172results about How to "Good insulation" patented technology

The invention relates to the technical field of copper-clad plates, in particular to a resin composition, a resin-coated copper foil produced by the same and a copper-clad plate produced by the resin-coated copper foil. The resin composition comprises the following components in percentage by weight: 45 to 80 percent of epoxy resin mixture, 15 to 50 percent of stuffing, 1 to 8 percent of curing agent, 0.01 to 2 percent of curing accelerator, and a proper amount of solvent. The resin composition is used to prepare the resin-coated copper foil, and then the resin-coated copper foil is used to produce the copper-clad plate so as to change the prior manufacturing method of copper-clad plates with high comparative tracking index and solve the technical problems of dry flowers, cloth mark exposure and inadequate thickness accuracy of the copper-clad plate and the like; the resin-coated copper foil also has the characteristics of long storage period, easy management and convenient use; and the resin-coated copper foil has a thin insulating dielectric layer, and is convenient to produce thin copper-clad plates with high comparative tracking index characteristic and multi-layer printed circuit boards.

The brazing flux of the present invention contains epoxy resin and organic carboxylic acid, and is characterized in that, for the combination of epoxy resin and organic carboxylic acid, for 1.0 equivalent of epoxy group, 0.8-2.0 equivalent of carboxyl group is combined, relative to the total amount of flux, The total content of the epoxy resin and the organic carboxylic acid is 70% by mass or more. The lead-free solder composition of the present invention contains lead-free solder and solder flux. When using the soldering flux of the present invention or the lead-free solder composition of the present invention, soldering is performed with a lead-free solder having a melting point higher than that of lead-based solder (for example, a melting point of 190 to 240° C.), the activity of the flux is maintained, and the solder The wettability is very good, and it does not hinder the hardening of the sealing resin even if the flux residue is not cleaned.

The invention discloses a coating formula of oriented silicon steel barrier coat; the coating formula comprises the following components in parts by weight: 10-15 parts of light-weight magnesium oxide, 0-3 parts of nano magnesium oxide, 0.5-1.5 parts of titanium dioxide, 0.1-1.0 part of boride, 0-0.5 parts of antimonide and 79-89 parts of de-ionized water. The coat prepared according to the formula can enable the surface of an oriented silicon steel to form excellent magnesium silicate film substrate layer, and thus the surface quality, the magnetism and the activity of the silicon steel are improved; the formula not only can be used for normal oriented silicon steel but also can be used for high magnetic strength oriented silicon steel.

The electromagnetic pot capable of sending magnetic signal of temperature includes one pot body and at least one temperature sensing magnetic steel block serving as the temperature signal generating element, especially specific temperature signal sending element, fixed to the bottom of the pot body. The temperature sensing magnetic steel block may serve as heating and temperature maintaining element and can send one ferromagnetism losing signal to the electromagnetic oven while it reaches the Curie temperature. The present invention makes it possible for the electromagnetic oven with one magnetic inducing element to convert temperature control program, so as to make the electromagnetic oven automatic and to expand the use of electromagnetic oven and electromagnetic pot.

The invention discloses halogen-free and flame-retardant hard polyurethane foam plastic and a preparation method thereof, relating to foam plastic. Raw materials include polyether polyol 4110, polymethylene polyphenyl isocyanate, a tertiary amine catalyst, dibutyltin dilaurate, a silicon-carbon bond foam stabilizer, 2,4,6-tri(dimethylaminomethyl)phenol, a foaming agent, octa-(3-hydroxyl-3-methyl butyl dimethylsiloxy)silsesquioxane, dimethyl methylphosphonate and micron-sized alpha-alumina trihydrate. The method comprises the following steps of: mixing the polyether polyol 4110, tertiary aminecatalyst, dibutyltin dilaurate, silicon-carbon bond foam stabilizer, 2,4,6-tri(dimethylaminomethyl)phenol, foaming agent, octa-(3-hydroxyl-3-methyl butyl dimethylsiloxy)silsesquioxane and micron-sized alpha-alumina trihydrate to obtain A; adding the dimethyl methylphosphonate into A to obtain B; and adding the polymethylene polyphenyl isocyanate into B, pouring into a mold for foaming, curing anddemolding to obtain the halogen-free and flame-retardant hard polyurethane foam plastic.

