1007 results about "Sodium percarbonate" patented technology

The invention relates to a dyeing and fixation process technical method of an activated dye and a textile auxiliary used in the method. The textile auxiliary or the substance or additive having the similar function like the textile auxiliary includes inorganic substance, organic substance, additive and adjusting ingredient; the raw materials are packed directly or packed after being smashed after the measurement, or heated to above 110 DEG C in water to be prepared into different products; in conventional equipment and without the modification of the fiber to be dyed, firstly, through only adding one of the products no more than the quantity of sodium carbonate to realize completely abandoning or no longer mainly relying on the sodium carbonate for fixing; secondly, meanwhile the normal contents of various salts are substantially reduced by 15 to 100 percent; therefore, thirdly, after getting rid of the restriction of relying on the sodium carbonate and the salt in the traditional process, the invention can substantially reduce the resources irrationally wasted in each process of dyeing such as water, power and vapor, etc. More particularly, the process operation is simplified, the processing cycle is shortened, and the effects of substantial energy saving and exhaust reducing, and effect strengthening and consumption reducing can be realized.

The invention includes compositions and a method of treating water to reduce algae in bodies of water, including decorative fountains, swimming pools, wastewater lagoons, storage reservoirs, and ornamental lakes and ponds, such as water features on golf courses. The composition includes a blend of two solid peroxygen compounds: sodium percarbonate and either sodium perborate tetrahydrate or sodium perborate monohydrate. An anticaking agent, such as calcium silicate may be added. The method includes administering the blend to the water by a variety of means, such as manual broadcasting ,or placing in a chemical feeding device.

The present invention is a formable dental treatment tray utilizing poly(2-ethyl-2-oxazoline) and a gelatinous active. Blending of the active is accomplished by mixing the Poly(2-ethyl-2-oxazoline) with an active ingredient, such as a peroxide like hydrogen peroxide, carbamide peroxide, sodium perborate, or sodium percarbonate, usually also with water or an appropriate organic solvent. Peroxide concentrations in these new gels can reach a 30% concentration of hydrogen peroxide while maintaining a shelf life of six months at room temperature without developing peroxide decomposition. The gels are applied to an appropriate backing and dried to a gelatinous state. In use, the active is hydrated and regains adhesiveness. Then the tray is pressed and formed around a user's dental arch to form the customizable tray. Multiple active ingredients may be used, with or without peroxide, for accomplishing desired treatment regimens.

The invention discloses acomposite potassium peroxymonosulfate disinfection tablet which comprises 10.0-70.0 parts by weight of potassium monopersulfate, 1.0-65.0 parts by weight of fillers, 1.0-20.0 parts by weight of adhesives and 0.01-10.0 parts by weight of lubricant, wherein the fillers is formed by one or more then one of sodium sulfate, sodium chloride, potassium chloride, sodium carbonate, sodium bicarbonate, phosphate, inorganic acid, organic acid, starch, dextrin, glucose, solid emulsifier, xylitol and a metal ion complexing agent, the adhesives comprise cellulose, polyvinylpyrrolidone and gelatin; the lubricant is formed by one or more than one of magnesium stearate, talcum powder, micro-powder silica gel, sodium benzoate and polyethylene glycol; in addition, sodium percarbonate, calcium percarbonate, sodium perborate or calcium peroxide 1-2 are added. The invention is convenient to use, has the advantages of quick disintegration and dissolution, can significantly increase the effect of the disinfection tablet and can adjust pH value.

The invention discloses a preparation method of vinyl sulfate. The preparation method comprises the following steps: (1) substitution reaction: carrying out substitution reaction on thionyl chloride and ethanediol used as raw materials, washing the reaction solution with deionized water to a neutral state, standing, stratifying, and separating to obtain vinyl sulfite; (2) oxidation reaction: adding dichloromethane and a ferric sulfate solution into the vinyl sulfite, cooling to 0-5 DEG C, dropwisely adding a sodium percarbonate solution to obtain a water-phase/organic-phase-coexistent reaction solution, standing the reaction solution, stratifying, separating out the water phase, and carrying out reduced pressure distillation on the organic phase, thereby obtaining the vinyl sulfate crude product; and refinement: recrystallizing the vinyl sulfate crude product by using dichloromethane to obtain the high-purity vinyl sulfate. The preparation method has the characteristics of high mole yield, high product purity, low moisture content, low acid value and low preparation cost. The mole yield can reach 85% or above, the purity can reach 99% or above, the moisture content is less than or equal to 60 ppm, and the acid value is less than or equal to 60 ppm.

