Thermoanalytical procedures to identify the morphology of polycrystalline materials |
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Authors: | J. S. Crighton A. S. Luyt |
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Affiliation: | (1) Department of Textile Industries, University of Leeds, LS2 9JT Leeds, UK;(2) Present address: Vista University, Private Bag X03, 2013 Betsham, RSA |
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Abstract: | Polypropylenes of differing morphologies were examined by differential thermal analysis. The problems of reordering during the programmed heating are discussed. Four potential procedures by which the reordering could be inhibited are considered, and three of these are experimentally assessed. Their advantages and deficiencies are identified. Two pretreatments, an etching and a crosslinking, are recognised as able to qualitatively characterise the initial morphology, with a preference for the former. A test to identify the occurrence of reordering is identified. In celebration of the 60th birthday of Dr. Andrew K. Galwey |
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Keywords: | DTA morphology of polycrystalline materials reorganisation |
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