The invention discloses skin-core structure aerogel composite fibers as well as a preparation method and application thereof. The preparation method comprises the following steps: treating aerogel particles and a polymer material through a skin-core compound spinning method, and carrying out synchronous compounding on the aerogel particles and the polymer material with a molten state at the tail end of a spinneret orifice through a guide pipe structure or a slit structure; synchronously carrying out wire drawing and cooling to form the skin-core structure aerogel composite fibers, wherein theskin-core structure aerogel composite fibers comprises a core containing the aerogel particles and a skin layer covering the core and the skin layer comprises the polymer material. The preparation method disclosed by the invention has the advantages of simple production technology, uniform aerogel-polymer compounding, complete preservation of an aerogel structure, advanced production equipment andthe like; the obtained skin-core structure aerogel composite fibers have the characteristics of excellent heat insulation performance, heat preservation effect, sound isolation performance, adsorption and filtering performance, thermal stability, no dust, economical efficiency and environmental protection and the like, and have a great application potential in the fields of clothing, home textiles, industrial heat preservation, adsorption and filtering and the like.

The invention discloses an insulated and flame-retardant nylon composite material with high thermal conductivity. The insulated and flame-retardant nylon composite material comprises the following components in parts by weight: 10-20 parts of nylon 6, 10-25 parts of nylon 66, 10-25 parts of magnesium nitride, 5-10 parts of super fine light magnesium carbonate, 5-15 parts of light magnesium oxide, 5-30 parts of magnesium hydroxide, 5-8 parts of fiberglass, 1-5 parts of elastomers, 0.1-0.5 part of coupling agents, and 0.1-0.5 part of antioxidants. The preparation method comprises the following steps: respectively preparing heat-conducting masterbatch and enhanced masterbatch from the nylon 6, the magnesium nitride, the nylon 66 and the fiberglass; adding to a mixture of the magnesium carbonate, the magnesium oxide, the magnesium hydroxide and the coupling agent; and evenly mixing, and adding the elastomers and the antioxidants to pelletize, so as to obtain the composite material. The material has the thermal conductivity of 25W/mk, the fire resistance of UL-94V-0 grade, good insulativity, and excellent mechanical property, and the requirements of the market on the materials with high thermal conductivity and high flame retardancy can be met.

Each feed-through pin of a multiple-phase, high voltage plug-pin connector comprises at least one conductor having a first insulation layer extending along at least part of its length, the insulation layer having an enlarged, load-bearing portion of non-circular cross-section having oppositely directed projections, configured for engagement in a correspondingly shaped bore portion of the connector shell. The load-bearing portions may be of a rhomboidal cross sectional shape with rounded corners, with a first diagonal length shorter than a second diagonal length. The pins are spaced around the central longitudinal axis of the shell with the shorter diagonal of each load-bearing portion extending radially and the oppositely directed projections extending into the radial spaces in the shell between adjacent pins. This arrangement allows space within a limited diameter feed through hole for the enlarged, load-bearing shoulder portions of the insulation layer.

The invention discloses a polyimide ultra-short fiber and a preparation method thereof and relates to the field of fiber preparation. According to the preparation method disclosed by the invention, batch preparation of polyimide fiber products with a fiber diameter nanoscale and a length micro scale can be realized. For the polyimide ultra-short fiber disclosed by the invention, the length of thefiber is 2 to 500mu m, the diameter of the fiber is 0.1 to 50mu m, and specific area is 2 to 30m<2>/g. By utilizing the physical and chemical properties at different heat treatment temperatures in thepreparation process of the polyimide fiber, dispersion and ultrashort properties of the fiber are realized more easily by adopting physical and mechanical methods in a state that the polyimide fiberis incompletely imidized; then complete imidization of the polyimide fiber is realized by high-temperature treatment; finally, the polyimide ultra-short fiber is obtained by a method of mechanical pulverization, lapping and shifting. The polyimide ultra-short fiber obtained by the preparation method disclosed by the invention has the characteristics of high and low temperature resistance, ultraviolet irradiation resistance, good insulating property and the like, and can be used for preparing a slurry coating solution, reinforcing resin, rubber and the like, forming pulp and the like.

The invention belongs to the technical field of preparation of lubricating agents for lubricating solid, and particularly relates to a quick-dry type dry film lubricating agent and a preparation method thereof. The quick-dry type dry film lubricating agent consists of the following raw materials in percentages by weight: 10-70% of a solid lubricating agent, 4-10% of a wear-resistant additive, 0.2-5% of a dispersing agent, 1-5% of an antioxidant, 0.5-2.5% of a solid additive, 10-50% of a tackifier and 5-20% of an anti-wear reagent at extreme pressure. The preparation method comprises the following steps: evenly mixing and stirring the various weighed components; carrying out ultrasonic oscillation on the components for 30-60 minutes in a stirring process; drying the components at the temperature of 80-100 DEG C until the weight percentage of water in the components is 20-30%; and grinding the dried components to obtain the lubricating agent. The film forming speed is high, the film forming time is about 15-30 seconds at normal temperature, and a film covers evenly.

