Supersonic nanoblowing: A new ultra-stiff phase of nylon 6 in 20-50 nm confinement

Title
Supersonic nanoblowing: A new ultra-stiff phase of nylon 6 in 20-50 nm confinement
Authors
이민욱Suman Sinha-RaySumit Sinha-RaySeongpil AnBehnam PourdeyhimiSam S. YoonAlexander L. Yarin
Issue Date
2013-04
Publisher
Journal of materials chemistry. C, Materials for optical and electronic devices
Citation
VOL 1, NO 21-3498
Abstract
The 20-50 nm nanofibers hold great promise as functional fabrics, biomedical materials, filters, fuel cell membranes, ultra-speed fiber optics, electronics and sensorics. In our novel process of supersonic solution blowing of nylon-6, 20-50 nm nanofibers are obtained. Here we found a new phase of nylon-6, which differs from the known alpha-, beta-, gamma-, delta- and lambda-phases, presenting itself as a novel chi-phase. It is characterized by the decrease of CH2 stretching, a shift of -NH stretching, a different type of hydrogen bond and a ten-fold increase in Young's modulus compared to those of post-processed macroscopic nylon fibers.
URI
http://pubs.kist.re.kr/handle/201004/66136
ISSN
2050-7526
Appears in Collections:
KIST Publication > Article
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