ISO 15064:2017
Current
The latest, up-to-date edition.
Plastics — Aromatic isocyanates for use in the production of polyurethanes — Determination of the isomer ratio in toluenediisocyanate (TDI)
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30-06-2017
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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).
| DevelopmentNote |
Supersedes ISO/DIS 15064. (07/2017)
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| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
International Organization for Standardization
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| Status |
Current
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| Supersedes |
| Standards | Relationship |
| BS ISO 15064:2010 | Identical |
| NEN ISO 15064 : 2010 | Identical |
| BS ISO 15064:2017 | Identical |
| ASTM D 4660 : 2012-06 | TEST METHODS FOR POLYURETHANE RAW MATERIALS: DETERMINATION OF THE ISOMER CONTENT OF TOLUENEDIISOCYANATE |
| ISO 4787:2010 | Laboratory glassware Volumetric instruments Methods for testing of capacity and for use |
| ISO 648:2008 | Laboratory glassware — Single-volume pipettes |
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