Aerogel-To-Sol-To-Aerogel (ASA) Process for Recycling, Repairing, Reprogramming of High-Performance Organic Aerogels

Aerogel-To-Sol-To-Aerogel (ASA) Process for Recycling, Repairing, Reprogramming of High-Performance Organic Aerogels

2024 | Changlin Wang, Fabian Eisenreich, and Željko Tomović
The article introduces a novel process called Aerogel-To-Sol-To-Aerogel (ASA) for recycling, repairing, and reprogramming of high-performance organic aerogels. This process involves decomposing polyimine aerogels into a solution of oligomers through transimination reactions with additional amines, which can then be used to create new aerogels with identical properties to the original ones. The ASA process is highly reproducible, selective, and conserves 100% of the initially embedded chemical resources, making it an innovative tool for sustainable management of superinsulating aerogels. The study demonstrates the complete integration of recycling, repairing, and reprogramming concepts into a single atom-efficient and mild process. Key findings include the successful recycling of aerogels from mixed waste streams, the repair of damaged aerogels, and the reprogramming of aerogel properties through careful selection of amines. The ASA process offers significant opportunities for creating a more sustainable future in the development of thermally insulating materials.The article introduces a novel process called Aerogel-To-Sol-To-Aerogel (ASA) for recycling, repairing, and reprogramming of high-performance organic aerogels. This process involves decomposing polyimine aerogels into a solution of oligomers through transimination reactions with additional amines, which can then be used to create new aerogels with identical properties to the original ones. The ASA process is highly reproducible, selective, and conserves 100% of the initially embedded chemical resources, making it an innovative tool for sustainable management of superinsulating aerogels. The study demonstrates the complete integration of recycling, repairing, and reprogramming concepts into a single atom-efficient and mild process. Key findings include the successful recycling of aerogels from mixed waste streams, the repair of damaged aerogels, and the reprogramming of aerogel properties through careful selection of amines. The ASA process offers significant opportunities for creating a more sustainable future in the development of thermally insulating materials.
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