267results about How to "Insulation has" patented technology

The present invention provides one kind of inorganic insulating adhesive for soft magnetic metal powder core. The inorganic insulating adhesive consists of SiO2, Al2O3, ZrO2, mica powder and water mixed together, and possesses both insulating and adhering functions. The present invention also provides the method of using the inorganic insulating adhesive in preparing soft magnetic metal powder core. Using the inorganic insulating adhesive can result in high magnetic performance of the magnetic metal powder core and enhanced mechanical strength, and the soft magnetic powder core without organic matter contained has no ageing and performance degradation caused by heat.

The invention discloses an acroleic acid emulsion paint with ornamental, heat-proof and water-proof effect and preparing method, which comprises the following steps: (1) allocating raw material with 7-20% active calcium carbonate, 5.5-15% titanium white, 3-10% porcelain clay, 50-70% high molecular polymer, 1.5-5% nanometer emulsion, 0.0001-0.01% water-based color and water; putting one or two modify acroleic acid emulsion and acroleic acid emulsion into stirrer; emulsifying and stirring at 10-20 min; (2) grinding the active calcium carbonate, titanium white and porcelain clay to fine particle; mixing evenly to standby; getting mixture; (3) putting the mixture into stirrer with water as medium; mixing evenly; (4) filtering with filter; (5) injecting into toning autoclave; dipping color; stirring evenly; getting the product. This paint not only can be used to exterior wall and roofing or inner wall, but also can be used to metal, concrete or mortar, lumber and plastic.

The invention discloses an elastic thin-layer insulating coating layer on the base of building wall or metal surface, which comprises the following parts: base, middle layer, surface layer and protective layer, wherein the base is epoxy zinc-rich paint, which is hydraulic sealed paint; the protective layer is transparent dirt-proof aging-tolerance liquid; the middle layer contains elastic emulsion of film acroleic acid, hollow filler of modified insulating silicate, solar reflecting dye; the surface layer concludes elastic emulsion of membrane acroleic acid, infrared irradiation ceramic filler, hollow filler of modified insulating silicate, solar reflecting dye, which coordinate.

The invention discloses a prefabricated slab and a fixed mounting structure thereof. The prefabricated slab comprises a light steel frame, a front board and a rear board, wherein the light steel frame comprises a left border, a right border, an upper border, and a lower border, which are enclosed together to form a square frame; U-shaped notches of the left border and the right border are respectively arranged towards the left and the right, so that the prefabricated slab can be inserted together with a structure member through the U-shaped notches; mounting holes through which bolts penetrate to fix the prefabricated slab on the structure member are arranged on front and rear connecting arms of the left and right borders; the front board and the rear board are respectively paved on the light steel frame as front and rear panels of the light steel frame; and the top surfaces and the bottom surfaces of the upper and lower borders are exposed outside. The light steel frame is internally built into the prefabricated slab; the light board is paved outside a skeleton by a 'stressed-skin effect' technology; the performance stronger than that of a single material is developed; and the light steel skeleton internally arranged inside the prefabricated slab is exposed at the periphery of the prefabricated slab, so that the prefabricated slab can be conveniently and effectively connected with a steel structure by the existing steel structure connecting technology.

The invention discloses an expanded polytetrafluoroethylene film coating composite material with functions like heat conduction, heat insulation, electric conduction and electromagnetic shielding and a preparation method thereof. The composite material comprises at least one expanded polytetrafluoroethylene film layer, a graphene electric-conductive and heat-transfer coating and a silica aerogel coating, wherein the surface of one side of the at least one expanded polytetrafluoroethylene film layer is compounded with the graphene electric-conductive and heat-transfer coating; and the surface of the other side of the at least one expanded polytetrafluoroethylene film layer is compounded with the silica aerogel coating. Thus, the problems of attachment compactness and fastness of the graphene electric-conductive and heat-transfer coating and the heat-insulating silica aerogel coating can be solved; the expanded polytetrafluoroethylene film coating composite material with functions like heat conduction, heat insulation, electric conduction and electromagnetic shielding has the advantages of good softness and bonding properties, strong coating tensile resistance, no cracking, small material thickness and environmental aging resistance; meanwhile, the coating-free surface of the expanded polytetrafluoroethylene has the functions of insulation and isolation.

