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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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Summary
Automatic Translation

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.

Tags

Biopolymer Aerogels Green Solvents Amidated Pectin Water Ethanol Carbon Dioxide Gel Formation Supercritical CO2 Aerogel Production One Step Approach Calcium Carbonate Dispersion PH Sodium Hydroxide Cross-linking Surface Area
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