JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 41 Issue 2
April 2026
Article Contents
WU Qiao, ZHUANG Hu, XIAO Jingshu, et al. Fabrication and characterization of cigarette butt-derived cellulose acetate-based ultralight aerogels for tobacco applications[J]. Journal of Light Industry, 2026, 41(2): 126-132. doi: 10.12187/2026.02.012
Citation: WU Qiao, ZHUANG Hu, XIAO Jingshu, et al. Fabrication and characterization of cigarette butt-derived cellulose acetate-based ultralight aerogels for tobacco applications[J]. Journal of Light Industry, 2026, 41(2): 126-132. doi: 10.12187/2026.02.012 shu

Fabrication and characterization of cigarette butt-derived cellulose acetate-based ultralight aerogels for tobacco applications

  • Corresponding author: ZHANG Duntie, 17844628053@163.com
  • Received Date: 2024-09-25
    Accepted Date: 2024-12-16
  • Objective】 To achieve the resource valorization of cellulose acetate (CA) from cigarette butts by converting it into high value-added materials, and to investigate its structural and performance characteristics. 【Methods】 Recycled cellulose acetate (R-CA) was prepared via solvent washing. R-CA was then converted into nanofibers by electrospinning, and further fabricated into aerogels in one step through freeze-drying. The structure and properties of the R-CA nanofiber membranes and corresponding aerogels were characterized by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). 【Results】 R-CA exhibited a similar chemical structure to commercial CA, with similar peak thermal degradation temperatures of 355.0 ℃ and 357.5 ℃, respectively. This indicates that the purification process did not alter the molecular structure or thermal properties of R-CA. With increasing R-CA electrospinning concentration, the fiber morphology evolved from beaded structures to uniform and smooth nanofibers. The fibers obtained at 17% concentration showed the most uniform diameter distribution, with an average diameter of 336.8 nm. Nanofibers prepared at this optimal concentration were subjected to dispersion, homogenization, and freeze-drying to successfully form a 3D network aerogel. The aerogel had an apparent density of 8.59~11.55 mg/cm3 and a porosity above 99%, showing ultra-low density and high porosity. 【Conclusion】 This study enables the efficient recovery of R-CA and the preparation of high-performance aerogels, offering a valuable reference for the resource valorization of cigarette butts.
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