铝、铁聚合机理初探  

A PRELIMINARY STUDY ON POLYMERIZATION MECHANISM OF Al^(3+) AND Fe^(3+)

作　　者：孙根行[1,2] 沈一丁[3] 苏鹏娟[2] 程飞[2] 

机构地区：[1]天津科技大学材料科学与化学工程学院,天津300457 [2]陕西科技大学废水资源化研究所,西安710021 [3]陕西科技大学化学与工程学院,西安710021

出　　处：《环境化学》2010年第4期599-603,共5页Environmental Chemistry

基　　金：温州市科技计划项目(H20080020)

摘　　要：向聚合氯化铁预聚体中缓慢加入Al3+离子和碱化剂制备铝、铁共聚物(CPAF);红外图谱和27Al核磁共振图谱解析、XRD相结构分析说明Al3+、Fe3+离子进行了有效的共聚;聚集态形貌特征表明所制备的CPAF集中了聚合氯化铝(PAC)和聚合氯化铁(PFC)的优势形态,即聚集体细长,规整,尺寸较大且均匀;单分子分布形态的粒径测定结果表明,聚合度的大小顺序为:PAC>CPAF>PFC.The co-polymeric aluminum-ferric （CPAF） has been synthesized by means of adding slowly Al^3＋ ions and sodium carbonate to pre-poly ferric chloride. The spectral analysis results of IR,27Al NMR and XRD of CPAF indicate that the copolymerization of Al3＋and Fe^3＋ took place efficiently,and the microscopic images show that the morphology of CPAF possesses the advantages sape of both poly ferric chloride （PFC） and poly aluminum chloride （PAC）,which is long,narrow,uniform,and large sized. The size distribution of PFC,PAC and CPAF indicates that the order of polymerization degree of products is PACCPAFPFC.

关 键 词：铝离子 铁离子 聚合机理 无机高分子 

分 类 号：X13[环境科学与工程—环境科学]