413 results about "Sodium perborate" patented technology

The invention provides a single phase whitening dentifrice that includes (i) a whitening agent selected from the group consisting of hydrogen peroxide, a bound peroxide and a solid peroxide (ii) an abrasive and (iii) a substantially anhydrous orally acceptable carrier, for example, polyethylene glycol. The bound peroxide may be hydrogen peroxide and a polymer and/or any peroxide compound and a porous cross-linked polymer, such as polymers of polyvinyl pyrrolidone, polyacrylates, a polymethacrylates, and a polyitaconates. The solid peroxide may be sodium perborate or urea peroxide. The invention also provides methods of whitening the tooth surfaces by contacting the surface with the composition.

Dental bleaching compositions, for example in the form of liquids, gels, creams, pastes and ointments, comprising a peroxide releasing compound and from 1% to 35% by weight of a potassium-containing compound such as potassium nitrate, wherein the potassium nitrate is present in a safe and effective amount to prevent tooth hypersensitivity in the patient during the bleaching process. The potassium nitrate contemplated by the invention is compatible with peroxide yielding bleaching compounds such as peroxide, carbamide peroxide, calcium peroxide, zinc peroxide, magnesium peroxide and sodium perborate. Potassium nitrate is complimentary and synergistic with the peroxide bleaching agents contemplated by the invention and enhances the release of oxygen to the tooth enamel. Also contemplated are methods of bleaching teeth comprising application of the dental bleaching compositions of the invention.

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.

A water-soluble film made from a resin composition comprising (A) 100 parts by weight of an anionic group-modified polyvinyl alcohol having a viscosity of 10 to 35 mPa·s measured at 20° C. with respect to a 4% by weight aqueous solution thereof, an average degree of hydrolysis of 80.0 to 99.9% by mole and a rate of anionic group modification of 1 to 10% by mole, (B) 20 to 50 parts by weight of a plasticizer, (C) 2 to 30 parts by weight of a filler, and (D) 0.01 to 2.5 parts by weight of a surfactant. The water-soluble film has an excellent water solubility, and is not gelled or insolubilized even if chemicals containing a boric acid substance, particularly sodium perborate, are packaged therein or even if it is put in an aqueous solution of a boric acid substance, particularly sodium perborate.

The invention discloses a formula of lead-acid storage battery positive pole diachylon. The lead-acid storage battery positive pole diachylon is prepared from the following components in percentage by weight: 70-90% of lead powder, 3-15% of sulfuric acid, 5-20% of water, 0.05-2% of short fiber, 1-20% of sodium perborate, and 0.1-10% of polytetrafluoroethylene emulsion; the sum of the weight percentage of all the components is 100%. According to the invention, by adopting the sodium perborate, the electric conductivity of active substance semi-conductors of the positive pole as well as binding force between the active substances and a grid are increased; by adding the polytetrafluoroethylene (PTFE) emulsion, the structure of the active substances during charging and discharging is ensured, softening and dropping of active substances are reduced, and thus the charging receptivity of the active substances of the positive pole is promoted and the cyclic service life of the battery is prolonged.

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 lead-acid storage battery lead paste, comprising a positive lead paste and a negative lead paste, wherein the positive lead paste comprises the following components: regenerated lead powder, red lead, polytetrafluoroethylene, ultra-fine tetrabasic lead sulfate, sodium perborate, graphite, polyester staple fiber, glass fiber, antimonous oxide, dilute sulfuric acid and deionized water; and the negative lead paste comprises the following components: regenerated lead powder, red lead, barium sulfate, barium stearate, sodium lignosulfonate, humic acid, semi-carbonized wood chips, polyester staple fiber, modified graphene, dilute sulfuric acid and deionized water. According to the lead-acid storage battery lead paste disclosed by the invention, the problem of poor over-discharge performance and charge acceptance capability of a storage battery can be improved, and the service life of the storage battery can be prolonged.

The present invention provides a carrier which comprises a malodour counteractant (MCA), for use in an ostomy or incontinence pouch, wherein said carrier is attached directly or indirectly to the wall of the pouch. The MCA may be in the form of a coating or a matrix on the carrier, or may be attached directly to the carrier by way of an adhesive. The invention also provides a method for use in the production of an ostomy or incontinence pouch comprising attaching directly or indirectly to plastics material forming, or for forming, a pouch wall, a carrier carrying an MCA. A preferred MCA is a hydrogen peroxide generator, for example, sodium perborate, which may be used in the above carrier, or in other delivery mechanisms.

