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
USD
84.3
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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