203 results about "Decabromobiphenyl ether" patented technology

The invention provides a fluorinated silicone rubber anti-pollution flashover coating for extra-high voltage and a preparation method thereof; the fluorinated silicone rubber anti-pollution flashover coating (short for FRTV) has the following compositions by mass percent: 5-30 percent of fluorinated silicone rubber, 10-30 percent of silicon rubber, 4-8 percent of nanometer grade gas-phase white carbon black, 0.5-8 percent of compound fire retardants, 0.2-0.5 percent of firming agent, 0.01-0.05 percent of catalyst, 0.02-0.08 percent of antioxidant, 2-8 percent of flatting agents, 0.2-0.4 percent of de-foaming agent, 0.1-0.5 percent of paint and 30-60 percent of solvent. The compound fire retardant is composed of inorganic aluminium hydroxide and organic decabromodiphenyl oxide, wherein comprising 1-6 percent of the inorganic aluminium hydroxide and 0.5-3 percent of the organic decabromodiphenyl oxide. The preparing process of the coating is simple, and the coating has good weather ability, oil resistance and longer service life.

A fire-proof, noise-reducing and antiskid material for the pavement in tunnel is prepared through preparing flame-retarding smoke-inhibiting agent from decabromodiphenyl ether, Sb2O3, aluminium hydroxide and smoke inhibitor, preparing modified high-viscosity flame-retarding asphalt from styrene-butanediene-styrene block copolymer, activated rubber powder, stabilizer, antioxidizing agent, said flame-retarding smoke-inhibiting agent and asphalt matrix, choosing mineral material consisting of aggregate and filler, and mixing it with said modified asphalt and fibers.

The invention relates to a flame retardant-type waterproof sealing hot-melt pressure-sensitive adhesive. The flame retardant-type waterproof sealing hot-melt pressure-sensitive adhesive comprises butyl rubber 268, brominated butyl rubber, polyisobutene B50, polyisobutene B12, octyl phenolic resin, thermoplastic elastomer SBS (Styrene Butadiene Styrene), mineral oil, deca-brominated diphenyl ether, antimonous oxide, aluminium hydroxide, zinc oxide, an antioxidant 1010 and carbon black. The hot-melt pressure-sensitive adhesive with high flame retardant property is obtained by selecting the resin with very good waterproof sealing property and the rubber system in combination with a flame retardant with the excellent synergistic flame retardant property according to a formula system while the waterproof sealing property and the bonding strength of the hot-melt pressure-sensitive adhesive are ensured. The prepared pressure-sensitive adhesive has very high bonding strength at the temperature of 40-80 DEG C, excellent insulation property, waterproof property, flame retardant property and sealing property and can be used for producing waterproof sealing tapes, wrapping wire and cable insulations, sealing pipelines and the like.

The water flame-retardant paint consists of emulsion, deionized water, filming assistant, dispersant, wetting agent, thickener, defoaming agent, fireproof agent, fireproof assistant, stuffing and pigment. The fireproof agent and fireproof assistant consists of Sb2O3, decabromodiphenyl oxide, nano zinc oxide colloid, aluminium hydroxide, native soda and zinc borate. The paint has the features of being waterproof, aging resistant, mildewproof and fireproof.

The invention relates to product formula and preparation method of a flame-proof ABS. Wherein, the formula comprises mainly: ABS resin, antimony trioxide, decabromodiphenyl oxide, coupling-treated aluminum hydroxide, anti-oxidant 168, tricresyl phosphate, chlorinated polyethylene (CPE), polyvinyl chloride (PVC), EBS, magnesium stearate, SBS, nano-SiO2, and zinc borate. The preparation method comprises: mixing the ABS resin and tricresyl phosphate in high-speed mixer, adding other materials; putting into double screw extruder; cooling, granulating, screening, drying, and packaging. This product has well properties with low cost.

