BS ISO 21561-2:2024
$102.76
Styrene-butadiene rubber (SBR). Determination of the microstructure of solution-polymerized SBR – Fourier transform infrared spectrometry (FTIR) with attenuated total reflection (ATR) method
| Published By | Publication Date | Number of Pages |
| BSI | 2024 | 22 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 8 | 4 Principle 5 Apparatus 6 Calibration 6.1 FTIR 6.2 ATR 7 Sampling |
| 9 | 8 Procedure for measuring ATR spectrum 9 Determination of the microstructure of butadiene and the styrene content 9.1 Measurement of the absorbance for each microstructure component |
| 10 | 9.2 Calculation of microstructures 9.2.1 General 9.2.2 Base line correction of each absorbance peak |
| 11 | 9.2.3 Ratio of absorbance 9.2.4 Second order terms 9.2.5 Styrene content and contents of three microstructure types of butadiene portion by regression formulae |
| 12 | 9.2.6 Contents of three microstructure types relative to butadiene portion in the S-SBR 10 Precision 11 Test report |
| 13 | Annex A (informative) Precision results from an interlaboratory test programme |
| 16 | Annex B (informative) Acquisition of regression formulae for microstructure |
| 18 | Annex C (informative) Determination of microstructure by NMR spectrometry |
| 21 | Bibliography |
