Research Progress in Self-healing Waterborne Polyurethane
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Abstract
Waterborne polyurethane, with an excellent environment-friendly, is a kind of polyurethane material which uses water instead of organic solvent as dispersion medium. With self-healing functionalization, waterborne polyurethane can be given a longer service life and more diverse application properties. This article reviews the research progress of self-healing waterborne polyurethane constructed based on dynamic covalent bonds and dynamic non-covalent bonds in recent years and mainly introduces the applications in leather coating and functional materials. Meanwhile, some research and development direction of the self-healing waterborne polyurethane material is discussed.
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