54results about How to "No strong irritating smell" patented technology

The invention relates to a novel stainless steel acid-washing passivation liquid which comprises inorganic acid, penetrant, oxidant and corrosion inhibitor. The stainless steel acid-washing passivation liquid does not generate violent pungent odor or yellow acid mist in the application process, thereby avoiding hurting the skin, reducing the air pollution and lowering the cost. The stainless steel acid-washing passivation liquid is easy to use: the stainless steel acid-washing passivation liquid is poured into a tank, and soaks the stainless steel at normal temperature without heating; and the washing speed is about 50% higher than those of the acid-washing passivation liquid (paste) in the existing market and the acid-washing passivation liquid containing nitric acid and hydrofluoric acid, and the washing quantity is as 3.2 times or so as the like products in the market. The novel stainless steel acid-washing passivation liquid can complete oil removal, derusting, descaling and acid-washing passivation at one time. The residual liquid after use can be treated by a conventional treatment method, and can also be used for treating dyeing waste water; and the treated dyeing waste water is clear and transparent and achieves the reclamation standard. Thus, the stainless steel acid-washing passivation liquid has the advantages of environment protection and water resource saving, and can recycle water.

The invention discloses a stainless steel pickling passivator and a preparation method thereof. The stainless steel pickling passivator comprises citric acid, hydrochloric acid, formic acid, fatty alcohol-polyoxyethylene ether, polyethyleneimine, epoxy octyl stearate, thiosemicarbazide, epoxy chloropropane, hydrogen peroxide, a penetrating agent, a corrosion inhibitor, a thickening agent, an inorganic filler and a viscosity modifier. The preparation method comprises the steps of firstly adding part of raw materials such as the fatty alcohol-polyoxyethylene ether and the like into the hydrochloric acid sequentially, and uniformly stirring the raw materials to obtain a mixed solution I; then sequentially adding part of the raw materials such as the hydrogen peroxide into mixed acid liquor of the citric acid and the formic acid, and uniformly stirring the raw materials to obtain a mixed solution II; then mixing the mixed solution I and the mixed solution II, and adding the inorganic filler into the mixture; and finally adding the penetrating agent, the corrosion inhibitor, the thickening agent and the viscosity modifier sequentially into the mixture, and uniformly mixing the mixture to obtain the finished product. According to the stainless steel pickling passivator and the preparation method thereof, the stainless steel pickling passivator is good in passivation effect, not prone to damage the surface of stainless steel, environment-friendly and simple to prepare and does not cause harm to human bodies and environment.

The invention discloses a bare steel rust layer conversion agent for a terrestrial environment. The rust layer conversion agent comprises the following components in percentage by weight: 0.5-5 percent of sodium tripolyphosphate, 0.1-3 percent of copper sulfate, 0.1-2 percent of manganous nitrate, 0.1-2 percent of nickel sulfate, 0.1-2 percent of phytic acid and the balance of water. The rust layer conversion agent disclosed by the invention has excellent rust liquid sagging resistance, and after the conversion agent is sprayed onto the surface of a weather-resistant bare steel sample of which oxide scale is removed, formation of a stable rust layer is promoted, and the rust layer has excellent anticorrosive performance and is suitable for coating of bare steel.

The invention discloses a surface treatment agent capable of generating a brown stable rust layer. The surface treatment agent is prepared from the following ingredients in percentage by mass: 30 to 35 percent of alcohol-soluble phenolic aldehyde varnish, 20 to 25 percent of NiSO4, 2 to 5 percent of CuSO4, 2 to 3 percent of sodium tungstate, 2 to 5 percent of trisodium orthophosphate, 5 to 10 percent of NaHSO3 and 28 to 33 percent of diluting solvents. The surface treatment agent is suitable for bare steel coating; after bare steel is coated with the surface treatment agent, a brown uniform and stable rust layer is generated on the surface; the long-time effective rust liquid flowing and hanging prevention and anti-corrosion performance is realized; in addition, the used surface treatmentagent does not have the strong pungent smell; chromium and nitrite are not contained; safety and environment protection are realized.

The invention discloses a nail-protecting and antibacterial nail polish including the following components, by weight: 25-30 parts of olive oil, 15-20 parts of avocado extract liquid, 3-8 parts of garden balsam powder, 3-8 parts of coconut shell powder, 1-5 parts of pearl powder, 1-2 parts of a pigment, 10-20 parts of butyl acetate, and 15-20 parts of nitro-cellulose. The nail-protecting nail polish employs easy-to-obtain raw materials, is easy to prepare, is low in cost, is convenient to use, has no intensive pungent smell after use, and is low in damage on nails.

