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Polymers
Special Issues
Polymeric Nanomaterials in Environmental Science
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Polymeric Nanomaterials in Environmental Science

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Circular and Green Polymer Science".

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 4627

Special Issue Editors

Dr. Agnieszka Dąbrowska

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Guest Editor
Laboratory of Spectroscopy and Intermolecular Interactions, Faculty of Chemistry University of Warsaw, Warsaw, Poland
Interests: marine chemistry; chemical oceanography; marine environment; marine microplastics; nanoplastics; ecotoxicology; Plastisphere; FTIR; Raman spectroscopy; numerical modelling of surfaces
Special Issues, Collections and Topics in MDPI journals
Dr. Barbara Urban-Malinga

E-Mail Website
Guest Editor
Department of Fisheries Oceanography and Marine Ecology, National Marine Fisheries Research Institute, Kołłątaja 1, 81-332 Gdynia, Poland
Interests: marine environment; marine fauna; benthos; marine litter; microplastics; nanomaterials; ecotoxicology
Prof. Dr. Sabu Thomas

E-Mail Website1 Website2
Guest Editor
1. International and Interuniversity Centre for Nano Science and Nano Technology, Mahatma Gandhi University, Kottayam 686560, India
2. Basic Department of Biotechnology, School of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av., 660041 Krasnoyarsk, Russia
Interests: nanomaterials; polymer blends; fiber-filled polymer composites; polymer nanocomposites; aging and degradation; pervaporation phenomena; sorption and diffusion; interpenetrating polymer systems; recyclability and reuse of waste plastics and rubbers; elastomer crosslinking; dual porous nanocomposite scaffolds for tissue engineering; polymer nanocomposites for electronic applications; water purification; energy storage
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The XXI century can undoubtfully be called the "Plastic Era", as synthetic materials have become ubiquitous and, to some extent, inceasingly "natural". This Special Issue focuses on the various aspects of the interaction between polymers and the environment. The topics of interest are (but not limited to) plastisphere, microplastics, green materials, ecotoxicology, nanocomposites, materials for bioremediation. Polymers can pose a serious threat to pristine habitats, but on the other hand, they offer the opportunity to face the challenges of the modern world and may help to save the planet. This Special Issue is an open call for papers addressing both perspectives. Research papers, results of theoretical modelling, and perspective articles are welcome.   

Dr. Agnieszka Dąbrowska
Dr. Barbara Urban-Malinga
Prof. Dr. Sabu Thomas
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

  • Plastisphere
  • Microplastic
  • Nanoplastic
  • Green Polymers
  • Ecology
  • Ecotoxicology
  • Sustainable Materials
  • Nanocomposites
  • Biointeractions

Published Papers (2 papers)

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Research

26 pages, 10351 KiB  
Article
Performance of Porous Slabs Using Recycled Ash
by Taha Awadallah El-Sayed
Polymers 2021, 13(19), 3319; https://0-doi-org.brum.beds.ac.uk/10.3390/polym13193319 - 28 Sep 2021
Cited by 9 | Viewed by 1612
Abstract
Permeable concrete is an environmentally friendly material that improves water permeability and slip resistance. The manuscript describes a new study aimed at improving the strength of permeable concrete obtained using local materials for the partial replacement of cement with rice and wheat straw [...] Read more.
Permeable concrete is an environmentally friendly material that improves water permeability and slip resistance. The manuscript describes a new study aimed at improving the strength of permeable concrete obtained using local materials for the partial replacement of cement with rice and wheat straw ash due to the high amount of silica and pozzolanic characteristics present in the ash. For this purpose, nine concrete mixes were made (Phase I). The mixes were classified into four groups: Group A, with cement/aggregate ratios of 0.23, 0.34, and 0.44 for Mixes 1, 2, and 3, respectively; Group B, with sand added at 10% and 15% to the coarse aggregate for Mixes 4 and 5; Group C, with rice straw ash replacement ratios of 10% and 15% in the cement for Mixes 6 and 7; and, finally, Group D with wheat straw ash replacement ratios of 10% and 15% in the cement for Mixes 8 and 9. For Groups B to D, the water/binder ratio was 0.238. Fresh and hardened concrete tests were conducted. The results showed that Mixes C and D, which contained rice and wheat straw ash, increased the compaction factor due to their spherical shape and higher surface area compared with traditional pervious concrete. Additionally, permeability and porosity increased slightly for the mixes using rice and wheat straw ash. This could be attributed to increasing the interconnected voids. Optimum porosity was reached with 15% rice straw ash. The optimum mix design from Phase I was used in Phase II. Therefore, six pervious concrete slabs, reinforced with different types of reinforcement, were tested under flexural load. With the help of ANSYS, a finite element model was created to verify the results of experiments. The results of the numerical simulation are consistent with the results of the experiment. This article represents a definite step to new knowledge in the field of research of permeable concrete obtained using the partial replacement of cement with rice and wheat straw ash. Hence, this form of concrete can be used for parking lot paving, sludge beds for sewage plants, swimming pool surfaces, bridge walkways, zoo area floors, and animal barns. This concrete can also be used in applications requiring lightweight concrete. Full article
(This article belongs to the Special Issue Polymeric Nanomaterials in Environmental Science)
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20 pages, 11718 KiB  
Article
The Proposal and Necessity of the Numerical Description of Nano- and Microplastics’ Surfaces (Plastisphere)
by Agnieszka Dąbrowska, Marianna Gniadek and Piotr Machowski
Polymers 2021, 13(14), 2255; https://0-doi-org.brum.beds.ac.uk/10.3390/polym13142255 - 09 Jul 2021
Cited by 4 | Viewed by 2247
Abstract
The constantly growing amount of synthetic materials < 5 mm, called microplastics (MPs), is fragmented in the environment. Thus, their surface, Plastisphere, is substantially increasing forming an entirely new ecological niche. It has already been extensively studied by microbiologists observing the biofilm and [...] Read more.
The constantly growing amount of synthetic materials < 5 mm, called microplastics (MPs), is fragmented in the environment. Thus, their surface, Plastisphere, is substantially increasing forming an entirely new ecological niche. It has already been extensively studied by microbiologists observing the biofilm and by material scientists interested in the weathering of polymer materials. This paper aims to construct a bridge between the physical and chemical description of the Plastisphere and its microbiological and ecological significance. Various algorithms, based on the analysis of pictures obtained by scanning electron microscopy (SEM), are proposed to describe in detail the morphology of naturally weathered polymers. In particular, one can study the size and distribution of fibres in a standard filter, search the synthetic debris for mapping, estimate the grain size distribution, quantitatively characterize the different patterns of degradation for polymer spheres and ghost nets, or calculate the number of pores per surface. The description and visualization of a texture, as well as the classification of different morphologies present on a surface, are indispensable for the comprehensive characterization of weathered polymers found inside animals (e.g., fishes). All these approaches are presented as case studies and discussed within this work. Full article
(This article belongs to the Special Issue Polymeric Nanomaterials in Environmental Science)
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