EFFECT OF MACROGLYCOL STRUCTURE AND ITS MOLECULAR WEIGHT ON PHYSICOMECHANICAL PROPERTIES OF POLYURETHANES

摘要

The molecular weight of polyester polyol plays an important role in controlling mechanical and dynamic mechanical properties of polyurethanes. Two systems are studied for evaluation of these properties. Since the properties of polyurethanes are derived from the properties of various constituents involved in their synthesis, the magnitude of properties of polyurethanes are also studied. Dynamic mechanical properties are analyzed using a dynamic mechanical analyzer that employs the principle of compound resonance. (C) 1995 John Wiley and Sons, Inc. [References: 12]