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聚丙烯无纺布辐射接枝AN/AI制备钯离子螯合吸附材料的研究
Preparation of adsorbent for palladium ions by grafting of acrylonitrile and itaconic acid onto polypropylene nonwoven fabrics
【Author】 ZU Jian-hua,YAN Feng,LUO Wen-yun,XIA Min (Shanghai Applied Radiation Institute,Shanghai University,Shanghai 200444,China)
【机构】 上海大学射线应用研究所;
【摘要】 本文选择聚丙烯无纺布(PP)作为基体,通过加速器电子束引发预辐照接枝的方法,在PP上接枝丙烯腈(AN)和衣康酸(IA)二元单体,详细研究了单体配比和阻聚剂用量对接枝率的影响规律,从而确定接枝反应最佳条件。然后接枝共聚物与乙二胺(EDA)或苯肼(PH)反应,制备含氨基螯合基团的吸附剂,具体考察了溶液pH值、金属离子起始浓度对Pd2+吸附性能的影响。
【Abstract】 A new chelating fabrics are synthesized by radiation induced grafting of acrylonitrile(AN) and itaconic acid(IA) onto polypropylene nonwoven fabrics(PP fabrics) and subsequent conversion of cyano and carboxyl to an imine by reaction with ethylene diimine(EDA) or phenylhydrazine(PH).The effects of graft polymerization conditions such as Mohr’s salt concentration and co-monomer composition on grafting were investigated.At last,the optimum grafting and adsorption conditions were established.
【Key words】 polypropylene; radiation grafting; amination; palladium ions;
- 【会议录名称】 中国核科学技术进展报告——中国核学会2009年学术年会论文集(第一卷·第8册)
- 【会议名称】“创新——核科学技术发展的不竭源泉”——中国核学会2009年学术年会
- 【会议时间】2009-11-18
- 【会议地点】中国北京
- 【分类号】TS195.5
- 【主办单位】中国核学会