting the solution for 60 to 80 minutes at the temperature of between 60 and 80 DEG C, filtering the oil phase, and pumping the filtrate into a distillation still; and (3) distilling the filtrate in the distillation still under the vacuum degree of more than or equal to 0.096MPa at the temperature of less than or equal to 160 DEG C when the temperature of the top gas phase is more than 108 DEG C to obtain a product Si-69.

The invention belongs to the technical field of building materials, and discloses crack-resistant reinforced concrete for buildings and a preparation method thereof. The crack-resistant reinforced concrete for the buildings is prepared from the following components in parts by weight: 70-80 parts of sea sand, 40-50 parts of cement, 20-30 parts of modified fly ash, 10-20 parts of sepiolite, 30-40 parts of water, 10-20 parts of polyethyleneimine aqueous solution, 10-20 parts of modified plant straw fiber, 7-15 parts of water-soluble polyvinyl alcohol fiber, 5-10 parts of nano powder and 3-5 parts of silane coupling agent. According to the concrete, the dodecyl trimethyl ammonium chloride modified fly ash and the modified fibers are added, and then the nano-powder is added so that the densityof the concrete is greatly improved, and the strength of the concrete is improved.

The invention relates to a method for extracting soybean protein by using a dodecyltrimethylammonium chloride reverse micellar solution, which is characterized by comprising the following steps: adding full-fat soybean powder or soybean meal powder to a dodecyltrimethylammonium chloride (DTAC) reverse micellar solution, extracting, and carrying out solid-liquid separation to obtain a soybean protein solution. The invention has the following major advantages: because of the use of the dodecyltrimethylammonium chloride reverse micelle, the formation time of the reverse micellar system is short, and the preparation is more convenient and faster; because the extraction of soybean protein by DTAC / n-heptane-n-hexyl alcohol reverse micellar system is assisted by ultrasound, the preparation is more convenient and faster; the extraction rate is obviously improved, and the extraction time is shortened; in the extraction process, the protein is enclosed by water environment in the reverse micelle, the water environment is similar to the intracellular environment and the conditions are wild, thereby ensuring that the protein can not be denatured easily and the bioactivity thereof can be kept; compared with other surfactants, the residual surfactant in the soybean protein, i.e. the dodecyltrimethylammonium chloride, is easy to separate, thereby achieving high product purity; and the method has the advantages of no acid and alkaline wastewater discharge and no pollution.

The invention discloses an environment-friendly composite textile finishing agent and a preparation method thereof. The environment-friendly composite textile finishing agent comprises the following components: 2.5wt%-5wt% of glyceryl monostearate(monosterin), 3wt%-6wt% of sodium diethylhexyl sulfosuccinate, 3.5wt%-5.5wt% of dodecyl trimethyl ammonium chloride, 4wt%-7wt% of an almond water extract, 4wt%-8wt% of chitosan, 40wt% of sanguisorba officinalis, 5wt%-9wt% of an ethanol water extract, 3wt%-8wt% of a cattail pollen ethanol extract, 6wt%-12wt% of 1,4-butanediol and the balance being water. The preparation method comprises mechanically stirring and mixing the raw materials. The prepared composite textile finishing agent has the characteristics of environment friendliness, high crease resistance and good antibacterial effect.

The invention discloses a method for preparing a gold-platinum core-shell nanostructural material. The method comprises the following steps: with gold nanoparticles as a template, fully mixing a goldnanoparticle colloid with silver nitrate, dodecyltrimethylammonium chloride and an ascorbic acid aqueous solution, then adding a chloroplatinic acid aqueous solution into the mixed solution, allowingPt atoms to reduce and deposit in situ on the surface of the gold nanoparticles, and adjusting and controlling a reaction temperature to realize precise deposition adjustment and control of platinum at different positions of the surface of a gold nanomaterial so as to prepare a gold-platinum core-shell nanostructure with different Pt coverings. The method provided by the invention utilizes nanometer gold with complex structure and high crystal face structure as the template to prepare hexoctahedron gold-platinum core-shell nanoparticles with highly-efficient catalytic performance, has simple process, and prepares Au@Pt nanoparticles with good catalytic performance and SERS performance.

