Influence of Filler in the Form of Waste Wood Flour and Microcellulose on the Mechanical, Thermal, and Morphological Characteristics of Hierarchical Epoxy Composites
Anna Sienkiewicz, Piotr Czub
TL;DR
This study explores how waste wood flour and microcellulose, when added to epoxy composites, affect their mechanical, thermal, and morphological properties.
Contribution
The study introduces a two-stage silanization process to improve the interaction between natural fillers and epoxy matrices.
Findings
Silanization of waste wood flour significantly improved its interaction with the epoxy matrix, enhancing mechanical properties.
Composites with silanized wood flour showed better flexural and compressive strength compared to unmodified and unfilled composites.
Cellulosic additives improved impact properties of the epoxy composites.
Abstract
In response to growing interest in green additives derived from natural raw materials or post-production waste of natural origin, epoxy compositions containing the additive in the form of waste wood flour and microcellulose were prepared. The research involved the chemical modification of the additive through a two-stage silanization process using 3-aminopropyltriethoxysilane. Followed by filler’s characterization using Fourier Transformed Infrared Spectroscopy (FT-IR) to analyze the modification in chemical structure, Wide Angle X-Ray Diffraction (WAXD) to detect differences in crystal structure, and Scanning Electron Microscopy (SEM) to observe morphological changes. Next, waste oak flour (WF) and microcrystalline cellulose (MCC) were used in unmodified and silanized form (sil-WF and sil-MCC, respectively) to prepare epoxy composites, followed by testing their influence on the…
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Taxonomy
TopicsNatural Fiber Reinforced Composites · Lignin and Wood Chemistry · Polymer Foaming and Composites