Physical and thermal properties of 8MeV electron beam irradiated HPMC polymer films

Sangappa and Demappa, T. and Mahadevaiah and Ganesha, S. and Divakara, S. and Pattabi, Manjunath and Somashekar, R. (2008) Physical and thermal properties of 8MeV electron beam irradiated HPMC polymer films. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 266 (18). 3975 - 3980.

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Official URL: https://doi.org/10.1016/j.nimb.2008.06.021

Abstract

Microstructural modification in hydroxypropyl methylcellulose (HPMC) polymer films induced by electron irradiation is studied. Irradiation was performed in air at room temperature using a 8MeV electron accelerator at doses of 25, 50, 75 and 100kGy. Irradiation can be used to crosslink or degrade the desired component or to fix the polymer morphology. Changes in microstructural parameters, crystallinity and thermal properties in virgin and irradiated HPMC films have been studied using wide angle X-ray scattering data and differential scanning calorimetry. The heat of fusion and the degree of crystallinity are found to be highest for unirradiated HPMC and the crystallite size is larger in virgin HPMC films.

Item Type: Article
Uncontrolled Keywords: Irradiation, Crystallinity, Microstructural parameters
Subjects: D Physical Science > Physics
Divisions: Department of > Physics
Depositing User: Manjula P Library Assistant
Date Deposited: 17 Aug 2019 08:16
Last Modified: 17 Aug 2019 08:16
URI: http://eprints.uni-mysore.ac.in/id/eprint/6502

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