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The flame resistance properties of expandable polystyrene foams coated with a cheap and effective barrier layer
Wang, Luyao1,2; Wang, Cheng1,2; Liu, Pingwei1; Jing, Zhijiao1; Ge, Xuesong1; Jiang, Yijun1
2018-07-10
Source PublicationCONSTRUCTION AND BUILDING MATERIALS
ISSN0950-0618
Volume176Pages:403-414
AbstractA cheap and effective flame retarded EPS system was developed by using a high silica content based fly ash (FA) synergistic with aluminum hydroxide (ATH) in the thermosetting phenolic resin (PF) coating layer. In this study, scanning electron microscopy (SEM) and energy-dispersive X-ray (EDX) analyses confirmed the formation of a barrier layer which uniformly encapsulated each EPS microsphere. The flammability of EPS-PF/ATH/FA foam with different compositions were characterized by the limited oxygen index (LOI) and UL-94 vertical burning tests, an evident flame retardant effect has been observed with up to 29.6% LOl value and UL-94 V-0 rating. The cone calorimetric analysis (CONE) indicated that the heat release rate (HRR), total heat release (THR) and smoke production rate (SPR) of the resulting EPS-PF/ATH/FA foam decreased obviously, and the foam maintained structural integrity after combustion. The thermal stability of EPS-PF/ATH/FA foams has been evaluated by the thermogravimetric analysis (TGA). It is obvious that the presence of PF-ATH/FA flame retarded binder has delayed the pyrolysis process of EPS matrix by about 10 degrees C. From analysis conducted on the combusted residues, it can be inferred that the dominant flame retardant action of EPS-PF/ATH/FA foam occurred in the compact char layer, which acted as an effective fire-proofing and heat shielding barrier in the condensed phase. (C) 2018 Published by Elsevier Ltd.
KeywordExpandable polystyrene Phenolic resin Aluminum hydroxide Fly ash Flame resistance Barrier effect
DOI10.1016/j.conbuildmat.2018.05.023
WOS KeywordAMMONIUM POLYPHOSPHATE ; RETARDED POLYSTYRENE ; FIRE RETARDANCY ; PHENOLIC RESINS ; COMPOSITES ; POLYPROPYLENE ; HYDROXIDE ; PARTICLE ; FILLERS
Language英语
Funding Projectlaboratory of Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences ; K.C. Wong Education Foundation ; Youth Innovation Promotion Association of CAS ; Young Taishan Scholars Program of Shandong Province[tsqn20161052] ; Key Basic Research Project of Shandong Natural Science Foundation[ZR201708240147] ; National Natural Science Foundation of China[21433001]
WOS Research AreaConstruction & Building Technology ; Engineering ; Materials Science
Funding Organizationlaboratory of Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences ; K.C. Wong Education Foundation ; Youth Innovation Promotion Association of CAS ; Young Taishan Scholars Program of Shandong Province ; Key Basic Research Project of Shandong Natural Science Foundation ; National Natural Science Foundation of China
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS IDWOS:000435620000040
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/12490
Collection中国科学院青岛生物能源与过程研究所
Corresponding AuthorJiang, Yijun
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Luyao,Wang, Cheng,Liu, Pingwei,et al. The flame resistance properties of expandable polystyrene foams coated with a cheap and effective barrier layer[J]. CONSTRUCTION AND BUILDING MATERIALS,2018,176:403-414.
APA Wang, Luyao,Wang, Cheng,Liu, Pingwei,Jing, Zhijiao,Ge, Xuesong,&Jiang, Yijun.(2018).The flame resistance properties of expandable polystyrene foams coated with a cheap and effective barrier layer.CONSTRUCTION AND BUILDING MATERIALS,176,403-414.
MLA Wang, Luyao,et al."The flame resistance properties of expandable polystyrene foams coated with a cheap and effective barrier layer".CONSTRUCTION AND BUILDING MATERIALS 176(2018):403-414.
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