58results about How to "Fire hazard reduction" patented technology

The invention relates to a preparation method of an ammonium polyphosphate cladded microsphere flame retardant. The preparation method comprises the following steps: carrying out silylation modification on the CMSs by taking CMSs (Carbon Microspheres) as a carbon source and APP as an acid source and a gas source; dissolving the APP in hot water to prepare a suspension solution; mixing the APP suspension solution with a silylation modified CMSs dispersion solution and carrying out refluxing reaction; and cladding the silylation modified CMSs through the APP to prepare the CMSs-APP flame retardant. The flame retardant prepared by the method is used for preparing a flame-retarding PET (Polyethylene Terephthalate) composite material so that the flame-retarding performance of PET can be improved and the worsening, caused by the flame retardant, of mechanical properties of a PET matrix can be reduced to the greatest extent.

The invention discloses flame-retardant wallpaper as an indoor wall decoration material and a preparation method thereof. The preparation method for the flame-retardant wallpaper includes the following steps: after being immersed in a flame retardant solvent, a decorative veneer and a wallpaper substrate (backing paper) are ultrasonically immersed, so that a flame-retardant decorative veneer and a flame-retardant substrate are obtained; the flame-retardant decorative veneer is attached onto the surface of the flame-retardant substrate. The flame-retardant property of the wallpaper is good, the potential fire risk is low when the material burns, and the flame-retarding effect is remarkable; the smoke suppression effect is obvious, the amount of CO released from smoke is obviously reduced, toxic CO gas can be partially turned into non-toxic gas, and the wallpaper has a good effect of suppressing CO released at fire scenes. Moreover, since the adopted materials are natural materials, the wallpaper is safe to use.

The invention discloses an anti-flaming phase-change energy storage, heat preservation and heat insulation material and a preparation method thereof. The anti-flaming phase-change energy storage, heat preservation and heat insulation material is prepared from the following components: modified polyether polyol, polymethylene polyphenyl isocyanate, diethanol amine, triethylene diamine, stannous octoate, silicone oil, normal hexane, water, ammonium polyphosphate and melamine, wherein the modified polyether polyol is prepared by grafting a phase-change energy storage substance-polyethylene glycol to the polyether polyol by adopting phosphorus oxychloride as a coupling agent, and the phase-change energy storage substance can be completely reacted to the polyether polyol through a bonding mode. The anti-flaming phase-change energy storage, heat preservation and heat insulation material prepared by the invention not only has heat preservation and heat insulation properties, but also has flame resistance, great support is provided for heat preservation and heat insulation security of an outer wall of a building, and an important significance in promoting advancement and development of a fireproof technology of energy-saving engineering in China is obtained.

The invention relates to a preparation method for a novel layered nano PAL flame-retardant material. The preparation method comprises the following steps: a. conducting mineral dressing, crushing and purifying treatment to PAL mineral raw materials to prepare high-purity PAL materials with purity of 90-98 percent; b. conducting depolymerization and ultrafine crushing treatment to the high-purity PAL materials to prepare nano and submicron PAL materials with size less than 100-800nm; c. conducting inorganic activation to the nano and submicron PAL materials to prepared nano and submicron PAL materials with large specific surface area; d. conducting organic modification to the nano and submicron PAL materials with large specific surface area to prepare organic nano and submicron PAL materials; and e. the organic nano and submicron PAL materials being composited with polymeric matrixes to prepare polymeric layered nano PAL flame-retardant composite materials, or the organic nano and submicron PAL materials being composited with other fire-fighting materials to prepare layered nano PAL flame-retardant composite materials. The layered nano PAL flame-retardant materials prepared through the method have the advantages of flame retarding, low smoke, no toxicity, good environmental performance and the like.

