71results about How to "Good alcohol solubility" patented technology

The invention relates to a preparation method of alcohol soluble normal-temperature curing bi-component polyurethane-acrylate resin. The preparation method comprises the following steps of: preparing a substance A; preparing a substance B; and mixing the substance A and the substance B in the proportion of 3-6:1 to obtain the alcohol soluble normal-temperature curing bi-component polyurethane-acrylate resin, wherein the raw material substance A comprises acrylate, epoxy group monomer, vinylacetate or styrene, more than one type of active functional group monomer, initiating agent and industrial alcohol; and the raw material substance B comprises oligomer polyalcohol, polyisocyanate, chain extending agent, catalyst, polyamine, solvent and industrial alcohol. The alcohol is completely used as the solvent, and the alcohol solubility is favorable; compared with a bi-component polyurethane product, the components contain no toxic and dissociative isocyanate, and the obtained product has strong environmental adaptation, low requirements on moisture and interface cleaning degree, high drying speed after being coated, normal-temperature curing, good glossiness, large adjustable range of glass temperature and wide application range.

The invention discloses a method for blasting plant biomass walls with oxygen, comprising the following steps of: firstly, adding ethanol, hydrogen peroxide with concentration of 30% and water to crushed plant biomass, mixing the materials to oxidize and soak the materials, and conveying the oxidized and soaked materials to an oxygen blasting tank via a feeding port of the oxygen blasting tank; secondly, sealing the feeding port of the oxygen blasting tank, regulating the temperature of the gas in the oxygen blast tank at 80-150 DEG C and the pressure within 1-4 MPa by conveying pressure air to the oxygen blasting tank, preserving heat and keeping pressure for 20-200 seconds to soak the plant biomass into ethanol, hydrogen peroxide with concentration of 30%, steam and water; and finally, completely opening the discharge port of the oxygen blasting tank within 3 seconds to reduce the pressure in the oxygen blasting tank to the normal pressure. The invention aims to provide the method for blasting plant biomass walls with oxygen, which can be used for completely and uniformly decomposing the plant biomass and realizing industrialization production and has high production efficiency.

The invention discloses a method for producing a phloretin by an enzymatic hydrolysis method, which comprises the following steps of: dissolving phlorizin raw materials with the phlorizin quality content of 10 percent to 80 percent in deionized water; adding activated sino-beta hydrolytic enzyme, stirring and carrying out enzymatic reaction for 5-72 hours at 20-90 DEG C, wherein the weight ratio of the phlorizin raw materials to the sino-beta hydrolytic enzyme is 1-50:1; rapidly raising temperature to 60-100 DEG C for inactivating for 15-25 min; solid-liquid separating, drying the solid to obtain the phloretin. The phlorizin in plants is taken as raw material, and the method has the advantages of easy raw materials acquisition, low price, simple production process, and easy control. In the invention, an aglycon configuration obtained by enzymolysis is not damaged and has stronger biological activity; the enzymatic hydrolysis has strong specifity, and the products obtained have little impurities; because the phloretin obtained by the method is white, the application field of the phloretin is broadened.

The invention discloses an absorbable medical suture line with good mechanical performance. The absorbable medical suture line comprises, by weight, 100-120 parts of modified polylactic acid, 20-40 parts of polyglycollide, 4-6 parts of sorbitol, 3-5 parts of methyl methacrylate and 5-6 parts of cassia oil. The preparation method of the modified polylactic acid includes: in ice-bath, adding chitosan into perchloric acid, well mixing, dripping sorbic acid chloride, stirring, cooling, preserving heat and purifying to obtain modified chitosan; taking polyethylene glycol, feeding inert gas, heating, preserving heat until the polyethylene glycol melt, adding stannous chloride and lactide, well mixing, heating, preserving heat and stirring, and purifying to obtain intermediate material; dissolving the modified chitosan in mixed solvent, adding triethylamine, well mixing, heating, refluxing, adding the intermediate material, well mixing, continuing refluxing, purifying and drying to obtain the modified polylactic acid.

The invention discloses an alcohol-soluble molybdenum oxide interface layer material synthesis method and application. Metal molybdenum powder serves as the raw material, hydrogen peroxide serves as oxidant, organic acid is adopted as stabilizer and cosolvent, alcohol serves as a proton donor, and synthesized molybdenum oxide powder is of an amorphous structure. The invention further discloses an organic solar cell device with alcohol-soluble molybdenum oxide as an interface layer. Molybdenum oxide synthesized through the method is good in alcohol solubility and film forming performance, can evenly form a film on a transparent electrode and an organic active layer, can achieve low-temperature processing and is compatible with a flexible substrate. A molybdenum oxide modified anode interface layer can effectively achieve cavitation extraction, and greatly improves photoelectric efficiency of devices. Meanwhile, the stable material overcomes instability of electrode interfaces and organic layer interfaces to a certain extent, and accordingly stability of organic solar cells is improved.

