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Synthesis and Dye Adsorptivity of β-Cyclodextrin Polymer with a Novel Tricarboxylic Acid as Crosslinking Agent
Author(s): 
Pages: 210-215
Year: Issue:  2
Journal: Petrochemical Technology

Keyword:  diethylenetriamine maleamic acidcrosslinked β-cyclodextrin polymeradsorptionbasic fuchsinmethylene blue;
Abstract: 以二乙烯三胺和马来酸酐为单体合成了马来酰二乙烯三胺酸(Tri-acid),并以Tri-acid为交联剂与β-环糊精(β-CD)反应得β-CD/Tri-acid交联聚合物(PCD-tri).用IR,1H NMR,TG等方法分析了PCD-tri的结构,研究了PCD-tri对碱性品红(BF)和亚甲基蓝(MB)染料的吸附性能.实验结果表明,合成PCD-tri适宜的投料比为∶n(β-CD)∶n(Tri-acid)=1∶20.PCD-tri对BF染料适宜的吸附条件为:p(BF) =300 mg/L、吸附时间240 min、溶液pH=6.34,在该条件下,PCD-tri对BF染料的饱和吸附量为94.17 mg/g;对MB染料适宜的吸附条件为:ρ(MB) =225 mg/L、吸附时间300 min、溶液pH=6.00,在该条件下,PCD-tri对MB染料的饱和吸附量为82.97 mg/g.
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