Radiation grafting of styrene onto polypropylene fibres by a 10 MeV electron beam

被引：68
作者：
Vahdat, A.
Bahrami, Hajir [1 ]
Ansari, N.
Ziaie, F.
机构：
[1] Amirkabir Univ Technol, Dept Text Engn, Tehran, Iran
[2] Yazd Radiat Proc Ctr, Yazd, Iran
来源：
RADIATION PHYSICS AND CHEMISTRY | 2007年 / 76卷 / 05期
关键词：
radiation grafting; electron beam; polypropylene; styrene; sulfonation; mechanical properties;
D O I：
10.1016/j.radphyschem.2006.05.009
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The radiation-induced graft copolymerization is an effective method for modification of the chemical and physical properties of polypropylene. Graft copolymerization of styrene onto polypropylene fibers has been studied by simultaneous irradiation method, using a 10 MeV electron beam. Samples were irradiated in an environment of nitrogen gas. The effects of radiation dose and styrene concentration in methanol, on the grafting yield were investigated. The effects of polyfunctional monomer, i.e., trimethylopropane trimethacrylate (TMPTMA) and acid (sulfuric acid) on the grafting yield were also examined. The grafted samples were then sulfonated and allowed to react with solution of a basic dye. The samples were characterized by mechanical properties and thermal stability. The mechanical properties of the radiated samples were reduced and the grafted samples had lower mechanical properties. (C) 2006 Elsevier Ltd. All rights reserved.
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收藏
页码：787 / 793
页数：7
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