58 results about "Carboxymethyl starch" patented technology

The invention relates to absorbable adhesive styptic powder and a preparation method thereof, and the absorbable adhesive styptic powder is characterized in that the absorbable adhesive styptic powder is formed by cross-linking aldehyde polysaccharide and a polyamino compound through Schiff base reaction, the raw materials are selected from at least one of glucan, sodium carboxymethyl cellulose, sodium hyaluronate, chitosan and carboxymethyl starch; the polyamino compound is selected from at least one of polylysine, polypeptide, bovine serum albumin and polyamine; the styptic powder is porous particles with the particle size of 10-1000 meshes, is cured into gel within 10 seconds after being in contact with body fluid, and is completely degraded within 15-60 days. According to the scheme, the styptic powder has the advantages of rapid wet adhesion, controllable degradation and excellent processability, and is an urgent clinical demand.

The invention relates to the technical field of packaging materials, in particular to a preparation method of a food heat-preservation environment-friendly quick-transportation packaging bag. The prepared quick-transportation packaging bag sequentially comprises an outer film layer, a heat preservation layer, an aluminum foil layer and an inner film layer from outside to inside. The outer film layer and the inner film layer are made of a blend of polylactic acid, carboxymethyl starch and glycerol, the thermal insulation layer is formed by compounding a phase change capsule, silicon dioxide aerogel and a polyurethane adhesive on an aluminum foil layer, the phase change capsule takes a mixture of n-octadecane and paraffin as a core material and takes Arabic gum as a wall material, and the outer surface of the wall material is coated with a stearic acid film layer; an antibacterial coating containing microwave modified beewax, a functional additive and 3-aminopropyltriethoxysilane is sprayed on the inner surface of the inner film layer; the prepared quick-transportation packaging bag has excellent heat preservation performance and antibacterial performance, also has good degradability, is environmentally friendly and can meet multiple requirements of modern food logistics for packaging.

The invention provides a natural polymer shear strength improving agent for temperature-resistant tackifying water-based drilling fluid as well as a preparation method and application of the natural polymer shear strength improving agent. The shear strength improving agent is prepared from the following raw materials in parts by mass: 1 to 7 parts of carboxymethyl starch, 1 to 5 parts of 2-acrylamido-2-methylpropanesulfonic acid, 1 to 5 parts of dimethyl diallyl ammonium chloride, 1 to 5 parts of N-vinyl pyrrolidone, 1 to 5 parts of acrylamide, 0.01 to 0.05 part of an initiator I, 0.01 to 0.05 part of an initiator II, 0.01 to 0.07 part of a cross-linking agent epoxy chloropropane, 50 to 70 parts of water and 150 to 220 parts of absolute ethyl alcohol. According to the shear strength improving agent, natural high polymer materials are used, a polymer net structure is formed through polymerization reaction, the cross-linking agent is used for promoting the net structure to be tighter for tackifying, and the shear strength improving agent has better thermal stability, dynamic shear force, flocculation capacity and suspension stability while the cost and the environmental load are reduced.

To provide a novel, non-foaming, tablet-type skin cleanser. [Solution] A tablet-type skin cleansing agent characterized by containing (A) to (C). (A) Bar-shaped crystalline cellulose (B) Anionic surfactants (C) One or more of the following: acrylates crosspolymer-2-Na, carboxymethyl starch sodium.

This invention relates to a rapid-setting high-strength concrete and its preparation method. The rapid-setting high-strength concrete comprises the following raw materials in parts by weight: 100-200 parts cement, 80-100 parts coarse aggregate, 40-60 parts fine aggregate, 10-20 parts rubber powder, 20-30 parts modified straw-based carbon powder, 0.3-0.5 parts coupling agent, and 0.6-0.8 parts water-reducing agent. The modified straw-based carbon powder is obtained by first adding straw powder to an activation solution containing aluminum sulfate, carboxymethyl starch, and triethanolamine, followed by activation, ball milling, and freeze-drying to obtain a precursor. The precursor is then mixed with flake aluminum powder and heated under an inert atmosphere to obtain the final product. The mass fraction of aluminum sulfate is 5-10%, the mass fraction of carboxymethyl starch is 5-10%, and the mass fraction of triethanolamine is 3-5%. This invention improves the rapid setting effect, compressive strength, flexural strength, and crack resistance of concrete by incorporating modified straw-based carbon powder into the concrete components. This is of great significance for improving the overall performance of concrete and developing infrastructure construction.

