Gels, Год журнала: 2025, Номер 11(6), С. 408 - 408

Опубликована: Май 29, 2025

Cellulose-based aerogel is an environmentally friendly multifunctional material that renewable, biodegradable, and easily surface-modified. However, due to its flammability, cellulose serves as ignition source in fire incidents, leading the combustion of building materials resulting significant economic losses safety risks. Consequently, it essential develop cellulose-based with flame-retardant properties. Initially, a porous was successfully synthesized through freeze-drying, utilizing lignocellulose raw material. Subsequently, phosphorylation coupled Ca2+ cross-linking via self-assembly surface deposition effects enhance Finally, were characterized using infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, mechanical compression testing, scanning electron microscopy. The phosphorylated nanofibrils cross-linked 1.5% CaCl2 exhibited most effective properties best characteristics, achieving UL-94 test rating V-0 maximum rate 90.6%. Additionally, compressive strength elastic modulus recorded at 0.39 0.98 MPa, respectively. preparation process friendly, yielding products demonstrate are non-toxic. This product anticipated replace polymer-based commercial materials, representing sustainable solution issue “white pollution”.

Язык: Английский