The invention discloses an anti-flaming antisepsis leather coating which is composed of, by weight, 2-3 parts of hydrous zinc borate, 1-1.5 parts of linoleic acid calcium soap, 0.1-0.2 part of triterpenoid saponin, 0.7-1 part of calcium naphthenate, 1.7-2 parts of polyvinylpyrrolidone, 0.8-1 part of polyacrylamide, 1.6-2 parts of stannous chloride, 0.1-0.13 part of triethanolamine, 190-200 parts of methyl methacrylate, 3-4 parts of lauryl sodium sulfate, 0.1-0.2 part of urotropine, 0.2-0.3 part of ammonium persulfate, 6-7 parts of a 20%-25% formaldehyde solution, 16-20 parts of zinc acetate, 4-7 parts of silver nitrate, 1-2 part of decabromodiphenyl ether and 0.4-1 part of sodium lauryl sulfate. The anti-flaming antisepsis leather coating has a good antibacterial property and excellent moisture permeability and water resistance. Leather coated with the obtained emulsion is good in antibacterial property and excellent in hygiene property.

A multipurposed composite multi-layer plastic pipe used in mine or oil field for delivering gas, air, water oil, etc. or as the rollers of belt conveyer features that its pipe wall is composed of a core layer and two surficial layers. Said surficial layer contains 10 components including polyvinyl chloride, polyvinyl oxide composite stabilizer, stearic acid, etc. Said core layer contains 8 components including polyvinyl chloride, low-molecular polyethene, composite stabilizer, calcium stearate, etc.

The present invention discloses an asphalt flame retardant modifier which is granular. According to the weight portion, the composition is: 20 portion to 45 portion of decabromodiphenyl ether or decabromophenylethane, 15 portion to 30 portion of hydrated magnesium silicate, 5 portion to 15 portion of smoke-suppressant, 1 portion to 10 portion of fatty acid of C₁₆-C₁₈ as coupling agent, and 15 portion to 25 portion of polyolefin. The present invention also discloses a preparation method of the asphalt flame retardant modifier. The asphalt flame retardant modifier of the present invention has good road performances and has the characteristics of good dispersion, easy addition, security, environmental protection and so on. The present invention improves the production efficiency, has no environmental pollution in working, and less equipment corrosion. The flame retardant composition is proper; the synergic effects of a plurality of flame retardants are made full use of; the materials are directly blended and added; the present invention simplifies the production process and reduces the production cost.

The invention relates to a high-glossiness flame-retardant scratch-resistant polypropylene composition and a preparation method thereof. The composition is prepared from the following components in parts by weight: 91-95 parts of polypropylene, 1-2 parts of MCA (melamine cyanurate), 0.5-1 part of flame-retardant synergistic agent, 2-3 parts of compatilizer, 1-1.5 parts of silicone master batch, 0.2-0.6 part of antioxidant and 0.2-0.4 part of other assistant. The nitrogenous halogen-free environment-friendly flame retardant melamine cyanurate (MCA) and environment-friendly bromic synergistic flame retardant octabromoether or decabromodiphenyl oxide are reasonably proportioned to implement the V-1-grade flame retardancy of the material; a proper amount of silicone master batch is added to enhance the scratch resistance of the material; and small amounts of flame retardant and silicone master batch are added to implement the V-1-grade flame retardancy and scratch resistance of the material while reducing the influence on the glossiness of the material, thereby obtaining the high-glossiness flame-retardant scratch-resistant polypropylene material.

Disclosed is a flame-retardant resin composition with positive resistance temperature coefficient, which comprises 30-60% LLDPE, 10-30% chlorinated polyethylene, 15-25% conductive carbon black, 10-20% decabromodiphenyl oxide and antimony trioxide common flame retardant, 5-10% processing adjuvant. The heating cables produced from the composition have good tensile property, bending property and gumming ageing characteristics.

The invention discloses monocomponent PRTV anti-pollution-flashover paint and a preparation method thereof. The monocomponent PRTV anti-pollution-flashover paint is composed of the following materials in parts by weight: 28-38 parts of polydimethylsiloxane, 10-19 parts of hydroxyl-terminated fluorine-containing polysiloxane, 3-5 parts of nanometer silica, 1-3 parts of a coupling agent, 0.5-1 part of a catalyst, 2-3 parts of decabromodiphenyl ether, 1-2 parts of a pigment and 40-50 parts of a solvent. The monocomponent PRTV anti-pollution-flashover paint has the beneficial effects that a fluorine material and a nanometer material are organically combined and blended with silicone rubber, silicone rubber is taken as main base rubber and fluorosilicone rubber is taken as auxiliary base rubber; and the monocomponent PRTV anti-pollution-flashover paint has the main technical advantages of being good in flame retardant effect, substantially reduced in cost.

