Water transport in an epoxy-phenolic coating

被引：44
作者：
Morsch, S. [1 ]
Lyon, S. [1 ]
Greensmith, P. [2 ]
Smith, S. D. [3 ]
Gibbon, S. R. [4 ]
机构：
[1] Univ Manchester, Sch Mat, Ctr Corros & Protect, Manchester M13 9PL, Lancs, England
[2] Univ Manchester, Sch Mat, Ctr Mat Sci, Manchester M13 9PL, Lancs, England
[3] Akzo Nobel Chem BV, NL-7400 AA Deventer, Netherlands
[4] Mao Nobel Supply Chain, Gateshead NE10 0JY, Tyne & Wear, England
来源：
PROGRESS IN ORGANIC COATINGS | 2015年 / 78卷
关键词：
Epoxy-phenolic; Water uptake; Infrared spectroscopy; FREE-VOLUME; MOLECULAR-INTERACTIONS; CORROSION PROTECTION; THERMAL-DEGRADATION; MOISTURE TRANSPORT; NANOVOID STRUCTURE; GLASS-TRANSITION; RESIN; ABSORPTION; DIFFUSION;
D O I：
10.1016/j.porgcoat.2014.08.006
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Thermoset coatings commonly rely on high cross-linking density to provide enhanced barrier properties. Hence it is surprising that for the industrial epoxy phenolic network investigated, equilibrium moisture uptake is found to increase with respect to cure time, i.e., with greater cross-linking. Molecular interactions between absorbed water and the resin are characterised using infrared spectroscopy, and water uptake is correlated to network polymer features such as polarity and free volume. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：293 / 299
页数：7
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