A cationic polymer polyethylene imine,as a modifier,is used for the surface modification of Nano-SiO2,thereby effectively solve the water resistant problem of the high glossy jet printing paper,and accelerate the dry speed of printin 8 inks.
以阳离子聚合物聚乙烯亚胺为改性剂对纳米二氧化硅进行表面改性处理,从而有效地解决了高光泽数码喷墨打印相纸的耐水性问题,同时加快了喷墨的干燥速度。