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Synthesis, characterization and swelling behaviors of guar gum-g-poly (sodium acrylate -co- styrene)/vermiculite superabsorbent composites
Department环境材料与生态化学研究发展中心
Shi XN(施小宁); Wang WB(王文波); Wang AQ(王爱勤); 王爱勤 aqwang@licp.cas.cn
2011
Source PublicationJournal of Composite Materials
ISSN0021-9983
Volume45Issue:21Pages:2189-2198
AbstractA series of novel superabsorbent composites guar gum-g-poly(sodium acrylate-co-styrene)/vermiculite (GG-g-poly(NaAco-St)/VMT) were prepared by the simultaneous graft copolymerization of guar gum (GG), partially neutralized acrylic acid (NaA), styrene (St) and vermiculite (VMT) using ammonium persulfate (APS) as the initiator and N,N0-methylene-bisacrylamide (MBA) as the crosslinker. Fourier transform-infrared (FT-IR) and ultraviolet-visible (UV-vis) spectroscopy revealed that NaA and St had been grafted onto GG main-chain, and VMT participated in polymerization reaction. The simultaneous incorporation of St and VMT improved the surface pore structure, and VMT led to a better dispersion in the polymer matrix as shown by field emission scanning electron microscope (FESEM). Swelling results indicated that the inclusion of proper amount of St and VMT in the superabsorbents induced enhanced swelling capability, rate, and saltresistant performance. Moreover, the composites showed good pH-stability in the solution of various pHs, and exhibited smart swelling-shrinking on-off swelling characteristic in physiological solution, which can be used as promising candidate for its applications in various fields.
KeywordGuar Gum Vermiculite Styrene Superabsorbent Composite Swelling
Subject Area功能高分子
Funding Organization科技部863项目(2006AA03Z0454,2006AA100215)
Indexed BySCI
Language英语
Funding Project功能复合材料组
Document Type期刊论文
Identifierhttp://ir.licp.cn/handle/362003/88
Collection环境材料与生态化学研究发展中心
Corresponding Author王爱勤 aqwang@licp.cas.cn
Recommended Citation
GB/T 7714
Shi XN,Wang WB,Wang AQ,et al. Synthesis, characterization and swelling behaviors of guar gum-g-poly (sodium acrylate -co- styrene)/vermiculite superabsorbent composites[J]. Journal of Composite Materials,2011,45(21):2189-2198.
APA 施小宁,王文波,王爱勤,&王爱勤 aqwang@licp.cas.cn.(2011).Synthesis, characterization and swelling behaviors of guar gum-g-poly (sodium acrylate -co- styrene)/vermiculite superabsorbent composites.Journal of Composite Materials,45(21),2189-2198.
MLA 施小宁,et al."Synthesis, characterization and swelling behaviors of guar gum-g-poly (sodium acrylate -co- styrene)/vermiculite superabsorbent composites".Journal of Composite Materials 45.21(2011):2189-2198.
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