聚酰胺和双氰胺稳定聚甲醛的研究  

Study of Stabilization of POM by Polyamide and Cyanoguanidine

作　　者：陈信忠[1] 谷剑峰 张祥福[1] 胡企中 

机构地区：[1]上海交通大学高分子材料研究所 [2]上海溶剂厂

出　　处：《塑料工业》1999年第4期36-38,共3页China Plastics Industry

摘　　要：研究了在主抗氧剂Ｉｒｇａｎｏｘ２４５存在下，聚酰胺（ＰＡＴ）和双氰胺（ＣＧ）稳定共聚甲醛（ＰＯＭ）的效果。研究表明ＰＡＴ与ＣＧ并用有较好的协同作用，当Ｉｒｇａｎｏｘ２４５用量为０５％、ＣＧ０３％、ＰＡＴ０１％时可达到最佳的稳定化结果，在２２０℃下加热１ｈ共聚甲醛的热失重率仅为０３６５％The heat stability of POM was improved by using polyamide (PAT) and cyanoguanidine(CG),with Irganox 245 as main antioxidant.The results showed when PAT and CG were both used,there was a synergistic action for the stabilization of POM.When Irganox 245 content was 0.5%,CG 0.3% and PAT 0.1%,the stability was the best,resulting in a weight loss ratio of 0.365% at 220 for 1h.

关 键 词：聚甲醛 聚酰胺 双氰胺 热稳定性 

分 类 号：TQ326.51[化学工程—合成树脂塑料工业]