378results about How to "Tight bond" patented technology

The invention discloses a preparation method for a composite cathode material of a lithium ion battery by means of spray drying pyrolysis treatment. The preparation method includes the steps: dissolving a first type of binder organic carbon source into solvent of a proper quantity, adding a silicon source, a second type of binder and a dispersing agent, dispersing uniformly, adding graphite, dispersing for a certain time, subjecting uniformly dispersed suspension to spray drying, and using the first type of binder organic carbon source to bond the silicon source, the graphite and the second type of binder particles into spherical or spherical-like forms to obtain a composite precursor; and transferring the precursor into a shielding atmosphere for sintering, heating the second type of binder to a certain temperature to be melted into a liquid crystal state, bonding the particle silicon source and the graphite into cores, subjecting the organic carbon source to pyrolysis at the high temperature to form a coating, and furnace cooling to obtain the carbon-silicon composite cathode material of the lithium ion battery. The preparation method is simple, easy in implementation and high in practicality. The carbon-silicon composite prepared by the method has the advantages of high reversible capacity, designable capacity, high circulating performance and high-current discharging performance, high tap density and the like.

The invention relates to a visualized microscopic model of a real core and a manufacturing method of the visualized microscopic model of the real core. The model comprises a real core sheet, an organic glass cover plate, an organic glass slide and a needle and is formed via the pressure at high temperatures; the real core sheet is milled to be visualized and is then clamped between two pieces of the organic glass; the needle is firstly fixed well, and the organic glass cover plate is then arranged; at a high temperature and at a high pressure, the organic glass is softened to be adhered more tightly with the core sheet; and the model is formed by cooling. According to the visualized microscopic model and the manufacturing method provided by the invention, the physico-chemical properties of the real core are kept, and the distribution and flowing condition of the multi-phase fluid in the porous medium pores are observed, so that the visualized microscopic model and the manufacturing method play an important role in studying the percolation mechanism and enhancing the yield of the polymer microspheres.

The invention provides an aluminium nitride ceramic copper-clad substrate which comprises an aluminium nitride ceramic chip, and a copper foil coated on at least one surface of the aluminium nitride ceramic chip, wherein a metal modification layer is formed between the ceramic chip and the copper foil, and the metal modification layer comprises Cu2O, CuAlO2 and a set of compound selected from the following two set of compounds: (1) TixNy and TiO2 wherein x/y is 0.25 to 1; (2) MnO2. In addition, the invention also provides a preparation method of aluminium nitride ceramic copper-clad substrate. In the invention, with a magnetron sputtering method, a metal mixture coating is formed on the surface of the dense sintering of the aluminium nitride ceramic chip, as the dense sintering of the metal mixture coating through high temperature sintering, the formed metal modification layer can improve the surface of the aluminium nitride ceramics chip and forms a good bonding with the copper foil.

The invention discloses a protecting, fixing and retracting integration device of an acoustic emission deep hole monitoring sensor. The device consists of a sensor protecting sleeve, a fixing device of the sensor protecting sleeve, a guider, a mounting rod, a directional ring and a rotary disc. The front end of the sensor protecting sleeve is connected with the fixing device of the sensor protecting sleeve by counterclockwise screws. The tail part of the sensor protecting sleeve is connected with the guider by clockwise screws, and is connected with the mounting rod through a pin and a unidirectional clamping groove. The directional ring is fixed at the front end of the mounting rod. The rotary disc is mounted on the tail part of the mounting rod. During retracting, the rotary disc facilitates the mounting rod to screw the sensor protecting sleeve off the fixing device of the sensor protecting sleeve. The device can better overcome the defects of insufficient protection, simple mounting angle and large absence or deflection of the monitored data due to untight coupling of the sensor and the rock existing in the traditional sensor, solves the problem of difficult retracting of the sensor in deep hole mounting, can be widely applied to rock engineering of tunnels, underground chambers, mine underground stopes, roadways and the like, and has great economical benefit.

The invention relates to the field of manufacture of packaging glass for solar cells, and especially relates to a multi-step catalyzed composite sol for anti-reflection coating, and anti-reflection coated photovoltaic glass manufactured by the composite sol. The composite sol for anti-reflection coating is prepared from the following raw materials by the following method which comprises steps of: preparing sol A, preparing sol B, preparing composite sol C, preparing composite sol D, preparing composite sol E, and preparing the composite sol for anti-reflection coating. An anti-reflection film coated by the sol only needs coating once; therefore the production cost is low, and the process is high-efficient and easily-controlled; the composite sol of the invention is suitable for large-area coating production of photovoltaic glass; the coated product can pass related examinations, such as film hardness, adhesion, and weatherability.

