188results about How to "Composite good" patented technology

The present invention relates to a process for the manufacture of short or discontinuous lignocellulosic fibre in combination with synthetic fibre filled thermoplastic composites, in which the process consists of preferably, defiberization and dispersion of the cellulosic fibres in the thermoplastic matrix, further consolidation and dispersion of the blended thermoplastic composition, further blending of the same with inorganic fibres to get the moldable thermoplastic composition and further injection or compression or compression injection molded under high pressure ranging from 100 tones to 1000 tones and a temperature range from 170 to 210 degree centigrade into composite products. The said composites have a tensile strength of at least 75 MPa and a flexural strength of at least 125 MPa. The invention also relates to the use of the said composites in automotive, aerospace, furniture and other structural applications.

A composite thermal insulation member of building is provided. It relates to the composite thermal insulation member of the building, especially the composite thermal insulation wall body and the composite roof aimed to solve the problem of high cost of the existing energy-saving wall body and the inconvenience of construction, the first structure is the core layer bonded inside the frame with the outer protecting layer provided on the surface of the core layer and the alkali-resistant netting fabric bonded to the outer protecting layer and the load-carrying component, the second structure is the core layer provided between the indoor and outdoor outer protecting layers and bonded each other, also the steel hoop fixed with the steel bars inside the indoor and outdoor outer protecting layers, the third structure is the outer protecting layer provided on two sides of the core layer and its upper side and bonded to it, also the core layer and the steel bars arranged inside the outer protecting layer as well as the outer protecting layer wrapped and surrounded by the alkali-resistant netting fabric, the fourth structure is the composite pillar anchored to the main structure and the core layer bonded to the main structure and the light composite pillar with the composite girder supported on the composite pillar and the plastered outer protecting layer on the composite pillar, composite girder and the outer side of the core layer, the fifth structure is the core layer provided between the upper and lower outer protecting layers with the lower outer protecting layer fixed to the girder or wall of the main structure, the invention has the advantages of low cost, convenience of construction etc. which is beneficial to the energy-saving of the construction and the reform of the wall body.

The invention relates to the field of foam ceramics, in particular to double-scale foam ceramics with macro-scale three-dimensional communicated hole diameter and micron-grade three-dimensional communicated hole diameter and a preparation method thereof. The silicon carbide foam ceramics have a three-dimensional communicated network structure; a millimeter-grade hole diameter is expressed in macrography; and a micron-grade mutual communicated mesh is expressed in a ceramic skeleton rib. A hole forming agent is uniformly mixed into silicon carbide slurry in the process of moulding a foal ceramic blank so that the silicon carbide foam ceramics are made into double-scale foam ceramics; and the double-scale silicon carbide foam ceramics are three-dimensional communicated network foam ceramicswhich simultaneously have macro-millimetre scale hole diameter and skeleton rib internal micron scale hole diameter. By being used as a reinforced body of a ceramic/metal double-continuous phase composite material, the double-scale silicon carbide foam ceramic material can eliminate foam skeleton cracks in a composite material, improve composite quality and expand the application of the compositematerial in friction brake, armour protection, electronic packaging, and the like.

The invention discloses a preparation method of a reinforced composite wear-resistant lining board of a precast framework. The prepared reinforced composite wear-resistant lining board is formed by compounding a framework reinforced body containing hard phases and base body metal. The preparation method comprises the following steps: adopting a framework precast body made of tube wires filled with hard materials, performing the vacuum high-temperature sintering, forming the framework reinforced body containing hard phases, and leading the framework reinforced body to perform the metal casting composite molding with the base body metal, so as to form the lining board formed by compounding the framework reinforced body containing hard phases and the base body metal. The framework reinforced body is performed by the vacuum high-temperature sintering to form a complete metallurgical texture structure, which has order arrangement, uniform distribution, stable performance and strong integrity, can always keep complete framework structure after compounding with the base body metal, thereby developing the high wear-resistance of the hard phases in the framework reinforced body, and keeping better flexibility of the base body metal. The reinforced composite wear-resistant lining board can be compounded locally or gradiently, or integrally, and can be widely applied to wear-resistant fields of mine, electricity, metallurgy, coal, building materials, and the like.

