Rubber. Determination of 5-ethylidenenorbornene (ENB) or dicyclopentadiene (DCPD) in ethylenepropylene-diene (EPDM) terpolymers

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-07-2013

Publisher

British Standards Institution

Foreword
1 Scope
2 Principle
3 Apparatus
4 Test specimen preparation
5 Acquisition of spectra
6 Calibration of the spectrophotometer
7 Diene determination
8 Precision
9 Test report
Annex A (normative) - Procedure for spectral
subtraction of water vapour
Annex B (informative) - Precision and bias
Bibliography

Describes the methods to be used to determine the content 5-ethylidenenorbornene (ENB) or dicyclopentadiene (DCPD) in ethylene-propylene-diene (EPDM) terpolymers in the 0,1% to 10% range.

This International Standard specifies the methods to be used to determine the content of 5-ethylidenenorbornene (ENB) or dicyclopentadiene (DCPD) in ethylene-propylene-diene (EPDM) terpolymers in the 0,1% to 10% range.

ENB and DCPD are dienes introduced into ethylene-propylene rubbers to generate specific cure properties. Since high precision for diene content determination is important, a Fourier transform infrared spectroscopic (FT-IR) method is utilized.

NOTE The procedures for the mass fraction of ENB and the mass fraction of DCPD differ only in the location in the infrared (IR) of the peak being quantified.

Committee	PRI/50
DevelopmentNote	Supersedes 00/122200 DC. (05/2002) Supersedes 12/30263490 DC. (07/2013)
DocumentType	Standard
Pages	24
PublisherName	British Standards Institution
Status	Current
Supersedes	12/30263490 DC : 0 00/122200 DC : JUNE 2000 BS ISO 16565:2008

Standards	Relationship
ISO 16565:2013	Identical

ISO/TR 9272:2005

Rubber and rubber products Determination of precision for test method standards

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BS ISO 16565:2013

Rubber. Determination of 5-ethylidenenorbornene (ENB) or dicyclopentadiene (DCPD) in ethylenepropylene-diene (EPDM) terpolymers

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Abstract

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