90results about How to "Process conditions are not harsh" patented technology

The invention discloses a flower-shaped mesoporous titanium dioxide material and a preparation method and application thereof. The material is prepared by the following method: 1) adding a template agent into a diluent, adding concentrated hydrochloric acid, and stirring evenly; 2) adding a titanium source into the solution, and stirring; 3) placing the solution in the conditions of the relative humidity above 60% at the temperature of 40-80 DEG C for 12h-24h, crystallizing at 80-90 DEG C for 6-12h; and 4) refluxing a sample to remove a surface active agent, and drying to obtain the flower-shaped mesoporous titanium dioxide. According to the method, high-temperature calcinations is not needed, the reaction synthesis temperature is lower than 100 DEG C, and the obtained flower-shaped mesoporous titanium dioxide material has the advantages of good monodispersity, high specific surface area and controllable crystalline phase and the like. The flower-shaped mesoporous titanium dioxide material can be used for negative electrode materials of a lithium ion battery, has high charge and discharge specific capacity, stable cycle performance, excellent high rate performance and very good photocatalytic activity, and can be used in the fields of degradation of organic pollutants, photocatalytic water splitting for hydrogen production, dye-sensitized solar cells and the like.

The invention discloses a polyethylene cable material. The polyethylene cable material is characterized by comprising the following components: 20 to 80 parts of linear low-density polyethylene, 20 to 80 parts of low density polyethylene, 1 to 5 parts of a catalyst--a dibutyl tin laurate compound, 1 to 3 parts of an anti-oxidant 300, 0.4 to 2 parts of a silicane cross-linking agent--vinyltrimethoxy silane, 0.01 to 0.04 part of an initiator--dicumyl peroxide and 1 to 4 parts of a water supplying agent. A preparation method for the polyethylene cable material comprises the following steps: preparing a catalyst master batch by extruding linear low density polyethylene, low density polyethylene, the anti-oxidant and the catalyst with a single screw; and putting linear low density polyethylene, low density polyethylene and the catalyst master batch in an enclosed mixer, carrying out vacuum-pumping and drying under a heating condition, then allowing the silicane cross-linking agent and the DCP initiator to penetrate into polyethylene through gasification, controlling the rotating speed and time of the enclosed mixer and carrying out discharging and vacuum packaging so as to obtain the one-step silicane cross-linked polyethylene cable material.

The invention discloses a method utilizing nitric acid type solder stripping waste water to synthetize zinc hexahydroxystannate, which comprises the following steps that: (1) strong electrolyte and settling agent are added in the nitric acid type solder stripping waste water, so the tin compound in the waste water is precipitated, and then the tin sludge is obtained through filtration; (2) the obtained tin sludge is reacted with the concentrated hydrochloric acid to make the tin sludge convert into the tin ionic condition; (3) the tin ion which is in the ionic condition is reacted with the zinc salt under a certain condition to synthetize the zinc hexahydroxystannate compound; (4) the solution is cooled to the room temperature after the reaction is completed, the supernatant liquor is removed through centrifugal separtion, so the obtained material is cleaned via the distilled water; and (5) after the cleaning, the final zinc hexahydroxystannate is obtained through filtration and drying at intermediate temperature. No harmful substances to the environment are generated during the whole synthetization process, and the obtained material is the synthetic material of an environment-friendly plastic fire retardant, a smoke inhibitor and a sensor. The purposes of resource cyclic utilization, low emission and green and environmental-friendly production are realized.

The invention discloses a gallate luminous material and a prepration method thereof, the chemical formula of the gallate luminous material is La1-xGaO3: Lnx, My, wherein Ln is one or two of Tm 3+, Tb 3+, Eu 3+ and Sm 3+, M is one of Ag, Au, Pt and Pd, y is the molar ratio of La1-xGaO3: Lnx, the value range of x is 0.001-0.1, and the value range of y is 0.00002-0.01. The sol-gel method is adopted for preparing the gallate luminous material, the process is simple, the process conditions are easy to achieve, the quality of a prepared product is high, and the obtained gallate luminous material can greatly improve the luminous efficiency and have excellent luminous performance.

