613 results about "Decabromodiphenyl oxide" patented technology

The invention provides an flame-retardant and environmentally-friendly polyurethane cable material. The cable material is prepared from the following raw materials, by weight, 20-30 parts of chloroprene rubber, 60-80 parts of a polyurethane thermoplastic elastomer, 8-10 parts of acrylonitrile-butadiene rubber, 8-10 parts of chlorinated paraffin, 0.5-1.0 part of stearic acid, 1-3 parts of barium stearate, 4-6 parts of iron oxide, 0.5-1.0 part of ammonium trimolybdate, 30-50 parts of precipitated silica, 10-13 parts of modified argil, 0.5-1.0 part of capsaicin, 0.1-0.3 parts of an antioxidant AW, 0.5-1.5 parts of a promoter TMTD, 0.2-0.5 parts of sulfur, 8-10 parts of decabromodiphenyl oxide, 12-15 parts of antimony (III) oxide and 6-8 parts of zinc borate hydrate. The cable material has the advantages of excellent flame retardation, very less smoke in combustion, no generation of toxic gases or corrosive gases, good low temperature resistance, good oil resistance, and good abrasion resistance, and the cables processed through using the cable material can prevent the harms of mice and termites and simultaneously have the efficacies of low smoke, environmental protection and flame retardation.

The invention discloses an ethylene-propylene-diene monomer rubber used for manufacturing a wind energy cable and a preparation method thereof. The ethylene-propylene-diene monomer rubber comprises the following components: 90-110 parts of ethylene-propylene-diene monomer rubber, 1-4 parts of anti-aging agent, 0.2-0.5 part of stearic acid, 2-9 parts of paraffin oil, 2-5 parts of lead sulfate tribasic, 1-4 parts of zinc oxide, 80-120 parts of activated kaolin, 0.3-1.5 parts of coupling agent, 0.5-2.6 parts of cross-linking agent, 0.5-2.0 parts of assistant crosslinker, 1-3 parts of semi-reinforcing carbon black, 1-4 parts of plasticizer, 0.5-2 parts of antimonous oxide, 0.5-2 parts of zinc borate, 1-5 parts of basic magnesium carbonate, 1-4 parts of antioxygen, 0.1-0.5 part of sulphur, 2-5parts of epoxidized soybean oil, 5-15 parts of decabromodiphenyl ether, 12-30 parts of antimony oxide and 2-5 parts of organic modified bentonite. The material has the advantages of wide applicable temperature range, god performance and long service life.

The invention provides a Rhodococcus ruber and application thereof in preparing a decabromodiphenyl oxide degrading agent, relating to application of microbes. The collection number of the Rhodococcus ruber TAW-CT127 is CCTCC NO.M 2015212. The Rhodococcus ruber TAW-CT127 can be used in preparing the decabromodiphenyl oxide degrading agent. The decabromodiphenyl oxide is the unique carbon source in the decabromodiphenyl oxide degradation culture medium. After the Rhodococcus ruber TAW-CT127 is cultured in the degradation culture medium using decabromodiphenyl oxide as the unique carbon source at 28 DEG C under the pH value of 7.4 at the shaking table rotation frequency of 160 rpm, the degradation rate of the Rhodococcus ruber for decabromodiphenyl oxide is up to 91%.

The invention discloses an anti-cracking waterproof high-performance asphalt cable material. The cable material is prepared from, by weight, 94-96 parts of high-density polyethylene, 15-17 parts of decabromodiphenyl ether, 7-9 parts of antimonous oxide, 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-aminopropyl triethoxy silane, 4-6 parts of silicon carbide, 3-4 parts of zinc oxide, 2-3 parts of graphene, 9-11 parts of asphalt, 1-1.3 parts of accelerant DM, 2-3 parts of epoxy linseed oil, 10-12 parts of ethylene-vinyl acetate copolymer and 10-13 parts of absolute ethyl alcohol. By means of a series of modification, viscosity is reduced, fluidity is improved, compatibility with a base material is improved, flame retardant master batch and anti-breakdown modified master batch are added, and therefore the cable material is higher in high-temperature stability and low-temperature crack resistance, flexible, waterproof, resistant to abrasion, economical and durable and absorbs shock.

The invention provides a corrosion-resistant fireproof coating, which belongs to the technical field of coatings. The corrosion-resistant fireproof coating comprises, by weight, 2 to 3 parts of ethylene-vinyl acetate copolymer emulsion, 1 to 2 parts of decabromodiphenyl ether, 5 to 10 parts of epoxy resin, 4 to 6 parts of chlorinated rubber, 5 to 10 parts of phenolic resin, 3 to 5 parts of perchlorethylene resin, 1 part of potassium titanate whisker, 1 to 2 parts of zinc-aluminum alloy powder, 1 part of melamine, 1 part of ammonium polyphosphate, 1 part of borax, 2 to 3 parts of glass powder, 5 to 8 parts of dibutyl benzoate, 2 to 7 parts of pentaerythritol, 6 to 12 parts of gypsum, 5 to 9 parts of acrylate resin and 10 to 20 parts of a solvent. The fireproof coating provided by the invention has excellent corrosion resistance and has fire resistance in accordance with national regulations.

