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  1. Multiphase materials with lignin. VI. Effect of cellulose derivative structure on blend morphology with lignin

    Polymeric blends of lignin with ethyl cellulose (EC) and cellulose acetate/butyrate (CAB) prepared by solution casting from dioxane. Fracture surface analysis by scanning electron microscopy revealed phase separation when the lignin content exceeded 10% for blends with EC and 5% in the CAB system. While this phase behavior is as predicted for the EC blends, a greater...

    Author(s):
    Timothy G. Rials; Wolfgang G. Glasser
    Year:
    1989
    Keywords:
    Polymer blends, lignin, cellulose derivatives, phase behavior, glass transition temperature
    Source:
    Wood & Fiber Science 21(1):80-90

  2. Crystallization behavior of polyamide-6 microcellular nanocomposites

    The crystallization behaviors of polyamide-6 (PA-6) and its nanocomposites undergoing the microcellular injection molding process are studied using Transmission Electron Microscopy (TEM), X-ray Diffractometer (XRD), Polarized Optical Microscopy (POM), and Differential Scanning Calorimetry (DSC). The relationships among the morphology, the mechanical property of the...

    Author(s):
    Mingjun Yuan; Lih-Sheng Turng; Shaoqin Gong; Andreas Winardi
    Year:
    2004
    Keywords:
    Microcellular injection molding, polyamide-6, nanocomposite, crystallization, montmorillonite, (MMT)
    Source:
    Journal of cellular plastics. Vol. 40 (Sept. 2004): Pages 397-409

  3. Ignitability of materials in transitional heating regimes

    Piloted ignition behavior of materials, particularly wood products, during transitions between heating regimes is measured and modeled in a cone calorimetry (ISO 5660) heating environment. These include (1) effect of material thickness, density, moisture content, and paint coating variations on thermal response characteristics, (2) effect of fire retardant treatment...

    Author(s):
    Mark A. Dietenberger
    Year:
    2004
    Keywords:
    Heating regimes, ignitability, wood products
    Source:
    Wood & fire safety : proceedings, 5th international scientific conference, April 18-22, 2004 ... Slovak Republic. [Svolen, Slovakia] : Faculty of Wood Sciences and Technology, Technical University of Zvolen, 2004: Pages 31-41.

  4. Chemical and physical interpretation of MDI cure in saturated steam environments

    The cure of polymeric 4-4? diphenylmethane diisocyanate, PMDl, in wood composite manufacturing has been the subject of much research. The exact contribution of polyurethane, polyurea, and polyurete formation to PMDI/wood bonding is still debated. This study foregoes the mechanism controversy and studies the cure from a panel consolidation process. Micro-dielectric...

    Author(s):
    David Harper; Michael P. Wolcott; Timothy Rials
    Year:
    1999
    Keywords:
    Source:
    Proceedings of the second European panel products Symposium; 1998 October 21-22; Llandudno, Wales, UK.Gwynedd, Wales, UK: 193-204.

  5. Testing and classification of individual plants for fire behaviour: plant selection for the wildland–urban interface

    Knowledge of how species differ in their flammability characteristics is needed to develop more reliable lists of plants recommended for landscaping homes in the wildland–urban interface (WUI). As indicated by conflicting advice in such lists, such characterisation is not without difficulties and disagreements. The flammability of vegetation is often described as...

    Author(s):
    Robert H. White; Wayne C. Zipperer
    Year:
    2010
    Keywords:
    calorimetry, flammability, oxygen consumption, vegetation
    Source:
    International Journal of Wildland Fire 19:213–227

  6. Chemical mechanism of fire retardance of boric acid on wood

    It is commonly accepted that the fire retardant mechanism of boric acid is a physical mechanism achieved by the formation of a coating or protective layer on the wood surface at high temperature. Although a char-forming catalytic mechanism has been proposed by some researchers, little direct experimental support has been provided for such a chemical mechanism. In this...

    Author(s):
    Qingwen Wang; Jian Li; Jerrold E. Winandy
    Year:
    2004
    Keywords:
    Fire retardant mechanism, boric acid, basswood, guanylurea phosphate
    Source:
    Wood science and technology. Vol. 38 (2004): Pages 375-389
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