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A novel thermal sensitive polyurethane (TSPU) membrane with a thermal switch was prepared via wet phase inversion technique and used for separation of NaCl, glycin from collagen solution. From Differential Scanning Calorimetry (DSC) and X-Ray Diffraction (XRD), it was found that the TSPU showed segmented structure (i.e. the hard segment and soft segment) and independent phase transition temperatures...
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