What question did this study set out to answer?

The research aims to develop bio-based coated paper composites as sustainable packaging alternatives to conventional plastic.

Biopolymer‐Coated Paper Composites for Sustainable Packaging

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Develops bio-based coated paper composites, demonstrating improvements in barrier properties for sustainable packaging.

The research aims to develop bio-based coated paper composites as sustainable packaging alternatives to conventional plastic.
Fabricated multilayer coatings using thermoplastic starch/polyvinyl alcohol as base layer.
Applied amorphous polyhydroxyalkanoate or poly(3-hydroxybutyrate-co-3-hydroxyvalerate) as top coatings.
Evaluated mechanical and barrier performances through tensile testing and water vapor permeability measurements.
aPHA coatings showed higher tensile strength.
PHBV coatings exhibited greater elongation at break.
Both coatings reduced surface hydrophobicity compared to uncoated paper.
Starch base layer enhanced film uniformity.

Pratiwi et al. (2026) studied this question.

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