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研究了钒(V)—硫脲氧化还原体系在硝酸溶液中引发丙烯腈的聚合反应.表观聚合速度是:R_p=2.80×10~5e~(-14000/RJ)[AN]~(2.2)[HNO_3]~(0102)[V~(5+)~(0～1/3)[TU]~(0～4/3),实验结果表明钒(V)和硫脲产生引发种是一个相当复杂的过程。
The polymerization of acrylonitrile induced by vanadium (V) -thiourea redox system in nitric acid solution was studied.The apparent polymerization rate is: Rp = 2.80 × 10-5e ~ (-14000 / RJ) [AN] ~ (2.2) The experimental results show that the initiating species of vanadium (V) and thiourea are equivalent to each other [VNO] [0 ~ 1/3] [TU] ~ (0 ~ 4/3) Complex process.