Compounding the polyether polyol and the polyester polyol,the waterborne polyurethane (WPU) with better water resistance was prepared.Using 2,2-dimrthlolbutyric acid (DMBA) as the hydrophilic chain extender,the effects of the charging way of DMBA and the self-emulsifying method on the appearance,stability and film forming property were investigated.
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万方数据
维普
