91results about How to "Easy to rinse off" patented technology

The invention provides sterilizing bath lotion for furry pets, which comprises surfactant, humectant, hair care agent, chelating agent, bactericide, thickening agent and essence, wherein the bactericide is one of stable liquid chlorine dioxide, stable solid chlorine dioxide or sodium chlorite. The sterilizing bath lotion of the invention overcomes the defects of the existing product or the prior art, and really realizes synchronous completion of three effects of removing dirt, caring hair and quickly sterilizing. The sterilizing bath lotion has the advantages of mild property, no any stimulation to the fur of animals and the skin of people, good dirt removing and sterilizing effects, low foam, easy cleaning, no residue, safety and environment friendliness, and meanwhile plays a role in caring the fur of the animals so that the fur of the washed pet does not knot; and the sterilizing bath lotion is glossy, flexible and easy to card, and is quite suitable for the daily care of the furry pets.

The invention discloses amino acid shampoo. The amino acid shampoo is prepared from the following components in percentage by weight: 2%-30% of C14-16 sodium olefinsulfonate, 1%-10% of decyl glucoside, 0.1%-5% of cocoamide MEA, 1%-20% of sodium methyl cocoyl taurate, 1%-30% of a sodium lauroyl sarcosinate solution and 1%-30% of cocamidopropyl betaine. By means of a large number of creative experimental researches, raw material selection and the formula of the amino acid shampoo are optimized, the foaming agent components in the formula are matched and used in a certain proportion, so that theprepared shampoo has good cleaning and dirt removing capability, is mild and non-irritating, has a softening effect on hair, has moderate viscosity, rich, fine, stable and lasting foam, and is easy toclean.

A functional traditional Chinese medicinal stock shampoo is characterized in that the preparation method of the shampoo comprises the following steps: processing Chinese Taxillus Twig, White Mulberry Root-bark, Fructus Gardeniae, Cortex Moutan, Yerbadetajo Herb, Rubia cordifolia, Artemisia argyi, Millettia dielsiana, Sophora flavescens, honeysuckle flower, Herba Taraxaci, Hedyotis diffusa, Crocus sativus, Viciaamoena Fisch, Cortex Dictamni, mulberry fruit, Syzygium aromaticum, dry ginger and ginseng which have specific-range parts of the total weight of the raw materials for preparing a medicinal wine to prepare a medicinal wine extract liquid; mixing the medicinal wine extract liquid with a Sapindus mukurossi Gaertn and Gleditsia sinensis Lam boiling extract liquid to obtain a mixture; and mixing the mixture with a certain amount of an alanine surfactant, a certain amount of cocoamidopropyl betaine and a certain amount of camellia seed oil to prepare the functional traditional Chinese medicine stock shampoo. The invention also provides the preparation method of the functional traditional Chinese medicinal stock shampoo. The functional traditional Chinese medicinal stock shampoo can effectively prevent and control alopecia, and has the efficacies of dandruff removal, heat itch stopping, superfluous hair oil removal, hair growth assisting, hair blackening, and hair caring.

The invention discloses a heavy-metal contaminated soil compost modifier and a modifying method thereof. The heavy-metal contaminated soil compost modifier comprises, by mass, 40-60 parts of animal wastes, 15-30 parts of sawdust, 0-2 parts of microbial agent, 3-7 parts of straw biochar and 20-40 parts of ferrous gluconate. By application of a bio-compost technique, soil pH value can be decreased and activity of heavy metal of soil can be improved so that heavy metal is easy to wash off, and effective-state heavy metal content in soil is reduced greatly after the soil pH value is increased. Besides, heavy metal adsorption capacity of soil can be improved while proportion of organic bonding state of heavy metal is increased by means of bio-compost; the compost modifier is prepared from raw materials which have wide resources and are cheap and easy to obtain, is prepared within a short time, can be prepared on field and ready to use, and is low in cost; content of heavy metal in soil and content of effective-state heavy metal can be reduced effectively by integrated utilization of iron-containing materials and the bio-compost technique. The modifying method has the advantages of being easy and practical, environmental-friendly and efficient, and low in cost, and is much superior to the conventional modifying methods.

