Super Absorbent Polymer sort and use

There are two kinds of superabsorbent polymers that have been industrialized: One is the hydrophilic polymer grafted on starch or cellulose skeleton, such as acrylonitrile grafted on corn starch and then hydrolyzed; The second type is synthetic crosslinked sodium polyacrylate. The former kind of water absorption is large, raw material cost is low, and has microbial degradation characteristics. The latter has low water absorption, high raw material cost, and is not easy to be degraded by microorganisms and corruption, both of which have been industrialized production, of which Henkel Company and Dow Chemical Company in the United States, Sanyo Chemical Industry Company and iron Chemical Industry Company in Japan have the largest output.
Superabsorbent polymers are widely used. Add to soil to retain water; Used for planting flowers, vegetables, seedlings, can adjust and maintain water; Made into medical bandages, cotton balls, yarn strips, sponges, can be used for suction surgery and trauma hemostatic; Add pulp to make Super Absorbent Polymer For Diapers, Super Absorbent Polymer For Pads, Super Absorbent Polymer For Ice Pack can be used as women's sanitary napkins, children's diapers, etc., can also be used as fruit, vegetables fresh-keeping and water-retaining wrapping paper; The performance of cement preproduct can be improved by adding cement mortar. It can be used to absorb pesticides and fertilizers, and can play a role in controlling release to achieve the purpose of improving drug efficacy and fertilizer efficiency.