Polymerization kinetics of indene, methyl methacrylate and acrylonitrile and characterization of their terpolymer

被引:0
作者
Hala F. Naguib
Samia M. Mokhtar
Nesren Z. Khalil
Maher Z. Elsabee
机构
[1] Cairo University,Chemistry Department, Faculty of Science
[2] Ain-Shams University,Chemistry Department, College for Women
来源
Journal of Polymer Research | 2009年 / 16卷
关键词
Indene; Methyl methacrylate; Acrylonitrile; Terpolymers; Kinetics; Reactivity ratios; Activation energy; Thermogravimetric analyses;
D O I
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中图分类号
学科分类号
摘要
The free radical terpolymerization of indene (In), methyl methacrylate (MMA) and acrylonitrile (AN) has been investigated. The rate of polymerization of all the binary systems involved has been measured dilatometrically for the homogeneous polymerization. The reactivity ratios of the three binary systems were calculated and were found to be equal to 0.031 and 0.397 for In/AN copolymers and 0.02 and 3.82 for In/MMA copolymers and finally 0.152 and 1.20 for AN/MMA copolymers. The rate of terpolymerization in bulk has been measured as well as the relationship between the monomer mixture composition and the obtained terpolymer in order to construct the compositional triangle. Also the effect of initiator concentration on the rate of terpolymerization was investigated. The activation energy of terpolymerization was determined. The terpolymers were characterized by spectral and thermo-gravimetric analyses. The data indicates that polyindene improves the thermal stability of the prepared terpolymers.
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页码:693 / 702
页数:9
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