【摘要】 主要研究了通过多异氰酸酯(TDI)与聚醚多元醇(210)进行预聚反应,再加入小分子扩链剂(一缩二乙二醇)和亲水扩链剂(MDEA),用乙酸中和,乳化制取阳离子水性聚氨酯乳液的合成方法,并讨论了反应过程中各种因素对乳液及胶膜各方面性能的影响。更多还原

【Abstract】 This paper mainly introduces the synthesis method of cationic water-borne PU latex through pre- polymerizing isocyanate(TDI)and polyether polyol(210), adding small molecule chain extender(diethylene glycol) and hydrophilic chain extender(DMEA),then neutralizing with acetic acid and emulsifying;and discusses the influence of every factor on the performance of latex and film,更多还原