The Effect of IR Radiation on Structurization of Butadiene-Nitrile Rubber

被引：3
|
作者：
Karpacheva, G. P. [1 ]
Litmanovich, A. D. [1 ]
Bondarenko, G. N. [1 ]
Zemtsov, L. M. [1 ]
Krentsel, L. B. [1 ]
机构：
[1] Russian Acad Sci, Topchiev Inst Petrochem Synth, Moscow 119991, Russia
来源：
POLYMER SCIENCE SERIES A | 2010年 / 52卷 / 08期
关键词：
POLYACRYLONITRILE;
D O I：
10.1134/S0965545X10080031
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 accelerated aging of butadiene-nitrile rubber (NBR) induced by IR radiation is studied. At 100 degrees C, intensive aging (the formation of imide and anhydride crosslinks) of NBR is observed in air and argon. The activity of aging under IR radiation is significantly higher than the heat aging. The IR radiation selectively activates nitrile groups without any chemical transformation in butadiene units of the rubber. On the basis of the data obtained, it is suggested that the use of IR radiation makes it possible to model processes occurring as a result of local temperature fluctuations during prolonged natural aging of NBR. Thus, the accelerated aging induced by IR irradiation at 100 degrees C can be recommended as an effective method for estimating structural instability of NBR during storage.
引用
收藏
页码：787 / 793
页数：7
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