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SRPS ISO 11236:2019

Rubber compounding ingredients — p-Phenylenediamine antidegradants (PPDs) — Test methods

Jan 31, 2019

General information

90.93     Jul 1, 2022

90.20    Jul 15, 2027

ISS

G045

International Standard

83.040.20  

English  

Van Plana 2018

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Published

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Scope

ISO 11236:2017 applies to a variety of substituted p-phenylenediamine antidegradants (PPDs) used in the rubber industry. The three general classes of PPDs are dialkyl, alkyl-aryl and diaryl, which are used to impart ozone resistance to rubber.
The following test methods are of greatest significance in assessing the purity of production PPDs, and hence their suitability for use in rubber. They are specified in this document as follows:
- determination of purity by gas chromatography (GC);
- determination of purity by high-performance liquid chromatography (HPLC);
- determination of ash;
- determination of volatile matter.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS ISO 11236:2014

NOW

PUBLISHED
SRPS ISO 11236:2019
90.93 Standard confirmed
Jul 1, 2022

Related project

Adopted from ISO 11236:2017