noun
- synthetic polymers used to make flexible foams, rigid foams, coatings, and elastomers
Usage: chemistry; materials science
Examples
- Polyurethanes are commonly used in furniture cushions and mattresses.
- The car’s dashboard was coated with a durable polyurethane finish.
- Spray foam insulation is made from polyurethanes that expand when applied.
- Athletic shoes often have polyurethane soles for flexibility and durability.
- The factory produces polyurethanes for various industrial applications.
- Polyurethanes can be formulated to be either rigid or flexible depending on their intended use.