337results about How to "With clean" patented technology

The invention provides association-type non-crosslinking fracturing fluid and a preparation method thereof. The association-type non-crosslinking fracturing fluid is prepared from hydrophobic modified partial hydrolytic polyacrylamide and derivatives of the hydrophobic modified partial hydrolytic polyacrylamide serving as active ingredients, a gel breaker, potassium chloride, an optional surface active agent and water, wherein each of the molecular structures of the hydrophobic modified partial hydrolytic polyacrylamide and the derivatives of the hydrophobic modified partial hydrolytic polyacrylamide contains acrylamide monomer unit, at least one biparental unsaturated monomer unit and at least one an anion alkene unsaturated monomer unit. As the molecular structure of a thickening agent contains a biparental monomer unit, a reversible super-molecule network can be formed in an aqueous solution through intermolecular hydrophobic association, and the high viscosity and the suspending power required by the fracturing fluid can be obtained without needing chemical crosslinking. The association-type non-crosslinking fracturing fluid based on the thickening agent has the characteristics of simple composition, low residue content, low damage, low friction, shear resistance, temperature resistance and salt resistance and can turn into a new generation of fracturing fluid system for replacing guanidine gum and fracturing fluid thereof.

The present invention provides poly vinyl alcohol polar foam. Water is used as foamer and plasticizer. According to weight, water is 15 portion to 55 portion, and poly vinyl alcohol is 45 portion to 85 portion. The material are dissolved for expansion, melted and processed for foaming. The melting and processing foaming comprises a melting and extruding continuous foaming method and a molding foaming method. The poly vinyl alcohol polar foam is a plate material, sheet material, membrane or bead or square block. The poly vinyl alcohol polar foam of the present invention can be added with crosslinker, molecular composite agent, processing aid, nucleating agent and functional additive. According to the weight portion, the crosslinker is 0 portion to 2 portion, the molecular composite agent 0 portion to 10 portion, the processing aid 0 portion to 10 portion, the nucleating agent 0 portion to 5 portion and the functional additive 0 portion to 30 portion. When the poly vinyl alcohol polar foam of the present invention is used as heavy metal particles, adsorption, filtration and separation material of organic pollutant, the poly vinyl alcohol polar foam has the characteristics of rapid adsorption, easy desorption and capacity of being repeatedly washed.

A process based on ionic liquid for synthesizing biologic diesel oil features that the ionic liquid can be used as both catalyst and solvent, so speeding up the reaction. Said ionic liquid is prepared from the N or P contained compound (alkylimidazole, alkylpyredine, quaternary ammonium salt, etc) and the halide (or acidic salt) of metal or non-metal.

The present invention relates to carbon material pyrolyzing and dry distilling technology, and is especially one kind of microwave drum dry distiller and its application in dry distilling and pyrolyzing oil shale. The microwave drum dry distiller includes one microwave oven, and one inner screw drum on supporting rolls. The inner screw drum set on the microwave oven has material inlet, slag discharging barrel, gas exhausting pipe, and discharging port connected to the spiral conveyer. Granular oil shale entering to the microwave oven spirally through the inner screw drum absorbs microwave for dry distilling and pyrolysis so as to produce shale oil, fuel gas and semi-coke. The present invention has simple structure, convenient operation, fast dry distilling, high energy utilizing rate, environment friendship and other advantages.

The invention discloses a bipolar plate of a fuel cell and a method for preparing a carbon titanium nanocomposite film on the surface thereof, belongs to the technical field of surface modification of metallic materials and fuel cells, and relates to a bipolar plate of a regenerative fuel cell and a proton exchange membrane fuel cell and a preparation technology of a surface modified film of the bipolar plate. The bipolar plate consists of a metal thin plate substrate and carbon titanium nanocomposite films which are formed on the surfaces at two sides of the substrate, wherein the metal thin plate substrate is a titanium plate and a stainless steel plate; the carbon titanium nanocomposite film is an amorphous and nanocrystalline composite film which is prepared on an amorphous carbon substrate with an arc ion film plating method and on which titanium and titanium carbide nanocrystals are distributed; the thickness of the film is of micron dimension; and the size of the crystal grains of the nanocrystals is of micron dimension. The invention has the effects and advantages that: the bipolar plate is low in manufacturing cost, has prominent composite performance such as corrosion resistance, conductivity, hydrophobicity and the like, can be used for replacing a noble metal bipolar plate and a graphite bipolar plate, and can be used as a cell bipolar plate of the proton exchange membrane fuel cell and an electrolytic cell bipolar plate of the regenerative fuel cell.

