On the Weathering of Thin Plastic Films

[+] Author and Article Information
H. Cheng, R. B. Bannerot

Department of Mechanical Engineering, University of Houston, Houston, Texas 77004

J. Sol. Energy Eng 105(2), 149-156 (May 01, 1983) (8 pages) doi:10.1115/1.3266358 History: Online November 11, 2009


A program is described for the controlled degradation and evaluation of thin plastic film samples in a set of parallel (in time) exposures. The intent of the various exposures is to separate the effects of identifiable degradation mechanisms associated with each material’s use as a solar collector cover. The mechanisms considered were those due to: (i) environment less solar irradiation (chemical, abrasion, humidity, etc.); (ii) environment including solar irradiation; (iii) thermal effects and (iv) mechanical effects. The procedures described in the program are illustrated by presenting the details for the evaluation of two commonly used plastic films.

Copyright © 1983 by ASME
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