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Homepage>ISO Standards>ISO 4764:2024-Plastics — Polyols for use in the production of polyurethanes — Determination of degree of unsaturation by using iodine method
download between 0-24 hoursReleased: 2024
ISO 4764:2024-Plastics — Polyols for use in the production of polyurethanes — Determination of degree of unsaturation by using iodine method

ISO 4764:2024

ISO 4764:2024-Plastics — Polyols for use in the production of polyurethanes — Determination of degree of unsaturation by using iodine method

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Standard´s number:ISO 4764:2024
Pages:9
Edition:1
Released:2024
Language:English
DESCRIPTION

ISO 4764:2024


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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