309results about How to "Short dissolution time" patented technology

A process for preparing bamboo cellulose fibres by solvent method includes such steps as preparing the spinning solution from bumboo pulp in aqueous solution of NMMO, spraying at 80-110 deg.C, passing through a gap with 70-150 mm in length, shaping in coagulating bath of NMMO, and water washing at 40-60 deg.c. The resultant bamboo fibres features natural antibacterial function, very comfortable, and high drapability.

The invention discloses a coarse-cereal solid beverage and a preparation method thereof. The coarse-cereal solid beverage is prepared from raw materials of coarse cereal powder, maltodextrin, konjaku flour and / or radix puerariae powder, and a stabilizing agent, and the raw materials preferably and further comprise one or more of red jujube powder, a sweetening agent, red jujube essence and grain essence. The preparation method of the coarse-cereal solid beverage disclosed by the invention comprises the step of performing roasting treatment on the coarse cereal powder, the step of performing extruding and puffing, and the step of performing optional boiling granulation, wherein the maltodextrin and other ingredients and components are added together after the step of performing extruding and puffing, or are added in the step of performing optional boiling granulation. The size distribution range of the coarse-cereal solid beverage disclosed by the invention is 80-220 [mu]m, and / or the angle of repose is smaller than 35 degrees. The coarse-cereal solid beverage prepared by the method disclosed by the invention is balanced in nutrition, rich in mouth feel, good in solubility, low in agglomerating rate, good in fluidity and easy to transport and preserve.

A dissolvable nano web porous film has a network structure and a large specific surface area. The network structure is formed by stacking nano fibers that have a thickness of 10-50,000 nm. The nano fibers are formed of a composition comprising a nano fiber forming polymer, a gelling agent, a plasticizer, an optional active component and an optional additive. A method of preparing a dissolvable nano web film comprises producing a polymer melt or solution formed of a composition that comprises a nano fiber forming polymer, a gelling agent, a plasticizer, an optional active component and additives, spinning the melt or solution to form a nano web porous film having nano webs stacked in a network structure, drying the nano web porous film, and stabilizing the nano web porous film. The porous film has a 5-5000 times higher specific surface area and a 2-20 times faster dissolving time than a conventional film. The dissolvable nano web porous film has excellent dissolvability and solubility.

A method of producing mechanically stable effervescent tablets with a high dissolving velocity and an according effervescent tablet are described. The effervescent tablets consist of at least one active substance or of a combination of active substances, of at least one binder, of possibly carriers as sweeteners, flavors, colorings, scents, softeners, bleaches, and of sherbets. In producing, propylglycol or glycerin is used as a binder for the effervescent tablets, and the active substances or the combination of active substances and possibly carriers are mixed with the binder. Afterwards, the sherbets are added to this mixture in an air-conditioned room. Then, the mixture including the sherbets is formed into tablets.

The invention provides a synthesis method and application of a water soluble chitosan-based flocculant. The method comprises the steps of adding chitosan into acid solution, adding acylated monomer aqueous solution into the acid solution, uniformly stirring and mixing, performing vibration reaction for 1 to 10 h at 5 to 60 DEG C, performing precipitation and purification through ethyl alcohol and acetone, drying, and obtaining N-acylated chitosan; sequentially adding the N-acylated chitosan, deionized water, acrylamide and strong cation functional monomer into a reactor, uniformly stirring, leading nitrogen into homogenous solution to remove oxygen, adding a photoinitiator and a cosolvent, uniformly stirring and mixing, putting the raw materials into an ultraviolet light reaction device to perform polymerization reaction, drying, performing granulation and powder process, and obtaining the water soluble chitosan-based flocculant; the flocculant can be used for the removal treatment of alga in source water. The flocculant is good in solubility property, high in viscosity coefficient and short in synthesis time, does not need temperature reduction control, simplifies the production technology, reduces energy consumption, and reduces the production cost.

The invention relates to a glass-powder-free crystalline silicon solar battery aluminum paste and a preparation method thereof. The aluminum paste consists of the following raw materials by mass portions: 70-80 portions of aluminum powder, 18-28 portions of organic bond, 0.5-1.5 portions of adhesive force additive and 0.5-1.5 portions of adjuvant, wherein the adhesive force additive is zinc decanoate, zinc naphthenate, zinc citrate or zirconium citrate. After the aluminum paste is screen-printed and dried, the aluminum paste can be sintered within a wider temperature range, a back surface field can be in good ohmic contact with a silicon wafer, the adhesive force is good, the conversion efficiency of cells is high and the warping degree of the cells is reduced.

