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AssigneeUniversity of Florida Research Foundation, Inc.
InventorsWolfgang M. Sigmund, Vasana Maneeratana, Paolo Colombo, Chang-Yu Wu, Hyoungjun Park, Qi Zhang
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In accordance with the invention there are devices and processes for making ceramic nanofiber mats and ceramic filters for use in high temperature and in corrosive environments. The process for forming a ceramic filter can include electrospinning a preceramic polymer solution into a preceramic polymer fiber having a diameter from about 10 nm to about 1 micron and forming a preceramic polymer fiber web from the preceramic polymer fiber onto a collector. The process can also include pyrolyzing the preceramic polymer fiber web to form a ceramic nanofiber mat having a diameter less than the diameter of the preceramic polymer fiber, the ceramic nanofiber mat comprising one or more of an oxide ceramic and a non-oxide ceramic such that the ceramic fiber mat can withstand temperature greater than about 1000° C.
A process for forming a ceramic filter comprising:
A filter for high temperature application comprising:
A device comprising:
A device comprising a ceramic nanofiber mat comprising one or more of an oxide ceramic and a non-oxide ceramic, wherein the ceramic fiber mat provides catalyst support at a temperature greater than about 1000° C. and in one or more corrosive environments selected from the group consisting of alkaline solutions, acid solutions, biological fluids, hot gases, molten metals, and molten salts.
Dependencies are inferred from the claim text.