The invention discloses an easy-to-clean fluid bed granulator, which comprises a rack. A granulating tank is arranged on the rack and is provided with a base buffer hopper, a material container and adiffusion trapping chamber. A bag shaking cylinder and a lifting assembly are arranged on the outer wall of the upper end of the diffusion trapping chamber. The output shaft of the bag shaking cylinder is a hollow shaft. An inserting rod is arranged on a bag shaking frame. The lifting assembly is connected with the inserting rod through a rope. The inserting rod and the hollow shaft can be lockedand fixed through a locking device. A partition plate is arranged on the inner wall of the upper end of the diffusion trapping chamber. A spraying device is arranged in the granulating tank and comprises a plurality of first spraying heads and second spraying heads. The water inlet ends of the first spraying heads are arranged on the outer wall of the upper end of the diffusion trapping chamber, the water inlet ends of the second spraying heads are communicated with the exterior through a water pipe, and the material container is arranged on the rack in a hinged mode. The provided fluid bed granulator and cleaning method have the advantages that the tank does not need to be disassembled, the cleaning effect is better, and the cleaning is more convenient.

The invention discloses a near neutral environment-friendly water-based cleaning agent and a preparation method thereof. The cleaning agent for kitchen ventilator has strong detergency on oil on the surface of kitchen ventilator, no corrosion, little stimulation to human body, simple formula, preparation process and usage method, and low cost. The cleaning agent comprises, by weight percentage, 3.0-12.0% of cocamidopropyl betaine (CAB), 1.5-5.5% of sulfonate of fatty acid methyl ester ethoxylate (FMES), 0.5-4.5% of fatty alcohol polyoxyethylene ether (AEO-9), 1.0-5.0% of trisodium citrate, and the balance of tap water. The preparation method is as below: preparing the raw materials according to the formula of cleaning agent; adding CAB, FMES, AEO-9 and trisodium citrate into the tap water; and then stirring at room temperature. The raw materials employed by the invention satisfy the international requirements of green and environment-friendliness; the industrial raw materials are cheap; and the cleaning wastewater is easy to wash.

The invention relates to a foamless detergent which is aliphatic alcohol polyether synthesized by an external recycle unit and which is composed of aliphatic alcohol, epoxy ethane and propylene oxide. By the employment of the detergent of the invention, various oils and resembling oil materials can be easily removed from a plurality of adsorbates. The detergent substitutes for normal series products of ODS and APEO which are harmful to human environment, and has the advantages of toxic-free property and environment preservation. The invention has outstanding properties, including humectation, emulsification, dispersion, solubilization and the like, and thereby the invention is an environment-friendly detergent which is high in efficiency, acid-free, high in wetting property and high in detergency.

The invention relates to a paint remover for removing a paint film on the surface of a tin-plated steel plate for a food can and a using method thereof, wherein the paint remover is prepared from the following raw materials in percentage by weight: 25-35% of dibasic acid ester, 20-35% of 1, 2-propylene glycol carbonate, 8-15% of absolute ethyl alcohol, 16-25% of lactic acid and 2.5-6% of cetyl trimethyl ammonium bromide. The paint remover is prepared by a method comprising the following steps: firstly, burdening the raw materials of the paint remover according to the content thereof; adding the raw materials according to the sequence from solid to liquid respectively, then stirring for 5-15 minutes at room temperature, and sealing and reserving after mixing uniformly. The using method of the prepared paint remover for removing the paint film on the surface of the tin-plated steel plate for the food can comprises the following step of: immersing objects for removing the paint completely in the paint remover, wherein the using temperature of the paint remover is 25-80 DEG C, the best using temperature is 60-80 DEG C, and the immersing time is 1-15 minutes. The paint remover for removing the paint film on the surface of the tin-plated steel plate for the food can and the using method thereof provided by the invention have the characteristics of good environment-friendly performance, stable solvent components, paint removing efficiency and tiny metal corrosion performance.

