研究了聚磷酸铵(APP)对回收PET(r-PET)合金阻燃性能和力学性能的影响.阻燃和热稳定性结果表明,加入24份APP可使合金阻燃等级达到Ⅴ-0级,受热分解速率降低,残炭量增加且生成的炭层高温热稳定性好.力学性能结果表明,随着APP含量增加,r-PET合金的拉伸强度、弯曲强度和弯曲模量均逐渐增加,但韧性降低.
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