The invention relates to a multi-doped half-load type Fenton-assisting titanium dioxide photochemical catalyst as well as a preparation method and an application method. La, Fe and N are doped so that TiO2 has visible light response. The load of ACF (Active Carbon Fiber) overcomes the disadvantages of difficult recovery and generation of second pollution of the TiO2. The creative addition of half-load type Fenton reagent solves the problems of low photocatalytic efficiency of the TiO2, large consumption of Fe<2+> of the traditional Fenton reagent, incapability of keeping concentration in flowing water, and the like. In the preparation method of the photochemical catalyst, tetra-n-butyl titanate is taken as a TiO2 precursor, absolute ethyl alcohol is taken as a solvent, and viscose-based activated carbon fibers are taken as carriers. The photochemical catalyst is prepared through drying, ultrasound processing, and calcining at a constant temperature. In the application method, ultraviolet light and visible light are taken as an excitation light source in a light-catalyzed reaction, the adding concentration of the photochemical catalyst is from 10 to 20g / L, and the adding concentration of hydrogen peroxide is from 10 to 30 mM. The photochemical catalyst has the advantages of simple preparation, high catalytic activity, easy recovery and visible light activity, and provides a basis for industrial applications.

The invention provides a hollow silicon dioxide nanometer sphere and a preparation method and application thereof. The preparation method of the hollow silicon dioxide nanometer sphere comprises the following steps that 1, a silicon source precursor is added into a solution containing a carbon sphere template agent, a catalyst, a dispersing agent and a surface active agent for a stirring reactionfor 3-4 h; the dispersing agent is ethyl alcohol and water; 2, the solution obtained in step 1 is subjected to a hydrothermal reaction under the temperature of 150-200 DEG C. The preparation method can obtain the hollow silicon dioxide nanometer sphere containing communicated macropore and mesopore structures, and the hollow silicon dioxide nanometer sphere is of the grading hole structure and isin a raspberry shape. The preparation method is easy and efficient to implement.

The invention discloses a method for preparing a doped titanium dioxide photocatalyst. The method takes tetra-n-butyl titanate as a titanium source, nickel acetate or nickel nitrate as a nickel source, absolute ethyl alcohol as a solvent, and ethanoic acid or nitric acid as a inhibitor to obtain the doped titanium dioxide photocatalyst through drying and calcination. The photocatalyst has high photocatalytic activity in the presence of sunlight and can decompose organic pollutants in dye wastewater. The method has simple preparing process and low requirements on equipment conditions, and can realize industrial production.

Compound amur cork-tree temperature-sensitive gel for treating sore and ulcer and traumatic infection and a preparing method thereof are provided. The temperature-sensitive gel comprises 5-15% by weight of a compound amur cork-tree extract liquid, 18-20% by weight of poloxamer 407, 1.5-2.5% by weight of poloxamer 188, 5-10% by weight of propylene glycol, 5-10% by weight of glycerol, 0.5-1% by weight of ethyl p-hydroxybenzoate and 41.5-65% by weight of distilled water. A problem that gel structures are irreversibly destroyed because traditional Chinese medicine extracts at present are complex in components and react with base auxiliary materials, or because traditional Chinese medicine extract liquids are hypertonic systems and cause exosmosis of water in gel substrate network structures is overcome. A gel substrate adopted can be primarily determined according to physical and chemical properties and dosage forms of effective components.

The invention relates to a web-type three-dimensional perforated macroporous-mesoporous-structure titanium dioxide material, and a preparation method and application thereof. The material is formed by regulating the self-assembly of biomolecules; the crystal form is anatase; on the basis of the macroporous structure formed by accumulation of titanium dioxide particles, the embedded mesopores are regulated on the macroporous structure, and the pore wall and particles thereof, thereby forming the three-dimensional perforated macroporous-mesoporous structure; and the pore size of the macropores is 90-100nm, the pore wall thick is 8-10nm, and the pore size of the mesopores distributed in the titanium dioxide particles is 3-5nm. Compared with the prior art, the material provided by the invention has the advantages of simple preparation process and non-severe technological conditions, and can implement large-scale industrial production; and the method is safer and cleaner to operate. The material has the special macroporous-mesoporous perforated pore structure, and thus, is beneficial to transfer and embedment of lithium ions, thereby enhancing the electrochemical properties. The material obtains higher reversible capacity and excellent cycle performance.