The application provides a method for preparing composite silicon fertilizer from silicon-rich residue, which is produced in the production process of phosphogypsum; the silicon-rich residue is first washed with water to remove soluble fluorine; then alkaline components such as carbide slag, calcium hydroxide and calcium oxide are added to fix fluorine; after treatment, the silicon-rich residue is mixed with water glass, polyacrylamide, superabsorbent resin, carboxymethyl starch, sodium carboxymethyl cellulose and other adhesives in a certain proportion, and then granulated to prepare granular composite silicon fertilizer; the effective silicon content in the composite silicon fertilizer is more than 25%, the effective phosphorus content is more than 0.2%, the potassium content is more than 0.3% and the composite silicon fertilizer does not contain soluble fluorine; the method realizes the resource utilization of the silicon-rich residue separated from the phosphogypsum, improves the economy of the overall phosphogypsum purification process and is beneficial to the popularization of the phosphogypsum purification process.

The application provides an oral instant tablet containing Morinda citrifolia oil, which comprises the following components in parts by mass: Morinda citrifolia oil microemulsion 10 parts, carrier 30-40 parts, coating material 2-4 parts, and disintegrating agent 2-5 parts. The coating material is selected from Aeroperl and / or Sylysia; the carrier is selected from one or more of microcrystalline cellulose MCC PH101, microcrystalline cellulose MCC PH102, starch and lactose; and the disintegrating agent is selected from carboxymethyl starch sodium and / or low-substituted hydroxypropyl cellulose. The microemulsification technology is used to wrap the essential oil to reduce the volatilization of the essential oil; the microemulsion is made into a tablet to cover the acidity, increase the compliance of the public, and realize the form change of the Morinda citrifolia oil microemulsion from liquid to solid. The application studies and prepares the oral instant tablet containing Morinda citrifolia oil, which not only solves the inherent defects of traditional dosage forms, but also provides a more convenient taking mode compared with common tablets.

The invention provides a preparation method of low-sodium carboxymethyl starch based on pregelatinization-puffing-etherification triple modification, and relates to the technical field of starch deep processing. The starch is used as a raw material, the low-sodium carboxymethyl starch is prepared through pre-gelatinization, preliminary alkalization, low-temperature high-pressure puffing, further alkalization, etherification, neutralization and purification in sequence, the product is high in substitution degree, uniform in distribution, high in purity, good in cold water solubility, high in transparency and stable in viscosity, and the application requirements in medicine and food are met; the application field of the carboxymethyl starch is expanded.

A hydrate decomposition inhibiting composition, a coupling enhanced solid hydrate, and a method for improving the solid hydrate storage and transportation stability relating to the technical field of natural gas safety storage and transportation are provided. The hydrate decomposition inhibiting composition contains a carboxymethyl starch salt and an alkyl glycoside surfactant. The composition improves the interface stability of the hydrate phase boundary and the mechanical stability of the hydrate and enhance the strength of the hydrate crystal interface since the colloidal solution formed by dispersing the sodium carboxymethyl starch and the alkyl glycoside surfactant in water can coat the surface of the hydrate to form a protective layer, thereby improving the structural stability of the hydrate. Therefore, the composition inhibits the decomposition of the hydrate, reduces the decomposition rate of the hydrate, and can further reduce the decomposition amount of the hydrate.

The invention discloses a carboxymethyl starch hydrogel adsorbent capable of efficiently adsorbing methylene blue and a preparation method of the carboxymethyl starch hydrogel adsorbent. The preparation method comprises the following steps: firstly, gelatinizing cassava starch serving as a raw material in an alkaline urea solution at a low temperature, crosslinking by utilizing epoxy chloropropane, and performing freeze thawing treatment to construct a stable three-dimensional network hydrogel skeleton; then, in an ethanol water solution system, carrying out alkalization and etherification reaction on the gel skeleton, and introducing a carboxymethyl group in situ; according to the method, an innovative strategy of first gelation and then carboxymethylation is adopted, through the space confinement effect of a cross-linked network, the technical problem that high-substitution-degree carboxymethyl starch is easy to dissolve is successfully solved, the substitution degree of the prepared adsorbent reaches up to 1.43, and the prepared adsorbent is insoluble in water and has excellent swelling resistance and mechanical strength. The adsorbent is high in methylene blue adsorption capacity, high in adsorption rate and stable in performance within the pH range of 4-11. The method is simple in process, low in cost and easy for large-scale production, and has a wide application prospect in the field of water treatment.

