Migrability of PVC plasticizers

被引：128

作者：

Marcilla, A. ^{[1
]}

Garcia, S. ^{[1
]}

Garcia-Quesada, J. C. ^{[1
]}

机构：

[1] Univ Alicante, Dept Chem Engn, Alicante 03690, Spain

来源：

POLYMER TESTING | 2008年 / 27卷 / 02期

关键词：

PVC; plasticizer; migration;

D O I：

10.1016/j.polymertesting.2007.10.007

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The ability of different PVC plasticizers to migrate towards a polymer in contact with flexible PVC has been investigated. A procedure based on the monitoring of the plasticizer concentration by infrared spectroscopy has been employed. The mathematical model applied to experimental data has permitted the calculation of average diffusion coefficients and, hence, a comparison among the plasticizers studied (citrates, phthalates and adipates), independent of the geometry of the system employed. Under the test conditions and the probe polymer employed, phthalates seem to be the plasticizers with the lower migration, in contrast to adipates that give the highest migration levels. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：221 / 233

页数：13

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