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Polymerization Technologies in the Presence of Nanoparticles

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A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Materials Processes".

Deadline for manuscript submissions: closed (20 February 2022) | Viewed by 7629

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Special Issue Editor

Dr. Ran Suckeveriene

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Guest Editor

Department of Water Industry Engineering, Kinneret Academic College, Galilee, Israel
Interests: polymer synthesis and processing; advanced polymers and nanocomposites; electrically conductive polymers and composites; hydrophilic and hydrophobic surface modifications; anti-microbial and anti-biofouling surfaces; polymer and composites characterization techniques

Special Issue Information

Dear Colleagues,

Polymeric nanocomposites are attracting significant attention as advanced materials and their applications in many fields, such as electrical and electronic, automotive and transportation, architecture and construction, and sports. For a long time, there has been a need for the development of polymeric materials with specific properties that require high functionality. To meet their needs, many nanocomposites with high functionality are newly researched and developed. High-functional nanocomposites must exhibit mechanical, electronic, or chemical performance in harsher and tougher conditions than normal.

This Special Issue Introduces the different approaches for polymerization techniques in the presence of nanoparticles. This Special Issue Introduces a wide range of high-functional nanocomposites such as high-performance polymers, high-temperature polymers, engineering materials for flexible displays, super-engineering polymers, high gas barrier films, and liquid crystalline polymers, etc.

This Special Issue will demonstrate the multidisciplinary aspect of the selected subject and bring together original papers and reviews covering (but not restricted to) the following topics:

Advanced design of nanocomposites with functional polymers and nanoparticles;
Development of controlled delivery systems based on nanocomposites;
Grafting of polymer chains to nanoparticle surfaces;
Drugs delivery incorporating nanoparticles in nanomedicine;
Design of smart nano-objects for target applications in EOR (enhanced oil recovery), pharmacy, agriculture, and water purification.

Dr. Ran Suckeveriene
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Processes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

polymerization
nanoparticles
nanocomposites
in situ
post-polymerization modification
grafting
step polymerization
polycondensation
controlled polymerization
free-radical polymerization

Published Papers (3 papers)

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Research

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8 pages, 3333 KiB

Open AccessArticle

Preparation of a Novel CO₂-Responsive Polymer/Multiwall Carbon Nanotube Composite

by Yonggang Ma, Xin Chen, Dehui Han, Zhe Zhao and Wenting Lu

Processes 2021, 9(9), 1638; https://doi.org/10.3390/pr9091638 - 11 Sep 2021

Viewed by 1588

Abstract

A CO₂-responsive composite of multiwall carbon nanotube (MWCNT) coated with polydopamine (PDA) and polydimethylamino-ethyl methacrylate (PDMAEMA) was prepared. The PDA was first self-polymerized on the surface of carbon nanotube. 2-bromoisobutyryl bromide (BiBB) was then immobilized by PDA and then initiated the ATRP of DMAEMA on the carbon nanotube surface. The resulting composite was characterized by Fourier-transform infrared spectroscopy (FTIR) and transmission electron microscopy (TEM). The CO₂-responsive test was performed by bubbling CO₂ into the mixture of MWCNT-PDA-PDMAEMA composite in water. A well-dispersed solution was obtained and the UV-Vis transmittance decreased dramatically. This is attributed to the reaction between PDMAEMA and CO₂. The formation of ammonium bicarbonates on the surface of carbon nanotubes leads to the separation of nanotube bundles. This process can be reversed as the removal of CO₂ by bubbling N₂. Full article

(This article belongs to the Special Issue Polymerization Technologies in the Presence of Nanoparticles)

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13 pages, 4171 KiB

Open AccessArticle

Preparation of Hybrid Polyaniline/Nanoparticle Membranes for Water Treatment Using an Inverse Emulsion Polymerization Technique under Sonication

by Itamar Chajanovsky and Ran Y. Suckeveriene

Processes 2020, 8(11), 1503; https://doi.org/10.3390/pr8111503 - 20 Nov 2020

Cited by 6 | Viewed by 2181

Abstract

This manuscript describes a novel in situ interfacial dynamic inverse emulsion polymerization process under sonication of aniline in the presence of carbon nanotubes (CNT) and graphene nanoparticles in ethanol. This polymerization method is simple and very rapid (up to 10 min) compared to other techniques reported in the literature. During polymerization, the nanoparticles are coated with polyaniline (PANI), forming a core-shell structure, as confirmed by high-resolution scanning electron microscopy (HRSEM) and Fourier-Transform Infrared (FTIR) measurements. The membrane pore sizes range between 100–200 nm, with an average value of ~119 ± 28.3 nm. The film resistivity decreased when treated with alcohol, and this behavior was used for selection of the most efficient alcohol as a solvent for this polymerization technique. The membrane permeability of the PANI grafted CNT was lower than the CNT reference, thus demonstrating better membranal properties. As measured by water permeability, these are ultrafiltration membranes. An antimicrobial activity test showed that whereas the reference nanoparticle Bucky paper developed a large bacterial colony, the PANI grafted CNT sample had no bacterial activity. The thicker, 2.56 mm membranes exhibited high salt removal properties at a low pressure drop. Such active membranes comprise a novel approach for future water treatment applications. Full article

(This article belongs to the Special Issue Polymerization Technologies in the Presence of Nanoparticles)

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Review

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21 pages, 8022 KiB

Open AccessFeature PaperReview

Ultrasonically Induced Polymerization and Polymer Grafting in the Presence of Carbonaceous Nanoparticles

by Sarah Cohen, Evgeni Zelikman and Ran Yosef Suckeveriene

Processes 2020, 8(12), 1680; https://doi.org/10.3390/pr8121680 - 19 Dec 2020

Cited by 8 | Viewed by 3055

Abstract

Nanotechnology refers to technologies using at least one nanometric dimension. Most advances have been in the field of nanomaterials used in research and industry. The vast potential of polymeric nanocomposites for advanced materials and applications such as hybrid nanocomposites with customized electrical conductivity, anti-bacterial, anti-viral, and anti-fog properties have attracted considerable attention. The number of studies on the preparation of nanocomposites in the presence of carbon materials, i.e., carbon nanotubes (CNTs) and graphene, has intensified over the last decade with the growing interest in their outstanding synergic properties. However, the functionality of such nanocomposites depends on overcoming three key challenges: (a) the breakdown of nanoparticle agglomerates; (b) the attachment of functional materials to the nanoparticle surfaces; and (c) the fine dispersion of functional nanoparticles within the polymeric matrices. Ultrasonic polymerization and grafting in the presence of nanoparticles is an innovative solution that can meet these three challenges simultaneously. These chemical reactions are less well known and only a few research groups have dealt with them to date. This review focuses on two main pathways to the design of ultrasonically induced carbon-based nanocomposites: the covalent approach which is based on the chemical interactions between the carbon fillers and the matrix, and the non-covalent approach which is based on the physical interactions. Full article

(This article belongs to the Special Issue Polymerization Technologies in the Presence of Nanoparticles)

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