169 results about "Alcohol" patented technology

This invention relates to one kind of method to use abandoned grease to produce epoxy plasticizer, its characteristic lies in: Use the abandoned grease as raw materials, by pretreatment, the obtained glycerin ester to ester exchange respond with the methyl alcohol under alkali catalysis, then get fatty acidmethyl ester, then again with the peroxide organic acid, which is the reaction products of hydrogen peroxide and organic acid, to directly epoxy respond, get the raw epoxy fatty acid methyl ester, then wash off the acid by water, and obtain the epoxy fatty acid methyl ester by distillation and dehydration product. The raw material cost of this invention is low, originates broadly, conforms to the green environmental protection requirement, and the craft is simple, does not pollute environment, so it is the good substitute of petroleum product.

The invention provides a high strength organic / inorganic nano composite film layer materials and method for preparation, wherein the composition comprises 10-13% of titanate, 7-17% of silicane coupling agent, 0-6% of silicate ester, 40-65% of alcohol solvent and 1-4% of water. The preparation of the composition consists of using inorganic acid as catalyst, co-hydrolyzing titanate, silicate and silane coupling agent in dimethyl carbinol, coating the obtained paint by rotary, dipping or spraying methods onto the surface of the appliances, finally solidifying 1-3 hours at 135- 150 deg. C.

The invention refers to a kind of plant fibre liquefied and the manufacturing method, and the usage. It is made up by mixing 100 shares of polyatomic alcohol, 0-12 shares of phenol, 1-15 acid and heating them to 110-160deg.C, then adds in dried and crushed plant fibre material about 5-40 shares, reacts for 20-150 minutes, then cools them with ice. The product can be used to produce polyurethane foaming material. The plant fibre liquefied material not only can be lumber fibre material, but also can use other plant fibre material, it upgrades the use of material other than lumber resources, it reduces the consumption of chemical agent, the other hand, it can improve the flexibility of high polyurethane.

The invention discloses a phenol ortho-methylation catalyst and a preparation method thereof. The catalyst is an alkaline Fe/Mg compound oxide, wherein, the mol ratio of Fe to Mg is 1: (0.1-2). The preparation method comprises the following steps: mixing and dissolving soluble malysite and soluble magnesium salts into alcohols solvent according to a required proportion to prepare a solution A; adding polyethyleneglycol (PEG) into strong aqua ammonia to prepare a solution B; slowly mixing the solution A and the solution B in a cocurrent flow mode under the condition of normal temperature and ultrasound, and then going on with the ultrasound for 30 minutes; filtering, washing, drying and baking the obtained precipitation; porphyrizing the baked solid and repulverizing the solid into 10-20 mesh finely ground particles after tabletting; the finely ground particles are the catalyst. The catalyst has the advantages of high activity at low temperature, simple preparation, innocuity, good stability, high selectivity of ortho position, particularly high selectivity of orthocresol and few by-products.

The invention relates to a high-strength and high-modulus polyvinyl alcohol fiber and a melt spinning method of the high-strength and high-modulus polyvinyl alcohol fiber. The method comprises the following steps that polyvinyl alcohol, water and polyatomic alcohol are subjected to full swelling after being uniformly mixed; the polyvinyl alcohol subjected to the full swelling is added into a double-screw-rod extruding machine and is then subjected to full fusion to be extruded, and melt fine flows form a primary fiber after air blowing cooling; and the prepared primary fiber is subjected to the drying by a hot air drying oven, multistage stretching and tense heat setting to form the polyvinyl alcohol fiber. The preparation method of the prepared polyvinyl alcohol fiber has the advantage that through the hydrogen bond compounding among water molecules, polyatomic alcohol and polyvinyl alcohol molecules, the melt spinning and the high-power stretching of the polyvinyl alcohol are realized. The polyvinyl alcohol fiber prepared by the preparation method has the advantages of fiber degree controllability, high strength and high modulus, and can be widely applied to the field of civil engineering concrete.

