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ISO 2453

2nd Edition, July 1991

Complete Document

Rubber, Raw Styrene-Butadiene, Emulsion-Polymerized - Determination of Bound Styrene Content - Refractive Index Method

Includes all amendments and changes through Technical Corrigendum 1, August 15, 2003


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SEE ISO DIS 2453
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Description / Abstract:

This document specifies a method for determining the bound styrene content of emulsion-polymerized styrene-butadiene (SBR) rubbers by correlation with the measured refractive index of an extracted sample according to a table of refractive indices versus percentages by mass 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
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