The invention relates to an integrative external wall heat insulating decorative board for inorganic cotton metal finish and a preparation method thereof, wherein the heat insulating decorative board comprises a heat insulating layer and a finish layer, the heat insulating layer is molded by carrying out hybrid pressing on the inorganic cotton and inorganic salt composite cementing materials, the finish layer is a sheet metal, the heat retaining layer and the finish layer are pressed and molded integrally by an adhesive. The heat insulating layer of the heat insulating decorative board is made of a natural inorganic cotton material, thereby having excellent properties of non-toxicity, insipidity, corrosion resistance, incombustibility, acid and alkali resistance, heat insulation and preservation. At the same time, the metal finish has good flame retardant, waterproof and anti-cracking functions, the wall and the heat insulating layer are protected optimally, and the visual effects of high grade and luxury, decoration and environment beautification are achieved.

The invention belongs to the field of novel heat insulation material technology and specifically relates to a coal ash-iron tailing based porous heat insulation material and a preparation method thereof. The preparation method of the coal ash-iron tailing porous heat insulation material is characterized by mixing solid mixed powder and water, granulating and burning, wherein the water, by mass, accounts for 8% to 15% of the solid mixed powder, the solid mixed powder is prepared by mixing a powdery solid waste, a binder, a fluxing flexibilizer and a composite foaming agent, and the solid mixed powder comprises, by mass, 30% to 60% of the powdery solid waste, 30% to 50% of the binder, 5% to 20% of the fluxing flexibilizer and 5% to 10% of the composite foaming agent. The porous heat insulation material is characterized by high compressive strength, heat insulation and lightness and the method not only improves the use ratio of resources, but also reduces the environmental pollution caused by the waste.

The present invention provides one kind of inorganic insulating adhesive for soft magnetic metal powder core. The inorganic insulating adhesive consists of SiO2, Al2O3, ZrO2, mica powder and water mixed together, and possesses both insulating and adhering functions. The present invention also provides the method of using the inorganic insulating adhesive in preparing soft magnetic metal powder core. Using the inorganic insulating adhesive can result in high magnetic performance of the magnetic metal powder core and enhanced mechanical strength, and the soft magnetic powder core without organic matter contained has no ageing and performance degradation caused by heat.

The invention provides a method and equipment for producing an external wall selfinsulation composite ecological light wall plate. The method comprises the following steps of: (1) sending a multicellular plate material to a production line; (2) mixing materials and sieving; (3) adding plant fibers into the materials, putting the mixed materials in a tank after the mixed materials are stirred; (4) stirring the mixed materials into slurry; (5) pouring the slurry to produce a first layer of plasterboard; (6) spreading a grid cloth and a foam plate on the first layer of the plasterboard for secondary pouring to produce a foam plaster layer; and (7) spreading the grid cloth on the foam plaster layer for third pouring, and spreading and pressing an adhesive tape on the poured foam plaster layer to produce a finished product which is cut into pieces and is loaded and transported into a warehouse. The equipment comprises a backplane feeding support (1), conveyors (2, 9), a grading screen (3), hoisting machines (4, 7), mixers (5, 11), a storage tank (8), a pressure distributor (12), a leveling device (19), a forming machine frame (20), a cutting machine (21) and a plate grasping and feeding machine (23). The method and the equipment have the advantages of reasonable structure, perfect process, continuous operation, great increased yield, heat insulated product, energy conservation, sound isolation and ecological environmental protection.

The invention discloses an insulation board made of fiber reinforced composites. The insulation board is characterized in that enhancement layers are paved on an upper layer and a lower layer of an insulation layer, and are of glass fiber gridding cloth. The invention also discloses a preparation method of the insulation board made of fiber reinforced composites. The preparation method comprises the steps of mixing all raw materials of the insulation layer with water uniformly; pouring the slurry mixed uniformly into a mold, wherein the glass fiber gridding cloth is paved at the bottom of the mold; paving a layer of glass fiber gridding cloth on the upper layer of the slurry; after the paving, pressing and molding the slurry. Due to the mode, the double layers of glass fiber gridding cloth are adopted for enhancing, so that the size stability, the shock resistance and the crack resistance of the insulation plate are improved obviously; the requirement on the insulation and fire resistance of an outer wall are met by adopting the technology that inorganic bond materials wrap the insulation fillers; and the service life of the insulation board is long and basically keeps the pace with that of a building.