The invention belongs to a new boric fertilizer, referring to a boric fertilizer water dispersing granule and preparing method thereof. The invention comprises one or more than one boric fertilizers and at least one surfactant; the materials are processed as the regular or irregular granules water dispersing granule; the weight part of the boric fertilizer is 5-95 parts; the rest is the assistant. The preferable solution of the invention is following: the boric fertilizer comprises one of the boric acid, boron oxide, boric acid ammonium, sodium tetraborate, calcium borate side, partial sodium borate, sodium borate tetrahydrate, magnesium diboride, sodium perborate, zinc borate, boric acid manganese, high-sodium borate, partial acid potassium, boron and magnesium fertilizer, boron and magnesium phosphate and boron mud or the mixture of the two or more than two of the above. The preparing method of the invention is scaling the prescription, mixing, crushing, and granule and drying to obtain the product. The boric fertilizer water dispersing granule of the invention has a fast disintegration, dissolving (dispersing) completely, not plugging the nozzle and the dropping pipe lines, no heating while using, easy to absorb moisture, packaging, storage and transportation, measurement, the use of low cost, widely used in food crops, cash crops, horticulture, lawns and urban greening; the market prospect is very broad.

The invention discloses a fabrication method for a long-service lifetime positive plate of a lead-acid storage battery. The fabrication method comprises the following steps of separately weighing and stirring lead powder for production of the storage battery, sodium perborate, polyester short fiber special for the storage battery and a superfine tetrabasic lead sulfate additive; adding pure water, performing stirring and oxidizing, and adding a sulfuric acid aqueous solution during the stirring and oxidizing process; continuously stirring and stopping stirring until a stirring temperature is lower than 47-53 DEG C to obtain lead paste; filling the lead paste on a grid to fabricate a non-cured positive plate; and introducing the non-cured positive plate in a curing chamber for curing to obtain the positive plate. The fabrication method for the long-service lifetime positive plate of the lead-acid storage battery is stable in fabrication process, the curing time of the plate is shortened, the fabricated positive plate lead paste is high in content of the tetrabasic lead sulfate, small in crystalline particle and uniform in granularity, and thus, the storage battery has the advantages of high charging formation efficiency, large initial capacity, long service lifetime and high storage battery consistency.

The invention discloses a production process for goat free-chrome and no-vegetable tanned vamp leather, which comprises the steps of rewatering, tanning, alkaline extracting, oxidating, rinsing, neutralizating, retanning and filling, oiling and fixing. The production process is characterized in that the tanning process adopts phosphorus tanning agents to replace the chrome tanning agents with heavy pollution, which are adopted in the industry, the solution PH is increased to 5.0 to 5.5 by alkali liquor to fix the phosphorus tanning agent, the uncombined tanning agent is further fixed by using sodium perborate; the synthesized tanning agents such as synthesized tanning agents, resin tanning agents, etc. rather than the current used chrome tanning agents are adopted to retan during retanning. The invention overcomes the current situation of serious chrome pollution in the leather manufacturing industry, the leather body of the made free-chrome no-vegetable tanned goat vamp leather is full, soft and elastic, the grain surface is neat and fine, the shrinking temperature of crust leather can reach to 92 DEG C, all the other physical and mechanical properties meet the requirements for the goat vamp property, and moreover, the wastes which are produced during the production process can be degradated to achieve the emission without pollution.

The invention relates to the technical field of heat-conducting components, in particular to a heat pipe with efficient heat-conducting effect and a heat-conducting medium thereof. The hot pipe comprises a metal pipe and the heat-conducting medium packaged in the metal pipe; and the heat-conducting medium is made from the following raw materials: 1,000g of deionized water, and 40-60g of potassium dichromate, 3-5g of boric acid, 8-12g of sodium perborate, 2-4g of sodium peroxide, 1-3g of calcium chloride, 6-10g of ethanol, 0.5-1g of manganese dioxide and 0.2-0.8g of zinc hydroxide, which are added into 1,000g of deionized water. By the technical scheme, a plurality of materials are cooperated with one another, and heat-conducting efficiency of a product is improved. By the heat pipe made from the heat-conducting medium, the heat-conducting efficiency is improved by 200-300% compared with that of the heat-conducting medium of an ordinary heat pipe, and the applicable temperature range of the heat pipe is wide.

The invention relates to pine nut shell gas-phase adsorption active carbon, which is prepared from the following raw materials in parts by weight: 150 to 160 parts of pine nut shell, 3 to 4 parts of graphene, 10 to 15 parts of attapulgite, 8 to 10 parts of ferric trichloride, 8 to 10 parts of sodium perborate, 10 to 15 parts of citric acid, 4 to 5 parts of modified diatomite and an appropriate amount of water. The pine nut shell is adopted as a raw material to produce the active carbon. The pine nut shell has hard texture and moderate specific gravity and is likely to form a fine pore structure after being carbonized at a high temperature, the weaknesses of a traditional method can be overcome and the active carbon is suitable for the gas adsorption; by adopting the attapulgite, a sterilizing, deodorizing, moisture absorbing and mildew preventing functions can be achieved and organisms can be catalyzed and decomposed; by utilizing the ferric trichloride, oxidization and desulphurization can be realized; due to addition of the sodium perborate, the oxidization decoloring function be realized and ecological oxygen can be realized; and the pine nut shell gas-phase adsorption active carbon is safe, healthy, low in cost and particularly suitable for purifying the air of a living environment.

