1350 results about "Carboxymethyl starch" patented technology

A dispersing table of amlodipine benzosulfonate for treating hypertension is proportionally prepared from amlodipine benzosulfonate, microcrystalline cellulose, anhydrous lactose, carboxymethyl starch sodium, micropowdered silica gel, and magnesium stearate.

The invention discloses a thickening agent for printing, which comprises the following components in parts by weight: 10-15 parts of etherified guar gum, 60-70 parts of sodium alginate, 30-50 parts of sodium carboxymethylcellulose, 20-30 parts of carboxymethyl starch, 12-20 parts of polyacrylic acid thickening agent blending stock, 10-20 parts of bentonites and 200-400 parts of water. The preparation method of the thickening agent comprises the following steps of: adding sodium alginate and sodium carboxymethylcellulose powder to water, and mechanically stirring till a solution is transparent and clear without a block; then adding the etherified guar gum, the carboxymethyl starch, the polyacrylic acid thickening agent blending stock and the bentonite, uniformly stirring, and standing to bulk the mixed solution so as to obtain the printing thickening agent. In the preparation process, with the bulking of the paste material, the sodium carboxymethylcellulose forms three-dimensional net structure among macromolecules of paste material or at the joints of molecular chain segments because of intermolecular attraction; moreover, besides a macromolecular chain hydration layer, a large amount of water is wrapped to form a gel state, so as to generate very high structural viscocity; therefore, a printing fabric has a clear outline.

The invention provides a compound microcapsule wall material and an application thereof in essence microcapsules for cigarettes. The compound microcapsule wall material is mixed by the following components in percentage by weight: 30.0-50.0% of starch octenylsuccinate, 15.0-30.0% of maltodextrin, 10.0-30.0% of sodium carboxymethyl starch, 10.0-30.0% of soy isolate protein, 1.0-5.0% of Arabic gum, 1.0-5.0% of sodium caseinate, 1.0-5.0% of saccharose, 0.1-0.5% of sodium alginate, 0.1-0.5% of xanthan gum and 0.1-0.5% of pullulan. The compound microcapsule wall material provided by the invention is good in solubleness, good in emulsibility, good in film-forming property, low in solution viscosity, and economical and practical benefits. Higher embedding rate can be obtained by using the wall material to prepare the essence microcapsules for cigarettes, and the product is good in sensory performance, smooth and uniform in particle, compact in capsule wall, lower in moisture content, good in dispersibility and stronger in practicality.

The invention discloses a flotation method of a brass ore-containing complex lead-zinc sulphide ore, which comprises the steps of: adjusting the pH value to be 10-11 in the process of ore grinding; adding ore pulp electric potential regulating agent-sodium pyrosulfite to adjust the electric potential of the ore pulp to be at 220-260mV (relative to hydrogen standard potential); adding zinc sulfate, ethoxy-dithioformicacid ethyl formate and ethyl thio carbamate grinding ore; performing one roughing, one scavenging and two selecting to enrich copper-lead mineral by means of mixing and floating and to form into copper-lead mixed concentrate; performing reagent desorption to the copper-lead mixed concentrate by adding active carbon; adding potassium peroxydisulfate and carboxymethyl starch to restrain lead-containing mineral in the copper-lead mixed concentrate such as galena and the like; performing one roughing, one scavenging and three selecting to obtain copper concentrate; adjusting the pH value of tailings after recovering copper mineral by floating the copper-lead mixed concentrate to be 9.0; adding sodium pyrosulfite, ethyl thio carbamate and butyl ether alcohol; and performing one roughing, one scavenging and two selecting to obtain lead concentrate. The method guarantees the grade of the copper and the lead concentrate, and reduces the environmental pollution.