The invention relates to a fire retardant added into an asphalt mixture and a preparation method thereof. The composite fire retardant provided by the invention consists of an organic brominated flame retardant, an inorganic synegetic flame retardant, a smoke suppressant, organic monotmorillonite, asphalt and polyethylene, wherein the adopted organic brominated flame retardant can be one or a mixture of a plurality of decabromodiphenyl ether, octabromodiphenyl ether, decabromodiphenylethane, ethylene bistetrabromophthalimide and the like; the inorganic synegetic flame retardant is flame retardant antimony trioxide or molybdenum oxide or the mixture of the flame retardant antimony trioxide and the molybdenum oxide; the organic monotmorillonite is organic modified nano-laminated silicate; the asphalt is lake asphalt or building petroleum asphalt or the mixture of the lake asphalt and the building petroleum asphalt; and the polyethylene is linear low-density polyethylene. The composite fire retardant provided by the invention has high flame retardant performance and high temperature stability and can be added into the asphalt mixture on the spot for construction.

The invention provides a method for detecting the content of tetrabromobisphenol A, decabromodiphenyl ether and hexabromocyclododecane brominated flame retardants in an aquatic product. The method is characterized by comprising the following steps that the content of the tetrabromobisphenol A, decabromodiphenyl ether and hexabromocyclododecane brominated flame retardants in the aquatic product is measured by establishing accelerated solvent extraction-fast liquid chromatography-tandem mass spectrometry, an aquatic product sample needing to be detected is separated through a C18 chromatographic column, gradient elution is conducted by taking water and methyl alcohol as mobile phases, detection is conducted in a mass spectrum multi-reaction monitoring mode, the matrix standard is corrected, quantitative determination is conducted through an external standard method, and confirmation is conducted. The detection method has the advantages that operation is easy and convenient, and detection is fast and accurate; by establishing the method for simultaneously detecting the tetrabromobisphenol A, decabromodiphenyl ether and hexabromocyclododecane brominated flame retardants in the aquatic product, physical health and life safety of consumers are guaranteed, a great practical significance is achieved for promoting sustainable and healthy development of aquatic product processing industry, and a beneficial technical reserve is provided for a food industry supervision department and a detection mechanism.

The invention belongs to the technical field of packing materials and particularly relates to a courier bag material. The courier bag material comprises the following components: 35-45 parts of low-density polyethylene, 5-10 parts of high-density polyethylene, 50-55 parts of linear low-density polyethylene, 5-10 parts of mica, 3-7 parts of calcium carbonate, 1-9 parts of palygorskite, 1-4 parts of decabromodiphenyl ether, 1-5 parts of antimony trioxide, 1.5-2.0 parts of chlorinated polyethylene, 0.1-0.25 part of antioxidant, 0.1-2 parts of coupling agent and 0.3-0.8 part of zinc stearate. Compared with the prior art, by optimizing a formula of the courier bag material, the courier bag made of the courier bag material has the characteristics of high strength, puncture resistance, laceration resistance, and better heat resistance, wear resistance and flame retardancy, thus improving the security and practicability of the courier bag significantly and being widely applicable to various courier bags.

The invention discloses a flame-retardant rubber material capable of protecting high-risk chemicals and a method for preparing the same, belongs to the technical field of rubber and solves the problems of single function and poor quality due to single rubber type, and difficult formation of homogeneous phase while compounding a plurality of types of rubbers of the existing rubber. The flame-retardant rubber material capable of protecting high-risk chemicals is composed of the following components according to parts by weight: 30-80 parts of chlorinated butyl rubber, 30-10 parts of butadiene styrene rubber, 40-10 parts of neoprene, 2.0 parts of sulfur, 0.8-1.2 parts of accelerant TT, 0.8-1.2 parts of accelerant DM, 30 parts of high abrasion proof carbon black, 8-15 parts of decabromodiphenyl ether, 8-20 parts of antimonous oxide, 5-15 parts of chlorcosane, 5.0 parts of zinc oxide, 2.5 parts of stearic acid and 2.0 parts of antiager D. The flame retardant rubber material effectively overcomes the shortcomings of single function and poor quality of single rubber type; the product is capable of effectively protecting high-risk chemicals and highly corrosive materials, and thus can be widely applied to effectively protecting the feet, the head and the skin.