47results about How to "Good heat insulation and flame retardant performance" patented technology

The invention discloses a waterproof and fireproof thermal insulation wall. The thermal insulation wall is prepared from raw materials as follows: 350-400 parts of magnesium oxide, 150-200 parts of magnesium chloride, 4-5 parts of phosphoric acid, 10-15 parts of an organosilicon waterproofing agent and 60-80 parts of expanded perlite. The thermal insulation wall has the advantages as follows: a magnesium oxychloride cement product is a product capable of being recycled and comprehensively utilized and is widely applied in the construction industry due to the characteristics of low price, highmechanical strength, good wear resistance, excellent flame retardation and the like, however, the magnesium-oxy-chloride cement product has the characteristics of poor water resistance, high probability of buckling deformation and the like. After the organosilicon waterproofing agent is added, MgCl2-6H2O in slurry reacts more sufficiently, damping of the product is reduced, besides, a reaction produced product forms hydrophobic capillary channels, external moisture cannot enter the capillary channels, and the water resistance of the magnesium-oxy-chloride cement product is greatly enhanced. Phosphoric acid can improve stability of magnesium oxychloride cement hydrate in water. The expanded perlite has good thermal insulation and flame retardance effects and a good thermal insulation effectdue to the characteristic of porosity.

The invention relates to a manufacturing process of a fireproof and explosion-proof door, and belongs to the technical field of fireproof doors. The manufacturing process of the fireproof and explosion-proof door comprises the following steps that (1) a wooden door framework is impregnated in flame-retardant impregnation liquid, taken out and dried, and an impregnated door framework is manufactured; (2) a fireproof plate layer is bonded to one side of the impregnated door framework, a filling space is defined by the corresponding surfaces of the impregnated door framework and the fireproof plate layer, then a flame-retardant material is arranged in the filling space, a first flame-retardant layer is formed, a core material is arranged on the first flame-retardant layer, a core layer is formed, then the flame-retardant material is arranged on the core layer, and a second flame-retardant layer is formed; then a fireproof plate layer is bonded to the other side of the impregnated door framework; wherein the core material comprises perlite, and the flame-retardant material comprises silicon dioxide aerogel; and (3) flame-retardant density plates are bonded on the outer surfaces of thefireproof plate layers on the two sides of the impregnated door framework, and pressing is conducted to obtain the fireproof and explosion-proof door. The fireproof and explosion-proof door prepared by the manufacturing process is less in weight and has good fireproof and explosion-proof performance.

The invention relates to the technical field of composite foam and aerogel, and discloses a preparation method of heat-insulating and flame-retardant composite aerogel foam, wherein the preparation method comprises the steps: uniformly stirring and mixing fiber type clay slurry and natural polymer sol, adding a cross-linking agent, and continuously stirring uniformly to obtain clay-natural polymer composite slurry; taking melamine foam, immersing into the composite slurry, and uniformly extruding the foam to enable the composite slurry to be filled with the melamine foam; infiltrating the melamine foam with the composite slurry in water or an alkaline solution to form gel, and aging the gel to obtain composite gel foam; and freezing the composite gel foam at an ultralow temperature, carrying out solvent replacement by using an alcoholic solution at a low temperature, and finally drying at normal pressure to obtain the clay-natural polymer-melamine composite aerogel foam. The prepared composite aerogel foam is low in density, low in shrinkage rate and good in mechanical property, has a micropore-mesopore-macropore hierarchical pore structure, and also has great potential application in the fields of adsorption separation, energy storage and the like.

The invention discloses a composite plastic pipe comprising a pipe body, wherein the pipe body comprises an inner pipe body and an outer pipe body, a gap layer is formed between the inner pipe body and the outer pipe body; and skeletons are arranged in the gap layer. The two ends of each skeleton are respectively connected with the inner pipe body and the outer pipe body; a plurality of the skeletons are arranged at intervals around the central axis of the pipe body as a center, and adjacent skeletons and the inner pipe body and the outer pipe body form receiving through-cavities. Each receiving through-cavity is filled with a heat insulating foam material; the pipe further comprises an end cap ring, the end cap ring can covers the end of the pipe body; the end cap ring is provided with aplurality of convex blocks, and the convex blocks are externally covered with rubber layers; the convex blocks are in one-to-one correspondence with the receiving through-cavities, and the convex blocks can be in interference fit with the receiving through-cavities. The present invention also discloses equipment for producing the composite plastic pipe. The composite plastic pipe has the advantages of good heat insulation and good flame retardancy uniformity.

The invention discloses a manufacturing method of a fire blanket. The method comprises the following steps of: A, preprocessing of glass fiber cloth; B, preparation of mucilage; C, preparation of fire-retardant glue; D, fire-retardant glue coating of the glass fiber cloth; E, sulfuration of the glass fiber cloth; F, cutting, sewing and inspection packaging of the sulfurated glass fiber cloth so as to obtain the fire blanket. According to the manufacturing method of the fire blanket, which is disclosed by the invention, an original process is simplified, use performance of the fire blanket is improved, production efficiency of the fire blanket is improved and production cost is reduced.

The invention discloses an intumescent fire-retardant coating with ultrahigh corrosion resistance and a preparation method of the intumescent fire-retardant coating. The fireproof coating is composed of water, a dispersing agent, a wetting agent, a defoaming agent, a composite charring catalyst, a composite foaming agent, pentaerythritol, mica powder, kaolin, aluminum triphosphate, zinc phosphate, magnesium hydroxide, VAE emulsion, a freeze-thawing agent, a coalescing agent, a thickening agent and the like. On the basis of existing fire prevention, a series of anti-corrosion and heat-insulation filler and salt spray resistant auxiliaries are added to achieve a certain salt spray resistant effect. The fireproof coating disclosed by the invention has fireproof and anti-corrosion functions, does not contain organic solvents, is low in price and high in construction tolerance, and has a wide application prospect in the field of intumescent fireproof coatings.

