175results about How to "Reunion won't happen" patented technology

A honeycombed porous ceramic having a high thermal conductivity and an ultralow expansion coefficient relates to the technical field of the silicate industry. The ceramic having a low even negative thermal expansion coefficient and a high thermal conductivity is obtained through treating a rare earth mixture, potassium phosphotungstate, zirconium oxide and amorphous quartz particles as a sintering aid, and expansion coefficient and thermal conductivity adjustment agents, and the ceramic has a high-orientation sheet iolite structure and has a good catalyst coating performance and good mechanical strengths; and ethylene oxide having different molecular weights are adopted as a ceramic molding binder, rapeseed oil or peanut oil is treated as a primary molding lubrication agent, a paste goes through a high-pressure extruder orientation extruding channel, a crystal orientation carding die and a honeycombed porous die to obtain a green body having high-orientation arranged crystals, and a special sintering curve is adopted to obtain the ceramic. The above whole ceramic preparation process flow and the above formula are economic, stable and environmentally-friendly.

The invention discloses polymer hollow nano microspheres and a preparation method thereof. The preparation method is characterized by comprising the following steps: adding 10-200 parts by weight of polymer A, 0-200 parts by weight of additive and 100-1000 parts by weight of solvent A into a dissolving kettle provided with a stirrer and a thermometer, dissolving by stirring at 30-100 DEG C, debubbling, and aging to obtain a polymer shell solution; adding 0-400 parts by weight of polymer B and 100-1000 parts by weight of solvent B into a dissolving kettle provided with a stirrer and a thermometer, dissolving by stirring at 30-100 DEG C, debubbling and aging to obtain a core solution; putting the polymer shell solution and the core solution in a high-voltage electrostatic field, and carrying out electrostatic spraying by a coaxial electrostatic sprayer to obtain polymer microspheres, wherein the inner diameter of the needle head of the core is 0.4-0.6mm, the solution flow rate is 1-5ml/h, the inner diameter of the needle head of the shell is 0.9-1.2mm, the solution flow rate is 5-10ml/h, the spraying voltage is adjusted to 5-25kV, the spraying distance is 1-10cm, and the temperature of the receiving bath is 10-50 DEG C; and removing core substances of the microspheres to obtain the polymer hollow nano microspheres.

The invention relates to a preparation method of a shell-core structure MOxSiO2, wherein the MOx is one of Mn3O4, Fe2O3, CeO2, Cu2O, or Co3O4. The preparation method comprises following steps: homogenously dispersing 0.01 to 0.1 mol of water-containing inorganic metal salt and 2 to 10 mL of oleic acid into 50 to 100 mL of absolute methanol, then putting the materials in a high-pressure reactor to subject the materials to crystallization reactions for 10 to 48 hours at the temperature of 120 to 240 DEG C, cooling and filtering so as to obtain MOx nano particles, dissolving the MOx nano particles in hexane, adding cetyl trimethyl ammonium bromide solution, subjecting the solution to an ultrasonic treatment, adding sodium hydroxide solution with a concentration of 0.5 M to 2 M, stirring, dropwise adding ethyl orthosilicate, carrying out the reactions at the room temperature for 10 to 24 hours, then subjecting the reaction product to a centrifugation treatment, washing, drying, and burning so as to obtain nano catalyst MOx@SiO2. The preparation method is simple and is easy to be applied to industrial production. The catalyst prepared by the preparation method is applied to the CO oxidation reaction, and has the advantages of low cost, and high activity and stability.

The invention relates to the field of nanometer materials, and particularly relates to nano-silver-containing adhesive and a using method of the adhesive in technical wood. The nano-silver-containing adhesive is characterized in that nano-silver is uniformly applied to an environmentally friendly glue solution, and flour is used as an additive of glue. A preparation method of the nano-silver comprises the following steps: adding a sodium dodecyl sulfate solution and a hydrazine hydrate solution to a silver nitrate solution so as to obtain mixed liquid, and adding crown ether and an alkali metal-containing reducing agent to the mixed liquid, wherein the molar ratio of the crown ether to the silver nitrate is (1-2): 1, the molar ratio of the alkali metal-containing reducing agent to the silver nitrate is (0.5-1): 1; and controlling a pH value to 8-9, thus obtaining the nano-silver. The using method of the adhesive comprises the following steps: bonding decorative veneer and a base material through the nano-silver-containing adhesive, then feeding into a vacuum tank, and vacuumizing; then carrying out pressurizing treatment; carrying out microwave treatment; and finally taking out, and carrying out cold pressing and hot pressing. The nano-silver-containing adhesive provided by the invention has good stability, dispersity and adhesiveness.

