246results about How to "Advanced preparation technology" patented technology

The present invention discloses a preparation method of aqueous / solvent-free composite environmentally friendly polyurethane synthetic leather, the synthetic leather comprises an aqueous elastomer surface layer and a solvent-free foaming intermediate layer, the aqueous elastomer surface layer resin is thermosetting polyether aqueous polyurethane resin, the solvent-free foaming intermediate layer is thermosetting two-component polyether solvent-free foaming polyurethane resin, and the two-component material is polyether combination A material and polyether B material prepolymer. The preparation process does not use any organic solvent, achieves the synthetic leather production and processing, finished product zero solvent use and health and environmental friendliness; at the same time, the advantages of the aqueous polyurethane resin and the solvent-free polyurethane resin are combined, and the obtained synthetic leather products has strong pattern stereoscopic impression, soft hand feeling, superior hydrolysis resistance and other physical properties, and skin and leather feeling equivalent to natural dermis.

The invention provides cement polymer based high-temperature concrete permeable pavement bricks and a manufacturing method thereof and belongs to the field of road surface pavement materials. Each cement polymer based high-temperature concrete permeable pavement brick is prepared from a permeable base layer and a permeable surface layer, wherein the permeable base layer is prepared from 290 to 345 parts of cement A, 0 to 6 parts of ultra-light aggregate A, 1630 to 1765 parts of coarse aggregate, 255 to 290 parts of sand, 0.50 to 0.85 part of polymer emulsion A, 0.35 to 0.50 part of an interface reinforcing agent A and 0 to 0.65 part of a loose soil constriction resisting agent; the permeable surface layer is prepared from 390 to 425 parts of cement B, 0 to 2 parts of ultra-light aggregate B, 0 to 7.5 parts of micro-pore fine aggregate, 1350 to 1400 parts of wear-resisting fine aggregate, 0.65 to 0.85 part of polymer emulsion B, 0.65 to 0.95 part of an interface reinforcing agent B, 8 to 13 parts of a deicer salt scaling resisting and alkali adsorption agent and 15 to 17 parts of pigment. According to the cement polymer based high-temperature concrete permeable pavement bricks, all technological performances of the permeable bricks are comprehensively improved.

The invention discloses antler-deer blood liquor. The antler-deer blood liquor is prepared mainly from 0.5 to 1% of antler, 0.5 to 1% of deer penis, 0.5 to 2% of deer blood, 0.5 to 2% of ginseng, 1 to 5% of medlar and 90 to 97% of more than 50 degrees of liquor through flow immersion. The invention also provides a preparation method of the antler-deer blood liquor. A formula and a preparation device of the antler-deer blood liquor are simple. The preparation method is advanced and scientific. A production period is short. Alcohol does not volatilize and a liquor body is not oxidized during preparation processes. Pharmaceutical ingredients can be separated out fast and a residue volume is small. The content of an active ingredient in the antler-deer blood liquor is high.

The present invention relates to an injection vinorebin powder injection preparation and its preparation method. It is made up by using vinorebin as main medicine or adding at least one of dextran, mannitol and sorbitol as filling agent, using at least one of solvents of water for injection, acetone and ethyl alcohol to dissolve them to obtain solution, then decolouring with active carbon, filtering by using microporous filtering film, then dehydration drying by using freeze-drying or reduced pressure drying to obtain the invented powder injection for curing the diseases of non-small cell lung cancer, mammary cancer, oophoroma and lymphoma, etc.

The invention discloses a prestressed concrete hollow square pile comprising a plurality of independent main steel reinforcements. Both ends of each main steel reinforcement are respectively fixedly connected with square end plates; the main steel reinforcements are externally sleeved with steel reinforcement cage racks; each steel reinforcement cage rack comprises a spiral steel reinforcement, and the spiral steel reinforcement is welded with a plurality of auxiliary steel reinforcements; concrete is poured outside the main steel reinforcements and the steel reinforcement cage racks and is combined with the main steel reinforcements and the steel reinforcement cage racks into an integral square pile; and the center of the integral square pile is provided with a central circular hole penetrating through an integral square pile body. The invention aims at providing the prestressed concrete hollow square pile which has the advantages of good molding quality, high single-pile bearing capacity, undamaged steel reinforcement framework before the steel reinforcement framework is used, convenient production, good horizontal anti-bending bearing capacity, high shearing resistant property, convenient stacking and difficult knock damage during pile hoisting, transportation and transferring. The invention also aims at providing a production method of the prestressed concrete hollow square pile.

