Steric stabilization of modified nanoclays triggered by temperature

Steric stabilization of modified nanoclays triggered by temperature Journal of Colloid and Interface Science 461 (2016) 346–351 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Steric stabilization of modified nanoclays triggered by temperature Giuseppe Cavallaro, Giuseppe Lazzara , Stefana Milioto, Filippo Parisi Department of Physics and Chemistry, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, 90128 Palermo, Italy graphical a bstract HNT aer 800 min at 45 °C aer srring aer 800 min at 15 °C 45 °C 15 °C HNT/PNIPAAM ar ti c l e i nf o ab stra ct Article history: Halloysite clay nanotubes were modified through the adsorption of poly(N-isopropylacrylamide)-amine Received 30 July 2015 terminated (PNIPA-NH ) onto the external surface by exploiting electrostatic interactions at pH = 6. In Revised 4 September 2015 spite the amount of attached polymer is rather low (1 wt%), the properties of the nanotubes are deeply Accepted 19 September 2015 modified. The apparent specific volume and isentropic compressibilities of the hybrid nanomaterial dis- Available online 21 September 2015 persed in water evidenced the transferring of the termosensitive property from the polymer to halloysite. The hydrodynamic radius as well as the f-potential of the nanohybrid are consistent with the attachment http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Colloid and Interface Science Elsevier

Steric stabilization of modified nanoclays triggered by temperature

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier Inc.
ISSN
0021-9797
eISSN
1095-7103
D.O.I.
10.1016/j.jcis.2015.09.046
Publisher site
See Article on Publisher Site

Abstract

Journal of Colloid and Interface Science 461 (2016) 346–351 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Steric stabilization of modified nanoclays triggered by temperature Giuseppe Cavallaro, Giuseppe Lazzara , Stefana Milioto, Filippo Parisi Department of Physics and Chemistry, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, 90128 Palermo, Italy graphical a bstract HNT aer 800 min at 45 °C aer srring aer 800 min at 15 °C 45 °C 15 °C HNT/PNIPAAM ar ti c l e i nf o ab stra ct Article history: Halloysite clay nanotubes were modified through the adsorption of poly(N-isopropylacrylamide)-amine Received 30 July 2015 terminated (PNIPA-NH ) onto the external surface by exploiting electrostatic interactions at pH = 6. In Revised 4 September 2015 spite the amount of attached polymer is rather low (1 wt%), the properties of the nanotubes are deeply Accepted 19 September 2015 modified. The apparent specific volume and isentropic compressibilities of the hybrid nanomaterial dis- Available online 21 September 2015 persed in water evidenced the transferring of the termosensitive property from the polymer to halloysite. The hydrodynamic radius as well as the f-potential of the nanohybrid are consistent with the attachment

Journal

Journal of Colloid and Interface ScienceElsevier

Published: Jan 1, 2016

References

  • Langmuir
    Cavallaro, G.; Lazzara, G.; Milioto, S.
  • Soft Matter.
    Lazzara, G.; Olofsson, G.; Alfredsson, V.; Zhu, K.; Nystrom, B.; Schillen, K.

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