The invention discloses a hand sanitizer and a preparation method, and belongs to the technical field of daily chemical products. The hand sanitizer is prepared from the following raw material components in parts by mass: 45 to 50 parts of lanolin glycerol, 8 to 15 parts of surfactant, 5 to 10 parts of ethanol, 3 to 8 parts of vitamins, 5 to 8 parts of essential oil, and 3 to 5 parts of pearl powder, the balance of deionized water, citric acid, a co-surfactant and an emulsifier. The preparation method comprises the steps that: the lanolin glycerol, the surfactant, the co-surfactant, vitamins,pearl powder, deionized water and emulsifier are weighed, after stirring, mixing and heating, ethanol and essential oil are added, and the mixture is stirred until the mixture is evenly mixed, finally, the pH is adjusted to weak acidity, and package is sealed to obtain a final product. The product can not only achieve a purpose of effective decontamination, but also is easy to wash in a short time, maintains the hand's skin in a comfortable, fresh state, and has an excellent skin care effect.

The invention discloses an environmentally-friendly liquid detergent. The liquid detergent comprises by weight, 8-15% of sodium fatty alcohol polyoxyethylene ether sulfate, 3-8% of alkyl polyglucoside, 5-10% of cardanol polyoxyethylene ether, 1-5% of tea saponin, 0.5-3% of a natural bacteriostatic agent, 0.1-1% of hydroxyethyl cellulose, and the balance of deionized water. Surfactants in the aboveformula of the liquid detergent are all environmentally-friendly green surfactants, so the liquid detergent has the characteristics of good biodegradability, environmental protection, no pollution, good compatibility and good synergistic effects among the components, richness in foam, easiness in complete flushing, mildness, non-irritation, safety, non-toxicity, and strong decontamination ability. The formula of the liquid detergent also contains the natural bacteriostatic agent derived from natural plants, so cleaned utensils have a certain antibacterial property, and are not prone to breedbacteria; and the natural bacteriostatic agent can also provide nutrition for human skins, and has a skincare effect.

The invention discloses a washing-off type skin cleaning and nursing composite which comprises the following components by weight percent; about 10%-60% of surface active agent, about 0.05%-6% of water-soluble anionic polymer, about 0.1%-20% of water-soluble humectant and the balance of water. The washing-off type skin cleaning and nursing composite can be easily washed out, can provide good skin cleaning feeling, and has excellent water-retaining property, moisture retention and absorptivity.

The invention relates to the technical field of daily chemical products, and specifically relates to a fast-dissolving solid hand-washing salt and a preparation method thereof. The solid hand-washing salt includes the following raw material components in parts by weight: 5 to 50 parts of sodium chloride, 20 parts by weight. ~68 parts sodium bicarbonate, 15-45 parts citric acid, 5-20 parts surfactant, 2-20 parts humectant, 0.5-5 parts water. The preparation method of the solid hand washing salt includes the following steps: weigh the above raw material ingredients, mix them and put them into the mold of a tablet press or molding machine, press and form, and package them. Each piece of the solid hand washing salt after forming is The weight of salt is 1 to 10g. The solid hand washing salt of the present invention can be prepared into a block shape in an independent disposable package, which is convenient for users to carry, easy to use, clean, and has the effect of skin care and beautifying hands.

The invention relates to a foam hand sanitizer and a preparation method thereof, which belongs to the technical field of hand sanitizer, and comprises the following components in percentage by mass: 0.1-0.5 percent of chlorhexidine disinfectant, 10-18 percent of surfactant, 0.3-3 percent of emollient, 0.1-0.4 percent of pH regulator, 0.05-0.2 percent of essence and the balance is water. The foam hand sanitizer has delicate foam after being pressed by a foam pump head, and the dosage of the hand sanitizer is saved. The foam hand sanitizer contains chlorhexidine disinfectant, surfactant, emollient, pH regulator and the like, and each component is matched with each other, so that the foam hand sanitizer can kill Escherichia coli, Staphylococcus aureus and Candida albicans within 2 minutes. The sterilization effect is superior to the bacteriostatic hand sanitizer in the prior art, and meanwhile, the foam hand sanitizer has abundant and fine foam and is convenient to rinse, and moreover, the foam hand sanitizer can moisten and protect hands.