The invention discloses multi-phase combined lightweight aggregate concrete and a preparation method thereof. The multi-phase combined lightweight aggregate concrete is prepared from the following raw materials in part by weight: 1 part of cement, 0.40 to 0.50 part of fly ash, 1.836 to 2.219 parts of pumice sand, 0.028 to 0.043 part of corn straw fibers, 0.006 to 0.008 part of polyphenyl particles, 0.23 to 0.33 parts of rubber particles, 0.010 to 0.015 part of additive, 0.005 to 0.007 part of foaming agent, and 0.50 to 0.55 parts of water. The preparation method comprises the following steps:1, preparing thin-coating pumice sand and thin-coating straw fibers; 2, performing interference treatment of polyphenyl particles and rubber particles; 3, uniformly stirring the cement, fly ash, water, additive and thin-coating pumice sand; and 4, adding the polyphenyl particles, rubber particles and thin-coating straw fibers in turn, and continuing to stir. When the method is used, the mechanical performance of the lightweight aggregate concrete can be improved effectively, the thermal-insulation and heat-preservation performance is enhanced, and production cost is lowered.

The invention belongs to the technical field of a lithium metal battery, and particularly relates to an inorganic/organic composite thin film solid-state electrolyte for the lithium metal battery. The inorganic/organic composite thin film solid-state electrolyte comprises a ceramic nanowire network framework, an inorganic electrolyte and a polymer electrolyte, wherein the inorganic electrolyte is combined with the ceramic nanowire network framework by a magnetron sputtering method, and the polymer electrolyte is combined with the inorganic electrolyte and the ceramic nanowire network framework in an in-situ way. Compared with the prior art, the ceramic nanowire network framework with a unique structure is used, and the multi-layer network-structure inorganic/organic composite thin film solid-state electrolyte is prepared on the basis; and moreover, by optimizing and improving the interface compatibility and stability of the inorganic/organic composite thin film solid-state electrolyte and a metal lithium electrode, rapid ion transmission is achieved, the growth of lithium dendrites is suppressed, the penetrating of the lithium dendrites is prevented, and the cycle stability and the safety of the lithium metal battery are improved.

The invention provides a foaming-free fast-curing high-strength leak-stopping waterproof polyurethane grouting material. The material is composed of a component A and a component B, wherein the component A comprises isocyanate monomer, isocyanate prepolymer and highly-hydrophobic environment-friendly plasticizer, the component B comprises high-activity polyether polyol, chain-extending cross-linking agent, highly-hydrophobic environment-friendly plasticizer and antioxidant, and a volume ratio of the component A to the component B is 1: 1. The leak-stopping waterproof polyurethane grouting material has low viscosity, is convenient to grout, has the characteristics of no foaming and fast curing and the advantages of good leak-stopping effect, high mechanical strength and wet bonding strength and excellent aging resistance, and is applicable to rapid leak stopping, water prevention and reinforcement of distress in concrete of an underground construction.

The invention provides a polypropylene foaming bead formed body and a preparation method thereof. The preparation method comprises the following steps: mixing polypropylene foaming beads having different foaming rates and prepared by using wide-molecular-weight-distribution high-melt-strength polypropylene as a raw material in proportion, and carrying out thermal molding of the above obtained mixed foaming beads to obtain the foamed body with good surface flatness and tight adhesion. The formed body can be widely applied to the heat insulation tableware field, the automobile interior decorative part field, the finishing material interlayer field, the product damping packaging field and the like. Additionally, the molded body can be recycled, causes no secondary pollution, and accords with circular economy requirements.

The invention discloses a ceramic particle with far infrared and photocatalysis functions, confected by the following raw materials by weight percentage content: minus 15-65% of far infrared powder, minus 5-59% of photocatalyst, minus 3-15% of rare earth oxide and minus 5-35% of binding agent. The invention also discloses a manufacturing method of the ceramic particle with far infrared and photocatalysis functions. The invention has extremely strong far infrared radiation capability and excellent photocatalysis activity and can be widely applied to the fields of running water mineralization activation treatment, biological health care, clothing tableware cleaning and air purification, so as to realize the functions of purification, health care, washing and activation.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a preparation method of a composite diaphragm. The preparation method comprises the following steps:putting inorganic particles into a first solvent to obtain inorganic slurry, coating at least one surface of a base membrane with the inorganic slurry at intervals, and drying to obtain an inorganic heat-stable coating; putting organic particles into a second solvent to obtain organic slurry, and coating the surface of the base film between the inorganic heat-stable coatings with the organic slurry at intervals to obtain an organic bonding coating, wherein the thickness of the organic bonding coating is greater than that of the inorganic heat-stable coating; and drying to obtain the compositediaphragm. According to the invention, the problems that inorganic particles and organic particles cannot be regularly arranged, the organic particles can be buried by the inorganic particles, and thebonding effect of the organic particles, a base film and a pole piece is poor are solved.

