The phosphorus flame retardant was actually the function of retarding flame by three kinds of retarding flame mechanism mixed reaction with polymer, as a result, it has much higher effect.
磷系阻燃剂以三种阻燃机理同时参与聚合物的阻燃作用，因此具有很高的阻燃效果。聚合物分子中含氧元素及燃烧时容易炭化的聚合物被阻燃效果最好。
Synthesis of PPSA as a phosphorus-containing polymer water treatment agent;
甲壳胺是一种无毒、无公害、价廉的天然水处理剂。
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