ArticleACS omega2026
Mechanical, Viscoelastic, and Fracture Characteristics of Tea Waste and Boron Nitride Nanoplatelet-Reinforced Epoxy Composites.
Article in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
This study presents the fabrication and characterization of sustainable hybrid epoxy nanocomposites reinforced with tea stem waste powder and 0.5 wt % boron nitride nanoplatelets (BNNPs). The tea stems were ball-milled to an average of 70 μm and added to the epoxy matrix in proportions ranging from 1 to 10 wt % relative to the epoxy resin. The mechanical performance was evaluated using Shore D hardness, tensile testing, and single-edge notch bending, while the thermal and viscoelastic behaviors were examined through dynamic mechanical analysis (DMA), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC) analyses. The hybrid composites exhibited significant enhancements compared with neat epoxy: Shore D hardness increased from 79.40 to above 97.00, tensile strength reached 63.09 MPa at 7.5 wt % tea stem, and fracture toughness improved from ∼1.70 to ∼2.10 MPa·m
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