608 results about "Brominated flame retardant" patented technology

Prepare an extruded thermoplastic polymer foam having a thermoplastic polymer composition having defined therein multiple cells, the thermoplastic polymer foam containing at least one thermoplastic polymer, a brominated flame retardant, an epoxy containing organic compound and 180 weight parts or less of water extractable cations using a brominated flame retardant, an innocuous stabilizer and a blowing agent containing water.

The invention discloses a polyamide composition with flame retardance and thermoplasticity. The polyamide composition with flame retardance and thermoplasticity comprises the following components in percentage by weight: 30-90% of thermoplastic polyamide resin, 5-40% of a brominated flame retardant, 0.5-15% of a flame-retardant synergist and 0-50% of a reinforcing material. According to the polyamide composition, the brominated flame retardant, the high-efficiency flame-retardant synergist (namely zinc borate) and organic silicon are added in polyamide resin, on the one hand, the polyamide composition can replace antimony trioxide which is a rare material and is limited to be exploited by the nation at present, limited strategic resources of the nation can be saved, and the cost is lowered; and on the other hand, the flame retardance, a CTI (comparative tracking index) value and GWIT (glow wire ignition temperature) of the polyamide composition can be improved greatly, and the safety guarantee is provided for the use of the flame-retardant polyamide product on electronic appliances with high requirements.

The invention discloses an aqueous foaming flame-retardant coating gum for textiles and a preparation method thereof. The existing flame-retardant coating gum can not meet requirements of a foaming finishing process. The aqueous foaming flame-retardant coating gum is prepared from the following components: aqueous substrate emulsion comprising aqueous polyurethane emulsion and aqueous acrylic ester emulsion, brominated flame retardant additive, phosphate based flame retardant additive, a flame retardant synergistic agent, a thickening agent, a foaming agent, a foaming stabilizer, an anti-settling agent and a feeling agent. The coating gum can meet the requirements of a foaming finishing technique, finishes coatings of fabrics after directly being physically foamed by a mechanical foaming machine and meets new requirements of textiles for coating finishing.

A vinyl-compound-based resin composition containing a terminal vinyl compound (a) of a bifunctional phenylene ether oligomer having a polyphenylene ether structure, a naphthol aralkyl type cyanate ester resin (b), a bisphenol A cyanate ester resin (c), a brominated flame retardant (d) and an inorganic filler (e), which resin composition is for use in a printed wiring board for high multilayer and high frequency and is improved in moldability and copper foil peel strength, which are conventional problems, without any decrease in electric characteristics and heat resistance after moisture absorption while keeping flame retardancy, a prepreg comprising the above resin composition and a glass woven fabric, a metal-foil-clad laminate obtained by disposing a metal foil on one side or both sides of a stack of at least one prepreg and laminate-molding the resultant set, and a resin sheet obtained by applying a solution of the above resin composition to a surface of a metal foil or a film.

The invention discloses a water-based flame-retardant coating adhesive and a preparation method thereof. The conventional flame-retardant coating adhesive adopts a gas-phase fire retardant as a main component, and fabrics cannot reach the BS-5852:2006 flame retardant test standard after being subjected to coating finishing by the conventional flame-retardant coating adhesive. The water-based flame-retardant coating adhesive comprises the following components in part by weight: 100 parts of waterborne base emulsion consisting of 30-60 parts of waterborne polyurethane emulsion and 40-70 parts of waterborne polyacrylate emulsion, 30-60 parts of a brominated flame retardant, 10-40 parts of polyhydroxylated compound, 5-10 parts of a phosphorus flame retardant, 5-20 parts of a flame retardant synergist, 5-10 parts of a thickening agent, 0.5 part of waterborne blocked isocyanate, and 0.3-0.5 part of a feeling agent. When the water-based flame-retardant coating adhesive performs coating finishing on fabrics, a continuous compact carbon layer is formed on the surface of the fabrics after flame occurs, so that the flame is effectively isolated, and the fabrics can reach the BS-5852:2006 flame retardant test standard.

