FILMS MINCES DE CRISTAUX LIQUIDES
1979
First we recall some experimental results about Liquid Crystal structure at the inter- faces and in thin films. Then this paper examines essentially the experimental determination and the analysis of disjoining pressures isotherms of wetting films. Solid surfaces treated to impose planar or homeotropic anchorages let to determine the isotherms for distorded or undistorded thin films of some liquid crystals. Elastic or non elastic structural terms in the disjoining pressure are found ; the isotherms discussion uses the anchorage energy at the free surface.
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