ISO 15064:2017

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Plastics — Aromatic isocyanates for use in the production of polyurethanes — Determination of the isomer ratio in toluenediisocyanate (TDI)

Published By	Publication Date	Number of Pages
ISO	2017-06	16

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Categories: 83.080.10 - Thermosetting materials, ISO

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Description

ISO 15064:2017 specifies methods for the measurement of toluene-2,6-diisocyanate in mixtures of the 2,4- and 2,6-isomers. Two methods based on infrared spectroscopy are used to give accurate results over a broad range of isomer concentrations. Method A is applicable to toluenediisocyanate (TDI) samples containing between 5 % and 95 % of the 2,6-isomer. Method B is applicable to TDI samples containing 0 % to 5 % of the 2,6-isomer. Both methods are based on the quantitative measurement of absorption bands arising from out-of-plane C-H deformation vibrations of the aromatic ring at 810 cm^-1 and 782 cm^-1 (12,3 µm and 13,8 µm).

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2017-06
Pages Count	16
Language	English
Edition	3
File Size	378.9 KB
ICS Codes	83.080.10 - Thermosetting materials

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ISO 15064:2017

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