The invention discloses a composite thermal insulation heat-proof concrete wall and assemblage type mould, which is characterized by the following: the wall two-side mould is composed of polystyrene thermal insulation material; double-row tooth fold steel is set in the each side mould; the transverse section of double-row tooth fold steel displays U-shape; the base plate of double-row tooth fold steel and one side surface of mould are in the same plane; two side plates of double-row tooth fold steel extends the other side surface of mould; the attachment connects the through-hole at even distance allocation on two side plates of double-row tooth fold steel; the attachment pierces the hole of double-row tooth fold steel side plate corresponding to two-side mould to connect the wall two sides; the net-hung rivet hole is drilled in the middle part of double-row tooth fold steel along certain vertical distance; the transverse and vertical plugging part connects the same position attachment of double-row tooth fold steel corresponding to the wall two side mould, which locks joint along the transverse and vertical direction. The mould becomes the wall inner and outer side thermal insulation layer after casting the concrete.

The present invention relates to a coating material with characteristics of efficiency, energy saving, heat shield, cooling and corrosion resistance, wherein the coating material is a three-layer composite material formed from a corrosion resistance bottom layer, a thermal insulation middle layer and a heat radiating surface layer, the corrosion resistance bottom layer is epoxy zinc-rich paint, the thermal insulation middle layer comprises a three-component coating material and a curing agent according to a weight ratio of 35-50:1, and the heat radiating surface layer is a composite surface layer adopting a polyurethane resin as a film forming substance. Compared with the coating material in the prior art, the coating material of the present invention integrates advantages of corrosion resistance, thermal barrier, heat reflection, and heat radiation.

The invention discloses a heat-insulating decorative fireproof partition board for an exterior wall of a building and a construction method thereof. The heat-insulating fireproof decorative board adopts a heat-insulating foaming ceramic board made of fireproof materials as a fireproof partition and heat-insulating material; the heat-insulating foaming ceramic board, an enhanced panel and veneer materials form an integrated board with the functions of fire prevention, heat insulation and decoration; integrated boards are arranged along the horizontal direction of the building at intervals of certain height in a heat-insulating system for the exterior wall of the building or arranged on upper edges of window and door openings of the building to form a fire barrier, so that the flame propagation can be effectively prevented and the fire damage can be reduced; the heat-insulating fireproof decorative board is bonded with a base course wall of the building through cement mortar at first and then anchored and supported through a machine; and exterior finishes can be painted with fluorocarbon paint, fluorocarbon metallic paint, stone-like paint and the like and be matched with a conventional heat-insulating decorative board for the exterior wall of the building for use. The heat-insulating decorative fireproof partition board disclosed by the invention can be used as a fireproof construction measure to be widely applied to heat-insulating projects of exterior walls of the building industry, and has the advantages of fire prevention, heat insulation, durability, impact resistance, good decorative effect and the like. The construction method disclosed by the invention has the advantages of advanced technology, economy and rationality, convenience for assembly, low energy consumption for construction, and conformity with the national requirements of environmental protection and energy saving.

The invention discloses an environment friendly, light composite temperature keeping wall and installing process thereof. The wall comprises EPS boards, pre-embedded column reinforcing bars and pre-embedded beam reinforcing bars. First concave slots are opened on one edge of the EPS boards, outward extending tables and an inward opened second concave slots are disposed on symmetric two edges adjacent to the edge, a column reinforcing bar accommodating pore is disposed on the EPS boards between the table and the second concave slot along the longitudinal direction of the board. Beam reinforcing bars are accommodated in the first concave slot. The process includes pre-embedding the column reinforcing bars, installing a ground beam, covering the pore of the EPS board on the top of column reinforcing bars, lowering a EPS board along a column reinforcing bar to the bottom in contact with the ground beam; lowering other EPS boards of the first layer by analogy; installing, binding beam reinforcing bars, rigid coupling a fire proof heat insulation layer, a fire proof heat insulation film and a impact resistant board on the outer surface of the EPS board, concrete casting for the first layer installation completion; making other layers by analogy. The invention is environment friendly, temperature keeping, light in weight, fast in installation speed.

