Ammonium polyphosphate(APP) which was surface-modified with melamine(MA) and 2,4-toluene diisocyanate(TDI) in turn was used as flame-retardant in linear low density polyethylene(LLDPE).

• 依次用密胺(MA)、2,4-甲苯二异氰酸酯(TDI)对聚磷酸铵(APP)进行改性,并分别应用于低密度线性聚乙烯(LLDPE)中。