Halogen-free flame retardants play an important role in the field of fabric flame retardancy.
Halogen-free flame retardants play an important role in the field of fabric flame retardancy. As people’s awareness of environmental protection increases, traditional halogen-containing flame retardants are increasingly being replaced. Halogen-free flame retardants are compounds that do not contain halogen elements such as chlorine and bromine. Their use has many advantages in fabric flame retardancy. Currently, several halogen-free flame retardants are widely used in the field of fabric flame retardancy. Representative examples include: ammonium polyphosphate (APP), copolycyanurate (CP), aluminum hydroxide (ATH), nitrogen-phosphorus flame retardant (HNF), etc. These halogen-free flame retardants not only effectively slow down the burning rate of fabrics, but also produce chemical reactions that inhibit combustion at high temperatures, thereby preventing the spread of fire. Special emphasis should be placed on ammonium polyphosphate (APP). As a commonly used halogen-free flame retardant, APP has excellent fabric flame retardant capabilities. In fabrics, APP can chemically absorb heat and decompose to form a flame retardant phosphate expansion layer, which effectively blocks the transfer of oxygen and heat and prevents the spread of combustion. At the same time, APP can also promote the carbonization reaction of the fabric and generate a dense carbon layer, further improving the flame retardant performance of the fabric. This makes APP one of the most popular halogen-free flame retardants in the field of fabric flame retardancy. In summary, halogen-free flame retardants play a key role in the field of fabric flame retardancy. By using representative halogen-free flame retardants such as ammonium polyphosphate, fabrics can achieve good flame retardant effects and improve fire safety. With the continuous advancement of technology, it is believed that halogen-free flame retardants will play a more important role in fabric flame retardancy in the future.
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Post time: Oct-11-2023