A heterocyclic sulphonazo metal chelate compound and its preparation method. In a phosphoric acid system, getting a diazonium salt of a nitrogen heterocyclic aromatic amine by a mild diazotization method, the diazonium salt coupling with different components, and getting a series of heterocyclic sulphonazo compounds; the heterocyclic sulphonazo compound chelating with different bivalent metal to get a series of heterocyclic sulphonazo metal chelate compounds. The heterocyclic sulphonazo metal chelate compound could produce an excellent film by spin coating, and be used for the optical storagemedium for DVD-R. The compound has a low thermal decomposition temperature ( no more than 350degree C), which is advantageous for improving sensitivity of DVD-R dyes.

A silver ion bactericide has a broad-spectrum antibacterial effect and avoids drug resistance as well as strain variation of microorganisms. Therefore, silver ions are currently an important research direction of the biomedical technology industry. According to the invention, an in-situ synthesis method is adopted for the first time to prepare a conductive conjugate polyelectrolyte/silver halide nanocomposite; and a long-acting broad-spectrum antibacterial effect is realized by adopting a silver halide nanocomposite taking the conductive conjugate polyelectrolyte as a carrier as a broad-spectrum antibacterial material and controlling the size of the silver halide nanoparticles complexed in the conductive conjugate polyelectrolyte to regulate the release rate of silver ions. In the invention, the application of the conductive conjugate polyelectrolyte in biomedicine and particularly the antibacterial field is exploited, and an antibacterial material which avoids toxic and side effects to a human body and is easy to spray and regulate and convenient to use is provided; and the antibacterial material has a broad application prospect in various conduits (catheters and air ducts), dressings and preparations as well as the long-acting mould and bacteria prevention of precise instruments.

The invention relates to a preparation method of a Chinese medicinal composition for nourishing blood, benefiting vital energy, regulating menstruation and dissipating cold. The Chinese medicinal composition is prepared by deer embryo, antler gelatin, prepared rehmannia root, ginseng, Chinese angelica, chuanxiong rhizome, bighead atractylodes rhizome, tuckahoe and liquorice. Compared with the prior art, the invention has obvious effect in the treatment, has fine production process, fast acting, increases new optional dosage form, removes the bad smell and improves the patient compliance.

The invention discloses an environment-friendly water-based coating for preparing glitter powder, and belongs to the field of fine chemical engineering. The coating consists of the following components in percentage by weight: 40-50% of alcohol-soluble acrylic resin, 15-22% of alcohol-soluble damar resin, 5-8% of a curing agent and 20-30% of an alcohol solvent. The invention also discloses a preparation method for the coating. The coating is capable of greatly improving the environmental performance by not using benzene solvents; moreover, the components are simple and synergetic with one another, so that the curing time is shortened, the adhesive force is strengthened and the total quality of the coating is improved. Compared with the traditional coatings, the cost of the coating is greatly reduced, the cost of the traditional coatings is about 25 yuan/kg and the cost of the coating is about 9.8 yuan/kg; the curing time of the traditional coatings is about 25-30s and the curing time of the coating is about 10-15s, so that the curing time is greatly shortened; the adhesive force is greatly strengthened; the preparation method is simple and the preparation cost is low.

The invention discloses an alcohol-soluble beta-glucan extract, a preparing method and application thereof and health-care wine, and relates to the technical field of extraction of plant components. The preparing method of the alcohol-soluble beta-glucan extract comprises the steps of taking a medicinal material of hordeum vulgar L.var.nudumHook.f, adding an acid solution, and conducting acid extraction; adding alpha-amylase and glucoamylase into an acid extraction solution for enzymolysis, and then conducting enzyme denaturing to obtain an enzymolysis extraction solution; centrifuging and concentrating the enzymolysis extraction solution to obtain a concentrated solution; adding an ethanol solution into the concentrated solution for alcohol precipitation to obtain an alcohol precipitationsolution; filtering and drying the alcohol precipitation solution. The technology is simple, the operation is convenient, the production period is short, the efficiency is high, and the alcohol-soluble beta-glucan extract is suitable for industrial mass production; the alcohol solublility of the prepared alcohol-soluble beta-glucan extract is good, the alcohol-soluble beta-glucan extract can be dissolved into ethanol of different concentrations and is suitable for producing hordeum vulgar L.var.nudumHook.f beta-glucan products; the alcohol-soluble beta-glucan extract is applied to preparing the health-care wine; the health-care wind contains a large amount of hordeum vulgar L.var.nudumHook.f beta-glucan.

