Kinetics Study on Burning Performance of Polyurethane Foam

Yan Min Zheng; Jun Hui Zhang; Zhao Gui Su

doi:10.4028/www.scientific.net/AMM.174-177.429

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 174-177Kinetics Study on Burning Performance of...

Kinetics Study on Burning Performance of Polyurethane Foam

Abstract:

This article uses the thermal analysis to study the kinetics characteristics of Polyurethane foam. The partially oxidized and non oxidized materials were used to study the variation of reaction of the smoldering, and the mechanism of function and activation energy of two substances was obtained. The result show that the oxygenolysis of the non oxidized Polyurethane foam belongs to the second-level chemical reaction, while the oxygenolysis of partially oxidized belongs to the first-level chemical reaction; the oxidization reaction of Polyurethane foam is a process which have lots of reaction steps to mutual promote as well as connection with each steps ; Through the smoldering experiment verify that the response characteristics of the two substances under the same heat flux to a certain extent, and the results agree well with the calculated activation energy.

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Periodical:

Applied Mechanics and Materials (Volumes 174-177)

Pages:

429-432

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.174-177.429

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Online since:

May 2012

Authors:

Yan Min Zheng, Jun Hui Zhang, Zhao Gui Su

Keywords:

Mechanism Function, Polyurethane Foam, Reaction Kinetics, Smoldering

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