The invention relates to a method for synthesizing biodiesel based on multi-sulfoacid functional ion liquid. The method is characterized by synthesizing the biodiesel through esterification reaction by using fatty acid and alcohol as standard reactants and selecting the multi-sulfoacid functional ion liquid as a catalyst. The method has the advantages of low corrosivity, high catalyst activity, clean reaction process and simple and convenient post-treatment; and the catalyst has the characteristics of high-density reactive site of liquid acid, non-volatility of solid acid and easy separation property and reusability, and waste oils contain a large amount of fatty acid, so the method of the invention can be taken as an important method for industrial use of the waste oils.

The invention discloses preparation and an application of a plasma gold/zinc oxide composite nanosheet array device. The preparation of the composite nanosheet array device is that gold nanoparticles are deposited on a zinc oxide nanorod array with an in-situ photodeposition method, and the morphology of the zinc oxide array is gradually converted into a nanosheet structure from a nanorod structure. The synthesized plasma gold/zinc oxide composite nanosheet array device is adopted for efficient photocatalytic reduction of carbon dioxide, illumination is carried out for 3 hours, and the yields of methane and ethane reach up to 95%. The preparation method of the device is simple, experimental conditions are easy to control, and the device is low in energy consumption, low in raw material price, suitable for large-batch production, very friendly to environment, high in carbon dioxide reduction rate under sunlight illumination, good in photocatalytic activity and stability and expectedly applied to actual production of solar fuel.

The invention provides a mobile energy system which comprises that: a box type semi-trailer used for connecting with a tractor, wherein the box type semi-trailer has a case body; cell energy storage system which is provided in the case body of the box type semi-trailer. In the mobile energy system, preferably, the mobile energy system also comprises an energy storage bidirectional current transformer which is provided in the case body of the box type semi-trailer and is connected between the cell energy storage system and an external system to be connected. The mobile energy system has environment friendly performance with cleanness, no pollution, low noise and the like, construction and inconvenience problems of a present fixed charging/converting station are solved, and the system can be accessed to an intelligent micro-grid as a distributed power supply.

The invention discloses a gradient thermal shock test device based on the halogen lamp cofocal heating technology.The gradient thermal shock test device comprises a test device base, a slidable rotary clamping system, a halogen lamp cofocal heating system, a cooling system, a temperature measuring system, a digital image acquisition system and an integrated control system.The test device base is used for bearing other component systems.The slidable rotary clamping system is used for clamping a sample and controlling the sample to cyclically rotate in a thermal shock test.The halogen lamp cofocal heating system and the cooling system are used for heating and cooling the sample respectively.The temperature measuring system and the digital image acquisition system are used for measuring the temperature of the front/rear face of the sample and capturing surface damage information respectively and transmitting data to the integrated control system.The defects that a traditional gas thermal shock and isothermal thermal cycle test device is high in cost and noise and low in efficiency, and cannot simulate the gradient temperature environment are overcome, and the gradient thermal shock test device is economical, safe, clean, silent and efficient.

The invention discloses a method for producing a bamboo fiber composite material. The method comprises the following steps: 1, blending a bamboo fiber with a thermofusible fiber to prepare a yarn; 2, preparing a cloth from the yarn with a weaving technology; 3, compression molding: covering a thermofusible film with the cloth, laying in a die, hot pressing, stopping heating when the bamboo fiber and the hermofusible fiber are combined with the thermofusible film, cooling to 30-70DEG C, and stopping pressurization; and 4, removing a cooled substance from the die to obtain the bamboo fiber composite material. The composite material which is prepared through mixing the natural bamboo fiber with a thermoplastic in the invention and has the characteristics of certain environmental compatibility, light mass, high dimension stability, low cost, good processing performance, and less wearing to production equipment has wide application prospects in many fields. The tensile strength, the bending strength, and the impact strength (notch) of the bamboo fiber composite material of the present invention are greater than 29MPa, greater than 42MPa, and greater than 5.9K/Jm<2> respectively.

