Resumen
The principle of the method specified is measuring the heat flux supplied to a test sample as a function of time or temperature, while the test sample is subjected to a temperature schedule under a specified atmosphere. A reaction is marked by the release of energy from the sample, resulting in an exothermic peak in the heating curve. Integration of the recorded peak area as a function of time gives a measure of the energy of the reaction. Applies to phenolic resins with exothermic behaviour, such as resols or mixtures of novolaks with hexamethylenetetramine or other curing agents.
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Informaciones generales
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Estado: PublicadoFecha de publicación: 1993-12Etapa: Norma Internacional confirmada [90.93]
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Edición: 1Número de páginas: 7
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Comité Técnico :ISO/TC 61/SC 12ICS :83.080.10
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