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ISO 2453:2020

Rubber, raw styrene-butadiene, emulsion-polymerized — Determination of bound styrene content — Refractive index method ISO 2453:2020

Publication date:   May 5, 2020

General information

60.60 Standard published   May 5, 2020

ISO

ISO/TC 45/SC 3 Raw materials (including latex) for use in the rubber industry

International Standard

83.040.10   Latex and raw rubber

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Scope

This document specifies a method for determining the bound styrene content of emulsion-polymerized styrene-butadiene rubbers (SBR) by correlation with the measured refractive index of an extracted sample according to a table of refractive indices versus percentage mass fractions styrene.
The method is also applicable to extracted oil-extended emulsion-polymerized SBR as long as it produces a film suitable for refractive index measurements. It is not applicable to solution-polymerized SBR.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 2453:1991

WITHDRAWN
ISO 2453:1991/Cor 1:2003

NOW

PUBLISHED
ISO 2453:2020
60.60 Standard published
May 5, 2020