The application belongs to the technical field of polymer composites, and particularly relates to a shuttle-shaped nanocrystal compatibilized modified carboxymethyl starch / polyvinyl alcohol composite material and a preparation method and application thereof. The shuttle-shaped nanocrystal compatibilized modified carboxymethyl starch / polyvinyl alcohol composite material is prepared from the following raw materials: carboxymethyl starch, polyvinyl alcohol and shuttle-shaped nanocrystal. The application further provides a preparation method of the carboxymethyl starch / polyvinyl alcohol composite material. The prepared composite material has excellent compatibility, mechanical strength, toughness, ultraviolet blocking, high-energy blue light blocking, water vapor blocking, antibacterial, ammonia gas response color changing and other performances, and can maintain relatively high visible light transparency. The composite material can be used as an intelligent indicating material and effectively indicates the freshness change of shrimp and other meat food during storage. The composite material preparation process is simple, and has wide application value in the fields of food packaging, intelligent materials, ammonia gas detection, environmental monitoring and safety.

The invention discloses a preparation method for prolonging the validity period of erythromycin ethylsuccinate orally disintegrating tablets. The preparation method comprises the following steps: sequentially putting low-substituted hydroxypropyl cellulose, microcrystalline cellulose, aspartame, carboxymethyl starch sodium and polyvinylpolypyrrolidone into a wet granulation mixer, covering with a cover, starting equipment, carrying out low-speed dry mixing for 3 minutes, slowly adding low-concentration hydroxypropyl methylcellulose slurry from a feed port of a pot cover, and carrying out low-speed wet mixing for 3 minutes; stopping the machine, opening the cover, scraping powder on the inner surface of the pot cover and the periphery of the inner side of the pot by using a clean scraper, adding erythromycin ethylsuccinate raw materials, covering the cover, starting equipment, carrying out low-speed wet mixing for 3 minutes, and carrying out high-speed wet mixing for 2 minutes. By improving the medicine production process, the stability and durability of the medicine are improved, so that the validity period of the medicine is prolonged, and meanwhile, the effectiveness and safety of the medicine can still be kept within the prolonged validity period.

The invention relates to the technical field of nutritional supplement preparations for pets, in particular to a high-activity non-denatured II-type collagen pet joint dispersible tablet and a preparation method thereof. According to the technical scheme, the soft capsule is prepared from the following raw materials in percentage by weight: 4.0%-7.0% of non-modified II type collagen, 4.0%-6.0% of sodium chondroitin sulfate, 4.0%-6.0% of green lip mussel powder, 0.5%-1.5% of sodium hyaluronate, 30%-40% of microcrystalline cellulose, 12%-18% of sodium carboxymethyl starch, 15%-22% of sweet potato starch, 4.0%-6.0% of polyvinylpolypyrrolidone, 6.0%-10.0% of enzymolysis chicken liver powder, 2.0%-4.0% of yeast extract, 1.5%-3.5% of lactose goat milk powder and 0.3%-0.7% of magnesium stearate. A core active component structure is protected by virtue of nano embedding and a whole-course low-temperature process, and a dual joint maintenance path of immunoregulation and nutrition supplement is constructed.

The invention relates to a preparation method of a wheat suspended seed coating agent suitable for an arid region, which is characterized by comprising the following steps: adding a dispersing agent and a defoaming agent into water, adding powder, and stirring for 15-40 minutes under the condition that the rotating speed is 800-3000r / min to obtain a suspension; the preparation method comprises the following steps: adding potassium fulvate and carboxymethyl starch into water, and dissolving to obtain a dissolved solution; adding trichoderma harzianum to obtain a suspension containing the trichoderma harzianum or a dissolving solution containing the trichoderma harzianum; and adding the dissolving solution and / or the dissolving solution containing the trichoderma harzianum into the dissolving solution containing the trichoderma harzianum to obtain the wheat suspended seed coating. The wheat seed coating agent prepared by the invention is applied to wheat, and the stress resistance of the wheat can be obviously improved.

The present invention aims to provide an intraoral adhesive film that combines adhesive properties and slow dissolution properties in a well-balanced manner. [Solution] The present invention provides an intraoral adhesive film containing (A) ιcarrageenan and (B) κcarrageenan. Preferably the film further contains (C) a water-soluble polymer such as tamarind gum, gum arabic, karaya gum, xanthan gum, gellan gum, tragacanth gum, guar gum, tara gum, locust bean gum, pullulan, gelatin, casein, pectin, agar, glucomannan, galactomannan, starch, carboxymethyl starch, dextrin, alginic acid, alginic acid ester, chitin, chitosan, carboxymethylcellulose, λcarrageenan, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, methylcellulose, and ethylcellulose.

