Article
  • Optimization of Preparing Poly(AM-DMDAAC)/MMT Superabsorbent Nanocomposite by Orthogonal Experiment
  • Zhou M, Yang S, Zhou Y, Qin N, He S, Lai D, Xie Z, Yuan J
  • Orthogonal 방법을 통한 Poly(AM-DMDAAC)/MMT 고흡수성 나노복합체 제조 연구
  • Zhou M, Yang S, Zhou Y, Qin N, He S, Lai D, Xie Z, Yuan J
Abstract
A novel poly(AM-DMDAAC)/MMT superabsorbent nanocomposites are prepared by radical polymerization using ammonium persulfate (APS) and anhydrous sodium sulfite as a free radical initiator and N,N-methylene bisacrylamide (MBA) as a crosslinker. In this paper, an optimization study on the synthesis of superabsorbent nanocomposites is carried out. Orthogonal array experiment indicates that the optimized conditions is acrylamide (AM) content 23 wt%, diallyl dimethyl ammonium chloride (DMDAAAC) content 6 wt%, montmorillonite (MMT) content 4 wt%, initiator content 0.2 wt% and crosslinker content 0.02 wt%. Under the optimization syntheses conditions concluded, the maximum water absorbency in distilled water is 659.53 g·g^(-1) and in 2 wt% sodium chloride solution is 116.25 g·g^(-1). Compared with the range values of different factors (Rj), the order of significance factors in distilled water is C (MMT) > B (DMDAAC) > A (AM) > D (crosslinker) > E (initiator). MMT is intercalated during polymerization reaction and a nanocomposite structure is formed as shown by TEM analysis and XRD analysis.

Keywords: superabsorbent nanocomposite; orthogonal experiment; MMT; synthesis.

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2014; 38(1): 16-23

    Published online Jan 25, 2014

  • Received on Jul 11, 2013
  • Accepted on Oct 2, 2013