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Proceedings Paper

A Comparative Study Of The Degradation Of Elastomeric Sealants In The Environment Of The Solar Collector
Author(s): Morris A. Mendelsohn; Russell M. Luck; Francis W. Navish
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Paper Abstract

Elastomers employed as gaskets and caulking compounds play an important role in maintaining the energy efficiency of solar collectors by reducing the accumulation of foreign material on the surfaces of the glazing and absorber. Collector efficiencies decrease considerably from the collection of dust and condensed pollutants, and from degradation products evolved from the polymeric components of the solar collector. The proper functioning of the sealants depends upon their resistance to environmental factors that include extremes of temperature, oxygen, ozone, water and ultraviolet radiation. This paper describes several of the methods of evaluation of the elastomeric polymers, and relates the degradation processes to the nature of the polymeric material. In addition to the outgassing studies, data are also presented on the effects on mechanical properties of the various sealants during exposure to thermal and hydrolytic aging conditions.

Paper Details

Date Published: 12 November 1987
PDF: 7 pages
Proc. SPIE 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI, (12 November 1987); doi: 10.1117/12.941912
Show Author Affiliations
Morris A. Mendelsohn, Westinghouse Research & Development Center (United States)
Russell M. Luck, Westinghouse Research & Development Center (United States)
Francis W. Navish, Westinghouse Research & Development Center (United States)


Published in SPIE Proceedings Vol. 0823:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI
Carl M. Lampert, Editor(s)

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