The invention discloses melt-blown polypropylene as well as a preparation method and application thereof. The melt-blown polypropylene comprises following raw polypropylene resin, a degradation agent,an antioxidant and a lubricant, wherein the degradation agent is selected from one or more of hydrogen peroxide, sodium percarbonate, ammonium percarbonate and urea peroxide. The melt-blown polypropylene also comprises a nucleating agent selected from one or more of dibenzylidene sorbitol, aryl phosphate and nano scale amorphous silicon dioxide, wherein the degradation agent and the nucleating agent respectively account for 0.05-0.5% of the mass percentage of the raw materials. The preparation method comprises the following steps: premixing raw materials, stirring, then selectively adding a deodorant; and melting and granulating by an extruder to obtain the product. The invention also discloses an application of the melt-blown polypropylene in manufacturing melt-blown non-woven fabrics, melt-blown filter elements and sound-absorbing cotton. The melt-blown polypropylene has the advantages of low odor, high electret charge stability and the like.

The invention discloses a preparation method of granular film coated sodium percarbonate, which solves the problem of the quite low stability of the prior products. In the invention, hydrogen peroxide and sodium carbonate are used as raw materials, an appropriate stabilizer and process parameters are selected to synthesize the granular type film coated sodium percarbonate product, and the raw materials are treated by the steps of dissolution, reaction, centrifugation, fluid bed spray liquid pocket, drying, etc. to prepare the high-stability granular type film coated sodium percarbonate; the bulk density of the granular type film coated sodium percarbonate prepared by the method of the invention is 750 to 1150kg/m3, the grain size is 0.8 to 1.4mm, the content of reactive oxygen species is 13.1 percent to 13.6 percent; the moisture stability is higher than 70 percent and the thermal stability is higher than 90 percent; the product is widely applicable in daily chemical, organic synthesis and other industrial fields.

The invention provides a peroxyacetic acid generator which consists of acetylsalicylic acid, tetraacetylethylenediamine, sodium percarbonate, a surfactant, a corrosion inhibitor and a pH regulator at a mass ratio of 1:(1.5-2.0):(3.5-5):(0.02-0.05):(0.1-0.3):(3-6). Meanwhile, the invention also discloses a preparation method of the peroxyacetic acid. Through the invention, by adding the pH regulator, the pH value of the mixed solution is stabilized at about 7-8, and then the prepared peroxyacetic acid solution has higher stability and lower corrosivity.

This invention discloses a method for producing concavo-convex rod(CCR) granule absorption and oxygen-increasing agent. It is composed of: CCR stone clay, natural mineral absorption agent, sodium percarbonate, quick lime and ferrous sulfate. The production steps are: the raw materials are mixed and then pulverized, pressed into pellets, packaged to obtain the finished products. This inventive products, after distributed in pond, can increase the dissolved oxygen (DO), to moderate or eliminate the oxygen deficient in the pond for culturing fish, shrimp, crab or other aquatic animals. It can also absorb ammonia nitrogen, hydrogen sulfide and other toxic matter, and regulate the pH value in water. This inventive product can be produced in shapes of: balls, pellets, blocks, cylinders or other shape.

The present invention provides a deodorant composition which specifically acts upon a malodor derived from sulfides and thereby can eliminate or alleviate the malodor. The present invention relates to a deodorant composition for sulfides, which comprises (A) a polyphenol or a polymer thereof and (B) sodium percarbonate or hydrogen peroxide.

A bioavailable water soluble animal feed mineral composition which provides buffering of animal digestive fluids to near-neutral pH comprising an alkali metal magnesium phosphate hydrate providing a total of between 1.5 and 4.7 equivalent weights of alkali metal and magnesium per molecule of phosphorus. Water of hydration amounting to between 6 and 12 percent is required for effectiveness. An effective composition, Na2Mg(PO4) 0.8 H2O, is prepared by stepwise reaction of sodium carbonate and magnesium oxide with orthophosphoric acid in a rotating pan equipped for high intensity mixing.

Disclosed herein are tooth whitening compositions comprising a peroxide complex comprising hydrogen peroxide and an N-vinyl heterocyclic polymer; sodium percarbonate; and at least one hydrophobic polymer carrier, wherein the hydrogen peroxide of the peroxide complex is present in the tooth whitening composition in an amount ranging from about 3% to about 5% by weight. Further disclosed herein are methods for whitening a surface of a tooth comprising applying a tooth whitening composition as disclosed herein and methods for making a tooth whitening composition.

The invention discloses an environmental functional material for emergency control of black water cluster. The material comprises the following components in percentage by mass: 65 to 85 percent of diatomite, modified diatomite, bentonite, modified bentonite, attapulgite, modified attapulgite, kaolin, modified kaolin, modified sepiolite, clay and/or modified clay, 14 to 30 percent of sodium percarbonate and 1 to 5 percent of chitosan. The material has the advantages of convenient use and good treatment effect and can be used independently or matched with other water treatment agents. The produced floccule has a large particle size and dense structure; the settling time is shortened; and the material can effectively improve the indexes such as COD, ammonia nitrogen, phosphorus, chrominance, peculiar smell and the like of a water body. The material is difficult to produce secondary pollution. The required equipment is simple and the operation is convenient, so the material is applicable for the emergency treatment of the black water cluster.