The invention discloses a method for preparing polystyrene particle-rubber particle-pumice stone composite lightweight aggregate concrete. The polystyrene particle-rubber particle-pumice stone composite lightweight aggregate concrete comprises the following raw materials in parts by weight: 1 part of cement, 0.40-0.50 part of coal ash, 0.80-1.20 parts of thin-layer cladded pumice sand, polystyrene particles and rubber particles, 0.010-0.015 part of admixture, 0.005-0.007 part of foaming agent, and 0.50-0.55 part of water. The preparation method comprises the following steps of: 1, preparing the thin-layer cladded pumice sand; 2, carrying out interface treatment on the polystyrene particles and the rubber particles; 3, adding the cement, the coal ash, the water, the admixture and the thin-layer cladded pumice sand to a stirring machine to be stirred according to proportions; 4, adding the polystyrene particles and the rubber particles subjected to the interface treatment in the stirring machine to be stirred continuously; and 5, after frothing, pouring the forthed foaming agent into the stirred mixture and uniformly stirring. According to the method disclosed by the invention, the mechanical property of the lightweight aggregate concrete is effectively improved; the thermal insulation performance is improved; and the production cost is reduced.

A colorful road plated with porous polymer concrete face and relative construction first mix polymer, broken stone and stuff uniformly to form polymer porous concrete material, lay to form polymer porous concrete face 1, mix uniformly the colorful face, and plate colorful face on the face of porous polymer concrete face layer 1 to form a colorful face layer 2, while the colorful face layer 2 is adhered with the porous polymer concrete face layer 1, to form a colorful road. The inventive road has high strength, better deformation property, abrasion resistance or the like, while the color can adjust via different fields.

The invention belongs to the building field, and concretely relates to a high efficiency composite expanding agent for a high-strength self-stressing concrete filled steel tube and a preparation method thereof. The high efficiency composite expanding agent comprises the following components by mass percentage: 22-40% of light calcined magnesia, 12-25% of active calcium oxide, 6-14% of calcined dolomite, 18-30% of sulphoaluminate cement clinker, 12-18% of natural gypsum and 2-6% of modified meerschaum powder. Through a design of hydration expansion characteristics of different components, expansion performance and high-strength concrete intensity are cooperated for development, expansion usefulness is high, water for hydration is little, expansion beginning time is early, and the expansion performance is stable, by introducing a maintenance material, problems of difficult maintenance of a steel pipe under enclosing condition and difficult supply of expanding agent and water for concrete hydration can be solved, and the high efficiency composite expanding agent is suitable for preparing the high-strength self-stressing concrete filled steel tube under enclosing condition of the steel pipe.

The invention discloses a coating type composite material for a dry type transformer, which is characterized in that two layers of high temperature resistant epoxy resin are respectively coated on two surfaces of a five-layer composite material formed by compounding a thin film layer, adhesive layers and organic or inorganic fiber paper layers; the two surfaces of the thin film layer are adhered with the organic/inorganic fiber paper layers through the adhesive layers; and the organic/inorganic fiber paper layers can be soaked with the high temperature resistant epoxy resin. The invention further provides a preparation method of the coating type composite material for the dry type transformer. The preparation method comprises the following steps: compounding the thin film layer with the organic/inorganic fiber paper layers to form the five-layer composite material after soaking the thin film layer with adhesive, uniformly coating high temperature resistant epoxy resin coating liquid on the two surfaces of the prepared composite material, and cooling to the room temperature to obtain the product after heating and solidifying. The material is long in storage period at the room temperature, is ageing resistant, has an excellent electrical performance and is suitable for insulating between low-voltage coil copper (aluminum) foil taped coverings of the dry type transformer.

The invention relates to the field of waterproof engineering construction methods, in particular to a non-cured rubber asphalt paint and self-adhesion coiled material composite construction method. The non-cured rubber asphalt paint and self-adhesion coiled material composite construction method comprises the following steps of S1, waterproof paint treatment; S2, base layer treatment; S3, joint reinforcing treatment; S4, self-adhesion coiled material pre-trial paving; S5, first bonding layer construction; S6, self-adhesion coiled material paving and lap joint; and S7, close-up seal. The methodhas the beneficial effects that a composite waterproof layer made through the construction method has the good anti-aging property, and even if the composite waterproof layer is used for a long time,the composite waterproof layer can still keep good structural strength and bonding property.