The invention discloses a water-soluble mineral fertilizer, belongs to the field of crop fertilizers, and particularly relates to a water-soluble inorganic mineral fertilizer. The water-soluble mineral fertilizer is composed of an A component, a B component and a C component, wherein the A component is composed of potash feldspar, powdered rock phosphate, medical stones, kieselguhr, bentonite and a water-soluble hydrophilic grafting agent; the B component is composed of urea, biological nitrogen-fixing bacteria, a urease inhibitor, a nitrification inhibitor and carboxymethyl starch, and the C component is composed of polyaspartic acid, polyyvinylpyrrolidone and casein. A preparation method of the water-soluble mineral fertilizer takes an inorganic mineral powder body as a main raw material, the water-soluble hydrophilic grafting agent is utilized, and the inorganic mineral powder body is dissolved in the water to form a stability colloid. The water-soluble mineral fertilizer provided by the invention contains a large number of nitrogen phosphorus and potassium elements and also contains different medium/trace elements and rare earth elements required by the growth of a plant, a soil structure is improved, the growth of the plant is improved, the product quality of a crop is improved, a raw material is easily available, the price is low, the raw material is non-pollution, the production technology is simple, and a market prospect is wide.

The invention discloses a mulberry compound fertilizer, which is prepared from the following raw materials in parts by weight: 20-23 parts of urea, 24-28 parts of calcium superphosphate, 12-15 parts of humic acid, 13-16 parts of kieselguhr, 8-10 parts of tea shell powder, 3-4 parts of azedarach powder, 2-3 parts of garlic powder, 4-5 parts of carboxymethyl starch, 4-5 parts of calcium bicarbonate, 3-4 parts of ammonium molybdate, 5-6 parts of ferrous sulfate, 2-3 parts of copper sulfate, 1-2 parts of guar gum, 1-2 parts of zirconium oxide, 1-2 parts of methylcellulose, 3-4 parts of EM (effective microorganism) fungicide, 4-6 parts of film coating agent, and proper water. The fertilizer disclosed by the invention has the effects of inorganic and organic fertilizers; the nutrient elements required in the growth and development processes of mulberry can be reasonably configured, the growth requirements of the mulberry are met; the yield and the quality of the mulberry are improved, and the prepared fertilizer is not only quick to take effect, but also can slowly release the elements in the fertilizer; the property of the soil can be effectively improved by the added fungicide, and the utilization rate of the fertilizer is increased.

The invention discloses lenalidomide composition tablets and a preparation method thereof. The tablets comprise components in percentage by weight as follows: 10%-18% of lenalidomide crystals, 28%-40% of lactose, 28%-40% of microcrystalline cellulose, 1%-5% of konjac glucomannan, 10%-15% of beta-cyclodextrin, 5%-10% of sodium carboxymethyl starch, 0.5%-1.5% of sodium stearyl fumarate and 0.5%-1.5% of powdered cellulose. The preparation technology of the lenalidomide composition tablets is stable, simple and easy to operate, technological parameters are reliable, and the production cycle is shorter; experimental research shows that the lenalidomide raw material is stable in crystal form, higher in purity and capable of meeting the quality requirement of final products; the synthesis technology is concise, stable, feasible and applicable to mass production; the quality is controllable, the stability is better, and the lenalidomide raw material is unchanged under conditions of affecting factors such as the high temperature, high humidity and 10 days of illumination and is stable after being stored for 6 months under the acceleration condition.

A printing thickener has composition (by wt.%) as carboxy methylamylose of 20-74.5%, sodium alginate of 20-70% and mineral oil of 0.5-25%. Its preparing process includes selecting materials a sper preparation ratio; grinding raw materials to be 20-50 millimcron; placing them into mixer for agitating, blending and spraying light lube, agitating continuously till raw materials being totally uniformed for obtaining product of printing thickener.

The invention relates to a coating component for heat transfer paper, the heat transfer paper and a manufacturing method of the heat transfer paper. The coating component is obtained by reacting and gelatinizing starch, cellulose and polyvinyl alcohol as main resin or base materials and hydrogen peroxide and urea as a molecular structure regulator at high temperature, and then, adding high-densification-degree carboxymethyl starch sodium (CMS) as a viscosity modifier. The coating component is aqueous colloid resin with viscosity of 2500-6500cp, preferably, 3000-6000cp and further preferably, 4000-5500cp. The coating component is used for the heat transfer paper, and has a good effect in attaching, overlapping, transferring ink particles.

