Special Issue "Advanced Polymeric Materials"

A special issue of Polymers (ISSN 2073-4360).

Deadline for manuscript submissions: 31 January 2020.

Special Issue Editors

Prof. Dr. Chin Han Chan
E-Mail Website
Guest Editor
MARA University of Technology, Malaysia
Interests: polymer electrolytes, polymer blends, phase behavior
Prof. Dr. Gregory T. Russell
E-Mail
Guest Editor
School of Physical and Chemical Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
Tel. +64-3-3695129; Fax: +64-33-642-110
Interests: kinetics; modeling and theory of radical polymerization; emulsion polymerization
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

Papers are sought from the presenters at the International Symposium on Advanced Polymeric Materials 2019 (ISAPM2019), which is part of the 4th International Symposium on Polymeric Materials, to be held under the auspices of the International Congress on Pure and Applied Chemistry Yangon 2019 (ICPAC2019) from 6th—9th August 2019 at the Rose Garden Hotel, Yangon, Myanmar. This event is dedicated to professional networking and research collaboration and dissemination of the most recent scientific advances in various areas, such as latexes, plastics, adhesives, etc. The theme of “Functional Polymeric Materials, Characterization, and Applications” has been chosen. Details of ISAPM2019 can be accessed on www.icpacyangon2019.org.
On top of that, submission from authors who are not the presenters at ISAPM2019 is most welcome. Contributions on functional polymeric materials from synthesis, characterization, processing, and application are of interest.

The focuses of this Special Issue are as follows:

  • (1) Polymer composites and nanocomposites
  • (2) Advanced functional polymeric materials
  • (3) Advances in polymer synthesis and processing
  • (4) Application of polymer composites in industry
  • (5) Biological, biomedical, and environmentally-friendly polymers
  • (6) Polymeric materials for clean and sustainable energy
  • (7) Polymer characterization
  • (8) Durability and performance.

Timeline: 1st March 2019—31st January 2020 (normal submission); 1st September 2019—31st January 2020 (ISAPM2019 presenters)

Dr. Chin Han Chan
Prof. Dr. Gregory T. Russell
Guest Editors

Manuscript Submission Information

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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 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 1500 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

  • Functional polymer synthesis;
  • Advanced polymer processing;
  • Polymer characterization;
  • Polymer applications;
  • Durability;
  • Performance.

Published Papers (5 papers)

