Preparation method and application of medical lubricating, antibacterial and anticoagulant polyurethane coating material

The invention belongs to the technical field of medical instruments, and discloses a preparation method and application of a medical lubricating, antibacterial and anticoagulant polyurethane coating material. The raw material components used in the preparation method comprise isocyanate, polyol, a chain extender, methyl acrylate, siloxane, a metal ion salt and a catalyst, and the mass ratio of the isocyanate to the polyol to the chain extender to the methyl acrylate to the siloxane to the metal ion salt to the catalyst is (120-300): (120-300): (15-50): (5-25): (5-25): (5-25): (1-15). The polyurethane coating material obtained by the preparation method disclosed by the invention has good lubricating and antibacterial effects, and further has an anti-hemagglutination effect. The polyurethane coating material is applied to the surface of a medical instrument and has a good application effect. 本发明属于医疗器械技术领域，公开了医用润滑、抗菌、抗凝血聚氨酯涂层材料的制备方法与应用。该制备方法使用的原料组分包括异氰酸酯、多元醇、扩链剂、丙烯酸甲酯、硅氧烷、金属离子盐、催化剂，所述异氰酸酯、多元醇、扩链剂、丙烯酸甲酯、硅氧烷、金属离子盐