182results about How to "Does not limit the scope of protection" patented technology

A multifunctional scouring detergent with constituents (by weight percentage) of, mixed solvent 2-70, surface active agent 3-30, inorganic salt 0-10, water for the rest. The multifunctional cleaning agent can effectively remove the stains of chewing gum, scotch tape colloid residual and paint film coating.

The invention relates to an enveloping agent applied to sustained release fertilizer, using chitosan 1-10wt%, amylum 30-40wt%, vinol 45-55wt%, cross-linking agent 2-10wt%, glycerol 6-8wt%, tween 1-3wt% and NH4Cl 0.5-1.5wt% as main raw materials, reacting for 1-2 hours at pH value of 2-5 and at 85-95 deg.C to make it. Its preparation is simple and its raw material source is wide and it has no environmental pollutions.

The invention discloses aluminium hot-rolling oil, comprising 51-70wt% of mineral oil, 1-15wt% of non-ionic surfactant, 1-8wt% of phosphorous extreme pressure agent, 1-5wt% of antirust agent, 1-3wt% of mixed alcohol amine, 1-3wt% of oleic acid, 2-15wt% of polyol ester, and 0.1-0.5wt% of antifoaming agent, measured as the total weight of the hot-rolling oil. The hot-rolling oil of the invention is dedicated to rolling of aluminum strips, can meet the requirements of various rolling mills, has the effects of lubrication, rust resistance, cleaning, cooling, and the like, and can reduce environmental pollution and raise the production efficiency.

The invention discloses a preparation method of lithium bis (fluorosulfonyl) imide. The preparation method comprises the following steps: (1) in the presence of an ammonia source, an organic solvent,fluoride salt and an initial amount of sulfuryl fluoride, slowly introducing organic alkali while continuously introducing the balance of sulfuryl fluoride until the reaction is finished, and directlycarrying out reduced pressure distillation on the reaction solution to obtain an intermediate, namely the difluorosulfonyl imide salt; and (2) in the presence of an organic solvent, adding lithium oxide powder into the intermediate imidodisulfuryl fluoride salt, filtering, concentrating, adding a non-aqueous poor solvent, and crystallizing to obtain lithium bis (fluorosulfonyl) imide.

The invention provides a method for dyeing a loose fiber by a natural dye, which comprises the steps of carrying out boiling, mordant dyeing, dyeing and fixation on the loose fiber. The method selects the natural dyes with corresponding variety and amount according to the dyeing color and the depth of the dyeing to dissolve in water according to a bath ratio of 1 to 20; putting the fiber through mordant dyeing into a cylinder; raising the temperature from 30 to 100 DEG C with a speed of 2 DEG C per minutes, preserving the temperature for 30 minutes and then carrying out dyeing. The method uses the natural materials during the manufacture technique of dyeing; the content of the contaminations in the waste water generated during the manufacture process is very low, thus having the advantage on sewage treatment and according with the national environment protection policy compared with the traditional technique. The invention can be applied to various loose fiber dyeing like animal fibers, plant fibers and chemical fibers, has a broad application range and the fiber dyed by using the natural dye, has excellent color brilliance and color fastness.

The invention discloses a synthesis process for preparing (S)-2-aminobutyramide by enzymatic method. The current preparation method has problems such as high cost, low yield, and large environmental hazards. The technical scheme adopted in the invention is: using 2-aminobutyronitrile as a starting material to prepare (S)-2-aminobutyramide in one step in a buffer solution system through enzyme catalysis. In the present invention, water is used as a solvent in the main process, without using a large amount of organic solvents harmful to the environment, the whole process cost is low, and it is beneficial to large-scale industrial preparation.

The disclosed preparation method for polyalkylpolysiloxane microsphere comprises: hydrolyzing alkylpolysiloxane to produce alkylsilanol; adding surfactant and then ammonia, and polycondenzing for the product with wide size range (0.1-10 mum) and high yield (>94%).