The invention provides a bare steel rust layer transforming agent for a salt-contained environment. The rust laser transforming agent comprises the following components in percentage by weight: 0.1-3% of titanyl sulfate, 0.5-5% of zinc dihydrogen phosphate, 0.1-3% of sodium pyrophosphate, 0.1-2% of tannic acid, 0.1-3% of copper sulfate, and the balance of water. The rust layer transforming agent has excellent rust liquid sagging prevention; after the rust layer transforming agent is sprayed on the surface of a weather-resistant steel bare sample with removed scales, the formation of a stable rust layer is accelerated; the rust layer is excellent in corrosion resistance; and the rust layer transforming agent is suitable for coating bare steels.

The invention provides chromium-containing treating fluid for stabilization of a bare steel rust layer. The chromium-containing treating fluid is composed of, by weight, 0.5%-5% of sodium bichromate, 0.1%-3% of NaHSO3, 0.1%-2% of FeSO4, 0.1%-2% of FeCl3, 0.1%-1% of acetic acid, 0.1%-0.5% of triethanolamine, and the balance water. The chromium-containing treating fluid has good performance of preventing sagging of rust fluid; after the chromium-containing treating fluid is sprayed on the surface of a weathering resistant steel plain sample with oxide scale being removed, formation of a stable rust layer is promoted, and the rust layer has good corrosion resistance and is suitable for coating of bare steel.

The invention discloses electrostatic spraying anti-rust oil free of barium and sulfonate. The electrostatic spraying anti-rust oil is characterized by comprising the following components by weight percent: 80-90% of No.15 machine oil, 2-10% of zinc naphthenate, 1-6% of N-oleoyl sarcosine octadecylamine, 2-10% of dodecenylsuccinic acid, and 1-5% of 2,6-butylated hydroxytoluene. The anti-rust oil disclosed by the invention is free of a strong pungent smell, does not contain barium or sulfonate, is healthy and environment-friendly, and has excellent anti-rust property, stable performance and good lubricating property.

The invention relates to a preparation method of benzo [e] [1, 3] oxazine-2, 4-diketone, and belongs to the technical field of organic compounds. According to the preparation method, under the alkaline condition, 2-hydroxybenzamide and (Boc) 2O react in a solvent under the action of a catalyst, and benzo [e] [1, 3] oxazine-2, 4-diketone is obtained. A carbonylation cyclization reagent di-tert-butyl dicarbonate ester (Boc) 2O is adopted, and the reagent has no strong pungent smell, has no toxic effect on a human body, is low in price and is not limited to transportation and use. (Boc) 2O can be used as a relatively good protective reagent. Under the anhydrous condition, the compound can react with 2-hydroxybenzamide with weak nucleophilicity under the action of a catalyst (N, N-dimethyl pyridine). The preparation method is simple to operate, the purity of the obtained product reaches 98% or above, the yield reaches 80%, and the preparation method is suitable for industrial production.

The invention discloses electrostatic spraying anti-rust oil free of barium and sulfonate. The electrostatic spraying anti-rust oil is characterized by comprising the following components by weight percent: 80-90% of No.15 machine oil, 2-10% of zinc naphthenate, 1-6% of N-oleoyl sarcosine octadecylamine, 2-10% of dodecenylsuccinic acid, and 1-5% of 2,6-butylated hydroxytoluene. The anti-rust oil disclosed by the invention is free of a strong pungent smell, does not contain barium or sulfonate, is healthy and environment-friendly, and has excellent anti-rust property, stable performance and good lubricating property.

The invention discloses a preparation method of a water reducer used for electronic ceramic spray granulation slurry. The method comprises steps of: 1) weighing 7.0-7.2% of acrylic acid, 10.2-10.8% of concentrated aqueous ammonia, 1.02-1.07% of a hydrogen dioxide solution, 79.0-79.5% of water, 1.9-2.1% of isopropanol and 0.0021-0.0023% of hydroquinone according to a molar ratio; 2) adding the acrylic acid into a reactor, and adding a portion of the concreted aqueous ammonia to obtain a neutralized solution; 3) adding the isopropanol, the water, and a portion of the hydrogen dioxide solution into the neutralized solution, stirring uniformly, heating to 60-65 DEG C, then adding dropwise the rest of the hydrogen dioxide solution, and heating to 90-94 DEG C after the addition of the hydrogen dioxide solution is finished, and maintaining the temperature to obtain a polymerization solution; and 4) after the temperature of the polymerization solution is lowered to 20-25 DEG C, adding the hydroquinone dropwise under stirring, then adding dropwise the rest of the concentrated aqueous ammonia, and stirring uniformly after the addition of the concentrated aqueous ammonia is finished to obtain the water reducer used for the electronic ceramic spray granulation slurry. The water reducer prepared by the method is strong in dispersion force.