The invention provides a method for preparing cefuroxime sodium. The method comprises a step of reacting cefuroxime acid with mixed sodium salt to produce the cefuroxime sodium, wherein the mixed sodium salt comprises two or three of sodium acetate, sodium lactate and sodium iso-octoate. The product prepared by the method has the advantages of uniform crystal dispersion, greatly improved fluidity and easy packaging; the solubility of the product is greatly improved, and compared with similar products prepared by the conventional methods, the dissolution time is the shortest; the method greatly shortens the time for washing, filtering and drying the product, reduces the opportunities of powder exposure and human contact, more easily controls visible foreign matters in the product and effectively reduces the number of insoluble particles in the product; because the method improves the crystal form of the product, the crystal is easy to wash and dry, the time of the product at a high temperature is shortened and the stability of the product is improved effectively. The color grade of the product is further reduced, and the product is more stable and uniform and has better performance on indexes such as the color grade, content, impurities and the like.

The invention is suitable for the technical field of fertilizers and provides a potassium chloride particle fertilizer and a preparing method thereof. The fertilizer comprises an adhesive material, a quick-setting additive, a wetting agent, an auxiliary granulation material and potassium chloride. The preparing method includes preparing a potassium chloride granulation formation auxiliary agent, and preparing potassium chloride particles. The potassium chloride particle fertilizer and the preparing method which are provided in embodiments have characteristics of simple operation, short production period, low energy consumption, low cost, a granulation rate not less than 75%, and convenient industrial production. The strength of the prepared potassium chloride particles is not less than 20 N. The prepared potassium chloride particles are short in dissolution time.

The invention discloses a manganese-doped inorganic halogen perovskite quantum dot, and a preparation method and an application thereof. The preparation method comprises the following steps: dissolving lead salt and manganese chloride, and carrying out heating at 80 DEG C to 110 DEG C so as to obtain a halogen precursor; dissolving caesium salt so as to obtain a caesium precursor; adding the caesium precursor into the halogen precursor, and carrying out heating at 80 DEG C to 110 DEG C so as to obtain a quantum dot solution; and purifying the quantum dot solution so as to obtain the manganese-doped inorganic halogen perovskite quantum dot. The invention provides a method for high-yield preparation of the manganese-doped inorganic halogen perovskite quantum dot without the need of protection of inert gas at a low temperature. The method provided by the invention reduces preparation cost, improves preparation efficiency, and can be used for large-scale production. The quantum dot is applied to invisible ink which has good effect, is convenient to write and has stable invisible effect; meanwhile, after manganese is doped, the quantum dot has greatly-improved thermal stability and greatly-reduced toxicity.

The invention provides a traditional Chinese medicine granular preparation with dalbergia wood oil and a preparation method thereof. Traditional Chinese medicine spheroidized particles are prepared by using a traditional Chinese medicine extract and a pharmaceutically acceptable carrier. The shapes of the traditional Chinese medicine spheroidized particles are spherical or similar to spheres, and the density of the traditional Chinese medicine spheroidized particles ranges from 0.6 g / ml to 1.3 g / ml. A single dose of the spheroidized particles is small, the medicine taking is convenient, and the granular preparation can be used as a semifinished product of capsules and can also be used for developing sustained and controlled release preparations of traditional Chinese medicine.

A Chinese medicine ''Xiaojin micropill'' is prepared from 10 Chinese-medicinal materials including musk, myrrh, Chinese angelica root, earthworm, etc. Its preparing process is also disclosed. Its advantages are short dissolving time and quickly taking its high curative effect.

The invention provides a traditional Chinese medicine granular preparation with angelica extract and a preparation method thereof. Traditional Chinese medicine spheroidized particles are prepared by using a traditional Chinese medicine extract and a pharmaceutically acceptable carrier. The shapes of the traditional Chinese medicine spheroidized particles are spherical or similar to spheres, and the density of the traditional Chinese medicine spheroidized particles ranges from 0.6 g / ml to 1.3 g / ml. A single dose of the spheroidized particles is small, the medicine taking is convenient, and the granular preparation can be used as a semifinished product of capsules and can also be used for developing sustained and controlled release preparations of traditional Chinese medicine.