The invention discloses ionic cross-linked starch hemostatic powder and a preparation method and application thereof.The preparation method includes the steps that carboxymethyl starch with the substitution degree not smaller than 0.3 is dissolved in deionized water to be continuously stirred, a metal ion solution is quantitatively and dropwise added into the solution to obtain floccules, the floccules are centrifuged, washed and freeze-dried, and the ionic cross-linked starch hemostatic powder is obtained; the ionic cross-linked starch hemostatic powder is prepared. The preparation process is mild in reaction condition, a chemical cross-linking agent with poor biological safety is not needed, the process is simple and environment-friendly, and large-scale production is easy to realize.

The metallurgical energy-saving composite modified pellet comprises the following raw materials by weight: dolomite powder 35-40 parts, steel slag powder 15-20 parts, sodium carboxymethyl starch 4-8 parts, cellulose ether 2-4 parts, polyacrylamide 3-5 parts and desulfurization ash 3-5 parts. The metallurgical energy-saving composite modified pellet adopts dolomite powder, steel slag powder, carboxymethyl starch and other raw materials, and simultaneously adds modified silicon carbide and bentonite agent to adjust and optimize, realizes coordinated improvement of the strength and desulfurization efficiency of the product through the mutual coordination of the raw materials, and has remarkable effects of corrosion resistance, moisture resistance and stability of the modified pellet.

The purpose of the present invention is to provide an intraoral adhesive film which has a good balance of adhesive properties and sustained-release properties. Specifically, the present invention provides an intraoral adhesive film containing (A) ι carrageenan and (B) κ carrageenan. It is preferable that the film further contain (C) a water soluble polymer such as tamarind gum, gum arabic, karaya gum, xanthan gum, gellan gum, tragacanth gum, guar gum, tara gum, locust bean gum, pullulan, gelatin, casein, pectin, agar, glucomannan, galactomannan, starch, carboxymethyl starch, dextrin, alginic acid, alginic acid ester, chitin, chitosan, carboxymethyl cellulose, λ carrageenan, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, methyl cellulose, or ethyl cellulose.

The invention relates to the technical field of textile printing and dyeing, in particular to a method for preparing digital printing paste from modified straw cellulose. The modified straw cellulose is used as a core, carboxymethyl cellulose, sodium sulfate, an auxiliary agent S60, hydrophobic filler modified carboxymethyl starch, a complexing agent sodium hexametaphosphate and a biological inhibitor BR are compounded, the formula and the preparation process are optimized, the raw material cost is remarkably reduced by 30% or above, and meanwhile the water holding property, rheological property and dye fixation effect of the paste are improved. The obtained paste is bright in color, soft in hand feeling, clear in outline and high in color fastness, and is particularly suitable for deep color digital printing of cotton fabrics. The method disclosed by the invention is simple and easy to implement, mild in condition and easy for large-scale production, and meets the requirements of the market on the efficient and environment-friendly digital printing paste.

The invention relates to the technical field of pharmaceutical preparations, in particular to a methylprednisolone pulse micro-tablet and a preparation method thereof. The methylprednisolone pulse microtablet comprises a quick release tablet core and a coating layer, the quick-release tablet core comprises methylprednisolone, a filler, an antistatic agent A, an antistatic agent B, an adhesive and a lubricant; the coating layer comprises a coating material and a plasticizer; wherein the antistatic agent A is selected from at least one of a combination of organic acid and bicarbonate or ammonium carbonate; the antistatic agent B is selected from at least one of polyoxyethylene, carbomer, high-expansion type pregelatinized starch, carboxymethyl starch sodium, low-substituted hydroxypropyl cellulose, croscarmellose sodium and crospovidone. The antistatic agent A and the antistatic agent B have a synergistic effect, so that the electrostatic phenomenon can be effectively reduced, and particle adhesion and microchip agglomeration are avoided.

