introduction polyurethane (pu) is a multifunctional polymer material. because of its excellent mechanical properties, chemical corrosion resistance and good processing properties, it has been widely u ...

introduction as the global focus on sustainable development increases, companies face unprecedented challenges and opportunities. in the chemical industry, polyurethane materials are highly favored f ...

overview of polyurethane retardation catalyst 8154 polyurethane (pu) is a high-performance material widely used in all walks of life. its excellent physical and chemical properties make it occupy an i ...

introduction as the global environmental problems become increasingly serious, governments and enterprises in various countries have strengthened their attention to environmental protection standards. ...