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sklademVydáno: 2020-05-06
BS ISO 2453:2020
Rubber, raw styrene-butadiene, emulsion-polymerized. Determination of bound styrene content. Refractive index method
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| Označení normy: | BS ISO 2453:2020 |
| Počet stran: | 18 |
| Vydáno: | 2020-05-06 |
| ISBN: | 978 0 580 98076 3 |
| Status: | Standard |
DESCRIPTION
BS ISO 2453:2020
This standard BS ISO 2453:2020 Rubber, raw styrene-butadiene, emulsion-polymerized. Determination of bound styrene content. Refractive index method is classified in these ICS categories:
- 83.040.10 Latex and raw rubber
- 83.060 Rubber
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.