[EN] BIOMATERIALS WITH A SUSTAINABLE SURFACE<br/>[FR] MATIÈRES D'ORIGINE BIOLOGIQUE À SURFACE RENOUVELABLE
申请人:UNIV MINNESOTA
公开号:WO2013176739A1
公开(公告)日:2013-11-28
Polymeric materials with improved (e.g. continuous) antifouling surfaces. The materials can be incorporated into a variety of materials, including medical devices, microspheres, nanoparticles, and containers. These materials combine amphiphilic copolymer conjugates having hyaluronan as the hydrophilic component, dispersed throughout bulk polymeric biomaterial. The hydrophobic component of the copolymer will have good compatibility with host bulk polymer, enabling excellent dispersion of the copolymer in the bulk, and anchorage for the hydrophilic component at the surface. The hydrophilic hyaluronan segment will spread on the surface of polymers and act as an antifouling layer in an aqueous environment; and the copolymer will dispersed uniformly in the polymer matrix and will not migrate to the surface because of its high molecular weight. Hence, as the bulk polymer degrades, the dispersed HA-amphiphile will become available to "coat" the dynamically evolving biointerface.