In this paper, a number of XQ-RD dry strength additives were experienced in papermaking, and their optimum using condition and strenghening effects were selected and discussed.

• RD系列造纸增干强剂系由西北轻工业学院化学工程系研究合成.；本文对该系列增干强剂中的61个产品进行了造纸应用试验，对其使用条件和增强效果进行了对比、筛选和优化