IR spectroscopy study of plasticizer migration from poly(vinyl chloride)-based compositions

被引：0
|
作者：
Lirova, BI [1 ]
Lyutikova, EA [1 ]
Mel'nik, AI [1 ]
Pyzh'yanova, LG [1 ]
机构：
[1] Ural State Univ, Ekaterinburg 620083, Russia
来源：
POLYMER SCIENCE SERIES B | 2002年 / 44卷 / 1-2期
关键词：
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
An IR spectroscopy technique was developed to study the plasticizer migration from polymer compositions to the air environment. The applicability of the method was exemplified for filled PVC compositions plasticized with di-n-butyl phthalate. Values for the effective diffusion coefficient D of the plasticizer were calculated from the spectroscopic data. An increase in the chalk content in a PVC composition leads to a monotonic increase in D, whereas kaolin-filled compositions exhibit a more complex behavior. The observed pattern of changes in D with varying the filler content was correlated with the competing interaction of components in the system.
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页码：45 / 49
页数：5
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