The ecological road dust inhibitor is solution comprising carboxymethyl starch 0.10-3.00 %, sodium silicate 0.01-2.50 % and propanetriol 0.01-2.00 %. Before being used, the three components are dissolved in water through stirring. The present invention has the combined effects of coagulation, moisture absorption and water maintenance to produce dust inhibiting. It has no toxic side effect and corrosion and can be degraded naturally after its dust inhibiting period, can improve water and soil environment and produce no pollution. It is suitable for inhibiting dust in mine road as well as city road, square, building site, etc.

A dispersing tablet of adefovirdipivoxil ester is prepared from adefovirdipivoxil ester, pregelatinized starch, microcrystalline fibres, lactose, carboxymethyl starch sodium, sodium laurylsulfate, and magnesium stearate through respective sieving, proportionally mixing and die pressing.

This invention is a productive method of printing paste, it is a complex starch its viscosity is adjustable. It contains: Carboxymethylated starch, and inter-connected carboxymethylated starch, and complex them to produce it. This complex starch is a complex denaturation starch use to reactive dyes, its adjustable viscosity range may be expanded, be useful to printing and starching.

The invention discloses carboxymethyl starch ether and a production method, and the product is made from starch, sodium hydroxide, alcohol, water, cross-linking agent, catalyst and industrial salt through cross linking, alkalization, etherification and basification. The product quality of the invention is simple, the production method is simple, and the operation is easy. The product is detected under 25 DEG C, the viscosity index of 2 percent of aqueous solution can reach above 30000 mPas, the substitution degree (DS) is larger than or equal to 0.2, the pH value is 6.5 to 9, the drying loss ratio is less than or equal to 12 percent, chloride (calculated according to Cl) is less than or equal to 0.002 percent, ferro is less than or equal to 0.03 percent, and arsenic (As) is less than or equal to 0.002 percent.

The invention provides a casting sand mixing auxiliary material. The casting sand mixing auxiliary material is prepared by the following steps of: adding the following raw materials into a reaction kettle to stir and mix and heating the mixed materials to 100 DEG C for 1.5 hours; and then pouring the mixed materials in the reaction kettle out and processing the mixed materials into powder, namely the casting sand mixing auxiliary material. The raw materials comprises the following components in part by weight: 200 parts of modified starch, 1 part of malt sugar, 1 part of glycerol, 4 parts of sodium hydroxide, 8 parts of woodmeal, 10 parts of cast pulverized coal, 4 parts of ferric oxide, 2 parts of carboxymethyl starch and 10 parts of water. The modified starch is prepared by the following steps of: adding one or more vegetable flour into a starch reaction kettle and heating the vegetable flour to 140 DEG C for 1.5 hours; pouring the materials in the starch reaction kettle out and drying the materials through spinning; performing water-based acidizing treatment on the materials; drying and pulverizing the materials into powder to obtain the modified starch. The casting sand mixing auxiliary material has the advantages of good casting effect, no toxicity, no harm and no pollution.

The invention discloses an organic polymer heavy metal chelating flocculant as well as a preparation method and an application thereof. The organic polymer heavy metal chelating flocculant is prepared from the following raw materials in parts by weight: 100 parts of carboxymethyl starch, 5-20 parts of a crosslinking agent, 0.05-0.5 part of an initiator, 5-20 parts of acrylamide and 28-60 parts of carbon disulfide, wherein the crosslinking agent is adipic acid, phosphorus oxychloride or sodium trimetaphosphate. The organic polymer heavy metal chelating flocculant has the efficacies of both excellent heavy metal chelating precipitation and flocculation, has the advantages of rapidness in reaction speed, ideal effect of removing heavy metal ions, high treatment efficiency and the like, is low in dosage and cost and is capable of economically and efficiently treating sewage containing the heavy metal ions.

A staltic dressing for first aid is prepared from the puff-ball spore powder or puff-ball powder, the pharmacologically acceptable excipient chosen from methylcellulose and its salt, carboxymethyl cellulose and its salt, carboxymethyl starch and its salt, polyethanediol, filming agent, polyvinyl alcohol, polyvinyl pyrrolidone and gelatin, and the carrier including film, gauze, bandage, or adhesive belt.

