【摘要】 分析了水性聚氨酯与溶剂型聚氨酯在分子结构上的不同及其存在状态的差异,而导致其在合成革加工工艺上有所区别,指出了水性与溶剂型聚氨酯在湿法加工和离型纸方面选择的依据与作用机理,为以后水性聚氨酯的发展提供有力的理论支撑。更多还原

【Abstract】 The difference of structure and condition between waterborne polyurethane and solvent-based polyurethane was discussed,which leads to the changes of processing in leather industry.The basis and mechanism of waterborne and solvent-based polyurethane in choosing wet processing and release paper were pointed out,which provide effective theoretical support for the development of waterborne polyurethane.更多还原