Journal of Guangdong University of Technology ›› 2007, Vol. 24 ›› Issue (2): 1-4.

• Comprehensive Studies •     Next Articles

Study on Modification and Properties of Sodium Polyacrlate Super Absorbent Polymer

  

  1.  (1.Department of Material Science and Engineering,Northwestern Polytechnical University,Xi’an 710072,China;2.Zhongkai University of Agriculture and Technology,Guangzhou 510225,China;3.Faculty of Chemical Engineering and Light Industry,Guangdong University of Technology,Guangzhou 510090,China)
  • Online:2007-07-02 Published:2007-07-02

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Abstract: Using montmorillonite modified organically as host and acrylic acid as guest,the super absorbent polymers of PAA∕MMT are prepared by inverse suspension polymerization and compared with pure PAA samples.XRD and IR studies show that the interlayer distance of the MMT fully dispersed in polymer is over 4.66 nm and the PAA∕MMT SAP are nanocomposites.For PAA∕MMT SAP with 10% clay,the gel strength is 3.6 times as high as that of the pure PAA samples.The important properties of the absorption speed and...

Key words: montmorillonite； polyacrylate sodium； super absorbent polymer(SAP)； modification； property；

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