The present invention relates to a nano-Mg-Al hydrotalcite fire-retardant EVA foaming material comprising, by weight, 60-90 parts of an ethylene-vinyl acetate copolymer with 10-22wt% of VA, 2-10 parts of a foaming agent, 0.5-1 part of a foaming accelerator, 0.3-5 parts of a coupling agent, 0.5-1 part of a crosslinking agent, 10-50 parts of a flame retardant and 0.5-2 parts of a releasing agent, and the flame retardant is nano-Mg-Al hydrotalcite. Compared with traditional metal hydroxide flame retardants, the nano-Mg-Al hydrotalcite has great advantages in improvement of the limiting oxygen index, improvement of vertical combustion performances and reduction of heat release rate and other flame retardant aspects, and is better fire-retardant inhibitor. The present invention also provides a preparation method of the foaming material, and the method is simple to operate, the foaming process is not needed to be further modified or changed, production cost can be reduced, and energy can be saved.

The invention provides a modified wood dyeing method. A modified wood board or modified wood powder is put in a dyeing container of supercritical CO2 fluid dyeing equipment for dyeing with CO2-H2O serving as a dyeing medium, disperse dye serving as a dyeing agent, the temperature of 100-140 DEG C, the pressure of 10-40 MPa and the time of 10-600 minutes. After the dyeing is finished, the CO2 and the disperse dye are recovered by reducing the pressure and the temperature so as to obtain the dyed modified wood board or the dyed modified wood powder; and the hot press molding can be further performed for the dyed modified wood powder to obtain the dyed modified wood board. The dyed wood board has such effects as rich colors, bright colors and uniform colors; and the dyeing process has such advantages as cleanness and environmental protection. The color board can be applied to the indoor or outdoor decoration engineering, can particularly serve as a beautiful decoration material in a humid environment, and has wide application prospect.

The invention provides a preparation method of a chiral sulfoxide medicament though catalysis of asymmetric oxidation of sulfides compounds. A chiral complex formed by quadridentate nitrogen organic ligand and metal manganese compound as a catalyst and hydrogen peroxide as an oxidant are used for asymmetric catalytic oxidation of prochiral thioether compound, so as to obtain the corresponding chiral sulfoxide medicament compounds including S-omeprazole, S-lansoprazole, S-pantoprazole, S-rabeprazole, R-Modafinil and R-sulindac. The reaction has the advantages of cleaness, mild reaction conditions, high conversion rate and antipodal selectivity, and shows industrial prospects.

The invention provides a method for synthesizing 1,2-cyclohexanediol by cyclohexene under selenium catalysis. The method comprises the following steps of: taking cyclohexene as a raw material, taking a selenium compound as a catalyst, and taking hydrogen peroxide as an oxidant; carrying out reaction at a temperature of 15-80 DEG C in the presence of a solvent, wherein a mole ratio of the hydrogen peroxide to the cyclohexene is (0.5-1.5): 1, the mole fraction of the selenium compound and the cyclohexene is 0.1-1 percent, and the concentration of the reaction solution based on a solvent calculation is 1-20 mol/L. Furthermore, the production can be continuously carried out by adding the raw materials for the next turn into reaction residues. After the reaction, the solvent and non-reacted raw materials are respectively recycled by distillation and a product is refined. The selenium compound is selected from diselenide, selenious acid, and phenyl, fluoro-phenyl, tolyl substitutes and the like of the diselenide amd the selenious acid. The solvent is selected from acetonitrile, water, ethanol and acetic acid. The method disclosed by the invention has the advantages of simple process flow, temper reaction conditions, and high yield (the highest yield can be up to 92 percent). The method is efficient, clean and environment-friendly and further has the characteristics of simple components in a reaction system, easiness of product purification, and easiness of recycling the solvent and the catalyst.

The invention discloses a disinfectant and its preparation method. The disinfectant comprises a compound glutaraldehyde solution and a foaming agent. Volume ratio of the compound glutaraldehyde solution to the foaming agent is 5:1. The compound glutaraldehyde solution comprises glutaraldehyde, benzalkonium chloride, double-chain quaternary ammonium salt A, double-chain quaternary ammonium salt B, a nonionic surfactant A and a nonionic surfactant B. The double-chain quaternary ammonium salt A and the double-chain quaternary ammonium salt B are different substances. The nonionic surfactant A and the nonionic surfactant B are different substances. By cooperatively using glutaraldehyde, two kinds of double-chain quaternary ammonium salts and two kinds of nonionic surfactants, the synergistic effect is achieved, effects are enhanced, and sterilization is comprehensive.

