ISO 11236:2017 PDF

Scope: This document 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.

ISO 11236:2017 Referenced Document

ISO 1042 Laboratory glassware - One-mark volumetric flasks
ISO 15528 Paints, varnishes and raw materials for paints and varnishes — Sampling*， 2020-05-13 Update
ISO 1772 Laboratory crucibles in porcelain and silica

2017 ISO 11236:2017 Rubber compounding ingredients — p-Phenylenediamine antidegradants (PPDs) — Test methods
2006 ISO 11236:2000/cor 1:2006 Rubber compounding ingredients - p-Phenylenediamine (PPD) antidegradants - Test methods; Technical Corrigendum 1
2000 ISO 11236:2000 Rubber compounding ingredients - p-Phenylenediamine (PPD) antidegradants - Test methods