Disclosed are a cement polyphenyl granule concrete lattice composite wall shuttering, its manufacturing method, a lattice composite wall and its manufacturing method. The invention relates to the lattice composite wall shuttering, its manufacturing method, the lattice composite wall manufactured by the use of the shuttering and the manufacturing method thereof, so as to solve disadvantages of complicated operational processes and inflammable insulation materials in the prior art. The above purpose is realized by the following scheme: the shuttering comprises components of polyphenyl granules, cement, fly ash or slag, a shuttering bonding agent and water; the components are mixed with stirring to prepare a mixture of cement and polyphenyl granules; the shuttering bonding agent is diluted by the use of water, the solution of the shuttering bonding agent is added into the above mixture of cement and polyphenyl granules with stirring, the mixture is poured into a die, followed by compacting into half-plate cement polyphenyl granule concrete lattice composite wall shutterings; the two half plates undergo buckling and butt joint, and the composite wall is composed of the composite wall shuttering and a reinforced concrete core; and the several cement polyphenyl granule concrete lattice composite wall shutterings are respectively spliced in both vertical and transverse directions, steel bar is mounted in a core aperture, and self-compacting concrete is poured.

An orally taken Chinese medicine for treating vascular dementia is prepared from fleece flower root, astragalus root, Chinese angelica root, Chuan-xiong rhizome and lucid ligustrum fruit.

The invention provides an interbody fusion cage for posterior lumbar spinal surgery and a preparation method thereof, and belongs to the application field of biomedical composite materials. The rectangular interbody fusion cage has side surface drainage through-holes, end surface chamfers, and triangle toothed structures on the upper and the bottom surfaces. The preparation method comprises the following steps of profiling the interbody fusion cage with carbon/carbon composite material as target, and preparing hydroxyapatite coating layers on the upper and the bottom surfaces of the interbody fusion cage sequentially by sandblasting pretreatment, plasma spraying, vacuum heat treatment and simulated body fluid immersion. The interbody fusion cage prepared by the inventive method has the advantages of novel material, advanced preparation method, reasonable structural design and good osteoconductivity function.

The invention provides a wastewater purification active coke adsorbent and a preparation method thereof, and the wastewater purification active coke adsorbent is obtained by carrying out the steps of deashing, kneading, molding, drying, carbonization, activation and the like on lignite and coking coal which are crushed into a certain fineness, as well as tar, asphalt, solid metal salts and water. The wastewater purification active coke adsorbent prepared by adopting the raw materials and the method not only realizes good purification effect, but also has the advantages of low cost, simple preparation and strong practicality.

The invention relates to a white-light laminated crystal board and a making method thereof. The white-light laminated crystal board comprises the following ingredients: 100 polyvinyl chloride, 40-60 dioctyl phthalate, 1.6-2.5 liquid barium-cadmium-zinc stabilizers, 0.1-0.6 acrylic acid processing assistant, 0.03-0.08 pigment and 0.2-0.6 PHR of non-toxic phosphate. The making method comprises the following procedures of automatic metering, high-speed mixing, cooling and stirring, plastification by using a planetary extrusion machine, filtering, four-roller calendaring, calendaring and cooling, bait remaking, calendaring and reeling, laminating and feeding, preheating and laminating, lamination cooling and trimming, lamination reeling, and packaging and warehousing of finishing products. The product has better elasticity than that of glass and has high surface transparency and illumination, the surfaces of films have good flatness and small water wave, a single laminated film approaches to be colorless, and the films have high transparency.

The invention provides an emulsion pressure-sensitive adhesive for protecting an adhesive tape and a preparation method thereof. The emulsion pressure-sensitive adhesive is prepared from butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, styrene, crylic acid, hydroxy-propyl acrylate, an initiator, a buffer agent and an emulsifier in a polymerization manner. The preparation method of the emulsion pressure-sensitive adhesive comprises the following steps: a) selecting a synthetic material; b) preparing pre-emulsion; c) performing polymerizing emulsion; d) detecting a product. The invention discloses the emulsion pressure-sensitive adhesive for protecting the adhesive tape and the preparation method thereof. The emulsion pressure-sensitive adhesive is advanced in preparation technology, and simple in preparation process; the prepared emulsion pressure-sensitive adhesive not only has strong initial tension and high peel strength, but also has good high-temperature, high-humidity and aging resistance, and high application value.

A Chinese medicine in the form of particles for treating diabetes and its vascular complication and decreasing blood fat is prepared from 5 Chinese-medicinal materials including coptis root, rehmannia root, scutellaria root, turmeric, etc through proportionally immersing them in alcohol, thermal reflux extracting, filter, concentrating, spray granulating and baking.

