Cellulose-Based Flame Retardant Development
Author Information
Author(s): Aaddouz Mohamed, Laoutid Fouad, Mariage Jerome, Lazko Jevgenij, Yada Bopha, Mejdoubi El Miloud, Toncheva Antoniya, Dubois Philippe
Primary Institution: Laboratory Applied Chemistry and Environmental (LCAE), Faculty of Sciences of Oujda, Mohamed 1st University, Oujda, Morocco
Hypothesis
Can cellulose be effectively modified to enhance its flame-retardant properties using mechanochemistry?
Conclusion
The study successfully developed a phosphorylated cellulose that improves the fire performance of polypropylene composites.
Supporting Evidence
- The phosphorylated cellulose contained 4.15 wt.% phosphorus, enhancing its flame-retardant properties.
- PP composites with phosphorylated cellulose showed a 30% reduction in peak heat release rate compared to those with unmodified cellulose.
- Thermogravimetric analysis indicated improved char formation in the modified cellulose during combustion.
Takeaway
Researchers made a special type of cellulose that helps plastic not catch fire as easily, making it safer to use.
Methodology
Cellulose was modified with phosphorus pentoxide using ball-milling mechanochemistry, followed by characterization and incorporation into polypropylene.
Limitations
The thermal stability of the phosphorylated cellulose was lower than that of unmodified cellulose, which may limit its processing temperature.
Digital Object Identifier (DOI)
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