The invention discloses an electric wire capable of resisting high temperature of 1000 DEG C, which comprises multiple sets of conductors, and further comprises a belting layer and a braided shieldinglayer, wherein the conductors are coated with insulating layers to form insulating wire cores, the three insulating wire cores are combined and are coated with the braided shielding layer, the braided shielding layer is sequentially coated with an elastic heat insulation layer and a loose tube from inside to outside to form main wire cores, a reinforcing core is arranged among the plurality of main wire cores, the plurality of main wire cores are all arranged in a belting layer, the belting layer is sequentially coated with a braided heat-resistant layer, an inner sheath, a braided armor layer and an outer sheath from inside to outside, and the belting layer is filled with heat insulation flame-retardant particles. The conductor is externally provided with a ceramic silicone rubber insulating layer, so that the fireproof performance of the conductor insulating layer can be effectively improved; compared with a transmission oxidized mineral insulating layer, the fireproof performance,the flame-retardant performance, the low-smoke performance, the non-toxic performance and other characteristics are excellent; and the belting tape layer is filled with the heat-insulation flame-retardant particles, the good heat-insulation flame-retardant effect can be achieved, and meanwhile, the structural stability and the weighing performance of the cable can be effectively improved.

The invention discloses a multi-layer heat insulation and preservation pipe which comprises a pipe body. The pipe body comprises an inner layer pipe body and an outer layer pipe body; a gap layer is formed between the inner layer pipe body and the outer layer pipe body; a skeleton is arranged in the gap layer, and the two ends of the skeleton are connected with the inner layer pipe body and the outer layer pipe body respectively; dry root skeletons are arranged around the central axis of the pipe bodies at intervals, and containing through cavities are formed among the adjacent skeletons, theinner layer pipe body and the outer layer pipe body, and the containing through cavities are filled with heat insulation foaming materials; the pipe further comprises an end cover ring, and the end cover ring can cover the end of the pipe body; a plurality of protrusions are arranged on the end cover ring, and the protrusions are coated with rubber layers; the protrusions correspond to the containing through cavities one to one, and the protrusions can be in interference fit with the containing through cavities. The invention further discloses a device for machining the multi-layer heat insulation and preservation pipe. The pipe has the advantages of being good in heat insulation and flame retardance.

The present application relates to the technical field of mica composite materials, in particular to a mica composite with low thermal conductivity applied between electric cores for thermal runaway protection and a preparation method thereof. A low-thermal-conduction mica composite with thermal runaway protection applied between batteries, including a porous heat-insulating material layer as a core layer and a composite mica sheet compounded on the upper and lower surfaces of the porous heat-insulating material layer; the surface heat of the composite mica sheet Pressed composite with reinforced grid cloth; composite mica sheet is prepared from the following raw materials: surface modified composite mica composition, dilution solvent, toughening filler, low thermal conductivity filler, silicone resin, coupling agent; toughening The filler is a mixture of aromatic polyamide fiber filaments, alumina fibers, and silicon carbide whiskers; the low thermal conductivity filler is a mixture of fluorocarbon resin powder, inorganic hollow microspheres, and zirconia. The application has good heat insulation and flame retardant performance, and can ensure good thermal runaway protection performance when used between batteries, and can improve the safety of new energy vehicle batteries.

The invention discloses a fire-resistant and high-temperature-resistant control cable, which comprises a plurality of sets of conductors, including heat-dissipating strengthening tubes, the conductors are covered with an insulating layer to form an insulated wire core, and a plurality of insulated wire cores are covered with a braided shielding layer, and the braided shielding The outer layer is covered with a high-temperature resistant loose tube to form the main core, and multiple main cores are combined and coated with a fireproof heat insulation layer, a flame-retardant inner sheath, a braided armor layer, and a flame-retardant outer sheath, and the heat dissipation strengthening tube Located between multiple main wire cores, multiple support frames are equidistantly fixedly connected to the heat dissipation strengthening tube, and the interior of the fireproof and heat insulation layer is also filled with heat-insulating and flame-retardant particles; a polytetrafluoroethylene material is set between multiple main wire cores The heat dissipation strengthening tube has a fine appearance structure, no mechanical impurities and high strength. The main core is located in the central gap of multiple main cores, which increases the structural stability, tensile performance and high temperature resistance of the cable; and through the surface of the heat dissipation strengthening tube Multiple ventilation holes can play a role in heat dissipation and improve the internal heat resistance of the cable.

The invention relates to a rockwool-filled heat-insulating flame-retardant polyvinyl chloride fireproof door and a production method thereof. A door body of the fireproof door is made from, in percent by weight: antimony trioxide Sb2O3 flame retardant added under 5-10%; door plate grille of the fireproof door is filled with rockwool; the surface of the door body of the fireproof door is applied a layer of polyester flame-retardant film; the polyester flame-retardant film is made by: adding polyurethane into dimethyl methyl phosphonate DMMP flame retardant in halogenated phosphates and film blowing. The rockwool-filled heat-insulating flame-retardant polyvinyl chloride fireproof door has good heat-insulating and flame-retardant effects and good fireproof performance, is better than polyvinyl chloride foam doors of the prior art, meets the high requirements on performance and fully meets the fireproof requirements.