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Journal of polymers v.2017, 2017년, pp.1 - 8  

Synthesis, Properties, and Humidity Resistance Enhancement of Biodegradable Cellulose-Containing Superabsorbent Polymer

Guan, Hongliang (School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430074, China ) ; Li, Junbo (School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430074, China ) ; Zhang, Biyu (School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430074, China ) ; Yu, Xunmin (School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430074, China ) ;
  • 초록  

    To improve the humidity resistance and water absorption capacity of the superabsorbent polymer (SAP), a biodegradable cellulose-containing polymer was successfully assembled through inverse suspension polymerization, using cellulose, acrylic acid, and acrylamide as monomers, Span-80 as dispersant, and potassium persulfate as initiator. The impact of conditions such as reaction temperature, ratio of oil to water, degree of neutralization, amount of cellulose, and cross-linking agents on the properties of the polymer were evaluated. The results showed that the as-prepared superabsorbent polymer exhibited the best water (859 g/g) and salt water (72.48 g/g) absorption rate, when the reaction temperature was 70°C, monomer ratio was 1 : 10, neutralization degree was 75%, and oil-water ratio was 3 : 1. Moreover, the humidity resistance of the polymer could be enhanced significantly by adding different cross-linking reagents such as epoxy chloropropane or diethylene glycol.


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