Multiwalled carbon nanotube pretreatment to enhance tensile properties, process stability, and filler dispersion of polyamide 66 nanocomposites
作者： Seonku Kang , Jongwon Kim , Jong Hyuk Park , Inhwa Jung , Min Park
DOI: 10.1016/J.COMPOSITESB.2020.108204
关键词:
摘要: Abstract Multiwalled carbon nanotube-dispersed polyamide 66 nanocomposites (PA66/MWCNTs) were fabricated by melt-mixing pretreated MWCNTs and PA66, the effects of pretreating techniques types materials investigated. The non-fluffy method (NFM) dry-coating (DCM) studied to determine pretreatment techniques. tensile properties enhanced NFM. However, DCM improved stability process, which greatly decreased coefficient variation (CV) physical properties. To examine materials, an epoxy modifier (bisphenol-F diglycidyl ether; DGEBF), a fluorosurfactant (FSO100), silane coupling agent ((3-aminopropyl)triethoxysilane; APTES) evaluated. Compared with DGEBF, FSO100 APTES noticeably DGEBF provided highly stable Furthermore, relationship between MWCNT dispersion was Dispersion quantified in terms ratio, determined Voronoi diagram analysis. ratio inversely correlated CVs
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