Physico-mechanical and ethylene scavenging properties of active packaging from Bambusa fibers modified with TiO2 /Cu2O composite
Source abstract
Abstract
The physico-mechanical and ethylene scavenging properties of active packaging consisting of paper prepared from bamboo (Bambusa vulgaris) fibers loaded with varying concentrations of nano titanium dioxide/cuprous oxide (TiO2/Cu2O) composite was investigated for its ability to delay ripening of Philippine climacteric fruits. Tests of paper containing 1% to 5% TiO2/Cu2O showed no or limited negative impact on its physical, optical, and mechanical properties. Images from a field emission scanning electron microscope equipped with energy-dispersive X-ray spectroscopy (FESEM-EDS) showed dispersion and agglomeration of TiO2/Cu2O nanoparticles on the paper surface. The percent weight of titanium and copper increased with increasing metal oxide composite concentration used in this study. Attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy indicated small shifts in band intensity at 3330 cm-1 and 1100 cm-1 in the hydroxyl (O-H) and C-O regions, respectively, suggesting possible chemical or physical interactions between the metal oxide and paper. Contact angle measurement suggested that TiO2/Cu2O nanoparticles may have imparted paper hydrophobicity at 3%–5% concentration, possibly through increased microscale roughness.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Cellulose Research Studies · Nanocomposite Films for Food Packaging · Material Properties and Processing
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
University of the Philippines Los Baños
References (43)
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