聚磷酸铵/三聚氰胺/聚氨酯复合阻燃聚甲醛的研究  

Study on APP、ME and TPU composites flame retardant POM

作　　者：张美玲[1] 曲敏杰[1] 代新英[1] 张金东[1] 高同[1] 

机构地区：[1]大连工业大学化工与材料学院,大连116034

出　　处：《化工新型材料》2010年第10期76-79,共4页New Chemical Materials

基　　金：大连市青年科技基金资助项目(2008J23JH039);辽宁省教育厅A类项目(2009A079)

摘　　要：采用聚磷酸铵(APP)/三聚氰胺(ME)/聚氨酯(TPU)制成复合阻燃剂阻燃聚甲醛。研究了复合阻燃剂配比及用量对聚甲醛性能的影响。通过扫描电镜分析阻燃剂粒子均匀分散于分散相聚氨酯中,改善了POM的力学性能。由于TPU自身成炭作用,可进一步提高聚甲醛的阻燃性能,当阻燃剂用量为40份时,冲击强度可达4.84KJ/m2,氧指数为27%。热失重分析结果表明阻燃剂的加入使得POM分解温度提前,残炭量提高。Flame retardant POM composites were prepared by using TPU as carrier to introduce APP/ME into POM matrix.The influences of APP/ME/TPU ratio and content on properties of POM composite were studied.APP/ME dispersed in polymer matrix evenly by scanning electron microscopy analysis,which improved the mechanism of the composite.Because of TPU carbon into their own,this flame retardant POM had exellent flame-retardancy.The results showed that when 40 parts of Composite fire retardant,the impact strength of the above modified POM was 4.84KJ/m2,the oxygen index of the flame retardant POM would come up to27%.Flame retardants could make the ahead of the accession of POM decomposition temperature and increased the amount of residual carbon by means of TGA.

关 键 词：聚甲醛 复合阻燃 聚磷酸铵 三聚氰胺 聚氨酯 

分 类 号：TQ326.51[化学工程—合成树脂塑料工业]