The invention discloses a preparation method of compound bamboo leave flavone dripping pill, belonging to the technical field of traditional Chinese medicine preparation. In the dripping pill preparation, Chinese herbal medicine bamboo leaves and mimosa are used as raw materials, a flavone extractive is obtained by extracting according to a certain method, and then the flavone extractive and pharmaceutical accessories used as matrix are processed by a certain method in proportion to prepare the final product. The dripping pill has the characteristics of high bioavailability, quick dissolution time, fast absorption by oral taking, high content of effective ingredients, accurate dosage, and convenient taking and carrying; the invention also has the functions of anti-lipid overoxidation, free radical removal, blood fat and cholesterolemia reduction, coronary blood flow increase, and myocardial ischemia melioration, and can be used for resisting oxidation, resisting aging, lowering blood fat, preventing and curing arteriosclerosis, cerebral ischemia, miocardial infarction and other diseases as well as the adjuvant therapy for cancer.

The invention provides a traditional Chinese medicine granular preparation with notoginseng extract and a preparation method thereof. Traditional Chinese medicine spheroidized particles are prepared by using a traditional Chinese medicine extract and a pharmaceutically acceptable carrier. The shapes of the traditional Chinese medicine spheroidized particles are spherical or similar to spheres, and the density of the traditional Chinese medicine spheroidized particles ranges from 0.6 g / ml to 1.3 g / ml. A single dose of the spheroidized particles is small, the medicine taking is convenient, and the granular preparation can be used as a semifinished product of capsules and can also be used for developing sustained and controlled release preparations of traditional Chinese medicine.

The present invention is related to a seamless capsule which easily dissolves in the oral cavity etc. The present invention provides a seamless capsule comprising a capsule content solution, and a capsule shell enclosing the capsule content solution, wherein the capsule shell comprises a gelatin having a bloom value of 50 to 190 and wherein the seamless capsule has a capsule shell-dissolution time of 60 seconds or less when the dissolution time is determined by a disintegration test using water as a test solution.

The invention discloses a novel amphoteric acrylamide polymer flocculant and a preparation method thereof. The novel amphoteric acrylamide polymer flocculant is prepared by ternary polymerization of acrylamide (AM), biquaternary ammonium type cationic functional monomer (AGCm, m = 1-4) comprising different alkyl tail chains (R = (CH2)x-CH3, x = 0-3) and glutamic acid type anionic monomers (AGlun,n = 1-4) with different side chain lengths (R'= (CH2)y, y = 0-3). The prepared novel copolymer of the double-end quaternary ammonium salt cationic functional monomer (AGCm, m = 1-4), the double-end carboxyl-containing anionic monomer (AGlun, n = 1-4) and acrylamide (AM) is short in dissolving time, novel in structure, energy-saving, environment-friendly, efficient and remarkable in flocculation effect. The flocculant has stronger adsorption capacity for negative suspended colloidal particles and organic substances in sewage, the flocculating effect is more remarkable than that of the traditional cationic polyacrylamide, the product economy is good, and the flocculant can be industrially produced.

The invention provides a traditional Chinese medicine granular preparation containing grass-leaved sweetflag extractive and a preparation method thereof. In the invention, traditional Chinese medicine spheroidized particles are prepared by traditional Chinese medicine extractive and carriers acceptable in pharmacy. The outline of the traditional Chinese medicine spheroidized particles takes sphere shape or round type shape. The density of the preparation is 0.6-1.3 g / ml. The spheroidized particles of the invention have low single dose, are convenient in use, can be served as intermediate products of capsules, and also can be used for developing traditional Chinese medicine controlled release preparation.

An installation for the dosing of a powder polymer having a particle size in the range from 100 to 500 micrometers intended to feed a blender in hydraulic fracturing operations, successively including: a powder polymer supply, from a pressurized tilting truck or from big bags emptied by pneumatic conveying, a mechanism for transporting the powder polymer fed by a compressor, and provided with a polymer transportation check valve, a hopper for receiving the powder polymer having a high level and a low level, the hopper being equipped with a pulse jet cleaning dust filter, as well as with a mechanism for controlling the check valve and the compressor according to the high and low levels, a screw feeder for dosing the powder polymer, positioned at the lower end of the hopper, the screw being equipped with a variable-speed motor capable of being remotely controlled.