The invention relates to an aluminum-chromium-zirconium refractory material for preparing wear-resistant prefabricated parts. The raw materials for its preparation include the following raw materials in weight percentages: 55-75% of fused corundum with a particle size of 0.044-8 mm, and partially stabilized zirconia with a particle size of 0.21-0.044 mm. 5-20%, 0.030-0.040mm chromium oxide 3-8%, Al2O3≥70% pure calcium aluminate cement 3-10%, ρ-alumina micropowder 1-8%. The refractory material has strong thermal shock resistance, enhanced slag resistance, enhanced wear resistance and impact resistance, which greatly reduces the large-area structural spalling of the refractory material due to temperature changes, and has a small thermal expansion coefficient and low thermal conductivity. , Extended service life.

The invention discloses a traction, rolling and unrolling device of a heat preservation quilt for a solar-panel greenhouse. The traction, rolling and unrolling device comprises the solar-panel greenhouse, an unrolling device, a rolling device and the heat preservation quilt, wherein the top of the solar-panel greenhouse is arched; the unrolling device and the rolling device are respectively arranged on the two lateral walls of the solar-panel greenhouse; one end of the heat preservation quilt is fixedly provided with an unrolling guide rod, and the other end of the heat preservation quilt is fixedly provided with a plurality of evenly-distributed rolling ropes; the unrolling guide rod is fixedly provided with a plurality of evenly-distributed unrolling ropes; the other ends of the unrolling ropes are fixed onto the unrolling device; the other ends of the rolling ropes are fixed onto the rolling device; a pair of guide plates in front-rear symmetry are arranged on the front and rear lateral walls in the length direction of the solar-panel greenhouse; the unrolling guide rod is slidably arranged on the guide plates. By the traction, rolling and unrolling device, the heat preservation quilt is flat and smooth when being unrolled at the top of the solar-panel greenhouse, and a better heat preservation effect is achieved; when the heat preservation quilt is rolled, the heat preservation quilt is stored at the lower end of the lateral wall of the solar-panel greenhouse, and sunlight incidence is unaffected.

The invention relates to the technical field of smart home, and particularly relates to a remote-controlled drinking water robot based on a smart terminal. The drinking water robot comprises a water dispenser, a cloud server, and a smart terminal. The water dispenser is connected with the cloud server. The cloud server is connected with the smart terminal. The smart terminal is equipped with an APP of the water dispenser. Users can remotely control the water dispenser by operating the APP. The drinking water robot can bring great convenience to people's life, has strong practicability, and is suitable for popularization in the field.

The invention discloses a sealing material of a medium temperature plate type solid-oxide fuel battery stack, which comprises the following components: Al2O3 powder, glass powder and an organic additive which is taken as a binder and a plasticizer, wherein the glass powder is composed of BaO with mass percentage of 20%-25%, B2O3 with mass percentage of 10%-15%, MgO with mass percentage of 20%-25%, ZnO with mass percentage of 10-15% and SiO2 with mass percentage of 30%-35%, its particle size is about 5-10mum; and the particle size of the Al2O3 powder is about 1-10mum. The invention also discloses a method for using the sealing material to seal the medium temperature plate type solid-oxide fuel battery stack. According to the invention, the tight accumulation of the sealing particles can be realized, the leakage rate of the sealing materials can be reduced, the mechanical properties of the materials can be increased, and the gas sealing can be effectively realized by the sealing mode which is convenient for operating and processing.

The invention relates to a flame-retardant smoke inhibitor for sprayed polyurethane foams as well as a preparation method and application of the flame-retardant smoke inhibitor, and belongs to the technical field of halogen-free flame retardant. By virtue of inorganic-organic synergistic flame retardant, cerium hydroxide/magnesium hydrate synergistic flame retardant, silicon/nitrogen/phosphorus synergistic flame retardant and intumescent flame retardant techniques and a surface modification technique, the flame-retardant smoke inhibitor is free of halogen and has the characteristics of small addition amount in a sprayed polyurethane foam foamed raw material, good dispersibility, small starting speed influence on the sprayed polyurethane foam foamed raw material and the like. The flame retardant grade of the sprayed polyurethane foam foamed raw material with the flame-retardant smoke inhibitor can be B1 grade, the sprayed polyurethane foam foamed raw material also has the characteristics of low combustion smoke density and environment-friendliness, and the mechanical property can meet the use requirements. The sprayed polyurethane foam foamed raw material with the flame-retardant smoke inhibitor is a relatively ideal fireproof heat-preservation material and has relatively good economic and social benefits.

