Noncovalent binding interactions of polyacrylamide and clay in nanocomposite hydrogels

Noncovalent binding interactions of polyacrylamide and clay in nanocomposite hydrogels
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纳米复合水凝胶中聚丙烯酰胺和粘土的非共价结合相互作用

DOI:
10.1002/polb.22192
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发表时间:
2011-02
期刊:
Journal of Polymer Science Part B: Polymer Physics
影响因子:
--
通讯作者:
Y. Wu, M. Xia, Q. Fan, Y. Zhang, H. Yu
Y. Wu, M. Xia, Q. Fan, Y. Zhang, H. Yu
中科院分区:
其他
文献类型:
--
作者:
M. Zhu;Y. Wu, M. Xia, Q. Fan, Y. Zhang, H. Yu

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研究了聚丙烯酰胺(PAAM)/粘土纳米复合水凝胶(NC凝胶)预凝胶溶液和制备的NC凝胶中有机和无机组分之间的相互作用。此外,在不使用任何交联剂的情况下,以PAAM链之间的氢键相互作用为交联力,制备了一种力学性能优良的自交联型PAAM凝胶。结果表明,PAAm与粘土在NC凝胶中的结合作用是由于PAAm链上的酰胺基团与粘土片层之间的非共价相互作用,为NC凝胶网络的形成提供了交联力。2010Wiley期刊,Inc.《Polym Sci》B部分:Polym Phys,2011
The interactions between organic and inorganic components in pregel solution for polyacrylamide (PAAm)/clay nanocomposite hydrogels (NC gels) and in prepared NC gels are investigated. Besides, a kind of self-crosslinked PAAm gels with excellent mechanical properties is fabricated in the absence of any cross-linking agents, the hydrogen bonding interactions among PAAm chains are acted as the cross-linking force. It is revealed that the binding interactions of PAAm and clay in NC gels are owing to the noncovalent interactions between amide groups on PAAm chains and clay platelets, which afford the cross-linking force for NC gels network formation. © 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2011
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影响因子: 5.5
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