The invention discloses an alumina manufacturing method through leaching clay by citrate, which is characterized by the following: adopting organic citrate as leaching agent to leach the sintered aluminium in the clay; filtering to remove the leached slag; cooling and stewing the leached liquid; sedimenting the aluminium citrate; sintering the aluminium citrate through high temperature to produce the alumina product; circulating the leaching liquid with little polluting discharge.

The invention belongs to the technical field of traditional Chinese medicine preparation, and provides a traditional Chinese medicine hydrogel patch capable of treating chemotherapeutic phlebitis, anda preparation method thereof in order to solve the technical problems that an original compound Tengzhigao has certain potential safety hazards, is inconvenient in use, is inaccurate in dosages, causes skins to be greasy, is difficult in cleaning and the like. A medicine-carrying hydrogel matrix is prepared by mixing caulis sargentodoxae, radix angelicae dahurioae, bulbus fritillariae thunbergii,phellodendri chinensis cortex, radix rhei, radix aucklandiae, olibanum, myrrha, borneol and menthol at a certain ratio and adding skeleton materials, tackifier, humectant, cross-linking agents, crosslinking modifiers, filling agents, pH conditioning agents and distilled water, and then, the medicine-carrying hydrogel matrix is processed through steps of coating, cutting and standing to obtain thetraditional Chinese medicine hydrogel patch. The patch disclosed by the invention is pasted to chemotherapeutic phlebitis local skins, performs a targeted therapy function through the performing of the active ingredients of a long-acting slow release medicine, has the advantages of being convenient in use, comfortable in skin feelings, free from greasy feelings, free from irritation for skins, free from allergy and the like, and is an ideal external medicine preparation for treating the chemotherapeutic phlebitis.

The invention provides compound cortex phellodendri liquid coating mouthwash gel. The mouthwash gel comprises, by weight, 0.1 to 10% of chitosan, 0.1 to 2% of carbomer, 2 to 40% of glycerin, 0.05 to 0.1% of ethylparaben, 0.5 to 4.0% of triethanolamine, 2 to 10% of propylene glycol, 0.5 to 5% of Tween-80 and the balance of compound cortex phellodendri medical extract. The compound cortex phellodendri extract is prepared from a mixed liquid of medical plant extract and centipede enzymatic hydrolysate through cryoconcentration. According to the physical and chemical properties of effective components in the compound cortex phellodendri liquid and dosage forms, the gel matrix is preliminarily determined. The mouthwash gel can inhibit a variety of bacteria, forms a cured film on the ulcer surface to effectively isolate pathogens, has effects of diminishing inflammation, easing pain and promoting healing and can produce good curative effects on dental ulcer caused by radiotherapy and chemotherapy.

The invention provides a low-thermal-expansion-coefficient type waste plastic composite sleeper. The low-thermal-expansion-coefficient type waste plastic composite sleeper comprises 100 parts of baseresin, 35-55 parts of a thermal expansion coefficient modifier, 5-10 parts of a compatilizer, 30-60 parts of a flame retardant, 45-70 parts of a reinforcing filler, 0-1 part of an anti-ultraviolet additive, 0-2 parts of an antioxidant, 1.0-2.5 parts of a coupling agent, 0-3 parts of a lubricant and 0-4 parts of a foaming agent. The invention provides a method for overcoming the defects that thermoplastic resin is large in molding shrinkage, large in thermal expansion coefficient and the like, and the prepared plastic sleeper is low in thermal expansion coefficient. A large amount of waste plastic is used, so that the problems of white pollution and energy are solved to a certain extent, and meanwhile, the environment is protected; the thermal expansion modifier is utilized to lower the thermal expansion coefficient of the plastic composite sleeper, improve the molding shrinkage of the plastic sleeper and widen the application range of the plastic sleeper under harsh temperature environment conditions. The method is not harsh in process conditions, simple in steps and easy to implement.

The invention belongs to the field of luminescence materials, and discloses a calcium stannate europium luminescence material having a hollow structure, and a preparation method thereof, wherein the structure general formula of the luminescence material is Ca2-xSnO4:Eux, and x is more than 0 and is less than or equal to 0.05. According to the calcium stannate europium luminescence material having the hollow structure, the dispersed carbon spheres are adopted as the template so as to obtain the hollow structure having the spherical calcium stannate europium, such that the morphology can be controlled, and the luminescence efficiency is enhanced.