The invention provides mixed modified nano particle transformer oil and a preparation method thereof. The mixed modified nano particle transformer oil is formed by mixing modified nano boron nitride transformer oil and modified nano silicon dioxide transformer oil. The volume ratio of the modified nano boron nitride transformer oil to the modified nano silicon dioxide transformer oil ranges from 1:5 to 1:1. The preparation method includes the three steps of preparation of the modified nano boron nitride transformer oil, preparation of the modified nano silicon dioxide transformer oil and mixing. The mixed modified nano particle transformer oil has good insulating and heat conductive performance and can meet the requirements for large-capacity, ultrahigh-voltage-grade and small power transformers, equipment which is used is simple and easy to operate, and large-scale production can be achieved.

PROBLEM TO BE SOLVED: To provide a small-sized high voltage circuit breaker with large capacity, of which rated current is increased in coping with recent requirement of a power system, which can have large capacity and capable of being used in high voltage.SOLUTION: First, a third switching part 3 is opened, and a current to be broken is made to flow through a serial connection part of a first switching part 1 and a second switching part 2. Next, the current is broken by separating electrodes of a vacuum breaking part constituting the first switching part 1 from each other with a prescribed distance, and it is made to withstand transient oscillatory voltage impressed between the electrodes. Afterwards, for example, after a maximum arc period after the distance between the electrodes of the first switching part 1 gets into a prescribed distance, the second switching part 2 is opened, and made to withstand the more severe impulse voltage.

The invention provides a plant cultivation device. The plant cultivation device comprises a base, wherein a plurality of planting pots are arranged on the base, each planting pot comprises a plurality of unit pots which are superposed sequentially from bottom to top, a pot cover is arranged at the top of the corresponding superposed unit pots in a covering manner, each unit pot is a cubical pot body with a tapering inclination angle, the specification of a top opening of each cubical pot body is greater than that of a pot bottom of each cubical pot body, each cubical pot body has a semitransparent circumferential wall, an annular supporting edge is arranged at the inner circumferential side of each semitransparent circumferential wall, a plurality of ventilation holes are formed in the upper part of each semitransparent circumferential wall, a plurality of drainage holes are formed in the lower part of each semitransparent circumferential wall, a plurality of supporting columns are arranged at the inner side of each semitransparent circumferential wall in an integrated manner, water diversion passages are formed in the supporting columns, a window is formed in one side wall of each semitransparent circumferential wall, and a window plate is hinged to each window; and a watering hole and a charging hole are further formed in each pot cover. According to the plant cultivation device, the floor area is saved, water and fertilizers are efficiently utilized, heat and moisture are preserved, and lighting is guaranteed.

The present invention discloses a magnetic dielectric resin composition, which comprises, by weight, 30-100 parts by weight of a resin, 50-500 parts by weight of a magnetic filler, 0.1-7 parts by weight of an initiator, and 0.1-7 parts by weight of an accelerator, wherein the magnetic filler has resistivity of 100-1000 [omega].M. According to the present invention, the magnetic dielectric resin composition is used for the preparation of prepregs, laminates, copper clad laminates or circuit boards; and through the synergistic effect among different components in the magnetic dielectric resin composition, the prepared copper clad laminate has advantages of high magnetic permeability, good insulation property, low dielectric loss and high bending strength.

The invention discloses a waterproof heat-insulation exterior wall coating and a preparation method thereof. The waterproof heat-insulation exterior wall coating comprises the following components inparts by weight: 22-42 parts of a silicone-acrylic emulsion, 5-12 parts of alumina silicate fiber, 8-15 parts of hollow glass bead, 4-9 parts of pigments and fillers, 3-7 parts of expanded vermiculite, 1.3-2.8 parts of a dispersant, 0.6-1.4 parts of a levelling agent, 1.6-3.8 parts of a film-forming auxiliary agent, and 13-18 parts of deionized water. The waterproof heat-insulation exterior wall coating has excellent waterproof heat-insulation performance, the silicone-acrylic emulsion is used as a film-forming object, and fillers such as a nano SiO2 aerogel, hollow glass bead and expanded vermiculite are cooperated, and under cooperation of a plurality of auxiliary agents, the prepared coating has good heat insulation and water resisting performance.

