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Polymers 2017, 9(8), 357; doi:10.3390/polym9080357

Development of Synergistic Antimicrobial Coating of p-Aramid Fibers Using Ag Nanoparticles and Glycidyltrimethylammonium Chloride (GTAC) without the Aid of a Cross-Linking Agent

1
Ministry of Employment and Labor, Major Industrial Accident Prevention Center, 10 Jeungheung 2ro Yeosusandallo, Yeosu-si 59615, Korea
2
Department of Fiber and System Engineering, Yeungnam University, Gyeongsan 38541, Korea
3
Division of Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), 1266, Sinjeong-dong, Jeongeup, Jeonbuk 56212, Korea
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 5 July 2017 / Revised: 3 August 2017 / Accepted: 6 August 2017 / Published: 11 August 2017
(This article belongs to the Special Issue Cellulose Nanomaterials)
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Abstract

Functional p-aramid fibers that can express antimicrobial activity were produced by simple processing of silver nanoparticles (AgNPs), which are well known as antimicrobial agents, by using glycidyltrimethylammonium chloride (GTAC), a quaternary ammonium salt. P-aramid fibers were treated with GTAC by the pad-dry-cure process and put into an Ag colloid solution for reactions at 40 °C for 90 min to prepare GTAC/AgNPs-treated p-aramid fibers. Through these processes, GTAC was used as a substitute for existing cross-linking agents. The changes in the degree of attachment of AgNPs to the surface of p-aramid fibers were determined using a scanning electron microscope according to parameters such as GTAC concentration, Ag colloid concentration, and reaction temperature. Through this study, the following results were obtained: (i) The tensile strength of AgNPs/GTAC-treated p-aramid fibers was found to be about 80% of that of untreated p-aramid fibers; (ii) Thermogravimetric analysis showed that the thermal stability of p-aramid fibers did not change much after GTAC/AgNPs treatment and (iii) Antimicrobial activity analysis showed that AgNPs/GTAC-treated p-aramid fibers exhibited superior antibacterial properties compared to untreated p-aramid fibers, which may or may not be the effect of GTAC or AgNPs, or both. View Full-Text
Keywords: silver nanoparticles; glycidyltrimethylammonium chloride; p-aramid fibers; antimicrobial activity; tensile strength silver nanoparticles; glycidyltrimethylammonium chloride; p-aramid fibers; antimicrobial activity; tensile strength
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kang, C.; Ahn, D.; Roh, C.; Kim, S.S.; Lee, J. Development of Synergistic Antimicrobial Coating of p-Aramid Fibers Using Ag Nanoparticles and Glycidyltrimethylammonium Chloride (GTAC) without the Aid of a Cross-Linking Agent. Polymers 2017, 9, 357.

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