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  • BSI
    19/30391462 DC BS ISO 23706. Plastics. Determination of apparent activation energies of property changes in standard weathering test methods
    Edition: 2019
    $44.66
    / user per year

Description of 19/30391462 DC 2019

This document describes a test method to determine the activation energy (Ea) of photochemical degradation reactions in accelerated weathering tests according to the Arrhenius model in the most comprehensive manner.

The determination of activation energies of photo-chemical degradation processes allows including the temperature into the evaluation and correlation of different weathering experiments as quantitative factor. Knowing the activation energy will improve the reliability and predictive value of artificial weathering.

NOTE

The use of the Arrhenius concept in artificial weathering simplifies complex chemical degradation processes and is therefore in this context a limited model to estimate the temperature dependency in weathering. However, bye following some basic experimental preconditions, the relevance of the estimates can be increased.



Standard Number19/30391462 DC
TitleBS ISO 23706. Plastics. Determination of apparent activation energies of property changes in standard weathering test methods
StatusDefinitive
Publication Date2019-10-28
Identical National Standard OfISO/DIS 23706
DescriptorsPlastics, Test methods, Weathering, Weathering tests, Temperature
ICS83.080.01 Plastics in general
CommitteePRI/21
PublisherBSI
Pages25

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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