Reference number
ISO 15064:2010
© ISO 2025
ISO 15064:2010
Plastics — Aromatic isocyanates for use in the production of polyurethanes — Determination of the isomer ratio in toluenediisocyanate
Edition 2
2010-12
Withdrawn
Withdrawn (Edition 2, 2010)

Abstract

ISO 15064:2010 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 required to give accurate results over a broad range of isomer concentrations. Method A is applicable to TDI samples containing 5 % to 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.

General information

  • Status
     : Withdrawn
    Publication date
     : 2010-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 2
    Number of pages
     : 10
  • Technical Committee :
    ISO/TC 61/SC 12
    ICS :
    83.080.10 
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