The invention discloses an inorganic particle foam concrete composite insulation board and a production method thereof. The composite insulation board mainly comprises cement, water, hydrophobic vitreous beads, a cement foaming agent, and one or several of coal ash, quartz tailing powder, siliceous slag and micro silicon powder. The composite insulation board of the present invention has the following excellent performances: fire protection, energy saving, insulation, durability and environmental protection.

The invention relates to an insulating concrete material and a preparation method thereof. The concrete material is prepared by mixing a cementing material, coarse aggregate, fine aggregate, insulating additive, admixture and water, wherein the using amount of the cementing material is 350 to 700kg / m<3>; the using amount of the coarse aggregate is 850 to 1,150kg / m<3>; the using amount of the insulating additive is 20 to 150kg / m<3>; the admixture in an amount which is 0.2 to 2.0 percent based on the mass of the cementing material is used; and the volume rate of sand is 35 to 52 percent; and the ratio of water to the cementing material is 0.23 to 0.40. The electrical resistivity of the concrete material can be improved obviously, and the insulating concrete material is prepared, and can be used for the field with the insulating requirement on a concrete structure.

The invention belongs to the technical field of new wall materials, and relates to a vitrified microsphere / fly ash composite external wall insulation board made of expanded vitrified microspheres and fly ash as main raw materials. A vitrified microbead / fly ash composite external wall insulation board of the present invention is composed of a thermal insulation layer and a protective layer, and the thermal insulation layer is made of the following raw materials in parts by weight: 100 parts of fly ash, 100 parts of expanded vitrified microspheres -250 parts, 10-25 parts of quick-hardening sulphoaluminate cement, 40-60 parts of water glass, 2-8 parts of emulsified paraffin; the protective layer is made of the following raw materials in parts by weight: 100 parts of quick-hardening sulphoaluminate cement 100 parts of fly ash, 200 parts of quartz sand, 5 parts of glass fiber, 2 parts of polycarboxylate superplasticizer, 5 parts of redispersible latex powder, 40 parts of water; Vitrified beads / fly ash composite external wall insulation board. The vitrified microsphere / fly ash composite outer wall insulation board of the present invention has the function of fire prevention, and has the advantages of light weight, heat preservation, heat insulation, etc., and has a prospect of popularization and application.

The invention discloses a high-performance two-component polyurethane external thermal insulation anti-crack leveling mortar which is prepared by mixing a component A and a component B, wherein the component A comprises the following compositions in percentage by weight: 60 to 80 percent of gelled materials, 20 to 30 percent of aggregates and 0 to 10 percent of functional admixtures; and the component B is water repellents. The construction method of the mortar comprises the following steps: mixing the component A and the component B; adding an appropriate amount of water in the obtained mixture; and uniformly stirring the obtained object until the obtained object reaches the consistence suitable for mechanical spraying or manual construction, namely, the obtained object can be subject to mechanical spraying or manual construction. The external thermal insulation anti-crack leveling mortar of the invention has the advantages of low water absorption rate, low modular ratio, high caking property and stable performance; and the interface processing carried out on a polyurethane insulation coating can be omitted, and the quality problems that a polyurethane external thermal insulation system is easy to produce crazes and hollowing, and the like can be solved.

The invention relates to an electricity-insulation heat-conduction powder, an electricity-insulation heat-conduction material based on the electricity-insulation heat-conduction powder, a preparation method of the powder, and a preparation method of the material. The electricity-insulation heat-conduction powder comprises graphite intercalation compound particles, the microstructure of the graphite intercalation compound particles comprises a plurality of graphite crystal grains, and a nanometer heat-conduction electricity-insulation metal oxide distributed between carbon atom layers of single graphite intercalation compound particles, and the surface of the graphite intercalation compound particles is coated with a heat-conduction electricity-insulation metal oxide. The graphite intercalation compound particles in the electricity-insulation heat-conduction powder prepared through the preparation method of the powder have the characteristics of electricity insulation and heat conduction. The electricity-insulation heat-conduction powder has a high heat conductivity and an electricity insulation characteristic, and is very suitable for preparing heat conduction plastics, heat conduction rubber, heat conduction materials and the like.

