What question did this study set out to answer?

To overcome weak interfacial bonding and mechanical mismatch in bamboo/glass fiber hybrid epoxy composites using a sequential surface modification strategy.

August 16, 2026PolymersOpen Access

Achieving High Strength and Modulus in Bamboo/Glass Fiber Hybrid Composites Enabled by Synergistic Interfacial Design

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JSJian Sun LZLI Zhi-hui ALAnqi Li

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Overview

Experimental study demonstrates sequential surface functionalization improves bamboo and glass fiber hybrid composite strength, indicating viable routes for sustainable structural materials.

Key Points

To overcome weak interfacial bonding and mechanical mismatch in bamboo/glass fiber hybrid epoxy composites using a sequential surface modification strategy.
Treated bamboo fibers with alkali to strip amorphous lignin and hemicellulose, producing a rough, cellulose-rich substrate.
Grafted (3-aminopropyl) triethoxysilane onto treated bamboo fibers to establish an amino-functionalized interphase that covalently binds epoxy resin.
Assessed fiber tensile strength, interfacial shear strength, composite tensile and flexural modulus, and storage modulus via dynamic mechanical analysis.
Surface modification increased bamboo fiber tensile strength by 51.2% and interfacial shear strength by 136.6%, matching commercial glass fiber benchmarks.
The modified hybrid composite attained a tensile strength of 485 MPa (39.4% improvement) and a flexural modulus of 30.2 GPa (98.3% improvement) relative to unmodified composites.
Dynamic mechanical analysis revealed an elevated storage modulus across a broad operating temperature range.

Cite This Study

Sun et al. (2026) studied this question.

synapsesocial.com/papers/6a817a4cf2fb91fc834ae08e https://doi.org/10.3390/polym18161982

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August 16, 2026PolymersOpen Access

Achieving High Strength and Modulus in Bamboo/Glass Fiber Hybrid Composites Enabled by Synergistic Interfacial Design

View Full Paper

Ask AI

Bookmark

Authors

JSJian Sun LZLI Zhi-hui ALAnqi Li

Discussion

Member takes

Overview

Experimental study demonstrates sequential surface functionalization improves bamboo and glass fiber hybrid composite strength, indicating viable routes for sustainable structural materials.

Key Points

To overcome weak interfacial bonding and mechanical mismatch in bamboo/glass fiber hybrid epoxy composites using a sequential surface modification strategy.
Treated bamboo fibers with alkali to strip amorphous lignin and hemicellulose, producing a rough, cellulose-rich substrate.
Grafted (3-aminopropyl) triethoxysilane onto treated bamboo fibers to establish an amino-functionalized interphase that covalently binds epoxy resin.
Assessed fiber tensile strength, interfacial shear strength, composite tensile and flexural modulus, and storage modulus via dynamic mechanical analysis.
Surface modification increased bamboo fiber tensile strength by 51.2% and interfacial shear strength by 136.6%, matching commercial glass fiber benchmarks.
The modified hybrid composite attained a tensile strength of 485 MPa (39.4% improvement) and a flexural modulus of 30.2 GPa (98.3% improvement) relative to unmodified composites.
Dynamic mechanical analysis revealed an elevated storage modulus across a broad operating temperature range.

Cite This Study

Sun et al. (2026) studied this question.

synapsesocial.com/papers/6a817a4cf2fb91fc834ae08e https://doi.org/10.3390/polym18161982

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