Startseite Effects of talc, kaolin and calcium carbonate as fillers in biopolymer packaging materials
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Effects of talc, kaolin and calcium carbonate as fillers in biopolymer packaging materials

  • Karoliina Helanto ORCID logo EMAIL logo , Riku Talja und Orlando J. Rojas
Veröffentlicht/Copyright: 10. August 2021
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Journal of Polymer Engineering
Aus der Zeitschrift Journal of Polymer Engineering Band 41 Heft 9

Abstract

We compared the performance of bio-based and biodegradable polymers for packaging applications. Cost-effective inorganic fillers (talc, kaolin and calcium carbonate) were first melt-compounded with polylactic acid (PLA), poly(butylene adipate-co-terephthalate) (PBAT) and poly(hydroxy butyrate-co-valerate) (PHBV). Following this, injection- and compression-molded specimens were produced to test the effect of filler loading (0–30 wt%) in relation to the morphological, thermal, mechanical and barrier properties of the composites. All the fillers were homogeneously dispersed in the polymer matrices and suitable polymer–filler adhesion was observed for talc and kaolin. The elastic modulus increased at the expense of a reduced tensile and elongation. The most significant improvements in water vapor and oxygen barrier properties were achieved with talc in PLA, PBAT and PHBV films. Overall, the results point to the promise of the introduced compositions for food packaging materials.

Keywords: barrier; biopolymer; composite; filler; packaging
Corresponding author: Karoliina Helanto, Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, FI-00076 Aalto, Espoo, Finland; and Metsä Board Corporation, P.O. Box 20, FI-02020 Metsä, Finland, E-mail:

Acknowledgements

We wish to thank the assistance of Sai Li with the sample preparation, Päivi Kauppinen with the SEM imaging, Tuula Rautiainen with the WVTR analyzes and Säde Mäki (Tampere University) for conducting the oxygen barrier measurements.

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2021-03-10
Accepted: 2021-06-22
Published Online: 2021-08-10
Published in Print: 2021-10-26

© 2021 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Material properties
  3. Study on the properties of composite superabsorbent resin doped with starch and cellulose
  4. Thermal stability, mechanical properties, and gamma radiation shielding performance of polyvinyl chloride/Pb(NO3)2 composites
  5. Effects of talc, kaolin and calcium carbonate as fillers in biopolymer packaging materials
  6. Tribological properties of organotin compound modified UHMWPE
  7. Recent progress on improving the mechanical, thermal and electrical conductivity properties of polyimide matrix composites from nanofillers perspective for technological applications
  8. Rheological and thermal stability of interpenetrating polymer network hydrogel based on polyacrylamide/hydroxypropyl guar reinforced with graphene oxide for application in oil recovery
  9. Characterization of polymeric biomedical balloon: physical and mechanical properties
  10. Preparation and assembly
  11. Preparation and properties of poly (vinyl alcohol)/sodium caseinate blend films crosslinked with glutaraldehyde and glyoxal
  12. Lignin reinforced, water resistant, and biodegradable cassava starch/PBAT sandwich composite pieces
  13. A simple and green approach to the preparation of super tough IIR/SWCNTs nanocomposites with tunable and strain responsive electrical conductivity
https://doi.org/10.1515/polyeng-2021-0076
Schlagwörter für diesen Artikel
barrier; biopolymer; composite; filler; packaging

Artikel in diesem Heft

  1. Frontmatter
  2. Material properties
  3. Study on the properties of composite superabsorbent resin doped with starch and cellulose
  4. Thermal stability, mechanical properties, and gamma radiation shielding performance of polyvinyl chloride/Pb(NO3)2 composites
  5. Effects of talc, kaolin and calcium carbonate as fillers in biopolymer packaging materials
  6. Tribological properties of organotin compound modified UHMWPE
  7. Recent progress on improving the mechanical, thermal and electrical conductivity properties of polyimide matrix composites from nanofillers perspective for technological applications
  8. Rheological and thermal stability of interpenetrating polymer network hydrogel based on polyacrylamide/hydroxypropyl guar reinforced with graphene oxide for application in oil recovery
  9. Characterization of polymeric biomedical balloon: physical and mechanical properties
  10. Preparation and assembly
  11. Preparation and properties of poly (vinyl alcohol)/sodium caseinate blend films crosslinked with glutaraldehyde and glyoxal
  12. Lignin reinforced, water resistant, and biodegradable cassava starch/PBAT sandwich composite pieces
  13. A simple and green approach to the preparation of super tough IIR/SWCNTs nanocomposites with tunable and strain responsive electrical conductivity
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