The invention discloses a method for preparing a ZnWO4 nanorod photocatalysis material. The method includes preparing a tungstic acid solution A, a zinc chloride solution B and a sodium citrate solution C; dropwise adding the solution A and the solution C into the solution B to form a solution D; regulating potential of hydrogen (pH) of the solution D to 6-8, and uniformly stirring to obtain a solution E; adding the solution E into a microwave hydrothermal reaction kettle, performing a heating reaction, naturally cooling the solution E to the room temperature after the reaction is finished, and taking out the reaction kettle; and opening the reaction kettle, washing a product for 4-6 times by deionized water and absolute ethyl alcohol, and drying to obtain the ZnWO4 nanorod photocatalysis material. According to the method, the microwave hydrothermal method is utilized to rapidly synthesize the ZnWO4 nanorod with the photocatalysis property, the later crystallization heat treatment is not required, the obtained product is high in purity, and the shape is controllable. The ZnWO4 nanorod with the photocatalysis effect can be synthesized in 10 minutes, and the degradation rate of the prepared ZnWO4 nanorod to rhodamine B in 50-60 minutes can reach to 97%-99%.

A chewing spirulina tablet is prepared from spirulina and two or more of dextrin, microcrystalline cellulose, mannitol, xylitol, aspartame, glycyrrhizin, essence powder, superfine silica gel powder, and magnesium stearate through mixing, granulating by use of alcohol solution containing polyvitone K30, drying and die pressing.

Ultrahigh-toughness concrete and a preparing method thereof are disclosed. The concrete is prepared from, by weight, 380-580 parts of cement, 150-170 parts of slag powder, 250-380 parts of fly ash, 200-400 parts of quartz sand, 13-15 parts of bamboo wood phenolic alcohol liquified resin, 13-18 parts of polypropylene resin, 0.5-1.5 parts of carboxymethylcellulose, 23-47 parts of core-shell acrylic acid elastic emulsion, 5-10 parts of a chemical-resistant modifier, 14-18 parts of bamboo fibers, 2.5-8.5 parts of nanometer silicon particles, 7-13 parts of nanometer calcium carbonate, 3-5 parts of anionic polyacrylamide, 3.7-8.3 parts of poly(diallyldimethylammonium chloride), 0.4-1 part of poly(ethylene glycol) acrylate, 20-30 parts of an acrylic emulsion, and the like. The ultrahigh-toughness concrete has high tensile strength, high compressive strength, ultrahigh ductility, good energy consumption capacity and good elastic modulus.

The present invention provides a temperature sensitive paint for low-temperature use which shows durability at low temperatures, has a high light emission intensity, and makes it possible to perform precise temperature measurements of surface temperature fields by applying the paint to the surface of an object and measuring the light emission even in cases where the measurement distance is long in, for example, a large cryogenic wind tunnel or the like. The temperature sensitive paint for low-temperature use contains a ruthenium complex having a high light emission intensity as a temperature sensitive luminophore, a urethane type polymer as a binder, and an alcohol organic solvent as a solvent. Use of an alcohol organic solvent makes it possible to dissolve a temperature sensitive luminophore at a high solubility and to increase the light emission intensity by raising the temperature sensitive luminophore concentration in the coating film, so that more precise temperature measurements can be performed. By using the urethane type polymer having the durability at low-temperature, it is possible to obtain durability where no cracks occur at low temperatures even when the film thickness is increased. Therefore, adjustment of the light emission intensity and surface treatment such as surface polishing and the like can be performed by using this temperature sensitive paint for low-temperature use.