The invention relates to a plastic-wood composite material, especially a high efficiency flame retardant plastic-wood composite sheet and its preparation method. In the invention, tris(dibromopropyl) phosphate is employed to improve the flame retardance of wood powder, and decabromodiphenyl oxide and antimonony oxide are adopted for their synergism to improve the flame retardance of plastic particles. Additionally with other auxiliary agents and an extrusion technology, the high efficiency flame retardant plastic-wood composite sheet can be formed. The high efficiency flame retardant plastic-wood composite sheet provided in the invention has the advantages of convenient production and manufacturing, low production cost, environmental friendliness, excellent mechanical property and flame retardance, and can be widely used in many fields needing flame retardance.

The invention relates to a waterproof anti-corrosion flame retardant coating for an airplane and a preparation method thereof. The coating is prepared from tung oil, ethylene-vinyl acetatecopolymer emulsion, decabromodiphenyl oxide and magnesium hydroxide according to the weight ratio of 60-80:10-30:5-10:5-10. The waterproof anti-corrosion flame retardant coating for the airplane uses the tung oilhaving the characteristics of waterproof property, anticorrosion, high temperature resistance, and the like as the main material, matches the decabromodiphenyl oxide and magnesium hydroxide with theflame retardant function and uses the ethylene-vinyl acetatecopolymer emulsion as the adhesive. Therefore, when applied on the surface of a structural component of the airplane to form an adhesive film with the waterproof, anti-corrosion and flame retardant effects, the waterproof anti-corrosion flame retardant coating can prevent material lamination or even damage caused when the external moisture and corrosive substances enter the inside of the structural component and has flame retardant effect, thereby prolonging the service life of the structural component and ensuring good safety.

The invention relates to a formulation of a sole, in particular to formulation of a military sole, comprising the formulations for forming an outer bottom and a middle layer of the sole, wherein the formulation of the outer bottom based on the parts by weight comprises: 47-51 parts of nature rubber, 49-53 parts of chloroprene rubber, 0.7-0.9 part of vulcanizing agent S-80, 2.4-2.6 parts of accelerating agent, 1.9-2.1 parts of magnesium oxide, 4.5-5.5 parts of zinc oxide, 4.5-5.5 parts of antimony oxide, 1.9-2.1 parts of stearic acid, 1.9-2.1 parts of zinc stearate, 20-24 parts of high wear resistance carbon black, 2-4 parts of engine oil 46#, 6-8 parts of dibutyl ester, 1.4-1.6 parts of anti-aging agent, 0.8-1.2 parts of paraffin wax and the like; and the formulation of the middle layer based on the parts by weight comprises: 47-51 parts of nature rubber, 49-53 parts of chloroprene rubber, 0.9-1.1 parts of sulphur, 2.5-2.7 parts of accelerating agent, 4.5-5.5 parts of zinc oxide, 1.9-2.1 parts of magnesium oxide, 3.8-4 parts of antimony oxide, 6.3-6.7 parts of decabromodiphenyl oxide, 1.9-2.1 parts of stearic acid and the like. The sole prepared by the formulation has good wear resistance and folding resistance, and has the performances of oil resistance, acid-base resistance, inflaming retarding, static electricity prevention and the like, thus meeting the military requirements.

The invention discloses bacillus subtilis DB-2 and application thereof for degrading decabromodiphenyl oxide. The bacillus subtilis is preserved in China Center for Type Culture Collection (CCTCC) on 27th November 2009 with the preservation number of CCTCC No:M 209286. The bacillus subtilis has stronger degrading ability and is capable of debrominating decabromodiphenyl oxide to generate free bromonium ions. The bacillus subtilis does not generate high-toxicity secondary pollutants of polybrominated dibenzo-p-dioxins, polybrominated dibenzo-furans, low-brominated diphenyl ether, and the like after being biodegraded, and can be used for treating the pollution of the decabromodiphenyl oxide in the environment, thereby providing a decabromodiphenyl oxide degrading bacterium with low cost and high efficiency and without secondary pollution for treating the decabromodiphenyl oxide in chemical sludge or wastewater.

