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

doi:10.6023/A1107131

Acta Chimica Sinica ›› 2012, Vol. 70 ›› Issue (07): 911-916 .DOI: 10.6023/A1107131 Previous Articles Next Articles

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不同链长的聚醚铵阳离子协同插层对蒙脱土性能的影响

刘羽中^a,b, 王小群^a, 陈贻炽^b, 杜善义^a

a 北京航空航天大学材料科学与工程学院北京 100191;
b 北京航空航天大学化学与环境学院北京 100191

投稿日期:2011-07-13 修回日期:2011-09-04 发布日期:2011-10-24
通讯作者: 王小群 E-mail:wangxiaoqun@buaa.edu.cn

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

Liu Yuzhong^a,b, Wang Xiaoqun^a, Chen Yichi^b, Du Shanyi^a

a School of Material Science and Engineering, Beihang University, Beijing 100191;
b School of Chemistry and Environment, Beihang University, Beijing 100191

Received:2011-07-13 Revised:2011-09-04 Published:2011-10-24

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.

Key words: montmorillonite, poly(oxypropylene) amine, co-intercalation, basal spacing, organic fraction

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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 .

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不同链长的聚醚铵阳离子协同插层对蒙脱土性能的影响

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

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