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- W2369687789 abstract "A novel super absorbent resin based on ultrasonic activated cassava starch and acrylic acid was synthesized by aqueous polymerization using cassava starch and acrylic acid as raw material,N,N`-methylenebisacrylamide as crosslinker,ammonium persulfate and sodium bisulfite as redox initiator.The effects of parameters including the mol ratio of acrylic acid to starch,neutralization degree and amount of initiator,crosslinker on the water absorbent were investigated by single factor test and orthogonal array design methods,and the notability difference was analyzed with the statistic method of range and variance.The results showed that the optimal conditions were as follows:the mol ratio of acrylic acid to starch was 9,neutralization degree was 77%,the amount of initiator was 0.5% and the amount of crosslinker was 0.085%.Under these conditions,the maximum water absorbance of the superabsorbent was 1554 g/g.The resin had a strong salt-tolerant performance and the max absorption was happened under the same ionic strength of NaCl,MgCl2,FeCl3 solution in 60 min and the absorption were 145 g/g,83 g/g,35 g/g respectively.The water retention rates were 80.1%,61.2%,42.2% respectively when the resin was placed in 25,50,75 ℃ constant temperature water bath for 16 h." @default.
- W2369687789 created "2016-06-24" @default.
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- W2369687789 date "2013-01-01" @default.
- W2369687789 modified "2023-09-28" @default.
- W2369687789 title "SYNTHESIS AND PROPERTIES OF SUPERABSORBENT BASED ON ULTRASONIC ACTIVATED STARCH AND ACRYLIC ACID" @default.
- W2369687789 hasPublicationYear "2013" @default.
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