201results about How to "Solve discoloration" patented technology

The invention relates to the concrete pumping aid field, in particular to a low-cost concrete antifreezing pumping aid and a preparation method thereof. The concrete pumping aid comprises the following raw materials by weight percent: 20-30% of polycarboxylic acid water reducing agent of which solid content is 40%, 0.3-0.4% of air entraining agent, 0.9-2% of retarder, 11-15% of sulfonated acetone-formaldehyde condensate of which solid content is 36%, 6-10% of sodium lignin sulfonate, 2-4% of antifreezing component and the balance of water. The preparation method comprises the following steps: adding water, air entraining agent, polycarboxylic acid water reducing agent and sulfonated acetone-formaldehyde condensate in a container to heat to 45-55 DEG C, and stirring evenly; adding sodium lignin sulfonate in the container to stir, centrifuging to remove precipitate; and adding retarder and antifreezing component to stir evenly. The low-cost concrete antifreezing pumping aid has good performance; the composite indicators such as the antifreezing property, the pumping property, the water reducing ratio and the ratio of compressive strength are better than that of the antifreezing pumping aid which uses polycarboxylic acid water reducing agent or sulfonated acetone-formaldehyde condensate alone; and the antifreezing pumping aid in the invention has higher adaptability and good cost performance.

The invention provides a method for preparing an antibacterial composition for monofilaments of toothbrushes, make-up brushes, paint brushes, civil brushes or industrial brushes. The method comprises the following steps of: (1) crushing a polymer mechanically to obtain polymer powder; and (2) mixing the polymer powder obtained in the step (1) and an antibacterial agent to obtain the antibacterial composition, wherein the antibacterial agent is a phosphate or glass micro powder of silver, zinc or a silver zinc complex. The invention also provides antibacterial agent-containing antibacterial monofilaments. The antibacterial agent is the phosphate or the glass micro powder of the silver, the zinc or the silver zinc complex, and the antibacterial effect of the antibacterial monofilaments is over 99 percent. By the method, the problem of discoloration caused by the antibacterial agent in the processing process can be solved, and the antibacterial agent can be dispersed in a resin matrix uniformly simultaneously, so the antibacterial efficiency of the antibacterial composition on ordinary bacteria is improved, and the antibacterial efficiency of the antibacterial composition on fungi is also improved simultaneously.

The persent invention relates to a sodium tanshinon IIA sulfonate glucose injection and its preparation method. Said injection contains (by wt%) 0.002-0.016% of sodium tanshinon IIA sulfonate, 5-25% of glucose, 0.05-0.2% of antioxidant and the rest is injection water. Said injection can obtain good therapeutic effect, and its preparation method is simple.

The invention discloses a method for preparing decolorized grosvenor momordica juice and the decolorized grosvenor momordica juice prepared by the method. The method comprises following steps: selecting materials and pre-processing, passing through a cation column, decolorizing, acidifying for the first time, concentrating and acidifying for the second time. The decolorized grosvenor momordica juice is white or yellow-like transparent liquid with Baume degree more than 10 or brix more than 60, wherein the juice contains, calculated by dry weight, mogroside with a volume content equal to or larger than 30%. The grosvenor momordica juice prepared by the method keeps the natural nutriment of grosvenor momordica and has high sweetness and low sugar content. Meanwhile, the method solves the color change problem of the grosvenor momordica juice, and the product is suitable for various consumers, in particular to patients with diabetes, hypertension, etc.

The invention discloses brass surface passivation solution and a passivation method. The formula in a chrome-free passivation process comprises 2.5 to 6ml / L of phytic acid, 9 to 12ml / L of hydrogen peroxide, 1 to 7g / L of boric acid, 2 to 16ml / L of polyethylene glycol-400 and 1 to 10g / L of additive. The passivation temperature is 35 to 45 DEG C; the pH value is 2 to 4; and the passivation time is 55 to 65 seconds. A brass sample is placed in the passivation solution, and then the corrosion resistance of a brass surface can be obviously improved and the corrosion resistance of the brass is a little better than that of a bichromate passivated film. The passivation method is expected to substitute the bichromate passivation technology and has a wide application prospect.

