Durability of Polymeric Glazing and Absorber Materials

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The Solar Heating and Lighting Program has set the goal of reducing the cost of solar water heating systems by at least 50%. An attractive approach to such large cost reduction is to replace glass and metal parts with less-expensive, lighter-weight, more-integrated polymeric components. The key challenge with polymers is to maintain performance and assure requisite durability for extended lifetimes. The objective of this task is to quantify lifetimes through measurement of the optical and mechanical stability of candidate polymeric glazing and absorber materials. Polycarbonate sheet glazings, as proposed by two industry partners, have been tested for resistance to UV ... continued below

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5 p.

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Jorgensen, G.; Terwilliger, K.; Bingham, C. & Milbourne, M. January 1, 2005.

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Description

The Solar Heating and Lighting Program has set the goal of reducing the cost of solar water heating systems by at least 50%. An attractive approach to such large cost reduction is to replace glass and metal parts with less-expensive, lighter-weight, more-integrated polymeric components. The key challenge with polymers is to maintain performance and assure requisite durability for extended lifetimes. The objective of this task is to quantify lifetimes through measurement of the optical and mechanical stability of candidate polymeric glazing and absorber materials. Polycarbonate sheet glazings, as proposed by two industry partners, have been tested for resistance to UV radiation with three complementary methods. Incorporation of a specific 2-mil thick UV-absorbing screening layer results in glazing lifetimes of at least 15 years; improved screens promise even longer lifetimes. Proposed absorber materials were tested for creep and embrittlement under high temperature, and appear adequate for planned ICS absorbers.

Physical Description

5 p.

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  • Related Information: Presented at the 2004 DOE Solar Energy Technologies Program Review Meeting, 25-28 October 2004, Denver, Colorado. Also included in the proceedings available on CD-ROM (DOE/GO-102005-2067; NREL/CD-520-37140)

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  • Report No.: NREL/CP-520-37041
  • Grant Number: AC36-99-GO10337
  • Office of Scientific & Technical Information Report Number: 860835
  • Archival Resource Key: ark:/67531/metadc777137

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 2005

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • April 6, 2017, 12:36 p.m.

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Jorgensen, G.; Terwilliger, K.; Bingham, C. & Milbourne, M. Durability of Polymeric Glazing and Absorber Materials, article, January 1, 2005; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc777137/: accessed August 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.