introduction polyurethane (pu) is a high-performance polymer material and is widely used in many fields such as construction, automobile, home appliances, and furniture. its excellent physical proper ...

introduction polyurethane (pu) is a polymer material produced by the reaction of isocyanate and polyol. due to its excellent physical and chemical properties, it has been widely used in many industrie ...

introduction polyurethane (pu) is a high-performance material widely used in various fields. its excellent physical and chemical properties make it important in the construction, automobile, home appl ...

introduction polyurethane (pu) is an important polymer material and is widely used in various fields, including construction, automobile, furniture, footwear, home appliances, etc. its unique physica ...