The actinidia arguta is a specific precious wild resource. The meat of the actinidia arguta is jade green; the actinidia arguta tastes fine, juicy, fragrant and delicious; the sweetness and the sourness are proper; the nutrition is very rich; the actinidia arguta is a fruit well received by customers and is known as the king of fruits. Wild actinidia arguta resources are readily available in Changbai Mountains, but products of the actinidia arguta are few and cannot meet the consumption demands in different seasons, so that the demands of the customers for wild actinidia arguta products are suppressed. The invention discloses a preparation technology for Changbai-mountain pure natural wild actinidia arguta fruit powder. According to the technology, the freeze-dried fruit powder is prepared by selecting fresh and intact actinidia arguta, washing, smashing, pulping and concentrating the actinidia arguta, adding maltodextrin and performing vacuum freeze-drying on mixed fruit paste. The actinidia arguta freeze-dried fruit powder is high in nutrient value and is convenient food suitable for various groups of people.

The invention relates to a method for preparing zinc molybdate ultrafine anti-bacterial powder by adopting a molten-salt growth method. The method comprises the following steps that: sodium molybdate and zinc nitrate serving as raw materials and sodium nitrate serving as a salt material are mixed in a mortar in the proportion of 1:1:8-18; a proper amount of absolute alcohol is added in the mortar to grind for 1 to 2 hours to ensure that the raw materials and the salt material are mixed sufficiently and uniformly; the mixture is dried for 2 to 4 hours at 90 DEG C in a crucible, and is melted and calcined for 3 to 7 hours in an electric furnace at the temperature of between 320 and 360 DEG C; and the calcined curing product is sufficiently soaked and washed with distilled water, is filtered and dried to remove residual fused salt to obtain the ultrafine zinc molybdate powder. Researches prove that the ultrafine zinc molybdate anti-bacterial powder prepared by the molten-salt growth method has bacteria resistance superior to the anti-bacterial powder synthesized by a chemical precipitation method under the same testing condition, and avoids the problems of high cost and color change by using a silver antibacterial agent. The method can be widely applied in the fields of plastics, ceramics, paints and the like.

The invention provides antibacterial ink for ceramic ink-jet printing and a ceramic tile with an antibacterial function. The antibacterial ink for the ceramic ink-jet printing comprises solvents and antibacterial agents which are uniformly dispersed in the solvents; the solvents are water solutions which are formed by 1, 2-propanediol and 1, 2-ethanediol; the antibacterial agents are formed by calcium phosphate and inorganic salt containing one or more antibacterial ions of silver, copper and zinc ions; the mass fraction of the calcium phosphate in the antibacterial agents is of 8 % to 20 % and the abundant is the soluble inorganic salt containing one or more antibacterial ions of silver, copper and zinc ions. The antibacterial ink can be used to printing the ceramic tile with the antibacterial function. Compared with the prior art, the antibacterial ink for the ceramic ink-jet printing has the advantages of enabling functions of the existing ink for the ceramic ink-jet printing to be enriched, enabling the ceramic pile which is produced by utilizing the antibacterial ink to have the antibacterial function, being high in whiteness, solving a color changing problem due to the fact that metal ions which are served as the antibacterial agents are restored or oxidized and being long in antibacterial effect.

The invention relates to a stable and safe oxiracetam pharmaceutical composition for injection and a preparation method thereof, especially to an oxiracetam pharmaceutical composition for treating brain damage and neurological deficit caused by the brain damage as well as impediment of anamnesis and aptitude. Preferred are injections and lyophilized powders. The oxiracetam pharmaceutical composition provided by the invention mainly contains active components of oxiracetam, sodium chloride and citric acid. The oxiracetam pharmaceutical composition for injection has stable pH values and low impurity content. By the adoption of the preparation method, curative effects of the product are effectively raised, side effects are minimized, and simultaneously the yield is raised, cost is reduced, and higher benefits are created.

In order to overcome the problems of insufficient high-temperature cycle performance and battery expansion of an existing lithium ion battery, the invention provides a non-aqueous electrolytic solution, which comprises a solvent, an electrolyte salt and an additive, wherein the additive comprises unsaturated phosphate shown in a structural formula 1, bicyclic carbonate shown in a structural formula 2 and cyclic sulfate shown in a structural formula 3. The invention also discloses a lithium ion battery comprising the non-aqueous electrolytic solution. When the non-aqueous electrolytic solutionprovided by the invention is applied to the lithium ion battery, the non-aqueous electrolytic solution has relatively good long-term high-temperature cycle performance and long-term high-temperature storage performance and relatively low volume expansion rate, and the electrolytic solution has relatively good stability in long-term circulation.

