OPTIMUM PREPARATION CONDITIONS OF AMIDOXIME HOLLOW FIBER SYNTHESIZED BY RADIATION-INDUCED GRAFTING

被引：41
|
作者：
SAITO, K [1 ]
YAMAGUCHI, T [1 ]
UEZU, K [1 ]
FURUSAKI, S [1 ]
SUGO, T [1 ]
OKAMOTO, J [1 ]
机构：
[1] JAPAN ATOM ENERGY RES INST,TAKASAKI RADIAT CHEM RES ESTAB,TAKASAKI,GUNMA 37012,JAPAN
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 1990年 / 39卷 / 10期
关键词：
Monomers--Polymerization - Polymerization--Radiation Effects;
D O I：
10.1002/app.1990.070391010
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The preparation process of amidoxime hollow fiber consists of three steps: (1) radiation‐induced graft polymerization of acrylonitrile (AN) onto porous hollow fiber (AN grafting), (2) chemical conversion of the cyano group into an amidoxime group (amidoximation), and (3) conditioning of the hollow fiber with alkaline solution (alkaline treatment). Systematic optimization of this preparation process was found to improve the adsorption rate. For the AN‐grafted hollow fiber having 130% degree of grafting, the optimum reaction was 1 h each for amidoximation and alkaline treatment, respectively. Also the change in the structure of the amidoxime hollow fiber with alkaline treatment was discussed based on measurements of water content, swelling and pore volume distribution, and observation of morphology of cross section by SEM. Copyright © 1990 John Wiley & Sons, Inc.
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收藏
页码：2153 / 2163
页数：11
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