The invention provides a high-flame-retardant soft PVC coated polyester yarn high-molecular composite sun-shading material, which is synthesized by PVC resin powder, a flame retardant and other auxiliary materials, wherein the main raw materials of the flame retardant comprise phosphate ester, zinc stannite, metal hydroxide, decabromodiphenyl ethane and antimony trioxide, and simultaneously contain chlorinated polyvinyl chloride and chlorinated paraffin; the coated polyester fiber is woven into a sunlight fabric with high-flame-retardant performance, and the limiting oxygen index can exceed 32.0 %. The high-molecular composite sun-shading material can interact with a gas phase and a solid phase through the compound system, the flame retardancy of the soft PVC coated polyester yarn high-molecular composite sun-shading material is significantly improved, the limiting oxygen index of the material is 32. 4 %, the problem of low limiting oxygen index of the high-molecular composite sun-shading material is solved, the flame retardant efficiency of products is significantly improved, the fire risk of products is reduced, the products are more competitive, this innovation has made a breakthrough in the flame retardancy of soft polymers in the textile field.

The invention belongs to the field of preparation of flame retardants, and particularly relates to a halogen-free flame-retardant thermoplastic polyurethane nano composite material and a preparation method thereof. The composite material comprises the following components in parts by weight: 58.8 to 59.7 parts of thermoplastic polyurethane and 0.3 to 1.2 parts of a hybrid flame retardant, whereinthe hybrid flame retardant is a layered titanium carbide-molybdenum trioxide hybrid flame retardant. The nano composite material prepared by the preparation method can realize efficient flame retardance, smoke suppression and toxicity reduction, reduces the fire hazard, and is simple in preparation principle and method.

The invention relates to a composition, a high-efficiency flame-retardant phase change thermal management composite material which is prepared from the composition and a preparation method of the composition and high-efficiency flame-retardant phase change thermal management composite material. The composition comprises, by weight, 25-90% of an alkane phase change material with a phase transitiontemperature of 20-60 DEG C, 5-15% of thermally conductive filler, 5-25% of one or more of the following flame retardants including aluminum hypophosphite, an ammonium polyphosphate-pentaerythritol composite and a phosphorus-nitrogen nanocomposite flame retardant, 0-30% of a resin-based material, 0-2% of an antioxidant and 0-3% of glass fiber. The composite material has excellent mechanical properties, high thermal conductivity, a high encapsulation rate for phase change materials and no leakage after phase change is performed, the temperature of a battery pack can be regulated effectively, andthe temperature of the battery pack can be controlled within an optimal working temperature range, so that the service life and reliability of the battery pack are improved; and a highest level of V-0 in the UL 94 standard is achieved, excellent flame retardant performance is achieved, and the safety of the battery pack is improved.

The invention relates to a foam material and a preparation method thereof, in particular to a urea resin foam material prepared by microwave foaming and a preparation method of the urea resin foam material. The urea resin foam material is prepared by three steps and prepared from, by weight, 100 parts of urea resin available for microwave foaming, 1-5 parts of a foaming agent, 2-7 parts of a surfactant and 0.1-3.5 parts of a curing agent. A microwave heating method is adopted and assisted by oven heating for forming. The urea resin foam material and the preparation method thereof have advantages of high foaming efficiency, high foaming ratio, technical simplicity, low cost, high flame retardation performance and low fire risk and can be widely applicable to the field of exterior insulation of buildings.

The invention discloses an MXene-based flame-retardant unsaturated resin material, and belongs to the technical field of flame-retardant materials. The MXene-based flame-retardant unsaturated resin material is prepared from the following components, by mass: 75.2 to 94 parts of unsaturated polyester resin, 0 to 20 parts of ammonium polyphosphate and 0 to 0.4 part of an MXene material, and the MXene material can be subjected to modification treatment by using 1-butyl-3-methylimidazolium hexafluorophosphate and a silane coupling agent. The MXene-based flame-retardant unsaturated resin material provided by the invention is further subjected to a cross-linking curing reaction with a curing agent and an accelerant to generate the MXene-based flame-retardant unsaturated resin molding material, and the generated MXene-based flame-retardant unsaturated resin molding material has good flame retardance.