The invention discloses a matte colorful enamelled ware enameling and firing technology. The matte colorful enamelled ware enameling and firing technology comprises the following steps that firstly, degreasing treatment is conducted; secondly, ground glaze coating and enameling are conducted, a leaching assisting coating agent is sprayed to a clean enamelled ware blank, secondary drying treatmentis conducted, and ground glaze coating and enameling are conducted on the clean enamelled ware blank through a dip-coating manner; thirdly, ground glaze firing is conducted; fourthly, cover glaze coating and enameling are conducted; fifthly, cover glaze firing is conducted; sixthly, color glaze coating and enameling are conducted; seventhly, color glaze firing is conducted; and eighthly, finishedmatte colorful enamelled ware is obtained. Self-made metal degreasing cleaning liquid is adopted in the matte colorful enamelled ware enameling and firing technology, the cleaning speed is high, adsorption can be conducted on the metal surface so that a layer of surface protection film can be formed, and metal is not prone to rusting; and after the blank is subjected to dust removal through the metal degreasing cleaning liquid, thorough flushing is easy. The technology method is easy to grasp, through the reasonable arrangement of various steps and technology parameters of the whole enamelingand firing technology, generation of serious rust spots, bubbles and other defects on the surface of a glaze layer can be effectively avoided, and the quality of the glaze layer of the prepared mattecolorful enamelled ware can be guaranteed.

The invention discloses a backwash laminated filter. The backwash laminated filter comprises a shell, a valve body, a filter element, a blow-off pipe, a filter element laminated rack and a filter element laminated sleeve, wherein the blow-off pipe is connected with a blow-off valve; a water outlet frame is arranged on the upper end of the filter element laminated rack, a water outlet hole and a concave surface are formed on the water outlet frame, and the concave surface is formed below the water outlet hole; a water inlet frame is arranged on the upper end, which corresponds to the water outlet frame, of the filter element laminated sleeve, a first water inlet hole and a second water inlet hole are formed in the water inlet frame, a sealing ring is arranged between the first water inlet hole and the second water inlet hole, and the sealing ring is surrounded on the outer side of the water inlet frame and is in sealing connection with the inner side wall of the shell; the filter element laminated rack can be inserted into the filter element laminated sleeve in a manner of moving up and down, the filter element is arranged between the filter element laminated rack and the filter element laminated sleeve, and the shell is covered on the periphery of the filter element laminated sleeve. The backwash laminated filter has the advantages of reasonable structure, convenience in use, good effect, reliability and excellent backwash effect, and filter and backwash states can be conveniently switched.

The invention discloses a composition for sterilizing fruits and vegetables and a preparation method thereof. The composition is prepared from polyhexamethylene biguanide hydrochloride serving as a main sterilizing active ingredient, combined fatty alcohol polyoxyethylene ether (AEO9), propylene glycol, EDTA2Na, spice and water. The composition is mainly used for sterilizing the fruits and the vegetables which are ate without being boiled and the surfaces of normal objects and has the advantages of simple process, good sterilization effect and high stability.

The invention discloses amino acid face cleaning paste compounded from amino acid potassium salt and amino acid sodium salt and a preparation method of the amino acid face cleaning paste. The face cleaning paste comprises the following components of 20-24% of a humectant, 8-12% of mixed amino acids, 0.9-1.5% of a neutralizer, 20-24% of an amino acid sodium salt surfactant, 10-18% of a cosurfactant, 0.5-1.5% of an emulsifying agent, 2-3% of an auxiliary forming agent, 0-0.5% of lipid layer enhancers, 2.5-3.5% of a thickening agent, and 0% to an appropriate amount of essence, wherein the pH is 6.0-6.8. The face cleaning paste has the following advantages that thorough cleaning is achieved, and skin can be nourished; when the face cleaning paste is used for cleaning faces, foam is fine and smooth, rich, elastic, excellent in smooth sense and easy to thoroughly rinse; the surfactant does not remain on the skin, and after the face cleaning paste is used, comfortable and relaxed feeling canbe given to skin and muscle; and the face cleaning paste is good in appearance pearl light, fine and smooth rather than crude in paste bodies, and good in stability properties.

