磷钨钒杂多酸对甲基丙烯酸甲酯的阻聚作用

高等学校化学学报 ›› 2010, Vol. 31 ›› Issue (9): 1697.

磷钨钒杂多酸对甲基丙烯酸甲酯的阻聚作用

尹彦冰^1,2, 杨玉林¹, 朱杨青², 范瑞清¹, 许钱²

1. 哈尔滨工业大学理学院应用化学系, 哈尔滨 150001;
2. 齐齐哈尔大学化学与化学工程学院, 齐齐哈尔 161006

收稿日期:2010-04-05 出版日期:2010-09-10 发布日期:2010-09-10
通讯作者: 尹彦冰, 男, 博士, 副教授, 主要从事有机合成及催化研究. Email: yinyanbing70@163.com
基金资助:
国家自然科学基金(批准号: 20771030, 20671025)资助.

Inhibition Effects of Vanadium Substituted Heteropoly Acid(W, P) on Methyl Methacrylate

YIN Yan-Bing^1,2*, YANG Yu-Lin¹, ZHU Yang-Qing², FAN Rui-Qing¹, XU Qian²

1. Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China;
2. Department of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, China

Received:2010-04-05 Online:2010-09-10 Published:2010-09-10
Contact: YIN Yan-Bing. Email: yinyanbing70@163.com
Supported by:
国家自然科学基金(批准号: 20771030, 20671025)资助.

摘要/Abstract

摘要： 利用DSC法测定了Dawson型和Keggin型磷钨钒杂多酸对甲基丙烯酸甲酯的阻聚效果. 研究结果表明, 对同一种杂多酸而言, 随着杂多酸样品用量的不断增加, 反应的速率常数不断减小, 阻聚性能提高. 对于不同的杂多酸而言, 随着杂多酸中钨原子与钒原子数目比例的降低, 反应的数率常数随之减小, 说明含钒原子数越多的杂多酸阻聚性能越好. 总体上, Dawson型磷钨钒杂多酸的阻聚性能要优于Keggin型的.

关键词: 磷钨钒杂多酸, Dawson型, Keggin型, 阻聚性能

Abstract: The inhibition effects of vanadium substituted Dawson- and Keggin-type heteropoly acids(W, P) on the polymerization of methyl methacrylate(MMA) were investigated by differential scanning calorimetry(DSC). The results show that in terms of the same heteropoly acid, the rate of polymerization of MMA decreases continuously and the inhibition effect of heteropoly acid is better with increasing the amount of heteropoly acid; in terms of the different heteropoly acid, the rate of polymerization of MMA decreases continuously with the increasing of Vanadium atom number, that is to say, the more containing Vanadium atom, the better inhibition effect of heteropoly acid. On the whole, the inhibition effects of Dawson-type heteropoly acid are better than Keggin-type heteropoly acid.

TrendMD:

尹彦冰, 杨玉林, 朱杨青, 范瑞清, 许钱. 磷钨钒杂多酸对甲基丙烯酸甲酯的阻聚作用. 高等学校化学学报, 2010, 31(9): 1697.

YIN Yan-Bing*, YANG Yu-Lin, ZHU Yang-Qing, FAN Rui-Qing, XU Qian. Inhibition Effects of Vanadium Substituted Heteropoly Acid(W, P) on Methyl Methacrylate. Chem. J. Chinese Universities, 2010, 31(9): 1697.

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