The invention discloses a manufacturing method of aluminium citrate through clay ore, which comprises the following steps: grinding the clay ore; balling; sintering; immersing through citrate; removing slag; stewing; sedimenting; evolving; filtering; obtaining the product.

The invention discloses a preparation method of flufenacet, and belongs to the technical field of pesticide preparation. The method comprises the steps: adding 2-hydroxy-N-(4-fluoroaniline)-N-(1-methylethyl)acetamide into an alkali-containing organic solvent A, dropping 2-chloro-5-trifluoromethyl-1,3,4-thiadiazole into the reaction liquid, carrying out a reaction at room temperature, adding an organic solvent B, extracting, washing with water, drying, and concentrating to obtain a crude product flufenacet; and refining the crude product to obtain the pure product flufenacet. The preparation method has the advantages that the required raw materials are easy to obtain, less pollution to the environment exists, the synthesis is simple and convenient, the process conditions are not harsh, the yield can reach more than or equal to 85%, the purity can reach more than or equal to 98%, and the preparation method is suitable for industrialized production.

The invention discloses a method for preparing high-purity nanometer copper by using printed circuit board alkaline etching waste liquid. The method is characterized by including the following steps: a. taking an appropriate amount of alkaline etching waste liquid and putting the liquid into a centrifuge tube to conduct high-speed centrifugation, adding upper-layer clarified liquor in the centrifuge tube into an ammonium hydroxide adjusting solution, and adding a surface active dispersing agent into the solution to obtain a reactant A; b. preparing a solution B containing hydrazine hydrate, sodium hydroxide and a nanometer copper dispersing accelerant, heating and stirring, and adding the reactant A into the solution B dropwise slowly to conduct reaction; c. cooling to the room temperature after the reaction is finished, transferring to the centrifuge tube to conduct high-speed centrifugal separation and collecting lower-layer solution after separation; d. washing the obtained solution containing high-purity nanometer copper by using absolute ethyl alcohol, and after the last washing, transferring an alcoholic solution containing the nanometer copper into a vacuum rotary evaporator to extract nanometer copper powder. The method is easy to operate and free of large energy consumption and can conduct large-scale production under the existing conditions.

The invention belongs to the field of luminescent materials, and discloses a samarium-doped hollow-structure Sr2CeO4 luminescent material and a preparation method thereof. The chemical general formula of the luminescent material is Sr2-xCeO4:Smx<3+>, wherein x is the molar number of Sm<3+> replacing Sr ion, and 0<x<=0.2. According to the provided samarium-doped hollow-structure Sr2CeO4 luminescent material, dispersed carbon small spheres C are taken as a template, and the obtained Sr2CeO4 luminescent material has a spherical hollow structure, and is controllable in morphology and improved in luminescent efficiency.

The invention discloses a method for preparing high-concentration phosphoric acid by raffinate phosphoric acid, comprising the following steps of: taking raffinate phosphoric acid as raw acid, settling and filtering, collecting filtrate, carrying out de-magging and defluorination pretreatment, carrying out reduced pressure concentration, and obtaining phosphoric acid product. The method disclosed by the invention has simple process, unharsh technological conditions and easy control. H3PO4 content of the raw acid is lower and the raw acid contains more impurities, but cost is relatively low; high-concentration phosphoric acid is prepared while product cost is reduced, the product can be taken as fertilizer additive or raw material used for producing high-concentration fertilizer and also can replace orthophosphoric acid and polyphosphoric acid, thus be widely used, and a product with higher additional value can be produced.

The invention discloses washing liquor for an operation and a method for preparing the same, which belong to the technical field of medicaments for medical operations. Each 1,000 g of washing liquor finished product comprises 0.08 to 0.16 g of silver powder, 0.3 to 0.5 g of stabilizing agent, 0.3 to 0.5 g of suspending agent, 0.2 to 0.3 g of ternary acid, 6 to 8 g of bactericide and the balance of water. The technical scheme provided by the invention has the advantages of strong effect, controlled release, strong broad-spectrum antibacterial property and permeability, wound healing promotion, no drug resistance, contribution to tissue repair and regeneration and scar formation prevention, safety, no toxicity and no irritation; therefore, the washing liquor is suitable for washing in the operation. The preparation method of the invention has fewer steps and easy process condition, and is favorable for industrial scaled-up production.

