Affiliation:
1. Donghua University
2. Xi’an Polytechnic University
Abstract
Different kinds of anionic polyhydric alcohols water-borne polyurethane (WPU) emulsion and films were prepared by separately taking polypropylene carbonate polyol (PPC), polyethylene-1,4-buthylene adipate glycol (PBA) and polytetramethylene ether glycol (PTMG) with the same molecular weight as soft segment. Their structure and properties were characterized with Fourier transform infrared spectrometry (FT-IR), X-ray diffraction (XRD), rigidity, adhesive power, contact angle and water absorption. Comparing their properties, it was found that the rigidity, adhesive power and water resistance of PPC WPU were similar to those of PBA WPU.
Publisher
Trans Tech Publications, Ltd.
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