The invention relates to a reactive type modified bituminous waterproof sheet material with a gold foil surface. The reactive type modified bituminous waterproof sheet material with the gold foil surface is characterized by comprising a gold foil sheet layer, a modified bituminous binding layer, and an isolating membrane protection layer, wherein the modified bituminous binding layer is arranged in the middle, the gold foil sheet layer is arranged at the upper layer and the isolating membrane protection layer is arranged at the lower layer; and the three layers of waterproof sheet materials are bound together by hot melting in the production process. The waterproof sheet material is a high-grade sheet material used for exposed walls or interior walls needing water resistance, the reactive type modified bituminous layer can creep and permeate into cement gel and concrete pores in the solidification process of cement and concrete, the chemical cross-linking reaction can be produced at a contact interface so as to form a basal plane reaction layer with high binding force, inreversible binding, both severe and soft binding and relatively durable binding, a close, firm and inreversible binding effect can be achieved, and the reactive type modified bituminous waterproof sheet material can be applied to columns, inner walls, outer walls and basements of important places needing the water resistance.

The invention discloses a low-voltage flexible electrothermal film and a preparation method therefor. The electrothermal film comprises an insulating base material, an electrode layer, a conductive heating layer, a heat conducting and infrared radiation layer and an externally connected wire; each layer is formed by printing, and drying is completed in a drying channel; and the electrothermal filmis applicable to electrothermal clothes. The low-voltage flexible electrothermal film has the advantages as follows: large-area heating at a low voltage (3.7V) can be realized; the heat conducting and radiation layer is adopted to replace an insulation protection layer above the existing heating layer; the layer also has the insulation protection, heat conducting and infrared radiation functions;by adopting the multi-point externally connected wire mode to replace the existing method for improving conductivity of an external electrode, basically same voltages in each point on the external electrode is realized, so that cost is lowered, and meanwhile, electrode flexibility and stability are reinforced; and a mature printing mode is adopted to manufacture the electrothermal film to replacethe existing troublesome, time-consuming and strict working procedure, so that the technical threshold for manufacturing the low-voltage flexible electrothermal film is lowered, thereby facilitatinglarge-scale industrial production of the electrothermal film.

The invention discloses a heat insulation coating, comprising 100 parts by weight of resin emulsion, 15-30 parts by weight of hollow glass microspheres having the grain size being 60-120 microns, 5-15 parts by weight of nephrite having the grain size being 2-45 microns, and 25-50 parts by weight of titanium dioxide having the grain size being 2-45 microns, wherein the hollow glass microspheres, the nephrite and the titanium dioxide are mixed in the resin emulsion. The heat insulation coating provided by the invention contains aerogel and nephrite, and has the functions of heat insulation, sound insulation, water proofing, and anti-condensation, and thus can be sprayed on the surface of a building or an object easily. The heat insulation coating can be sprayed on the surfaces of the buildings and other objects; and especially for the interior wall and the exterior wall of the building, a heat insulation layer can be formed on the surface of the wall after the heat insulation coating is sprayed on the surface, so that transfer of heat can be cut off effectively. Besides, when the heat insulation coating is sprayed on the interior wall of the building, the coating is hotter in a hot situation and colder in a cold situation; and when the heat insulation coating is sprayed on the exterior wall of the building, the coating is colder in a hot condition and hotter in a cold condition. The heat insulation coating is obvious in energy saving effect in winter and summer.