The invention belongs to the field of luminescent materials and discloses a lanthanum calcium gallate luminescent material and a preparation method thereof. The lanthanum calcium gallate luminescent material has a general molecular formula of CaLa1-xGa3O7: Dy<3+>@My; and in the general molecular formula, M represents at least one of Ag, Au, Pt, Pd and Cu nanoparticles, @ represents coating, the M metal nanoparticle is used as a core, CaLa1-xGa3O7: Dy<3+> is used as a shell, x is >0 and <=0.2, and y is > 0 and <= 1*10<-2>. Through use of the M metal nanoparticles, the luminescence efficiency of the lanthanum calcium gallate luminescent material is greatly improved under the same excitation condition and emitted light wavelength is not changed. The lanthanum calcium gallate luminescent material has good luminescence performances and color purity and brightness of the excited emitted light are high.

The present invention discloses an anti-aging high-temperature-resistant silane crosslinked polyethylene cable material. The anti-aging high-temperature-resistant silane crosslinked polyethylene cable material is characterized by being prepared from the following raw materials in parts by weight: 100 parts of high-density polyethylene, 15-20 parts of nylon 6, 12-15 parts of polyvinyl alcohol fibers, 1.4-2.7 parts of nanotin antimony oxide, 0.2-0.4 part of an anti-aging agent MB, 4.5-6.5 parts of triallyl isocyanurate, 2.3-3.5 parts of maleic anhydride, 16-21 parts of plant ash, 40-50 parts of a silica sol, 2-4 parts of aluminum potassium sulfate, 1.1-2.2 parts of calcium sulfate, 0.7-0.9 part of bismuth titanate, 15-18 parts of triethoxyoctylsilane and an appropriate amount of water. The tearing resistance of the cable material can be improved by adding the polyvinyl alcohol fibers; a net structure formed by cross-linking triethoxyoctylsilane with polyethylene is added, so that oily substances can be effectively prevented from permeating and diffusing into blending material molecules so as to show a good barrier property, and are blended with modified nylon 6; moreover, the cable material prepared by adding other effective auxiliaries has the characteristics of being anti-aging, high-temperature-resistant, high in crosslinking speed, short in process step and unharsh in process condition.

The invention discloses a bismuth and zinc doped titanium dioxide photocatalyst and a preparation method thereof.The preparation method of the photocatalyst comprises the steps that titanyl sulfate, bismuth nitrate and zinc nitrate solvents are heated, filtered, washed, dried and calcined.The molar ratio of bismuth to titanium is 0-3%, and the molar ratio of zinc to titanium is 0-5%.The prepared bismuth and zinc doped titanium dioxide photocatalyst achieves visible light absorption within the range of 400 nm to 600 nm, and has good visible light photocatalytic degradation efficiency on gas phase methylbenzene.

The invention discloses a metal nanoparticle-doped columbate luminescent material and a preparation method thereof, belonging to the field of luminescent materials. The general chemical formula of the luminescent material is Gd2-xScNbO7:Eux,My, wherein M is at least one selected from metal nanoparticles consisting of Ag, Au, Pt, Pd and Cu, x is more than 0 and no more than 1.5, and y is the mol ratio of M to Gd2-xScNbO7:Eux and is more than 0 and no more than 1 * 10<-2>. In the metal nanoparticle-doped columbate luminescent material, the M metal particle is introduced, so the columbate luminescent material has greatly improved luminous efficiency under same excitation conditions, the wavelength of emitted light is not changed, color purity and luminance of light emitted under excitation are high, and the columbate luminescent material can be applied to field emission devices.

