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Improvement in Mechanical Performance of Anionic Hydrogels Using Full-Interpenetrating Polymer Network Reinforced with Graphene Oxide Nanosheets
Sharif Univ Technol, Inst Nanosci & Nanotechnol, Tehran 1115589694, Iran..
Sharif Univ Technol, Inst Nanosci & Nanotechnol, Tehran 1115589694, Iran.;Sharif Univ Technol, Dept Mat Sci & Engn, Polymer Mat Res Grp, Tehran 111559466, Iran..
Iran Polymer & Petrochem Inst, Tehran 14965115, Iran..
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Polymer Chemistry. Uppsala University, Science for Life Laboratory, SciLifeLab.
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2016 (English)In: Advances in Polymer Technology, ISSN 0730-6679, E-ISSN 1098-2329, Vol. 35, no 4, 386-395 p.Article in journal (Refereed) Published
Abstract [en]

Weak mechanical possession is one of the limiting factors in application of hydrogels. To modify this inherent disadvantage, different approaches have been studied including synthesizing interpenetrating polymer network (IPN) and nanocomposite hydrogels. So, this study has focused on preparation of a novel full-IPN structure based on anionic monomers of 2-acrylamido-2-methylpropane sulfonic acid/acrylic acid-sodium acrylate via facile solution polymerization technique in an aqueous media with incorporation of graphene oxide (GO) nanosheets. Mechanical performance of materials in the as-prepared condition and swollen state was characterized via tensile, compression, and rheology tests, respectively. Significant improvement of both elastic and storage modulus (ca. four times higher than pure hydrogel) is observed in this approach. Also dynamic mechanical thermal analysis results revealed that incorporation of high GO content (0.5 wt%) can suppress formation of full-IPN structure, whereas low GO content has not such an effect, interestingly. Moreover, these novel hydrogels could easily be stretched or compressed followed by full recovery after unloading.

Place, publisher, year, edition, pages
2016. Vol. 35, no 4, 386-395 p.
Keyword [en]
Graphene oxide, Hydrophilic polymers, Interpenetrating polymer network (IPN), Mechanical properties, Nanocomposite hydrogel
National Category
Polymer Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-308616DOI: 10.1002/adv.21563ISI: 000386022700005OAI: oai:DiVA.org:uu-308616DiVA: diva2:1050963
Available from: 2016-11-30 Created: 2016-11-29 Last updated: 2016-11-30Bibliographically approved

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Ossipov, Dmitri A.
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