The invention discloses a method for preprocessing coal tar. The method comprises the following steps of: mixing the coal tar and an extractant A in a mass ratio of 1:0.5-1:4, heating the mixture to the temperature of between 50 and 150 DEG C, and performing continuous centrifugal separation on the obtained mixed solution in a sedimentation type centrifuge to obtain soluble matters and impurity-containing extraction insoluble matters. The method has the advantages of good impurity-removing effect, high utilization ratio of the coal tar (over 96 percent), simple process, high automaticity, andlow labor intensity, and suitability for large-scale preprocessing of the coal tar and comprehensive utilization and deep processing of full-cut coal tar which is the byproduct in industries such as coal chemical industry, coal gasification industry and the like..

The invention refers to a kind of metal corrosion prevention paint, the paint uses aniline polymer which has carboxy on the molecular chain to carry on condensation reaction with fatty group polyatomic amine, the -COOH is condensed with amino group in polyatomic amine, the fatty group polyatomic amine is grated to the polyaniline molecular chain, produces a kind of water soluble polyamiline/fatty group polyatomic amine condensation compound type epoxy resin firming agent, the agent is built with water epoxy resin, thus gets a kind of metal corrosion protection paint, it can be applied to corrosion protection of ship, box, sea oil plat, nuclear power station.

The invention provides a negative electrode for a lithium ion battery. The negative electrode comprises a negative electrode current collector, a negative electrode active material coating which is connected to the negative electrode current collector and an insulation coating which is arranged on the negative electrode active material coating, wherein the insulation coating comprises a glass material with a capacity of guiding the lithium ions. The invention also provides a preparation method of the negative electrode and a lithium battery comprising the negative electrode. The lithium battery has high-rate charging and discharging performance and high safety and is applicable to the field of electric cars.

The invention disclosed a baffle type tray for gas-liquid mass transfer in the field of petrochemical processing to resolve the problem of low efficiency, complex structure, large investment and small processing capacity for gas-liquid mass transfer for the present float valve and baffle type tray. The tower plate (3) of the baffle type tray of the invention is composed of the down steps along the direction of the liquid flow. The sieve pore (5) or the valve orifice on which float valve is fixed are opened on each step of the tower plate (3). A oblique downwards arc skirt plate is mounted on the top of the arc where the highest step tower plate (3) intersects with the wall (1) of the tower under the tower plate (3). The invention may be used in the rectification tower, absorber, thionizer and regeneration tower, etc.

The invention discloses an injectable self-solidifying calcium phosphate bone-repairing material and making method, which consists of solid phase and liquid phase, wherein the solid phase contains 0.2-2.0% degeneration starch, 0-15% beta-dicalcium silicate powder, 0-15% strontium and bismuth compound and 0-30% macromolecular microball or microcapsule; the liquid phase is composed of one or more composition of deionized water, diluted phosphoric acid, physiological saline, blood, soluble phosphate solution and organic acid; the rate of liquid phase and solid phase is 0.3-1.2ml/g.

The invention belongs to the field of environmental protection; and aiming at problems of high quantity, complex components and no proper process treatment of mercury-contained tailings generated by nonferrous metal mines and nonferrous smelting enterprises in a production process, the invention discloses a method for recovering mercury from the mercury-contained tailings through complexing extraction and consolidating decomposition. The method comprises the following steps: the complexing extraction is performed for the mercury-contained tailings by adopting mixed solution of thiosulfate and selenium generation of sulfate, so that transfer-state mercury in the mercury-contained tailings is transferred into leaching agent; and the consolidating decomposition is performed for the mercury in the leaching agent and a complex, formed by a thiosulfuric acid radical and a selenium generation of sulfuric acid radical, through a method of heating and feeding carbon dioxide gas, so that the mercury is finally converted to stable mercury sulfide/mercury selenide to form precipitates. The method is simple in operation; and the transfer-state mercury in the mercury-contained tailings is converted to a form of mercury sulfide and/or mercury selenide precipitates with low solubility, high stability and low toxicity, so that the pollution harm of the mercury in the mercury-contained tailings to environment is effectively reduced.

