16 results about "Decabromodiphenyl ethane" patented technology

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 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 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 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 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.

The application relates to the field of plastic pipe manufacturing, and particularly discloses a high-temperature-resistant and flame-retardant composite HDPE pipe and a preparation method thereof.A high-temperature-resistant and flame-retardant composite HDPE pipe, according to weight parts, raw materials include 40-45 parts of polyethylene, 0.5-1 part of a lubricant, 6-7.6 parts of a filler, 2.4-4 parts of a composite flame retardant, 1-3 parts of a heat-stable reinforcing agent and 1.5-2.5 parts of a compatibilizer; the composite flame retardant includes (3-5):(1-2):(0.4-1) decabromodiphenyl ethane, diantimony trioxide and brominated polystyrene; and the filler is calcium carbonate.The high-temperature-resistant and flame-retardant composite HDPE pipe can be used for preparing electric wires and cables, has excellent high-temperature resistance and flame-retardant performance, and can meet the standard requirements of safety and flame-retardant high-temperature resistance in the application of electric wires and cables.

The invention discloses a flame-retardant environment-friendly HIPS (High Impact Polystyrene) material for an electric control box as well as a preparation method and application of the flame-retardant environment-friendly HIPS material. The flame-retardant environment-friendly HIPS material comprises the following raw materials in parts by mass: 40-80 parts of HIPS environment-friendly resin; 10 to 30 parts of brominated flame retardant; 10-25 parts of antimony trioxide and 1-5 parts of a stabilizer; the brominated flame retardant comprises one or more of decabromodiphenyl ether, octabromodiphenyl ether, octabromobisphenol A, decabromodiphenyl ethane, a brominated epoxy oligomer and poly (decabromodiphenyl); the stabilizer is prepared from one or more of hindered amine, hindered benzoate, benzotriazole, o-hydroxybenzophenone and benzylidene malonate; the stabilizer is prepared from one or more of hindered amine, hindered benzoate, benzotriazole, o-hydroxybenzophenone and benzylidene malonate; the material disclosed by the invention is excellent in flame retardant property, resistant to degradation and yellowing and good in glossiness.