用原位动态FT-IR、TG、热裂解-FT-IR、GC-MS考察了PC样品的热行为,分析了其热分解产物的组成.结果表明,PC初始分解温度在350 ℃左右,主链断裂温度在470 ℃左右,PC样品裂解的主要产物为苯酚、对甲基酚、对乙基酚、对异丙基酚及双酚A,溶液法合成PC时因用的封端剂不同,裂解产物稍有不同,同时阐述了聚碳酸酯的热分解机理.
参考文献
[1] | Foti S;Giuffrida M;Manavigna P et al.[J].Journal of Polymer Science Part A:Polymer Chemistry,1983,21:1567. |
[2] | Montaudo G;Puglisi C.in Developments in Polymer Degradation Vol. 7 ed. Grassie N[J].Elsevire Applied Science London,1987:35. |
[3] | McNeill I C;Rineon A .[J].Polymer Degradation and Stability,1991,3:163-180. |
[4] | Lee L H .[J].Journal of Polymer Science,1964,2:2859. |
[5] | Davis A;Golden J H .[J].Journal of Macromolecular Science:Reviews in Macromolecular Chemistry,1968,C3:49. |
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%