Aktívna norma | Vydaná: 09.12.1993

ISO 11409:1993

Plastics — Phenolic resins — Determination of heats and temperatures of reaction by differential scanning calorimetry
(Plastiques — Résines phénoliques — Détermination des chaleurs et températures de réaction par calorimétrie différentielle a balayage)

Dostupné jazyky: Anglicky, Francúzsky

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Podrobné informácie

Označenie: ISO 11409:1993

Dátum vydania: 09.12.1993

Stránok: 7

Krajina: Medzinárodná technická norma

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Anotácia

Description / Abstract: 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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