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    Home > Coatings News > Paints and Coatings Market > The development status and trend of flame retardant materials

    The development status and trend of flame retardant materials

    • Last Update: 2020-12-25
    • Source: Internet
    • Author: User
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    1, the current situation of development at home and abroad flame retardant is a polymer synthetic material booster, the use of flame retardant agent can be polymer material flame retardant treatment, so as to avoid material combustion and prevent the spread of fire, to promote synthetic materials with smoke-free, self-extinguishing and flame retardant.2, commonly used flame retardant advantages and disadvantages analysis In recent years, with the increase in the production of plastic products and safety standards, flame retardant materials are more widely used, in general, flame retardant materials can be divided into organic flame retardant materials and inorganic flame retardant materials. Among them, organic flame retardant materials are mainly halogen additives, inorganic materials not only have a certain flame retardant effect, but also produce hydrogen chloride and prevent smoke. In addition, inoranced flame retardant materials are non-toxic, non-corrosive and inexpensive. The United States, Japan and other countries in the consumption of inoranced flame retardant materials more than 60%, however, China's consumption of inoranced flame retardant materials is less than 10%.2.1 halogen flame retardantthe largest yield, but also the most widely used. The material added to the flame retardant releases hydrogen halide during combustion and obtains free fundamentals, thus preventing the transfer of combustion chains, which in turn produces low-activity free fundamentals to slow combustion. Halogen flame retardants are generally used in thermoplastic materials and thermostate materials, not only with polymer materials compatibility is better, but also easy to use, so welcomed by the market, widely used in automotive, packaging, textile and other industries.2.2 Phosphorus flame retardantinorganic phosphorus flame retardant mainly includes phosphate, red phosphorus, etc. , the application is more extensive red phosphorus, red phosphorus belongs to a better flame retardant, but in practical applications, red phosphorus flame retardant material is easy to oxidize and release harmful highly toxic gases, combustion of dust easy to cause explosion, in resin mixing and molding processing there is a certain risk, therefore, phosphorus flame retardant material is limited. The improved red phosphorus flame retardant is to add metal hydroxide to it, which solves the toxicity problem of polymer material to a certain extent.2.3 Nitrogen flame retardantscommonly used varieties of melamine, melamine uric acid (MCA), etc., often need to be added to the synergizer, nitrogen/phosphorus is the most commonly used collaborative flame retardant system, mainly used in PA, PU, PO, PET, PS, PVC and other resins.melamine uricate is a nitrogen-containing halogen-free environmentally friendly flame retardant, especially suitable for unfilled PA6 and PA66, with powdered and granular forms. When burned with the flame retardant polyamide foam of the product, the carbon foam layer formed protects the polymer and insescexics oxygen.2.4 Metal oxide flame retardantsmetal oxide flame retardants are mainly intrinsical flame retardant elements in the form of monomers or compounds added to the flame retardant substrate, in a physical dispersion state and high-polymer fully mixed, in the gas phase or condensed phase through chemical or physical changes to play a flame retardant effect.hydroxide is the most sold flame retardant for inorganic hydroxides, mainly used in the processing of artificial rubber, thermosteroid resins and thermoplastics at temperatures below 200 degrees C. Aluminum hydroxide flame retardant plastic in the flame less smoke is a prominent advantage.hydroxide is an inorganic flame retardant with better thermal stability, and remains stable at more than 300 degrees C, making rubber, resins, including engineering plastics and other resins processed at high temperatures. In the polymer system plays a flame retardant, smoke-free role. Composite use with ATH complements each other, and its flame retardant effect is better than using alone.3, the future development trend of flame retardants In the past 10 years, the growth rate of flame retardants in China has been maintained at 15% to 20%, the current annual consumption of about 570,000 tons, in 2019 China's consumption of flame retardants will increase to about 840,000 tons. Although the total consumption of flame retardants in China is higher than the world average, the application of flame retardant materials in China is still far lower than the world average, and the gap with developed countries in Europe and the United States is even greater.。
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