摘要
本文利用聚苯乙烯与多聚甲醛、三氯化磷在氯化锌催化下,生成氯甲基化聚苯乙烯。氯甲基化聚苯乙烯与2—巯基—5—甲基—1,3,4—噻二唑(简称噻二唑)在有机碱存在下反应,生成具有螯合功能基的功能高分子.利用元素分析确定其氮含量为11.2%.对比噻二唑与功能高分子的红外光谱图,确定了其结构.该功能高分子与许多过渡金属离子如Ag+Cu+Cu+Fe3+及CO3+络合生成高分子金属络合物.因而,在环保上有望用于重金属离子的分离,也可用于贵金属离子的富集,具有潜在的应用价值.
A new polymer with chelation group has been prepared by reaction of 2-mercapto5-methyl-1, 3, 4-thiazole (Mttz) with chloromethylated polystyrene which was obtained by reaction of polystyrene with polyoxymethylene and phosphorus trichloride catalyzed by zinc chloride. The nitrogen content in the new polymer is 11. 2% obtained by elemental analyser. Its structure is characterized by comparing its IR spectrogram with that of Mttz. This functional polymer can react with many metal ions as Ag+, Cu2+, Cu+,Fe+3 and Co+3 to generate coordinate complexes. Therefore, it may be used in extracting or separating heavy metal ions in enviromental protection.
出处
《河北工业大学学报》
CAS
1997年第3期44-48,共5页
Journal of Hebei University of Technology
基金
校青年基金
关键词
功能高分子
高聚物
合成
螯合功能
表征
Functional polymer, Mttz, Polymer coordination compounds, Chloromethylation,Separation of metal ions