The invention provides a nanometer fireproof antibacterial environment-friendly coating and a preparation method thereof. The preparation method comprises a step (1) of evenly dispersing light calcium carbonate, talcum powder, titanium dioxide, ethylene glycol and softened water at a high speed, controlling the dispersion speed to be 1000-1500 turns / min, and controlling the dispersion time to be 30-60 min; a step (2) of grinding the aforementioned slurry through a grinder to fineness of 34-45 microns; a step (3) of adding texanol, acrylic emulsion, dodecyl trimethyl ammonium chloride, ethoxylated octyl phenol, cacumen biotae ethanol extract, christina loosestrife herb ethanol extract and hydroxypropyl methylcellulose, and performing stirring for 40-60 min; a step (4) of adding ammonium polyphosphate, melamine, pentaerythritol, ODOPB and nano graphene oxide, and performing ultrasonic shearing for 60-100 min. According to the coating, an environment-friendly formula is adopted, and the coating has very good fire resistance, bacterium resistance and mold resistance.

The invention discloses a multi-layer gluing composite process of antibacterial plywood. The multi-layer gluing composite process comprises the following steps that dodecyl trimethyl ammonium chloride is added into water, stirred and dissolved to obtain a treating agent solution, a wood board veneer is dried, the dried wood board is soaked in the treating agent solution for 10-20 minutes, and after drying, the wood board veneer is glued and compounded by using a multi-layer gluing and compounding device. The surfaces of the boards are impregnated with dodecyl trimethyl ammonium chloride, so that the boards have certain antibacterial performance, meanwhile, the multiple boards can be automatically positioned and then glued and compounded through the multi-layer gluing and compounding device, and then the processing efficiency can be improved.

The invention discloses a method for preparing surface-modified nanometer yttrium oxide by emulsion polymerization and an application thereof. The preparation method has the following steps of: first,preparing nanometer yttrium oxide suspension, adding emulsifier dodecyl trimethyl ammonium chloride, ultrasonically processing, stirring and diffusing for 3h; then, heating to 60 DEG C in nitrogen atmosphere, adding monomer styrene and butyl acrylate with a fixed quality ratio, and finally adding initiator ammonium persulphate to initiate polymerization reaction at 75 DEG C; drying the compound particles obtained after the finishing of the polymerization reaction to obtain the surface-modified nanometer yttrium oxide; and directly ultrasonically diffusing the modified nanometer yttrium oxidein liquid paraffin base oil or finished lubricant as an extreme-pressure, wear-resistant and anti-friction additive. The surface-modified nanometer yttrium oxide has excellent extreme-pressure, wear-resistant and anti-friction effects.

The invention relates to a stable leather finishing agent which is prepared from the following raw materials in parts by weight: 3-10 parts of dimethyl silicone oil, 6-11 parts of polyether siloxane, 4-8 parts of n-butanol, 5-7 parts of amino silicon oil, 2-9 parts of castor oil, 7-11 parts of trichloroethane, 4-8 parts of water-based polyurethane emulsion, 7-11 parts of dodecyl trimethyl ammonium chloride, 5-9 parts of jojoba oil, 3-8 parts of microcrystalline wax, 5-7 parts of amino modified silicon oil and 10-15 parts of epoxy resin. The stable leather finishing agent can enhance the wear resistance and hand feeling of the leather, and can also enhance the glossiness and aesthetic sense of the leather.