The invention discloses a treating method for halogenated organic solid pollutants. The treating method comprises the following steps: mixing persulfate with the halogenated organic solid pollutants and adding the obtained mixture into a ball milling tank; and carrying out grinding by using a plurality of grinding balls with different diameters at normal temperature and normal pressure. According to the invention, the halogenated organic solid pollutants can be fully and effectively degraded at normal temperature and normal pressure through oxidation effect of free sulfate radicals on the halogenated organic solid pollutants, and degradation rates of decabromodiphenyl ether, phenyl-hexachloride and tetrabromobisphenol A all exceeds 85%.

The invention discloses road using inflaming retarding asphalt whose components part by weight are as follows: heavy traffic road petroleum asphalt 60-80, pentabromophenyl ether 3-8, magnesium hydroxide 5-20, aluminum hydroxide 5-20, coupling agent 0.3-0.7, tempering agent 1-3, and modifier 0.5-1.5. While burning it has high oxygen index to form stable charring layer to arise self extinguishing, little lamp black to reduce environment pollution. Thus it has wide application prospect, good socioeconomic performance. The preparing method is simple, effective, economic, convenient, and widely used.

A flame-retarded and antistatic Polywoven Bag is used to solve the problem that whose average surface resistance is sharply lower than that of the national standards and is prepared by: (1) Making flame-retarded masterbatch A by mixture and plastication of the antimony oxide and the polypropylene; (2) Making flame-retarded masterbatch B by mixture and plastication of the Decabromobiphenyl ether and the polypropylene; (3) Making antistatic masterbatch by mixture and plastication of the static agent and the polypropylene; (4) Making the mixture of the flame-retarded masterbatch A, B,antistatic masterbatch and the polypropylene through the high rate agitator; (5) Making the filamentus disk through drawing it to pellicle and filamentus using the plastic machine; and (6) Surface treating using the static agent. It can be used in coal mine and chemical lines.

The invention belongs to the field of high polymer materials, and discloses a flame-retardant insect-proof antibacterial mat for a floor carpet.The flame-retardant insect-proof antibacterial mat is prepared from low-density polyethylene, high-density polyethylene, decabromodiphenyl ether, polyethylene resin, zinc stearate, antimonous oxide, polyethylene wax, medical stone, natamycin, beta-cyclodextrin, chitosan, silane coupling agent, traditional Chinese medicine additives, citric acid, foaming agent, monoglyceride and color master batch.The product is a green and pollution-free product and has high flame retardance and good insect-proof and antibacterial performance, can restrain breeding of viruses, insects, mites, ants and the like for a long time, can effectively protect the floor carpet, and is harmless to human bodies and free of hidden health and safety dangers in the use process.

The invention discloses an ultraviolet-resistant cable material for outdoor appliances, which is prepared from the following raw materials in parts by weight: 89-91 parts of high-density polyethylene, 15-17 parts of decabromodiphenyl oxide, 7-9 parts of antimony trioxide, 2-3 parts of metallocene polyethylene, 2-3 parts of nano magnesium hydroxide, 4-5 parts of cyclohexane, 0.2-0.3 part of gamma-aminopropyltriethoxy silane, 1-1.5 parts of polyethylene wax, 12-14 parts of nano titanium dioxide, 0.3-0.4 part of ultraviolet absorbent UV-P, 0.8-1 part of methyltriethoxy silane, 9-11 parts of thermoplastic acrylic resin and 0.4-0.5 part of Peregal O. Under the synergistic actions of the nano titanium dioxide and ultraviolet absorbent UV-P, the ultraviolet resistance of the cable is greatly enhanced. The prepared cable material has the advantages of crack resistance and high durability, prolongs the service life of the cable, satisfies the requirements of different working environments for the cable, and widens the application range of the cable.