The invention discloses whitening and moisturizing cleanser containing flos magnoliae extract and a preparing method thereof. The whitening and moisturizing cleanser is prepared from A components, B components, a C component, D components and E components, wherein the A components include, by weight, 15-50 parts of deionized water, 1-10 parts of strong base, 10-30 parts of humectant and 0.01-0.1 part of chelating agent; the B components include, by weight, 0.5-5 parts of emulsifying agent, 0.1-5 parts of pearling agent and 15-40 parts of fatty acid; the C component includes, by weight, 15-30 parts of surfactant; the D components include, by weight, 0.1-5 parts of skin-feeling conditioning agent and 1-5 parts of deionized water; the E components include, by weight, 0.1-0.5 part of p-hydroxyphenyl ethyl ketone, 0.5-5 parts of emollient, 0.01-2 parts of dendrobium candidum extract, 0.01-0.5 part of alpine plant extract and 0.01-0.5 part of the flos magnoliae extract. The whitening and moisturizing cleanser containing the flos magnoliae extract is good in whitening and moisturizing effect, convenient to make and use, safe, free of side effect and free of stimulation and harm to the skin, and is suitable for various skin types.

The invention relates to stone material surface anti-fouling paint. The paint is prepared from, by mass, 34-46% of inorganic resin containing nanometer silicon oxide and / or aluminum oxide and / or zirconium oxide, 7-13% of aluminum oxide, 16-24% of organic resin, 16-24% of organic solvent, 0.5-1.5% of flatting agents, 0.5-1.5% of non-adhesive addition agents and 7-13% of silicon dioxide; the aluminum oxide, the organic resin, the organic solvent, the flatting agents and the non-adhesive addition agents are added into the inorganic resin and mixed to be uniform. The stone material surface anti-fouling paint has the advantages that the paint is environment-friendly and free of peculiar smell, and no pollution is caused to water resources and air; the sintering temperature is low, the temperature resistance is high, no open fire exists, and no harm is caused to a human body; the hardness is high, the 4H hardness can be reached, the self-cleaning performance is good, the weatherability is good, the acid resistance and salt resistance are achieved, no maintenance is required within ten years, and the color does not change; the bacteriostasis effect is achieved, and no chance is left for bacteria growth.

The invention provides a composite well cementing prepad fluid system and a flushing method thereof. The system comprises an acidic flushing liquor, a chemical flushing liquor and a spacer fluid, which are pumped into the system alternatively. Acids in the acidic flushing liquor can react with calcium carbonate in mud cakes in drilling fluid on a shaft wall to generate calcium ions and carbon dioxide; the calcium carbonate particles in the mud cakes are decomposed, the mud cakes become loosen and can be easily washed off and peeled off, at the same time, generated calcium ions can promote thehydration reactions of cement slurry, and the two interface cementing quality is further improved. A surfactant in the acidic flushing liquor can enhance the flushing and washing effect on interfaces,the wetting property of the interfaces is improved, the penetrating effect on the mud cakes on the shaft wall is strengthened, and thus the mud cakes on the shaft wall can be easily washed off and peeled off. The chemical flushing liquor is used to remove oil films on the shaft wall, and isolates the drilling fluid from the acidic flushing liquor so as to prevent the drilling fluid from being polluted by the acidic flushing liquor. The spacer fluid can effectively isolate cement mortar from the acidic flushing liquor. At the same time, the spacer fluid can support calcium carbonate and clay particles that are separated from the mud cakes, and the safety of the well cementing construction is guaranteed.

