基于海藻酸钠和二乙基亚磷酸铝的阻燃和抑烟硬质聚氨酯泡沫。

IF 1.8 4区 化学 Q3 POLYMER SCIENCE
Wei Zhang, Zidong Zhao, Yun Lei
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引用次数: 15

摘要

为了提高硬质聚氨酯泡沫塑料(RPUF)的阻燃性能和热性能,提出了海藻酸钠(SA)、亚磷酸二乙铝(ADPO2)和可膨胀石墨(EG)的阻燃性能。首先,通过扫描电镜(SEM)对具有或不具有阻燃性的RPUF的结构进行了验证。此外,通过热重分析(TGA)、极限氧指数(LOI)测试和UL-94测试,对阻燃聚氨酯的燃烧性能和热性能进行了评价。结果表明,RPUF/5ADPO2/7.5SA/7.5EG具有优异的热力学性能。热释放率(HRR)、总放热率(THR)、总产烟率(TSP)和产烟率(SPR)的结果可以证明聚氨酯的抑烟和阻燃性。RPUF/ADPO2/SA/EG体系在聚氨酯中表现出优异的阻燃性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Flame retardant and smoke-suppressant rigid polyurethane foam based on sodium alginate and aluminum diethylphosphite.

Flame retardant and smoke-suppressant rigid polyurethane foam based on sodium alginate and aluminum diethylphosphite.

Flame retardant and smoke-suppressant rigid polyurethane foam based on sodium alginate and aluminum diethylphosphite.

Flame retardant and smoke-suppressant rigid polyurethane foam based on sodium alginate and aluminum diethylphosphite.

In order to improve the flame-retardant effect and thermal behaviour of rigid polyurethane foam (RPUF), the flame retardancy of sodium alginate (SA), aluminium diethyl phosphite (ADPO2) and expandable graphite (EG) were proposed. First, the structures of RPUF with or without flame retardancy were confirmed by scanning electron microscopy (SEM). Additionally, the combustion behaviours and thermal performance of the flame-retardant polyurethane were evaluated through thermogravimetric analysis (TGA), limiting oxygen index (LOI) tests, and UL-94 tests. Finally, the cone calorimeter results reveled the RPUF/5ADPO2/7.5SA/7.5EG exhibit excellent thermodynamic properties. The results of the heat release rate (HRR), total heat release (THR), total smoke production (TSP), and smoke production rate (SPR) could demonstrate the smoke-suppressant and flame-retardant of polyurethane. The system of RPUF/ADPO2/SA/EG showed excellent flame-retardant in polyurethane.

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来源期刊
Designed Monomers and Polymers
Designed Monomers and Polymers 化学-高分子科学
CiteScore
3.30
自引率
0.00%
发文量
28
审稿时长
2.1 months
期刊介绍: Designed Monomers and Polymers ( DMP) publishes prompt peer-reviewed papers and short topical reviews on all areas of macromolecular design and applications. Emphasis is placed on the preparations of new monomers, including characterization and applications. Experiments should be presented in sufficient detail (including specific observations, precautionary notes, use of new materials, techniques, and their possible problems) that they could be reproduced by any researcher wishing to repeat the work. The journal also includes macromolecular design of polymeric materials (such as polymeric biomaterials, biomedical polymers, etc.) with medical applications. DMP provides an interface between organic and polymer chemistries and aims to bridge the gap between monomer synthesis and the design of new polymers. Submssions are invited in the areas including, but not limited to: -macromolecular science, initiators, macroinitiators for macromolecular design -kinetics, mechanism and modelling aspects of polymerization -new methods of synthesis of known monomers -new monomers (must show evidence for polymerization, e.g. polycondensation, sequential combination, oxidative coupling, radiation, plasma polymerization) -functional prepolymers of various architectures such as hyperbranched polymers, telechelic polymers, macromonomers, or dendrimers -new polymeric materials with biomedical applications
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