The invention belongs to the high-molecular nano biomedical materials, and specifically relates to a polymeric micelle in which the antibacterial nano silver is deposited at the core, and a preparation method of the polymeric micelle. Amphiphilic block copolymers form the micelle in a self-assembly manner through a direct dissolution method, and then, nano silver is generated at the core of the micelle in situ. The micelle has biocompatibility and also has certain temperature and pH sensitivity, the core-shell structure of the micelle can package multiple drugs, and simultaneously, with the existence of nano silver, the micelle has the curative effects of sterilization and bacterial inhibition.

The invention relates to the technical field of organic and inorganic compounds. In order to solve the problems that inorganic nano SiO2 introduced to the polymer emulsion is easy to agglomerate, the content of SiO2 is low in the whole system, and some hydroxyls are contained on the surface of SiO2 to result in deficiency in hardness and hydrophobicity of a film, the invention provides a hydrophobic organic and inorganic acrylate polymer emulsion with high silicon content and a preparation method and an application thereof. The emulsion is prepared from the following components in parts by weight: 30-60 parts of a silica sol, 5-15 parts of a cosolvent, 1-5 parts of a fluorine-containing silane coupling agent, 0.2-2 parts of an emulsifier, 0.1-1 part of an initiator and 40-80 parts of water. The emulsion film has the advantages of inorganic materials and organic high polymers and can be used for preparing coatings with good weather ability, hydrophobicity, scrubbing resistance and stain resistance, and high hardness performance.

The invention belongs to the field of nano biological medical materials and particularly relates to polymer vesica with the surface deposited with antibacterial nano silver and a preparation method thereof. Amphipathic block polymers are self-assembled by a cosolvent method to form the vesica, and then the nano silver is generated in situ on the surface of the vesica. The polymer vesica has biocompatibility and has certain temperature and pH sensitivity; a cavity structure of the vesica can wrap various medicines; and simultaneously, due to the existence of the nano silver, the vesica also has the curative effects of sterilization and bactriostasis.

A silicon/monox core-shell structured nanometer-composite material, its production and use are disclosed. The process is carried out by building in and removing lithium ion by sol-gel method. Its advantages include stable crystal structure, better reversible capacity and circulation performance, better operability, repeatability and quality. It can be used in production of lithium-ion battery.

Provided is a preparation method for porous hollow gold-silver nano-alloy particles. The method includes the following steps that 200 ml of tri-distilled water is added into a reaction vessel and heated to 60-70 DEG C, 30-40 mg of silver nitrate is added, heating is continued until the temperature reaches 90-95 DEG C, afterward, 4 mL of a sodium citrate aqueous solution with the concentration being 10-30 mg/mL is added, a reaction is performed for 5-10 minutes, and the reaction is performed for 30-60 minutes by keeping the temperature at 85-90 DEG C; the reaction temperature is adjusted to 60-90 DEG C, 20-240 mL of a chloroauric acid aqueous solution with the concentration being 1.0*10<-4> mol/L is added dropwise at the speed of 20-30 drops/minute, and the drop addition quantity is determined according to different requirements; and prepared porous hollow gold-silver nano-alloy particles are subjected to centrifugal separation and dispersed in tri-distilled water again, and the porous hollow gold-silver nano-alloy particles can be obtained. By means of the method, tuning of the localized surface plasmon resonance (LSPR) absorption peak of the porous hollow gold-silver nano-alloy particles in a full visible light region can be realized.

A nanoball of temozolomide-sodium polylactate is proportionally prepared from temozolomide and sodium polylactate. Its product may be injection, freeze-dried powder injection, slow-release micropills, tablets, or membrane for treating cancer, especially the cerebral glioma. Its preparing process is also disclosed.

The invention discloses a method for preparing a lithium ion battery negative electrode material from photovoltaic industry wastes. The method comprises 1) pretreating photovoltaic industry wastes toobtain silicon powder, and 2) preparing a lithium ion battery negative electrode material through 2.1), adding the prepared silicon powder and a dispersant into a solvent according to a mass ratio of4 to 1 and carrying out dispersion to obtain uniformly dispersed nano-silicon particles, 2.2), adding an initiator ammonium persulfate into the solution obtained by the step 2.1) and carrying out ultrasonic dispersion, 2.3), acidifying the solution and adjusting the pH of the solution to 1-3, 2.4), then dropwisely adding monomers into the silicon particles for coating and stirring the mixture fora reaction in an ice bath for 8-12h, and 2.5) after the reaction, centrifuging the liquid, washing the liquid to pH of 7, then carrying out vacuum drying and carrying out grinding to obtain the lithium ion battery negative electrode material. Through treatment on photovoltaic industry wastes, the silicon raw material is modified through the simple and easy industrial use method and the commercialapplication of the silicon negative electrode is promoted.

