COMPOSITION DE REVÊTEMENT DE SURFACE PRÉSENTANT UNE EXCELLENTE DURABILITÉ ET QUI EST LUBRIFIANTE À L'ÉTAT HUMIDE, LIQUIDE DE REVÊTEMENT, FILM DE REVÊTEMENT DE SURFACE, PROCÉDÉ DE REVÊTEMENT DE SURFACE ET DISPOSITIF MÉDICAL PORTANT LE FILM DE REVÊTEMENT DE SURFACE
Disclosed is a surface coating which is composed of a composition containing (a) 1-35% by weight of at least one of an aromatic diisocyanate, an aliphatic diisocyanate and an alicyclic diisocyanate, (b) 1-35% by weight of a tri- or more-functional polyol and (c) 30-98% by weight of a polyalkylene glycol and/or a monomethoxypolyalkylene glycol, or a composition containing a part of the components polymerized in advance as a prepolymer. Also disclosed is a coating liquid containing such a composition, a surface coating obtained by applying the coating liquid to a surface, and a medical device having the surface coating. The surface coating exhibits sufficient lubricity in wet state, while having excellent durability and high biological safety.