The invention relates to preparation methods for an amino triazine derivative macromolecular char forming agent and a polypropylene flame retardant. Cyanuric chloride and a solvent are added into a reaction kettle, and alkylamine-containing mixed amine and an acid-binding agent are added dropwise to generate a unitary substituendum; diamine and the acid-binding agent are added dropwise at room temperature to generate a binary substituendum; the amino triazine derivative macromolecular char forming agent is obtained by subsequent treatment, the flame retardant is prepared from the char forming agent, and the flame retardant is high in compatibility in a PP (propene polymer). The preparation methods have the advantages that hydramine is replaced or partially replaced with alkylamine, so that the compatibility of the triazine char forming agent and the PP is improved, and the problem of difficult separation of the triazine char forming agent is solved; with adoption of the non-acetone solvent, the problem of discoloration of the triazine carbonizing agent is solved; the amino triazine derivative macromolecular char forming agent and the polypropylene flame retardant are widely applied to the flame-retardant fields of automobiles, household appliances, building materials and the like.

The invention discloses a preparation method of a fruit can and belongs to the technical field of canned food processing. The preparation method comprises the following steps: 1, cleaning, by weight, 45-60 parts of fresh fruits, removing peel, cutting the fruits into pieces, and removing kernels; 2, preparing a plant extract, wherein 5-10 parts of dry honeysuckle and1-3 parts of green tea are picked, deionized water with weight part 10 times the sum of the weight parts of the dry honeysuckle and the weight parts of the green tea is added, after the mixture is boiled, the boiling is continued for 25-45 minutes, the filtration is conducted, filtrate is picked, and the plant extract is obtained; 3, conducting pre-boiling, wherein the fruits which are pre-treated ready are placed into water at the temperature ranging from 90 DEG C to 100 DEG C for conducting the pre-boiling for 1-3 minutes, then 0.5-1 part of color fixative is added, the boiling is continued for 0.5-1 minute, fruit pulp is fished out, and the cooling is conducted; 4, preparing sweet water; 5, conducting canning; 6, conducting sealing and sterilization. Compared with the prior art, the fruit can prepared through the method has the advantages of being rich in nutrition, not prone to causing excessive internal heat and good in color and luster.

The invention discloses a compound antimicrobial containing polyvalent silver ions, comprising a compound antibacterial gel preparation, a compound antibacterial water preparation and a compound antibacterial emulsifying preparation which are formed by respectively compounding an antibacterial reagent, a gel reagent, a water reagent and an emulsifying reagent. The antibacterial reagent contains a monovalent silver ion compound, a water soluble chitosan, EDTA, 1-methylbenzotriazole, propylene glycol and one or two of bivalent silver ion compound and trivalent silver ion compound. The invention has strong and lasting bacterial killing capability, can perform quick bacteria killing and deep bacteria killing, has strong anti-inflammatory function and the function on promoting the regeneration of epithelia, and can not generate acute or chronic accumulated toxic or side effect.

The invention discloses a chromium-free tanning agent in the tanning industry and a synthetic production process thereof; the formula (weight ratio) comprises: 60-150 parts of amide containing hydroxymethyl, 30-100 parts of aliphatic aldehydes, and 1-5 parts of anti-yellowing agent. The production method comprises the following steps: in the first step, 60-150 parts of amide containing hydroxymethyl are added into a reaction kettle with a stirring function, a thermometer, a reflux condenser and a vacuum distillation unit; in the second step, temperature is raised to 30 to 40 DEG C; in the third step, 30-100 parts of aliphatic aldehydes are dripped; in the fourth step, 1-5 parts of anti-yellowing agent are added with 2-4 hours of heat insulation; and in the fifth step, decompression distillation is carried out for 4-6h at the temperature of 50-90 DEG C and the pressure of -0.3bar-0.95bar for removing the water. The third step and the fourth step can be exchanged. The invention solves the color changing problem in the production and storage processes of the products, adds a small amount of anti-yellowing material alkali metal and the borate solution of alkaline earth metal, greatly improves the storage conditions of the 'oxazolidine' type tanning agent, and prolongs the quality guaranteeing time; as the anti-yellowing material has low price, is easy for acquisition, and has small adding amount, the invention does not affect the application characteristics of the products and can be widely promoted.

