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The flame retardant effect of different flame retardants in the polyurethane foam is different
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Halogen flame retardant mainly refers to a flame retardant containing BR or CL element, wherein the bromine flame retardant is an industrial production. The halogen flame retardant is added to the PC, plasticizing the PC material, improves fluidity, and is brought away from part of the heat during combustion; at the same time, a small amount of hydrogen halide is generated when the PC is burned, preventing oxygen entry; PC lysis produces H and Ho, and halogenated Hydrogen gas binding, blocked the further reaction of free radicals and oxygen. Especially in aluminum coating flame retardants, there are many unique technologies that the flame retardant aluminum coating has unique use, but its flame retardant has always been a problem, not only to consider the flame retardant effect, but also consider the friction and static friction.Flame retardant TCP manufacturer  In particular, the stripping strength, the hand is rubbed 50 times without falling off. Little girl selling flame retardants can always solve it one by one. Retardulous performance of artificial lawn: The use of flame retardants in the artificial turf, the artificial turf has been integrated into people's lives, such as various stadiums, commercial places, schools, urban greening, landscapes, etc., because it is closely related to people's lives, We should pay more attention to the safety of artificial lawn, so we must mention its flame retardancy. Phosphorus flame retardants are a weak flame inhibitor; the flame retardant mechanism is that the phosphorus compound is thermally decomposed into phosphate oxytes, which can promote the coke layer produced by the polymer dehydrated carbonization in graphite, block the internal polymer and oxygen contact; The conductivity of coke layer is poor, isolates the polymer to heat source, slow down thermal decomposition, and exerts flame retardant effect. Dehydration carbonization must rely on the oxygen group of the polymer itself. For polypropylene, no oxygen groups without oxygen groups, and the flame retardant effect is not good when the phosphorus flame retardant is used alone. If combined with aluminum hydroxide and magnesium hydroxide, a synergistic effect can be produced, thereby obtaining a good flame retardant effect. Common flame retardants include system flame retardants, phosphorus flame retardants, nitrogen phosphorus flame retardants, inorganic metal salt flame retardants, etc., according to common solid flame retardants, liquid flame retardants, powder solid flame retardants, particulate solids Flame retardant or the like. The novel polymer (polymer) brominated flame retardant has been successfully developed for replacing hexabrominated dendoxetane. Since the molecular volume is too large, it is difficult to penetrate the biological cell membrane to participate in physical circulation and metabolism, so it cannot cause damage to organic organisms, so even more environmentally friendly. According to the existing research, the bromine flame retardant is proven to destroy endocrine activity, affecting thyroid function regulation, and even affects brain development; especially pregnant women, excessive contact will directly lead to low birth weight, low IQ, low intelligence, behavioral ability. Because of this, after 2005, some American manufacturers have voluntarily abandon the flame retardant, which is prohibited in 23 states in the United States, and most developed countries have also abandoned bromine flame retardants. At present, halogen-free, low smoke, and low-toxic environmentally friendly flame retardants have always been people's goals. In recent years, some flame retardants and applications from all over the world have shown high enthusiasm for flame-retardant halogenating agents, and enormous efforts in the development of halogen-free flame retardants and flame retardant materials.Flame Retardant TCP supplier  According to the analysis, the main varieties of halogen-free flame retardants are phosphorus flame retardants and inorganic hydrates, mainly including rubble-free flame retardants.Tris(4-methylphenyl) phosphate factory  The flame retardant effect of different flame retardants in the polyurethane foam is different. As the flame retardant content changes, the variation of flame retardant effects is also different, and the mainly affected by the type of implantation and the compatibility of flame retardants and polyurethane foam. Flame retardancy has been included in the laws and regulations in the field of electrical and electrical and architectural fields. The halogen-free flame retardant manufacturer has found that there is also a corresponding provision in traffic in automobiles, trains, airplanes, and ships, US, Germany, France, and Japan.
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