This invention discloses a water-blocking and profile control agent formulation and its preparation process, belonging to the technical field of water-blocking and profile control agents. The formulation comprises the following components in parts by weight: 40-80 parts modified carboxymethyl starch, 50-120 parts N-hydroxymethyl methacrylamide, 80-150 parts methyl methacrylate, 0.5-2.5 parts initiator, and 1-5 parts stabilizer. The modified carboxymethyl starch undergoes a multi-step reaction to introduce hydroxyl groups, double bonds, quaternary ammonium salt cations, and sulfonate groups. The double bonds enable the modified carboxymethyl starch to undergo polymerization. The quaternary ammonium salt cations and sulfonate groups improve the water absorption ratio and swelling performance of the water-blocking and profile control agent, and also achieve physical water-blocking and profile control through electrostatic and hydrogen bonding interactions. This invention utilizes covalent cross-linking, non-covalent interactions, and component synergistic effects to comprehensively improve the water-blocking and profile control agent in terms of temperature resistance, salt resistance, plugging strength, and stability, while also considering selective plugging of the aqueous phase and low interference with the oil phase pathway, meeting the development needs of oil and gas fields with complex reservoirs.

The application relates to the technical field of 3D printing polymer materials, and specifically discloses a biomass-based photocurable 3D printing hydrogel as well as a preparation method and application thereof. The hydrogel is prepared by compounding carboxymethyl starch quaternary ammonium salt, lignin-based polyurethane acrylate photosensitive prepolymer as a core biomass-based functional component, acryloyloxyethyl trimethyl ammonium chloride, acryloyl morpholine, lithium bistrifluoromethanesulfonimide, hydroxypropyl cellulose, deionized water and an ultraviolet light-curable photoinitiator. The preparation method comprises the following steps: firstly, starch cationization modification and lignin photosensitization modification are respectively completed; and then, the resin composition is uniformly mixed, and the target hydrogel is prepared through light-curing 3D printing. The hydrogel can be applied to a strain sensor as a flexible sensing medium, has mechanical properties of high strength and high toughness, the whole biomass-based core component endows the material with excellent biodegradability and environmental friendliness, and meanwhile, the hydrogel is suitable for the molding requirements of high-precision light-curing 3D printing.

The application relates to a high-strength thermal insulation mortar and a preparation method thereof, the high-strength thermal insulation mortar comprises the following raw materials in percentage by weight: 30-50% of Portland cement, 20-30% of honeycomb stone micro powder, 16-20% of modified wollastonite mineral fiber, 1.6-2.2% of rubber powder, 0.2-0.6% of air entraining agent, 1-5% of polycarboxylate superplasticizer, and the balance is water; the modified wollastonite mineral fiber is prepared by spraying modification on the calcined wollastonite mineral fiber by using a finishing agent, the finishing agent comprises polyacrylamide and carboxymethyl starch, and the mass ratio of the polyacrylamide to the carboxymethyl starch is 2-5:1. The wollastonite mineral fiber is modified by the finishing agent, and the component ratio of the finishing agent is adjusted and designed, so that the strength of the prepared mortar is improved, the mortar has a low thermal conductivity, and the thermal insulation performance is excellent.

The invention belongs to the technical field of pharmaceutical preparations, and particularly relates to a citrus flavone tablet and a preparation method thereof. Tablet cores of the citrus flavone tablets comprise 450-550 parts by weight of citrus flavone, 50-74 parts by weight of microcrystalline cellulose, 20-34 parts by weight of carboxymethyl starch sodium, 20-40 parts by weight of gelatin, 4-8 parts by weight of talcum powder and 2-6 parts by weight of magnesium stearate, the citrus flavone tablets are prepared through a one-step granulation process, a wetting process is specially added before one-step granulation, adhesion of raw material medicines in the initial stage of granulation is avoided, and the content of the raw material medicines is increased. Meanwhile, low content caused by loss of raw material medicines due to single use of a one-step granulation process is avoided. According to the present invention, the particles similar to the reference preparation are obtained by using the specific components, the specific wet granulation wetting and the one-step granulation process, the in vitro dissolution of the obtained citrus flavone tablet is similar to the reference preparation, the disintegrated particles are similar to the reference preparation, and the treatment effect is further ensured.

The invention provides paracetamol dihydrocodeine tablets and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations. According to the invention, the paracetamol dihydrocodeine tablet is prepared by means of batching (pre-mixing), granulation, drying, size stabilization, total mixing and tabletting, and the disintegrating property of the tablet can be increased by adding carboxymethyl starch sodium in batches through an external method; the uniform dispersion stability of the two active ingredients, namely the acetaminophen and the dihydrocodeine tartrate, is improved in a manner of proportioning (premixing) and total mixing. After premixing, the content of dihydrocodeine tartrate in the obtained premix is 1.65-1.84% (the content value of the formula is 1.748%); 85.2%-89.6% of acetaminophen (the content value of the prescription is 87.4%); the RSD of dihydrocodeine tartrate in the premixed material is less than or equal to 3.5%, and the RSD of acetaminophen is less than or equal to 1.3%; after total mixing, the RSD of acetaminophen is less than or equal to 2.2%, and the RSD of dihydrocodeine tartrate is less than or equal to 1.4%.