The invention relates to a boron fertilizer effervescence granule and method of producing the same, pertaining to a novel boron fertilizer. The boron fertilizer effervescence granule includes one or more boron fertilizer and one or more compounds contacted with water to generate gas, wherein, the weight part scope of the boron fertilizer is from 61 to 95. The preferred scheme of the invention is that the boron fertilizer includes one of boric acid, boron oxide, ammonium pentaborate, sodium tetraborate, calcium metaborate, sodium metaborate, tetrahydate octa sodium borate, magnesium diboride, sodium perborate, zinc borate, manganese borate, sodium perborate, potassium metaborate, boron magnesium fertilizer, boron and magnesium phosphate, and boron mud, or a mixture of two or more of the above. The preparation method of the invention includes: weighing the formulation material, mixing, grinding, granulating, and drying to obtain. The inventive boron fertilizer effervescence granule has a fast disintegrating velocity in the water; completely dissolving(dispersing); non-clogging of nozzle and drip irrigation pipeline; no need of heating when in use; no absorption of moisture; low packaging, storage and transportation, measurement and use cost; wide application in food crops, cash crops, horticulture, lawns and urban greening; and very broad market prospect.

The invention relates to methods of preparing an organic boron compound and a beta-carbonyl compound by catalyzing copper ion loaded chitosan microspheres. The preparation method of the organic boroncompound mainly comprises the following steps of A, adding copper ion loaded chitosan microspheres, tetrahydrofuran and water into a reaction vessel, and fully stirring to obtain a mixed solution under room temperature; B, adding an alpha,beta-unsaturated carbonyl compound and a bis(pinacolato)diboron reagent into the mixed solution; C, stirring at room temperature so as to react fully; and D, after the reaction is finished, separating and purifying to obtain the organic boron compound. The preparation method of the beta-carbonyl compound comprises the steps A, B and C of the above method, andalso comprises steps of directly filtering, then washing with tetrahydrofuran and mixing a washing liquid with a filtrate, adding sodium perborate tetrahydrate into the filtrate, stirring at room temperature so as to react fully, separating and purifying to obtain the beta-carbonyl compound. The methods have the beneficial effects that the copper ion loaded chitosan microspheres are used as a catalyst to prepare the organic boron compound for the first time, no extra ligand is added, and the methods have high catalysis efficiency, high stability, and is non-toxic and environmentally friendly.

The invention discloses a one-component TMB developing solution for enzyme-linked immunosorbent assay. Every 1000mL developing solution comprises the following components: 7-10 g of citric acid, 16-20 g of disodium hydrogen phosphate, 0.1-0.5 g of sodium perborate, 20-30 ml of glycerinum, 5-40 mg of TMB and 10-40 ml of DMSO; the one-component TMB developing solution which is good in oxidation effect also comprises 1-3 g of EDTA. Through using the one-component TMB developing solution in the range in the developing state of the enzyme-linked immunosorbent assay, the condition of mixing a solution A and a solution B during the use of the TMB developing solution is avoided, so that the operation time is decreased, the concentration change of the effective developing components of the TMB developing solution is avoided and the sensitivity of the TMB developing solution is improved; the TMB solvent used by the one-component TMB developing solution is DMSO, and compared with the solvent ethyl alcohol, the TMB dissolution speed of the DMSO is high, the dissolution is sufficient and the stability of the dissolved solution is better; through the addition of the EDTA, the stability of the TMB solvent can be further improved.

The invention relates to a superconductor heat pipe and a preparation method of a heat transfer medium thereof. The superconductor heat pipe comprises a metal pipe, wherein both ends of the metal pipe are sealed, the heat transfer medium is stored in an inner cavity of the metal pipe, and the inner cavity of the metal pipe is vacuumized. The heat transfer medium comprises the following raw materials in percentage by weight: 3-5g of boric acid, 50-60g of potassium dichromate, 8-10g of sodium perborate, 1-3g of calcium chloride, 1-3g of sodium dioxide, 1-3g of manganese dioxide, 1-1.5g of dihydroxyaluminum, 1-5g of sodium chloride and 1000g of water. The preparation method of the heat transfer medium comprises the following steps of: adding the raw materials into mild water at 80 DEG C sequentially; and dissolving by evenly stirring continuously at the same time. The superconductor heat pipe has quick heat transfer, high heat transfer efficiency and good energy-saving effect, and the heat transfer medium has stable chemistry, larger heat conductivity coefficients, good compatibility with pipes, non corrosiveness and convenient preparation method.