The invention discloses a high-thermal-conductivity insulating silica gel gasket comprising the following raw materials in parts by mass: 100 parts of vinyl silicone oil, 800-2000 parts of a thermal conductive filler, 2-5 parts of a cross-linking agent, 2-8 parts of a modifier, 1-3 parts of a platinum catalyst and 0.05-0.1 part of an inhibitor, wherein the thermal conductive filler is composed ofat least one of nano aluminum nitride, cubic boron nitride and nano silicon carbide and dodecyltrimethoxysilane modified spherical aluminum oxide. The invention further provides a preparation method of the high-thermal-conductivity insulating silica gel gasket. Through filler modification treatment and compounding design, the product has excellent properties of high thermal conductivity, high insulation, chemical stability and the like, the thermal conductivity coefficient can reach 8 W/(m*K) or above, and the product is used in the fields of consumer electronics, 5G communication, high-powerchips and the like with high heat dissipation requirements.

The environment-friendly fireproof coating is prepared from the following raw materials: intercalated phase-change energy storage material modified core-shell emulsion, low-molecular-weight epoxy resin, phenolic fibers, a flame retardant, pigments and fillers, a plasticizer, a thickener, a flexibilizer, an emulsifier and a dispersing agent; the intercalated phase change energy storage material modified core-shell emulsion is a bentonite-urea intercalation compound modified acrylate core-shell emulsion; the low-molecular-weight epoxy resin is low-molecular-weight bisphenol F epoxy resin, and the average molecular weight of the low-molecular-weight epoxy resin is less than 700. According to the invention, the components are adjusted to the most scientific and most reasonable state; related properties and part of technical indexes such as flame retardance, rust resistance, waterproofness, leveling property and strength of the fireproof coating are improved, the cost is low, the coating isuniform, continuous, compact and wear-resistant; the toughness, coloring property, adhesiveness, dryness, certain gloss and other properties of the coating are improved, and the product quality is improved.

The invention discloses an insulation silicone rubber applied to cold shrink cable accessories and a preparation method of the insulation silicone rubber, and belongs to the technical field of cold shrink cable accessory materials. The insulation silicone rubber is prepared from the following raw materials in parts by weight: 100 parts of methyl vinyl silicone rubber, 30-45 parts of gas-phase method white carbon black, 3-5 parts of hydroxyl silicone oil, 5-10 parts of dimethyldiethoxysilane, 1-2 parts of gas-phase titanium dioxide, 0.5-1 part of zinc stearate and 0.5-1 part of a silane coupling agent. The invention also discloses the preparation method of the insulation silicone rubber applied to the cold shrink cable accessories. The insulation silicone rubber applied to the cold shrink cable accessories has the properties such as good retraction, resistance to ultraviolet aging, excellent insulation property and the like; the rubber is good in flowability when the rubber is used for producing and processing the cold shrink cable accessories.

The invention provides fire-resistant silicone rubber. The fire-resistant silicone rubber comprises the following raw materials: silicone rubber, white carbon black, glass fiber, glass beads, aluminumhydroxide, magnesium hydroxide, copper oxide, a heat stabilize, refractory fillers, a vulcanizing agent, a catalyst and hydroxyl silicone oil, wherein the catalyst takes carbon black as a carrier andtakes palladium, tungsten and platinum as active components, and the mass ratio of the palladium to the tungsten to the platinum to the carbon black is 1:2:5:100; the refractory fillers comprise quartz sand, mica powder, talcum powder and basalt; and the heat stabilizer comprises calcium carbonate, magnesium stearate, calcium stearate, zinc oxide and phosphite ester. The sources of the raw materials are wide, the preparation method is simple, the cost is low, and the prepared silicone rubber has high fire-resistant and flame-retardant properties and can be widely applied.

The invention relates to anti-fouling super-hydrophobic self-cleaning paint and a preparation method thereof. The anti-fouling super-hydrophobic self-cleaning paint is characterized by being composed of silicone glass cement, polyvinylidene fluoride powder particles, photocatalyst, arc-proof agent and organic solvent, wherein the silicone glass cement is 5-20wt% of the organic solvent, the polyvinylidene fluoride powder particles is 10-50wt% of the silicone glass cement, the photocatalyst is 10-50wt% of the silicone glass cement, and the arc-proof agent is 5-20wt% of the silicone glass cement. By adoption of the anti-fouling super-hydrophobic self-cleaning paint, a surface contact angle of a coating is larger than 150 degrees, excellent insulativity is achieved, and breakdown voltage is larger than 15kV/mm.