The invention relates to steel for parts with high requirements on thermal conductivity, such as radiators and the like used by power plants of 0.3 million kilowatts and above. The steel comprises the following components by weight percentage: 0.010-0.014% of C, less than 0.018% of Si, 0.30-0.35% of Mn, 0.001-0.002% of Al, not more than 0.02% of P, less than 0.06% of S and not more than 0.003% of O. The steps are as follows: carrying out desulfurization on molten iron; refining outside a furnace; carrying out continuous casting, and adopting a covering agent with 0.5% of C and argon for protecting pouring; heating a continuous casting slab to 1200-1218 DEG C; carrying out hot rolling, and controlling the final rolling temperature to be 870-888 DEG C; and coiling and controlling the temperature to be 610-629 DEG C. The steel can ensure the plasticity of the radiators used by the power plants of 0.3 million kilowatts and above; a compound layer does not form Fe-Al brittle phase and has good compound performance; and the steel can lead the rigidity of the radiator to be high and ensure the stability of the shape and the size of the processed heat exchanger.

The invention provides a composite material with a self-regulating function. The composite material is prepared by comprising the following components in parts by weight: 45-73 parts of powder with the self-regulating function and one or two of 0.15-1.2 parts of reinforced fibers or 15-20 parts of fillers, which are added into 20-40 parts of combination solution; the powder with the self-regulating function is prepared by the following components: calciferous inorganic matrixes, algae and modifying agent with the weight ratio being 38-55:6-16:3-6; and the combination solution is prepared by compounding the following components in parts by weight: 100 parts of clear water, 1.5-2.0 parts of crystal modifier, 0.4-0.5 part of waterproof agent, and 0.4-0.5 part of defoamer. The moisture absorption of the composite material with the self-regulating function reaches 12 percent, the moisture desorption reaches 8 percent, the combination effect of the self-regulating function and the recombination rate of the self-regulating function of the composite material are better than those of traditional inorganic salt and inorganic porous materials, and the manufacturing cost and the application field of the composite material are better than those of special silica gel and organic polymer. The invention also provides a preparation method of the composite material.

The invention provides a steel plate for a concrete precast element production line mould platform surface and a manufacture method of the steel plate. The steel plate for the mould platform surface comprises a carbon steel base material layer and a stainless steel composite layer(s) compounded on the upper surface or/and the lower surface of the carbon steel base material layer; the carbon steel base material layer and the stainless steel composite layer(s) are combined through the manner that atoms in the carbon steel base material layer and atoms in the stainless steel composite layer(s) mutually diffuse towards adjacent layers. The steel plate for the mould platform surface is formed by compounding ferritic stainless steel with extremely high magnetic conductivity and an ordinary carbon steel plate, and is good in corrosion resistance, excellent in wear resistance, good in machinability, high in solderability, good in forming property, excellent in both thermal conductivity and magnetic conductivity, high in mechanical strength and excellent in other comprehensive mechanical properties, the manufacture cost of the mould platform is effectively reduced and the service life of the mould platform is prolonged.

The invention provides a packaging polyolefin processing agent composition which is a mixture of nano silicon dioxide and ethylene-vinyl acetate copolymer, wherein the mass of the nano silicon dioxide accounts for 10-40% of the total mass of the processing agent composition, and the mass of the ethylene-vinyl acetate copolymer accounts for 60-90% of the total mass of the processing agent composition. The invention also provides packaging polyolefin modified by the processing agent composition. The modification of the nano silicon dioxide has greater influences on the mechanical property, the crystallization property, the polarity, the printing property, the composite property, the residue of organic solvent, and other indexes of the polypropylene. A result shows that after the polypropylene soft packaging material is subjected to nano modification, the toughness of the polypropylene soft packaging material is greatly enhanced; meanwhile, the polarity, the printing ink adhesive force and the peel strength of the material are improved; the adsorption of the modified polypropylene on toluene is greatly reduced. After nano modification, the using performance of the polypropylene used as the soft packaging material can be greatly improved.

