33 results about "Decabromodiphenyl ethane" patented technology

The invention belongs to the technical field of PVC coated cloth, and particularly relates to environment-friendly welding-resistant low-cost coated cloth meeting the BS7837 standard. The coated fabric is a PVC coated fabric, and a PVC coated fabric coating taking WSFR-9702, antimony trioxide and decabromodiphenyl ethane as flame retardants is obtained through a large number of screening, so that the coated fabric simultaneously meets the comprehensive performance requirements of meeting the high flame retardance requirement of the BS7837 standard, meeting the high environmental protection requirement of the REACH regulation, being resistant to welding, low in cost, free of precipitation, folding white and the like; therefore, the method has the advantages of environmental protection, cost reduction and quality improvement, the comprehensive competitive advantage of the product is improved, and the method has great industrial application value.

The invention discloses an aqueous film-forming foam extinguishing agent based on a short fluorocarbon chain, and relates to the technical field of extinguishing agents. The invention discloses an aqueous film-forming foam extinguishing agent based on a short fluorocarbon chain. The cleaning agent is prepared from the following raw materials in parts by weight: 8 to 12 parts of modified short fluorocarbon chain surfactant, 5 to 8 parts of dodecyl dimethyl betaine, 50 to 60 parts of deionized water, 2 to 4 parts of modified guar gum, 4 to 6 parts of ethylene glycol, 1 to 2 parts of benzotriazole, 0.5 to 1 part of sodium bicarbonate, 0.3 to 0.5 part of polydimethylsiloxane, 3 to 5 parts of decabromodiphenyl ethane and 1 to 2 parts of sodium carboxymethyl cellulose. 0.5 to 1 part of disodium ethylene diamine tetraacetate, 0.2 to 0.4 part of isothiazolinone and 0.5 to 1 part of nano silicon dioxide. According to the aqueous film-forming foam extinguishing agent based on the short fluorocarbon chain, the modified short fluorocarbon chain surfactant and the nano silicon dioxide cooperate, so that a film is formed quickly and compactly, and the extinguishing efficiency is high; the modified guar gum improves the foam stability, and the foam holding time is long; the raw material ratio is scientific, and both equipment protection and fire control are considered; the preparation process is rigorous, the product quality is stable, and various fire extinguishing scenes are adapted.

The invention belongs to the technical field of brominated flame retardant synthesis, and particularly provides a decabromodiphenyl ethane bromine distillation process chlorination bromine removal process, which comprises the following steps: S1, adding bromine into a reaction kettle, adding a catalyst, and mixing; cooling and dropwise adding molten diphenylethane; then heating, carrying out a heat preservation reaction, and cooling to obtain a brominated crude product; s2, S201, adding the brominated crude product obtained in S1 into a bromine steaming kettle, and heating; s202, chlorine is introduced, and the total amount of bromine and chlorine is detected; carrying out segmented control on the introduced chlorine according to the total amount of bromine and chlorine; s203, when the total amount of bromine and chlorine is reduced to a threshold value, stopping introducing chlorine, standing, cooling, and introducing nitrogen; s3, filtering the feed liquid in the bromine steaming kettle, washing and purifying for three times, and finally, centrifugally dewatering to obtain a faint yellow solid; and S4, adding the faint yellow solid into a high-temperature jet mill, performing high-temperature aging to obtain white powder, and then performing jet milling on the white powder to obtain a finished product. Physical distillation is replaced by chemical replacement, so that bromine is highly separated.

The invention discloses a composite flame retardant, a preparation method and application of the composite flame retardant in a thermoplastic resin composite material, and the preparation method of the composite flame retardant comprises the following steps: fully mixing alkali metal chromate, soluble copper salt, soluble aluminum salt, an organic solvent and deionized water to obtain a mixed solution; cooling, washing and filtering the mixed solution to obtain a precursor CuAl2 (CrO4) 4; the precursor CuAl2 (CrO4) 4 is calcined at the temperature of 720-800 DEG C for 20-24 h, and a calcined product is obtained; and uniformly mixing the calcined product with decabromodiphenyl ethane to prepare the composite flame retardant. The composite flame retardant has excellent flame retardant property, and the flame retardant effect of the thermoplastic resin composite material can be remarkably improved, so that the application requirements of the thermoplastic resin composite material in more fields are met.

