ISO 15064:2017
Plastics — Aromatic isocyanates for use in the production of polyurethanes — Determination of the isomer ratio in toluenediisocyanate (TDI)
OVERVIEW
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).
COMMENTS
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PRODUCT DETAILS
| Status | Current |
|---|---|
| Edition | 2017 |
| No. of Pages | 10 |
| ICS Classification | 83.080.10 Thermosetting materials |
| Committee | ISO/TC 61/SC 12 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |