Non-isothermal kinetics of free-radical polymerization of 2,2-dinitro-1-butyl acrylate

被引：1
|
作者：
Du, S. H. [1 ]
Zhang, G. Z. [1 ]
Li, H. H. [1 ]
Wang, P. [1 ]
Wang, X. C. [2 ]
机构：
[1] Beijing Inst Technol, Sch Chem Engn & Environm, Beijing 100081, Peoples R China
[2] China Acad Engn Phys, Inst Chem Mat, Mianyang 621900, Peoples R China
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2009年 / 95卷 / 02期
关键词：
2,2-dinitro-1-butyl acrylate; DSC; free-radical polymerization; kinetics; THERMOGRAVIMETRIC DATA; METHACRYLATES; CRYSTALLIZATION;
D O I：
10.1007/s10973-008-9253-2
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The free-radical bulk polymerization of 2,2-dinitro-1-butyl-acrylate (DNBA) in the presence of 2,2'-azobisisobutyronitrile (AIBN) as the initiator was investigated by DSC in the non-isothermal mode. Kissinger and Ozawa methods were applied to determine the activation energy (E (a)) and the reaction order of free-radical polymerization. The results showed that the temperature of exothermic polymerization peaks increased with increasing the heating rate. The reaction order of non-isothermal polymerization of DNBA in the presence of AIBN is approximately 1. The average activation energy (92.91 +/- 1.88 kJ mol (-1)) obtained was smaller slightly than the value of E (a)=96.82 kJ mol(-1) found with the Barrett method.
引用
收藏
页码：427 / 431
页数：5
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