用异佛尔酮二异氰酸酯（IPDI）与聚四氢呋喃二醇（PTMG1000）和自制扩链剂N-[（1,1-二甲基-2-乙酰基）乙基]-β-二羟乙氨基丙酰胺（DDP）等,通过外加己二酸二酰肼（ADH）合成了室温交联型水性聚氨酯。通过衰减全反射傅里叶变换红外光谱（ATR-FT-IR）、X射线光电子能谱（XPS）和激光散射粒径仪对产物进行了表征,ATR-FT-IR分析证实了DDP的引入和乳液成膜时酮肼交联反应的发生,XPS分析证实了硅氧烷的引入,粒径分析显示随着DDP用量的增加,乳液的粒径逐渐变大且分布范围变宽。研究了n（ADH）∶n（DDP）和DDP含量对聚氨酯涂膜性能以及纸张施胶性能的影响,结果表明,在w（DDP）=3.46%,n（ADH）∶n（DDP）=1∶2时,聚氨酯涂膜的拉伸强度最大为24.658 MPa,环压指数最大为5.26 N.m2/g。扫描电镜显示聚氨酯乳液在纸张表面成膜性能优异。
Waterborne polyurethane which can imphorone diisocyanate（ IPDI ）, polytetrahydrofuran be crosslinked at ambient temperature was synthesized using glycol （PTMG1000） and N-[ （1,1-dimethyl-2-acetyl） ethyl ]β- dihydroxyethylamino propanamide（DDP）as raw materials, and then adipic dihydrazide （ADH） was added into the emulsion. The structure was characterized by ATR-FT-IR, XPS and particle size analysis. The tests results confirm the formation and reaction of DDP, and the particle size analysis indicates that the particle size increases gradually with the incensement of DDP content. The effects of n （ADH） ： n （DDP） and DDP content on the properties of the films and paper were studied. The results show that when w （DDP） = 3.46% and n （ADH）： n （DDP） = 1：2, the tensile strength reaches to 24. 658 MPa, and the ring pressure index is improved by 17.9%. SEM photos show that the emulsion＇s film formation property on the paper surface is good.
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