The invention discloses a strength / toughness-modified urea formaldehyde resin foam thermal-insulation material and a preparation method thereof. The urea formaldehyde resin foam material is prepared from the following raw materials in percentage by weight: 80-97% of urea formaldehyde resin, 0.1-3% parts of foaming agent, 0.5-4% of surfactant, 0.1-1% of thickener, 0.1-1.5% of curing agent and 0.1-10% of modifier. The urea formaldehyde resin is synthesized by a three-step method; and the modifier can be added in the urea formaldehyde resin synthesis and foam emulsion preparation process. By adopting the physical foaming method, the uniform and stable foam emulsion is firstly prepared, and then, the foam emulsion is freely expanded in an open container. The strength / toughness-modified urea formaldehyde resin foam thermal-insulation material has the advantages of simple technique, low cost, favorable flame retardancy, small heat conductivity coefficient and small fire hazard coefficient, and can be applied to the field of building thermal-insulation materials.

The invention relates to the field of pet supplies, in particular to a cat appeasing pheromone and application thereof. The pheromone comprises fatty acid and plant extracts, wherein the fatty acid comprises 13.8%-15.0% of palmitic acid, 10.5%-12.6% of oleic acid, 3.0%-5.2% of stearic acid, 0.7%-3.5% of azelaic acid, 1.05%-3.50% of malonic acid, 0.2%-2.5% of myristic acid, 0.52%-2.05% of pimelic acid and 0.05%-1.25% of sebacic acid; the plant extracts comprise the following components in percentage: 0.1%-0.5% of geranium essential oil, 0.05%-0.65% of lavender essential oil and 0.05%-0.18% of rosemary essential oil, and further comprises 40.8%-65.5% of a dihydric alcohol mixed solvent. The product is used as an exogenous appeasing agent, has easy-to-volatilize and harmless raw materials, and is used in pet transportation or when pets need to adapt to a new environment with changed external factors.

The invention relates to an automatic fire alarm and fire-fighting linkage system for a photovoltaic module outside a window sill wall of a building, and the system comprises a central fire-fighting processor module which is used for receiving a fire signal and transmitting a fire extinguishing instruction and a turn-off instruction of the photovoltaic module; the power supply controller module is used for closing the photovoltaic module after the fire disaster occurs; the cable type linear fire detector module is used for detecting a fire signal of the photovoltaic module in real time; and the fire extinguishing device module is used for performing fire extinguishing operation after the fire occurs. Compared with the prior art, the photovoltaic assembly is installed on the window sill wall of the outer vertical face of the high-rise building, and the photovoltaic utilization rate is increased; aiming at the characteristics that after a building facade photovoltaic module is on fire, the smoke spreading direction is variable, and a temperature sensing and smoke sensing detector is not easy to monitor, a temperature sensing cable is adopted as a sensor, so that the monitoring accuracy is improved.

The present invention discloses a flame retardant bamboo wood processing latex paint and a preparation method thereof, and relates to the technical field of coatings, the flame retardant bamboo wood processing latex paint is prepared from the following raw materials: deionized water, pure acrylic emulsion, a flame retardant, bamboo carbon powder, a photocatalyst, 2-methyl-4-isothiazoline-3-one, a mildew preventive, an alkali-swellable acrylic thickener, titanium dioxide, talc powder and kaolin, the flame retardant bamboo wood processing latex paint has good flame retardant properties, strong covering power and washability, and can effectively slow or even stop the spread of a fire to protect people to avoid burns, or minimize economic loss.

The invention discloses a polyvinyl chloride cable material with an excellent flame-retardant property. The polyvinyl chloride cable material is prepared from, by weight, 110-120 parts of PVC resin, 8-12 parts of dioctyl phthalate, 15-19 parts of light calcium carbonate, 3-6 parts of fumed silica, 1-2 parts of turpentine, 0.5-0.9 part of dicumyl peroxide, 2-3 parts of antiager, 0.4-0.8 part of antioxygen, 1-2 parts of P-hydroxy diphenylketone, 2-3 parts of titanium dioxide, 1-2 parts of barium stearate, 4-6 parts of antimony oxide, 7-9 parts of mullite and 2-4 parts of titanium aluminum carbide. The invention further discloses a preparation method of the polyvinyl chloride cable material with the excellent flame-retardant property. The prepared polyvinyl chloride cable material has the good flame-retardant property and a good anti-aging property, is long in service life, and has broad market prospects.

