Polyacrylamide is widely used in the field of papermaking as flow aid, filter aid, homogeneity agent to improve the quality of paper, slurry dehydration performance, fine fiber and filler retention, reduce the consumption of raw materials and environmental pollution as a dispersant can improve the uniformity of paper. Polyacrylamide in the paper industry is mainly used in two aspects, one is to improve the retention rate of filler, pigment and so on to reduce the loss of raw ...