Red Ratchet
Common agent of several fire
HC plastic mesh information: Nylon May be halogen / antimony or Other Synergistic flame retardant system can also be red phosphorus or melamine class Halogen-free flame retardant System to fire. From the perspective of quantity, halogen / antimony cooperative system is still the most widely used nylon flame retardant system. In some parts of Europe and Asia, people are committed to finding a halogen Flame Retardant Alternatives. But generally speaking, the existence of these alternative systems are generally low thermal stability, or moisture absorption and so on. The red phosphorus is, there are storage problems, because itself flammable. The following are the main nylon used in some flame retardants and their respective advantages and disadvantages.
(1) halogen-containing flame retardant system: One of the most important is also the most widely used in foreign countries is a brominated styrene polymer, which has very excellent thermal stability, and because it is fused with nylon to mixed and, therefore, during processing with good mobility. In addition, the preparation of flame-retardant nylon with it also has excellent electrical properties and good mechanical properties. The limitations of this flame retardant is less stable and light can not be completely compatible with the nylon. Also the cost and the domestic application of 10 PBDEs wider than high. Another application in nylon flame retardant for many years is the enemy combustible, it is a chlorinated flame retardants, flame retardant with high efficiency and power performance, but its limitations in thermal stability so that only low processing temperature of nylon flame retardant system. In China most widely used flame retardant is decabromodiphenyl ether in conjunction stupid, because of their high content of the brominated flame retardant nylon with high efficiency, is a most economical flame retardant. However, it is a flame retardant filler, so the processing of liquid and mechanical properties of products have great negative impact. In addition, the thermal stability and also teach the poor light stability. In recent years, it developed in the use of flame retardant nylon, a new flame retardant is decabromodiphenyl ethane, brominated diphenyl ethers with 10 has the same bromine content and the same high flame retardant efficiency and the same with non-brominated styrene polymer (so-called 2! f because of) the problem. In addition, it has good thermal stability and light stability. Its limitations is that it and 10 PBDEs belong to the flame retardant filler, poor compatibility with the polymer, which process mobility and poor mechanical properties of products. In addition, compared with 10 PBDEs costs higher.
(2) halogen-free flame retardant system: nylon wider application of red phosphorus and halogen-free flame retardant melamine salts. Red phosphorus flame retardant with high efficiency and can improve the products resistance to arc, but the color of their storage and the limitations greatly limit its application in nylon, generally used in nylon 6. The other is the use of halogen-free flame retardant nylon melamine salt is mainly melamine salt of uric acid and phosphate. They have good flame-retardant efficiency, but poor thermal stability, and as easy to absorb moisture and makes the products in poor electrical performance under wet conditions.
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