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K2S2O8-R2引发丙烯酰胺水溶液聚合的初期反应动力学研究
THE STUDY ON KINETIC BEHAVIOUR OF POLYMERIZATION OF AM AQUEOUS SOLUTION ON INITIAL STAGE FOR K2S2O8-R2
【摘要】 本文就 K2S2O5—R2氧化还原引发体系对丙烯酰胺(AM)水溶液聚合的初期反应动力学行为进行了研究,得出动力学方程式。并利用 Arrhanius 方程测定了表观活化能。所得动力学方程为:Rp=k[ox]0.9[rdd]0.6[AM]2.1式中:Rp——聚合初期反应速率(mol/l·min)[ox]——氧化剂浓度(mol/l)[red]——还原剂浓度(mol/l)[AM]——AM 浓度(mol/l)k——速率常数所得活化能为:E=17.4(kcal/mol)
【Abstract】 This paper studied kinetic behaviour of AM aqueous solution poly- merization on initial stage for K2S2O8—R2 redox initation system.The kinetic equation was given.And the apparent activation energy was calculated by the Arrhenius equation. The kinetic equation is Rp=k[ox]0.9[red]0.6[AM]2.1 where Rp——reaction rate of polymerization on initial stage(mol/1·min) [ox]——concentration of oxidant(mol/l) [red]——concentration of reductant(tool/l) [AM]——concentration of AM(tool/l) k——rate constant The activaton energy is E=17.4(kcal/mol)
【Key words】 Aqueous solusion polymerization; Reaction kinetic equation; Activation energy; Polyacrylamide; Redox initation system;
- 【文献出处】 天津理工学院学报 , 编辑部邮箱 ,1988年01期
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