The invention relates to a traditional Chinese medicine pellet which is prepared from traditional Chinese medicine extractives or traditional Chinese medicine extracts and a base pellet according to the weight ratio of (1:5)-(5:1); and the traditional Chinese medicine pellet has the bulk density of 0.6-1.3g / ml, the specific surface area of 0.005-0.05m<2> / g and the particle size of 0.5-1.8mm. The invention also provides a preparation method of the pellet, so that the problems that traditional Chinese medicines or vegetable drugs easily absorb moisture and are unstable are solved; and the preparation method is simple, feasible and suitable for industrial production.

The invention relates to a preparation method of a Chinese herbal stomach-nourishing pill. The Chinese herbal stomach-nourishing pill is composed of rhizome atractylodis, dried tangerine peels, poria cocos, pinellia ternate, vinegar-made rhizoma cyperi, fried immature citron, dehulled amomum kravanh, ginger-made mangnolia officinalis, pogostemon cabin, liquorice, elecampane and fructus amomi. The preparation method includes steps of firstly drying various raw materials under ultraviolet rays, smashing them into powder with 80-100 meshes, and uniformly mixing; secondly, decocting ginger and jujube in water to obtain decoction liquid; thirdly, mixing and stirring the uniformly mixed powder and the decoction liquid uniformly to obtain particles with 18 meshes in diameter, and drying; fourthly, placing the dried particles into a ball die to be pressed into balls, placing the balls into a generic pill pot, and adding 5% of talcum powder and ferriferous oxide to generically obtain the Chinese herbal stomach-nourishing pill. The preparation method of radix gentianae pills capable of purging pathogenic fire of the liver is short in production cycle and high in production efficiency, pills prepared are easy to form, and microbial limit is ensured to meet the requirement.

The invention provides a traditional Chinese medicine granular preparation with notoginseng extract and a preparation method thereof. Traditional Chinese medicine spheroidized particles are prepared by using a traditional Chinese medicine extract and a pharmaceutically acceptable carrier. The shapes of the traditional Chinese medicine spheroidized particles are spherical or similar to spheres, and the density of the traditional Chinese medicine spheroidized particles ranges from 0.6 g / ml to 1.3 g / ml. A single dose of the spheroidized particles is small, the medicine taking is convenient, and the granular preparation can be used as a semifinished product of capsules and can also be used for developing sustained and controlled release preparations of traditional Chinese medicine.

The invention discloses a method for extracting andrographolide in andrographis tablets. The method comprises the following steps: taking a proper amount of andrographis tablets, crushing the tablets,putting the mixture into an enzymolysis tank, adding complex enzyme according to the mass ratio, carrying out vortex mixing, carrying out enzymolysis at 30-50 DEG C for 1-2 hours, filtering to obtainan enzymatic hydrolysate; and rapidly freezing the obtained enzymatic hydrolysate and then naturally unfreezing, so that starch in the extract is aged and precipitated; collecting a supernatant, subjecting the residual part to centrifuging, collecting the centrifugal liquid and combining the centrifugal liquid with the supernatant, carrying out spray drying, and carrying out CO2 supercritical extraction on the obtained powder, wherein the fluid extraction pressure is 20-30 MPa, the extraction temperature is 40-50 DEG C, the CO2 fluid flow is 750-850 L / h, the extraction time is 3-5 hours; collecting the andrographolide. The andrographolide can be efficiently extracted from the andrographis tablets, the operation is convenient, and the impurities in the extracting solution are not increased, expensive equipment is not needed, and the extraction cost of andrographolide is reduced.

The invention provides an aniracetam drop pill wherein polyethylene glycol is selected from a plurality of drop pill base materials, a melting method is employed for preparing solid dispersions, based on this, the admission of the surface active agent and the integration boosting agent can facilitate the dissolving of drop pills. The invention has the advantages of convenient swallowing, rapid absorption, high biological availability, easy dosage dividing, thus is suitable for senile dementia patients.

