Dioxane and distilled water in the solutions were then evaporated using a rotary evaporator until the moisture content was less than 1% using a Mettler Toledo HR73 Halogen Moisture Analyzer to obtain the liquefied KC polyol
Dioxane and distilled water in the solutions were then evaporated using a rotary evaporator until the moisture content was less than 1% using a Mettler Toledo HR73 Halogen Moisture Analyzer to obtain the liquefied KC polyol