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    Author(s): Mark A. Dietenberger; Ali Shalbafan; Johannes Welling; Charles Boardman
    Date: 2013
    Source: Journal of Thermal Analysis and Calorimetry, 2013; 9 p.
    Publication Series: Scientific Journal (JRNL)
    Station: Forest Products Laboratory
    PDF: View PDF  (327.89 KB)

    Description

    The effectiveness of treatments for the surface layer of novel foam core particleboards was evaluated by means of Cone calorimeter tests, Foam cote particleboards with variations of surface layer treatment, adhesives, and surface layer thicknesses under similar processing conditions were used to produce the test specimen for the Cone calorimeter tests. Ignitability, heat release rate profile, peak of heat release rate, total heat released, effective heat of combustion, mass loss rate, gaseous emissions, and specific extinction area were measured using the cone irradiance of 50 kW m-2. Additional analysis of this data provided fuel composition information that could reveal the pyrolysis events of the composite boards. Thermocouples at various depths were used to provide further verification of pyrolysis events. The unprotected foam core panels generally had much higher heat release rates, somewhat higher heat of combustion and much higher smoke production due to the polymeric foam component of tested panels, whereas time to ignition and total heat release were not pronounced from the veneer treated boards. Adding the commercial fire retardant veneer to the face particleboard provided a dramatic improvement to the measured flammability properties. It worked sufficiently well with a 3 mm thick surface layer to improve the predicted flame spread rating of the foam core particleboards.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Dietenberger, Mark A.; Shalbafan, Ali; Welling, Johannes; Boardman, Charles. 2013. Treated and untreated foam core particleboards with intumescent veneer. Journal of Thermal Analysis and Calorimetry: 9.

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    Keywords

    Foam core particleboard, cone calorimeter, sandwich, FRTveneer, Polystyrene foam

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