The invention discloses an electronic communication cabinet based on the Internet of Things, relates to the technical field of electronic communication cabinets, and aims to solve the problems that aconventional electronic communication cabinet is poor in heat dissipation effect, so that the power consumption of a machine in the electronic communication cabinet is increased, and the performance and frequency reduction are reduced. A cooling bin is arranged at the upper end of the interior of the cabinet shell; a cabinet bin is arranged at the lower end of the cooling bin; a stretchable cabinet chamber is arranged on the cabinet bin; a stretchable door plate is arranged at one end of the stretchable cabinet chamber; and the stretchable door plates are provided with hand lifting grooves, the lower end of the cabinet shell is provided with a base, universal wheels are arranged at the four corners of the lower end of the base, cooling machines are arranged in the cooling bin, the lower end of each cooling machine is provided with a fan, and a bearing plate is arranged between the upper stretchable cabinet chamber and the lower stretchable cabinet chamber.

The invention relates to a jet flame and hydrocarbon flame resistant medium-voltage cable for an offshore oil platform and a manufacturing method thereof. A semi-conductive conductor shielding layer,an insulating layer and a semi-conductive insulating shielding layer wrap the periphery of a stranded tin-plated annealed copper conductor from inside to outside in a three-layer co-extrusion mode; atinned copper wire shielding layer is woven on the periphery of a semi-conductive insulation shielding layer to form a shielding wire core, a plurality of shielding wire cores are twisted to form a cable core, an inner silicone oil layer is extruded on the periphery of the cable core, an inner lining layer is extruded on the periphery of the inner silicone oil layer, a fireproof wrapping tape is wrapped on the periphery of the inner lining layer, and an armor layer is wrapped on the periphery of the fireproof wrapping tape; the periphery of the armor layer is extruded with an outer silicone oil layer, the periphery of the outer silicone oil layer is extruded with a jet flame and hydrocarbon flame resistant inner sheath, and the periphery of the jet flame and hydrocarbon flame resistant inner sheath is extruded with a slurry resistant cross-linked polyolefin outer sheath. The cable adopts a double-layer composite sheath, can bear high-temperature flame of 1300 DEG C for 120 minutes under rated voltage, and does not have a grounding fault or a short circuit.

The present invention relates to a powder solid die casting production line including an annular conveyor unit consisting of four conveyance mechanisms, a single-jaw rotary transfer mechanism, a mouldpushing mechanism, a die casting machine, a two-jaw rotary transfer mechanism, a mould loosening mechanism, a demoulding mechanism, a power cake delivery mechanism, an automatic metering and discharging device, and a plurality of jacking cylinders disposed in the annular conveyor unit. The present invention is highly automated, only a single person is needed to automatically complete the formation and delivery of powder solids, production efficiency is high, and the operator is completely isolated from the process, the production line can be monitored by a camera, the safety is good, the production cost of the product is greatly reduced, product promotion is facilitated, and fire hazards and social losses are reduced.

The invention relates to an intelligent electromagnetic heating type steam generator, which comprises multiple pipe bodies. The outside of each pipe body is sleeved with an electromagnetic heat generator, and the electromagnetic heat generator comprises an electromagnetic coil tube which sleeves the pipe body. The bottom of the multiple pipe bodies is communicated with a first water inlet pipe, one end of which is connected with two first water pump and the top of which is connected with a water outlet pipe. One side of the water outlet pipe, far from the first water inlet pipe, is provided with multiple steam outlets. The multiple pipe bodies are all connected with a same connecting pipe, the other end of which is connected with a second water inlet pipe. One end of the second water inletpipe, far from the connecting pipe, is connected with a second water pump. The intelligent electromagnetic heating type steam generator is environmentally-friendly and efficient, and has excellent heat insulation effect.

The invention discloses a cable material good in weathering resistance and further retardant in flame. The cable material is prepared from the following raw materials: high density polyethylene, an ethylene-octane copolymer, polyimide, carboxy nitrile rubber, epoxy butyl oleate, ethylene bistearamide, dicumyl peroxide, an accelerant TMTD (Tetramethyl Thiuram Disulfide), an antioxidant, an anti-aging agent, tripropylene glycol diacrylate, di-n-butyl sebacate, triallyl cyanurate, ammonium molybdate, gallium oxide, magnesium hydroxide and bentonite. The invention also discloses a preparation method of the cable material good in weathering resistance and further retardant in flame. The cable material prepared by the preparation method has favorable flame-retardant performance, also has excellent weathering resistance, is long in service life and has a wide market prospect.

