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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/2367
Title: Studies on the miscibility of blends of polychloroprene and poly(ethylene-methyl acrylate) copolymer
Authors: Kundu P.P.
Tripathy D.K.
Banerjee S.
Published in: Polymer
Abstract: Studies on blends of polychloroprene (CR) and poly(ethylene-methyl acrylate) copolymer (PEMA) have been carried out with respect to their miscibility. Irrespective of the methods of measurement used, such as differential scanning calorimetry (d.s.c.) or dynamic mechanical analysis (d.m.a.), these blends show a single glass transition temperature and also obey the Fox law. The crystallinity, measured by wide-angle X-ray diffraction (WADX), as well as the crystalline melting temperature (from d.s.c. and d.m.a.), decreases with the increasing CR content of the blends. The lowering of the crystalline melting temperature of PEMA leads to a negative interaction parameter between PEMA and CR. The miscibility of the PEM A/CR blends has also been investigated by using Fourier transform infra-red (FT i.r.) spectroscopy. A lowering of the CH3 asymmetric stretching frequency of PEMA with an increasing amount of CR in the PEMA/CR blends indicates a dipolar interaction between the polar methyl acrylate and chloride groups. Examination of the cryogenically fractured surfaces using scanning electron microscopy (SEM) shows that the blends of PEMA and CR are well dispersed. These studies confirm the miscibility of PEMA and CR for all of the blend compositions. Copyright © 1996 Elsevier Science Ltd.
Citation: Polymer (1996), 37(12): 2423-2431
URI: https://doi.org/10.1016/0032-3861(96)85354-7
http://repository.iitr.ac.in/handle/123456789/2367
Issue Date: 1996
Publisher: Elsevier BV
Keywords: Blend composition
CR/PEMA blends
Miscibility
ISSN: 323861
Author Scopus IDs: 35475516300
7102699027
56424674800
Author Affiliations: Kundu, P.P., Rubber Technology Centre, Indian Institute of Technology, Kharagpur 721302, India
Tripathy, D.K., Rubber Technology Centre, Indian Institute of Technology, Kharagpur 721302, India
Banerjee, S., Defence R. and D. Establishment, Jhansi Road, Gwalior 474002, India
Corresponding Author: Tripathy, D.K.; Rubber Technology Centre, Indian Institute of Technology, Kharagpur 721302, India
Appears in Collections:Journal Publications [CH]

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