Silver-polymer film development

B.A. Benson

Energy, 1987, vol. 12, issue 3, 203-207

Abstract: A highly specular silver—PMMA solar reflecting film, 3M Brand ECP-300, is discussed with respect to construction, accelerated and natural weathering properties, application methods and initial solar concentrating collector applications. ECP-300 film has been dry laminated to various substrates and tested for specular reflectance properties before and after accelerated aging tests. Glass and coil coated aluminum substrates have demonstrated excellent specular reflectance at 8.4 mrad and good QUV††The Q-Panel Company, Cleveland, Ohio. accelerated aging resistance. ECP-300 solar reflecting film laminated to acid-etched aluminum substrate has been weathered in Arizona, Florida and Minnesota for 1 yr. The Arizona and Florida panels retained 93% of their original reflectance and the Minnesota panel had a reflectance retention greater than 98% after 1-yr aging. Initial industrial applications of ECP-300 film have been in solar concentrating parabolic trough and dish collectors.

Date: 1987
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:12:y:1987:i:3:p:203-207

DOI: 10.1016/0360-5442(87)90078-8

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