The invention discloses a brightener compound for wood floor and furniture nursing which comprises the following substance in the weight proportion of natural vegetable wax emulsion of 5-25%, polysiloxane emulsion of 0.5-10%, vegetable refined oil of 1.03-2.0%, natural resin emulsion of 0-5%, synthetic wax emulsion of 0.0-5%, colouring matter of 0.0-0.1% and water of 70-85%.The said brightener compound in the invention has a finite permeability and replenishes natural resin and vegetable refined oil into the inner of wood floor and furniture to stop the wood floor and furniture from drying crack and deforming by air drying, forms the protective film on the surface to cover and repair the lightness scratches and stop the scratches deep and blackening, and also has the characteristics of cleaning, electrostatic resistance, no dust and water resistance.

The invention relates to a bacterium and disease prevention wet wipe liquid medicament and a preparation method thereof. The active ingredients of the wet wipe liquid medicament comprise the following components in part by weight: 0.1 to 5 parts of atractylis oil, 0.01 to 0.5 part of berberine, 0.01 to 0.5 part of eucalyptus oil, 0.01 to 0.05 part of borneol, and 0.01 to 0.5 part of menthol. Experiments show that the wet wipe provided by the invention has bacterium and disease prevention functions, no irritation or side effect to skins and vaginal mucosa, aromatic scent, and better effects than the prior art, and is convenient to carry.

The invention discloses a high-power optically-focused solar thermoelectric and photoelectric composite coproduction assembly and an assembling device. The high-power optically-focused solar thermoelectric and photoelectric composite coproduction assembly assembling device comprises a high-power optically-focused solar thermoelectric and photoelectric composite coproduction assembly, a positioning assembling component, a moving lifting component, a gluing component, a catching component, a master controller, an A-B component glue-mixing component, an A-B component glue storage tank. The high-power optically-focused solar thermoelectric and photoelectric composite coproduction assembly is clean, free of noise, durable, good in heat dissipation and air permeability, and good in frequency division/light condenser integrated use. The high-power optically-focused solar thermoelectric and photoelectric composite coproduction assembly assembling device is used for processing and assembling the high-power optically-focused solar thermoelectric and photoelectric composite coproduction assembly, is convenient to operate and high in efficiency, and greatly improves the comprehensive utilization efficiency and power generation efficiency of solar energy, and reduces energy consumption and production cost.

The invention discloses a method for preparing a decorative plastic surface vacuum-coating film having effects of electromagnetic radiation resistance, static conduction, hardness improvement, color adjustment, wear resistance and worm damage resistance. The method comprises the following steps of a, cleaning the plastic surface and carrying out flattening treatment, b, sealing the plastic surface by an amino airtight resin, c, putting the plastic into a cleaning tank containing diluted acid or diluted alkali, carrying out cleaning and carrying out drying, and d, carrying out film vacuum-coating on the dried plastic surface so that metal is deposited on the plastic surface and forms a continuous and uniform film containing the metal and metal oxides. The plastic product material obtained by the method has electromagnetic shielding effectiveness above 30dB in a frequency band of 30MHz to 1.5GHz and satisfies electromagnetic shielding and static conduction requirements. The method has simple and feasible processes, is environmentally friendly and efficient, can be used at a low temperature and is suitable for industrial large-scale production. Through the film, a plastic surface color can be adjusted according to demands and plastic surface hardening, corrosion resistance, wear resistance and good appearance are realized. The method greatly broadens plastic purposes, improves a plastic grade and realizes efficient plastic utilization.

The invention relates to a preparation method of a straw-plastic composite plate. The preparation method comprises steps as follows: (1), grinding of raw materials; (2), preparation of modified straw powder; (3), preparation of a modified straw-plastic composite material; (3), profile assembly and the like. With the adoption of the preparation method, the modified straw-plastic composite material is added to a hollow plate and is tightly compacted, so that the straw-plastic composite plate is obtained. The method is simple in process and high in operability; chromated copper arsenate is adopted as a preservative, and the straw-plastic composite plate has the characteristics of cleanness, absence of odor and the like; the preservative alkaline copper quaternary does not contain chemical substances such as arsenic, chromium and the like, does not have adverse effects on the environment and cannot harm human, livestock, fish or plant; the straw-plastic composite plate prepared with the method saves straw plastics, reduces the cost, is free of the environmental pollution, is environment-friendly, does not have any harm to a human body, and is suitable for wide commercial popularization; meanwhile, the recycled waste straw can be adopted, and further, the cost is greatly reduced.