A new tanning agent, PAE-phenolic resin, was obtained by using dipic acid,diethyenetriamine,epichlorohydrin,phenol,formaldehyde as raw materials.

• 以己二酸、二乙烯三胺、环氧氯丙烷、苯酚、甲醛为原料,合成了一种新型鞣剂。