The effect of IR radiation on structurization of butadiene-nitrile rubber

被引：0
|
作者：
G. P. Karpacheva
A. D. Litmanovich
G. N. Bondarenko
L. M. Zemtsov
L. B. Krentsel’
机构：
[1] Russian Academy of Sciences,Topchiev Institute of Petrochemical Synthesis
来源：
Polymer Science Series A | 2010年 / 52卷
关键词：
Polymer Science Series; Imide; Accelerate Aging; Nitrile Group; Anionic Polymerization;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The accelerated aging of butadiene-nitrile rubber (NBR) induced by IR radiation is studied. At 100°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°C can be recommended as an effective method for estimating structural instability of NBR during storage.
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页码：787 / 793
页数：6
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