The invention discloses asphalt layer leakage plugging slurry which comprises the following components in parts by weight: 100 parts of clear water; 2-8 parts of bentonite; 0.2-0.8 part of sodium carbonate; 0.1-0.6 part of biopolymer XC; 0.1-0.8 part of polyanionic cellulose LV-PAC; 0.1-3 parts of hydroxypropyl guar gum; 0.5-6 parts of a coagulation composite blocking agent; 2-10 parts of a compressible high-elasticity plugging agent; 1-10 parts of a leak-proof plugging filler; 0.1-5 parts of a leakage-proof plugging suspension carrying agent; 1-6 parts of a leakage-proof plugging density regulator; 1-6 parts of a plugging enhancer; 1-6 parts of a high-strength consolidation plugging agent; 2-8 parts of an expansion consolidation type plugging agent; 0.1-6 parts of a leakage prevention andplugging reinforcing agent; 0.1-1 part of dodecyl trimethyl ammonium chloride, 1-5 parts of sorbitan monooleate (SP-80) and 1-3 parts of alkylphenol and ethylene oxide condensates (OP-10). The asphalt layer leakage plugging slurry has the advantages of being resistant to asphalt contamination, high in strength, wide in density adjustable range, high in plugging rate and high in plugging success rate, can be applied to leakage plugging of an asphalt layer, and can also be applied to a high-temperature high-permeability layer, a crack karst cave type stratum, a high-temperature leakage storagesame layer and the like.

The invention discloses a high temperature dye leveler for polyester fibers, which is composed of the following raw materials in parts by weight: 1 to 2 parts of polyglycerol monostearate, 0.2 part of zinc acetate, 1 part of dodecyl trimethyl ammonium chloride, 80 parts of dye leveler, 0.1 part of magnesium acetate, 12 parts of polyamide, 0.3 part of calcium acetate, 5 parts of polyethylene glycol, 0.2 part of tin acetate, 4.5 parts of glycol, 3 parts of dimethyl terephthalate, and 1 part of carboxyl propyl methyl cellulose. The high temperature dye leveler is used for polyester fibers, enables the fabric made of the dyed polyester fibers to have a more uniform and brighter color and luster, has a very good dye leveling effect, and moreover can improve the fluffy and soft touch-feel, anti static performance, smoothness, and hydrophilicity of polyester fibers.

The invention relates to a machining product cleaning agent. The cleaning agent comprises, by mass, 1.5-4 parts of oil acyl methyl taurine sodium, 6-20 parts of bis-naphthalenesulfonic aci sodiumsalt, 4-10 parts of sodium potassium tartrate tetrahydrate, 10-20 parts of acryloyloxyethyl trimethyl ammonium chloride, 4-12 parts of dioctyl sodium sulfosuccinate, 6-20 parts of ricinoleic acid, 10-20 parts of cocoanut fatty acid diethanolamide, 10-20 parts of 2-phosphonic acid butane-1, 2, 4-tricarboxylic acid, 10-20 parts of dodecyl trimethyl ammonium chloride and 30-80 parts of deionized water. The machining product cleaning agent has the advantages of being great in stain removing and cleaning capacity, fast in drying, free of residue, wide in compatibility, free of combustion and explosion, safe, environment friendly, safe to use and the like. According to the cleaning treating fluid, the biodegradability is high, the stains and grease on a machining product can be effectively removed, the skin is not injured, and the cleaning efficiency is larger than 99%.

The invention relates to a leather-care aromatic glazing agent which contains the following components in parts by mass: 10-20 parts of jojoba oil, 25-35 parts of chlorinated paraffin wax, 8-12 parts of dodecyltrimethylammonium chloride, 5-10 parts of fatty acid polyoxyethylene ester, 7-15 parts of water-based polyurethane emulsion, 4-8 parts of natural plant essential oil, 2-5 parts of antistatic agent and 20-35 parts of deionized water. The leather-care aromatic glazing agent provided by the invention can supplement leather oil and nutrients, is beneficial to keeping the softness, fineness and natural luster of the leather, and can perform the functions of clearing peculiar smell, giving aromatic and protecting the environment.

