N-(N-丁基)硫代磷三酰胺改性阻燃抑烟硅油的制备及性能研究

IF 2.8 4区 化学 Q3 POLYMER SCIENCE
Rui Zhang, Haihong Ma, Zhengfa Zhou, Weibing Xu, Fengmei Ren
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引用次数: 0

摘要

以正丁基硫代磷三胺(NBPT)和环氧化硅油(ETSO)为原料,合成了含氮、磷、硫的改性硅油,命名为NBSO。通过傅里叶红外光谱(FT-IR)和核磁共振光谱(NMR)证实了NBSO的成功合成。采用明火点火法和锥量热法(CCT)研究了NBSO的阻燃抑烟性能。结果表明,当NBPT与ETSO的摩尔比为1:1时,改性硅油的火焰高度显著降低,与ETSO相比,NBSO的总放烟量(TSR)和总放热量(THR)分别降低了67.6%和68%。采用热重分析(TGA)、红外热重耦合(TG-IR)、热场发射扫描电镜(SEM)和x射线光电子能谱(XPS)技术分析了阻燃抑烟机理。结果表明,与ETSO相比。NBSO具有较慢的热分解速率和释放较少的可燃气体。在凝聚相中,氮、磷、硅、硫通过协同作用提高了碳的形成能力。同时,在碳层外表面形成氧化硅层,增加了阻燃抑烟效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Preparation and properties of flame retardant and smoke suppressive silicone oil modified by N-(N-butyl) thiophosphoric triamide

Preparation and properties of flame retardant and smoke suppressive silicone oil modified by N-(N-butyl) thiophosphoric triamide

Preparation and properties of flame retardant and smoke suppressive silicone oil modified by N-(N-butyl) thiophosphoric triamide

A modified silicone oil containing nitrogen, phosphorus, and sulfur was synthesized by the reaction of n-butyl thiophosphoric triamine (NBPT) and epoxidized silicone oil (ETSO), and named NBSO. The successful synthesis of NBSO was confirmed by Fourier infrared spectroscopy (FT-IR) and nuclear magnetic resonance spectroscopy (NMR). The flame retardant and smoke suppression properties of NBSO were investigated by open flame ignition method and cone calorimetry test (CCT). The results showed when the molar ratio of NBPT to ETSO was 1:1, the flame height of the modified silicone oil was significantly reduced, and compared with ETSO, the total smoke release (TSR) and the total heat release (THR) of NBSO was reduced by 67.6% and 68%, respectively. Thermogravimetric analysis (TGA), infrared thermogravimetric coupling (TG-IR), thermal field emission scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS) techniques were used to analyze the mechanism of flame retardant and smoke inhibition. The results indicate that compared with ETSO. NBSO has a slower thermal decomposition rate and releases less flammable gas.In the condense phase, nitrogen, phosphorus, silicon, and sulfur could improve the carbon forming ability through synergistic effect. At the same time, a silicon oxide layer was formed on the outer surface of the carbon layer, which could increase the flame retardation and smoke suppressing effect.

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来源期刊
Journal of Polymer Research
Journal of Polymer Research 化学-高分子科学
CiteScore
4.70
自引率
7.10%
发文量
472
审稿时长
3.6 months
期刊介绍: Journal of Polymer Research provides a forum for the prompt publication of articles concerning the fundamental and applied research of polymers. Its great feature lies in the diversity of content which it encompasses, drawing together results from all aspects of polymer science and technology. As polymer research is rapidly growing around the globe, the aim of this journal is to establish itself as a significant information tool not only for the international polymer researchers in academia but also for those working in industry. The scope of the journal covers a wide range of the highly interdisciplinary field of polymer science and technology, including: polymer synthesis; polymer reactions; polymerization kinetics; polymer physics; morphology; structure-property relationships; polymer analysis and characterization; physical and mechanical properties; electrical and optical properties; polymer processing and rheology; application of polymers; supramolecular science of polymers; polymer composites.
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