Study on the thermal stability and smoke suppressant effect of polyurethane foam modified by ammonium lignosulfonate

Xu Zhang; Dehe Yuan; Simiao Sun; Zhi Wang; Hua Xie; Zhanpeng Su

doi:10.1515/ipp-2023-4378

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Study on the thermal stability and smoke suppressant effect of polyurethane foam modified by ammonium lignosulfonate

Xu Zhang , Dehe Yuan , Simiao Sun , Zhi Wang , Hua Xie und Zhanpeng Su

Veröffentlicht/Copyright: 18. August 2023

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Abstract

The modified polyurethane foam (PUF) with ammonium lignosulfonate was prepared by one-step water foaming method. The effects of ammonium lignosulfonate on its thermal stability and smoke suppression were investigated by thermogravimetric analysis, pyrolysis kinetics analysis, smoke density (Ds) and smoke toxicity analysis. The results showed that the addition of 15 % ammonium lignosulfonate (PUFA15) had the lowest mass loss of PUFs and the highest integral programmed decomposition temperature (870.8 °C). Its activation energy was the highest according to the Flynn-Wall-Ozawa method (110.1 kJ/mol), Kissinger method (181.1 kJ/mol), Starnk method (106.3 kJ/mol) and Coats-Redfern method (149.7 kJ/mol). In addition, PUFA15 had the lowest Ds (34.43) and the highest transmittance (66.74). This indicated that PUFA15 had good thermal stability and smoke suppression properties. The research results had a reference value for exploring the production of environmentally friendly PUF by biomass modification.

Keywords: ammonium lignosulfonate; polyurethane foams; smoke suppressant; thermal stability

Corresponding author: Xu Zhang, Liaoning Key Laboratory of Aircraft Fire Explosion Control and Reliability Airworthiness Technology, Shenyang Aerospace University, Shenyang 110136, China; and School of Safety Engineering, Shenyang Aerospace University, Shenyang 110136, China, E-mail: xuzhang@sau.edu.cn

Research ethics: Not applicable.
Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
Conflict of interest statement: The authors state no conflict of interest.
Research funding: The financial support from Scientific Research Fund of Liaoning Provincial Education Department (Grant No. JYT2020011) is greatly acknowledged.
Data availability: The raw data can be obtained on request from the corresponding author.

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Received: 2023-04-10

Accepted: 2023-07-21

Published Online: 2023-08-18

Published in Print: 2024-03-25

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https://doi.org/10.1515/ipp-2023-4378

Schlagwörter für diesen Artikel

ammonium lignosulfonate; polyurethane foams; smoke suppressant; thermal stability