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Published on: March 8, 2019
Examination of hard segment and soft segment phase separation in polyurethane medical materials by electron
Jennifer E Taylor1, Peter R Laity, Steven S Wong
1Department of Materials Science, University of Cambridge, Cambridge CB2 3QZ, UK.
Abstract:
A combination of transmission electron microscopy (TEM) and in situ tensile testing in an environmental scanning electron microscopy (ESEM) was used to evaluate the static bulk and dynamic surface morphologies of medical polyurethanes. TEM results showed phase-separated hard segment and soft segment structures. Surface morphology as a function of strain was studied using ESEM in conjunction with a tensometer.