The invention provides a water-based chain lubricant which comprises long-chain organic amine acetate, acetic acid, imidazoline cationic surfactant, dodecyltrimethylammonium chloride, Tween, diethylene glycol, defoamer and water. In the water-based chain lubricant, the long-chain organic amine acetate has the lubrication action, the acetic acid has the antibacterial and bactericidal actions, the imidazoline cationic surfactant and dodecyltrimethylammonium chloride also have the lubrication, antibacterial and bactericidal actions, the Tween has the lubrication action, and the diethylene glycol has the dissolution assisting action; and the components are mixed, so that the compound water-based chain lubricant has excellent antibacterial and bactericidal actions.

The invention relates to a mildew-proof leather shoes decontamination brightening agent, which is prepared from the following raw materials by weight: 7-13 parts of dodecyl trimethyl ammonium chloride, 6-12 parts of an aqueous polyurethane emulsion, 4-6 parts of a coloring agent, 3-8 parts of 1,3-dimethyl-2-imidazolidinone, 4-7 parts of a moisturizing agent, 5-9 parts of a bactericidal agent, 8-14 parts of amino polysiloxane, 15-23 parts of paraffin wax, 8-16 parts of turpentine oil, 5-8 parts of N-lauroyl-L-sodium valine, 4-7 parts of coconut diethanolamide, 3-8 parts of hexamethylenetetramine, 4-8 parts of a mildew-proof agent, and 3-5 parts of sodium lauryl sulfate. With the mildew-proof leather shoes decontamination brightening agent of the present invention, the mildew can be effectively prevented, effects of efficient sterilization and bacterial inhibition are provided, the leather surface can be smooth and bright, and the service life is prolonged.

The invention discloses a plastic steel net belt conveyor. The plastic steel net belt conveyor comprises a metal drive shaft, wherein the metal drive shaft is subjected to surface treatment in steps as follows: 1) 1-2 parts by mass of dodecyltrimethylammonium chloride, 0.9 parts by mass of carboxymethyl cellulose, 1.3 parts by mass of 1,2-propylene glycol, 0.7 parts by mass of barium sulfate, 1.8 parts by mass of phosphoric acid, 1.9 parts by mass of hydroxyethylidene-1,1-diphosphonic acid and 0.8 parts by mass of nickel nitrate are added to 17.2 parts by mass of deionized water, the mixture is stirred and mixed uniformly, and a surface treatment working solution is prepared; 2) the surface treatment working solution is heated to 47.5 DEG C; 3) the metal drive shaft is put in the surface treatment working solution, dipped for 26.5 min, taken out and dried. The metal drive shaft of plastic steel net belt conveyor is subjected to surface treatment, thereby having excellent abrasion resistance, corrosion resistance, rusting resistance, heat resistance, cold resistance and weather fastness.

The invention relates to a high-efficiency fuel oil additive. The high-efficiency fuel oil additive comprises, by mass, 11-19 parts of n-octyl alcohol, 6-15 parts of isoamyl alcohol, 8-10 parts of dimethyl methanol, 10-14 parts of polyethylene glycol, 9-11 parts of alkyl salicylate, 4-16 parts of glacial acetic acid, 3-5 parts of dodecyltrimethylammonium chloride, 15-20 parts of naphtha and 40-50 parts of maleic anhydride. The high-efficiency fuel oil additive has an effective chemical effect, can clean the overall fuel system, is suitable for new direct-injection fuel system, can be used in all types of engines using gasoline and diesel oil to remove precipitates from combustion chambers and gas inlet valves, and can effectively prevent pause, improve the fuel combustion efficiency and the horsepower and reduce emissions only through pouring the fuel oil additive into fuel tanks.

The invention relates to the technical field of urea detection, and especially relates to a urea detection reagent. A reagent R1 contains an imidazole buffer solution, BSA, alpha-oxpentanedioic acid, sucrose, trehalose, GLDH, polyethylene glycol, dodecyltrimethylammonium chloride, lauryl imidazolinium betaine and an antiseptic; and a reagent R2 contains a Tris buffer solution, the BSA, urease, sucrose, trehalose, NADH and the antiseptic. The imidazole buffer solution is adopted, and the BSA, sucrose, trehalose, polyethylene glycol, xanthan gum and mannitol which are used as a stabilizer are added, so the stability of the reagent is greatly enhanced; and dodecyltrimethylammonium chloride and the lauryl imidazolinium betaine which are used as novel surfactants substantially improve the detection performance and enhances the stability of the reagent.

