introduction climate change is one of the severe challenges facing the world today, and its impact has emerged worldwide. frequent extreme weather events, rising sea levels, and decreasing biodiversi ...

introduction polyurethane (pu) is a widely used polymer material with excellent mechanical properties, chemical resistance and weather resistance. it is widely used in many fields such as construction ...

introduction polyurethane (pu) is a high-performance material and is widely used in many fields, including construction, automobiles, furniture, medical equipment, and sports goods. its excellent phy ...

overview of polyurethane catalyst a-300 polyurethane (pu) is a polymer material widely used in many industries and is highly favored for its excellent mechanical properties, chemical resistance and pr ...

overview of polyurethane catalyst a-300 polyurethane (pu) is a polymer material produced by the reaction of isocyanate and polyols, and is widely used in furniture, automobiles, construction, packagin ...

introduction polyurethane (pu) is a high-performance material widely used in coatings, adhesives, foams, elastomers and other fields. its excellent mechanical properties, chemical resistance and wear ...

introduction polyurethane (pu) is a multifunctional polymer material and is widely used in coatings, adhesives, foams, elastomers and other fields. its excellent mechanical properties, chemical resis ...

introduction polyurethane (pu) is an important polymer material and is widely used in many fields such as construction, automobile, home appliances, and furniture. among them, rigid foam plastics hav ...