The invention discloses a special primer-topcoat polyurea protection coating for an automobile chassis system and a preparation method. The coating is prepared from a component A and a component B in a volume ratio of 1:(2-4), wherein the component A comprises isocyanate, a poly-sulfide modified epoxy resin and a diluent; the component B comprises an aliphatic synthetic hindered amine polyurea resin, a coloring pigment, a filler, graphene pulp, organic zinc, a dispersing agent, an ultraviolet absorbent, an ultraviolet light stabilizer, an anti-settling agent, a leveling agent, a defoaming agent, extinction powder and a dissolvent. The invention further discloses a preparation method of the special primer-topcoat polyurea protection coating for the automobile chassis system. The thickness of a disposable coating membrane is greater than or equal to 80mu m, a coating membrane is rapid in drying speed and high in construction efficiency, a coated layer is good in adhesion to a substrate, good in impact resistance, free of color change in long-term outdoor exposure, very good in aging resistance, salt mist resistance and medium resistance, high in product solid content and good in environmental friendliness, and the method provided by the invention is simple in process, low in cost and applicable to industrial production.

The present invention provides a preparation method of stilbite carrier zinc series in organic antimicrobial agent. Said invented inorganic antibacterial agent is not limited by physical environment, has strong antibacterial action, good persistent availability, broad-spectrum antibacterial property and good compatibility for making other products. It can solve the product discoloration problem due to addition of antimicrobial agent, can raise the fineness of inorganic antimicrobial agent powder body, and can be uniformly distributed in the product, at the same time it can greatly reduce cost of inorganic antimicrobial agent.

The invention provides niclosamide ethanolamine salt wettable powder as well as a preparation method and application thereof. The wettable powder is prepared from niclosamide ethanolamine salt, a dispersing and wetting agent, a suspension aid and an anti-caking agent, wherein the dispersing and wetting agent is a compound mixture of fatty alcohol-polyoxyethylene ether and a non-ionic hydroxyl polyethylene oxide block copolymer, and the use amount of the dispersing and wetting agent accounts for 8-15% of the total weight of the raw materials. By using the compound mixture of the fatty alcohol-polyoxyethylene ether and the non-ionic hydroxyl polyethylene oxide block copolymer as the dispersing and wetting agent, a unique steric hindrance effect is provided in the system, so that the stability of the system is effectively kept and the problems of slow wetting, color change and flocculation are solved; the wettable powder is short in wetting time, uniform in dispersion effect, relatively small in particle size distribution, capable of rapidly reaching a target site, free from flocculation for a long time and free from particle aggregation, so that the wettable powder has long-lasting efficacy and applicable to hard water. The wettable powder disclosed by the invention is applicable to the preparation of molluscicidal products and is good in molluscicidal effect.

The invention relates to a pharmaceutical composition of omeprazole sodium, and a preparation method of the pharmaceutical composition. The pharmaceutical composition of omeprazole sodium comprises the following raw materials by weight: 40-60 parts of omeprazole sodium, 5-10 parts of sodium chloride, 0.4-0.6 part of disodium edetate, a proper amount of pH regulating agent and 2-3 parts of water for injection; and the amount of omeprazole sodium is calculated in omeprazole. The pharmaceutical composition of omeprazole sodium does not change color, does not generate a cloudy precipitate, and has good stability, and the insoluble particles from the pharmaceutical composition combined with the injection are not obviously increased along with the extension of storage time; and the pharmaceutical composition is of great help to the improvement of output rate of the product, reduction of market risk of the product and better application in clinical treatment.