The invention relates to the field of nano materials, in particular to a nano-silver aqueous solution and an application method for applying the nano-silver aqueous solution to technical wood. According to the aqueous solution, deionized water is used as a solvent, nano-silver is used as a solute and dissolves in the deionized water, acrylic resin is used as a complexing agent and a stabilizing agent and dissolves in the deionized water, meanwhile a dispersing agent and a first reducing agent are added to the deionized water, and then the solution is formed, wherein the dispersing agent is triethanolamine, the first reducing agent is a hydrous ammonia aqueous solution, the concentration of nano-silver ranges from 50 ppm to 150 ppm, and the mass content of acrylic resin in the solution ranges from 1% to 10%. The application method includes the steps that the technical wood is fed to a vacuum tank filled with the nano-silver aqueous solution, and the vacuum tank is pumped until the vacuum degree ranges from -0.05 MPa to -0.01 MPa for 15 min to 20 min; pressure application is conducted, and pressure is applied to 0.2 MPa to 0.5 MPa for 18 min to 28 min; eventually, microwave processing is conducted for 1 min to 3 min, the microwave frequency ranges from 300 MHz to 950 MHz, and then the technical wood is taken out for drying. The nano-silver aqueous solution is good in stability and dispersibility, nano-silver can be more effectively permeated into the technical wood, and mold is fully defended.

The invention discloses a method for preparing industrial ultra-fine activated calcium carbonate from a carbide slag, and particularly relates to preparation of employing O/W-type microemulsion. The technology disclosed by the invention comprises the steps of extracting calcium in the carbide slag by saturated ammonium chloride solution, and separating undissolved impurities to filter and obtain calcium chloride solution; reacting fatty acid and alkyl alcohol with sodium hydroxide solution, and adding petroleum ether to form microemulsion; fining microemulsion particles by ultrasound, slowly dripping the obtained calcium chloride solution under an agitation condition, dripping carbonate or bicarbonate solution after dripping, thereby respectively obtaining an upper layer of oil phase, a middle layer of opaque oil phase containing calcium carbonate sediment, and a lower layer of water phase after reaction and delivery are finished; and centrifugally separating, washing and drying the middle layer to obtain industrial ultra-fine activated calcium carbonate, wherein the oil phase and the water phase can be recovered to apply mechanically. By adopting the method, the processing problem of the carbide slag can be well solved; the obtained oil phase and water phase can be recycled; the cost is saved; the prepared light calcium carbonate surface is coated with a layer of fatty acid; the dispersibility is good; the problem that the product is easily gathered is solved; and the method has economical, social and environment-friendly concepts.

The invention provides a material mixing method of graphite negative electrode slurry. The graphite negative electrode slurry comprises a first graphite material, a second graphite material and a third graphite material, wherein the average grain diameter of the first graphite material is d1, the average grain diameter of the second graphite material is d2, and the average grain diameter of the third graphite material is d3, wherein d1 is smaller than d2 which is smaller than d3, and d2 is equal to k*(d1+d3); k is equal to a*(c1+c3)/(c2+0.5), wherein a is an equilibrium constant, and a is greater than or equal to 1.1 and less than or equal to 1.3; c1, c2 and c3 represent percentages of the first graphite material, the second graphite material and the third graphite material; and c1+ c2 +c3is equal to 1, and c1+c2 is less than or equal to c3. The material mixing method comprises the following steps of carrying out mixing on the first graphite material, the second graphite material andthe third graphite material to obtain three slurry materials respectively, and then enabling the three slurry materials to be mixed according to a specific sequence to obtain the graphite negative electrode slurry with high dispersion degree. The graphite negative electrode slurry disclosed by the invention is high in graphite dispersion degree, free of agglomeration, free of sedimentation, high in storage stability, high in energy density and high in rate performance.

