preparation and uses of polyurethane
Answers
The manufacture of flexible, high-resilience foam seating.
Rigid foam insulation panels.
Microcellular foam seals and gaskets.
Durable elastomeric wheels and tires(such as roller coaster wheels)
Automotive suspension bushings.
Electrical potting compounds.
High performance adhesive.
Surface coating and surface sealents.
Answer:
Polyurethanes are produced by reacting an isocyanate containing two or more isocyanate groups per molecule (R−(N=C=O)n) with a polyol containing on average two or more hydroxyl groups per molecule (R′−(OH)n) in the presence of a catalyst or by activation with ultraviolet light.
Explanation:
Furniture, bedding, and seating. Polyurethane products are often molded into foam that can serve for a variety of uses for human comfort. ...
Thermal Insulation. Low-density rigid polyurethane has a range of uses—one of the most useful is its thermal insulation application. ...
Elastomers. ...
Footwear. ...
Straps. ...
Coatings.