CAS OpenIR
High-performance, multi-functional and well-dispersed graphene/epoxy nanocomposites via internal antiplasticization and x-xF interactions
Ma, Tian1; Ma, Jiahao1; Yang, Chao2; Zhang, Junying1; Cheng, Jue1
2021-10-20
Source PublicationCOMPOSITES SCIENCE AND TECHNOLOGY
ISSN0266-3538
Volume215Pages:8
AbstractIt is a longstanding challenge for epoxy-based nanocomposites to optimize the dispersity of graphene so as to improve the mechanical properties and endow more functions. Non-covalent functionalization of graphene via dispersants is a crucial strategy to achieve well-dispersion, which can maintain the original physical/chemical properties. However, the reported dispersants significantly reduce mechanical properties of matrix and their stable graphene concentration is limited. Herein, 2,3,5,6-tetrafluorobenzyloxyglycidyl ether (TFGE) is synthesized and used as a dispersant to realize non-covalent functionalization of graphene, which can further improve the interface, dispersity and loading of graphene via x-xF interactions between tetrafluorophenyl and graphene, compared with x-x interactions. Moreover, TFGE can simultaneously reinforce and toughen the matrix via internal antiplasticization. The well-designed epoxy-based nanocomposite with ultralow graphene loading (less than 0.03 wt%) shows outstanding mechanical and thermomechanical properties, photo/thermochromic ability, light absorption, flame resistance as well as adhesive strength. This facile strategy provides an efficient guideline for better design and large-scale preparation of high-performance and multi-functional graphene/epoxy nanocomposites applied in adhesive, coating, anti-fake and structural materials.
KeywordGraphene epoxy nanocomposites Internal antiplasticization x-xF interactions High-performance Well-dispersion
DOI10.1016/j.compscitech.2021.109008
Language英语
WOS KeywordEPOXY NETWORKS ; DANGLING CHAINS ; FUNCTIONALIZATION ; DERIVATIVES ; COMPOSITES ; THERMOSETS ; MORPHOLOGY ; SEPARATION ; BEHAVIORS ; COVALENT
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Composites
WOS IDWOS:000694734200005
PublisherELSEVIER SCI LTD
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/50171
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Junying; Cheng, Jue
Affiliation1.Beijing Univ Chem Technol, Key Lab Carbon Fiber & Funct Polymers, Minist Educ, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Ma, Tian,Ma, Jiahao,Yang, Chao,et al. High-performance, multi-functional and well-dispersed graphene/epoxy nanocomposites via internal antiplasticization and x-xF interactions[J]. COMPOSITES SCIENCE AND TECHNOLOGY,2021,215:8.
APA Ma, Tian,Ma, Jiahao,Yang, Chao,Zhang, Junying,&Cheng, Jue.(2021).High-performance, multi-functional and well-dispersed graphene/epoxy nanocomposites via internal antiplasticization and x-xF interactions.COMPOSITES SCIENCE AND TECHNOLOGY,215,8.
MLA Ma, Tian,et al."High-performance, multi-functional and well-dispersed graphene/epoxy nanocomposites via internal antiplasticization and x-xF interactions".COMPOSITES SCIENCE AND TECHNOLOGY 215(2021):8.
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