Enhanced electrical conductivity of polymer nanocomposite based on edge-selectively functionalized graphene nanoplatelets

Title
Enhanced electrical conductivity of polymer nanocomposite based on edge-selectively functionalized graphene nanoplatelets
Authors
양철민조재현성동기이두진김성륜이혜성남기호여현욱
Issue Date
2020-03
Publisher
Composites science and technology
Citation
VOL 189, 108001
Abstract
Achieving high filler dispersion in a polymer composite is very important for effectively and efficiently imparting several advantages of functional fillers to the composite. To this end, we have suggested a synthesis of polyamide 6 via in situ ring-opening polymerization of ε-caprolactam and edge-selectively functionalized graphene nanoplatelets without defects on its basal plane synthesized by a ball-mill process with dry ice. As a consequence, the final graphene nanocomposite possesses highly dispersed filler and has enhanced electrical conductivity due to its undistorted sp2 hybridization after functionalization. This approach is a promising way of incorporating filler into polymer composites, effectively implementing highly electrical conducting graphene without its aggregation and damage to its inherent properties after functionalization.
URI
http://pubs.kist.re.kr/handle/201004/71110
ISSN
0266-3538
Appears in Collections:
KIST Publication > Article
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