The invention discloses a photochromic fiber making method which is realized by the following steps: (1) under vacuum conditions, drying light nylon slices with a low melting point, cooling to the room temperature, and excluding vacuum to discharge; (2) taking a certain quality of the dried nylon slices obtained by the step (1), adding a photochromic agent, a dispersing agent, a coupling agent, a heat stabilizer and an antioxidant, melting at 165 to 180 DEG C to prepare masterbatch; (3) taking the following raw materials by mass to mix: 70-90% of the nylon slices obtained by the step (1) and 10-20% of the masterbatch obtained by the step (2), and preparing photochromic POY (pre-oriented yarn) by melt spinning; and (4) drawing the photochromic POY to obtain the photochromic FDY (fully drawn yarn). The photochromic fiber is good in color changing effect, good in comprehensive application performance and low in production cost.

The invention discloses an LED fluorescent glue that improves the uniformity of light emission. In parts by weight, the fluorescent glue consists of 1 part of packaging glue, 0.01-1 part of fluorescent powder, 0.01-0.1 part of silica-based inorganic nanoparticles, 0.01 part of ‑1 part silicone granules. Inorganic nanomaterials and silicone particles are mixed in the encapsulation glue, which reduces the sedimentation rate of the phosphor in the encapsulation glue, improves the uniformity of the phosphor distribution in the colloid, makes the white light spot more uniform, and improves the light diffusivity and transmittance. The light rate is maximized, and by changing the propagation path of the light, the light of various wavelengths is more fully mixed, and the spatial color uniformity of the light is further improved. It also provides an LED packaging method and LED that improve the uniformity of light emission, which improves the consistency of products, reduces the probability of uneven color distribution in space due to uneven distribution of phosphor powder, and improves product yield and product production. efficiency.

The invention relates to the field of nano materials, and particularly relates to a nano silver decoration laminated board. The nano silver decoration laminated board is formed by bonding a decoration single board and a base material by a bonding agent layer; the decoration single board and the base material are formed by impregnating by a nanometer aqueous solution; the bonding agent layer contains a nanometer silver substance; the decoration single board and the base material are engineering wood; the nanometer silver aqueous solution is formed by taking deionized water as a solvent, dissolving nanometer silver as solute into the deionized water, taking acrylic resin as a complexing agent and dissolving a stabilizing agent into the deionized water, and meanwhile adding a dispersion agent and a first reducing agent; the concentration of nanometer silver in the bonding agent is 75-150ppm; the mass content of flour in the solution is 18-45%; environment-friendly glue comprises 40-80 parts solid with 40-55%bacrylic resin emulsion, 20-40 parts of acrylic resin powder, 5-20 parts of solid with 40-60%EVA emulsion as well as 7-13 parts of chlorinated polypropylene or polyolefin substrate adhesion promoter. The nano silver decoration laminated board provided by the invention is good in stability and dispersion, and can fully resist mildew.

The invention relates to a negative electrode material for a lithium ion battery, a preparation method of the negative electrode material and the battery, and discloses a preparation method of a silicon/silicon oxide/carbon composite negative electrode material for the lithium ion battery, the silicon/silicon oxide/carbon composite negative electrode material and the battery. The silicon-carbon composite negative electrode material prepared by adopting an in-situ oxidation method and a high-temperature pyrolysis method has a core-shell structure, and the obtained shell structure is stable andfirm in structure. According to the invention, a lithium storage active phase SiOx and an amorphous pyrolytic carbon coating layer are generated on the surface of the nano-silicon through the dual-core shell structure, volume expansion in the charging and discharging process of the nano-silicon can be well buffered on the premise that the capacity is not remarkably reduced, the high conductivity and stability of the pyrolytic carbon coating layer are helpful for enhancing the stability of the Si@SiOx and electrolyte interface SEI film, so that the composite material has high capacity, excellent rate capability and cycle performance.

The invention relates to adhesives, particularly to a preparation method of an environment-friendly adhesive. The environment-friendly adhesive is composed of the following raw materials including, by weight parts, 70-95 parts of phthalic anhydride, furfuryl alcohol extracted from natural plant, triethylene glycol, pentanediol, butantriol, zinc oxide, magnesium oxide, chloroprene rubber and elastic rubber, 2-3 parts of softening oil, 20-30 parts of dimethyl carbonate, benzoyl peroxide, ethyl acetate, emulsifier and flour, 5*10-5-9*10-5 parts of nano silver, and fire retardant, wherein the elastic rubber is composed of first elastic rubber and second elastic fiber which are mixed at a weight ratio of 1-3:1. The preparation method of the second elastic rubber comprises heating polyvinyl alcohol solution and waterborne polyurethane water solution, cooling the mixture to 30-50 DEG C and then adding acrylate into the mixture; then adding potassium hydroxide into the mixture and heating the mixture; then adding cementum protein, abietin and plant phenols extracted from natural plant for reaction; then adding sodium benzoate, di-tert-butyl peroxide and the ethyl acetate and mixing the reactants to obtain the environment-friendly adhesive. The environment-friendly adhesive is good in bactericidal activity and high in stability, dispersibility and adhesiveness.

