ArticleLangmuir : the ACS journal of surfaces and colloids2025
Poly(1-naphthylamine)-Reinforced Chitosan Films for Smart Packaging: Enhanced Mechanical, Morphological, and Antibacterial Properties.
Article in Langmuir : the ACS journal of surfaces and colloids, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Poly(ACS applied bio materials · 2026Article
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7 authors.
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Abstract
The development of sustainable smart packaging materials has driven interest in chitosan (CS) films, reinforced with conducting polymers. In the present work, poly(1-naphthylamine) (PNA) was incorporated into CS matrix at low weight fractions (0.15-1.0 wt %) of PNA to produce composite films with enhanced mechanical and antibacterial performance. Characterizations using Fourier transform infrared, X-ray photoelectron, ultraviolet-visible, and fluorescence spectroscopy revealed significant interfacial interactions, as evidenced by distinct shifts in characteristic absorption peaks and the appearance of polaronic signatures. SEM and confocal imaging confirmed homogeneous PNA dispersion up to 0.5 wt %. The morphological transition from uniform network domains to the formation of agglomerates causes phase separation, which was noticed in composite films with higher PNA content (0.75 and 1 wt %). Mechanical testing indicated a substantial increase in tensile strength to 40 MPa for 0.15-PNA/CS compared to ∼5 MPa for pristine CS. The hybrid films exhibited reduced moisture uptake <20% and improved antibacterial activity against
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