BS ISO 23075:2021
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22-04-2021
This document describes a procedure for the determination of the following antidegradants in vulcanized rubbers: aminoketone group; naphthylamine group; diphenylamine group; p-phenylenediamine; monophenol group. The groups of antidegradants are summarized in TableA.1 with the chemical names, the abbreviated terms and the CAS registry numbers.Extender oils, when present, can interfere.For poly-2,2,4-trimethyl-1,2-dihydroquinoline, the method provides only an approximation because of its polymeric nature.
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