The invention discloses a method for preparing carboxymethyl modified starch, which uses non-crystallization granule state starch as a basis and a microwave method as a core, and combines a part of processes of a drying method and a solvent method. The method comprises the following steps : (1) mixing certain amount of pure water with 95 percent of ethanol; adding the starch at a stirring state, keeping stirring and keeping a reaction container to be obturated, maintaining the temperature of a reaction system, and stirring to react for several minutes; (2) crushing a filter cake at the stirring state, spraying the prepared sodium hydroxide solution to stir at 25 DEG C and react for several minutes, again spraying a sodium chloroacetate ethanol liquid after the reaction is finished, stirring and evenly mixing; (3) evenly spreading a reaction mixture and placing the reaction mixture in a microwave oven to irradiate for several minutes; (4) washing the reaction product after being irradiated by microwave with the ethanol and centrifuging; and (5) drying, pulverizing and screening to prepare the carboxymethyl modified starch. The carboxymethyl starch with high substitution degree prepared through the method has the advantages of high reaction efficiency, short reaction period and low reaction energy consumption.

This invention relates to an adhesive agent used in iron ore pellets and its preparation method including:grinding and mixing carboxymethyl sodium starch: 20-40%, PAA: 5-10%, PP: 0-5%, sodium humate: 0-5%, water-proof putty powder: 20-40%, Kaolin: 3-5%, ferrisulfas: 5-10% and soda: 5-10%, in which, the content of fine grinded particles smaller or equal to 0.074mm is greater or equal to 80%, the molecular weight of the PAA is over 3 million.

The invention relates to a process for preparing drilling fluid, in particular to a process for preparing the drilling fluid for preventing polycrystalline diamond compact (PDC) bit balling. The process comprises a construction process and a dosage formula of treating agents and is characterized in that: according to the dosage formula, the treating agents are prepared by mixing clear water polymer original slurry, poly anionic cellulose (PAC), calcium carbonate (QS-4), carboxymethyl starch (CMS), sulfonated phenolic resin(SMP-2), water dispersible cation emulsified asphalt powder (SFT-1), sodium chloride(NaCL) and sodium formate (WT-1) in a mass ratio of 1,000:2-3:30-40:20-30:2-3:1.5-2:50-100:20; and the construction process comprises the following steps of: according to a circulation circle, uniformly mixing a coating agent PAC, a filtrate reducer CMS, a salt and high-temperature resistant filtrate reducer SMP-2 and an anti-sloughing lubricant SFT-1 for 12h at first; adding QA-4, NaCL, WT-1 into the mixture and uniformly mixing the mixture; and regulating the mixture to have a density Rho of 1.06 to 1.10g/cm<3>, a funnel viscosity T of 38 to 45s and an API water loss FL of 4 to 6ml. The process has the advantages of effectively preventing the balling of a sticking bit and a PDC bit at a lower curved section, reducing a frictional resistance and a torque, eliminating a sticking phenomenon, improving a mechanical drilling rate and ensuring downhole safety.

The present invention relates to a soil repairing agent and a preparation method thereof, and belongs to the field of agriculture. The technical problem solved by the present invention is to provide a soil repairing agent and a preparation method thereof. The soil repairing agent of the present invention comprises, by weight, 5-20 parts of trithiocyanuric acid, 10-30 parts of a phosphate, 15-30 parts of a carbonate, 45-60 parts of sepiolite, and 2-5 parts of an adhesive, wherein the phosphate is preferably a calcium-magnesium-phosphorus fertilizer and/or phosphorus ore powder, the carbonate is preferably calcium carbonate and/or magnesium carbonate, and the adhesive is preferably carboxymethyl starch, dextrin or diatomite. Further the invention discloses the preparation method of the repairing agent. According to the present invention, the soil repairing agent provides good repairing effects on the heavy metal cadmium-polluted soil, particularly the contents of heavy metals such as lead, cadmium and the like in the soil can be substantially reduced, various components are harmless to human body and environments, and the soil repairing agent has the characteristic of green environmental protection.