Amphoteric paper dry-strength agent
Paper dry strength agent is polyacrylamide Series dry strength agent, with a higher molecular weight and cationic charge, widely using in packing paper (corrugated cardboard, kraft paper, etc.), cultural paper and other paper , especially for paper making systems with more anionic impurities or the high concentration of electrolyte. It can effectively improve the dry strength of paper, the physical properties of paper. At the same time, It also can keep and bond small fibers and filler, reducing fiber loss and reducing the "wool off".