The application provides a phosphorus-nitrogen rare earth compound and a rare earth flame-retardant fabric, which comprises a flame-retardant coating primer and a flame-retardant coating top glue, wherein the flame-retardant coating primer is made of raw materials including the following components in parts by weight: polyurethane emulsion 30-35 parts, the phosphorus-nitrogen rare earth compound of claim 1 15-50 parts, decabromodiphenyl ethane 5-25 parts, N,N-dimethylformamide 20-30 parts, a bridging agent 1-3 parts, a crosslinking agent 1-1.5 parts, and a promoter 0.2-1.5 parts. The phosphorus-nitrogen rare earth compound has excellent synergistic flame-retardant performance, can replace halogen and antimony-containing compounds in a flame-retardant system, reduces the generation of smoke and harmful gases, and has strong structural stability to the para-position structure of hydroxyphenyl phosphoric acid in the form of ion state under specific reaction conditions, and the specific triazine ring structure of melamine can effectively improve the thermal stability of the fabric.

The application belongs to the field of high polymer materials, and particularly relates to a modified polypropylene foaming material and a preparation method thereof. The modified polypropylene foaming material is prepared from a blank through mold foaming, and the preparation raw materials of the blank include, in parts by weight, 50-90 parts of homopolymer polypropylene, 10-40 parts of polystyrene, 1-10 parts of fluorine-containing functional monomer, 0.01-0.5 parts of initiator, 0.01-1 parts of catalyst, 0.1-0.5 parts of nucleating agent, 1-10 parts of decabromodiphenyl ethane, 0.2-5 parts of antimony trioxide and 0.05-5 parts of anti-dripping agent. The homopolymer polypropylene is modified by using multiple components in cooperation, so that the comprehensive performance of the material is significantly improved. The material has the advantages of strong stability, high Shore C hardness, large compressive strength, low dielectric constant, excellent anti-aging performance, good flame-retardant effect and wide application prospect in the field of new energy vehicles.

The application relates to the technical field of cable materials, in particular to a flame-retardant cable sheath material and a preparation method thereof, wherein the flame-retardant cable sheath material comprises the following raw materials in parts by weight: 60-70 parts of polyvinyl chloride, 30-40 parts of butadiene styrene rubber, 8-10 parts of aluminum hydroxide, 5-7 parts of decabromodiphenyl ethane, 7-9 parts of ammonium polyphosphate, 1.5-2.5 parts of a dispersing agent, 1-3 parts of a silane coupling agent, 1-2 parts of a promoter M, 0.5-1.5 parts of a promoter DM, 2-4 parts of stearic acid, 2.5-5 parts of a calcium-zinc stabilizer, 1.6-2.0 parts of zinc oxide and 0.5-1.5 parts of an ultraviolet absorber; the flame-retardant cable sheath material has the advantage of improving the flame-retardant performance of the cable sheath.

The invention provides porous carbon, a silicon-carbon negative electrode material and a preparation method thereof, and the preparation method of the porous carbon comprises the following steps: providing a mixture comprising first resin, a flame retardant and a defoaming agent, dissolving the mixture in a first organic solvent, and carrying out spray drying to prepare a granular precursor, the flame retardant comprises at least one of decabromodiphenyl ethane, decabromodiphenyl ether, octabromodiphenyl ether, pentabromodiphenyl ether, tetrabromobisphenol A and hexabromocyclododecane, and at least one of decabromodiphenyl ether, octabromodiphenyl ether, pentabromodiphenyl ether, tetrabromobisphenol A and hexabromocyclododecane; carrying out carbonization treatment on the granular precursor to form a carbonization treatment product; and carrying out activating treatment on the carbonization treatment product to form the porous carbon.

The invention discloses a preparation process of a high-temperature-resistant flame-retardant chloroprene rubber composite material, and relates to the technical field of chloroprene rubber production. Wherein the raw materials comprise 80 to 100 parts of chloroprene rubber, 40 to 60 parts of magnesium hydroxide, 15 to 25 parts of decabromodiphenyl ethane, 6 to 10 parts of antimony trioxide, 4 to 6 parts of zinc oxide, 3 to 5 parts of magnesium oxide, 0.6 to 1 part of an accelerant NA-22, 1 to 2 parts of stearic acid, 0.8 to 1.5 parts of an anti-aging agent 4010NA, 0.8 to 1.5 parts of an anti-aging agent RD, 30 to 50 parts of carbon black N330, 8 to 15 parts of a plasticizer DOTP and 5 to 8 parts of a synergistic intermediate. Thermal oxidation degradation of a polymer chain is delayed through the synergistic anti-oxidation effect formed by adding the synergistic intermediate into the chloroprene rubber composite material raw material, and micronized wax migrates to the surface to form a physical barrier to effectively isolate oxygen, so that the requirements of high-temperature and high-reliability application scenes such as an automobile engine compartment and the like are met.

The utility model discloses a tail gas treatment device for decabromodiphenyl ethane production, which comprises a condensing box, a spraying box and a filtering box which are arranged on the same vertical line from bottom to top, a gas inlet pipe is arranged on the side edge of the condensing box, a condensate discharge pipe is arranged at the bottom of the condensing box, a condensing coil is arranged in the condensing box, and a water inlet pipe is arranged at the bottom of the spraying box. The spraying box is communicated with the condensing box through a top gathering plate with holes, an annular pipe is installed in the spraying box, a concentric-square-shaped flow guide groove is formed in the periphery of the spraying box, the spraying box is communicated with the filtering box through a separation net, a drawer box is installed in the filtering box in a sliding mode, and the drawer box is filled with an activated carbon layer. When tail gas passes through the condensing box, one part of the tail gas is condensed into liquid to be discharged, the other part of the tail gas is neutralized and discharged by alkali liquor through the spraying box, the rest of the tail gas is discharged after being adsorbed and filtered by an activated carbon layer through the filtering box, a plurality of treatment towers do not need to be arranged, and the whole device is small in size and convenient to use.

The utility model discloses vibration screening equipment for manufacturing decabromodiphenyl ethane master batch, which comprises a bottom box, a top box, a screen mesh, a vibration motor and a discharging box, a feeding hopper is arranged at a feeding port on the top box, a folding protective cover is movably arranged between two sides of the feeding hopper and the edge of the feeding port, the periphery of the bottom end of the feeding hopper is supported by a bracket, and the bottom end of the feeding hopper is connected with the screen mesh. A sliding base is fixed to the edge of the bracket, and a reciprocating lead screw penetrates through the interior of the sliding base and is in threaded connection with the sliding base. According to the master batch screening machine, the feeding hopper capable of moving in the width direction of the screen in a reciprocating mode is arranged, so that a worker firstly feeds master batches into the hopper to be away from equipment, then the master batches are scattered and poured on the screen to be screened through the reciprocating motion effect of the feeding hopper, more time and labor are saved, the folding protective cover is arranged at the position of the feeding port, and the working efficiency is improved. And the material inlet is always shielded, so that the overflow of raised dust generated during vibration is reduced, and the danger that a worker inhales the raised dust when operating the equipment is reduced.

The invention discloses a flame-retardant antibacterial colored sea-island fiber and a preparation method thereof. The method comprises the following steps: firstly, carrying out ball-milling nanocrystallization pretreatment on an inorganic dye; melting and blending a nano inorganic dye, the dried polyethylene glycol terephthalate slices, a decabromodiphenyl ethane flame retardant and a polyhexamethylene guanidine antibacterial agent in proportion to prepare multifunctional master batches; then, mixing and granulating the master batch and polyethylene glycol terephthalate slices to obtain island component slices; and finally, by taking the slices as island components and soluble polyethylene glycol terephthalate as a sea component, carrying out sea-island composite spinning, stretching and heat setting to obtain the finished fiber. Through the nanocrystallization and two-step dispersion process, the problem that multiple functional components are uniformly dispersed in polyethylene glycol terephthalate is solved, and the obtained fiber is uniform in color and luster, high in color fastness, excellent in lasting flame retardance and antibacterial performance, excellent in comprehensive quality and suitable for the field of high-end functional textiles.

The invention discloses a brominated flame-retardant PBT (polybutylene terephthalate) composition as well as a preparation method and application thereof. The brominated flame-retardant PBT composition comprises the following components in parts by weight: 35-75 parts of PBT resin; 9 to 20 parts of decabromodiphenyl ethane; 2-8 parts of a flame retardant synergist; 0.3-8 parts of a stabilizer; wherein the stabilizer comprises a neutral metal oxide, a light stabilizer and carbodiimide, and the mass ratio of the neutral metal oxide to the light stabilizer to the carbodiimide is (0.1-25): (0.1-10): 1. PBT resin is adopted as matrix resin, decabromodiphenyl ethane is adopted as a flame retardant, and a stabilizer with a specific proportion is added, so that the heat retention stability can be effectively improved, and the flame retardant property is not influenced.