The invention discloses a composting method of a dovetail groove metal plate clearance fit interface. The compositing method is realized through the explosive cladding method, the rolling method and the like. According to the method, after a base plate with dovetail grooves and a surface plate with dovetail grooves are in interference fit, the base plate and the surface plate are composited together through combination of a metallurgical bonding mode and a squeezing meshing mode of the dovetail grooves under the actions of energy of explosives or a rolling mechanism. Physical and chemical properties of metal sheets on the two sides of a dovetail groove combination interface are not changed, and large-area metal sheet composition can be conducted; the explosive charge for a unit of compositing area is small, and atmospheric pollution, noise pollution, explosion vibration and overpressure are reduced; during explosive welding of the metal sheets with the dovetail grooves, no boundary effect exists, the compositing effect on the periphery is good, and the lower limit and the upper limit of an explosive welding window are both increased. The compositing technology of the dovetail groove metal plate clearance fit interface can be applied to the fields such as chemical reaction containers and ships so as to meet the requirement for large-area metal composite plates.

The invention discloses a wood powder filled polypropylene and polyethylene composite material and a preparation method for the same. Components of the composite material comprise, by mass, 20-30% of polypropylene and polyethylene mixed resins, 60-70% of wood powder, 3-7% of polymeric compatibilizer, 1-2% of dispersing agent, 1-2% of coupling agent and 1-2% of antioxidant, wherein the polypropylene and polyethylene mixed resins refer to high-flowability mixed reclaimed materials reclaimed on the market and has the melt flow rate higher than 15g/10min, the wood powder refers to wood materials reclaimed on the market, and the grain size of the wood powder ranges from 80 meshes to 100 meshes. By the aid of the composite material and the preparation method, waste plastics and wood can be reclaimed, so that a great number of wood chips and the mixed PP (polypropylene) and PE (polyethylene) reclaimed materials are consumed, and environmental pollution is avoided. Besides, the wood powder filled polypropylene and polyethylene composite material is excellent in comprehensive performance, and has the advantages of plastics and wood.

The invention discloses a preparation method of a framework reinforcement compound hammerhead. The made compound hammerhead is formed by compounding a framework reinforcement containing hard phase anda base metal. The method comprises the following processes: making a framework prefabricated part by utilizing a pipe thread filled with hard materials; carrying out vacuum high temperature metallurgy sintering on the framework perform so as to make the framework reinforcement containing the hard phase; and compounding the framework reinforcement with the base metal for molding to form the hammerhead formed by compounding the framework reinforcement containing the hard phase and the base metal. The framework reinforcement forms a sufficient metallurgical structure through vacuum high temperature metallurgy sintering, has orderly arrangement, uniform distribution, stable performance and strong integrity, and can keep complete framework structure when being compounded with the base metal. The invention not only exerts the highly wearable property of the hard phase in the framework reinforcement, but also keeps good toughness of the base metal, and can carry out local compound, graded compound or overall compound, thereby achieving the best use effect and obviously enhancing the comprehensive property.

This invention relates to an in-situ hydrolysis method for preparing TiO2-doped porous composite polymer electrolyte for Li-ion batteries. The method comprises: (1) dropping diluted tetrabutyl titanate (TBT) solution into mixed acetone solution under stirring to obtain white TiO2 sol; (2) adding PVDF-HFP and n-butanol into white TiO2 sol, heating to 40-60 deg.C and stirring for 2-4 h; (3) preparing TiO2-doped porous composite polymer membrane, and immersing in Li-ion battery electrolytic solution to obtain ion-conductive electrolyte membrane. The method improves the porous network strcture of the electrolyte membrane, and TiO2 is uniformly distributed without forming aggregates. Besides, TiO2 is closely linked with the polymer matrix, thus improving the electrochemical and mechanical properties of the electrolyte membrane.