This flame retardant grease composition does not ignite at 900 DEG C in a grease flammability test and includes: as a thickener, at least one selected from the group consisting of a metal soap based or urea-based thickener; as a base oil, a mineral oil having a kinematic viscosity at 40 DEG C of 300 to 1000 mm2 / s; as an anti-load additive, at least one selected from a sulfurized fat, a sulfurizedolefin, and a polysulfide; as a rust inhibitor, at least one selected from a zinc naphthenate and a sorbitan trioleate; and as a surfactant, a basic calcium phenate and a polyethylene glycol monooleate.

The invention discloses a phase change heat storage composite material with flame retardance and flexibility as well as a preparation method and application of the phase change heat storage composite material. The phase change heat storage composite material is prepared from phase change microcapsules, flaky aluminum oxide powder, hydroxyl-terminated polydimethylsiloxane, tetraethoxysilane, dibutyltin dilaurate and the like. The preparation method comprises the following steps: firstly, preparing a phase change microcapsule which takes paraffin as a core material and an inorganic non-combustible material as a wall material by adopting a self-assembly method; the preparation method comprises the following steps: preparing phase change microcapsules, uniformly stirring and mixing the prepared phase change microcapsules with flaky alumina powder, hydroxyl-terminated polydimethylsiloxane, tetraethoxysilane, dibutyltin dilaurate and other components, transferring the mixture into a mold, carrying out compression molding, and curing the obtained product in a drying oven to prepare the phase change heat storage composite material. The phase change heat storage composite material provided by the invention has good flame-retardant and flexible characteristics, can be used for a lithium ion battery heat management system, is simple and convenient in preparation method and low in material cost, and has relatively great industrial application potential.

The invention relates to a sofa and soft furniture with a fireproof function. According to the sofa and the soft furniture, a framework, foam plastic and a fabric are included; the sofa and the soft furniture are composed of a flame-retardant framework, flame-retardant polyurethane foam plastic, a soft fireproof gasket and a flame-retardant fabric, wherein the soft fireproof gasket coats on the surface of the flame-retardant polyurethane foam plastic; the flame-retardant polyurethane foam plastic coated with the soft fireproof gasket is fixed on the flame-retardant framework; and the flame-retardant fabric coats and is fixed on the flame-retardant polyurethane foam plastic coated with the soft fireproof gasket, and the flame-retardant framework. Compared with the prior art, the sofa and the soft furniture have the following beneficial effects that (1) the sofa or the soft furniture cannot be ignited by a small flame; and (2) even under the condition that the flame is relatively strong,the polyurethane foam plastic is difficult to participate in combustion due to the adoption of the flame-retardant treatment and the coating of the fireproof gasket, so that the fire hazard of the sofa or the soft furniture is greatly reduced.

The invention belongs to the technical field of flame-retardant materials, and particularly relates to preparation of a supramolecular network flame retardant and compounding of the supramolecular network flame retardant and other flame retardants in thermoplastic polyurethane. The flame-retardant thermoplastic polyurethane elastomer material is prepared from the following raw materials in parts by mass: 54.0 to 60.0 parts of thermoplastic polyurethane elastomer, 4.0 to 6.0 parts of silicon-coated ammonium polyphosphate flame retardant and 0.0 to 2.0 parts of melamine-phytic acid-copper ion supramolecular network flame retardant. The supramolecular network flame retardant prepared by the invention can obviously reduce the flammability of thermoplastic polyurethane and reduce the generation and release of toxic flue gas in the combustion process of the thermoplastic polyurethane, and has great significance for personal safety and environmental protection.

