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Synergistic effect of selectively distributed AlN/MWCNT hybrid fillers on the morphological, mechanical and thermal properties of polycarbonate/maleated poly[styrene-b-(ethylene-co-butylene)-b-styrene] triblock copolymer (SEBS-g-MA) composites
Xiao, Chao1,2,3; Leng, Xinyu1,2,3; Wang, Hui1,2,3; Su, Zheng1,2,3; Zhang, Xian1; Chen, Lin1; Zheng, Kang1; Tian, Xingyou1
2017-02-01
Source PublicationMATERIALS RESEARCH EXPRESS
ISSN2053-1591
Volume4Issue:2Pages:12
Abstract

A quaternary nanocomposite polycarbonate (PC)-multi-walled carbon nanotubes (MWCNT)/SEBS-g-MA (SM)-AlN is prepared by controlling the selective distribution of nano-fillers via meltblending. Through a two-step mixing method, surface modified AlN is selectively dispersed in the island-like SM phase; meanwhile, MWCNT acting as bridges are mainly located in the continuous phase of PC. This 'island-bridge' morphology is confirmed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The selective localization results agree well with the theoretical predictions. Dynamic mechanical analysis (DMA) indicates that the addition of hybrid fillers improved the storage modulus selectively. Thermogravimetric analysis (TGA) shows that the thermal stability of the PC/SM blends increased significantly; the degradation kinetic has also been changed due to the synergistic effects of the fillers. This novel ` island-bridge' network contributes a higher thermal conductivity at low filler content as the effective thermal conductivity reached 0.72 W m(-1) K-1, which is three times higher than that of 70PC/30SM. The experimental observations coincide well with the optimizing model results.

Keywordpolymer composites selective distribution synergistic effect
DOI10.1088/2053-1591/aa5b60
WOS KeywordMULTIWALLED CARBON NANOTUBES ; ELECTRICAL-CONDUCTIVITY ; PERCOLATION-THRESHOLD ; POLYMER BLENDS ; NANOCOMPOSITES ; LOCALIZATION ; TEREPHTHALATE) ; NANOPARTICLES ; SUSPENSIONS ; INTERFACE
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000415122100001
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/35809
Collection应用技术研究所
Corresponding AuthorZheng, Kang
Affiliation1.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Appl Technol, Hefei, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei, Anhui, Peoples R China
3.Chinese Acad Sci, Hefei Inst Phys Sci, Key Lab Novel Thin Film Solar Cells, Hefei, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Chao,Leng, Xinyu,Wang, Hui,et al. Synergistic effect of selectively distributed AlN/MWCNT hybrid fillers on the morphological, mechanical and thermal properties of polycarbonate/maleated poly[styrene-b-(ethylene-co-butylene)-b-styrene] triblock copolymer (SEBS-g-MA) composites[J]. MATERIALS RESEARCH EXPRESS,2017,4(2):12.
APA Xiao, Chao.,Leng, Xinyu.,Wang, Hui.,Su, Zheng.,Zhang, Xian.,...&Tian, Xingyou.(2017).Synergistic effect of selectively distributed AlN/MWCNT hybrid fillers on the morphological, mechanical and thermal properties of polycarbonate/maleated poly[styrene-b-(ethylene-co-butylene)-b-styrene] triblock copolymer (SEBS-g-MA) composites.MATERIALS RESEARCH EXPRESS,4(2),12.
MLA Xiao, Chao,et al."Synergistic effect of selectively distributed AlN/MWCNT hybrid fillers on the morphological, mechanical and thermal properties of polycarbonate/maleated poly[styrene-b-(ethylene-co-butylene)-b-styrene] triblock copolymer (SEBS-g-MA) composites".MATERIALS RESEARCH EXPRESS 4.2(2017):12.
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