The present invention discloses a high performance polymer foaming cement thermal insulation material, which comprises, by weight, 30-50 parts of cement, 5-15 parts of fly ash, 0.1-0.4 part of anti-cracking fiber, 0-0.3 part of a reinforcing agent, 0-2 parts of redispersible latex powder or an emulsion, 25-35 parts of water, and 2.0-4.0 parts of a composite foaming agent. The preparation method comprises: weighing various components; adding the water, the anti-cracking fiber and the reinforcing agent; stirring for 1-2 minutes; then adding the fly ash and the cement, and stirring for 2-3 minutes; then adding the composite foaming agent, and stirring for 10-20 seconds; placing the resulting slurry in a mold, standing for 2-3 hours, and then carrying out demolding; and cutting after 24 hours, then packaging, and carrying out concrete curing until the curing time is 28 days. The foaming cement thermal insulation material of the present invention is a lightweight material with a fire-protection rating of class A, has characteristics of thermal insulation, durability, heat insulation, sound insulation and environment protection, and is used for building interior and exterior insulation materials, fire barriers, roofing thermal insulation materials, and the like.

The invention discloses an agriculture straw regeneration fire-proof heat preservation plate material. The agriculture straw regeneration fire-proof heatpreservation plate material comprises raw materials, by weight, 60-80 parts of agriculture straw, 10-15 parts of binder, 3-6 parts of metal oxide, 3-7 parts of water-proof agent, 3-5 parts of fire retardant, 15-20 parts of modified kaolin, 12-18 parts of white cement and 20-26 parts water. The agriculture straw regeneration fire-proof heat preservation plate material has the excellent properties of rapid prototyping, heat insulation and heat preservation, inflaming retarding, mould proof, deliquescence resistance, high strength and the like, the plate material is divided into a pressed inner core and an outer surface coating layer, the problems of being prone to breaking billet, sticking plate and demoulding are solved, continuous production is achieved, and the production efficiency is improved greatly; and meanwhile, the source of the main raw materials of the agriculture straw regeneration fire-proof heat insulation plate material is wide, the cost is low, the technology is simple and clear, and the high practical value and the good application prospect are achieved.

Disclosed are a composite heat-preservation insulation concrete structural system wall body door and a window opening mould; an opening internal mould plate, an opening external mould plate and a sealing plate made of foam plastic are arranged around the opening and connected to form a U-shaped opening on the transverse section of the opening; the U-shaped opening orients the wall body side; a positioning strip is connected between the U-shaped opening of the opening internal mould plate and the opening external mould plate; the opening internal mould plate and the opening external mould plate are connected with the internal and external mould plates of the insulation and heat-preservation wall body; the sealing plate is positioned at the bottom part of the U-shaped opening close to the opening frame plate. The heat-preservation insulation concrete structural system wall body door and the window opening mould has the advantages that the rapid and accurate mounting of a door or a window on the wall body part is realized; the opening mould is mounted on the wall body door or the window opening part and connected with the composite heat-preservation insulation concrete wall body to form an accurate concrete wall body casting mould; the wall body door and the window opening mould can be cast together with the wall body concrete integrally without being demounted; a door or a window can be directly mounted on the opening mould; various mounting requirements of the door or window on the wall body part are satisfied.

The invention relates to a dolomite magnesium cement inner and outer wall fireproof decoration board and a preparation method thereof, belonging to the chemical building material field. The decoration board contains caustic dolomite powder, magnesium chloride, light filler, inert filler, water and thermal insulation material, wherein the weight ratio of caustic dolomite powder to magnesium chloride to light filler to inert filler to water to thermal insulation material is 1.00:(0.12-0.40):(0.10-0.60):(0.05-0.30):(0.44-1.20):(0.05-0.30) and a defined amount of reinforced material is added. The preparation method comprises the following steps: mixing slurry, shaping and curing, and maintaining. The building inner and outer wall fireproof decoration board prepared by the method in the invention has the following advantages: the decoration board is fireproof, heat-insulated, corrosion-resistant, shockproof, environmentally friendly and energy-saving and has high strength, good water resistance, easy construction method, simple production technology, low energy consumption and the like. The decoration board is an updated product which can replace various boards such as plywoods, density boards, shaving boards and gypsum plaster boards and the like, belongs to the green and environmentally friendly building material and can be widely used in the building industry.