The invention discloses an environment-friendly wet strength agent and a preparation method thereof. The wet strength agent comprises the following raw materials in parts by weight: 10-20 parts of diethylenetriamine, 20-30 parts of sodium hydroxide, 30-50 parts of hydroxyethyl cetane cellulose, 20-30 parts of magnesium oxide, 36-40 parts of 1,6-hexanediol diacrylate, 45-50 parts of isostearic acid calcium, 45-50 parts of ethylhexyl stearate, 20-30 parts of propylene glycol stearate, 40-50 parts of simethicone, 60-70 parts of dodecyl trimethyl ammonium chloride, 40-50 parts of binary acid and 20-50 parts of polyhydric alcohols. The preparation method comprises the following steps: agitating for reacting the diethylenetriamine, the sodium hydroxide, the hydroxyethyl cetane cellulose, the magnesium oxide, the 1,6-hexanediol diacrylate and the isostearic acid calcium; adding residual components to carry out thermal reaction after warming up; dropwise adding a pH modifier. By the environment-friendly wet strength agent, the dry tensile strength of paper can be enhanced, and the water resistance of the paper surface can be greatly improved.

The invention relates to an AKD emulsion sizing agent stabilized by cooperation of modified hectorite and sodium alga acid and a preparation method thereof, belonging to the technical field of emulsification of sizing agents for papermaking. A quaternary ammonium group of dodecyl trimethyl ammonium chloride and sodium ion on the surface of hectorite are adsorbed to the surface of the hectorite through ion exchange, the electronegativity on the surface of the hectorite is reduced, and the hydrophobicity of the hectorite is efficiently improved due to a hydrophobic long chain. Therefore, the affinity of the hectorite to the molten AKD can be improved, so that the AKD emulsion is completely emulsified and is high in dispersity. The AKD droplets obtained by cooling the molten AKD emulsion are solidified into solid particles, sodium alga acid is provided with lots of carboxyl groups, the surfaces of the AKD particles are simultaneously coated with sodium alga acid and modified hectorite, and enough interfacial charges and mechanical barriers can be provided. Moreover, aggregation among the AKD particles is avoided, so that release of the AKD is avoided, the emulsion is prevented from being gelatinized, and the stability of the AKD emulsion sizing agent is improved.

The invention discloses a protein acid hair protecting shampoo capable of repairing hairs. The hair protecting shampoo is prepared from the following raw materials in parts by weight: 61.3 parts of deionized water, 10 parts of propylene glycol, 0.1 part of EDTA-2Na, 11.5 parts of cetyl trimethyl ammonium bromide to octadecyl trimethyl ammonium bromide, 4.8 parts of didodecyl trimethyl ammonium chloride-alkyl polyglycoside copolymer, 3.4 parts of dimethylamino-modified silicone microemulsion, 1 part of sodium pyrrolidone carboxylate, 0.7 part of lacto-lactic acid, 0.2 part of lac, 0.002 part of oxidoreductase, 5 parts of silk peptide and bone collagen hydrolysate, 1.5 parts of lauroylsarcosine polyether quaternary ammonium salt, 0.3 part of kathon, and 0.4 part of spices. Based on the principle that protein denatures when being heated to form gel-like solidified protein, the prepared hair protecting shampoo can well repair and condition the hair, and reduce damage caused by perm and dyeing, thereby changing damaged hairs to health hairs.

