The effect of clay kind on properties of corresponding poly(acrylic acid/acrylamide/clay) superabsorbents - Details

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Abstract：

A　series　of　poly(acrylic　acid/acrylamide/clay)　superabsorbents　with　10%　different　kinds　clay,　which　including　calcined　kaolin,　montmorillonite,　attapulgite,　bentonite,　sepiolite　and　diatomite,　were　prepared　by　inverse　suspension　polymerization　method.　The　effects　of　clay　kinds　on　structure,　equilibrium　water　absorbency,　equilibrium　0.9%　NaCl　absorbency,　the　water-retention　capability　and　thermal　stability　of　the　superabsorbent　composites　were　also　systematically　investigated　in　the　same　condition.　It　is　found　that　the　superabsorbent　incorporated　with　bentonite　has　the　best　equilibrium　water　absorbency　(450　g/g)　and　equilibrium　0.9%　NaCl　absorbency　(92　g/g).　Moreover,　bentonite　and　calcined　kaolin　ones　show　the　best　capability　of　maintenancewater.　Besides,　the　calcined　kaolin　can　enhance　the　thermal　stability　of　corresponding　superabsorbent　to　the　highest　degree.

Keyword：

Polyethylenes Carboxylic acids Polymerization Inverse problems Kaolin Sodium chloride Calcination Bentonite Clay Thermodynamic stability Suspensions (fluids)

Author Community：

[ 1 ] [Wu, Ziping]College of Materials Science and Engineering, The Key Laboratory of Advanced Functional Materials, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Suo, Hongli]College of Materials Science and Engineering, The Key Laboratory of Advanced Functional Materials, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Zhang, Teng]College of Materials Science and Engineering, The Key Laboratory of Advanced Functional Materials, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Yuan, Huiping]College of Materials Science and Engineering, The Key Laboratory of Advanced Functional Materials, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Wang, Yi]College of Materials Science and Engineering, The Key Laboratory of Advanced Functional Materials, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Liu, Min]College of Materials Science and Engineering, The Key Laboratory of Advanced Functional Materials, Beijing University of Technology, Beijing 100124, China
[ 7 ] [Ma, Lin]College of Materials Science and Engineering, The Key Laboratory of Advanced Functional Materials, Beijing University of Technology, Beijing 100124, China

Reprint Author's Address：

Email：

honglisuo@bjut.edu.cn

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Source ：

Polymeric Materials Science and Engineering

ISSN： 1000-7555

Year： 2012

Issue： 6

Volume： 28

Page： 45-47,52

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

Affiliated Colleges：

材料科学与工程学院本学院/部未明确归属的数据

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