Multistimuli-responsive hydrogels of poly(2-acrylamido-2-methyl-1-propanesulfonic acid) containing graphene
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- 作者：Valeria Alzari (1)
Daniele Nuvoli (1)
Roberta Sanna (1)
Laura Peponi (2)
Massimo Piccinini (3)
Silvia Bittolo Bon (4)
Salvatore Marceddu (5)
Luca Valentini (4)
Jose Maria Kenny (2)
Alberto Mariani (1) - 关键词：Hydrogels ; Nanocomposites ; Polyelectrolytes ; Stimuli ; sensitive polymers ; Swelling
- 刊名：Colloid & Polymer Science
- 出版年：2013
- 出版时间：November 2013
- 年：2013
- 卷：291
- 期：11
- 页码：2681-2687
- 全文大小：295KB
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Daniele Nuvoli (1)
Roberta Sanna (1)
Laura Peponi (2)
Massimo Piccinini (3)
Silvia Bittolo Bon (4)
Salvatore Marceddu (5)
Luca Valentini (4)
Jose Maria Kenny (2)
Alberto Mariani (1)
1. Dipartimento di Chimica e Farmacia, Universit脿 degli Studi di Sassari e Unit脿 locale INSTM, Via Vienna 2, 07100, Sassari, Italy
2. Institute of Polymer Science and Technology (ICTP-CSIC), Calle Juan de la Cierva 3, 28006, Madrid, Spain
3. Porto Conte Ricerche S.r.l., SP 55 km 8.400 Loc., Tramariglio, 07041, Alghero (SS), Italy
4. Civil and Environmental Engineering Department, INSTM Research Unit, University of Perugia, Strada di Pentima 4, 05100, Terni, Italy
5. Consiglio Nazionale delle Ricerche (CNR), Istituto di Scienze delle Produzioni Alimentari (ISPA), Li Punti (Reg. Baldinca), Traversa La Crucca, 07100, Sassari, Italy - ISSN：1435-1536
文摘
Nanocomposite hydrogels of poly(2-acrylamido-2-methyl-1-propanesulfonic acid) containing graphene were prepared by radical polymerization. Their swelling properties in response to ionic strength and electrical stimuli were assessed. Graphene was obtained through an easy and convenient method lately developed by our research group, which consists in the exfoliation of graphite by sonicating it in a proper solvent medium. It was found that the graphene content influences the swelling properties of hydrogels; in particular, those containing graphene swell more than the filler-free ones; graphene content influences also the swelling ratio variation between the swollen and deswollen states.