In-situ hydrophobic modified aramid nanoaerogel fiber and manufacturing process therefor and use thereof
DE602022030281T2Active Publication Date: 2026-02-11SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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Patent Information
- Application Number
- DE602022030281
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-08-02
- Filing Date
- 2022-04-02
- Publication Date
- 2026-02-11
- Estimated Expiration
- 2042-04-02
AI Technical Summary
Technical Problem
Existing aramid nano aerogel fibers are hydrophilic, prone to water absorption, and require post-treatment hydrophobic modifications that are complex and unsustainable, limiting their practical application.
Method used
In-situ hydrophobic modification of aramid nano aerogel fibers through a spinning process using a halogenated reagent and alkaline solvent, creating active sites for graft modification, resulting in a stable three-dimensional porous network structure.
Benefits of technology
The modified fibers exhibit high porosity, tensile strength, and self-cleaning ability, suitable for large-scale production and applications in textiles and other fields, with improved hydrophobic performance resisting common liquids.
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