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Partially Degradable Fibers And Microvascular Materials Formed From The Fibers

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A partially degradable polymeric fiber includes a thermally degradable polymeric core and a coating surrounding at least a portion of the core. The thermally degradable polymeric core includes a polymeric matrix including a poly(hydroxy-alkanoate), and a metal selected from the group consisting of an alkali earth metal and a transition metal, in the core polymeric matrix. The concentration of the metal in the polymeric matrix is at least 0.1 wt %. The partially degradable polymeric fiber may be used to form a microvascular system containing one or more microfluidic channels.
Dong, Hefei (Urbana, IL), Pety, Stephen J. (Urbana, IL), Sottos, Nancy R. (Champaign, IL), Moore, Jeffrey S. (Savoy, IL), White, Scott R. (Champaign, IL)
The Board of Trustees of the University of Illinois (Urbana IL)
14/ 040,287
September 27, 2013
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under contract numbers FA9550-10-1-0255, awarded by the Air Force Office of Scientific Research, and DOE ANL 9F-31921, awarded by the Energy Frontier Research Centers (EFRC). The government has certain rights in the invention.