ISO 11358-2:2021

Plastics — Thermogravimetry (TG) of polymers — Part 2: Determination of activation energy

Publication date: Jan 29, 2021

General information

Current stage: 90.20 Effective date: Jan 15, 2026

Originator: ISO

Owner: ISO/TC 61/SC 5

Type: International Standard

ICS: 83.080.01

Languages: English

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Status: Published

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Scope

This document specifies a method for the determination of the activation energy, Ea, in the Arrhenius formula for the decomposition of polymers using a thermogravimetric technique. The method is applicable only if the reaction proceeds by a single mechanism. It is applicable to multistage reactions if they consist of clearly separated single-stage steps.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11358-2:2014

NOW

PUBLISHED
ISO 11358-2:2021
90.20 Standard under periodical review
Jan 15, 2026

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