The invention relates to PRTV durability anti-pollution flashover paint, which comprises the following components by part by weight: 40 to 50 parts of dihydric polydimethylsiloxane, 2 to 6 parts of nano Si02, 2 to 6 parts of cross-linking agent, 0.02 to 1 part of catalyst, 20 to 30 parts of aluminum hydroxide, 5 to 8 parts of decabromodiphenyl, 40 to 50 parts of solvent and 1 to 2 parts of pigment. The paint uses dihydric polydimethylsiloxane as base rubber and has the good properties of ageing resistance, corrosion resistance, water resistance, moisture prevention, no toxin, insulation, shake resistance, excellent simulation, demolding, extremely low contractibility rate and the like. Because nano Si02 is added to the paint, the weather fastness, the ultraviolet resistance and the ageing resistance of a coating are improved. The aluminum hydroxide and the decabromodiphenyl are used as excellent composite fire retardants for the paint, thereby remarkably enhancing the arc resistance of the paint and helping to increase the thickness of the coating. Therefore, inflaming retarding and ageing resistance become more stable.

The invention provides a fire-retardant thermoplastic elastomer (TPE) capable of being used as a sealing strip of a bus and a preparation method thereof. The TPE contains the following components in parts by weight: 100 parts of segmented styrene copolymer, 50-180 parts of mineral oil, 40-80 parts of polypropylene PP, 50-80 parts of EVA, 50-100 parts of calcium carbonate, 50-100 parts of decabromodiphenyl oxide, 20-50 parts of antimony trioxide, 0.1-3 parts of calcium stearate and 0.2-1 part of antioxidant. The TPE provided by the invention has good flexibility, fire retardancy and high manufacturing efficiency, is an ideal material for manufacturing the sealing strip of the bus, and can be mechanically operated. The leftover material can be recycled, which is significant to save resources.

This invention relates to a preparation method of melamine formaldehyde resin double deck coating decabromodiphenyl oxide. It takes 20 to 100 shares decabromodiphenyl oxide, dispersant 1 to 20 shares, water 100 to 1000 shares or melamine 5 to 20 shares, 37 percent formalin 10 to 60 shares, water 50 to 150 shares as materials; mix these materials and whip at PH 7 to PH 9 to prepare dispersal liquid or melamine formaldehyde resin prepolymer, then break prepolymer into two shares, add one share to dispersal liquid for blending, then adjust PH value to 3 to 5, whip for 1 to 4 hour for reaction; Then add another share of prepolymer, carry out reaction for 1 to 4 hours, gain white emulsion; finally separate emulsion, dry to gain white mealiness product. This product has good compactness, high initial decomposition temperature, high tensile and compressive strength, good water-proof, can used as additive flame-retardant of polymer that has very high processing temperature, enlarge the field of application of decabromodiphenyl oxide.

The invention relates to a method for rapidly degrading polybrominated diphenyl ether by nano Pd/C catalyst, comprising the steps of: adjusting the pH value of organic series containing decabromodiphenyl oxide to be 10-11, adding the nano Pd/C catalyst, reacting for more than 4h, and controlling the reaction temperature to be 50+/-5DEG C, wherein the nano Pd/C is solid particles with Pd loaded on activated carbon; the Pd has the mass percent of 5.0+/-0.05%, and the nano Pd/C has the concentration of 6-20mg/ml in the organic series; the organic series is alcoholic solution of fatty hydrocarbon or aromatic hydrocarbon, wherein the fatty hydrocarbon is normal hexane, and the aromatic hydrocarbon is waste TV shell pyrolysis oil with the main components of methylbenzene or styrene; and as having large specific surface, the nano Pd/C can rapidly aborb and degrade the polybrominated diphenyl ether, and greatly reduces the degradation time compared with nano reducing metal powder. After being used, the nano Pd/C powder can be repeatedly used by being washed by alcohol and water.

The invention discloses screening and application of a polybrominated diphenyl ethers (PBDEs) degrading bacterium, and belongs to the technical field of biological treatment of environmental pollutants. The PBDEs degrading bacterium comes from soil contaminated by PBDEs and is obtained through artificial enrichment, separation and purification. The strain is a stenotrophomonas pavanii strain WZN-1 and is preserved in the China General Microbiological Culture Collection Center, the preservation date is August 30, 2016, and the preservation serial number is CGMCC No.12918. The WZN-1 strain is a Gram-negative bacterium, is faint yellow and presents a milk white and non-transparent circular bacterial colony with the surface raised; in a scanning electron microscope, the bacterium is in a rod shape, and the diameter is (0.5-0.7) micrometer*(1-2) micrometer. In a liquid culture medium, the strain has the good degrading capability on both decabromodiphenyl ether (BDE 209) and tetrabromodiphenyl ether (BDE 47).