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Inclusion Complex of β-cyclodextrin with CTAB in Aqueous Solution
Xiao-ming Chen*
Author NameAffiliationE-mail
Xiao-ming Chen* School of Materials & Chemical Engineering, Anhui University of Architecture, Hefei 230601, ChinaAnhui Key Laboratory of Advanced Building Materials, Hefei 230601, China chenxmyn@hotmail.com 
Abstract:
Cetyltrimethylammonium bromide (CTAB)/potassium bromide (KBr) micellar system has been used as a viscosity probe to study the inclusion complexation between β-cyclodextrin (β-CD) and CTAB. Viscosity measurements show that the inclusion complexation between β-CD and CTAB may cause the breakdown of CTAB/KBr wormlike micelles, resulting in the decrease of the solution viscosity. The viscosity minimum at Cβ-CD/CCTAB=2 indicate the molecular ratio of host molecule to guest molecule is 2:1 in the β-CD/CTAB inclusion complex.
Key words:  Cetyltrimethylammonium bromide, KBr, β-cyclodextrin, Viscosity
FundProject:
利用CTAB/KBr胶束体系为探针研究β-环糊精与CTAB的包合作用
陈晓明*
摘要:
利用十六烷基三甲基溴化铵(CTAB)/溴化钾(KBr)胶束体系为粘度探针研究了β-环糊精与CTAB的包合作用. 发现在CTAB/KBr水溶液中添加β-环糊精时溶液相对粘度减少,归因于β-环糊精与CTAB的包合作用使CTAB/KBr胶束体系解散,而根据粘度在β-环糊精与CTAB的浓度比为2时达到最小值,则可计算β-环糊精与CTAB主客体包合比为2:1.
关键词:  十六烷基三甲基溴化铵,溴化钾,β-环糊精,粘度
DOI:10.1088/1674-0068/24/04/484-488
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