The invention discloses a method for repairing a traditional building by using glass fiber reinforced plastic materials, and particularly relates to the technical field of ancient building repair. According to the technical scheme, the method comprises a silicone mold, resin, fibers, flexible glue, a water-based environment-friendly paint color, gel coat brushing, fibrofelt, special epoxy resin and sealing vinyl resin. The method comprises the following specific process flows of (S1) analyzing a drawing so as to understand the surface effect and the overall structure; (S2) adopting a mode of separately manufacturing and modeling an arc-shaped tile, a cylindrical tile and a bottom beam and then integrally assembling and combining the arc-shaped tile, the cylindrical tile and the bottom beam; (S3) performing whole modeling on the tiles and the bottom beam; and (S4) placing the modeled tiles or bottom beam, and then performing gel coat spraying plus 300 # fiber layer I plus 450 fiber layer II plus skeleton shaping processes. The method has the beneficial effects that by combining the material characteristics of the building, the glass fiber reinforced plastic material repairing cost is low, the consumed time is short, the effect is fast, the environmental pollution is small, the hardness is high, and the waterproof and anti-corrosion properties are good.

The invention discloses a method for converting coal seam gas by adopting a novel catalyst, and belongs to the field of coal seam gas extraction. The method comprises the following specific steps that(1), a series of drill sites are arranged in a to-be-mined coal seam, and the drill holes are arranged in the coal seam through the drill sites; (2) the solution containing the catalyst is injected into the to-be-mined coal seam along the drill holes, gas in the coal seam is directly oxidized into methanol under the catalytic action, and the methanol is dissolved into the solution containing thecatalyst; and (3) the methanol solution containing the catalyst is extracted from the coal seam, the catalyst is separated from the methanol solution through an underground separation system, the separated catalyst is injected into the coal body again to realize cyclic utilization of the catalyst solution, and the methanol solution is stored into a methanol storage tank after purifying. Accordingto the method, gas in a free state can be extracted, and gas attached to the coal body can also be extracted, the gas extraction efficiency is greatly improved, and meanwhile the gas is converted anddissolved, so that the gas extraction safety is greatly improved.

The invention relates to a preparation method of a high-strength water-based strippable composite coating, and belongs to the technical field of strippable coatings. The composite coating is prepared by taking the styrene-acrylic emulsion as a base material and adding the modified silica sol, wherein the acrylate soft monomer in the styrene-acrylic emulsion can endow a coating film with good flexibility and durability, and the styrene hard monomer can endow the coating film with good hardness and structural strength; in addition, the functional monomer can form a stably dispersed composite emulsion in the coating and increase the crosslinking density of a coating film; so that the compactness is improved, silica sol and styrene-acrylic emulsion are compounded, silica sol particles are dehydrated during coating film forming, a Si-O bond crosslinked reticular coating film is formed, and SiO bonds can effectively improve the flexibility and impact resistance of the coating film.

The invention discloses thermoplastic resin composition. The thermoplastic resin composition comprises the following raw materials: thermoplastic resin, filler, a flame retardant and a weld line improver, wherein the weld line improver is anatase type and / or rutile type titanium dioxide having purity of 96% or higher and subjected to organic and / or inorganic surface treatment. The composition in the formula is applicable to various thermoplastic substrates such as engineering plastics including polyester and polyamide, and is also particularly applicable to manufacture of plastic parts needingmulti-gate injection molding or complicate-structured plastic parts with insert, cavity and thickness changes, and weld lines on products can be obviously improved or even eliminated.

The invention relates to the technical field of petrochemical engineering, and provides an adapter substitute connector and a connecting system. The adapter substitute connector comprises a connecting pipe, a stand column, two adjusting arms and joints. The adjusting arms are provided with balance systems and rotate around the balance systems. One end of each adjusting arm is connected with the corresponding joint, and the other end of each adjusting arm is connected with the connecting pipe. The stand column is provided with a bearing device, and the bearing device is connected with the connecting pipe and drives the connecting pipe to move in the front-back direction. According to the adapter substitute connector, the high-low position is adjusted through the adjusting arms, the front-back position is adjusted through a horizontal pipe, so that the angle and the length of the whole adapter substitute connector are adjusted, running, overflowing, dripping and leaking are reduced, and the fire dangerousness is reduced. The adapter substitute connector and the connecting system have the beneficial effects that installing is convenient, operation is flexible, dangerousness is low, and operation intensity of workers is low.