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Baek, Jong-Beom
Center for Dimension-Controllable Organic Frameworks
Research Interests
  • Covalent Organic Frameworks (COFs), Carbon Nanotubes(CNTs), graphene, Energy Conversion and Storage

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Direct preparation of edge-propylene graphitic nanoplatelets and its reinforcing effects in polypropylene

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Title
Direct preparation of edge-propylene graphitic nanoplatelets and its reinforcing effects in polypropylene
Author
Kim, Min HuiKang, Yeong A.Noh, Hyuk-JunBaek, Jong-BeomJeon, In-Yup
Issue Date
2021-10
Publisher
ELSEVIER SCI LTD
Citation
COMPOSITES COMMUNICATIONS, v.27, pp.100896
Abstract
Directly, edge-propylene graphitic nanoplatelets (EPGnPs) are made easily using only solid graphite and propylene gas via the mechanical chemistry without additional reactions. The edge-propylene functionalization is confirmed using various analytical techniques (e.g. FT-IR, EA, and TEM). The hydrophobic characteristic and outstanding properties of the EPGnPs make it suitable as a new reinforcing additive for polyolefins such as polypropylene (PP). In result, the tensile strength, yield strength, and Young's modulus of EPGnP/PP_5 nanocomposites are enhanced 90.5, 90.8, and 249.5%, respectively and also show the higher thermal stability compared with raw PP due to its remarkable properties as well as the enhanced affinity between PP and propylene-functional groups of the EPGnPs. Based on experimental results, the graphitic nanoplatelets (GnPs) with various functional groups, especially, hydrophobicity, offer a number of advantages (e.g., excellent compatibility, economy, and mass-production) for use as a filler to expand the applications of polyolefin composites.
URI
https://scholarworks.unist.ac.kr/handle/201301/54962
URL
https://www.sciencedirect.com/science/article/pii/S2452213921002722?via%3Dihub
DOI
10.1016/j.coco.2021.100896
ISSN
2452-2139
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