The application belongs to the technical field of water treatment, and provides an amphoteric modified starch flocculant, a preparation method and application thereof, the flocculant is formed by graft copolymerization of carboxymethyl starch sodium, acrylamide, methacryloyloxyethyl trimethyl ammonium chloride and sodium allyl sulfonate with a mass ratio of 10:2-4:8-12:0.8-2. The flocculant has good flocculation effect on microplastics in water and high removal rate.

The application provides a nanocrystal core reinforced starch-based thixotropic agent and a preparation method and application thereof, and each raw material component of the starch-based thixotropic agent is as follows in percentage by mass: nanocrystal core material (0.2-0.8%), modified carboxymethyl starch ether (15-30%), cellulose ether (20-40%), auxiliary dispersant (1.5-3%), rheological stabilizer (0.5-2%), and the balance is water. In the application, the hydrophobic group is introduced into the carboxymethyl starch ether through etherification reaction, the hydrophobic association area is increased, the emulsifying property, the surface activity and the smoothness are improved, and the dispersion of the nanocrystal core material is further promoted. The nanocrystal core reinforced starch-based thixotropic agent provided by the application can significantly improve the thixotropy when being incorporated into a cement-based material, especially the smoothness during construction, so as to facilitate the construction and promote the development of early strength, thereby solving the problem of strength damage caused by a large amount of thixotropic agent, and having a good application prospect.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a wastewater treatment process for 2-hydroxy-benzonitril production. The 2-hydroxy-benzonitril production wastewater treatment process has remarkable technical advantages and environmental economic value, the amphoteric chitosan-carboxymethyl starch grafted flocculant efficiently removes multiple types of colloidal pollutants under the weak alkaline condition through the synergistic effect of charge neutralization and adsorption bridging; during the catalytic oxidation reaction, La2O3 stabilizes the carrier structure and modulates the electron distribution of an active center, so that ozone and H2O2 are promoted to generate a large number of high-activity free radicals, cyano groups and benzene rings are efficiently broken, the biodegradability of wastewater is greatly improved, and the toxicity is eliminated; a polyurethane foam-sodium alginate dual immobilization technology is adopted to construct a stable microenvironment for the flora, and P.putida and B.subtilis synergistically secrete functional enzymes to degrade nitriles and phenols; and finally, activated carbon adsorption recovery is carried out, the green circular economy requirement is met, and efficient treatment and resource value-added benefits are achieved.

The invention relates to the technical field of textile printing and dyeing, in particular to a sizing paste preparation method for a disperse digital direct injection process. According to the paste, carboxymethyl modified straw cellulose with a high substitution degree is taken as a core, and carboxymethyl starch, carboxymethyl cellulose, anhydrous sodium sulphate, a multifunctional auxiliary agent S60, a nonionic penetrant, citric acid, an organosilicon antifoaming agent and a BIT mildew inhibitor are compounded. The paste disclosed by the invention is low in cost, environment-friendly and excellent in comprehensive properties such as viscosity, water holding property, paste removal property and color yield, and meets the requirements of digital printing of polyester.

The invention belongs to the technical field of pharmaceutical preparations, and discloses a celecoxib tablet and a preparation method thereof.The celecoxib tablet is composed of celecoxib, lactose-microcrystalline cellulose compounded according to a specific proportion, polyvinylpolypyrrolidone-carboxymethyl starch sodium, a lubricant and a solubilizing stabilizer. Wherein the solubilizing stabilizer is beta-cyclodextrin, sodium stearoyl lactylate and meglumine. The preparation method comprises the steps of pretreatment of the celecoxib and the solubilizing stabilizer, step-by-step granulation, drying and size stabilization, and total mixing and tabletting. Through the synergistic effect of the compound solubilizing stabilizer and the wet grinding process and in combination with the preparation method of step-by-step mixing granulation, the content uniformity, the dissolution performance and the storage stability of the prepared celecoxib tablet are remarkably improved, and the preparation process is simple and easy to operate and suitable for industrial large-scale production.