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Flame retardants are currently widely used in glass fiber reinforced nylon

Announcer：道尔 Date：2020/1/10 9:16:55 Views：272

Although halogen flame retardants have good flame retardant effects and large market demand, halogen flame retardants generate a large amount of smoke, corrosive gases and toxic gases that are harmful to humans and the environment when they are burned. With the increasing awareness of environmental protection worldwide, various countries have gradually introduced various regulations to gradually restrict and ban the use of halogen-containing flame retardants. Therefore, from the perspective of long-term development, halogen-free flame retardant is the future development of nylon flame retardants. direction. The most important one and the most widely used abroad is brominated styrene polymer, which has extremely excellent thermal stability, and because it is melt-miscible with nylon, it has a good performance during processing. fluidity. In addition, the flame-retardant nylon prepared with it also has superior electrical properties and good physical and mechanical properties. The limitation of this flame retardant is that it has poor light stability, is not completely compatible with nylon flame retardants, and its cost is also higher than that of decabromodiphenyl ether, which is currently widely used in China.

Decabromodiphenyl ether is currently the most widely used flame retardant in China. Due to its higher bromine content, it has higher flame retardant efficiency to nylon flame retardants and is the most economical flame retardant. But because it is a filler-type flame retardant, it has a great negative impact on the processing fluidity and the physical and mechanical properties of the product. Especially in today's increasingly complex product structures such as electrical connectors, the requirements for the processing fluidity of resins are also increasing. Based on the current status and development prospects of bromine flame retardants at home and abroad, despite the pressure of environmental restrictions, bromine flame retardants have unmatched high flame retardant efficiency and low price, and will definitely be flame retardants in the short term. In the near future, it is feasible to moderately develop the production and development of brominated flame retardants in China, but it is necessary to be cautious in the development scale and variety selection. Not only the use performance of bromine flame retardants, the existing foundation, production technology and the supply of raw materials, but also their labor protection, environmental protection requirements, effects, and prices should be considered. At the same time, the development of bromine flame retardants must be done well. Full market research, analysis of market supply and demand.