38results about How to "Easy to prepare and effective" patented technology

The invention relates to a conduction macromolecule polyaniline nanometer fiber manufacturing method. It includes the following steps: respectively dissolving aniline and oxidant in acid with water medium; mixing them with action of ultrasonic wave, and controlling temperature at-5 to 30 centigrade degree to do aniline polyreaction; gaining doping state polyaniline nanometer fiber when it finishes; removing the water and solubility impurity; drying; using ammonia liquor to neutralize the doping state; filtering; washing; drying; gaining eigenstate polyaniline nanometer fiber; processing it by dopant to gain conduct state; drying to gain powdery purpose. The invention adopts ultrasonic wave in polyreaction to gain polyaniline fiber with 20-100nm diameter, 500-5000nm length. The method has simple operation, and high yield.

The invention relates to an electrolytic extraction and detection method of nonmetallic inclusion in steel by utilizing an organic solution. The method comprises the following process steps: (1) preparing electrolyte; (2) preparing and electrolyzing a steel sample: soaking the steel sample containing the inclusion into the electrolyte in an electrolytic cell; arranging a salt bath beside the electrolytic cell; erecting a salt bridge between the salt bath and the electrolytic cell; inserting a calomel electrode into the salt bath; inserting a calomel electrode in the salt bath; using the positive electrode of the steel sample, connected with a direct current stabilized power supply, as the anode, using a platinum wire as an electrolysis cathode, charging inert gas, particularly referring to argon; and (3) separating: pouring the electrolyte left after the electrolysis of the steel sample in the step (2) into a funnel which is filled with filter paper; arranging a vacuum filtration device which is loaded with a polytetrafluoroethylene membrane at the position tightly attached to the liquid down port of the funnel; separating the inclusion from the steel sample under the state that the vacuum filtration device is vacuumized; and transferring the polytetrafluoroethylene membrane which is distributed with the inclusion to a scanning electron microscope for detection. In the method provided by the invention, the inclusion can be extracted out of the steel without being damaged; and the three-dimensional shape of the inclusion is directly observed.

The invention relates to a new method of making tungsten-copper functional gradient material, which consists of pure tungsten layer and tungsten-copper gradient transit layer. First, make the gradient hole-framework with boring fluid of percent 5~80 volume ratio and tungsten powder of 1~20 micron. Infiltrate copper fluid to make the tungsten-copper gradient transit layer. Weld the W / Cu gradient layer and the pure tungsten by hot pressure. The process is following: mix the material and mould them, then frit framework, Infiltrate copper, weld and check. The method has both the advantage of melt-casting technique and jointing technique. The tungsten-copper functional gradient material made by this method is better heatproof and suited to electric sealing material, heat sinking material, and anti-high temperature plasma scouring unit such as the first layer material in nuclear fusion.

The invention discloses a calixarene constructed supramolecular polymer material. The chemical formula of a repeat unit of the material is C210H206N72O64S8; and the material consists of ethyl-bridged p-sulfonated calix[4]arene, cucurbit[8]uril and hexyl-bridged methyl viologen, wherein the ethyl-bridged p-sulfonated calix[4]arene and the cucurbit[8]uril serve as a large-ring host, the hexyl-bridged methyl viologen serves as a guest, and the supramolecular polymer with a host-guest inclusion structure is constructed through host-guest bonding. The invention has the advantages that: by the recognition advantage of the p-sulfonated calix[4]arene and the cucurbit[8]uril on specific groups of the viologen, a fibrous polymer material is prepared by a simple and feasible solution mixing method, and the method is easy to implement, high in yield, convenient and effective; and by a chemical reduction means of adding hydrazine hydrate, the polymer material can be well reduced and depolymerized, and the supramolecular polymer material has wide application prospect in the field of materials.

A microcapsule having an average particle size of from 7.5 to 50 microns. The microcapsule contains a core and a polymeric shell enclosing the core. The core contains a core material containing an emulsifiable fragrance. The polymeric shell contains, in polymerized form, a monomer blend containing: the specific monomer (i) in an amount of from 30% to 80% by weight over the combined weight of monomers (i) and (ii); and the specific monomer (ii) in an amount of 20% to 70% by weight over the combined weight of monomers (i) and (ii).