The invention provides a preparation method of catalyst slurry for fuel cell coating, which includes: successively adding catalyst particles, deionized water, a proton exchange membrane solution, alcohol and a stabilizer into a container, and uniformly mixing and dispersing the component to prepare the catalyst slurry, which is 8-28% in solid content and 50-500 mPa*s in viscosity. The mass percentage of the catalyst particles is 6-21% and the mass percentage of the stabilizer is 0.5-5%. The invention also provides the catalyst slurry for fuel cell coating. The preparation method is simple andavailable, is simple in stirring and dispersion and can shorten the whole preparation time. The catalyst slurry is high in viscosity and solid content and is suitable for preparing a membrane electrode in a coating manner.

The process of preparing high water solubility polyvinyl alcohol features that vinyl acetate monomer in 50-80 weight portions, methanol in 16-49 weight portions, vinyl monomer containing carboxyl group or amido group in 1-4 and initiator in 0.04-0.08 weight portion are reacted in a reactor equipped with thermometer, stirrer, reflux condensator and water bath at 60-65 deg.c for 3-6 hr; and the resultant is compounded with methanol into 30 % concentration solution and alcoholyzed with sodium hydroxide or potassium hydroxide to obtain high water solubility polyvinyl alcohol.

The invention relates to a method for recycling methylal in glyphosate wastewater. The method comprises the following steps of: 1) treating the chloromethane tail gas obtained by deacidifying the glyphosate through a dealcoholization kettle with three-stage condensation and multi-stage washing in a water scrubber, wherein the chloromethane gas enters into a compression system so as to be recycled, and the condensate enters into a dilute methyl alcohol storage tank; pumping the condensate in the dilute methyl alcohol storage tank into a preheating kettle with the temperature of 50-60 DEG C to preheat the dilute methyl alcohol for 10-15min, then, distilling the preheated dilute methyl alcohol in a distillation tower; distilling out the low-boiling point methylal from the top of the distillation tower, discharging after reflowing and condensing, and conveying the condensate into a collection tank. The method not only can effectively reduce the potential safety hazards caused by wastewater discharge, but also can effectively recycle the methylal, and can improve the recovery rate of the methylal to be more than 96%.

The invention discloses a hydrophobic polymer film composite coating hydrophiling modification method which comprises the following steps: preparing a tannin solution with a certain concentration, adding a certain amount of silane coupling agent alcohol solution, stirring uniformly, and regulating the pH value of the mixed solution to alkalinity; sequentially soaking the polymer film in isopropanol, deionized water and the tannin-silane coupling agent solution; and after finishing the modification, taking out the film, flushing with deionized water many times, and storing in deionized water or in a dry environment at room temperature, thereby obtaining the hydrophiling-modified high-polymer film sample. The method greatly enhances the hydrophilicity and stability of the hydrophobic polymer film, has the advantages of simple modification technique and low cost, and has wide application range.

The invention relates to an ink resin composite used for plastic gravure printing and a preparation method thereof. The ink prepared from the ink resin composite is suitable for the non-polar substrates biaxially oriented polypropylene laminated polyethylene (BOPP) and polyethylene (PE) and the polar substrate polyethylene terephthalate (PET). The preparation method of the ink resin composite is as follows: the in-situ polymerization blending method is adopted to introduce alcohol-soluble polyurethane resin in a reaction system of the ink resin composite. The ink resin composite comprises the following components by weight percent: 30-50% of acetic ether, 8-25.5% of acrylate polymer, 8-25% of vinyl acetate polymer, 2.2-4.5% of styrene polymer, 1.5-2.5% of active functional polymer, 0.5-40% of alcohol-soluble polyurethane resin, 0.1-0.6% of initiator and 6-10% of alcohol diluent. The ink resin composite of the invention has simple preparation method, is green and environmentally friendly and has wide application prospect in the gravure printing ink.

The invention discloses a production method of alcoholic drink, belonging to the technical field of a production process method of an alcoholic drink which has efficacies of disease treatment, disease prevention, health protection and the like. The method comprises the steps of taking purely natural traditional Chinese medicines, corn stigmas, sweet potato stems, wheat and corns, processing, mixing with a small amount of distiller's yeasts, fermenting at proper humidity and steaming to juice which not only is a drink containing alcohol and alcohol taste, but also is alcohol with very low alcoholic strength. The alcoholic drink can be drunk by anybody and has the efficacies of disease treatment, disease prevention and health protection.

