Effects of Polyol Structure on Chemical Composition and Mechanical Properties on Bio-based Polyurethane Composites
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Polyurethanes (PUs) are versatile polymers extensively utilized across various industries. The growing interest in sustainable and biodegradable materials has prompted the development of bio-based polyurethanes, which offer environmental benefits and are derived from abundant renewable resources. In order to address concerns regarding oil scarcity and environmental impact, researchers have investiated the use of alternative raw materials in the polyurethane industry. In this study, bio-based polyester and polyether polyols were employed as the polyol components, while wood-derived biomass was utilized as the filler material. Isophorone diisocyanate and n-methyldiethanolamine were selected as the isocyanate and extender, respectively. The effects of different polyol structures on the chemical composition and mechanical properties were characterized using various analytical techniques. This work was supported by material and component technology R&D Program through the KEIT(20019204).