含阴离子官能团物质与蒙脱土的相互作用研究

摘要通过研究不同电荷状态的含阴离子官能团物质与蒙脱土(MMT)复合物的插层情况来研究阴离子官能团与MMT的相互作用,利用FT-IR、XRD和NMR等手段对反应产物进行表征,以确定阴离子官能团与MMT的作用机理和作用位点。试验结果表明,羧酸基团与MMT有很强的相互作用。羧酸基团与MMT发生作用的位点是(—COO-)上的羰基(—CO),它与MMT上的(—OH)或Al3+发生作用。

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	郝慧
	郑俊萍
	陈昌策
	姚康德

关键词：阴离子蒙脱土插层相互作用

Abstract： The mechanism of interaction between anions and MMT was studied by analyzing the different intercalation effect of organic anions matter in different state of charges distribution.In order to ascertain the mechanism and the sites of interaction between anions and MMT,a combined characterization technique of FT-IR,XRD and NMR were used.The results indicate that carboxyl group is strongly interacted with MMT.The interactive sites between carboxyl matter and MMT is the carbonyl group(—CO) of the carboxyl anion group((—COO~-)),which interacts with the aluminium hydroxyl group or the aluminium ion.

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Received 2009-01-15; published 2009-01-15

引用本文:

郝慧;郑俊萍;陈昌策;姚康德;.含阴离子官能团物质与蒙脱土的相互作用研究[J]. 化学工业与工程, 2009,26(1): 10-14

HAO Hui,ZHENG Jun-ping,CHEN Chang-ce,YAO Kang-de.Interaction Between Anions and MMT[J]. Chemcial Industry and Engineering, 2009,26(1): 10-14

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