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二苯甲烷二异氰酸酯mdi聚合反应动力学研究
张琴花; 李会泉; 柳海涛
2011
Source Publication化学学报
ISSN0567-7351
Volume69Issue:6Pages:605
AbstractThe polymerization processes of methylene diphenyl diisocyanate (MDI) had been studied in flow atmosphere of high purity N(2) using TG-DSC-DTG techniques. The kinetic parameters of the polymerization process were calculated through the Flynn-Wall-Ozawa method and the polymerization raechanism of MDI was also studied with the Satava-Sestak and Coats-Redfern methods. The results indicated that: the process calculated could be attributed to the mechanism of random nucleation and subsequently growth, with the mechanism function being G(alpha)=-In(1-alpha)(1/2). The activation energy and pre-exponential factor were E=58.42 kJ/mol and A=5006 min(-1), the kinetic equation may be expressed as: -In(1-alpha)(1/2)=5006 Xexp(-58.42X1000)/8.314XT)t.
Language英语
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/32032
Collection中国科学院过程工程研究所
Affiliation中国科学院过程工程研究所
First Author Affilication中国科学院过程工程研究所
Recommended Citation
GB/T 7714
张琴花,李会泉,柳海涛. 二苯甲烷二异氰酸酯mdi聚合反应动力学研究[J]. 化学学报,2011,69(6):605.
APA 张琴花,李会泉,&柳海涛.(2011).二苯甲烷二异氰酸酯mdi聚合反应动力学研究.化学学报,69(6),605.
MLA 张琴花,et al."二苯甲烷二异氰酸酯mdi聚合反应动力学研究".化学学报 69.6(2011):605.
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