Improved properties of high-density polyethylene using heptene-functionalized graphitic nanoplatelets
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초록
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Heptene-functionalized graphitic nanoplatelets (Ht-f-GN) were synthesized by the mechanochemical reaction of graphite and 1-heptene. Analyses demonstrated efficient exfoliation of graphite into Ht-f-GN, which features heptene functional groups, a sandpapery texture, high basal plane crystallinity, large surface area, and mesoporosity. Due to its good dispersion in organic solvents such as xylene, Ht-f-GN serve as a filler for enhancing the properties of high density polyethylene (HDPE). Ht-f-GN&HDPE_5 nanocomposites prepared via the solution process demonstrated enhanced tensile strength, Young’s modulus, and thermal stability compared to pure HDPE. Therefore, due to its excellent performance and affordability, Ht-f-GN stand out as a promising candidate for reinforcing hydrophobic polyolefin polymers.