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Kinetics of emulsion polymerization of vinyl acetate by using a novel initiator
Author(s): 
Pages: 36-38,74
Year: Issue:  3
Journal: CHINA SYNTHETIC RESIN AND PLASTICS

Keyword:  乙酸乙烯酯偶氮二异丁脒低温乳液聚合动力学;
Abstract: 以十二烷基硫酸钠为乳化剂,采用偶氮二异(N-胺乙基)丁脒引发乙酸乙烯酯低温乳液聚合.考察了引发剂浓度、单体浓度、乳化剂浓度及反应温度对聚合反应速率的影响,测定了反应级数和聚合表观活化能.得到乙酸乙烯酯乳液聚合动力学关系式,该式与经典的乳液聚合动力学模型有较大偏差,聚合表观活化能为56.8 kJ/mol.
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