The invention relates to the technical field of coatings, and particularly relates to a roller coating type simulated face brick coating and a construction method. The roller coating type simulated face brick coating is prepared by dispersing the following components in parts by weight in a dispersing kettle: 10-20 parts of ethylene glycol, 2-6 parts of dispersing agents, 1-2 parts of AMP 95, 50-100 parts of 2% hydroxy ethyl cellulose solutions, 30-50 parts of 10% inorganic gels, 1-2 parts of wetting agents, 3-9 parts of defoaming agents, 500-600 parts of natural rock flour, 50-100 parts of rigid polymer emulsions, 50-100 parts of elastic polymer emulsions, 5-10 parts of film forming auxiliary agents, 5-10 parts of hydrophobic modified alkali swelling thickening type thickening agents, 1-6 parts of hydrophobic modified alkali swelling associating type thickening agents, 1-2 parts of sterilizing agents and 110-240 parts of water. According to the invention, a coated film grain obtained after roller coating is more similar to that of an exterior wall tile.

The invention relates to the technical field of spinning and weaving, and in particular relates to a preparation method of fibers with antibacterial, odor-resisting and far infrared functions. The method comprises the following steps: preparing an antibacterial agent and mixing the antibacterial agent with a chemical fiber matrix slice; melting and extruding to prepare antibacterial master batches; melting the antibacterial master batches and chemical fibers and spinning to produce the fibers with the antibacterial, odor-resisting and far infrared functions. The antibacterial fibers provided by the invention have the advantages of stable process and very good spinnability, and have the odor-resisting and far infrared functions; an antibacterial rate on escherichia coli, staphylococcus aureus and candida albicans is greater than or equal to 99 percent; the fibers have an excellent water washing resisting property, and the antibacterial rate is still greater than 99 percent after being washed for 50 times; the fibers have no irritation on skin; a preparation process is pollution-free, and technologies are not increased; the cost is reduced, and the economic benefits are good.

The invention relates to a color-change-resistant anti-bacterial polyamide fiber, which is mainly prepared from polyamide and antibacterial masterbatch according to a weight ratio of 100:(1 to 10), wherein the antibacterial masterbatch is prepared from the following raw materials in parts by weight: 70 to 95 percent of long-carbon-chain nylon and 5 to 30 percent of silver carried ion antibacterialagents; the color-change-resistant anti-bacterial polyamide fiber also contains at least one kind of materials in dispersing agents, antioxidants and light stabilizing agents. The prepared color-change-resistant anti-bacterial polyamide fiber hardly generates color change in the processing and use process; the excellent color-change-resistant performance is realized; in addition, the anti-bacterial performance is stable and durable.

The invention discloses a canned pear preparing method and belongs to the technical field of canned food processing. The method includes the following technical steps that 1, by weight, 45-60 parts of fresh pears are cleaned, peeled, denucleated and cut into blocks; 2, 2-6 parts of dried honeysuckle, 1-3 parts of liquorice, 1-3 parts of schisandra chinensis, 1-3 parts of shaddock peels are taken, deionized water 10 times of the mixture in weight is added to the mixture, the mixture is continuously decocted for 25-40 minutes after being boiled and then filtered, and the filtered liquid is taken; 3, the preprocessed pears are placed into water at the temperature of 90 DEG C-100 DEG C for precooking for 1-3 minutes, then 0.5-1 part of color fixative is added, the mixture is boiled continuously for 0.5-1 minute, and the pear meat is fished out for cooling; 4, 1-4 parts of mixture of sugar and 60-8- parts of water are added to a cooking pot, and the mixture is cooled to the room temperature after being boiled; 5, canning is conducted, 6, sealing and sterilizing are conducted. The canned pear has the advantages that the canned pears have a certain heal care effect, are good in color and luster and can increase the appetite of eaters.

The invention provides a water-based glaze which comprises the following components in parts by weight: 5-25 parts of water-based resin, 0-1 part of dispersing agent, 0.2-0.5 part of defoaming agent, 0.2-0.4 part of wetting agent, 10-20 parts of cosolvent, 1-2 parts of pH regulator, 1-3 parts of thickener, 0.1-0.3 part of mildew preventive, 0-20 parts of filler, 5-20 parts of color paste and the balance of water. The yellowing-resistant water-based glaze has excellent wiping property and excellent yellowing resistance, and can keep no discoloration for a long time under illumination conditions. Thus, the furniture color of the wood products applied by the glaze can keep constant. The water-based glaze has the advantages of high coloration effect, high transparency, high layering sensation and moderate drying time, and is very convenient for on-site construction.