The invention relates to a healthcare compound beverage having functions of dispelling the effects of alcohol, nourishing the stomach and protecting the liver. The compound beverage is prepared from aqueous extracts of seven traditional Chinese medicines and a small quantity of honey and vitamin C, and every 1000 parts of the beverage is prepared from the following materials in parts by weight: 10-25 parts of pachyrhizua angulatus, 5-35 parts of honey tree, 5-25 parts of flower of kudzuvine, 5-20 parts of smoked plum, 10-30 parts of fingered citron, 10-25 parts of rhizoma galangae, 5-30 parts of liquorice, 5-25 parts of honey, and 1-20 parts of vitamin C. The various components of the compound beverage are scientifically matched to achieve coordinate compatibility, the effects of dispelling the effects of alcohol, nourishing the stomach and protecting the liver of the Chinese herbal medicines of pachyrhizua angulatus, honey tree, flower of kudzuvine, smoked plum, fingered citron, rhizoma galangae and liquorice are fully exerted to prevent people from suffering from symptoms after drinking of headache, dizziness, local skin allergy and gastrointestinal discomfort and achieve the purposes of mixing liquor and dispelling the effects of alcohol.

The invention relates to the use of a composition as an agent for blowing a projected biocomponent polyurethane foam, said composition including 1-chloro-3,3,3-trifluoropropane and/or 2-chloro-3,3,3-trifluoropropene and at least one additional compound selected from among hydrochlorofluoroolefins, hydrofluoroolefins, hydrochloroolefins, hydrofluorocarbons, hydrochlorofluorocarbons, hydrocarbons, substituted or non-substituted ethers, substituted or non-substituted alcohols, substituted or non-substituted aldehydes, substituted or non-substituted ketones and substituted or non-substituted esters. Said composition has a boiling point greater than or equal to 20° C. The invention also relates to a method for manufacturing polyurethane foam on the basis of the use above and moreover relates to specific compositions that are appropriate for implementing the invention.

The invention discloses a solvent-free isocyanate prepolymer, a preparartion method of the solvent-free isocyanate prepolymer and an isocyanate composition. The preparation method of the solvent-free isocyanate prepolymer comprises the following steps of carrying out dehydration treatment on a dihydric alcohol polymer, dividing the dehydrated dihydric alcohol polymer into three parts, and orderly adding the three parts of the dehydrated dihydric alcohol polymer into isocyanate monomers. The isocyanate composition comprises the solvent-free isocyanate prepolymer as a base component. Through a subsequent feeding method, the preparartion method realizes a reaction of the dihydric alcohol polymer and the isocyanate monomers so that the solvent-free isocyanate prepolymer has relatively low viscosity and a loss of an NCO effective function group of the solvent-free isocyanate prepolymer is effectively avoided. The isocyanate composition utilizes the solvent-free isocyanate prepolymer as a base component, has low viscosity and good stability, is free of a solvent, effectively reduces a cost and is environmentally friendly and safe.

The invention belongs to the field of optical thin film materials and particularly relates to a method for preparing a high-hardness antireflection film on the basis of hollow silicon dioxide. The method takes tetraethoxysilane as the raw material, polyacrylic acid as a templating agent, 2-isopropoxy ethyl alcohol and methyl alcohol as solvents together, and ammonium hydroxide as a catalyst to prepare a hollow SiO2 coating film sol through a template method, and a two-sided thin film is plated on a glass substrate through a dip-coating method. After being calcined at 550 DEG C, the antireflection film is obtained, the average light transmittance is more than 98% within the light transmittance wavelength range of 400-800 nm, and the hardness is more than 4H.