The invention discloses a luminous paint for jet-printed advertisements, which consists of the following components in part by weight: 2 to 4 parts of toluene diisocynate; 6 to 8 parts of rare earth luminescent powder; 35 to 40 parts of acrylic resin, 0.1 to 0.2 part of organic argil; 5 to 10 parts of methylbenzene; 4 to 5 parts of butyl acetate; 2 to 8 parts of propylene glycol; 2 to 8 parts of n-butyl alcohol; 0.2 to 0.4 part of dioctyl phthalate; and 0.4 to 0.6 part of fatty acid polyglycol ester. The components are uniformly mixed, are milled in a ball mill for 1 to 2 hours and are then dispersed in a high-speed dispersion machine for 10 to 20 minutes, and thereby the luminous paint for jet-printed advertisements is prepared. The cost of the luminous paint for jet-printed advertisements is low, and the luminous paint for jet-printed advertisements can emit light at night.

The invention aims at solving defects such as low light oil yield, high foam layer, and high coke yield of prior arts, and discloses a delayed coking method. The method is characterized in that: a mixed raw material is heated in a heating furnace; the heated hot material flow enters a primary hydrocyclone, such that a gas phase (1) and a mixed liquid phase (1) are obtained; the gas phase (1) is quenched and is delivered into a fractionation column; high-temperature steam is injected into the mixed liquid phase (1), and the mixture is delivered into a secondary hydrocyclone; the secondary hydrocyclone separates the mixed liquid phase (1) into a gas phase (2) and a mixed liquid phase (2). The gas phase (2) is delivered into a fractionation column; high-temperature steam is injected into the mixed liquid phase (2), and the mixture is delivered into a coke column; coke is discharged from the bottom of the coke column, and reaction oil gas is delivered into the fractionation column.

The invention discloses a novel traditional Chinese medicinal composition for treating traumatic injury and rheumatism paralysis and belongs to the field of traditional Chinese medicaments. The traditional Chinese medicinal composition comprises the following components in part by weight: 2 to 6 parts of clematis root, 2 to 6 parts of acanthopanax bark, 0.5 to 4 parts of common floweringquince fruit, 2 to 6 parts of safflower, 4 to 12 parts of frankincense, 1 to 5 parts of India madder root, 2 to 6 parts of pangolin scales, 3 to 8 parts of nux vomica, 1 to 5 parts of common monkshood mother root, 0.5 to 4 parts of curcuma longa, 1 to 5 parts of peach seed, 2 to 6 parts of twotooth achyranthes root, 2 to 6 parts of common burreed rhizome, 2 to 6 parts of tribulus fruit, 0.5 to 4 parts of white mustard, 2 to 8 parts of largeleaf gentian root, 1 to 5 parts of aralia fargesii, 4 to 12 parts of myrrh, 3 to 8 parts of trogopterus dung, 1 to 5 parts of radix cocculi, 1 to 5 parts of zedoary, 2 to 6 parts of beautiful sweetgum fruit, 3 to 9 parts of szechuan lovage rhizome, 2 to 8 parts of common clubmoss herb and 2 to 6 parts of obscured homalomena rhizome. Clinical curative effect observation and experiments prove that the traditional Chinese medicinal composition has obvious curative effects on diseases such as traumatic injury, rheumatism paralysis, lumbus wrenching and waist pain, omarthritis and the like.

A grinding-promoting and strengthening agent of cement is prepared from triethanolamine (0.8-5 Wt portions), anhydrous sodium sulfate (20-30), powdered coal ash (10-18), sodium carbonate (6-10), sodium chloride (25-33), gypsum (18-25) and sodium carbonate (8-15).

The invention discloses a water-based cleaning agent of pressure-sensitive adhesive residues, which is characterized by the following: it is composed by 10-25% benzoic alcohol, 1-5% surfactant, 1-5% glyceryl alcohol, 0-10% organic aids and water. This invention possesses merits of low volatility, strong penetrability, safety, fast cleaning speed, low volatility and without toxic.

A process for preparing erythromycin from erythromycin salt by dynamically controlled coystallizing method in which the temp and stirring intensity are varied includes beginning crystallizing at high temp under strong stirring, educing crystal by varying stirring intensity and nursing crystal by varying stirring intensity and continuously cooling. Its advantage is high purity.