The invention relates to improved amino baking varnish inverse emulsion and a preparation method thereof. The inverse emulsion comprises a water phase system of nano-titanium dioxide, amino baking varnish emulsion, a composite emulsifier and an assistant emulsifier, wherein the composite emulsifier is the mixture of polyoxyethylene 20 sorbitan monostearate and sorbitan monooleate. The baking varnish prepared by the improved amino baking varnish inverse emulsion greatly reduces the volatilization of organic substances, has the efficacy of degrading harmful gases such as formaldehyde, benzene compounds and the like and can release negative air ions of more than 800 / cm<3> to play the functions of purifying and cleaning air. In addition, the invention also relates to a method for preparing baking varnish coatings by using the improved amino baking varnish inverse emulsion.

The invention relates to a torasemide pharmaceutical composition with stabilization and safety for injection and its preparation method, especially relates to the torasemide pharmaceutical composition used for patients with requirement of rapid diuresis or congestive cardiac failure without oral diuresis, cirrhosis ascites, oedema caused by kidney diseases, the torasemide pharmaceutical composition is an injection preferably. The pharmaceutical composition is composed of active component torasemide, ethanol and polysorbate 80. The torasemide pharmaceutical composition for injection possesses stable pH value and low impurity content, and is capable of effectively raising the treatment effect of the products, minimizing the side reaction, raising the yield, reducing the cost and creating higher benefit.

The present invention relates to a cane beverage and its preparation method. It is characterized by that the edible cane segment portion is placed in the mineral water, then the rock candy, honey and dried osmanthus flower are added, then they are decocted so as to obtain decoction liquor, i.e. the invented beverage with rice nutrients, 20-odd amino acids and vitamins necessary for human body. Said invention provides its preparation method and concrete steps also.

The invention relates to the technical field of photovoltaic glass, and provides glass ink and high-reflection backboard glass. The glass printing ink provided by the invention is composed of powder and an oil agent, wherein the powder comprises glass powder, titanium dioxide and an inorganic reducing agent, and the weight percentage of the inorganic reducing agent in the glass printing ink is 2%-5%. The glass ink is used for forming a high-reflection glaze layer of the high-reflection back plate glass, titanium dioxide in the high-reflection glaze layer is effectively prevented from being oxidized during PID testing by adding an inorganic reducing agent with a specific content into powder; in addition, the problem that the glaze layer of the high-reflection back plate glass changes colorduring PID testing is solved by means of the rutile type titanium dioxide.

The invention aims at providing a lansoprazole lyophilized medicine composition used for injection. According to the invention, lansoprazole is dissolved in a solution of sodium hydroxide and mannitol; the obtained solution is lyophilized, such that the medicine composition is obtained. In the medicine composition, a weight ratio of lansoprazole:mannitol:sodium hydroxide is 2-8.5:2-8.5:1, and preferably 6:6:1. The medicine composition is advantaged in simple formula and small amount of auxiliary materials. Therefore, side effects caused by excess dosages of auxiliary materials are overcome; a lyophilization time is greatly reduced, such that unnecessary energy consumption is saved. Therefore, the lansoprazole medicine composition has certain competitive strength in markets.

The invention discloses a method for preparing yellow peach cans, and belongs to the technical field of can food processing. The method includes the following steps that by weight, 45-60 parts of fresh yellow peaches are cleanly washed, peeled, subjected to kernel removing, diced, soaked with a color retention agent for 12-18 min and cleanly washed with fresh water; B, 2-6 parts of honeysuckles, 1-3 parts of hawthorns and 1-3 parts of shaddock peels are taken, deionized water with the weight 8-10 times the weight of the mixture is added into the mixture, the obtained mixture is boiled and then continuously boiled for 25-40 min, filtering is carried out, and filter liquor is taken; C, 5-12 parts of a sugar mixture and 65-75 parts of water are added into a sauce pan, boiled and then cooled to the normal temperature; D, the yellow peaches pre-boiled in the step A and 2-6 parts of the plant extracting solution prepared in the step B are added into the sweet water obtained in the step C, and the mixture is stirred to be even and then loaded into disinfected tins; E, sealing and sterilizing are carried out. The yellow peach cans have the advantages of being crisp and tasty in mouthfeel and moderate in sourness and sweetness, and having the certain health caring effect.