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Properties and structure of microcrystal muscovite composite superabsorbent

  • Organic Materials
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Journal of Wuhan University of Technology-Mater. Sci. Ed. Aims and scope Submit manuscript

Abstract

Microcrystal muscovite composite superabsorbents (MMCSA) were prepared by water solution polymerization using acrylic acid, acrylamide and itaconic acid as comonomers and microcrystal muscovite as an inorganic additive. Properties, such as water absorbency, salt absorbency, gel strength, water retention capacity and structure of MMCSA characterized by SEM and XRD, were investigated. Water absorbency, salt absorbency, gel strength, water retention capacity and thermostability were enhanced by incorporation of suitable amount of microcrystal muscovite. Water absorption of MMCSA was rapid, requiring 24.55 min to reach 63% of equilibrium absorbency (1218 g/g). Microcrystal muscovite was physically combined into the polymeric network without destroying its polycrystalline structure and microcrystal muscovite composite superabsorbent had some irregular, undulant, and small microporous holes with sheet-like microcrystal muscovite distributed in the polymeric matrix.

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Authors and Affiliations

  1. State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology, Chengdu, 610059, China

    Tao Wan  (万涛) & Runqiu Huang

  2. Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions, Chengdu University of Technology, Chengdu, 610059, China

    Tao Wan  (万涛), Lei Xiong, Mengmeng Sun, Lili Qin, Xuemei Tan & Junyan Hu

Authors
  1. Tao Wan  (万涛)
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  2. Lei Xiong
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  3. Runqiu Huang
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  4. Mengmeng Sun
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  5. Lili Qin
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  6. Xuemei Tan
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  7. Junyan Hu
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Correspondence to Tao Wan  (万涛).

Additional information

Funded by the Sichuan Provincial Science & Technology Pillar Program,China (2010GZ0128) and the Opening Fund of State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, China (SKLGP2012K004)

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Wan, T., Xiong, L., Huang, R. et al. Properties and structure of microcrystal muscovite composite superabsorbent. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 29, 1302–1306 (2014). https://doi.org/10.1007/s11595-014-1085-2

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  • DOI: https://doi.org/10.1007/s11595-014-1085-2

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