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    Author(s): Nicole M. Stark
    Date: 2007
    Source: Proceedings : 3rd Wood Fibre Polymer Composites International Symposium : Innovative Sustainable Materials Applied to Building and Furniture : March 26-27, 2007 ... Bordeaux, France. [S.l. : s.n.], 2007: 10 pages.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (639 KB)

    Description

    During weathering, wood-plastic composites (WPCs) can fade and lose stiffness and strength. Weathering variables that induce these changes include exposure to UV light and water. Each variable degrades WPCs independently, but can also act synergistically. Recent efforts have highlighted the need to understand how WPCs weather, and to develop schemes for protection. The first plan of attack is often to adapt photostabilizers currently used to protect polyolefins in WPCs. Another effective option is to improve the surface of the WPCs by changing manufacturing methods and/or conditions. This paper identifies three main factors that influence WPC weathering; photostabilization, processing conditions, and weathering variables. The effect of each factor is discussed, and an example presented in detail.

    Publication Notes

    • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Stark, Nicole M. 2007. Considerations in the weathering of wood-plastic composites. Proceedings : 3rd Wood Fibre Polymer Composites International Symposium : Innovative Sustainable Materials Applied to Building and Furniture : March 26-27, 2007 ... Bordeaux, France. [S.l. : s.n.], 2007: 10 pages.

    Keywords

    Elasticity, flexure, stabilizing agents, ultraviolet radiation, composite materials, mechanical properties, weathering, deterioration, color fading, wood-plastic composites, modulus of elasticity, photostabilization, surface properties, discoloration, photodegradation

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