The invention discloses a goat breeding pen. The goat breeding pen includes a main body of the pen surrounded by a first end wall, a second end wall, a first side wall, a second side wall and a ceiling. The goat breeding pen The circle is provided with nozzles on the fence, and the nozzles are connected to the water pipes. The water flow from the nozzles will scour the ground of the breeding area, and the ground of the breeding area is a slope of 30°-60°, and the end of the slope is a collection tank. The water sprayed by the nozzle will flow into the collection tank after scouring the ground, which can easily clean the sheep pen and prevent the breeding of bacteria in the sheep pen. In addition, the goat manure leaks to the ground of the breeding area through the manure leakage hole and It slides down into the collection tank along the slope, which prevents too much sheep manure from accumulating in the sheep pen, which not only reduces the number of times the breeder cleans the sheep pen, but also keeps the sheep pen clean for a long time. It is suitable for popularization and application in the field of livestock breeding.

The invention discloses a scraper adjustable road roller for constructional engineering. The scraper adjustable road roller for constructional engineering comprises a roller body, a front roller wheel and a rear roller wheel, wherein the front roller wheel and the rear roller wheel are arranged below the roller body and are identical in size. Two scrapers are arranged above the front roller wheel and the rear roller wheel respectively. The length of the scrapers is identical to that of the rear roller wheel. The scrapers are installed on installation plates of the roller body. The installation plates are parallel to the scrapers. Each installation plate is provided with two screws. Each scraper is provided with two strip-shaped holes corresponding to the screws in position. The width of the strip-shaped holes is identical to the diameter of the screws, and the length direction of the strip-shaped holes is perpendicular to the extending direction of the scrapers. A mud flushing device is arranged above each scraper and comprises a water tank, a pump and a nozzle. The scraper adjustable road roller for constructional engineering has the beneficial effects that the nozzles are arranged above the scrapers of the road roller, a driver can conveniently and completely flush mud on the scrapers, and the labor intensity of the driver is reduced.

The invention discloses a toilet bowl with a simple flushing device. The toilet bowl comprises a brush ring water channel, a main washing water channel, a water tank, a water inflow mechanism and a drainage mechanism. The water inflow mechanism comprises a water stop unit for switching on or off the water inflow mechanism. The water stop unit comprises a backpressure cavity with a first pressure relief hole and a second pressure relief hole. When the first pressure relief hole and the second pressure relief hole are both closed, the water inflow mechanism is switched off, and when at least oneof the first pressure relief hole and the second pressure relief hole is open, the water inflow mechanism is switched on. When the water inflow mechanism is switched on, a water outflow channel of the water inflow mechanism supplies water to the brush ring water channel or an inner cavity of the water tank. The toilet bowl further comprises a first start unit for starting the drainage mechanism for drainage. According to the scheme, the two pressure relief holes are formed in the backpressure cavity, control over the water inflow mechanism is more flexible and diverse, the use requirements ofdifferent functions can be met, and the toilet bowl is simple in structure and reliable in function. The invention further provides a washing method of the toilet with the simple flushing device.

The invention provides a skin cleaning liquid and a preparation method thereof. The skin cleaning liquid comprises the following raw materials in percentage by weight: 0.01-3% of benzalkonium bromide, 0.1-15% of fatty alcohol polyoxyethylene ether, 0.05-10% of lauryl dimethyl amine oxide, 0.5-6% of sodium gluconate, 0.5-5% of tween-80, and 61-98.84% of pure water. Compared with the prior art, the skin cleaning liquid provided by the invention overcomes the defect of poor compatibility of an anionic surfactant, and by virtue of a synergistic effect of a nonionic surfactant and a cationic surfactant, the skin cleaning liquid has the characteristics of uniformity, high efficiency and safety. The antibacterial rate of the product for intestinal tract pathogenic bacteria, pyogenic bacteria, pathogenic yeasts is 99% or higher; the skin cleaning liquid can effectively restrain avian influenza viruses, and hand, foot and mouth viruses; toxicological studies show that the acute oral toxicity LD50 value is 5000mg / kg or higher, and the skin cleaning liquid has no subacute toxicity, reaches an actual non-toxic level, and has no irritation to skin.