The invention relates to a multilayer composite hard alloy product and a manufacturing method of the multilayer composite hard alloy product. Specifically, the invention discloses a multilayer composite hard alloy product, at least comprising a first layer of hard alloy (1) and a second layer of hard alloy (2) which is bonded with the first layer of hard alloy (1), wherein the combination between the first layer of hard alloy (1) and the second layer of hard alloy (2) is metallurgical bonding; and an apparent interface exists between the first layer of hard alloy (1) and the second layer of hard alloy (2). The invention also relates to a method for manufacturing the multilayer composite hard alloy product. The multilayer composite hard alloy product manufactured according to the invention has the advantages of simple, rapid and controllable manufacturing process, high reliability and high product property repeatability, and is capable of satisfying the specific working condition of having different requirements for the mechanical properties of different parts of the product.

The invention discloses a casting method for a steel-copper composite cylinder body. The casting method comprises the steps of performing three-dimensional modeling, designing a casting technology and performing technology simulation and optimization, performing base steel heat treatment, performing machining, tool machining and welding, performing base steel surface treatment, performing pre-heating treatment before base steel production, smelting copper alloy, dipping the copper alloy, melting anhydrous borax, putting base steel into a borax solution, pouring the copper alloy into the base steel, putting the base steel into a water tank and cooling and solidifying the base steel to room temperature to obtain the steel-copper composite cylinder body. According to the casting method, the problems of the composite casting technology and the composite material composition of the steel-copper cylinder body can be solved; and the composite strength of the thermometal cylinder body can be high, the yield can be high, the cost can be low, the size of the cylinder body can not be limited, the forming process can be controlled easily, and the quality can be stable.

The invention discloses a wall decoration board, a UV transfer printing and coating technology thereof, and applications thereof. The wall decoration board is characterized in that the back surface of a substrate is coated with a UV back coating layer; the front surface of the substrate is sequentially coated with a UV penetration primer; the UV penetration primer is coated with UV filling putty; the UV filling putty is coated with a UV roller coat sanding primer; the UV roller coat sanding primer is coated with a UV rolling coat before-sprinkling roller; the UV rolling coat before-sprinkling roller is coated with a UV covering white primer; the UV covering white primer is coated with UV transfer printing glue; a transfer printing film is subjected to UV solidification and transfer printing on the UV transfer printing glue; the transfer printing film is coated with an adhesive; the adhesive is coated with a UV primer or a UV outdoor varnish layer; and the UV outdoor varnish layer is coated with a film covering layer. The wall decoration board is highly environment-friendly, is good in compound effect, water boiling resistance, water resistance, yellowing resistance and weather resistance, has multiple kinds of patterns, and is high in coating efficiency.

The invention relates to borate antiwear and extreme pressure additive and a preparation method thereof. The additive mainly comprises oil media, dispersant and macromolecule polymerization borate, and the weight percentage is as follows: 10 to 50 percent of oil media, 1-5 percent of dispersant and 50 to 90 percent of macromolecule polymerization borate; the oil media is the mixture of mineral base oil, synthetic base oil, mineral oil and synthetic oil; the dispersant adopts C12-C22 fatty acid metallic soap or C12-C22 hydroxyl fatty acid metallic soap; the preparation method is, firstly, according to the molar ratio of 1:1 to 0.2:1, caustic potash and boric acid are added in a certain amount of water in sequence, and heated to 70 to 90 DEG C and react for a certain time; secondly, one or several types of the above base oil is added, and heated to 100 to 200 DEG C, the water is evaporated, and then heated to 200 to 230 DEG C, and polymerization reaction lasts for 0.5 to 1h; thirdly, the mixture is cooled down to approximate 180 DEG C, one or several types of the above dispersant is added, and continuously cooled down to approximate 110 DEG C, took out of the reaction vessel, homogenized under high pressure with a homogenization pump, and the finished product is obtained; the invention has the advantages that the technology is simple; the operation is easy; the water resistance is good; the steadiness is good; the antiwear and extreme pressure property is excellent; and the application range of the borate is widened.

