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 | BSI: British Standards Institution |
| Document Number | ISO 2453 |
| Publication Date | May 6, 2020 |
| Language | en - English |
| Page Count | 18 |
| Revision Level | |
| Supercedes | |
| Committee | PRI/22 |
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