Ethers are a class of organic compounds that contain one or more ether groups in their molecules. The ether group is composed of one oxygen atom and two carbon atoms, and its chemical formula is R..

Polyurethane is a synthetic polymer material with excellent physical and chemical properties, widely used in various fields. In the construction industry, polyurethane can be used to make insulation materials, waterproof materials……

Polyurethane is a polymer material with good elasticity and wear resistance, widely used in various fields. It is generated by the reaction of isocitrate and..

Polyurethane is a polymer compound formed by the polymerization reaction of polyols and isocyanates. It has excellent wear resistance, flexibility, tensile strength, and ..