A POLYURETHANE BIODEGRADABLE PLASTIC USING PHOSPHORUS PENTOXIDE

摘要

PURPOSE: Biodegradable polyurethane plastic is provided to enable effective degradation within short time, to ensure excellent properties of products, and to prevent color change. CONSTITUTION: Biodegradable polyurethane plastic using phosphorus pentoxide comprises biodegradable polyurethane in which an additive containing phosphorus is impregnated. The additive includes phosphorus pentoxide(P2O5) and is coated with essential oil. The additive includes 0.4~0.6 weight% of the biodegradable polyurethane. The additive further includes potassium hydroxide(KOH).