Progress in Preparation and Application of Cellulose-Based Super Absorbent Resins
Super absorbent resins have excellent water absorption and water retention properties,but they are difficult to be degraded by water absorption and swelling,which may cause pollution to the ecological environment,leading to a certain limitation of their application.The super absorbent resin synthesized with cellulose as graft skeleton has excellent degradability.This paper introduces the research progress,advantages,and disadvantages of the synthesis methods of cellulose-based super absorbent resin such as 60Co-γ ray initiation,ultrasonic initiation,solution polymerization,and emulsion suspension polymerization.The research progress of cellulose-based derivatives carboxymethyl cellulose and hydroxypropyl methyl cellulose super absorbent resin in recent years is described in detail,and the application prospects of cellulose-based super absorbent resin in agriculture,sanitary products,medicine,and heavy metal adsorption are analyzed and prospected.
CelluloseSuper absorbent resinHeavy metal adsorption
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