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.
Status: PublishedPublication date: 2020-05
Edition: 3Number of pages: 10
Technical Committee: ISO/TC 45/SC 3 Raw materials (including latex) for use in the rubber industry
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