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Journal / Chemistry / Preparation of Biopolymer Aerogels Using Green…
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Chemistry

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JoVE Journal Chemistry
Preparation of Biopolymer Aerogels Using Green Solvents
 

Preparation of Biopolymer Aerogels Using Green Solvents

Article DOI: 10.3791/54116-v • 08:13 min • July 4th, 2016
July 4th, 2016 •
1, 1, 1, 1
1Institute of Thermal Separation Processes, Hamburg University of Technology

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A new way for the production of biopolymer-based aerogels by carbon dioxide (CO2) induced gelation is shown. The technique utilizes pressurized carbon dioxide (5 MPa) for the production of biopolymer hydrogels and supercritical CO2 (12 MPa) to convert gels into aerogels. The only solvents needed besides CO2 are water and ethanol.

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Keywords: Biopolymer Aerogels Amidated Pectin Green Solvents Hydrogel Supercritical Carbon Dioxide Gel Formation Aerogel Production Cross-linking Pectin Solution Calcium Carbonate High Pressure Autoclave Depressurization Ethanol-water Mixture
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