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ISO 17257:2020 Rubber - Identification of polymers - Pyrolytic gas-chromatographic method using mass-spectrometric detection >
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ISO 17257:2020 Rubber - Identification of polymers - Pyrolytic gas-chromatographic method using mass-spectrometric detection, 2020
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 List of rubbers
- 4.1 Group M
- 4.1.1 Chloropolyethylene (CM)
- 4.1.2 Chlorosulfonylpolyethylene (CSM)
- 4.1.3 Ethylene-propylene copolymer (EPM) and Ethylene-propylene-diene terpolymer (EPDM)
- 4.1.4 Fluorocarbon rubber having substituent fluoro, perfluoroalkyl, or perfluoroalkoxy groups on the polymer chain (FKM)
- 4.2 Group O
- 4.2.1 Homopolymer of epichlorhydrin (CO), copolymer of epichlorhydrin-ethylene oxide (ECO), terpolymer of epichlorhydrin-ethylene oxide-allyl glycidyl ether (GECO)
- 4.3 Group Q
- 4.3.1 Polysiloxanes (MQ, VMQ, PVMQ)
- 4.4 Group R
- 4.4.1 Butadiene rubber (BR)
- 4.4.2 Chloroprene rubber (CR)
- 4.4.3 Isobutene-isoprene rubber (IIR), chlorinated IIR (CIIR) and brominated IIR (BIIR)
- 4.4.4 Natural rubber (NR) and synthetic isoprene rubber (IR)
- 4.4.5 Acrylonitrile-butadiene rubber (NBR), hydrogenated NBR (HNBR) and carboxylated NBR (XNBR)
- 4.4.6 Styrene-butadiene rubber (SBR)
- 4.5 Rubber blends
- 5 Principle
- 6 Reagents
- 7 Equipment
- 8 Operating conditions
- 8.1 General
- 8.2 Gas chromatograph adjustment
- 8.3 Extraction
- 8.4 Test portion
- 8.5 Pyrolysis
- 9 Interpretation of results
- 9.1 General
- 9.2 Group M
- 9.2.1 Chloropolyethylene (CM) and chlorosulfonylpolyethylene (CSM)
- 9.2.2 Ethylene-propylene copolymer (EPM) and Ethylene-propylene-diene terpolymer (EPDM)
- 9.2.3 Fluorocarbon rubber having substituent fluoro, perfluoroalkyl, or perfluoroalkoxy groups on the polymer chain (FKM)
- 9.3 Group O
- 9.3.1 Homopolymer of epichlorhydrin (CO), copolymer of epichlorhydrin-ethylene oxide (ECO), terpolymer of epichlorhydrin-ethylene oxide-allyl glycidyl ether (GECO)
- 9.4 Group Q
- 9.4.1 Polysiloxanes (MQ, VMQ, PVMQ)
- 9.5 Group R
- 9.5.1 Butadiene rubber (BR)
- 9.5.2 Chloroprene rubber (CR)
- 9.5.3 Isobutene-isoprene rubber (IIR), chlorinated IIR (CIIR) and brominated IIR (BIIR)
- 9.5.4 Natural rubber (NR) or synthetic isoprene rubber (IR)
- 9.5.5 Acrylonitrile-butadiene rubber (NBR), hydrogenated NBR (HNBR) and carboxylated NBR (XNBR)
- 9.5.6 Styrene-butadiene rubber (SBR)
- 10 Test report
- Annex A (informative) Schematic diagram of the chromatographic equipment
- Annex B (informative) Examples of operating conditions
- Annex C (informative) Chromatogram examples
- Annex D (informative) Chemical compounds identified in rubber pyrolysates [Go to Page]