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Polymers
Special Issues
Sonochemistry for Polymer Synthesis
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Sonochemistry for Polymer Synthesis

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Chemistry".

Deadline for manuscript submissions: closed (20 January 2019)

Special Issue Editors

Dr. Francesca Cavalieri

E-Mail Website
Guest Editor
ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Melbourne, Parkville, VIC 3010, Australia
Interests: biomaterials for targeted drug/gene delivery and biosensing cell-nanomaterials interaction; supramolecular assembly of natural and synthetic polymers; ultrasonic synthesis of bio-inspired materials; polymeric microbubbles
Dr. Boon Mian Teo

E-Mail Website
Guest Editor
School of Chemistry, Monash University, Clayton VIC 3800, Australia
Interests: emulsion polymerisation; Janus particles; pickering emulsions; sonochemistry; ultrasound for theranostics applications; microbubbles and perflurocarbon based emulsions; carbon nanoparticles; biopolymers; liposomes as drug carriers and gold nanoparticles

Special Issue Information

Dear Colleagues,

We are organising a Special Issue entitled “Sonochemistry for Polymer Synthesis” and we are excited to invite you to make an outstanding contribution to this issue.

In recent years, ultrasound has been widely used as a green technology for polymer synthesis, polymer assembly and crosslinking. Compared to the conventional processes, ultrasound-induced polymer synthesis and modification have several advantages: no use of chemical initiators or crosslinkers, lower reaction temperatures, faster polymerization rates and higher monomer conversion. This is due to the fascinating phenomenon known as acoustic cavitation, which generates primary radicals upon dissociation of the water molecules.

This Special Issue is concerned with the recent advances in the use of ultrasound in a range of polymeric materials synthesis. This issue can also address fundamental results on polymerisation kinetics using ultrasound, different types of polymeric nanocomposite materials, novel polymeric colloids and microbubbles, which will help compile the current state-of-the-art and to highlight the fascinating effect of ultrasound on nanomaterial synthesis. Both original contributions and reviews are welcome.

Dr. Francesca Cavalieri
Dr. Boon Mian Teo
Guest Editors

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 submissions that pass pre-check are 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. Polymers is an international peer-reviewed open access semimonthly 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 2700 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

  • acoustic cavitation
  • ultrasound
  • radicals
  • emulsion and solution polymerisation
  • nanocomposites
  • colloids
  • polymeric microbubbles
  • polymeric nanoparticles
  • proteins
  • polysaccharides
  • nucleic acids
  • polyphenols

Published Papers (2 papers)

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13 pages, 2523 KiB  
Article
An Ultrasonic Fabrication Method for Epoxy Resin/SbSI Nanowire Composites, and their Application in Nanosensors and Nanogenerators
by Piotr Szperlich and Bartłomiej Toroń
Polymers 2019, 11(3), 479; https://doi.org/10.3390/polym11030479 - 12 Mar 2019
Cited by 16 | Viewed by 3700
Abstract
In this manuscript, a new fabrication technology for epoxy resin/antimony sulpho-iodide (SbSI) nanowire composites is presented. SbSI nanowires, with lateral dimensions of 10 nm to 100 nm and lengths up to several micrometres, have been synthesised using ultrasound irradiation. The prepared SbSI nanowires [...] Read more.
In this manuscript, a new fabrication technology for epoxy resin/antimony sulpho-iodide (SbSI) nanowire composites is presented. SbSI nanowires, with lateral dimensions of 10 nm to 100 nm and lengths up to several micrometres, have been synthesised using ultrasound irradiation. The prepared SbSI nanowires have been bound with epoxy resin in a mass ratio of 1:4, and then ultrasound irradiation has been used again for homogenization of the mixture. The fabricated epoxy resin/SbSI nanowire composites, due to the piezoelectric properties of SbSI (electromechanical coefficient k33 = 0.9, and piezoelectric coefficient dV = 0.9 × 10−9 C/N) may be used as an active layer in nanosensors and nanogenerators. The preliminary investigations of epoxy resin/SbSI nanowire composites for sound excitation (frequency f = 175 Hz; L = 90 dB), vibrations (f = 24 Hz; A = 1 mm; F = 0.73 N), and shock wave (p = 6 bar), allowed for the determination of the composite’s open circuit voltage: 0.0153 VRMS, 0.166 VRMS, and 4.51 Vp-p, respectively. Maximum power output densities of 0.45 nW/cm3 and 860 nW/cm3 have been achieved for excitation by sound and vibration, respectively, for a 0.6 mm thick layer of composite. Full article
(This article belongs to the Special Issue Sonochemistry for Polymer Synthesis)
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15 pages, 6490 KiB  
Brief Report
A Short Report on the Polymerization of Pyrrole and Its Copolymers by Sonochemical Synthesis of Fluorescent Carbon Dots
by Moorthy Maruthapandi and Aharon Gedanken
Polymers 2019, 11(8), 1240; https://doi.org/10.3390/polym11081240 - 26 Jul 2019
Cited by 20 | Viewed by 5286
Abstract
In polymer chemistry, polymerization constitutes the process of the conversion of monomers into polymers using an initiator to form polymeric chains. There are many polymerization techniques and different systems exist by which the polymers are classified. Recently, our group has reported the synthesis [...] Read more.
In polymer chemistry, polymerization constitutes the process of the conversion of monomers into polymers using an initiator to form polymeric chains. There are many polymerization techniques and different systems exist by which the polymers are classified. Recently, our group has reported the synthesis of polymers using both carbon dots (CDs) and UV light as initiators. In these reports, the carbon dots were used with or without UV light. The CDs produce free radicals in the presence of UV light, indicating their role as initiators. The CD surface has many unshared or unpaired electrons, making it negatively charged. The present study focuses on the use of CDs for the formation of polymers from monomers containing various functional group. The properties of the synthesized CDs and the polymers obtained from the various monomers were characterized by various analytical techniques, including Fourier-Transform Infrared (FTIR) spectroscopy, X-ray Diffraction (XRD), Thermogravimetric Analysis (TGA) and Solid-State NMR spectroscopy. This polymerization technique is of interest both from the scientific aspect and for its applicative potential. The synthesized polymers were investigated for their various applications. Full article
(This article belongs to the Special Issue Sonochemistry for Polymer Synthesis)
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