The invention discloses a combined wall which is arranged between two adjacent stand columns of a building. The combined wall comprises a top keel, a bottom keel, side keels and a filling plate. The top keel is opposite to the bottom keel. The two ends of both the top keel and the bottom keel are embedded into the two adjacent stand columns respectively. One end of each side keel is arranged on the top keel, and the other end of each side keel is arranged on the bottom keel. The filling plate is detachably arranged in a space formed by the side keels, the stand columns, the top keel and the bottom keel in a filling mode and / or detachably arranged in a space formed by every two adjacent side keels, the top keel and the bottom keel in a filling mode. An external wall thermal insulation decoration integrated wallboard is tightly attached to the outer side of a wall body, and an internal wall decoration integrated wallboard is tightly attached to the inner side of the wall body. The combined wall is the combined wall body capable of conducting heat preservation, heat insulation and sound insulation, wherein the combined wall body is characterized in that an inner insulated board, a middle insulated boar and an outer insulated board clamp two air layers, that is, the combined wall is an anti-seismic and environment-friendly spliced wall body formed by combing the three wallboards and all the keels.

The invention relates to a composite heat dissipation layer of a power component, a technology of the composite heat dissipation layer of the power component and the power component with the composite heat dissipation layer. The composite heat dissipation layer is formed by compositing at least one thin insulating layer and at least one thin solid metal heat dissipation layer. The bottom layer of the thin composite heat dissipation layer is the thin insulating layer, and the insulating layer located at the bottom layer is used for being closely attached to the outer surface of the power component. After the composite heat dissipation layer is combined with the power component, the thin composite heat dissipation layer formed by compositing at least one thin insulating layer and at least one thin solid metal heat dissipation layer can be formed quickly on the surface of the power component; the thin composite heat dissipation layer can form a cambered heat dissipation layer on the surface of the power component, wherein the heat dissipation layer is of an arbitrary shape and is attached to the component. In this way, the weight of a product is uniform; traditional single sided heat conduction is transformed to multiple sided composite heat conduction by utilizing high heat conductivity of metal ( traditionally, single sided heat conduction is mainly adopted, and the heat conduction is not uniform in different directions); therefore, the heat produced by the power component can be conducted quickly and effectively, the temperature rise of the protected power component is reduced, and the service life of the power component is prolonged.

The invention discloses a magnesium oxychloride cement foam light wallboard and a preparation method as well as equipment. The two surfaces of the wallboard are made of a mixture of glass fiber cloth and magnesium oxychloride cement; the middle part of the wallboard is made of a magnesium oxychloride cement foam material; and the magnesium oxychloride cement foam material is mainly prepared from MgO, MgCl2 and H2O. The magnesium oxychloride cement foam light wallboard has the advantages of water prevention, thermal insulation, heat preservation, shock absorption, high temperature resistance, light weight, high strength and convenience in mounting and construction. Through the magnesium oxychloride cement foam light wallboard, the problem of over high load of a high-rise building can be solved; and the volume weight of the wallboard can be controlled to be below 500kg / cu.m, so that the load is greatly reduced. Through the wallboard, the problem that the building is warm in winter and cool in summer can be solved; and the wallboard has thermal insulation, heat preservation and excellent water-proof performance. The wallboard has two extremely smooth surfaces and can be directly usedas a decorative material.

The invention discloses synthetic leather for flame retardant, insulating, cooling, sun protecting and waterproof tarpaulins and a preparation method of the synthetic leather. The synthetic leather comprises a surface layer, a cooling layer, a heat-reflecting layer, an intermediate layer and a matrix layer, the surface layer has the function of waterproofing, sun protecting and ultraviolet light shielding, the cooling layer has the function of heat insulation and cooling, the heat-reflecting layer can reflect the near infrared light in the band of solar light to achieve heat reflection, the effect of flame retardancy can be realized in the intermediate layer, and the matrix layer has good flame retardancy and the capacity to reflect sunlight. The synthetic leather has the multiple functions including flame retardancy, heat insulation and cooling, sun protecting and waterproofing, the sun protecting and heat insulation functions are shared by a multi-layer structure, shortcomings and defects of poor effect of flame retardancy, heat insulation, sun protection and the like of existing tarpaulins are overcome, and wide application field is achieved; the preparation method has the advantages of low energy consumption and easy realization, and is beneficial to large-scale production of the synthetic leather for the flame retardant, insulating, cooling, sun protecting and waterproof tarpaulins.