ISO 4764:2024

International Standard   Current Edition · Approved on 16 September 2024

Plastics — Polyols for use in the production of polyurethanes — Determination of degree of unsaturation by using iodine method

ISO 4764:2024 Files

English 9 Pages
Current Edition
OMR 31.88

ISO 4764:2024 Scope

This document specifies a method for quantifying the total unsaturation using an addition reaction of the interhalogen compound iodine monochloride (ICl), using glacial acetic acid as a solvent as a method for measuring the total unsaturation of a polyether polyol for polyurethanes. It is not applicable to unsaturated compounds that are conjugated with a carbonyl group, a carboxyl group, or a nitrile group.

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