Active standard | Published: 14/02/2014

ISO 25761:2014-ed.2.0

Plastics — Polyols for use in the production of polyurethanes — Determination of basicity (total amine value), expressed as percent nitrogen
(Plastiques — Polyalcools utilisés pour la production de polyuréthannes — Détermination de la basicité (valeur totale d´amines) en pourcentage d´azote)

Available languages: English

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Detail information

Designation: ISO 25761:2014-ed.2.0

Publication date: 14/02/2014

Pages: 7

Country: International technical standard

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Description / Abstract: The method specified in ISO 25761:2014 measures the basic constituents in polyols that are soluble in glacial acetic acid and reactive with perchloric acid. Samples containing 0,3 % to 10 % of nitrogen have been evaluated by this method. The method is applicable to amine-based polyols, polyether polyols and polyether polyol blends that are used in polyurethane reactions. The results are measures of batch-to-batch uniformity and may be used to estimate reactivity in polyurethane reactions.

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