用示差扫描量热法(DSC)考察了聚丙烯(PP)和聚丙烯/接枝物/有机蒙脱土复合材料(PP/PP-g-MAH/Org-MMT)的非等温结晶过程. 用Avrami方程和Ozawa方程对上述体系非等温结晶过程进行分析. t1/2、Zc、F(T)、Tp等参数表明,降温速率相同时,PP/PP-g-MAH/Org-MMT复合体系的结晶速率大于PP的结晶速率,前者的结晶温度明显高于后者. Kissinger方法的计算结果表明,添加有机蒙脱土可使PP的结晶活化能增大,添加PP-g-MAH可使PP/Org-MMT复合体系的结晶活化能减小,与PP的结晶活化能相近.
参考文献
| [1] | Kawasumi M,Hadegawa N. Macromolecules[J],1997,30:6 333 |
| [2] | Hambir S,Bulakh N. J Polym Sci,Part B:Polym Phys[J],2001,39:446 |
| [3] | Gilman J W,Jackson C L. Chem Mater[J],2000,12:1 866 |
| [4] | Kato K,Usukl A. J Appl Polym Sci[J],1997,66:1 781 |
| [5] | LIU Xiao-Hui(刘晓辉),FAN Jia-Qi(范家起),QI Zong-Neng(漆宗能). Acta Polym Sin(高分子学报)[J],2000,5:563 |
| [6] | XU Wei-Bing(徐卫兵),GE Ming-Liang(戈明亮),HE Ping-Sheng(何平笙). China Plast(中国塑料)[J],2000,14(11):27 |
| [7] | Xu W B,He P S. J Appl Polym Sci[J],2001,80:304 |
| [8] | Xu W B,Ge M L,He P S. J Appl Polym Sci[J],2001,82:2 281 |
| [9] | XU Wei-Bing(徐卫兵),GE Ming-Liang(戈明亮),HE Ping-Sheng(何平笙). Chin J Appl Chem(应用化学)[J],2001,18:721 |
| [10] | XU Wei-Bing(徐卫兵),GE Ming-Liang(戈明亮),HE Ping-Sheng (何平笙). Acta Polym Sin(高分子学报)[J],2001,5:584 |
| [11] | Avrami M J. Chem Phys[J],1941,9:177 |
| [12] | Jeziorny A. Polymer[J],1978,19:1 142 |
| [13] | XU Wei-Bing(徐卫兵),CAI Qiong-Ying (蔡琼英). J Hefei Univ Tech(Nat Sci)(合肥工业大学学报(自然科学))[J],1992,15(suppl):128 |
| [14] | LIANG Guo-Dong(梁国栋),XU Wei-Bing(徐卫兵). Mod Plast Proc Appl(现代塑料加工应用)[J],2002,1:5 |
| [15] | Liu T X,Mo Z S,Wang F S, et al. Polym Eng Sci,1997,37:30 |
| [16] | Ozawa T. Polymer[J],1971,12:150 |
| [17] | Kissinger H E. J Res Nas Natl Stds[J],1956,57:217 |
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%