Summary
Even relatively crude methods of thermal analysis, typified by scaleless ordinales, have proved of great value in polymer characterisation; the presence or absence of a peak is often sufficient to infer what structure is present and hence what the ultimate properties will be. However, most problems cannot be solved by such simple ‘yes/no’ techniques and must be tackled by careful examination of changes in the magnitude of thermal events as a function of pre-treatment. In this chapter, requirements for quantitative differential calorimetry are discussed with special reference to the thermodynamic significance of the results. In this way it is possible to eliminate the confusing effects of rate on the glass transition so that attention can be focused on the effects of processing variables. When crystalline polymers are considered, meaningful crystallinities can only be obtained when the effects of temperature on the heat of fusion and crystallinity are recognised.
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Richardson, M.J. (1978). Quantitative Differential Scanning Calorimetry. In: Dawkins, J.V. (eds) Developments in Polymer Characterisation—1. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9646-5_7
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DOI: https://doi.org/10.1007/978-94-009-9646-5_7
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