Conversion of colloidal aggregates into polymer networks on aging

Jana, Tushar ; Habibur Rahman, M. ; Nandi, Arun K. (2004) Conversion of colloidal aggregates into polymer networks on aging Colloid & Polymer Science, 282 (6). pp. 555-561. ISSN 0303-402X

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After long-term aging, surfactant-mediated colloidal aggregates of sulfonated polyaniline (S-PANI) and poly(vinylidene fluoride) (PVF2) converted into three-dimensional polymer networks, whereas colloidal crystals prepared from pure PVF2 remained unaltered. A model, where the surfactant tails anchored from the colloidal particles interdigitate with time resulting in coalescence of the particles to form the network morphology, has been proposed. X-ray photoelectron spectroscopy (XPS) revealed higher relative abundances of carbon atoms on the surface of the polymer networks than those of the colloidal aggregates, which adequately supports the proposed model.

Item Type:Article
Source:Copyright of this article belongs to Springer.
Keywords:Sulfonated Polyaniline; X-ray Photoelectron Spectroscopy; Scanning Electron Microscopy; Colloidal Aggregates; Polymer Network
ID Code:85349
Deposited On:02 Mar 2012 05:26
Last Modified:02 Mar 2012 05:26

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