采用一种可以与氯乙烯(VC)发生共聚反应的可反应性纳米SiO2,通过原位悬浮聚合的方法制备了PVC/SiO2纳米复合材料.通过TGA、XPS分析,说明可反应性的纳米SiO2与PVC之间存在强烈的化学作用;考察了该纳米复合材料的微观形貌、力学性能,结果发现纳米SiO2在PVC基体中分散良好,含量为0.3%时,材料的拉伸强度、杨氏模量和断裂伸长率有最佳值,提出了纳米SiO2与PVC相互作用的机理.
参考文献
| [1] | Qingguo Wang;Xiaohong Zhang;Yan Jin Hua Gui;Jinliang Qiao;Zhihai Song .Preparation and Properties of PVC Ternary Nanocomposites Containing Elastomeric Nanoscale Particles and Exfoliated Sodium-Montmorillonite[J].Macromolecular materials and engineering,2006(6):655-660. |
| [2] | Xie XL;Liu QX;Li RKY;Zhou XP;Zhang QX;Yu ZZ;Mai YW .Rheological and mechanical properties of PVC/CaCO3 nanocomposites prepared by in situ polymerization[J].Polymer: The International Journal for the Science and Technology of Polymers,2004(19):6665-6673. |
| [3] | 李小红,李庆华,张治军,党鸿辛,刘维民.一种可反应性纳米SiO2的制备和表征及其摩擦磨损性能研究[J].摩擦学学报,2005(06):499-503. |
| [4] | Li XH;Cao Z;Zhang ZJ;Dang HX .Surface-modification in situ of nano-SiO2 and its structure and tribological properties[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2006(22):7856-7861. |
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%