Question

Why polyurethane is a amorphous solid

Answer 1

Answer:

Amorphous solids: Polyurethane, teflon, cellophane, polyvinyal chloride, fibre glass. Crystalline solids: naphthlene, benzoic acid, potassium nitrate, copper. 'Stability of a crystal is reflected in the magnitude of its melting points. ... And hence, a substance with higher melting point would be more stable

Answer 2

Crystalline solids are also known as true solids and amorphous solids are also known as pseudo solids or supercooled liquids. So Polyurethane is an amorphous solid.