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Article
Tailor-made hybrid nanostructure of poly(ethyl acrylate)/clay by surface-initiated atom transfer radical polymerization
Article first published online: 17 JUN 2008
DOI: 10.1002/pola.22829
Copyright © 2008 Wiley Periodicals, Inc.
Issue
Journal of Polymer Science Part A: Polymer Chemistry
Volume 46, Issue 15, pages 5014–5027, 1 August 2008
Additional Information
How to Cite
Datta, H., Bhowmick, A. K. and Singha, N. K. (2008), Tailor-made hybrid nanostructure of poly(ethyl acrylate)/clay by surface-initiated atom transfer radical polymerization. Journal of Polymer Science Part A: Polymer Chemistry, 46: 5014–5027. doi: 10.1002/pola.22829
Publication History
- Issue published online: 17 JUN 2008
- Article first published online: 17 JUN 2008
- Manuscript Accepted: 28 APR 2008
- Manuscript Received: 24 MAR 2008
Funded by
- DST, New Delhi
Keywords:
- atom transfer radical polymerization (ATRP);
- ethyl acrylate;
- nanocomposites;
- surfaces;
- surface-initiated polymerization
Graphical Abstract
Hybrid nanoarchitecture of tailor-made Poly(ethyl acrylate)/clay was prepared by surface initiated atom transfer radical polymerization (SI-ATRP), by tethering ATRP initiator on to the surface of clay platelets as well as at the hydroxyl terminated edges of the modifier of organo clay (Cloisite 30B). Poly(ethyl acrylate) chains with controlled polymerization and narrow polydispersities were forced to be grown from the clay gallery (intergallery) as well as from the outer surface (extragallery) of the clay platelets. This facilitates in peeling out the clay tactoids, leading to extensive exfoliation.
Abstract
Hybrid nanoarchitecture of tailor-made Poly(ethyl acrylate)/clay was prepared by surface-initiated atom transfer radical polymerization (SI-ATRP), by tethering ATRP initiator on active hydroxyl group, present in surface as well as in the organic modifier of the clay used. Extensive exfoliation was facilitated by using these initiator modified clay platelets. Poly(ethyl acrylate) chains with controlled polymerization and narrow polydispersities were forced to be grown from within the clay gallery (intergallery) as well as from the outer surface (extragallery) of the clay platelets. The polymer chains attached onto clay surfaces might have the potential to provide the composites with enhanced compatibility in blends with common polymers. Attachment of the initiator on clay platelets was confirmed by Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), elemental analysis, Wide-angle X-ray diffraction (WAXD), and microscopic analysis. Finally, end group analysis (by Matrix-Assisted Laser Desorption Ionization Mass Spectrometry, and chain extension experiment) of the cleaved polymer and morphological study (by WAXD, Transmission Electron Microscopy), performed on the polymer grafted clays examined the effect of grafting on the efficiency of polymerization and the degree of dispersion of clay tactoids in polymer. © 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 5014–5027, 2008