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Research

Open AccessArticle
Facile Liquid-Exfoliation Process of Boron Nitride Nanosheets for Thermal Conductive Polyphthalamide Composite
Polymers 2019, 11(10), 1628; https://doi.org/10.3390/polym11101628 - 09 Oct 2019
Abstract
In this study, we describe the fabrication of thermally conductive composites based on a polyphthalamide (PPA) matrix by the exfoliation of hexagonal BN nanosheets (BNNs) via the melt-mixing method. Boron nitride (BN) particles were hydroxyl groups surface-treated with sodium hydroxide (NaOH). Compared with [...] Read more.
In this study, we describe the fabrication of thermally conductive composites based on a polyphthalamide (PPA) matrix by the exfoliation of hexagonal BN nanosheets (BNNs) via the melt-mixing method. Boron nitride (BN) particles were hydroxyl groups surface-treated with sodium hydroxide (NaOH). Compared with existing BN peeling experiments, we successfully produced BNNs that are simpler, more economical, and have an excellent aspect ratio. For the same weight content of BN and BNNs, PPA/BN composites surface-treated with high aspect ratio BNNs have a high in-plane and through-plane thermal conductivity because of the intercalation of the hydroxyl group surface treatments between BN and PPA, which not only increases the wettability but also provides a good heat transfer path. Moreover, wide and thin BNNs are evenly dispersed inside the PPA/BN composite to provide excellent heat transfer paths in both in-plane and through-plane directions. Full article
(This article belongs to the Special Issue Advanced Polymeric Materials)
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Open AccessArticle
Poly (1-butene-ran-ethylene) Monomodal Copolymers from Metallocene Catalysts: Structural and Morphological Differences with Increasing Ethylene Content
Polymers 2019, 11(7), 1133; https://doi.org/10.3390/polym11071133 - 03 Jul 2019
Abstract
Samples of random poly(butene-ran-ethylene) copolymers produced with metallocene catalysts were studied in order to elucidate the different behaviors of this particular class of materials as a function of increasing ethylene (C2) content. The samples cooled down from the melt are semi-crystalline [...] Read more.
Samples of random poly(butene-ran-ethylene) copolymers produced with metallocene catalysts were studied in order to elucidate the different behaviors of this particular class of materials as a function of increasing ethylene (C2) content. The samples cooled down from the melt are semi-crystalline or amorphous and crystallize in different crystal modifications, depending on the amount of C2. Thermal analysis, X-ray diffraction, and microscopic techniques were used to follow the changes of the materials with aging time and to understand the structural and morphological behavior with the aim of highlighting possible peculiar properties, which may be of great interest in the application of such materials in the field of Hot Melt adhesives. Full article
(This article belongs to the Special Issue Advanced Polymeric Materials)
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Open AccessArticle
Super-Toughened Poly(lactic Acid) with Poly(ε-caprolactone) and Ethylene-Methyl Acrylate-Glycidyl Methacrylate by Reactive Melt Blending
Polymers 2019, 11(5), 771; https://doi.org/10.3390/polym11050771 - 01 May 2019
Cited by 2
Abstract
In recent years, poly(lactic acid) (PLA) has attracted more and more attention as one of the most promising biobased and biodegradable polymers. However, the inherent brittleness significantly limits its wide application. Here, ternary blends of PLA, poly(ε-caprolactone) (PCL) with various amounts of ethylene-methyl [...] Read more.
In recent years, poly(lactic acid) (PLA) has attracted more and more attention as one of the most promising biobased and biodegradable polymers. However, the inherent brittleness significantly limits its wide application. Here, ternary blends of PLA, poly(ε-caprolactone) (PCL) with various amounts of ethylene-methyl acrylate-glycidyl methacrylate (EMA-GMA) terpolymer were fabricated through reactive melt blending in order to improve the toughness of PLA. The effect of different addition amounts of EMA-GMA on the mechanical properties, interfacial compatibility and phase morphology of PLA/PCL blends were studied. The reactions between the epoxy groups of EMA-GMA and carboxyl and hydroxyl end groups of PLA and PCL were investigated thorough a Fourier transform infrared (FT-IR). The miscibility and thermal behavior of the blends were studied through a dynamic mechanical analysis (DMA), differential scanning calorimetric (DSC) and X-ray diffraction (XRD). The phase morphology and impact fracture surface of the blends were also investigated through a scanning electron microscope (SEM). With the addition of 8 phr EMA-GMA, a PLA/PCL (90 wt %:10 wt %)/EMA-GMA ternary blend presenting a suitable multiple stacked phase structure with an optimum interfacial adhesion exhibited an elongation at break of 500.94% and a notched impact strength of 64.31 kJ/m2 with a partial break impact behavior. Finally, the toughening mechanism of the supertough PLA based polymers have been established based on the above analysis. Full article
(This article belongs to the Special Issue Advanced Polymeric Materials)
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Open AccessArticle
Study on Surface Properties of Aramid Fiber Modified in Supercritical Carbon Dioxide by Glycidyl-POSS
Polymers 2019, 11(4), 700; https://doi.org/10.3390/polym11040700 - 17 Apr 2019
Cited by 1
Abstract
The outstanding diffusivity and permeability of supercritical carbon dioxide (scCO2) are extremely beneficial for grafting reaction. In this work, aramid fibers (AF) are modified in scCO2 by glycidyl-polyhedral oliomeric silsesquioxane (POSS) with 2-ethyl-4-methylimidazole (2E4MZ) on the basis of cleaning with [...] Read more.
The outstanding diffusivity and permeability of supercritical carbon dioxide (scCO2) are extremely beneficial for grafting reaction. In this work, aramid fibers (AF) are modified in scCO2 by glycidyl-polyhedral oliomeric silsesquioxane (POSS) with 2-ethyl-4-methylimidazole (2E4MZ) on the basis of cleaning with acetone. The surface morphology and chemical structure of the modified AF were measured and characterized by Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), Scanning electron microscope (SEM), Thermogravimetric (TG), and Atomic force microscope (AFM). The interfacial shear strength (IFSS) was measured by a micro-bond pull-out test, then the modified AF/EP composites were prepared and the interlaminar shear strength (ILSS) was characterized. Research has shown that some of the glycidyl-POSS molecular chains permeated into the surface of the fiber and grafted onto the surface of the AF after modification, and the other glycidyl-POSS self-assembled on the surface of the fiber. XPS indicated the introduction of C–O and –COO–, which confirmed the existence of chemical reactions between AF and glycidyl-POSS. AFM and SEM images revealed that 2E4MZ, not only promoted the grafting reaction of glycidyl-POSS, but also intensified the self-assembly of glycidyl-POSS, both of which increased the roughness of the fiber. A monofilament tensile test and micro-bond pull-out test showed that there was a negative effect on the tensile strength after scCO2 processing. The tensile strength of modified AF, with glycidyl-POSS, increased the highest strength of 25.7 cN dtex−1, which was 8% higher than that of pristine AF. The improvement of ILS roughness and the polar chemical groups produced in grafting reaction. These results indicated that AF, treated in scCO2, with glycidyl-POSS, which is a suitable way of fiber modification, can significantly improve the surface adhesion of AF reinforced composites. Full article
(This article belongs to the Special Issue Advanced Polymeric Materials)
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Open AccessArticle
Spectral Properties of PMMA Films Doped by Perylene Dyestuffs for Photoselective Greenhouse Cladding Applications
Polymers 2019, 11(3), 494; https://doi.org/10.3390/polym11030494 - 14 Mar 2019
Cited by 1
Abstract
Luminescent polymethylmethacrylate (PMMA) films were prepared by the solvent-casting technique from polymer solution doped with different concentrations of red perylene dyestuffs (KREMER 94720 and KREMER 94739). The effect of the dye concentration on the structure and spectroscopic properties was studied using X-ray diffraction [...] Read more.
Luminescent polymethylmethacrylate (PMMA) films were prepared by the solvent-casting technique from polymer solution doped with different concentrations of red perylene dyestuffs (KREMER 94720 and KREMER 94739). The effect of the dye concentration on the structure and spectroscopic properties was studied using X-ray diffraction (XRD), transmission electron microscope (TEM) optical absorption, and fluorescence spectroscopy. The optimum dye concentration of photoselective PMMA films was determined by the fluorescence spectroscopy measurements and showed the best emission properties for the doping concentration 10−3 wt % of the investigated dyes. The accelerated photostability tests showed promising stability of the prepared films towards terrestrial solar ultraviolet radiation (UVA). The results endorsed a promising application of the investigated films in photoselective greenhouse cladding applications as the optimized film fluoresces at the action spectra of special chlorophyll a. Full article
(This article belongs to the Special Issue Advanced Polymeric Materials)
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