The invention relates to a method for processing patterns on a sunlight fabric, which comprises the following steps of: selecting base cloth: selecting a fabric produced by weaving plastic-coated polyester yarns or plastic-coated fiber glass yarns; manufacturing a die roller: processing a pattern with three-dimensional features on the surface of the roller body the material of which is metal, and installing an electric heating device in the roller body to obtain the die roller; imprinting: firstly, installing the die roller on a marking press, connecting the die roller with the transmission mechanism of the marking press and configuring a rubber roll above the die roller; leading the base cloth to the position between the die roller and the rubber roll; driving the die roller to work and switching on the electric heating device to imprint the base cloth; controlling the pressure of the die roller, the heating temperature of the electric heating device and the speed of the base cloth to form a pattern which is the same as the pattern on the die roller on the base cloth; and cooling and then rolling to obtain the sunlight fabric with the pattern. The sunlight fabric can be used as a white-headed indoor window decoration; and the invention has fewer processing steps and easy process conditions.

The invention belongs to the field of luminescent materials, and discloses a gadolinium ion doped hollow-sphere-structural garnet system luminescent material and a preparation method thereof; the general chemical formula of the luminescent material is Y3-x(Al1-yGay)5O12:Gdx<3+>, wherein x is in the value range of 0 < x<=0.45, and y is in the value range of 0 <= y<=1. By use of dispersed carbon spheres C as templates, the prepared garnet system luminescent material is in a spherical hollow structure, is controllable in morphology, can effectively reduce the use amount of rare earth metals, reduces the product cost, and saves precious rare earth resources in large quantities.

The invention discloses an entomogenous fungi pulvis for controlling pine greedy scale and a production method and usages thereof. The entomogenous fungi pulvis for controlling pine greedy scale is formed by adopting a strain of Pestalotiopsis olivacea to process a culture through primary solid strain culturing, secondary liquid culturing and third solid culturing. The production method thereof comprises the following steps of: 1) the primary solid strain culturing; 2) the secondary liquid culturing; 3) the third solid culturing; 4) naturally drying a semi-finished product in the shade until the water content rate is between 10 and 14 percent; 5) using a cracker to crack and requiring the grain diameters to be between 0.2 and 0.5cm; and 6) packaging. The entomogenous fungi pulvis for controlling pine greedy scale is mainly used for controlling pine greedy scale, and can also be used for controlling Oracella acuta and is suitable for both draught areas and humid areas.

The invention belongs to the field of luminescent materials, and discloses a fluoride phosphate matrix luminescent material and a preparation method thereof, the chemical general formula of the luminescent material is Na2Gd1-xPO4F2:Tbx<3+>,My; wherein M is at least one of Ag, Au, Pt, Pd and Cu, x is greater than 0 and less than or equal to 0.4, y is molar ratio of Na2Gd1-xPO4F2:Tbx<3+>, and y is greater than 0 and less than or equal to 1*10<-2>. By introduction of M metal nanoparticles, fluorescent powder luminescence can be increased by doping the M metal particles, and luminescence efficiency of the fluoride phosphate matrix luminescent material can be improved greatly in same excitation conditions without change of emitted light wavelength.

The present invention discloses a traditional Chinese medicine cataplasm for preventing and treating phlebitis, which comprises traditional Chinese medicine and ground substance. The traditional Chinese medicine is mainly composed of the following bulk drugs in weight ratio: 1%-10% of rhubarb, 1%-10% of phellodendron, and 1%-10% of magnolia officinalis. The present invention also discloses a preparation method of the traditional Chinese medicine cataplasm. The traditional Chinese medicine cataplasm of the invention has remarkable effect in eliminating inflammation, relieving pain, activating blood circulation and dissolving blood stasis. The traditional Chinese medicine cataplasm is suitable for preventing and treating phlebitis caused by veinal medicine application of chemical therapy medicament.

The embodiment of the invention provides modified acrylic resin for automobile paint, a preparation method and automobile primer-topcoat paint. A main chain of the modified acrylic resin comprises structural units A, B and C, wherein the structural unit A is hydroxyl-containing methacrylate, the structural unit B comprises a structure of substituted styrene, and the structural unit C comprises a structure of vinyl silane. The preparation method of the modified acrylic resin provided by the embodiment of the invention has the advantages of simple steps, non-harsh process conditions and low equipment requirement. Besides environmental friendliness, the automobile primer-topcoat paint provided by the embodiment of the invention has the advantages of easy construction, good paint film performance, high hardness, high adhesive force, high glossiness and good weather resistance.