Dual antibacterial functional regenerated cellulose fibers

Ates, Busra; Cerkez, Idris

doi:10.1002/app.44872

Cited by 24 publications

(13 citation statements)

References 42 publications

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“…These compounds can significantly differ their chemical structure—they may be aliphatic, aromatic, may contain Cl, Br or I and various other substituents, which affects both physical and chemical properties as well as their biologic activity and durability [ 24 ]. It has been reported that N -halamine polymers exhibit strong antimicrobial activity against a broad spectrum of the pathogens dangerous for human: Gram-positive and Gram-negative bacteria, fungi as well as viruses [ 24 , 26 , 27 , 28 , 29 , 30 , 31 ]. In addition, the observed biocidal properties are strong and thus the required contact time is very short (less than five minutes) [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

N-Halamine Hydantoin-Containing Chitosan: Synthesis, Characterization, Thermal and Photolytic Stability Studies

Chylińska

Kaczmarek

2020

Molecules

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Current demand for new protective materials ensuring sterility is systematically growing. The purpose of this work was the synthesis of the biocidal N-halamine hydantoin-containing chitosan (CS-CMH-Cl) and characterization of its properties. The functionalization of the chitosan by 5-hydantoinacetic acid substitution leads to obtaining the CS-CMH polymer, which was chlorinated in next step to transform N-H into N-Cl bonds. In this study, the possibility of forming two biocidal N-Cl bonds in hydantoin ring, grafted onto chitosan chains, was proved. The structure and stability of the prepared material was confirmed by spectroscopic (FTIR, NMR, colorimetric test) and microscopic analyses (SEM, AFM). Surface properties were investigated based on contact-angle measurements. In addition, the thermal and photochemical stability of the obtained samples were determined as functional features, determining the range of potential use. It was found that both modified chitosan polymers (CS-CMH and CS-CMH-Cl) were characterized by the smaller thermal stability and more hydrophilic and rougher surface than unmodified CS. Photooxidative degradation of the obtained materials was observed mainly on the sample surface. After irradiation, the surfaces became more hydrophilic—especially in the case of the CS-CMH-Cl—which is advantageous from the point of view of the antibacterial properties. Antibacterial tests against S. aureus and E. coli confirmed the antibacterial activities of received CS-CMH-Cl material.

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Section: Introductionmentioning

confidence: 99%

N-Halamine Hydantoin-Containing Chitosan: Synthesis, Characterization, Thermal and Photolytic Stability Studies

Chylińska

Kaczmarek

2020

Molecules

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“…The sound and heat insulations are provided by nonwoven products in the automotive industry; in addition to these properties, the flame retardancy property is demanded due to protection standards . Although there are several methods to obtain functional textiles, general methods could be separated into three sections: (1) direct production of textile materials from high‐performance polymers, (2) providing functionality by coating high‐performance polymer onto the conventional fabrics, (3) addition of organic or inorganic compounds into the fabric during manufacturing or finishing processes . The second method is most preferred method to obtain multifunctional fabrics, because it is economical and safe for human health.…”

Section: Introductionmentioning

confidence: 99%

Polyimide‐coated fabrics with multifunctional properties: Flame retardant, UV protective, and water proof

Hiçyilmaz

Altın

Bedeloğlu

2019

J of Applied Polymer Sci

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Multifunctional technical textiles are of great interest both by industry and academia and these products are considered as high value-added products that contribute to the economies of countries. In this study, polyamic acid (PAA) was synthesized through polycondensation of pyromellitic dianhydride (PMDA) and 4,4 0 -oxydianiline (ODA) in dimethyl acetamide (DMAc) at low temperature. Then, PAA was coated onto woven cotton and polyester fabric by padding technique. Finally, polyimide (PI)-coated multifunctional cotton and polyester fabrics were obtained by an easy coating technique and low-temperature imidization. Thus, low cost, easily accessible and widely used cotton and polyester fabrics were converted to high-performance textile products, which are flame retardant, UV protective, acid resistant, and waterproof. The chemical, thermal, morphological, optical, mechanical, wettability, chemical resistance, and flame retardancy properties of developed fabrics were investigated. Optical results showed that both PI-coated cotton and polyester fabrics are UV-A protective compared to noncoated fabrics. Moreover, PI-coated samples have high contact angles which are 111.43 and 113.40 for PI-coated cotton (PI-c-C) and PI-coated polyester (PI-c-PET), respectively. Young's modulus of PI-c-PET fabrics increased four times more than noncoated polyester fabric. PI coating changed the burning behavior of both cotton and polyester fabrics in a positive way. All the test results showed that these developed multifunctional textile products might find an application in different industrial areas such as automotive, aerospace, protective clothing, and so on due to easy and inexpensive production techniques and also superior properties.

