Journal
APPLIED SURFACE SCIENCE
Volume 276, Issue -, Pages 750-755Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2013.03.164
Keywords
Poly(meta-phenylene isophthalamide); Amphiphobicity; Nanofibers; Electrospinning; Fiber technology; Surfaces
Categories
Funding
- National Basic Research Program of China (973 Program) [2011CB606103, 2011CB606104]
- National Natural Science Foundation of China [51173022, 10979073, 10979006, 11005143]
- 111 Project [111-2-04, B07024]
- Shanghai Committee of Science and Technology [10JC1400600]
- Innovation Program of Shanghai Municipal Education Commission [11ZZ59]
- Dawn Program of Shanghai Education Commission [10SG32]
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In this work, we report the facile synthesis of robust amphiphobic nanofibrous membranes via the (fluoroalkyl) silane surface modification of electrospun poly(meta-phenylene isophthalamide) (PMIA) nanofibrous membranes. The fluorinated PMIA nanofibrous membranes showed a nonwettable property for water and oil, exhibiting an amphiphobicity. The results indicated that the FAS molecules were successfully coated on the PMIA electrospun fibers in the form of a monolayer, which did not cause the severe changes of fiber morphology. The electrospun PMIA nanofibrous membranes have a good tensile strength, in particular the aligned PMIA nanofibrous membrane can enable the tensile strength to be increased doubly compared with the randomly oriented PMIA nanofibrous membrane, up to 78.56 +/- 2.06 MPa. The fluorinated PMIA nanofibrous membrane may have a good thermostability due to its inherent properties, exhibiting a potential application in reinforced nanomaterials, automobile air filters, template of structure coatings, etc., requiring high strength and high thermal resistance. (c) 2013 Elsevier B.V. All rights reserved.
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