The invention relates to the technical field of waterproof materials, in particular to an ultrahigh-elasticity asphalt-based waterproof paint production method which includes the steps: a, throwing asphalt into a dispensing reaction kettle, heating the asphalt to reach 90 DEG C, adding water and dodecyl trimethyl ammonium chloride serving as a cationic emulsifier, and uniformly grinding raw materials by an emulsification grinding device to prepare liquid mixture; b, reducing the temperature of the mixture in the step a to 40 DEG C, adding PH (potential of hydrogen) regulators, AMP-95 auxiliaries and defoaming agents, and uniformly stirring the raw materials at an intermediate speed; c, uniformly stirring the mixture in the step b and then sequentially adding positive ion acrylonitrile-butadiene-styrene copolymer latex and positive ion styrene acrylate copolymer latex. The waterproof materials have a high tensile property, and the breaking elongation of a paint layer with a formed filmcan reach 1200% and is 4-6 times that of traditional paint.

The invention discloses anti-cracking putty powder for interior walls. The anti-cracking putty powder comprises, by weight, 1-2 parts of oleic acid polyoxyethylene ester, 1.8 parts of polyvinylpyrrolidone, 1.6 parts of alpha-olefin sulfonate, 0.9 part of dodecyltrimethylammonium chloride, 1.4 parts of oleoyl methylamine sodium diethylsulfonate, 0.8 part of magnesium aluminium silicate, 3.4 parts of carbon fiber yarn, 14 parts of marble powder, 24 parts of white latex and 46 parts of ash calcium. The anti-cracking putty powder for interior walls is good in levelling property, strong in adhesive force, good in water proofness, high in strength, good in sanding property, resistant to acid and alkali corrosion, resistant to high and low temperature changes and resistant to mildew, is free of hollowing, peeling, crazing and stripping after being exposed to water and damp, and is also free of yellowing, mildewing and black spot formation.

The invention discloses modified durable waterproof paint. The paint is prepared from following raw materials by weight: 1.5-2.8 parts of 3-methyl-2-buten-1-ol, 5-8 parts of 4-tert-amylphenol, 1.5-2.7 parts of sodium polyacrylate, 2.3-4 parts of borax powder, 1.8-3.6 parts of calcium chloride, 2.5-6 parts of entirely hydrolysed polyvinyl alcohol, 0.8-1.7 parts of a phenol-urea-formaldehyde condensate sulfonate and 1.5-3.2 parts of an alkyltrimethylammonium salt type dodecyltrimethylammonium chloride. Compared with waterproof paint at present, the paint provided by the invention is suitable for waterproofing of basements, toilets, kitchens, pools, and other buildings. The paint provided by the invention can be used without being heated and can reduce environment pollution. The coat of the paint provided by the invention is low and application operation of the paint provided by the invention is simple. The paint provided by the invention can be applied on wet or dry bases of various materials. The paint provided by the invention has good waterproof property, no toxicity, no harm and long service lifetime, and is an ideal waterproof material.

The invention discloses a special silk sock washing and caring solution which is characterized by comprising the following components in percent by weight: 5-10% of fatty alcohol polyoxyethylene ether sodium sulfate, 5-10% of fatty alcohol polyoxyethylene ether, 1-5% of castor oil soap, 0.1-0.5% of ethylenediamine tetraacetic acid tetrasodium, 0.3-0.8% of docosyl trimethyl ammonium chloride, 0.1-0.5% of palmitic acid amide propyl trimethyl ammonium chloride, 0.1-0.5% of polyethylene glycol stearate, 1-5% of dilinoleic acylamide dimethyl ammonium chloride sodium salt, 1-5% of cocoyl diethanol amide, 0.3-0.8% of plant extract, 0.1-0.5% of trichloro hydroxyl diphenyl ether, 0.1-0.5% of dihydroxymethyl dimethyl hydantoin, 0.1-0.5% of essence and the balance of pure water. The special silk sock washing and caring solution can resist static electricity, sterilize efficiently, remove peculiar smell, is neutral and mild, contains no phosphorus and fluorescent whitening agent, can not damage the clothing, is fragment and is suitable for the cotton socks and the like.