聚丙烯/二氧化硅(PP/SiO2)纳米复合材料具有优异的加工、力学、热稳定等性能.如何实现SiO2在PP基体中的均匀分散及提高两相的界面相容性是制备PP/SiO2复合材料的关键.文中利用马来酸酐接枝的氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物(MA-SEBS)作增容剂,采用熔融共混和注塑成型的方法制备了PP/SiO2纳米复合材料;研究了MA-SEBS对PP/SiO2复合材料的力学性能、断面形貌及结晶行为的影响.结果表明:添加MA-SEBS显著提高了PP/SiO2复合材料的冲击强度,使SiO2在PP结晶过程中能更好地起到异相成核作用,提高了复合材料中PP相的结晶温度、降低了PP的球晶尺寸.
参考文献
| [1] | Hua Zou;Shishan Wu;Jian Shen .Polymer/Silica Nanocomposites: Preparation, Characterization, Properties, and Applications[J].Chemical Reviews,2008(9):3893-3957. |
| [2] | Chun Lei Wu;Ming Qiu Zhang;Min Zhi Rong .Silica nanoparticles filled polypropylene: effects of particle surface treatment, matrix ductility and particle species on mechanical performance of the composites[J].Composites science and technology,2005(3/4):635-645. |
| [3] | P.B.LENG HAZIZAN MD AKIL;ONG HUI LIN .Thermal Properties of Microsilica and Nanosilica Filled Polypropylene Composite with Epoxy as Dispersing Aid[J].Journal of Reinforced Plastics and Composites,2007(8):761-770. |
| [4] | 黄寅峰,张明祖,倪沛红.超支化聚乙烯亚胺接枝二氧化硅的制备及在聚丙烯改性中的应用[J].高分子学报,2012(03):250-255. |
| [5] | Yu-hui Ao;Kai Tang;Na Xu .Compatibilization of PP/SEBS-MAH blends by grafting Glycidyl Methacrylate onto Polypropylene[J].Polymer bulletin,2007(2):279-288. |
| [6] | 黄乐平,周兴平,解孝林.MA-SEBS对聚丙烯/滑石粉复合材料的增容作用[J].塑料工业,2009(04):25-28,34. |
| [7] | Tjong SC;Bao SP;Hang GD .Polypropylene/montmorillonite nanocomposites toughened with SEBS-g-MA: Structure-property relationship[J].Journal of Polymer Science, Part B. Polymer Physics,2005(21):3112-3126. |
| [8] | Matjaz Denac;Vojko Musil;Ivan Smit .Polypropylene/talc/SEBS (SEBS-g-MA) composites. Part 2. Mechanical properties[J].Composites, Part A. Applied science and manufacturing,2005(9):1282-1290. |
| [9] | Jing-Zhi Zheng;Xing-Ping Zhou;Xiao-Lin Xie .Silica hybrid particles with nanometre polymer shells and their influence on the toughening of polypropylene[J].Nanoscale,2010(10):2269-2274. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%