The invention relates to a low-L value (less than 27) inflaming retarding ABS modified resin and a preparation method thereof. The resin comprises the components with the content (based on parts by weight): 100 parts of ABS resin, 10-25 parts of brominated flame retardant, 20-40 parts of inorganic inflaming retarding master batch, 0.1-0.5 part of anti-dripping agent, 0.2-1 part of antioxidant, 0.1-0.5 part of light stabilizer, 1-3 parts of lubricating agent and 1-4 parts of black master batch. Compared with the prior art, the invention has reasonable technique, overcomes the defect of high L value (namely, low degree of blackness) of the existing inflaming retarding ABS resin, and adopts the novel high-efficiency inflaming retarding synergistic effect technology. The invention leads the resin has higher degree of blackness by reasonably selecting the grain diameter of antimony trioxide, a carbon black lubricating dispersion system and the processing technique of a master batch method on the basis of maintaining the excellent performance of the inflaming retarding ABS resin, and has wide application prospect in the field of the requirement of high degree of blackness.

Prepare an extruded thermoplastic polymer foam having less 1000 parts per million, based on total polymer weight, of cations from water soluble salts that exist or form into a solid or glassy state that is less malleable than the thermoplastic polymer as the foamable composition exits an extrusion die during foam manufacturing using a brominated flame retardant, an innocuous stabilizer and a blowing agent containing water.

The invention discloses a flame retardant intensified polybutylene terephthalate composite and a preparation method thereof; weight portions of the compositions for preparing the flame retardant intensified polybutylene terephthalate composite are: 100 portions of medium viscosity PBT resin, 15 to 30 portions of brominated flame retardants, 10 to 30 portions of composite mother particles, and 15 to 150 portions of fiber glass. The product of the invention has good stability of heat resistance and oxygen aging in the treatment process and good stability of heat resistance and oxygen aging in long-term use at high temperature, so light color and bright color products are difficult to change color during the processing period, and difficult to turn yellow or black under long-term use at high temperature, which can satisfy the application in long-term use at high temperature for electronic and electrical components and appearance parts and large power energy-saving light.

The invention discloses a flame-retardant polypropylene composition with high glow-wire ignition temperature (GWIT). The composition is characterized by comprising the following components in percentage by weight: 35.0 to 66.5 percent of polypropylene, 15.0 to 20.0 percent of brominated flame retardants, 3.0 to 8.0 percent of flame-retardant synergist, 15.0 to 35.0 percent of high-efficiency composite flame retardant, 0.1 to 0.5 percent of primary antioxidant, 0.1 to 0.5 percent of auxiliary antioxidant and 0.3 to 1.0 percent of processing aid. The composition has the advantages that: a) the composite flame retardant can achieve a microcapsule coating effect around the composite flame retardant, and the heat is taken away and the heat conduction is reduced by isolating oxygen; b) ultrafine magnesium hydroxide can generate metal oxide to reduce heat conduction in the heating process of a glow wire, and produce steam which can take away the heat, and the surface treatment of the precipitated ultrafine magnesium hydroxide slightly affects the mechanical properties of the flame-retardant modified polypropylene composition; and c) an organosiloxane polymer with high polymerization degree can form a silicon carbide gel isolation layer to isolate oxygen and achieve a flame-retardant effect, the GWIT is higher than required 750 DEG C, and the composition is widely applied to the fields of machinery, industry and the like.

The invention discloses a water treatment method of zero-valent iron-copper bi-metal activated persulfate. The water treatment method specifically comprises the steps that bi-metals including zero-valent iron and copper are added into water containing micro-pollutants, then persulfate is added, full mixing is performed, the bi-metals including the zero-valent iron and the copper are utilized to activate the persulfate so as to remove the micro-pollutants in the water. The water treatment method utilizes the bi-metals including the zero-valent iron and the copper to efficiently activate the persulfate so as to produce free sulfate radicals having strong oxidizing property, can achieve the purpose of quickly and thoroughly removing micro-pollutants, including multiple types of poisonous and harmful micro-pollutants in water, such as polychlorinated biphenyl, brominated flame retardants, drugs and personal care products (PPCPs) and algal toxin, and has the advantages of high activation efficiency, high oxidation and degradation efficiency of pollutants, wide pH using range, convenient operation and the like. The water treatment method can be applied to underground water remediation, treatment of industrial water (including electroplating wastewater, hospital wastewater, printing and dyeing wastewater and the like), drinking water treatment, wastewater treatment and the like.