The invention relates to a method for remediating organic-contaminated place soil by using microwave in collaboration with sodium percarbonat and belongs to the technical field of organic-contaminated place soil remediation; the method specifically comprises: preparing a sodium percarbonat solution having a mass concentration of 5-10%, adding the sodium percarbonat solution to 10-15mg/kg phthalate contaminated soil in a mass ratio of 1: (1-2), mixing thoroughly and stirring uniformly, putting the mixture in a variable-frequency microwave reactor, setting a temperature range from 60 to 80 DEG C, carrying out a continuous stirring reaction for 20-30 minutes, and finally taking out the mixture and measuring a phthalate concentration in the soil to find out that a phthalate removal rate is above 40%; the technical method for remediating soil of the present invention is efficient, easy to implement, free from secondary pollution, good in removal effect, and suitable for organic-contaminated soil polluted by phthalates, polycyclic aromatic hydrocarbons, polychlorinated biphenyls and the like.

The invention discloses a curing agent for heavy metal and organic matter combined polluted soil. The curing agent comprises the following components in percentage by weight: 12-27% of calcium carbide sludge powder, 40-64% of calcium superphosphate powder, and 20-40% sodium percarbonate-supported charcoal powder. The curing agent can significantly reduce the leaching toxicity of heavy metal in the polluted soil, efficiently adsorbs and decomposes organic pollutants, and is particularly suitable for site soil with a higher heavy metal and organic pollutant content (the total content is greater than 10000 mg/kg) and types of pollutants, and the repaired polluted soil can be used as environmental-friendly material to realize resource utilization; meanwhile, the invention further provides a preparation method and an application method for the curing agent; the curing agent is low in cost and convenient to prepare and use, can be popularized and applied to solidification and stabilization repair of combined polluted sites in a large-scale manner, and can realize resource utilization of factory wastes.

The invention discloses a compound sludge conditioner for sludge dewatering, which comprises the following raw materials by mass percentage: 10-20% of oxidant, 30-60% of sludge conditioning bulking agent, 25-55% of inorganic flocculent and 5-10% of cationic polyacrylamide, wherein the wherein is at least one of sodium ferrate, potassium ferrate, sodium percarbonate and sodium hypochlorite; the sludge conditioning bulking agent is at least one of 50-200-mesh pulverized fuel ash, calcined kaoline and magnetite tailing powder; and the inorganic flocculent is at least one of polymeric aluminum ferric chlorine sulfate, polymeric aluminum ferric sulphate and polymeric aluminum ferric silicate. The addition amount of the compound sludge conditioner is small and 5-15% of absolute dry weight of sludge; a dewatering rate is high; a water content of the sludge with a water content of 90-99% can be reduced to 40-60% after pressure filtration dewatering; and the reduction, stabilization, harmlessness and reclamation of the sludge are achieved.

The present invention discloses process of treating bamboo shoot coating for producing tableware and process of producing tableware with bamboo shoot coating. The process of treating bamboo shoot coating includes the following steps: 1. sorting material; 2. cutting, boiling in water, digesting in solution of sodium percarbonate or hydrogen peroxide and rinsing in water; and 3. dewatering, leveling, stoving and eliminating hair to form soft sheet of bamboo shoot coating fiber. The process of producing tableware with bamboo shoot coating includes the following steps: 1. cutting soft sheet of bamboo shoot coating fiber; 2. applying adhesive and intersectionally superposing; 3. high temperature molding and curing to form the semi-finished product; and 4. deburring to obtain the finished product. The production process is simple, environment friendly, low in power consumption and suitable for industrial production.

The invention relates to dried prepare sodium percarbonate with active oxygen content at least 10 wt% and prefers to 13.5~15.2 wt%, and belongs to preparation technology field for peroxyacid salt in inorganic chemistry. Wherein, spray the hydrogen dioxide solution with varying speed to soda without water for reaction; drying and granulating the production to obtain the objective production. This invention is simple to control the active oxygen content and density and fit to different market require.

The invention provides a cleaning agent that is applicable to clean hollow fiber ultrafiltration membrane, which comprises the compounds (percentage by weight): anhydrous sodium carbonate accounts for 25-45 percent, trisodium phosphate accounts for 5-20 percent, anhydrous sodium sulfate accounts for 2-5 percent, ethylene diamine tetraacetic acid tetrasodium salt (EDTA-4Na) accounts for 5-15 percent, sodium percarbonate accounts for 0-33 percent, emulsifying agent SAS accounts for 8-15 percent, peregal-25 accounts for 0-5 percent and dodecyl sodium sulfate accounts for 4-10 percent. The compounds are added into an enamel reactor with a stirrer and a grinder in sequence to be stirred for 2-3 hours, thus obtaining the cleaning agent through grinding the mixture evenly. The invention has simple preparation and is particularly applicable to clean hollow fiber ultrafiltration membrane such as ultrafiltration oily wastewater, organic wastewater, protein concentration, etc.; the invention has strong decontamination direction, high effect and low cleaning cost.