International Standard
ISO 15064:2017
Plastics — Aromatic isocyanates for use in the production of polyurethanes — Determination of the isomer ratio in toluenediisocyanate (TDI)
Reference number
ISO 15064:2017
Edición 3
2017-06
International Standard
Vista previa
ISO 15064:2017
70269
No disponible en español
Publicado (Edición 3, 2017)
Esta norma se revisó y confirmó por última vez en 2022. Por lo tanto, esta versión es la actual.

ISO 15064:2017

ISO 15064:2017
70269
Idioma
Formato
CHF 63
Convertir Franco suizo (CHF) a tu moneda

Resumen

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).

Informaciones generales

  •  : Publicado
     : 2017-06
    : Norma Internacional confirmada [90.93]
  •  : 3
     : 10
  • ISO/TC 61/SC 12
    83.080.10 
  • RSS actualizaciones

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