The invention provides bio-based polyurethane water-based ink and a preparation method thereof. The preparation method comprises three steps of preparation of a prepolymer, emulsification desolvation and preparation of ink resin. The bio-based polyurethane water-based ink comprises the following components: bio-based isocyanate, bio-based macromolecular polyol, polypropylene carbonate polyol, a carboxylic acid type hydrophilic chain extender, a sulfonic acid type hydrophilic chain extender and a cross-linking agent, wherein the molar ratio of the bio-based isocyanate to the bio-based macromolecular polyol to the polypropylene carbonate polyol is 3:1:0.5-6:1:0.5, the mass of the carboxylic acid type hydrophilic chain extender is 1-2% of the mass of a polyurethane prepolymer, the mass of the sulfonic acid type hydrophilic chain extender is 2-6% of the mass of the polyurethane prepolymer, and the mass of the cross-linking agent is 1.5%-5.5% of the mass of polyurethane emulsion. According to the ink, the defect that inorganic auxiliaries such as matting powder need to be added to matte resin is overcome, the scratch resistance of the resin can be improved through the added cross-linking agent, and the alcohol solubility of the water-based ink resin is also improved through the addition of the polypropylene carbonate polyol.

The invention specifically discloses a preparation method of flower wine, which is prepared from 1-30kg of flower powder and 1000kg of wine by the following steps: (1) drying flowers at 35-90 DEG C until the water content is less than 3%, and crushing into 350-600-mesh powder to obtain the flower powder; (2) mixing the flower powder, saccharomycetes and water according to the weight ratio of 1: 0.25: 0.5, putting the mixture into a container, and fermenting at the temperature of 36-38 DEG C for 144-168 hours; (3) turning and stirring the fermentation material once every 3 hours in the fermentation process; (4) adding a proper amount of wine into the fermented material, mixing, and fermenting for 360 hours at the temperature of 18-25 DEG C; (5) stirring once every two hours in the fermentation process, wherein the stirring time is 5-8 minutes; (6) after fermentation is finished, carrying out reduced pressure distillation under the conditions that the pressure is-0.07 MPa to-0.1 MPa and the distillation temperature is 35-55 DEG C to obtain 10kg of alcohol liquid with the concentration of 15% V/V or above; and (7) adding 10kg of the alcohol liquid into 1000kg of wine, and uniformly stirring and mixing to obtain the flower wine. The wine is white spirit, yellow wine, grape wine or beer.

The present invention discloses an ionic cathode buffer layer molecule type material, wherein an aryl phosphorus oxygen group is introduced into an ammonium radical ion salt, such that the alcohol solubility and the amorphous property are high, the solubility in the weakly polar solvent can be reduced, and the erosion of the weakly polar solvent can be resisted. The present invention further discloses a preparation method and applications of the ionic cathode buffer layer molecule type material. Compared with the existing organic small molecule cathode buffer layer material, the ionic cathode buffer layer molecule type material of the present invention is used in the multilayer solution processing inversion device structure.

The invention discloses a tobacco double-layer solid flavor ball preparation method and an application thereof. Colorless and transparent liquid polyethylene glycol with the molecular weight of 200-600 and white waxy solid polyethylene glycol with the molecular weight of 800-2000 are mixed, dissolved and then solidified in cold to form white pasty soft solid. One or a plurality of types of white solid polyethylene glycol with the molecular weight of 4000-10000 are mixed according to an optional proportion, dissolved and then solidified in cold to form white hard solid. The white pasty soft solid and the white hard solid serve as a ball core and a ball shell of a flavor ball respectively, the breakable structural characteristic of the flavor ball can be achieved, slight noise is generated when the flavor ball is broken, and participation and interestingness of a consumer smoking a cigarette are enhanced. The ball shell of the prepared flavor ball is compact in structure, flavors in the ball core can be effectively protected from volatilization, the structure of the ball core is loose when the cigarette is smoked and the flavor ball is broken, and the flavors can be taken out by smoke.

The invention discloses an ink suitable for tempered glass. The ink is prepared from 30-40 parts of multielement acrylate copolymer resin, 2-5 parts of polyketone resin, 3-5 parts of pigment, 1-3 parts of dispersing agent, 0.5-1 part of adhesion promoter, 0.2-0.4 part of chelator, 15-20 parts of ethanol, 1-3 parts of boron oxide, 1-3 parts of aluminum oxide, 1-3 parts of acid-resistant titanium oxide, 1-3 parts of alkali-resistant zirconium oxide, 1-3 parts of low-melting-point silicic acid, 40-50 parts of silicon rubber resin, 3-5 parts of amino resin dye, 1-4 parts of amino resin dye, 1-3 parts of amino resin dye, 50-60 parts of EVA (ethylene-vinyl acetate) resin liquid, 10-15 parts of butyl acetate, 0.2-0.5 part of defoaming agent, 2-3 parts of emulsifier and 6-10 parts of deionized water. The alcohol-soluble multielement acrylate used as the main body resin of the ink is matched with the special synthetic resins to be used for grinding the pigment, thereby enhancing the color developing property and flowability of the ink. The finally added accelerator and chelator enhance the adhesive force and heat resistance of the ink.