The synthesis mechanism and methods of water-borne cationic polyurethane and its modification were reviewed, and its new development was introduced at home and abroad in this paper. Then the development trend of water-borne cationic PU as leather finishing agent was put forward.%综述了阳离子水性聚氨酯的合成机理、方法及其改性,介绍了其国内外研究的新进展,并提出了阳离子水性聚氨酯皮革涂饰剂的发展趋势.
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