Advances in Polymer Foams, Textiles and Composites

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

Deadline for manuscript submissions: closed (28 January 2022) | Viewed by 4741

Special Issue Editors


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Guest Editor
Microcellular Plastics Manufacturing Laboratory, Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON M5S 3G8, Canada
Interests: polymer and foam processing; ferroelectret; energy harvesting; medical textiles; polymer characterizations; rheology
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Guest Editor
Woodbridge Foam Corporation, 8214 Kipling Avenue, Woodbridge, ON L4L 2A4, Canada
Interests: polymer processing; microcellular extrusion; microcellular foaming; polymer characterization; biopolymers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Advances in polymer foams, textiles and composites have resulted in the development of novel materials for superior applications such as aerospace, automotive, wearable electronics, energy harvesting devices, ferroelectret-based devices, actuators, sensors, vibration control, acoustic, insulation, filtration, and electromagnetic interference (EMI) shielding.

Moreover, while the world is battling against the novel coronavirus, researchers have found new motivation to deepen their knowledge of and experience in polymer foams, textiles, and composites to develop different types of surgical and nonsurgical masks, gowns, and other healthcare products. Furthermore, advanced technology and formulation development in polymer foams, textiles and composites have demonstrated their ability to produce value-added products with a wide range of tunable properties, to increase the market size, business revenue, and profits.

Therefore, the editors are pleased to announce the launch of this Special Issue. It is our honor to invite researchers to contribute their review and research papers on advances in polymer foams, textiles and composites. Potential topics should cover the following:

·         Thermoplastic, thermosetting, and elastomeric polymer foams;

·         Composite and nanocomposite polymers and foams;

·         Advances in foam extrusion and bead foaming technology;

·         Advances in foam injection molding;

·         Composite and nanocomposite polymers and foams;

·         Polymer foams and composites for piezoelectric applications;

·         Ferroelectret materials and devices;

·         Energy harvesting using polymeric harvesters;

·         Polymer foams and composites for sensors and actuators;

·         Polymer foams in membrane technology;

·         Advances in meltblown nonwoven for medical applications;

·         Advances in spunbond nonwoven for medical applications;

·         Advanced charging systems in polymer and foam fabric for mask productions;

·         Novel foams and textiles for N95 mask production;

·         Polymer foams and textiles in tissue engineering;

·         Polymers and foams in additive manufacturing (3D printing);

·         Biosourced and biodegradable polymer foams and composites;

·         Thermally conductive polymer foams and composites;

·         Electrically conductive polymer foams and composites;

·         Electrostatic painting;

·         Polymer and foam recycling.


Dr. Abolfazl Mohebbi
Dr. Alireza Tabatabaei
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

  • polymer foam
  • foam processing
  • polymer composite
  • piezoelectric
  • biopolymer
  • textile
  • nonwoven

Published Papers (2 papers)

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Research

17 pages, 13441 KiB  
Article
Coating of Silicone Monofilaments with Elastic Carbon Black-Silver-Silicone Layers and Their Characterization Especially with Regard to the Change of the Electrical Resistance in Dependence on Strain
by Kristina Klinkhammer, Ramona Nolden, Rike Brendgen, Manuela Niemeyer, Kerstin Zöll and Anne Schwarz-Pfeiffer
Polymers 2022, 14(4), 806; https://doi.org/10.3390/polym14040806 - 19 Feb 2022
Cited by 3 | Viewed by 1825
Abstract
Smart textiles have properties that outperform the conventional protective and decorative function of textiles. By integrating special sensors into clothing, body functions and movements can be detected. Piezoresistive sensors measure a change in electrical resistance due to the application of force in the [...] Read more.
Smart textiles have properties that outperform the conventional protective and decorative function of textiles. By integrating special sensors into clothing, body functions and movements can be detected. Piezoresistive sensors measure a change in electrical resistance due to the application of force in the form of stretching, pressure or bending. In order to manufacture such sensors, conventional non-conductive textile materials need to be made conductive by finishing processes. Therefore, a non-conductive silicone monofilament was coated with a conductive carbon silicone and additional silver-containing components and investigated for its suitability as a strain sensor. The changes in electrical resistance and the gauge factor as a measure of the sensitivity of a sensor were measured and calculated. In this publication, the electrical properties of such a filament-based sensor in the context of particle composition and concentration are discussed. The electrical resistance was already significantly reduced in a first step by coating with conductive carbon silicone (145 kΩ). The addition of silver-containing components further reduced the electrical resistance in a second step. Thereby, flat flakes of silver proved to be much more effective than silver-containing particles (5 kΩ at 20% addition). The former was easier to integrate into the coating and formed contact surfaces with each other at higher concentrations. Stretching the samples increased the resistance by enlarging the distance between the conductive components. With 30% silver-coated glass flakes in the coating, the highest gauge factor of 0.33 was achieved. Consequently, the changes in electrical resistance during stretching can be exploited to detect motion and the gauge factor indicates that even small changes in strain can be detected, so the herein developed coated monofilaments are suggested for use as strain sensors. Future work includes matching the particle composition and concentration to the exact application and investigating the sensors in the field. Full article
(This article belongs to the Special Issue Advances in Polymer Foams, Textiles and Composites)
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14 pages, 3009 KiB  
Article
Influence of Flame Retardant Impregnation on Acoustic and Thermophysical Properties of Recycled Technical Textiles with the Potential for Use in Wooden Buildings
by Anna Danihelová, Patrik Sčensný, Tomáš Gergeľ, Vojtěch Ondrejka, Miroslav Němec, Rastislav Igaz, Jozef Štefko and Iveta Mitterová
Polymers 2021, 13(16), 2598; https://doi.org/10.3390/polym13162598 - 05 Aug 2021
Cited by 2 | Viewed by 1776
Abstract
This article presents the results of an investigation of acoustic and thermophysical properties of insulation panels made from recycled technical textiles originating from the automotive industry. Measurements were performed on the samples of insulation panels (Senizol AT XX2 TL60), which were modified with [...] Read more.
This article presents the results of an investigation of acoustic and thermophysical properties of insulation panels made from recycled technical textiles originating from the automotive industry. Measurements were performed on the samples of insulation panels (Senizol AT XX2 TL60), which were modified with liquid flame retardants (ISONEM® ANTI-FIRE SOLUTION, ECOGARD® B45, HR Prof). Another method of treatment was carried out by surface application of non-flammable facing (woven carbon fibre, nonwoven carbon fibre). Retardants were applied to the samples by surface spraying and soaking. The results showed a high ability of material to absorb sound in the frequency range 350 Hz–2 kHz. The sound absorption coefficient ranged from 0.82 to 0.9 in the frequency range 500 Hz–2 kHz. The noise reduction coefficient is 0.75. After material modification with the flame retardants, there was no significant change of sound absorption. The thermal conductivity coefficient of material before modification was 0.038 W⋅m−1⋅K−1. After application of the flame retardants, the thermal conductivity coefficient increased depending on type and method of retardant application in the range of 2.6–105.3%. The smallest change was detected after modification of material with ECOGARD® B45. Full article
(This article belongs to the Special Issue Advances in Polymer Foams, Textiles and Composites)
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