大豆油基聚磷酸铵改性聚氨酯泡沫的制备及其热稳定性和阻燃性能

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-09-08 DOI:10.1515/ipp-2023-4399

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

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引用次数: 1

摘要

以生物质大豆油基多元醇和聚磷酸铵(APP)为原料制备硬质聚氨酯泡沫塑料。通过热重分析、热解动力学分析、极限氧指数(LOI)测试、锥量热法(cone)、扫描电镜(SEM)和烟密度(Ds)等研究了APP对大豆油基多元醇改性RPUFs热稳定性和燃烧性能的影响。结果表明，APP含量为20 wt%的改性RPUF (RPUF- s3 -20)具有最低的质量损失、最高的综合程序分解温度和最高的活化能。此外，RPUF-S3-20具有最低的Ds(30.9)、最高的透光率(61.4 %)、最低的放热率(602.7 kW/m2、506.8 MJ/m2和847.3 kW/m2)和最低的总放热率(18.3 MJ/m2、21.4 MJ/m2和31.4 MJ/m2)，表明RPUF-S3-20具有良好的热稳定性和阻燃性能。本研究结果可为生物基改性制备环境友好型RPUF提供有效参考。

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Fabrication of soybean oil-based polyol modified polyurethane foam from ammonium polyphosphate and its thermal stability and flame retardant properties

Abstract Rigid polyurethane foams (RPUFs) were prepared using biomass soybean oil-based polyol and ammonium polyphosphate (APP) as raw materials. The effects of APP on the thermal stability and combustion performance of soybean oil-based polyol-modified RPUFs were investigated by thermogravimetric analysis, pyrolysis kinetic analysis, limiting oxygen index (LOI) test, cone calorimetry (CONE), scanning electron microscopy (SEM), and smoke density (Ds). The results showed that the modified RPUF with 20 wt% APP (RPUF-S3-20) had the lowest mass loss, the highest integrated programmed decomposition temperature and the highest activation energy. In addition, RPUF-S3-20 had the lowest Ds (30.9), the highest light transmittance (61.4 %), the lowest heat release rate (602.7 kW/m2, 506.8 MJ/m2, and 847.3 kW/m2) and the total heat release (18.3 MJ/m2, 21.4 MJ/m2, and 31.4 MJ/m2), which showed that RPUF-S3-20 had good thermal stability and flame retardant performance. The current results can provide an effective reference for the preparation of environmentally friendly RPUF by bio-based modification.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.