The invention discloses a passive battery thermal management device. The passive battery thermal management device comprises a battery pack, a battery box, a horizontal capillary heat tube in the box, a gravity heat tube, a horizontal capillary heat tube outside the box and a cooling device, wherein the battery box is sealed and is provided with a thermal preservation layer; a volatile liquid working medium is arranged in the gravity heat tube; the battery pack and the horizontal capillary heat tube in the box both are arranged in the battery box; the horizontal capillary heat tube in the box is arranged right above the battery pack, and the horizontal capillary heat tube outside the box is arranged right above the battery box; the gravity heat tube is connected with the horizontal capillary heat tube in the box and the horizontal capillary heat tube outside the box; the horizontal capillary heat tube outside the box is connected with the cooling device. The passive battery thermal management device is used for realizing the thermal management device of the battery pack by use of the gravity heat tube, namely a thermal dioxide, and the property of failure in heat conduction below a critical temperature, and can be used for solving the contradiction of the battery box between heat dissipation and thermal insulation; the battery box is sealed and is provided with the thermal preservation layer to achieve a good thermal insulation effect on the battery; as a result, maintenance is avoided in the total battery life cycle.

The invention relates to a light emitting diode packaging structure and a manufacturing method of the light emitting diode packaging structure. The light emitting diode packaging structure comprises a transparent substrate, an LED chip and a wire support which is installed on the transparent substrate. The LED chip is fixed on the transparent substrate. The electrode of the LED chip is connected with the wire support. The transparent substrate is made of transparent glass or a transparent sapphire substrate or transparent ceramic or organic transparent plastic. The transparent glass or the transparent sapphire substrate which is low in heat conducting coefficient is used as the transparent substrate, so that the heat radiating effect is good, the service life of the LED chip is beneficially prolonged, and then the service life of the light emitting diode packaging structure is beneficially prolonged.

The invention discloses a preparation method of a manganese-based low-temperature SCR (selective catalytic reduction) denitration catalyst supported on glass fiber cloth. The preparation method comprises steps including pretreatment of the glass fiber cloth, a process for supporting a manganese-based low-temperature SCR denitration catalyst on the glass fiber cloth by the aid of low-temperature glue for supporting of low-temperature denitration manganese-based catalysts, thermal treatment, infrared radiation treatment and the like. The prepared manganese-based low-temperature SCR denitration catalyst supported on the glass fiber cloth keeps the characteristics of good glass fiber insulativity, high thermal resistance, good corrosion resistance, high mechanical strength and the like; meanwhile, the catalyst is uniformly supported on glass fibers in the prepared material and has better firmness and excellent denitration performance under the low temperature condition (80-180 DEG C), the highest denitration rate can reach 98%, and the manganese-based low-temperature SCR denitration catalyst has wide application prospect.

The invention discloses industrial gloves, which are characterized in that each glove is divided into an inner layer and an outer layer, thermal insulation layers capable of blocking thermal radiation are arranged between the inner layers and the outer layers, the outer side of each outer layer is provided with a waterproof layer, and each hand back part of the industrial gloves is provided with a magnet. The industrial gloves have the advantages of reasonable structure, capability of thermal insulation and water prevention and high practicality.

The invention discloses a titanium alloy fireproof door in the technical field of building materials and a preparation method thereof. The titanium alloy fireproof door comprises a titanium alloy door frame, a fireproof coating layer and a fireproof core board, wherein the inner side of the titanium alloy door frame is coated with the fireproof coating layer. The thickness of the titanium alloy door frame is 0.4-0.5 mm, and the titanium alloy door frame comprises the following raw materials of, by weight, 15-20 parts of magnesium chloride, 90-120 parts of magnesium oxide, 110-130 parts of water, 0-0.25 part of coagulants, 0.25-0.3 part of retarders, 0.25-0.4 part of halogenide-resistant agent agents, 0.3-0.4 part of foaming agents and 0.5-0.7 part of glass fibers. According to the fire proof core board, brine is prepared through magnesium chloride, the proportions of the water, the magnesium chloride and the magnesium oxide are controlled strictly, the core board is prevented from re-halogenation, moisture absorption, frosting and the like, the fire proof core board is nontoxic, harmless, tasteless and better in chemical stabilization.