Rubber, raw styrene-butadiene, emulsion-polymerized - Determination of bound styrene content - Refractive index method
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.
| SDO | ISO: International Organization for Standardization |
| Document Number | ISO 2453 |
| Publication Date | May 1, 2020 |
| Language | en - English |
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| Supercedes | |
| Committee | ISO/TC 45/SC 3 |
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