The invention relates to the technical field of high-molecular material, and more specifically relates to a flame retardant reinforced nylon material with a high glow wire ignition temperature and a preparation method thereof. The flame retardant reinforced nylon material with a high glow wire ignition temperature of the invention comprises nylon 6 resin, brominated flame retardant system, anti-oxidant alkali-free glass fibre and processing auxiliary agent. The material of the invention has an increased glow wire ignition temperature of 850 DEG C compared with 750 DEG C specified in European Union IEC60695 standard, so as to expand usage scope of an unwatched electric appliance; the flame retardant reinforced nylon material has advantages of high strength, high toughness, rapid moulding and good cost performance, and can satisfy requirements of electron electric appliances and household electrical appliances, such as microswitch, socket connector and fuse.

The invention relates to flame retardant systems including the brominated flame retardants and chlorinated flame retardants with synergists and char formers for use in wood-filled resins in combination with compatibilizers to enhance physical properties and to increase water extraction resistance and long term durability. Desirable embodiments of the invention relate to brominated and chlorinated flame retardant additives, synergists, and char formers for use in resins, including polyolefins, fillers, wood-filled polyolefins, in combination with compatibilizers and methods of use of the flame retardants and fillers. The invention includes methods of making and using the composition.

The invention discloses antistatic modified polyester and a method for preparing the same. The antistatic modified polyester comprises the following components by weight percent: 30-70 percent of polyester resin, 0-50 percent of alkali-free glass fibre, 8-20 percent of brominated flame retardant, 1-5 percent of antimony trioxide, 1-8 percent of antistatic agent, 0-10 percent of toughening agent, 0.1-0.5 percent of antioxidant, 0-5 percent of coloring agent and 0.5-1 percent of processing auxiliary. The antistatic modified polyester has good thermal stability, excellent mechanical performance, can be made into a variety of colors and has broad application prospect.

The invention discloses an efficient flame retardant polyolefin composition. The efficient flame retardant polyolefin composition is prepared from the following raw materials in percentage by mass: 90.7-99% percent of polypropylene, 0.4-4 percent of hypophosphite, 0.1-2 percent of melamine hydrobromide, 0.2-2 percent of flame retardant synergist, 0.1-0.3 percent of lubricant EBS, 0.1-0.5 percent of main antioxidant and 0.1-0.5 percent of secondary antioxidant, wherein the flame retardant synergist is a polymeric mixture generated by a polymerization reaction between an isopropyl benzene compound and diisopropylbenzene. The efficient flame retardant polyolefin composition has efficient flame retardancy; in the raw materials, the hypophosphite is taken as a phosphorus-based flame retardant, the melamine hydrobromide is taken as a brominated flame retardant, and the polymeric mixture generated by the polymerization reaction between the isopropyl benzene compound and the diisopropylbenzene is taken as the flame retardant synergist; an added hypophosphite/melamine hydrobromide/flame retardant synergist flame retardant system had no influence on the mechanical property of the polypropylene.

The invention relates to the technical field of a high polymer material and especially relates to a low-temperature flame-retarded polyamide composition, and the composition includes the raw materials based on the following mass percentage: 20-70% of nylon resin, 10-30% of main flame retardant, 0-15% of synergistic agent, 10-40% of alkali-free glass fiber, 0-1% of antioxidant, and 0-2% of lubricant, wherein the nylon resin is one of nylon 66 and nylon 6 or their mixture; the main flame retardant is a brominated flame retardant; the synergistic agent is selected from one of compounds of antimonous oxide master batch, zinc borate, silicon dioxide and metallic oxide or the mixture prepared by more than one compound; the lubricant is a lubricant with high molecular weight and dispersion and includes one of polyethylene wax, modified PE wax, OP wax and lignite wax. The polyamide composition isn't easily migrated or precipitated at high-temperature moisture conditions and low in material cost, the preparation method is simple and beneficial to popularization and application.

The invention relates to the technical field of polymer material, in particular to a flame-retardant ABS modified resin having high glaze and a manufacturing method thereof. The invention provides the flame-retardant ABS modified resin having high glaze, which comprises ABS high glue powder, SAN resin, brominated flame retardant, antimonic flame retardant, antioxidizer, heat stabilizer and processing aid. The flame-retardant ABS modified resin is characterized in that the ABS has the rubber-particle size being less than 1mum. Based on maintaining excellent physical property of the original ABS resin, the flame-retardant ABS modified resin having high glaze has good flame retardant property and the high glaze of the surface. The flame-retardant ABS modified resin having high glaze can be prepared by traditional twin-screw extrusion process equipment, has the advantages of simple and continuous production flow, high production efficiency and stable product quality, and can be widely applied to the industries such as household electrical appliances having high glaze and flame-retardant requirements, automobile industry, etc.