Provided are a fibre-hybridised particle and a polymer-based composite. The fibre-hybridised particle is composed of a nanofibre and nanoparticles supported on the surface of the nanofibre. The coverage rate of the nanoparticles on the surface of the nanofibre is 5%-100%. The diameter of the nanofibre is 50 nm-300 nm, and the length is 1 μm-100 μm. The particle size of the nanoparticles is equal to or smaller than the diameter of the nanofibre. The interfacial connection action between the nanofibre and the nanoparticles is physical adsorption or / and chemical bond combination. The polymer-based composite of the present invention comprises a polymer and the fibre-hybridised particles filled in the polymer. The fibre-hybridised particles solve the agglomeration and winding problems of granular and fibrous nanomaterials, and at the same time, provide multiple functions for the fibrous hybridised nanomaterial; and a polymer-based composite having controllable properties and multiple functions is obtained in a more convenient and effective manner.

The invention discloses a method for preparing solvent-free multicomponent polyurethane synthetic leather based on steam injection coating. The method comprises the following steps: firstly, adding polyhydric alcohol, isocyanate, chain extender, vulcanizing agent, catalyst, coupling agent, foaming agent, foam stabilizer, colorant, component absorbing carbon dioxide and water and filler into a plurality of stock tanks of a polyurethane casting machine; secondly, conveying the raw materials to a mixing head of the casting machine for mixing by regulating a metering pump on the raw material tank to obtain mixed size; coating the mixed size on release paper by a steam injection spreader, fitting base cloth on the mixed size layer of the release paper and then drying the base cloth; and finally, continuously reacting the mixed size by post curing till complete curing, and peeling the release paper after cooling to obtain the solvent-free multicomponent polyurethane synthetic leather. No solvent is used in the production process, so that the environmental pollution problem of DMF, TOL, MEK, THF and other solvents generated by the existing solvent polyurethane synthetic leather can be solved.

The invention relates to a waste circuit board powder-based toughening type spraying-free color regeneration composite material, which comprises a color surface layer and a filling layer, the color surface layer comprises the following raw materials by weight: 0.5-3 parts of epoxy color paste, 60-80 parts of epoxy resin 100 curing agent, 0.5 parts of curing accelerator, 5-30 parts of flexibilizer and 0.5-2 parts of age resister; and the filling layer comprises the following raw materials by weight: 100-300 parts of epoxy resin 100 waste printed circuit board powder, 60-80 parts of curing agent, 0.5 parts of curing accelerator, 5-30 parts of flexibilizer and 0.5-2 parts of age resister. The material has the following advantages of reasonable formula, low cost, excellent mechanical property (especially impact resistance strength), thereby the problems that a regeneration material in the prior art is difficult to be colored, most material only can be prepared to black or grey products with uncomfortable feeling and limited application scope can be solved. The invention also discloses a preparation method of the above material, and the method has the advantages of simple technology and convenient operation.

The invention relates to a supramolecular polymer material constructed by doubly bridging sulfonated calixarenes. The chemical formula of a repetitive unit is C88H78N4O34S8, which is formed by dual-ethyl bridging sulfonated calix [4] arene (bisSC4A*8Na+) and diethylene three ether oxygen chain bridging methyl viologen (bisMV4+*4I-), wherein the bisSC4A is taken as a large ring host body, the bisMV4+ is taken as a guest body, and the supramolecular polymer with a host-guest inclusion structure is constructed through host-guest bonding. The invention has the advantages that the polymer material can be prepared by utilizing strong bonding of sulfonated calixarenes to the viologen guest body through a simple and convenient solution mixing method; and the method has the advantages of simplicity in operation and high productivity, is a convenient and effective method for preparing the polymer material and can detect the formation of supramolecular polymer through fluorescence, can effectively improve the water solubility and viscosity of calixarene class supramolecular polymer at the same time, and has a broad application prospect in the field of materials.

