采用不同的升温速率,用Kissinger法研究了聚酯(PET)和侧基舍磷共聚酯(FR-PET)在氮气气氛中热降解动力学,采用时-温等效原理对其热稳定性进行了深入研究,等温热失重法和Kissinger法将寿命方程及动力学参数联系起来,确定了它们之间的关系.结果表明,阻燃剂的引入降低了PET整个热降解过程的平均活化能,并改变了反应级数,但使PET的热稳定性有所提高.两种方法所确定的寿命方程较为接近,Kissinger法更为简便、迅速,为材料寿命的预测提供了捷径.
参考文献
| [1] | Chen, DQ;Wang, YZ;Hu, XP;Wang, DY;Qu, MH;Yang, B .Flame-retardant and anti-dripping effects of a novel char-forming flame retardant for the treatment of poly(ethylene terephthalate) fabrics[J].Polymer Degradation and Stability,2005(2):349-356. |
| [2] | De-Yi Wang;Xin-Guo Ge;Yu-Zhong Wang;Chuan Wang;Ming-Hai Qu .A Novel Phosphorus-Containing Poly(ethylene terephthalate)Nanocomposite with Both Flame Retardancy and Anti-Dripping Effects[J].Macromolecular materials and engineering,2006(6):638-645. |
| [3] | 牛明军,曹国华,王雅静,李新法,陈金周.阻燃PET的热降解动力学[J].高分子材料科学与工程,2004(05):174-177. |
| [4] | Hamciuc C;Vlad-Bubulac T;Petreus O;Lisa G .Kinetics of thermal degradation in non-isothermal conditions of some phosphorus-containing polyesters and polyesterimides[J].European Polymer Journal,2007(3):980-988. |
| [5] | Zhao H.;Wang YZ.;Wang DY.;Wu B.;Chen DQ.;Wang XL.;Yang KK. .Kinetics of thermal degradation of flame retardant copolyesters containing phosphorus linked pendent groups[J].Polymer Degradation and Stability,2003(1):135-140. |
| [6] | Wang XS.;Yan DY.;Li XG. .Thermal decomposition kinetics of poly(trimethylene terephthalate)[J].Polymer Degradation and Stability,2000(3):361-372. |
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%