The invention relates to the technical field of biological treatment of environmental organic pollutants, in particular to a decabromodiphenyl ethane degrading functional bacterium FD-1 and application thereof. The invention provides a decabromodiphenyl ethane degrading functional bacterium, namely bacillus licheniformis FD-1, the preservation number of the bacillus licheniformis is GDMCC No: 67641, the bacillus licheniformis FD-1 can quickly and efficiently degrade decabromodiphenyl ethane (the highest degradation rate of the bacillus licheniformis FD-1 to 1 mg / L decabromodiphenyl ethane can reach 76.7%), and a technical method can be provided for decabromodiphenyl ethane pollution abatement and bioremediation. The bacillus licheniformis FD-1 disclosed by the invention is high in environmental adaptability and relatively good in degradation effect on decabromodiphenyl ethane, and meanwhile, the advantage of reducing the cost is realized.

The invention discloses a brominated flame-retardant PET (Polyethylene Terephthalate) composition as well as a preparation method and application thereof. The brominated flame-retardant PET composition comprises the following components in parts by weight: 35-77 parts of PET resin; 8 to 22 parts of decabromodiphenyl ethane; 0.1-4 parts of a neutral metal oxide; 0.1-2 parts of a light stabilizer; and 0.1-1 part of epoxy resin. According to the brominated flame-retardant PET composition disclosed by the invention, the heat retention stability of the brominated flame-retardant PET composition can be effectively improved by adding a specific amount of neutral metal oxide, light stabilizer and epoxy resin into a decabromodiphenyl ethane flame-retardant PET composition system.

The utility model discloses decabromodiphenylethane crystallization and purification equipment, which relates to the technical field of decabromodiphenylethane production and comprises an outer shell, and a cooling crystallization mechanism is mounted on the inner side of the outer shell. According to the device provided by the utility model, cakes attached to the inner wall of the cooling shell and the inner wall of the guide cylinder are respectively scraped, and attached crystals are scraped back into a solution in time, so that the crystallization process is uniformly performed in the solution, and the crystallization efficiency and the product uniformity are ensured; the driving motor works to drive the connecting shaft to rotate, the spiral blade is spirally arranged outside the connecting shaft, materials are pushed to move in the direction of the connecting shaft, the materials circularly flow in the whole container, the stirring efficiency is improved, the stirring blade and the stirring plate move to stir the interior of the cooling shell at the same time, and uniform mixing of solutions is kept; the crystal purity is improved.

The utility model discloses a mixer for decabromodiphenylethane, which belongs to the field of decabromodiphenylethane production equipment and comprises a mounting frame, a double-helix body, a mesh belt and a stirrer, the mounting frame is arranged above the mesh belt, the double-helix body is rotatably mounted in the mounting frame to convey mixed materials, the stirrer comprises a rotating shaft and a plurality of groups of stirring sheet components, and the rotating shaft is rotatably mounted in the mesh belt. The rotating shaft is rotatably mounted in the mounting frame, each group of stirring blade components are distributed on the rotating shaft at intervals along the axis direction of the rotating shaft, each stirring blade component comprises a plurality of blades, the plurality of blades are distributed on the periphery of the rotating shaft along the radial direction of the rotating shaft, and each blade comprises a body and two side wings; the two side wings are arranged on two sides of one end of the body away from the rotating shaft. According to the device, after the stirrer stirs a mixed material, the side wings flatten the mixed material between the blades and the mesh belt, it is guaranteed that the whole material surface can be stirred to be flat, uniform distribution of the mixed material is achieved, the production efficiency is improved, and the product production quality is guaranteed.

