Investigation of fullerene C60 effect on properties of polymethylmethacrylate exposed to ionizing radiation

被引：13
|
作者：
Zhogova, KB
Davydov, IA
Punin, VT
Troitskii, BB
Domvachiev, GA
机构：
[1] All Russia Sci Res Inst Expt Phys, Russian Fed Nucl Ctr, Sarov 607190, Russia
[2] Russian Acad Sci, Rasuaev Inst Organomet Chem, Nizhnii Novgorod, Russia
来源：
EUROPEAN POLYMER JOURNAL | 2005年 / 41卷 / 06期
关键词：
polymethylmethacrylate; fullerene C-60; thermal; mechanical and optical properties;
D O I：
10.1016/j.eurpolymj.2005.01.010
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Effect of fullerene C-60 was investigated on thermal, mechanical and optical properties of polymethylmethacrylate (PMMA) under ionizing radiation. It was stated that fullerene C-60 behaves as an effective antirad with respect to PMMA. Fullerene C60 addition raises temperature of destruction for polymer subjected to electron radiation by 2025 ° C, lowers the rate from 4 to 4.5 times and increases the activation barrier for radiated PMMA destruction reaction. Fullerene C60 addition promotes improvement of strength properties of PMMA: for films containing C-60 addition and else subjected to electron radiation treatment a decrease in rupture strength is 10-15%, for samples containing no fullerene it equals ∼ 25%. Interaction of free radicals with fullerene at radiation treatment influences optical characteristics of PMMA films. © 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1260 / 1264
页数：5
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