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一锅法合成有机硅-聚氨酯杂化泡沫及其与聚氨酯泡沫的阻燃、流变和力学性能比较

One-Pot Synthesis of Silicone-Urethane Hybrid Foam and Comparison of Flame Retardant, Rheological, and Mechanical Properties with Polyurethane Foam.

作者信息

Hwang Sosan, Jeong Hyeon Woo, Kim Asell, Kwan Tae Soon, Jeoung Sun Kyoung, Baeck Sung-Hyeon, Shim Sang Eun, Qian Yingjie

机构信息

Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, NengYuan Street 2, Tianhe District, Guangzhou 510640, China.

Department of Chemistry and Chemical Engineering, Education and Research Center for Smart Energy and Materials, Inha University, Incheon 22212, Republic of Korea.

出版信息

Polymers (Basel). 2025 Aug 29;17(17):2352. doi: 10.3390/polym17172352.

DOI:10.3390/polym17172352
PMID:40942270
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12431564/
Abstract

This study presents the design and fabrication of silicone-urethane hybrid foam (SUF) to improve fire safety in transportation seating. Tin(II) 2-ethylhexanoate (Sn(OCT)) was used to catalyze reactions between bifunctional isocyanates, polyols, and vinyl-terminated PDMS, enabling simultaneous curing and foaming. Sn(OCT) effectively facilitated both the foaming and gelation processes of silicone and urethane chemistries. The resulting SUF demonstrated a 44.55% reduction in peak heat release rate (PHRR) compared to UF, due to the PDMS network's synergistic flame-retardant and barrier effects. Additionally, the crosslinked PDMS structure maintained strong mechanical integrity. This study offers a simple and effective approach for producing SUF with enhanced fire safety.

摘要

本研究介绍了用于提高交通座椅消防安全的硅氧烷 - 聚氨酯混合泡沫（SUF）的设计与制造。使用2-乙基己酸亚锡（Sn（OCT））催化双官能异氰酸酯、多元醇和乙烯基封端的聚二甲基硅氧烷之间的反应，实现同时固化和发泡。Sn（OCT）有效地促进了硅氧烷和聚氨酯化学体系的发泡和凝胶化过程。由于聚二甲基硅氧烷网络的协同阻燃和阻隔作用，所得的SUF与聚氨酯泡沫（UF）相比，峰值热释放速率（PHRR）降低了44.55%。此外，交联的聚二甲基硅氧烷结构保持了强大的机械完整性。本研究提供了一种简单有效的方法来生产具有增强消防安全性能的SUF。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/e4b009434afe/polymers-17-02352-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/eaccb04cb7c9/polymers-17-02352-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/1456c93e46f0/polymers-17-02352-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/c83567d9300a/polymers-17-02352-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/0cf57d8cf52b/polymers-17-02352-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/72d3f1328918/polymers-17-02352-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/ab2f068832a3/polymers-17-02352-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/393eaeffa404/polymers-17-02352-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/f2fbcf70ef67/polymers-17-02352-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/07599927a257/polymers-17-02352-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/e4b009434afe/polymers-17-02352-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/eaccb04cb7c9/polymers-17-02352-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/1456c93e46f0/polymers-17-02352-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/c83567d9300a/polymers-17-02352-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/0cf57d8cf52b/polymers-17-02352-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/72d3f1328918/polymers-17-02352-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/ab2f068832a3/polymers-17-02352-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/393eaeffa404/polymers-17-02352-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/f2fbcf70ef67/polymers-17-02352-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/07599927a257/polymers-17-02352-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7da/12431564/e4b009434afe/polymers-17-02352-g010.jpg

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