纳米蒙脱土增强聚氨酯-异氰脲酸酯材料研究  

Study on Polyurethane-Isocyurnate Material Reinforced by Nanometer Montmorillonite

作　　者：王士财[1] 张晓东[1] 楼涛[1] 佘希林[1] 李志国[1] 

机构地区：[1]青岛大学化学化工与环境学院,266071

出　　处：《聚氨酯工业》2009年第5期26-29,共4页Polyurethane Industry

摘　　要：采用原位插层聚合法制备了纳米蒙脱土(nano-MMT)增强聚氨酯-异氰脲酸酯(PUI)材料,考察了PUI聚合物基础配方及其nano-MMT用量对材料性能的影响。结果表明:使用碳化二亚胺改性的MDI和相对分子质量为2000的聚醚二醇为原料、催化剂DMP-30的质量分数为2.5%、n(NCO)/n(OH)为10∶1、nano-MMT质量分数为3%时,nano-MMT/PUI材料的力学性能和热稳定性都得到显著提高,综合性能最优。The polyurethane-isocyurnate(PUI) material reinforced by nanometer montmorillonite(nano-MMT) was prepared by situ intercalative polymerization,on the basis of studying PUI fundamental formula and the effect of nano-MMT on material properties.The results showed that the mechanical and thermal properties of nano-MMT/PUI material were improved,with the carbodiimide modified MDI and the polyether diol which Mn was 2000 as materials,n(NCO)/n(OH) ratio was 10 ∶1,catalyst(DMP-30) was 2.5%,when nano-MMT content was...

关 键 词：聚氨酯 异氰脲酸酯 纳米蒙脱土 增强 

分 类 号：TQ323.8[化学工程—合成树脂塑料工业]