Special Issue "Selected Papers from POLYMAR 2018"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Nanotechnology and Applied Nanosciences".

Deadline for manuscript submissions: closed (30 May 2019).

Special Issue Editors

Guest Editor
Prof. Dr. Jose María Lagaron Website E-Mail
Novel Materials and Nanotechnology Group Spanish Council for Scientific Research (CSIC) Av. Agustin Escardino 7, 46980 Paterna, Spain
Phone: +34-9639-00022
Interests: biopolymers; nanomaterials; antimicrobials; encapsulation; high barrier materials
Guest Editor
Dr. Luis Cabedo Mas Website E-Mail
Universitat Jaume I, s / n 12071 Castellón de la Plana, Spain
Interests: Biopolymers, packaging materials, polymer composites, nanocomposites
Guest Editor
Prof. Dr. Magda Krokida Website E-Mail
School of Chemical Engineering, National Technical University of Athens, Athens 106 82, Greece
Interests: design and optimization of physical processes, design and development of new products (especially foods), determination of the thermophysical properties of materials, as well as evaluation of the economic and environmental impact of several products and processes
Guest Editor
Prof. Dr. Branka Pilic Website E-Mail
Faculty of Technology, University of Novi Sad, 21000 Novi Sad, Serbia
Interests: Polymer nanocomposites, Biopolymer, Nanofiber
Guest Editor
Prof. Dr. Chris Sammon Website E-Mail
Sheffield Hallam University, Sheffield, S1 1WB, UK
Interests: Vibrational spectroscopy, drug delivery, hydrogels, regenerative medicine, polymer gels

Special Issue Information

Dear attendees,

We invite you to send full papers of your presentations to the Special Issue of Applied Sciences about POYMAR 2018. The POLYMAR 2018 conference intends to provide a welcoming forum for the polymer scientific community to meet up, showcase their latest work and activities and network with their peers. All attendees are expected to provide short talks, highlighting their main research results, interests and current activities. Although the conference is intended primarily for early career polymer scientists including early career group leaders, permanent researchers starting their own groups, early stage academics who are currently part of a group, post-docs and PhD and Master students, it is, in fact, open to anyone working in polymers.

The conference is also intended, like any related conference, to gather a “snapshot” of what is currently exciting in the area and it is also open to polymer scientists from industry. A major focus of the conference will be to gain value and perspective from the significant knowledge garnered over the years in the field. We recognize that macromolecular science is broad in scope and we hope that scientists, not familiar with the discipline, will find complementarity to their research and technological activities. We embrace interdisciplinary practitioners and anticipate researchers coming from the fields of analytical science, extreme materials, cosmetic, biomedicine, pharmaceutical, biotechnology, nanotechnology, packaging and food science and technology. In the current somewhat depressing international environment for research funding and employment opportunities, where national and industry funding is getting more and more scarce, it is a moment for the ESR community to pull together and in partnership find ways to take research into valuable action, either by forming international teams to tackle European or international Grand Challenge projects or by creating spin-offs to produce the next generation of technology-based industries.

Prof. Dr. Jose Maria LAGARON
Dr. Luis Cabedo Mas
Prof. Dr. Magda Krokida
Prof. Dr. Branka Pilic
Prof. Dr. Chris Sammon
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 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. Applied Sciences 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 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.

Published Papers (2 papers)

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Research

Open AccessArticle
Encapsulation of Fatty Oils into Electrospun Nanofibers for Cosmetic Products with Antioxidant Activity
Appl. Sci. 2019, 9(15), 2955; https://doi.org/10.3390/app9152955 - 24 Jul 2019
Abstract
Active compounds derived from pomegranate and sea-buckthorn were encapsulated into polylactide (PLA-based fibers) and poly(vinyl-pirrolidone) (PVP-based fibers) nanofibers using electrospinning technique. The focus was on the antioxidant activity of prepared nonwovens. Morphology, thermal, and mechanical properties were also examined. Due to the different [...] Read more.
Active compounds derived from pomegranate and sea-buckthorn were encapsulated into polylactide (PLA-based fibers) and poly(vinyl-pirrolidone) (PVP-based fibers) nanofibers using electrospinning technique. The focus was on the antioxidant activity of prepared nonwovens. Morphology, thermal, and mechanical properties were also examined. Due to the different physical and chemical properties of the basic polymers, the obtained results indicate that PLA-based fibers have better antioxidant activity than PVP-based ones. All prepared samples were formed from bead-less continuous fibers networks, but in the case of PLA-based samples some small irregularities in the structure occurred. Mechanical properties were improved with the addition of active compounds in most of the cases, while thermal properties were slightly affected. Preserved antioxidant activity of active compounds by encapsulation and good material properties significant for manipulation, make these functional materials promising candidates for application in cosmetics. Full article
(This article belongs to the Special Issue Selected Papers from POLYMAR 2018)
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Open AccessFeature PaperArticle
Assessment of Crystallinity Development during Fused Filament Fabrication through Fast Scanning Chip Calorimetry
Appl. Sci. 2019, 9(13), 2676; https://doi.org/10.3390/app9132676 - 30 Jun 2019
Abstract
Although semi-crystalline polymers are associated with considerably better mechanical properties and thermal stability compared to their amorphous counterparts, using them as feedstock for Fused Filament Fabrication still poses some major challenges. Hence, the development of printed part crystallinity during printing should be fully [...] Read more.
Although semi-crystalline polymers are associated with considerably better mechanical properties and thermal stability compared to their amorphous counterparts, using them as feedstock for Fused Filament Fabrication still poses some major challenges. Hence, the development of printed part crystallinity during printing should be fully understood in order to control the developed weld strength, as well as part shrinkage and warpage. Infrared thermography was utilized to record the thermal history of deposited layers while printing a single-layer wall geometry, employing two PA 6/66 copolymers with distinct molecular weights as feedstock. Print settings were varied to establish which settings are essential to effectively monitor final part crystallinity. The resulting temperature profiles were simulated in a Fast Scanning Chip Calorimetry device that allows for the rapid heating and cooling rates experienced by the printed polymer. Both liquefier temperature and print speed were found to have very little influence on the total attained crystallinity. It became apparent that the build plate, set at a temperature above the polymer’s glass transition temperature, imposes a considerable annealing effect on the printed part. A reduced molecular weight was observed to enhance crystallinity even more strongly. The presented methodology proves that Fast Scanning Chip Calorimetry is an effective tool to assess the impact of both print parameters and feedstock characteristics on the crystallization behavior of semi-crystalline polymers over the course of printing. Full article
(This article belongs to the Special Issue Selected Papers from POLYMAR 2018)
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