AC/LDHs插层复合材料的制备及其在挤出发泡成型中的应用  

Preparation of a Nano-Composite AC/LDHs by Novel Intercalation-Replacement Processing and Using in Extrusion

作　　者：杜冰娟[1] 刘颖[1] 吴大鸣[1] 郑秀婷[1] 

机构地区：[1]北京化工大学机电工程学院,北京100029

出　　处：《塑料》2007年第6期58-62,共5页Plastics

摘　　要：以苯甲酸插层改性LDHs纳米粉体为交换前体，采用插层置换的方法，制备出一种AC／LDHs新型纳米复合发泡材料。采用XRD、TG—DTA等手段对新材料进行了表征。结果表明：pH值是影响插层效果的一个关键因素，且pH=4时，插层效果最好。利用pH=4条件下制备的新型插层复合材料在适当条件下进行挤出发泡成型，可以得到孔径为20～40μm左右的泡孔分布均匀的发泡制品。A novel nano-composite, AC intercalated LDHs, was prepared by the novel intercalationreplacement processing of azodicarbonamide（AC）. The nano-composites were characterized by means of XRD and thermal analyses, pH was one of the key factors for the interlayer. The optimal results were obtained when pH =4. Using by this nano-composite in extrusion,the foams reached about 20- 40μm.

关 键 词：LDHS 插层 纳米复合材料 AC 挤出发泡成型 

分 类 号：TQ320.662[化学工程—合成树脂塑料工业]