The invention discloses a high-fluidity high-fire resistance polyvinyl chloride composite material and a method for preparing the same. The composite material mainly comprises the following components in part by weight: 100 parts of polyvinyl chloride, 3 to 6 parts of stabilizer, 40 to 50 parts of plasticizer, 6 to 10 parts of brominated flame retardant, 6 to 10 parts of zinc borate, 4 to 8 parts of antimony trioxide and 15 to 25 parts of flow modifier. The preparation method comprises the following steps of A: mixing raw materials in a ratio; and B: performing extrusion and granulation. The polyvinyl chloride composite material has quite high fluidity and fire resistance, has excellent heat resistance, weathering resistance and ultraviolet resistance, does not contain phthalic acid and heavy metal and is an environment-friendly polyvinyl chloride composite material.

The invention discloses waterborne flame-retardant polyurethane resin and a preparation method thereof. The waterborne flame-retardant polyurethane resin is waterborne flame-retardant polyurethane resin of brominated flame-retardant polyether, which has the solid content ranging from 20% to 40%. The preparation method comprises the step that: a polyurethane prepolymer A for preparing the brominated polyether and polyurethane B for preparing blocked isocyanate of the brominated polyether are subjected to emulsion and chain extending reaction to prepare the waterborne flame-retardant polyurethane resin. The waterborne flame-retardant polyurethane resin has excellent flame retardant property and washing fastness, and can be used directly as a flame-retardant coating adhesive and flame-retardant paint for fabrics, and the like.

The invention provides a high antibacterial flame-retardant acrylonitrile-butadiene-styrene (ABS) material and a preparation method thereof. The high antibacterial flame-retardant ABS material is prepared from ABS resin, a flexibilizer, a brominated flame retardant, an auxiliary fire retardant, polytetrafluoroethylene, a heat stabilizer, an antioxidant, a lubricating agent, glycerol monostearate and a zinc ion antibacterial agent in parts by weight. By adopting the high antibacterial flame-retardant ABS material, the zinc ion antibacterial agent, the brominated flame retardant and the auxiliary fire retardant are adopted; meanwhile, an efficient dispersant glycerol monostearate is adopted to pre-disperse the antibacterial agent; the antibacterial material can be evenly dispersed in the composition; birdnesting of the antibacterial agent is prevented; meanwhile, gathering of the antibacterial agent at the surface of the flame-retardant ABS material is facilitated by the lubricating effect of the dispersant; the antibacterial effect of the material is greatly improved; the antibacterial effect of the antibacterial agent is improved; the antibacterial property, the fire resistance and excellent mechanical property of the ABS material are improved.

The invention discloses a halogen-free flame-retardant ABS/PET alloy and a preparation method thereof. The alloy consists of the following components in percentage by weight: 15 to 50 percent of PET resin, 30 to 60 percent of ABS resin, 5 to 15 percent of phosphorus flame retardants, 5 to 10 percent of nitrogenated flame retardants, 0 to 6 percent of compatilizer, 0 to 5 percent of flexibilizer and 0 to 0.5 percent of antioxidant. The alloy avoids releasing harmful substances to human body in a combustion process of brominated flame retardants by combining a flame-retardant system by adopting phosphorus and nitrogen compounds, has environmental-friendly significance, simultaneously improves combination properties of a composite material and is easy to mold and process.

The invention discloses a method for treating water by using zero-valent iron-nickel bi-metal activated persulfate. According to the method, the zero-valent iron-nickel bi-metal activated persulfate is used, and micropollutants in the water are removed. The zero-valent iron-nickel bi-metal activated persulfate is used for efficiently generating high-oxidizing-property sulphate radical and high-oxidizing-property hydroxyl radical to attack the micropollutants, the micropollutants are degraded, and the purpose of quickly and thoroughly removing various poisonous and harmful micropollutants such as polychlorinated biphenyl, brominated flame retardants, medicines, personal care products (PPCPs) and algal toxin can be achieved. Compared with the existing the method for treating water by using zero-valent iron activated persulfate, the method has the advantages of high activating efficiency, high yield of the sulphate radical, high micropollutants removing efficiency and the like, is convenient and easy to operate, obvious in effect and wide in pH (potential of hydrogen) using range, and can be used for ground water remediation, treatment of industrial water comprising electroplating wastewater, wastewater of hospitals, printing and dyeing wastewater, treatment of drinking water, treatment of sewage and the like.