FIBER REINFORCED SOY-BASED POLYURETHANE SPRAY FOAM INSULATION. PART 1: CELL MORPHOLOGIES

Mustafa Khazabi, Ruijun Gu, Mohini Sain

Abstract


Environmentally friendly polyurethane (PU) spray foam insulation was prepared by substituting petrochemical polyol with soy-based polyol. The effects of adding wood fiber and water on the cell morphologies were studied. Cell size increased with the presence of wood fiber, but it decreased with an increase of water (H2O). Still, shorter fiber decreased in foam density but increased in cell size and open cell content.

Keywords


Biofoam, Insulation; Polyurethane; Spray foam; Soybean oil; Wood fiber

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