Morphology of polymer-salt complex films crossover from fractal to compact aggregation

Bhattacharyya, Aninda Jiban ; Banerjee, S. ; Middya, T. R. ; Tarafdar, S. (1998) Morphology of polymer-salt complex films crossover from fractal to compact aggregation Fractals: Complex Geometry, Patterns, and Scaling in Nature and Society, 06 (03). pp. 285-292. ISSN 0218-348X

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Official URL: http://www.worldscientific.com/doi/abs/10.1142/S02...

Related URL: http://dx.doi.org/10.1142/S0218348X9800033X

Abstract

In this paper we present a study of the variation of morphology of polyethylene oxide (PEO) films complexed with ammonium perchlorate (NH4ClO4) formed by evaporating a methanolic solution. Films with salt concentration x = 0 - 0.35 (x is the weight fraction of salt) were prepared for the morphology study. The wide varitey of structures obtained were systematically studied by photographs and polarizing microscopy. Some preliminary studies of x-ray diffraction, differential scanning calorimetry and variable temperature polarizing microscopy have also been done to identify the various phases present in the films.

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