Ultra flexible silica aerogel with excellent mechanical properties for durable oil-water separation

Li, Kangwei; He, Song; Du, Chunhua; Guo, Saiping; Huang, Yajun

doi:10.1016/j.jece.2024.113752

Journal of Environmental Chemical Engineering

2024

DOI: 10.1016/j.jece.2024.113752

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Ultra flexible silica aerogel with excellent mechanical properties for durable oil-water separation

Kangwei Li,

Song He,

Chunhua Du

et al.

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Cited by 2 publications

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Overview of Multifunctional (Ultra-)Lightweight Materials for a Sustainable Future

Popescu,

Alhalaili,

Vidu

et al. 2024

Scientific Bulletin of Valahia University - Materials and Mechanics

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In line with the ongoing advancement of high-performance materials that are multifunctional and environmentally friendly, this paper provides an overview of recent developments in lightweight and ultra-lightweight multifunctional materials. We primarily examine the various types of low-density multifunctional materials, their production techniques, and their applications within the context of a sustainable future. From a structural point of view, ultra-light materials are classified into three main groups: aerogels, foam, and micro/ nanolattice. In terms of composition, they can be derived from ceramic, metallic, or polymeric materials. This overview pays particular attention to silica, carbon and composite aerogels, as well as metal, ceramic (carbon), and polymer foams.

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Overview of Multifunctional (Ultra-)Lightweight Materials for a Sustainable Future

Popescu,

Alhalaili,

Vidu

et al. 2024

Scientific Bulletin of Valahia University - Materials and Mechanics

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Preparation and Properties of Flexible Phenolic Silicone Hybrid Aerogels for Thermal Insulation

Ye,

Lv,

Zheng

et al. 2024

Molecules

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In order to prepare flexible thermal protection aerogel materials, using dimethyldimethoxysilane (DMDMS) and methyltrimethoxysilane (MTMS) as co-precursors, isocyanate-propyltrimethoxysilane (CFS-006) was added to the co-precursor as a coupling agent, and resorcinol and formaldehyde were added to the sol solution to prepare a phenolic silicone hybrid aerogel (FAS) by the sol–gel method. The prepared FAS aerogel had no phase separation problem, the density was only 0.118 g/cm3, the hydrophobic angle reached 155.3°, and it had certain flexibility. It could be compressed to 70% and still be restored to its original state. The FAS aerogel also had a low thermal conductivity of 0.0318 W/(m·K) and good high temperature insulation. The introduction of phenolic groups improved thermal stability; Tmax increased to 643.7 °C, and the residual carbon rate was 24.5%. This work has positive significance for the future combination of aerogels and textiles in the preparation of firefighting protective clothing.

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Ultra flexible silica aerogel with excellent mechanical properties for durable oil-water separation

Cited by 2 publications

References 43 publications

Overview of Multifunctional (Ultra-)Lightweight Materials for a Sustainable Future

Overview of Multifunctional (Ultra-)Lightweight Materials for a Sustainable Future

Preparation and Properties of Flexible Phenolic Silicone Hybrid Aerogels for Thermal Insulation

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