A Comparative Study Of The Degradation Of Elastomeric Sealants In The Environment Of The Solar Collector

Morris A. Mendelsohn; Russell M. Luck; Francis W. Navish Jr.

doi:10.1117/12.941912

12 November 1987 A Comparative Study Of The Degradation Of Elastomeric Sealants In The Environment Of The Solar Collector

Morris A. Mendelsohn, Russell M. Luck, Francis W. Navish Jr.

Author Affiliations +

Proceedings Volume 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI; (1987) https://doi.org/10.1117/12.941912
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

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.

Citation Download Citation

Morris A. Mendelsohn, Russell M. Luck, and Francis W. Navish Jr. "A Comparative Study Of The Degradation Of Elastomeric Sealants In The Environment Of The Solar Collector", Proc. SPIE 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI, (12 November 1987); https://doi.org/10.1117/12.941912

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