The compound Chinese onion preparation for treating chronic obstructive lung disease is prepared with Chinese onion, trichosanthes peel, Chinese goldthread, immature bitter orange, cassia twig and other chinese medicine materials. The preparation process includes crushing material, ethanol extraction, depression recovery of ethanol, concentration, adding supplementary material, vacuum drying to obtain dry extract, crushing, and further steps to prepare tablet, capsule, drip pills and micro pills. The compound Chinese onion preparation has obvious functions of relieving cough, eliminating phlegm and relieving asthma, and may be used to treat chronic obstructive lung disease effectively. It is ideal medicine for COPD in acute stage and COPD in prolonged stage and chronic stage.

The invention relates to a preparation method of a milk/egg nutrition beverage, which specifically comprises the steps of: selecting fresh eggs, and evenly stirring the egg liquid; removing the bad smell of the egg liquid by bad smell removing equipment; concentrating under vacuum, and putting the sterilized and bad-smell-removed egg liquid into a double-effect falling film evaporator for concentrating; homogenizing under a high pressure, smashing the egg liquid into material points by a plurality of tinny valve openings under a high pressure, and evenly distributing the material points into a material liquid; atomizing and drying, and evenly spraying the plainwhite into a drying tower by a nozzle to prepare egg powder; and adding the egg powder into sterilized fresh milk, adding water, adding a food additive and white granulated sugar, stirring, and canning into a milk/egg mixed beverage. The preparation method is advanced in preparation technology, and the milk and the egg are scientifically mixed with each other, so that the nutrition functions of the milk and the egg are intensified. The beverage can be drunk at any time and any place, is very convenient, is good in mouthfeel, is suitable for drinking in four seasons, and is good for the children and the adults.

The present invention relates to a pure apple juice, in which the soluble solids are 11.5 deg.BX-12 deg.BX, total acid content is 0.40-0.45%, fruit flesh content is (-3%, and in each 100g of apple juice the ascorbic acid content is 50-100 mg. Said invention also discloses its preparation method, it is a pure natural fruit juice containing no chemical adjuvant and preservative, and said preparation process does not adopt enzymolysis and pectin tannin precipilation process, and can retain all the nutrient components of the original apple.

The invention relates to the field of drug synthesis, and specifically relates to a preparation method and a preparation intermediate of fingolimod hydrochloride. The method provides a completely novel synthesis route. According to the method, n-octyl benzene and chloroacetyl chloride are adopted as initial raw materials; and fingolimod hydrochloride is prepared through the steps of Friedel-Crafts acylation, coupling, ketone carbonyl reduction, ester group reduction, amide hydrolysis, hydrochloride formation, and the like. The preparation method is completely novel; preparation process is advanced; yield is high; the method is stable; and cost can be effectively reduced.

The invention relates to a colloid tartro-bismuthate and a drug preparation, a preparation method and application of the colloid tartro-bismuthate. The colloid tartro-bismuthate consists of tartaric acid, trivalent metal bismuth ion oxide or salt and low methoxyl-D-polygalacturonase; and the colloid tartro-bismuthate is subjected to centrifugal spraying and drying by dissolution, mixing, precipitation and other methods to form microcrystalline fine powdery colloid tartro-bismuthate. The drug has obvious treatment effect on chronic nonspecific ulcerative colitis, irritable bowel syndrome and chronic colonic inflammation, has good treatment effect on chronic atrophic gastritis and other stomach diseases, has small toxicity and side effect and belongs to a safe, nontoxic and effective drug of a gastroenterology department.

The invention provides a non-shrinkage high-sound-isolation self-heat-insulation heat-isolation sand light wall module and a manufacturing method thereof and belongs to the field of wall materials. The module and the manufacturing method solve the technical problems that sand with the sand content larger than 3% can not be used as an existing wall material, cracking occurs, the sound-isolation effect is poor, and a light wall material can not serve as a self-bearing wall. A non-bearing wall module is manufactured through super-light aggregate, cement, sand, bulk cement shrinkage-preventing agents, interface activity enhancers, solution viscosity hollow particle polymer and water. A self-bearing wall module further comprises coarse aggregate. The non-bearing wall module is manufactured in the steps that materials are stirred, poured into a half-piece type mould, pressurized and formed through variable-frequency vibration and buffering, and maintained; adhesive faces are cut flattened and bonded together, and the periphery of the module is cut and flattened. The self-bearing wall module is manufactured in the steps that materials are stirred, poured in a whole-piece mould, pressurized and formed through variable-frequency vibration and buffering, and maintained. The wall module integrates non-shrinkage, self-heat-insulation, heat-isolation, high-sound-isolation and fire resistance, sand with the sand content being 3-25% is used, the manufacturing method is simple, and construction is convenient.