Modifications in the morphology of poly(styrene-co-divinylbenzenes) induced by gamma-ray irradiation

被引：2
|
作者：
Soukupova, Krasimira [1 ]
Sassi, Alessandro [2 ]
Jerabek, Karel [1 ]
机构：
[1] Acad Sci Czech Republic, Inst Chem Proc Fundamentals, CR-16502 Prague 6, Czech Republic
[2] Univ Padua, CNR, Ist Sci & Tecnol Mol, Dipartimento Proc Chim Ingn, I-35131 Padua, Italy
来源：
REACTIVE & FUNCTIONAL POLYMERS | 2010年 / 70卷 / 06期
关键词：
Gamma-ray irradiation; Post-polymerization treatment; Specific surface area; Polymer morphology; DIVINYLBENZENE COPOLYMERS; RESINS; RADIATION; POLYMERS; STYRENE; POLYSTYRENE; GENERATION; GEL;
D O I：
10.1016/j.reactfunctpolym.2010.02.010
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The possibility of increasing the apparent specific surface area of macroreticular styrenic polymers crosslinked to different extent by gamma-ray irradiation was investigated. In order to overcome the protective action of benzene rings and simultaneously minimize the negative effect of chain scission competing with the desired additional crosslinking, it was necessary to optimize both the irradiation dose and the content of divinylbenzene. The best conditions for the radiation-induced post-crosslinking of polymers were assessed on the basis of the resultant apparent BET surface area. Useful morphological changes both in the dry and swollen state were possible to be generated. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：361 / 365
页数：5
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