The invention discloses a preparation method of shock-resistant STF (shear thickening fluid) gel. 1-10 parts by weight of any one or a mixture of several of acrylic acid, polyethylene glycol (400) diacrylate, and polyethylene glycol (600) methacrylate, 10-15 by weight of any one or a mixture of several of beta-hydroxyl ethyl acrylate, iso-octyl acrylate and butyl acrylate as well as 30-90 by weight of an STF are mixed in a reaction container; an initiator with the weight accounting for 0.15%-2% of the total weight of the mixture is added to initiate a reaction, the reaction temperature is controlled within 10-80 DEG C, and uniform mixing and defoaming are performed; standing is performed, and the uniform and stable STF gel is obtained after a curing reaction. The prepared STF gel is uniformly dispersed, cannot settle easily and has a good shear thickening effect. Besides, the preparation process is good in stability and can realize industrial production.

The invention discloses a graphene-silicon composite material, a preparation method thereof, an electrode material and a battery and relates to the technical field of batteries so as to improve the structural stability of an electrode containing a silicon-based material, and therefore, the cycle performance of the battery is ensured. The preparation method of the graphene-silicon composite material comprises a step of mixing positively-charged silicon-based material dispersion liquid with a negatively-charged graphene-based material dispersion liquid such that a positively-charged silicon-based material and a negatively-charged graphene-based material are assembled together to obtain a graphene-silicon self-assembled material dispersion liquid, a step of drying the a graphene-silicon self-assembled material dispersion liquid by using spray drying to obtain a graphene-silicon self-assembled material, and a step of sintering the graphene-silicon self-assembled material in an inert environment to obtain the graphene-silicon composite material. The graphene-silicon composite material is prepared by the above preparation method. The graphene-silicon composite material provided by the invention is applied to the battery.

The invention discloses an adhesive and particularly relates to a modified adhesive. The modified adhesive consists of the following raw materials in parts by weight: 70-95 parts of elastic rubber, 25-35 parts of phthalic anhydride, 7-11 parts of furfuryl alcohol extracted from natural plant, 10-12 parts of triethylene glycol, 15-18 parts of glutaric acid, 8-10 parts of butantriol, 5-7 parts of zinc oxide powder, 3-5 parts of magnesium oxide, 15-25 parts of chloroprene rubber, 2-3 parts of softening oil, 15-20 parts of dimethyl carbonate, 1-3 parts of benzoyl peroxide, 4-8 parts of ethyl acetate, 1-4 parts of an emulsifier, 20-30 parts of flour, 5*10<-5>-9*10<-5> parts of nano sliver, 1-3 parts of a flame retardant, 0.8-2.5 parts of a catalyst, 3-7 parts of a bamboo vinegar aqueous liquid, 6-13 parts of bamboo carbon powder with grain size of 0.01-0.06mm, wherein the bamboo vinegar aqueous liquid is a mixed liquid of bamboo vinegar, a chelating agent and water in a weight ratio of 1 to (0.1-0.2) to (60-100); the bamboo carbon powder is prepared by the steps such as raw material pre-treatment, primary carbon preparation, activation treatment and pelletizing; the elastic rubber comprises first elastic rubber and second elastic rubber mixed in a weight ratio of (1-3) to 1. The adhesive has good antibacterial activity, stability and adhesion property.

The invention discloses a wool, cashmere/bamboo charcoal fiber blended fabric manufacturing method. The method includes: selecting warp and weft materials comprising, by weight, 15-20 parts of tencel, 30-50 parts of wool, 20-30 parts of cashmere, 15-20 parts of ceiba, 20-30 parts of vegetable protein regenerated cellulose fibers, 10-18 parts of modal fibers, 40-90 parts of viscose, 8-15 parts of bamboo charcoal fibers, 60-95 parts of cotton fibers and 8-18 parts of super-fine denier polyester. The weaving process includes: warping, boiling to be finalized, slashing, after finishing and jet operating. For after finishing, fabric is subjected to after finishing by a working solution containing 20-40g/L capsicum tincture extract finishing agents, 15-20g/L nonionic organic silicon softeners and 30-60g/L nano ceramic powder dispersion agents, and an after-finishing method refers to a dipping treatment method or an impregnation method.