The Influence of Surface Modification on Related Functional Properties of Wool and Hemp

Jovančić, Petar; Jočić, D.; Radetić, Maja; Topalovic, Tatjana; Petrović, Zoran Lj.

doi:10.4028/www.scientific.net/msf.494.283

Cited by 10 publications

(4 citation statements)

References 26 publications

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“…The major work so far was focused on the plasma modification of wool due to its very complex structure and properties [143][144][145][146][147][148][149][150][151][152][153][154][155][156]. The numerous problematic issues corresponding to conventional wet-finishing processes and maintenance of the wool products can be overcome or reduced by plasma processing.…”

Section: Plasma Treatment Of Textilesmentioning

confidence: 99%

“…The layer of covalently bound fatty acids on the wool fibre surface acts as a natural hydrophobic barrier for the diffusion of water and dye molecules into the fibre interior. In addition to oxidation and/or partial removal of fatty layer, plasma treatment induces a formation of new polar functional groups and conversion of the cystine to cysteic acid in the surface layers of the fibre [137,143,144,146,155]. Simultaneously, the fibre surface becomes rougher as a result of plasma etching and sputtering.…”

Section: Plasma Treatment Of Textilesmentioning

confidence: 99%

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Nanotechnology for Electronics, Photonics, and Renewable Energy

Korkin¹,

Krstić²,

Wells³

2010

Nanostructure Science and Technology

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), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights.Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com) PrefaceTutorial lectures given by world-renowned researchers have become one of the important traditions of the Nano and Giga Challenges (NGC) conference series. Soon after preparations had begun for the first forum, NGC2002, 1 in Moscow, Russia, the organizers realized that publication of the lectures notes would be a valuable legacy of the meeting and a significant educational resource and knowledge base for students, young researchers, and senior experts. Our first book was published by Elsevier and received the same title as the meeting itself-Nano and Giga Challenges in Microelectronics. 2 Our second book, Nanotechnology for Electronic Materials and Devices, 3 based on the tutorial lectures at NGC2004 4 in Krakow, Poland, the third book from NGC2007 5 in Phoenix, Arizona, and the current book from joint NGC2009 and CSTC2009 6 meeting in Hamilton, Ontario, have been published in Springer's Nanostructure Science and Technology series. Hosted by McMaster University, the meeting NGC/CSTC 2009 was held as a joint event of two conference series, Nano and Giga Challenges (Nano & Giga Forum) and Canadian Semiconductor Technology Conferences (CSTC), bringing together the networks and expertise of both professional forums.Informational (electronics and photonics), renewable energy (solar systems, fuel cells, and batteries), and sensor (nano and bio) technologies have reached a new stage in their development in terms of engineering limits to cost-effective improvement of current technological approaches. The latest miniaturization of electronic devices is approaching atomic dimensions. Interconnect bottlenecks are limiting circuit speeds, new materials are being introduced into microelectronics manufacture at an unprecedented rate, and alternative technologies to mainstream CMOS are being considered. The low cost of natural energy sources and ignorance of the limits and environmental impact from use of natural carbon-based fuels have been long-standing economic barriers to the development of alternative and more efficient solar systems, fuel cells, and batteries. Nanotechnology is widely accepted as a source of potential solutions in securing future progress in information and energy technologies. Nanotechnology as the art (i.e., science and technique) of control, manipulation, and fabrication of devices with structural and functional attributes smaller than 100 nm is perfectly suited to advanced CMOS technology. Th...

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Section: Plasma Treatment Of Textilesmentioning

confidence: 99%

Section: Plasma Treatment Of Textilesmentioning

confidence: 99%

Nanotechnology for Electronics, Photonics, and Renewable Energy

Korkin¹,

Krstić²,

Wells³

2010

Nanostructure Science and Technology

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show abstract

“…Materials and surface structures can be fabricated that are not attainable by any other commercial method, and the surface properties of materials can be modified in unique ways. Surface modification by low pressure plasma treatment illustrates many important advantages over techniques such as environmental safety, uniformity and reproducibility, variety of reagent gases, and selective modification with minimization of bulk property change 1–4…”

Section: Introductionmentioning

confidence: 99%

“…It is about 2.5 nm thick and amounts to approximately 0.1% of the weight of the fiber. The wool fiber exhibits hydrophobic properties due to the presence of this fatty layer, which surrounds each cuticle cell 3, 6–8…”

Section: Introductionmentioning

confidence: 99%

Surface modification of textiles by glow discharge technique: Part II: Low frequency plasma treatment of wool fabrics with acrylic acid

Kutlu

Akşit

Mutlu

2010

J of Applied Polymer Sci

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In this study, wool fibers are modified by low frequency plasma polymerization of acrylic acid regarding to its' hydrophobic character due to cuticular cells at their surfaces. Variables of the plasma glow discharge processes were power (40-100 W) and exposure time (5-45 min). The effect of plasma modification in the performance properties of wool were investigated on the basis of hydrophilicity of wool, average wrinkle recovery angle, and breaking strength. The surface chemical structures of fabrics were examined with x-ray photoelectron spectroscopy. The hydrophobic wool fabric became hydrophilic after all plasma treatments except one (40W-5 min).Average wrinkle recovery angle of the treated fabrics were between 157 and 178 , while that of untreated fabric was 180. The treated fabrics had a little bit lower angles according to the untreated fabric. However, even the lowest value as 157 means that the fabric has a good crease resistance property. The breaking strengths of fabrics were increased up to 26% after the plasma treatments.

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Modified hemp fibers intended for fiber‐reinforced polymer composites used in structural applications—A review. I. Methods of modification

Tanasă¹,

Zănoagă²,

Teacă³

et al. 2019

Polymer Composites

116

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Natural fiber composites have experienced a renaissance in the last two decades as a response to societal demands for developing eco‐friendly, biodegradable and recyclable materials. They are now being extensively used in everyday products as well as in automotive, packaging, sports and construction industries. Hemp fiber is being used in most of these products because of its superior mechanical properties. Like other natural fibers, hemp fibers require modifications in order to improve their properties and interfacial bonding with polymer matrices, and to reduce their hydrophilic character. These modification methods can be grouped into three major categories: chemical, physical and biological. Chemical methods use chemical reagents to reduce fibers' hydrophilic tendency and thus improve compatibility with the matrix. They also expose more reactive groups on the fiber surface to facilitate efficient coupling with the matrix. Physical methods change structural and surface properties of the fiber and thereby influence the interfacial bonding with matrices, without extensively changing the chemical composition of the fibers. They are cleaner and simpler than the chemical methods. Biological methods use biological agents like fungi, enzymes and bacteria to modify the fiber surface properties. These methods are not toxic like chemical methods and are not energy‐intensive like physical methods. This paper presents an overview of recent developments in these methods. It is concluded that these methods almost invariably result in improvement in fiber/matrix interfacial bonding, resulting in increase in mechanical properties of the composites.

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The Influence of Surface Modification on Related Functional Properties of Wool and Hemp

Cited by 10 publications

References 26 publications

Nanotechnology for Electronics, Photonics, and Renewable Energy

Nanotechnology for Electronics, Photonics, and Renewable Energy

Surface modification of textiles by glow discharge technique: Part II: Low frequency plasma treatment of wool fabrics with acrylic acid

Modified hemp fibers intended for fiber‐reinforced polymer composites used in structural applications—A review. I. Methods of modification

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