聚氨酯: versatile materials with a wide range of applications
聚氨酯是一种 versatile materials that can be used in a wide range of applications. It is a synthetic polymer that is produced by the polymerization of amino acids, which are the building blocks of proteins.聚氨酯材料因其优良的物理和化学性能,在工业领域中得到了广泛的应用。