Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 132, Issue 14, Pages -Publisher
WILEY
DOI: 10.1002/app.41756
Keywords
fibers; morphology; properties and characterization; surfaces and interfaces; thermal properties
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Funding
- National Special fund for cleaner production (Ministry of Finance) [[2011] 430]
- National Science and technology transformation project (Ministry of Finance) [[2011] 329]
- Doctoral Initiating Project of Liaoning Province Foundation for Natural Sciences [20111069]
- China Scholarship Council (CSC) under the Grant CSC [201406790023]
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The effects of treatment pressure on the structures and properties of PMIA fiber were investigated by Scanning electron microscopy, Dynamic wetting measurements, Fourier transform infrared spectrometry, X-ray diffraction, thermogravimetric analysis, and mechanical properties test technology in supercritical carbon dioxide. The results indicated that the surface morphology, the water contact angle, the interaction of macromolecules, the crystal structure, the thermal property, and tensile strength of PMIA fibers were changed during supercritical carbon dioxide treatment, particularly the surface morphology and the wettability of fiber changed the most obviously with the increase of treatment pressure. Furthermore, the thermal property and tensile strength of treated PMIA fiber sample were improved in comparison with those of untreated sample. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41756.
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