Large-Scale Roll-to-Roll Manufacturing of Flexible, Hydrophobic, and Fire-Resistant Mica/SiO<sub>2</sub> Nanofiber Aerogel Paper.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 40767849.
- Also identified by DOI 10.1021/acs.nanolett.5c02732.
- No licence information is recorded for this record.
- Because redistribution is not established, this page shows the abstract only. Follow the links below for the full text.
Abstract
Oxide ceramic aerogels offer exceptional thermal insulation and chemical stability but face limitations due to brittleness, moisture sensitivity, and costly, complex manufacturing. Here, we present a roll-to-roll method for producing flexible, hydrophobic, and fire-resistant silica/mica hybrid aerogel paper. The process bypasses the need for expensive polymer sacrificial templates and high temperature sintering, instead forming aerogels directly through electrospinning stabilized tetraethyl orthosilicate and a synthetic fluorophlogopite sol. By incorporating synthetic mica nanosheets (SMNS) into SiO<sub>2</sub> nanofibers (NFs), the resulting aerogels achieve a low thermal conductivity of 0.022 W/m·K and density of 5 mg/cm<sup>3</sup> and withstands temperatures >1800 °C. It also exhibits 99% UV blocking, mechanical robustness, and superior hydrophobicity, overcoming key challenges in ceramic aerogel applications. This approach enables scalable, cost-effective production of high-performance ceramic aerogels.