木质素磺酸铵改性聚氨酯泡沫的热稳定性及抑烟效果研究

IF 1.1 4区工程技术 Q4 ENGINEERING, CHEMICAL

International Polymer Processing Pub Date : 2023-08-18 DOI:10.1515/ipp-2023-4378

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

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引用次数: 1

摘要

摘要采用一步水发泡法制备了木质素磺酸铵改性聚氨酯泡沫。通过热重分析、热解动力学分析、烟气密度（Ds）和烟气毒性分析，研究了木质素磺酸铵对其热稳定性和抑烟性能的影响。结果表明，添加15 % 木质素磺酸铵（PUFA15）具有最低的PUFs质量损失和最高的积分程序分解温度（870.8 °C）。根据Flynn Wall Ozawa方法，其活化能最高（110.1 kJ/mol），Kissinger法（181.1 kJ/mol），Starnk法（106.3 kJ/mol）和Coats-Redfern法（149.7 kJ/mol）。此外，PUFA15的Ds最低（34.43），透射率最高（66.74）。这表明PUFA15具有良好的热稳定性和抑烟性能。研究结果对探索生物质改性生产环保PUF具有参考价值。

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

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.

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来源期刊

International Polymer Processing 工程技术-高分子科学

CiteScore

2.20

自引率

7.70%

发文量

审稿时长

6 months

期刊介绍： International Polymer Processing offers original research contributions, invited review papers and recent technological developments in processing thermoplastics, thermosets, elastomers and fibers as well as polymer reaction engineering. For more than 25 years International Polymer Processing, the journal of the Polymer Processing Society, provides strictly peer-reviewed, high-quality articles and rapid communications from the leading experts around the world.