首页 | 本学科首页   官方微博 | 高级检索  
     

硼酸根与甲阶酚醛树脂中酚羟基和邻位羟甲基的螯合反应
引用本文:谭晓明,尚永华,李焰,黄乃瑜. 硼酸根与甲阶酚醛树脂中酚羟基和邻位羟甲基的螯合反应[J]. 离子交换与吸附, 2002, 18(1): 69-75
作者姓名:谭晓明  尚永华  李焰  黄乃瑜
作者单位:华中科技大学材料科学与工程学院,武汉,430074;华中科技大学化学系,武汉,430074
摘    要:通过溶液pH值的测定和红外光谱分析,研究硼砂与甲阶酚醛树脂水溶液的反应表明:在水溶液中硼砂能与甲阶酚醛树脂很快地发生反应;硼砂水解产生的B/(OH)4^-,以定量的方式与树脂中酚羟基和邻位羟甲基以共价配键相结合,形成具有四面体结构的螯合物,并放出H^ 离子。

关 键 词:甲阶酚醛树脂中羟甲基  硼酸根  螯合反应  H+离子
文章编号:1001-5493(2002)01-0069-07
修稿时间:2001-06-04

CHELATE REACTION BETWEEN BORATE IONS AND PHENOL HYDROXYL GROUP, ORTHO-POSITION HYDROXYMETHYL GROUP OF PHENOL-FORMALDEHYDE RESOL RESIN
TAN Xiaoming SHANG Yonghua LI Yan HUANG Naiyu. CHELATE REACTION BETWEEN BORATE IONS AND PHENOL HYDROXYL GROUP, ORTHO-POSITION HYDROXYMETHYL GROUP OF PHENOL-FORMALDEHYDE RESOL RESIN[J]. Ion Exchange and Adsorption, 2002, 18(1): 69-75
Authors:TAN Xiaoming SHANG Yonghua LI Yan HUANG Naiyu
Affiliation:TAN Xiaoming1 SHANG Yonghua2 LI Yan2 HUANG Naiyu1 1 Department of Material,Huazhong University of Science and Technology 2 Department of Chemistry,Huazhong University of Science and Technology Wuhan,430074,P. R. of Chian
Abstract:The chelate reaction between borate ions and resol phenol-formaldehyde resin was studied by measurement the pH of the solution, the infrared spectroscopy. The results show that the reaction proceed rapidly and completely in proportion. The reaction takes place in phenol hydroxyl groups and hydroxymethyl groups on the aromatic ring of the resin, and forms the coordinate bond between boron atoms of borate ions and oxygen atoms on the hydroxyl groups. The reaction can produce hydrogen ions and bring about the change in the pH of the resin solution.
Keywords:Phenol-formaldehyde resin   Hydroxymethyl groups   borate ions   Chelate reaction   Hydrogen ions.
本文献已被 CNKI 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号