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Co-intercalation of Montmorillonite by Poly(oxypropylene) Amine Hydrochlorides with Different Chain Length

  • Liu Yuzhong ,
  • Wang Xiaoqun ,
  • Chen Yichi ,
  • Du Shanyi
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  • a School of Material Science and Engineering, Beihang University, Beijing 100191;
    b School of Chemistry and Environment, Beihang University, Beijing 100191

Received date: 2011-07-13

  Revised date: 2011-09-04

  Online published: 2011-10-24

Abstract

In order to improve the performance of polymer/montmorillonite nanocomposite, montmorillonite (MMT) must be modified organically so that the hydrophobicity of MMT and the compatibility between polymer and MMT can both be increased. In spite of this, it is also necessary to enlarge the basal spacing of MMT. In this paper, a new method was developed to co-intercalate MMT with two poly(oxypropylene) amine hydrochlorides with different chain length. Therefore, two kinds of co-intercalated MMTs, D400-D2000-MMT and D400-T5000-MMT were prepared. Their basal spacing, organic fraction and thermal stability were investigated by XRD and TGA, respectively. In addition, the effect of stirring methods and the number of intercalation times were also investigated. The results show the co-intercalation method can largely increase the basal spacing and organic fraction of MMT modified with D400. T5000 amine hydrochloride is much better than D2000 to increase the basal spacing (6.86 nm) and organic fraction (64.06%) of co-intercalated MMT because of the cage structure comprised of branched chain of T5000 between the layers of MMT co-intercalated.

Cite this article

Liu Yuzhong , Wang Xiaoqun , Chen Yichi , Du Shanyi . Co-intercalation of Montmorillonite by Poly(oxypropylene) Amine Hydrochlorides with Different Chain Length[J]. Acta Chimica Sinica, 2012 , 70(07) : 911 -916 . DOI: 10.6023/A1107131

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