The invention provides phosphorous acid titanium with a three-dimensional open-framework structure and a preparation method thereof and belongs to the technical field of phosphorous acid titanium with a three-dimensional open-framework structure. The preparation method is characterized in that an open-framework crystal compound of the phosphorous acid titanium without an organic template is synthesized by adopting a strong acid method in a hydrothermal system, the morphology of a product is regulated and controlled by adjusting the quantities of phosphorous acid and hydrofluoric acid in reaction gel, and the phosphorous acid titanium compounds with the three-dimensional open-framework structure, which have the identical structure and are different in morphologies, are synthesized. The phosphorous acid titanium compound does not contain an organic template agent. Compared with other metal phosphorous acid salts, the phosphorous acid titanium compound has relatively good heat stability, thus favorable conditions are provided for the research of the property of the phosphorous acid titanium compound. The photovoltage research shows that the compound has the property of a p-type conductor. The invention has the beneficial effects of providing a simple, convenient and effective method for preparing the phosphorous acid titanium crystal material with the open-framework structure.

The invention relates to an auxiliary alignment apparatus for the deviation of an exposure image, comprising a movement platform, an image system and a processing system which is connected with the movement platform and the image system. The image system moves by controlling the movement platform, so as to acquire image data of a test printing plate; the image data of the test printing plate comprises information of a plurality of test marks; the processing system stores the image data of a target printing plate and the image data of an ideal printing plate; the image data of the ideal printing plate comprises information of a plurality of ideal marks; the processing system generates alignment data according to the information of the a plurality of ideal marks and the information of the aplurality of test marks, and can generate the image data of a real printing plate according to the alignment data and the image data of the target printing plate. By adopting the device, the printingplate with the distortionless image can be made conveniently and effectively under the premise that the processing difficulty of a drumhead is not increased, thus ensuring the imaging quality.

The present invention relates to a composition for controlling the orientation of an organic EL light emitter, an orientation control film for an organic EL light emitter, an organic EL element and a manufacturing method thereof. Its purpose is to provide a composition for controlling the orientation of an organic EL emitter which is excellent in photo-alignment sensitivity, which has stable luminous efficiency due to high heat resistance, and can form an orientation control film for an organic EL emitter which is based on an organic EL emitter. The high-level anisotropic orientation of EL emitters can exert excellent polarized light emission efficiency. The present invention relates to a composition for controlling the orientation of an organic EL light emitting body, comprising: [A] a compound having a photo-alignment group including a cinnamic acid structure. [A] The compound is preferably a polyorganosiloxane compound. In addition, the photo-alignment group containing the above-mentioned cinnamic acid structure is preferably selected from the group consisting of a group derived from a compound represented by the following formula (1) and a group derived from a compound represented by (2). at least one of .

A membrane humidifier for a fuel cell, according to one embodiment of the present invention, comprises: a middle case in which a plurality of hollow fiber membranes are accommodated; a cap case coupled to the middle case; a potting part formed at the end portions of the plurality of hollow fiber membranes; and an assembling member disposed between the end portions of the cap case and the middle case, and simultaneously coupling, so as to be airtight, a gap between the cap case and the middle case and a gap between the cap case and the potting part.

The invention provides a bean product coagulant and an application thereof. The bean product coagulant is prepared by adopting the following steps: mixing fruit with 360-400 parts by weight of water and decocting at a high temperature to obtain a decocted substance, wherein the fruit comprises 10-15 parts by weight of red fruits, 8-10 parts by weight of apples, 8-12 parts by weight of pineapples and 5-15 parts by weight of lemons; filtering the decocted substance to obtain the filtrate; and mixing and coagulating the filtrate and 4-8 parts by weight of citric acid to obtain the coagulant. The bean product coagulant and the method for preparing bean products have the advantages that the bean products can be prepared conveniently and effectively; the operation is easy, standardization and industrialization can be realized easily, the cost is low, and the product yield is high; the prepared bean products have a good water-keeping capacity and a good mouthfeel; the inherent fragrance of raw materials of the bean products can be retained; and no peculiar taste is left.