The invention discloses basic nutrition milk powder for preschool children, a nutrition milk powder suit and preparation methods. The basic milk powder is prepared from raw materials as follows: 50%-80% of raw milk, 1%-30% of demineralized whey powder, 0.001%-0.01% of vitamin A, 0.01%-0.1% of vitamin E, 0.001%-0.01% of vitamin D, 1%-20% of white granulated sugar, 0.1%-2% of calcium carbonate, 0.01%-0.1% of ferrous sulfate, 0.01%-0.1% of zinc sulfate, 0.1%-3% of anhydrous cream, 0.1%-1% of soya bean lecithin and water. The preparation method of the basic nutrition milk powder comprises steps as follows: the raw milk and the water are uniformly mixed under the vacuum condition, other components are added, and the mixture is homogenized, sterilized, concentrated and dried. The basic milk powder has uniform particles, low impurity degree and good reconstituability and wettability, nutrition components and / or fruit powder with different functions are added on that basis, and the demands of growth and development of the preschool children are sufficiently met.

The invention discloses a pioglitazone hydrochloride solid dispersoid and a medicinal compounds thereof as well as preparation methods and applications thereof. The pioglitazone hydrochloride solid dispersoid contains pioglitazone hydrochloride and PEG6000, with the weight ratio of 1:1. 5-9. The preparation method of the pioglitazone hydrochloride solid dispersoid comprises the following steps: A1. heating the PEG6000 to 60-80 DEG C, so as to enable the PEG6000 to be in a liquid state; A2. under the condition of constantly stirring the solution, adding the pioglitazone hydrochloride with proportional amount, stirring and dispersing for 20-40 minutes; and A3. quickly pouring a mixture on a metal panel with fast heat conduction to form a thin solid layer, immediately placing the thin solid layer in an environment with temperature below -20 DEG C, quenching for 50-70 minutes, taking out, smashing and screening with a 100-mesh sieve. The invention has the beneficial effects that the solid dispersoid can greatly improve the dissolution rate of the pioglitazone hydrochloride in a dissolution medium, so as to increase bioavailability. A solid dispersing agent can be further made into the medicinal compounds in forms of tablets and capsules.

The invention provides a traditional Chinese medicine granular preparation with ginkgo biloba extract and a preparation method thereof. Traditional Chinese medicine spheroidized particles are prepared by using the ginkgo biloba extract and a pharmaceutically acceptable carrier. The shapes of the traditional Chinese medicine spheroidized particles are spherical or similar to spheres, and the density of the traditional Chinese medicine spheroidized particles ranges from 0.6 g / ml to 1.3 g / ml. A single dose of the spheroidized particles is small, the medicine taking is convenient, and the granular preparation can be used as a semifinished product of capsules and can also be used for developing sustained and controlled release preparations of traditional Chinese medicine.

The invention discloses manganese doped inorganic halogen perovskite quantum dots and a preparation method thereof. The preparation method comprises the following steps: lead salt and manganese chloride are dissolved and heated at 80-110 DEG C, and a halogen precursor is obtained; cesium salt is dissolved, and a cesium precursor is obtained; the cesium precursor is added to the halogen precursor,the mixture is heated at 80-110 DEG C, and the manganese doped inorganic halogen perovskite quantum dots are obtained. The method for preparing the manganese doped inorganic halogen perovskite quantumdots with high yield at lower temperature needs no inert gas protection, preparation cost is reduced, preparation efficiency is improved, quantum yield is as high as 62.41% which is 12.41% higher than the current highest quantum yield of 54% with a hot injection method, and the method can be applied to mass production.

The invention discloses a method for preparing a hollow textile with a core-spun yarn of short-staple wrapped microporous alkali-soluble polyester filament, which includes a foaming microcapsule preparation step, a preparation step of alkali-soluble chips containing foaming microcapsules, a melt foaming and spinning step, and a hollow textile preparation step. In the method for preparing the hollow textile with the core-spun yarn of short-staple wrapped microporous alkali-soluble polyester filament, a hollow yarn or a hollow fabric is made from a polyester filament having a microporous structure through alkali dissolution. The polyester filament having a microporous structure can effectively increase the contact area of the alkali dissolution and has the advantages of high dissolution rate, short dissolution time and complete dissolution. The hollow textile prepared from the hollow yarn or the hollow fabric obtained after dissolution has a comfortable hand feeling and has the characteristics of being fluffy, soft, warm and quick-drying.