The invention discloses a silicon carbon negative electrode material of a lithium ion battery and a preparation method of the silicon carbon negative electrode material, and mainly aims to improve thecomposite effect between silicon or oxide thereof and graphite by solving the technical problems so as to lower material polarization and improve material cycle performance. The negative electrode material is obtained by the steps of performing surface treatment and roasting and dispersing on silicon or oxide thereof, next, mixing with carbon micro powder and an organic carbon source, and performing coating, and finally carrying out carbonization treatment. Compared with the prior art, the silicon carbon negative electrode material prepared in the invention has relatively high cycling performance, excellent processability and easy batch production.

The invention discloses a fluoroplastic combining device and method and provides a combining device and method of a composite PTFE plate, which are capable of completely changing the non-sticky property of fluoroplastic and endowing the PTFE plate with excellent corrosion resistance and enable the PTFE plate to be spliced and combined with other materials. The technical problems that the PTFE plate treatment technology is only limited to surface treatment, and a lining layer is peeled and bulged and even worse, severe safety accidents are resulted because a surface activation layer easily loses effectiveness are solved. The combining device comprises a first drying tunnel and a second drying tunnel which are arranged side by side, wherein a PTFE plate unwinding machine and a composite film unwinding machine are arranged at the inlet end of the first drying tunnel side by side; the PTFE plate and a composite film are synchronously introduced into the first drying tunnel through a fixed-speed base material conveying mechanism after being superposed; a glass fiber cloth unwinding machine is arranged at the inlet end of the second drying tunnel; a plating press is arranged between the outlet ends of the first drying tunnel and the second drying tunnel; the PTFE plate and the composite film, which go out of the first drying tunnel, and glass fiber cloth going out of the second drying tunnel are superposed and then are extruded and combined through the plating press to form the composite PTFE plate; the composite PTFE plate winds a winding roller through a cooling mechanism.

The invention discloses a production method of an aluminum-plastic plate. The aluminum-plastic plate produced by the method has the effects of being good in corrosion resistance effect and plastic coating effect, and high in tensile strength. The aluminum-plastic plate is characterized by comprising an upper aluminum alloy layer, a middle layer and a lower aluminum alloy layer which are sequentially connected with one another, wherein the middle layer is prepared from flame-retardant material polyethylene (PE) plastic profiles; the upper aluminum alloy layer and the lower aluminum alloy layer are respectively sprayed with a flame-retardant coating; a filling ring groove is formed at the peripheral side of the middle layer and is positioned between the upper aluminum alloy layer and the lower aluminum alloy layer; the filling ring groove is internally filled with thermosetting resin. The production process comprises the following steps: (1) a degreasing process; (2) coating process; (3) compounding process; (4) strengthening process. The production method of the aluminum-plastic plate is suitable for the technical field of aluminum-plastic plate production.

The invention provides an explosive cladding method for a groove type hot melt interface of a metal plate and an explosive device. According to the method, grooves are formed in the surface of a metal base plate at first, the grooved interface is cleaned up, raw materials of a covering plate are melted in a high-temperature furnace, a part of melted liquid flows into groove cavities, under the thermal action of the high-temperature liquid and the mechanical action of the grooves, primary combining of the covering plate and the base plate is achieved, then the covering plate is further squeezed into the grooves through an explosive method, the base plate and the covering plate squeeze each other and are combined closely, and tight combining force is achieved on the interface of the two metal plates. According to the explosive cladding method and the explosive device, the amount of explosives in unit area is small, a honeycomb aluminum explosive loading structure is adopted, the explosive amount and the cladding time can be saved, and meanwhile, atmospheric pollution, noise pollution, vibration and overpressure are reduced.