This invention provides an irradiated crosslinked, hydrolysis-resistant, low-halogen flame-retardant insulating material for energy storage cables and its preparation method, comprising the following raw material components in parts by weight: 43-51 parts of resin composition, 43-49 parts of flame-retardant composition, and 6.7-8 parts of auxiliary composition. The resin composition comprises the following components in parts by weight: 18-20 parts of ethylene-vinyl acetate copolymer; 10-12 parts of metallocene linear polyethylene; 7-9 parts of polyethylene elastomer; and 8-10 parts of POE graft compatibilizer. The flame-retardant composition comprises the following components in parts by weight: 12-14 parts of magnesium hydroxide; 21-23 parts of decabromodiphenyl ethane; and 10-12 parts of antimony trioxide. This results in a product exhibiting excellent mechanical properties, flame-retardant properties, hydrolysis resistance, long-term aging performance, and processing performance, with overall performance significantly superior to existing ordinary polyolefin insulating materials.

This invention relates to the field of cable technology and proposes a long-life overhead insulated cable. This long-life overhead insulated cable includes a conductor and an insulation layer. The insulation layer comprises the following raw materials in parts by weight: 80-100 parts high-density polyethylene, 10-20 parts polyolefin elastomer, 5-10 parts ethylene-vinyl acetate copolymer, 4-8 parts composite powder, 12-18 parts decabromodiphenyl ethane, 4-6 parts antimony trioxide, 0.5-1 part antioxidant, and 2.5-5 parts lubricant; wherein the composite powder is a core-shell structure inorganic particle with an organic ultraviolet absorber grafted onto the surface of ZnO@CeO2 core-shell particles. The long-life overhead insulated cable of this invention achieves the synergistic effect of inorganic ultraviolet shielding and organic ultraviolet absorption, significantly improving the cable insulation layer's resistance to ultraviolet aging, mechanical toughness, and weather resistance, effectively extending the service life of the overhead cable in complex outdoor environments.

The utility model discloses a stirring kettle for decabromodiphenyl ethane production, which relates to the technical field of decabromodiphenyl ethane production, and comprises a stirring kettle body, and a sealing cover is clamped at the top of the stirring kettle body. In the stirring kettle, one end of an arc-shaped scraping strip is fixedly connected with a support frame, one end of a scraping plate I is fixedly connected with a fixed block, and the other end of the scraping plate II is fixedly connected with the fixed block; when the motor drives the stirring rod to rotate, the arc-shaped scraping strip and the first scraping plate rotate along with the stirring rod, the arc-shaped scraping strip and the second scraping plate scrape the inner ring face of the stirring kettle body, the bottom of the first scraping plate scrapes the bottom of an inner cavity of the stirring kettle body, and the interior of the stirring kettle body can be flushed through the annular pipe and the spray head. Therefore, the cleaning intensity of the interior of the stirring kettle body can be improved, resource waste caused by residues of materials in the stirring kettle body is reduced, when the temperature is too high, the alarm gives an alarm, and when the air pressure in the stirring kettle body is too large, the pressure release valve quickly releases pressure, so that the use safety of the stirring kettle body can be improved.

The invention discloses a method for continuously synthesizing decabromodiphenylethane by using a tubular reactor, and belongs to the technical field of organic synthesis processes. The method comprises the following steps: by taking diphenylethane as a raw material, continuously brominating the diphenylethane and bromine in a tubular reactor at a certain material ratio, retention time and reaction temperature, feeding the reacted material into a gas-liquid separation device for gas-liquid separation, absorbing the gas with water, and carrying out post-treatment such as quenching, bromine steaming, alkali neutralization, washing, suction filtration and drying on the effluent liquid to obtain the product decabromodiphenylethane. According to the process method, a method different from a traditional intermittent synthesis method is adopted, and the synthesis efficiency and safety of decabromodiphenylethane are greatly improved.

The invention relates to the technical field of synthesis of flame retardants, and particularly discloses a preparation process of a brominated aromatic compound with uniform flame retardant efficiency. The invention relates to a preparation process of a brominated aromatic compound with uniform flame retardant efficiency, which comprises the following steps: adding bromine and a catalyst into a bromination kettle, dropwise adding molten diphenylethane into a reaction kettle, and carrying out bromination reaction to obtain reaction slurry containing decabromodiphenylethane; the method comprises the following steps: distilling and debrominating reaction slurry containing decabromodiphenyl ethane to obtain slurry A; performing shaping control on the slurry A to obtain slurry B; carrying out primary filter pressing and washing on the slurry B to obtain a primary wet filter cake; homogenizing the primary wet filter cake to obtain slurry C; carrying out secondary filter pressing and washing on the slurry C to obtain a secondary wet filter cake; drying the secondary wet filter cake to obtain intermediate product coarse powder; carrying out passivating treatment on the intermediate product coarse powder to obtain treated powder; and sieving the treated powder, and then crushing to obtain the brominated aromatic compound.

