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Novel PEPA-functionalized graphene oxide for fire safety enhancement of polypropylene
Xu, Jia You1; Liu, Jie1,2; Li, Kai Dan1; Miao, Lei3; Tanemura, Sakae3
2015-04-01
Source PublicationSCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
Volume16Issue:2
AbstractPolypropylene (PP) is a general-purpose plastic, but some applications are constrained by its high flammability. Thus, flame retardant PP is urgently demanded. In this article, intumescent flame retardant PP (IFRPP) composites with enhanced fire safety were prepared using 1-oxo-4-hydroxymethyl-2,6,7-trioxa-1-phosphabicyclo [2.2.2] octane (PEPA) functionalized graphene oxide (PGO) as synergist. The PGO was prepared through a mild chemical reaction by the covalent attachment of a cagedstructure organic compound, PEPA, onto GO nanosheets using toluene diisocynate (TDI) as the intermediary agent. The novel PEPA-functionalized graphene oxide not only improves the heat resistance of GO but also converts GO and PEPA from hydrophobic to hydrophilic materials, which leads to even distribution in PP. In our case, 7 wt% addition of PGO as one of the fillers for IFRPP composites significantly reduces its inflammability and fire hazards when compared with PEPA, by the improvement of first release rate peak (PHRR), total heat release, first smoke release rate peak (PSRR) and total smoke release, suggesting its great potential as the IFR synergist in industry. The reason is mainly attributed to the barrier effect of the unburned graphene sheets, which protects by the decomposition products of PEPA and TDI, promotes the formation of graphitized carbon and inhibits the heat and gas release.
SubtypeArticle
KeywordGraphene Oxide Fire Safety Polypropylene Pepa Intumescent Flame Retardant
WOS HeadingsScience & Technology ; Technology
DOI10.1088/1468-6996/16/2/025006
WOS Subject ExtendedMaterials Science
WOS KeywordINTUMESCENT FLAME-RETARDANT ; CAGED BICYCLIC PHOSPHATE ; THERMAL-PROPERTIES ; GRAPHITE OXIDE ; MECHANICAL-PROPERTIES ; CHEMICAL-REDUCTION ; CHARRING AGENT ; NANOCOMPOSITES ; POLYETHYLENE ; NANOMATERIALS
Indexed BySCI
Language英语
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000353641100017
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/9084
Collection中国科学院广州能源研究所
太阳能系统应用实验室
Affiliation1.Guangzhou Univ, Sch Chem & Chem Engn, Guangzhou 510006, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
3.Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guangxi Collaborat Innovat Ctr Struct & Property, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China
Recommended Citation
GB/T 7714
Xu, Jia You,Liu, Jie,Li, Kai Dan,et al. Novel PEPA-functionalized graphene oxide for fire safety enhancement of polypropylene[J]. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS,2015,16(2).
APA Xu, Jia You,Liu, Jie,Li, Kai Dan,Miao, Lei,&Tanemura, Sakae.(2015).Novel PEPA-functionalized graphene oxide for fire safety enhancement of polypropylene.SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS,16(2).
MLA Xu, Jia You,et al."Novel PEPA-functionalized graphene oxide for fire safety enhancement of polypropylene".SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 16.2(2015).
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