DETERMINATION OF KINETIC AND THERMODYNAMIC PARAMETERS OF AZO-TYPE RADICAL POLYMERIZATION INITIATORS USING ISOTHERMAL DIFFERENTIAL SCANNING CALORIMETRY

被引:6
|
作者
BESSIERE, JM [1 ]
BOUTEVIN, B [1 ]
LOUBET, O [1 ]
机构
[1] ECOLE NATL SUPER CHIM MONTPELLIER,CNRS,URA 1193,CHIM APPL LAB,8 RUE ECOLE NORMALE,F-34053 MONTPELLIER 01,FRANCE
关键词
D O I
10.1016/0014-3057(94)90009-4
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A new method for the determination of kinetic parameters for thermal decomposition of initiators of polymerization by isothermal differential scanning calorimetry (DSC) is described. This method is mainly applied to the azo initiators which exhibit a phase transition in their decomposition range. First the procedure for AIBN, taken as model, is described. Then this method is applied to 4,4'azobis-(4-cyanopentanol) or ACP and to two synthesized initiators: an alpha, omega-azo disubstituted by phenyl groups and an alpha, omega-azo disubstituted by fluorinated groups.
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页码:813 / 820
页数:8
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