What question did this study set out to answer?

To evaluate the synergistic effects of bio-based lignosulfonate combined with melamine, diammonium phosphate, and sodium hexametaphosphate on fire retardancy and physico-mechanical properties of medium-density fiberboard.

August 16, 2026Wood Material Science and Engineering

Development and characterization of a bio-based lignosulfonate flame-retardant system for medium-density fiberboard: a comparative study with traditional formulations

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Authors

SKSaeed KamraniUniversity of Applied Science and Technology MMMeysam MehdiniaResearch Institute of Forests and Rangelands SMSogand Ghafari MovahedUniversity of Tehran

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Implication

Comparative study reveals bio-based lignosulfonate systems enhance fire resistance and stability in medium-density fiberboard, indicating a sustainable alternative to traditional additives.

Key Points

To evaluate the synergistic effects of bio-based lignosulfonate combined with melamine, diammonium phosphate, and sodium hexametaphosphate on fire retardancy and physico-mechanical properties of medium-density fiberboard.
Incorporated lignosulfonate hybrid formulations containing melamine, diammonium phosphate, or sodium hexametaphosphate into medium-density fiberboard panels.
Assessed chemical crosslinking and curing kinetics via Fourier-transform infrared spectroscopy and differential scanning calorimetry alongside flammability, emission, and mechanical standard tests (EN 622–5).
A 10 wt% lignosulfonate and 10 wt% sodium hexametaphosphate formulation reduced combustion weight loss by 46.6% compared to untreated panels (6.8% loss, 69 s ignition time), while melamine systems delayed ignition beyond 120 s.
The lignosulfonate-melamine formulation improved thickness swelling by 23% and lowered formaldehyde emissions to E1 classification levels.
Mechanical strength decreased by up to 9.5% across additive-treated panels, but all formulations met the minimum requirements of EN 622–5.

Cite This Study

Kamrani et al. (2026) studied this question.

synapsesocial.com/papers/6a81796af2fb91fc834ac7cf https://doi.org/10.1080/17480272.2026.2715714

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Implication

Comparative study reveals bio-based lignosulfonate systems enhance fire resistance and stability in medium-density fiberboard, indicating a sustainable alternative to traditional additives.

Development and characterization of a bio-based lignosulfonate flame-retardant system for medium-density fiberboard: a comparative study with traditional formulations

Discussion

Member takes

Implication

Key Points

Cite This Study

Development and characterization of a bio-based lignosulfonate flame-retardant system for medium-density fiberboard: a comparative study with traditional formulations

Discussion

Member takes

Implication

Key Points

Cite This Study

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