The utility model discloses an evaporation filter pressing mechanism for decabromodiphenyl ethane production, and relates to the technical field of decabromodiphenyl ethane processing equipment, the evaporation filter pressing mechanism comprises an evaporation mechanism, the evaporation mechanism comprises an evaporator main body, the upper part of the evaporator main body is fixedly connected with a discharge pipe, and one end of the discharge pipe is fixedly connected with a pressure filtering mechanism. When materials are filtered, the motor drives the connecting outer pipe to rotate, the limiting plate and the clamping groove in the connecting outer pipe are connected in an inserted mode, so that the driving shaft is driven to rotate, then the driving shaft drives the cleaning brush to rotate, the surface of the filter plate is cleaned through the cleaning brush, and the surface of the filter plate is prevented from being blocked; and the particulate matters cleaned by the cleaning brush can fall into the collecting box to be collected.

The application relates to the technical field of modified PC processing, and discloses a modified PC material, which comprises the following components in parts by weight: 80-100 parts of polycarbonate, 1-5 parts of talcum powder, 5-10 parts of jute fiber, 1-5 parts of epoxy silane, 1-5 parts of polyethylene wax, 0.9-5 parts of antioxidant B900, and 1-5 parts of decabromodiphenyl ethane. The technical scheme adopts natural jute fiber to replace traditional glass fiber to modify the PC material. Compared with the traditional glass fiber, the jute fiber has the advantages of small density, low cost and low energy consumption. For the production of the same product, the non-renewable energy consumed by the jute fiber is 10-30% less than that of the glass fiber. Meanwhile, the jute fiber can be naturally degraded, so that the modified PC material has a smaller influence on the environment after being discarded, and is more environmentally friendly.

The high-speed stirring machine comprises a stirring rod, stirring blades are installed on the outer wall of the stirring rod through supporting rods, the stirring rod is vertically through, a connecting table is rotatably installed at the top end of the stirring rod, a dropwise adding pipe fitting penetrates through the interior of the connecting table, and the dropwise adding pipe fitting is connected with the stirring blades. The lower end of the dropwise adding pipe fitting extends into the stirring rod, a dropwise adding funnel is installed at the top end of the dropwise adding pipe fitting through a flow control valve, the dropwise adding funnel and the connecting table are supported through a support, a bevel gear ring is coaxially fixed to the outer wall of the upper end of the stirring rod, and the outer edge of the bevel gear ring is perpendicularly connected with a bevel gear in a meshed mode. And the shaft rod end of the bevel gear is connected with a motor. When the stirring rod, the supporting rod and the stirring blades rotate, raw materials can be uniformly mixed, and diphenylethane stored in the dropwise adding funnel is dropwise added into the kettle by extending the dropwise adding pipe fitting into the stirring rod, so that the bumping and splashing range is effectively controlled, the operation of stirring and dropwise adding at the same time is realized, and the preparation efficiency is improved.

The application discloses a preparation process of high-temperature-resistant and flame-retardant chloroprene rubber composite material and relates to the technical field of chloroprene rubber production. The raw materials are composed of 80-100 parts of chloroprene rubber, 40-60 parts of magnesium hydroxide, 15-25 parts of decabromodiphenyl ethane, 6-10 parts of antimony trioxide, 4-6 parts of zinc oxide, 3-5 parts of magnesium oxide, 0.6-1 part of accelerator NA-22, 1-2 parts of stearic acid, 0.8-1.5 parts of antioxidant 4010NA, 0.8-1.5 parts of antioxidant RD, 30-50 parts of carbon black N330, 8-15 parts of plasticizer DOTP and 5-8 parts of synergistic intermediate. The synergistic antioxidant effect formed by adding the synergistic intermediate into the chloroprene rubber composite material raw materials delays the thermal oxygen degradation of the polymer chain, the micronized wax migrates to the surface to form a physical barrier to effectively isolate oxygen, so that the requirements of high-temperature and high-reliability application scenarios such as automobile engine compartments can be met.