The invention discloses one type of electronic soldering flux. The electronic soldering flux comprises the following raw materials, by weight, 13 parts to 33 parts of rosin, 11 parts to 19 parts of citric acid, 8 parts to 16 parts of hydrochloric acid, 2 parts to 6 parts of filmogen, 1.5 parts to 3.5 parts of antioxidants, 6 parts to 14 parts of organic solvent, and 0.5 part of deionized water. The electronic soldering flux is full and smooth in welding spot, non-toxic and free of strong pungent smell, basically causes no pollution to the environment, and is safe to operate and remarkable in reoxidation resistance during welding, and the quality of welding is improved.

The invention relates to edible, safe and toxicity-free nail polish. The nail polish is prepared from, by weight, 10-30 parts of a maize yellow powder extracting solution, 50-70 parts of an ethanol water solution, 0-1 part of edible food coloring, 0-1 part of edible essence and 4-6 parts of edible plasticizer. The problem that existing nail polish in the market takes a toxic chemical reagent as a main raw material is solved, and the natural and toxicity-free nail polish is prepared from maize yellow powder extract as the main raw material, has no irritation or toxic or side effects on the human body and can be suitable for being used by special people groups such as children and pregnant women.

The invention provides a hot rolled plate hydrochloric acid pickling corrosion inhibition accelerator in which the compositions and weight percentages thereof are as follows: the weight percentage of surface active agent TX-10 that is octyl phenol polyethylene glycol (10) ether is 5% to 10%, the weight percentage of carboxylic cellulose salt is 5% to 10%, and the weight percentage of stannous saltreducing agent is 80% to 90%; the weight percentage of surface active agent TX-10 that is octyl phenol polyethylene glycol (10) ether is 5% to 10%, the weight percentage of carboxylic cellulose saltis 5% to 10%, and the weight percentage of stannous salt reducing agent is 85% to 90%. The composition weight percentage concentration range of corrosion inhibition accelerator in pickling working fluid keeps between 0.5% and 1%. The hot rolled plate hydrochloric acid pickling corrosion inhibition accelerator in the invention has not only good corrosion inhibition performance but also good acceleration performance, and still has good corrosion inhibition and acceleration performances within a certain range of pickling temperature and hydrochloric acid concentration.

The invention discloses a degreasing agent for cleaning oil stains on the surface of steel and a preparation method thereof. Medicaments are added in water; and the medicaments comprises the followingcomponents in percentage by weight: 13.5-15.5% of alpha-olefin sodium sulfonate, 14.5-16.5% of fatty alcohol-polyoxyethylene ether, 22-24% of pentasodium phosphate, 1-2% of carboxymethylcellulose, 24-26% of sodium sulfate, 15-16% of potassium hydroxide, and 4.5-5.5% of sodium silicate. The degreasing agent is compounded by AEO and AOS, can achieve an efficient decontamination effect, and is excellent in oil stain and other inroagnic impurity removing effect. The degreasing agent is efficient in steel plate cleaning effect, can meet quick production requirements in modern coating workshops, contains no chromium, nitrite and strong irritating smell, is low in component poison, green and environment-friendly, and can be widely applied to cleaning of the oil stains on the surface of the steel.

The invention discloses a manufacturing method of ceramic flute. The manufacturing method comprises the following steps that S1, ceramic mud is refined; S2, a vacuum ceramic pipe extrusion device is used for producing a flute green body; S3, a straightening and drying device is used for straightening and drying the flute ciao green body for molding; S4, the formed flute green body is trimmed; S5,the trimmed flute green body is subjected to hole digging manually or by a hole digging device, and a blow hole, a film hole and sound holes are manufactured; S6, the flute green body with dug holes is subjected to firing at 800-1100 DEG C, and the firing time is 5-8 hours; S7, the qualified fired flute green body is selected and glazed so that the product can be more perfect; S8, after the glazeis applied, kiln placing is performed, and a kiln and a bracket are used for hanging the flute green body to which the glaze is applied on the bracket for high-temperature firing; the firing temperature is 1100-1350 DEG C, and the firing time is 8-12 hours; S9, after the completion of the firing, qualified products are selected for sound checking; and S10, the qualified products are packaged and shipped after the sound checking is completed.

The invention discloses a wet leveling agent for bell-type annealing secondary cold-rolled tin-plated extremely thin plate. The wet leveling agent is composed of the following components by weight percentage: triethanolamine: 20-30%, dodecenyl Succinic acid: 5-10%, N-oleoyl sarcosine octadecylamine: 10-20%, polyacrylamide: 10-15%, octylphenol polyoxyethylene (10) ether: 15-25%, Ethylenediaminetetraacetic acid: 5-10%, sodium gluconate: 5-10%. The wet leveling agent of the present invention has the advantages of stable performance, good rust resistance and cleaning performance, no strong irritating smell, and no influence on the operating environment.