An Electrospun Polyimide Ultrathin Fiber Membrane for Particle Filtration of Hot Gas

Jian Fei Xie

doi:10.4028/www.scientific.net/AMR.1048.489

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1048An Electrospun Polyimide Ultrathin Fiber Membrane...

An Electrospun Polyimide Ultrathin Fiber Membrane for Particle Filtration of Hot Gas

Abstract:

Electrospun membrane filters used to remove particles from hot gases were highly desired to meet the requirement of application in high temperature. Polyimide is a kind of high performance polymer, especially for excellent thermal stability and chemical resistance. In this paper, the polyimide precursor poly (amic acid) (PAA) was synthesized from 3,3’,4,4’-oxydiphthalic anhydride (ODPA) and 4,4’-methylenedianiline (MDA), the polyimide (PI) ultrathin fiber membrane was fabricated by electrospinning and followed by thermal imidization. Scanning electron microscope (SEM), infrared spectrometry (IR), and thermogravimetric analysis (TGA) were used for the characterizations of the polyimide ultrathin fiber Membrane, the tests show that the diameter of ultrathin fiber is uniform with an average size of around 400nm and the membrane is thermally stable at a high temperature of 500°C.

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Periodical:

Advanced Materials Research (Volume 1048)

Pages:

489-492

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1048.489

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Online since:

October 2014

Authors:

Jian Fei Xie*

Keywords:

Electrospun, Hot Gas Filtration, Infrared Spectrometry (IR), Polyimide, Thermogravimetric Analysis (TGA)

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