Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2181
Title: Moisture sorption and thermal characteristics of polyaramide blend fabrics
Authors: Genç, Gözde
Alp, Burcu
Balköse, Devrim
Ülkü, Semra
Cireli, Aysun
Genç, Gözde
Alp, Burcu
Balköse, Devrim
Ülkü, Semra
Keywords: Polymer blends
Adsorption
Blend
Crystallinity
Isotherms
Issue Date: Oct-2006
Publisher: John Wiley and Sons Inc.
Source: Genç, G., Alp, B., Balköse, D., Ülkü, S., and Cireli, A. (2006). Moisture sorption and thermal characteristics of polyaramide blend fabrics. Journal of Applied Polymer Science, 102(1), 29-38. doi:10.1002/app.24184
Abstract: Four types of fabrics woven from various polyaramid fibers of Nomex and Kevlar blends were characterized by morphology, XRD, elemental analysis, thermal analysis, and moisture adsorption isotherms. The blends consisted of Polybenzimidazole/ Kevlar blend (40% FBI and 60% Kevlar®), Nomex Delta A (blend of 60% Kevlar and 40% Nomex®), Nomex Delta T (blend of 75% Nomex, 23% Kevlar, and 2% P140 antistatic fiber), and Nomex III (fabric with a 95/5 blend of Nomex and Kevlar) containing 1% steel fiber. TGA and DTG curves have been compared to evaluate thermal behavior of the FBI, Kevlar, and Nomex blends and the resuls were correlated with the moisture sorption data. The data were also compared with fiber morphologies provided by SEM and crystallinities derived from XRD diffrac tograms. Moisture adsorption isotherms were correlated with a number of empirical models, including Nernst, Freundlich, Handersen, Iglesias-Chirife, and with the models having a theoretical background such as Langmuir, BET, GAB, and Hüttig. The linear regression models were statistically analyzed to obtain the best fitting model that explains the sorption profiles of the samples and theoretical monolayer moisture capacities of Nomex and Kevlar blends were calculated by using Hüttig isotherms.
URI: http://doi.org/10.1002/app.24184
http://hdl.handle.net/11147/2181
ISSN: 0021-8995
0021-8995
1097-4628
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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