The invention relates to a method for preparation of 4, 4í»-diaminodiphenyl oxide, which belongs to the sphere of the fine chemical technology. The 4, 4í»-dinitrodiphenyl oxide performs the reaction of catalysis, hydrogenization and reduction in the alcoholic solvent with the help of the catalyst and the crude 4, 4í»-diaminodiphenyl oxide is gained after the crystallization action. The product of 4, 4í»-diaminodiphenyl oxide is obtained by recrystallization purification of the said crude 4, 4í»-diaminodiphenyl oxide. It is characterized in that it adopts the technique of catalysis, hydrogenization and reduction, optimizes the manufacturing process, is of low cost, slight pollution to the environment, good product quality, high yield rate, strong marketable competitive power, so it is easier for industrial extension application than the traditional reduction with iron powder-hydrochloric acid.

The invention relates to a resin-based composite material for a cable bracket or a fixture and a preparation method of the resin-based composite material. The resin-based composite material is characterized by being prepared from the following raw materials in percentage by weight: 10-30% of 191 resin, 6-20% of styrene, 0.1-0.8% of initiator, 0.5-3% of lubricant, 60-85% of filler, 0.1-1% of antiager and 8-16% of reinforcement fibers. The preparation method is as follows: weighing the raw materials according to the weight ratio; adding the raw materials into a container according to a feeding sequence of (1) the 191 resin and the reinforcement fibers, (2) the filler, the lubricant and the antiager, (3) the styrene and the initiator, maintaining the temperature at 60-100 DEG C and the rotating speed at 800-2000 r/min (revolutions per minute), and mixing the raw materials; discharging; and pouring and curing. A special resin-based composite material for cable bracket or fixture is designed and prepared through advanced and reasonable materials in the invention, and the composite material is excellent in corrosion resistance, mechanical property and electric property and low in material cost and has less possibility of being stolen, so that the composite material can be used for preparing cable brackets or fixtures meeting various environmental demands.

The invention provides a water retention agent and the application thereof in jatropha curcas forestation in arid-hot river valleys, pertaining to the technical field of plant growing. The invention comprises cultivation plots selecting, ponds digging, applying of the water retention agent and field plating. The Chinese commodity name of the water retention agent of the invention is Tudihanbaobei water retention agent, the cultivation plot is barren mountains and barren slope lands without water conservancy and irrigation; field planting is conducted in May to October, the rain season; the size of the dug planting pond is 80 cm multiplied by 80 cm multiplied by 80 cm <3>; base fertilizer comprising 2 kg to 4 kg of well-rotted farmyard manure, 0.5 kg of calcium superphosphate and 0.5 kg of potassium sulfate is fertilized in each planting pond and a nursery stock is placed in the planting pond, 20 g to 30 g of water retention agent granules are put at the root of the nursery stock and then the soil is backfilled in the planting pond. The application of the water retention agent of the invention solves the problem of the low survival ratio of forestation in arid-hot river valley areas by adopting the traditional method of jatropha curcas artificial forestation; utilization of the invention can ensure that the survival ratio of jatropha curcas forestation in arid-hot river valleys reaches 95 percent to 98 percent, raising by 22.22 percent compared with the contrastive survival ratios on average, thus improving the yield and the benefit of forest lands.

The invention belongs to the technical fields of biology and chemical industry and aims to provide a device and a method for continuously preparing methyl ethyl ketone by liquid phase dehydration of 2,3-butanediol. The method comprises the following step of carrying out liquid phase dehydration reaction on 2,3-butanediol in a reaction rectifying tower based on organic sulfoacid as a catalyst so as to prepare methyl ethyl ketone. According to the invention, the catalyst is not inactivated, has good stability and can be continuously used; the conversion rate of 2,3-butanediol is more than 95%, and the yield of methyl ethyl ketone is more than 91%. The method for producing methyl ethyl ketone has the advantages of simple process flow, mild reaction conditions, low production cost and the like, is environmentally friendly, and is a new method by which industrial production is easy to achieve.

An environment protection type composite water-treating agent is prepared from poly-aspartic acid, RE material ECH, molybdate, benzotriazazole and Zn salt. Its advantages are low corrosion, poison and nutrition, and high safety.

The present invention discloses one kind of water treating agent with corrosion inhibiting and scale inhibiting effect. It includes tungstate, acrylic acid-acrylic ester copolymer, polypropenyl sulfonate and benzotriazole. It has both corrosion inhibiting and scale inhibiting effects, no environmental pollution and no harm to human body, and is one kind of environment friendly green water treating agent.