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Preparation of Keratin Hydrolysate from Chicken Feathers and Its Application in Cosmetics
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Graphite Nanoplatelets from Waste Chicken Feathers.

Bryan Pajarito1, Amelia Jane Belarmino1, Rizza Mae Calimbas1

  • 1Department of Chemical Engineering, University of the Philippines, Diliman, Quezon City 1101, Philippines.

Materials (Basel, Switzerland)
|May 7, 2020
PubMed
Summary

Researchers developed a sustainable method to create graphite nanoplatelets (GNPs) from waste chicken feathers. This process offers a promising alternative to natural graphite for advanced material applications.

Keywords:
carbonchicken featherexfoliationgraphite nanoplateletgraphitization

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Sustainable Chemistry

Background:

  • Graphite nanoplatelets (GNPs) are crucial 2D nanofillers for polymer nanocomposites.
  • Natural graphite, the traditional source, faces increasing demand and resource limitations.
  • Utilizing waste resources for GNP synthesis is essential for sustainability.

Purpose of the Study:

  • To synthesize graphite nanoplatelets (GNPs) from waste chicken feathers (WCFs).
  • To characterize the properties of WCF-derived GNPs.
  • To explore a sustainable alternative to natural graphite for GNP production.

Main Methods:

  • Waste chicken feathers (WCFs) were carbonized and graphitized.
  • Graphitic carbon was exfoliated using high-speed homogenization and sonication.
  • Centrifugation was employed to separate GNPs from non-exfoliated carbon.

Main Results:

  • Successfully synthesized GNPs with a 2D structure from WCFs.
  • Observed variations in particle size and thickness of the synthesized GNPs.
  • Identified carbonyl groups primarily at the edges of graphene sheets, with defect levels between natural graphite and graphene oxide.

Conclusions:

  • Waste chicken feathers can be a viable source for GNP synthesis.
  • Optimizing exfoliation and minimizing restacking/carbonyls are key for high-quality WCF-derived GNPs.
  • This method presents a sustainable approach to producing functional nanofillers.