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“…The mainly used biocidal compounds include N ‐halamines ( N ‐chloramines and N ‐bromamines), quaternary ammonia salts, and heavy‐metal ions . N ‐halamines are famous and widely used biocidal groups since they are broad spectrum, rechargeable, very stable, and highly efficient .…”

Section: Introductionmentioning

confidence: 99%

Preparation of silicone containing 2,2,6,6‐tetramethyl‐4‐piperidinol‐basedN‐chloramine for antibacterial polyethylene via interpenetration in supercritical carbon dioxide

Chen

Wang

Zhang

et al. 2019

J of Applied Polymer Sci

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Functionalization of polyethylene (PE) with powerful biocides through a friendly and efficient procedure is necessary to obtain extended applications. A novel CO 2 -philic 2,2,6,6-tetramethyl-4-piperidinol (TMP)-based N-chloramine silicone was synthesized via Pt-catalyzed silane alcoholysis between the Si H of poly(methylhydrosiloxane) and O H of TMP and followed by chlorination of amine N H originating from TMP to N Cl. The TMP-based N-chloramine silicone was interpenetrated into PE using supercritical carbon dioxide (scCO 2 ) as working solvent. It was shown that the thickness of the TMP-based N-chloramine silicone layer on PE can be easily controlled by the interpenetration pressure, reaching a maximum value of 70 nm at 28 mp. The synthetic procedures and the interpenetration results were characterized by Fourier transform infrared, scanning electron microscopy, and X-ray photoelectron spectroscopy. In contrast with pristine PE that did not show biocidal ability, the TMP-based N-chloramine silicone modified PE imparted powerful antibacterial abilities, exerting total kills of both Staphylococcus aureus and Escherichia coli of~10 7 cfu mL −1 in 30 min. The biocidal functionality was durable toward washings, storage, and ultraviolet exposure and the recoverability of lost chlorines was good. The interpenetration in scCO 2 tactic provides an environmentally friendly and universal approach to functionalize inert substrates due to no needs of harmful solvent and chemical linkages with biocides.The mainly used biocidal compounds include N-halamines (Nchloramines and N-bromamines), 6-17 quaternary ammonia salts, 18-25 and heavy-metal ions. 26,27 N-halamines are famous and widely used biocidal groups since they are broad spectrum, rechargeable, very stable, and highly efficient. 28,29 Their antibacterial capacity originates from the positively charged halamines (+1) that function as oxidizing agents to oxidize or destruct enzymatic and/or metabolic activities of microorganisms. N-halamines are formed by halogenation of imide/amide/amine N H to N Cl or N Br. The corresponding structures are called imide/amide/amine N-halamines with a stability order of imide < amide < amine structures. 30 As an amine N-halamine precursor, 2,2,6,6-tetramethyl-4-piperidinol (TMP) is stable due to its hindered structure, 31 resistant to photodegradation due to its regular function as ultraviolet (UV) stabilizer, 32 and lack Additional Supporting Information may be found in the online version of this article.

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Dual antibacterial functional regenerated cellulose fibers

Cited by 24 publications

References 42 publications

N-Halamine Hydantoin-Containing Chitosan: Synthesis, Characterization, Thermal and Photolytic Stability Studies

N-Halamine Hydantoin-Containing Chitosan: Synthesis, Characterization, Thermal and Photolytic Stability Studies

Polyimide‐coated fabrics with multifunctional properties: Flame retardant, UV protective, and water proof

Preparation of silicone containing 2,2,6,6‐tetramethyl‐4‐piperidinol‐basedN‐chloramine for antibacterial polyethylene via interpenetration in supercritical carbon dioxide

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