The invention belongs to the technical field of daily articles, and discloses a toothbrush which comprises a body and a toothbrush head at the front end of the body. Toothbrush bristles are arranged on the toothbrush head and comprise a first row of toothbrush bristles which are located in the middle of the toothbrush head and have a first height, and a second row of toothbrush bristles which are located on the two sides of the first row of toothbrush bristles and have a second height, wherein the first height is larger than the second height. The problem that dirt in dental grooves can not be effectively cleaned away without irritating gingiva or teeth in the prior art is solved.

The present invention designs a spraying device, especially relates to a spray head. The spray head comprises a tubular water spray pipe, a plurality of water spray holes which spray water and drive the water spray pipe to rotate around a center shaft in one direction are formed in the side wall of the water spray pipe, the water spray holes comprise water spray holes a and water spray holes b, the water outlet direction of the water spray holes a deviates to one end of the water spray pipe, and the water outlet direction of the water spray holes b deviates to the other end of the water spraypipe; the water spraying directions of the water spraying holes a and the water spraying holes b are diversified, and ornamental value is achieved. The invention further discloses a spray washing device and a dish washing machine. The nozzle is used for the dish washing machine, the front faces and the back faces of dishes can be flushed at the same time, more positions on the dishes can be directly flushed, and the flushing speed is increased.

The invention discloses an aerosol type wax-free paint remover. A formula of the aerosol type wax-free paint remover comprises the following components in parts by weight: 16.0 to 24.0 parts of an environment-friendly high-boiling-point solvent AGSE, 2.0 to 6.5 parts of solvent oil, 0.8 to 3.6 parts of ethylene glycol monophenyl ether, 2.0 to 4.0 parts of propylene glycol monomethyl ether, 26.0 to40.0 parts of dichloromethane, 5.0 to 12.0 parts of methanol, 2.0 to 9.0 parts of formic acid microcapsules, 1.5 to 3.5 parts of a thickening agent and 12.0 to 26 parts of a propellents. With adoption of the technical scheme, the paint remover has the following advantages: 1, a low-boiling-point solvent and a high / medium-boiling-point solvent are compounded to cooperatively reduce the volatilization speed rate and achieve extremely high dissolving power and penetrability; 2, by dual formic acid microcapsulation, a tank body is prevented from being corroded by formic acid, a paint removing effect is enhanced; and the stability of the product is improved; 3, the thickening agent is added to retard product loss and increase the utilization rate of the product, and no wax is contained, so that influence on recoating after complete flushing is eliminated; 4, by vaporization heat absorption of the propellents, the surface temperature of a workpiece is reduced, the volatilization speed of the product is low, and the characteristics of flexibility and convenience for construction and good atomization are achieved.

The invention discloses a supersonic flaw detection low-temperature couplant composition and a preparation method thereof. The composition comprises the following raw materials: base oil, benzotriazol, triethanolamine, petroleum sodium sulfonate, barium petroleum sulfonate, diethylene glycol monobutyl ether, and an antifreeze additive. The couplant has the advantages of wide temperature application scope, easy cleaning, good antirust type, and easy usage at low temperature, and is capable of increasing flaw detection precision and ensuring supersonic low-temperature flaw detection effect.

The invention provides a special biodegradable cleaning agent for a building roof and a preparation method thereof. The cleaning agent is prepared from a nonionic surfactant, polyol alkyl ether, mineral oil dispersoid, a polysiloxane emulsion, an anionic surfactant, components of hydramine compounds, and deionized water. The special biodegradable cleaning agent can rapidly and effectively remove oily dirt required to be washed in a targeted manner, can be rapidly emulsified, dispersed and dissolved in water, is nontoxic or low-toxic, does not have pungent smell, is green and environmentally friendly, has biodegradability, and is convenient to operate.