ISO - 4504
Plastics — Polyethylene (PE) — Determination of co-monomer content by solution state 13C-NMR spectrometry
active, Most Current
| Organization: | ISO |
| Publication Date: | 1 June 2023 |
| Status: | active |
| Page Count: | 30 |
| ICS Code (Thermoplastic materials): | 83.080.20 |
scope:
This document specifies two methods for the determination of co-monomer contents of polyethylene products by solution state 13C-NMR spectrometry (nuclear magnetic resonance spectrometry):
- method A: inverse gated decoupling method.
- method B: insensitive nuclei enhanced by polarization transfer method;
This document is applicable to copolymers of ethylene having a content of other 1-olefinic monomers of less than a mass fraction of 50 %.
This document is not applicable to ethylene homopolymers or copolymers in which ethylene is polymerized with two or more type 1-olefin comonomers.
Document History
4504
June 1, 2023
Plastics — Polyethylene (PE) — Determination of co-monomer content by solution state 13C-NMR spectrometry
This document specifies two methods for the determination of co-monomer contents of polyethylene products by solution state 13C-NMR spectrometry (nuclear magnetic resonance spectrometry):
— method...