The utility model discloses a decabromodiphenyl ethane leakage treatment device which comprises an emergency treatment box, a base is connected below the emergency treatment box, a sand box, a water box and a foam box which are mutually independent are arranged in the emergency treatment box, the bottom of the sand box is communicated with a discharging hopper, the bottom of the water box is connected with a water pump, and the bottom of the foam box is connected with a water pump. A first pipe assembly is connected to the lower portion of the water pump, the interior of the foam box is divided into two independent storage chambers through a partition plate, the bottom of each storage chamber is connected with a branch pipe, a control valve is installed on the middle section of each branch pipe, the two branch pipes are communicated through an intersection bin, and a second pipe assembly is connected to the lower portion of the intersection bin. Sandy soil stored in the sand box can be scattered on the periphery of a leakage area to form a causeway, the leakage face is prevented from being further expanded, liquid water stored in the water box is sprayed into air in the leakage area, the concentration of leaked objects is reduced, fire-fighting foam stored in the foam box is sprayed out through the second pipe assembly to cover the leakage area, and the fire-fighting effect is improved. Evaporation and diffusion of leaked objects are prevented.

The invention relates to the field of latex paint processing, in particular to interior wall latex paint and a processing system and method thereof. The method comprises the following steps that 1, raw materials are added into an interior wall latex paint processing system to be mixed; 2, heating the mixed raw materials; 3, pushing the mixed material to rise and dispersing; 4, the dispersed materials are filtered and refluxed to achieve circulation for latex paint processing; and 5, discharging the processed latex paint, and collecting and storing the latex paint. The latex paint comprises the following components in parts by weight: 30-50 parts of styrene-butyl acrylate emulsion; 10 to 30 parts of epoxy resin; 4-8 parts of anatase titanium dioxide; 5-20 parts of barium sulfate; 8 to 15 parts of bentonite; 1-4 parts of ethanol; 1 to 2 parts of hydroxyethyl cellulose; 1-4 parts of sodium persulfate; 1-3 parts of potassium citrate; 2 to 5 parts of decabromodiphenyl ethane; 2 to 3 parts of trimethylamine hydrochloride; 1-2 parts of calcium fluoride; 2 to 5 parts of zinc trifluoroacetylacetonate; and 10 to 20 parts of water. The circulating materials can be fully dispersed, so that the processing speed of the latex paint is increased.

This invention provides a flame-retardant rubber containing a bismuth-based flame retardant and its preparation method, belonging to the field of flame-retardant rubber technology. This invention uses natural rubber, nitrile rubber, styrene-butadiene rubber, and chloroprene rubber as the main base materials, while introducing at least one of bismuth oxide, bismuth oxychloride, bismuth hydroxide, and bismuth subcarbonate as an environmentally friendly flame retardant, ensuring the product's flame-retardant effect; it also reduces the use of complex solvents and potential by-product emissions, which is an important way to achieve an ideal green lifestyle. Carbon black, stearic acid, zinc oxide, decabromodiphenyl ethane, aluminum diethylphosphinate, diethyl phthalate, paraffin oil, coupling agents, insoluble sulfur, accelerators, antioxidants, and other substances are also added. Through multiple mixing and intensive kneading processes, the product's tensile properties are guaranteed while effectively improving its fire resistance, delaying ignition, reducing flame propagation speed, and enhancing the safety of product use.

The invention belongs to the field of polymer compositions, and particularly relates to a flame-retardant polyester composite material and a preparation method and application thereof.The flame-retardant polyester composite material is prepared from 35-65 parts of polyester resin, 20-50 parts of reinforcing filler, 10-14 parts of brominated flame retardant, 0.5-1 part of antimony compound, 3-5 parts of hydrotalcite and 0-1 part of processing agent, the brominated flame retardant is at least one of decabromodiphenyl ethane, brominated epoxy resin, brominated polystyrene, tri (tribromophenoxy) triazine, brominated polycarbonate and poly (pentabromobenzyl acrylate), and the antimony compound is at least one of antimony trioxide, antimony pentoxide and sodium antimonate. The proportion of antimony in a bromine-antimony flame-retardant system is greatly reduced, the glowing filament ignition temperature of the flame-retardant polyester composite material is increased, the flame-retardant grade of the material is not reduced, meanwhile, good mechanical properties are kept, and the formula cost is reduced.