The invention discloses a method and system for repairing polycyclic aromatic hydrocarbon contaminated soil through fenton-like and microorganism combination. The method includes the following steps that (1) a mixture of carbon-coated porous foamed iron fine particles and sodium perborate or urea peroxide and citrate is scattered into the contaminated soil; (2) a hydrogen peroxide solution is evenly sprayed into the contaminated soil, polycyclic aromatic hydrocarbon pollutants are enriched and removed, and the foamed iron fine particles are recycled; and (3) mixed bacterium suspension is sprayed into the contaminated soil. The system comprises a material scattering device and a recovery device. The material scattering device comprises a material scattering crawler belt conveyor and a material scattering fixed frame. The material scattering fixed frame is provided with a mixture hopper, a hydrogen peroxide solution storage tank and a sprayer. The recovery device comprises a recovery crawler belt conveyor and a recovery fixed frame. The recovery fixed frame is provided with a magnetic recovery device, a recovery tank, a mixed bacterium suspension storage tank and a sprayer. By means of the method and system, the process is simple, cost is low, sustainability is high, damage to soil microorganisms and organic matter is avoided and the danger of secondary pollution is avoided.

The invention relates to low temperature soaping powder and a preparation method thereof. So far, there has been no soaping powder which has excellent soaping performance at low temperature and decolouring performance to soaping residue. The low temperature soaping powder provided in the invention comprises, by weight, 25 to 65 parts of maleic anhydride-acrylic acid copolymer powder, 35 to 85 parts of sodium percarbonate and 35 to 85 parts of sodium perborate. The preparation method for the low temperature soaping powder comprises the following steps: with an aqueous solution of maleic anhydride-acrylic acid copolymer, sodium percarbonate and sodium perborate as raw materials, heating the aqueous solution of maleic anhydride-acrylic acid copolymer to a temperature of 70 to 90 DEG C under agitation, subjecting the aqueous solution of maleic anhydride-acrylic acid copolymer to vacuum distillation for 2 to 5 hours at a temperature of 70 to 90 DEG C and cooling the aqueous solution of maleic anhydride-acrylic acid copolymer to a temperature of 60 to 70 DEG C; subjecting the aqueous solution of maleic anhydride-acrylic acid copolymer to vacuum drying for 8 to 15 hours at a temperature of 100 to 150 DEG C, crushing dried maleic anhydride-acrylic acid copolymer and mixing crushed maleic anhydride-acrylic acid copolymer with sodium percarbonate and sodium perborate to prepare the soaping powder. The low temperature soaping powder provided in the invention has strong soaping performance, strong anti-staining performance, and decolouring performance to soaping residue.

The invention discloses lead acid storage battery positive electrode lead paste, and belongs to the technical field of lead acid storage battery manufacturing. The lead acid storage battery positive electrode lead paste is prepared from lead powder, sulfuric acid, water, short fiber, sodium perborate, sodium pyroantimonate, red lead and titanium black. Besides the ingredients of the lead powder, the sulfuric acid, the water and the short fiber, the lead acid storage battery positive electrode lead paste also comprises the effective ingredients of the sodium perborate, the red lead, the titanium black conducting ceramic materials and the like. The hole shape and the porosity are maintained by a lead acid storage battery assembled in such a way in the charging and discharging process; the positive electrode active ingredients have high forming performance and active ingredient utilization rate; high capacity is realized during high-rate discharging; the network structure of the positive electrode active substances is stable; the early stage capacity of the battery can be increased; the early capacity attenuation of the battery can be prevented; meanwhile, the hydrogen separation potential of the battery is obviously reduced.

The invention discloses an enzyme-containing peroxide bleacher and a preparation method thereof. The composition comprises the following components in percentage by weight: 1.0-3.0% of protease, 0.2-0.5% of cellulase, 2.0-5.0% of lipase, 5.0-10.0% of sodium perborate, 5.0-10.0% of sodium tetraborate, 50.0-80.0% of sodium percarbonate and 1.0-5.0% of sodium bicarbonate. The method comprises the following steps of (1) adding sodium perborate, sodium tetraborate and sodium bicarbonate into sodium percarbonate according to the ratio, placing all the components into a mixing stirrer, and sufficiently and uniformly mixing to obtain a mixture A; (2) sequentially adding the protease, the cellulase and the lipase into the mixture A according to the ratio, and uniformly mixing to obtain a mixed liquid B; and (3) adding essence into the mixed liquid B according to the ratio, uniformly stirring and mixing, then, placing the mixture into a drying machine, and removing excessive water to obtain the enzyme-containing peroxide bleacher. The preparation method disclosed by the invention is simple; the functions of all the components can be effectively exerted; and a favorable peroxide bleacher cleaning effect can be achieved.