Invention Grant
- Patent Title: Method of aerogel synthesis
- Patent Title (中): 气凝胶合成方法
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Application No.: US13901453Application Date: 2013-05-23
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Publication No.: US09206298B2Publication Date: 2015-12-08
- Inventor: David L. Rodman , Garrett D. Poe , Brandon S. Farmer , Joseph C. Smith
- Applicant: NeXolve Corporation
- Applicant Address: US AL Huntsville
- Assignee: NeXolve Corporation
- Current Assignee: NeXolve Corporation
- Current Assignee Address: US AL Huntsville
- Agency: Bradley Arant Boult Cummins LLP
- Agent Jeremy A. Smith
- Main IPC: C08J9/00
- IPC: C08J9/00 ; C08J9/28 ; C08G73/10

Abstract:
The present disclosure provides a method for producing an aerogel, the method comprising reacting at least one acid monomer with at least one diamino monomer in a first solvent under conditions appropriate to form a polyimide polymer; conducting a solvent exchange wherein the first solvent is exchanged for a second solvent, said second solvent having a freezing point, wherein said solvent exchange further comprises (1) submersing the polyimide polymer in the second solvent in a pressure vessel and (2) creating a high pressure environment inside the pressure vessel for a first period of time; cooling the polyimide polymer to a first temperature below the freezing point of the second solvent; and subjecting cooled polyimide polymer to a first vacuum for a second period of time at a second temperature.
Public/Granted literature
- US20140350134A1 Method of Aerogel Synthesis Public/Granted day:2014-11-27
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