聚氨酯全称为聚氨基甲酸酯,是主链上含有重复氨基甲酸酯基团的大分子化合物的统称。它是由有机二异氰酸酯或多异氰酸酯与二羟基或多羟基化合物加聚而成。聚氨酯大分子中除了氨基甲酸酯外,还可含有醚、 Polyurethane, fully known as polyurethane, is a generic term for macromolecular compounds containing repeating urethane groups in the backbone. It is made of organic diisocyanate or polyisocyanate with dihydroxy or polyhydroxy compound added. Polyurethane macromolecules in addition to carbamate, but also can contain ether,