The measurement of the diffusion coefficient of water in paints and polymers from their swelling by using an interferometric technique

被引:17
作者
Goossens, ELJ [1 ]
van der Zanden, AJJ [1 ]
Wijen, HLM [1 ]
van der Spoel, WH [1 ]
机构
[1] Eindhoven Univ Technol, Fac Architecture Bldg & Planning, NL-5600 MB Eindhoven, Netherlands
关键词
paint; diffusion coefficient; interferometry; polymers; mass transfer;
D O I
10.1016/S0300-9440(03)00121-8
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
An interferometric technique has been used to measure the swelling of a paint film caused by its absorption of water vapour. The diffusion coefficient of water in paint is obtained from the time evolution of the thickness of the paint film, when the paint film is subjected to an almost stepwise change in the relative humidity of the surrounding air. The measurements were possible in the range of the relative humidity of the air between 50 and 90%. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:112 / 117
页数:6
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