Cross-Linked Polymers II

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

Deadline for manuscript submissions: 31 August 2024 | Viewed by 2216

Special Issue Editors


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Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
Interests: biopolymers; lignin chemistry; synthesis, characterization and applications of advanced functional materials; hybrid materials, biomaterials; polymer composites, biocomposites; chemical modification of synthetic and natural polymers; application of ligno-cellulosic materials in polymer chemistry; (bio)additives and eco-friendly fillers
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Guest Editor
Department of Polymer Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, M. Curie-Sklodowska Sq. 3, PL-20031 Lublin, Poland
Interests: synthesis of new monomers and polymers; chemical modification of synthetic and natural polymers; synthesis of biocomposites; application of ligno-cellulosic materials in polymer chemistry; synthesis of porous polymers in the form of microspheres; investigations of the porous structure of polymeric materials; synthesis of novel polymer-based adsorbents for water treatment; photochemistry; physico-chemical, thermal and mechanical studies of polymers; synthesis of polymeric blends; synthesis of hybrid materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polymers are a very diverse group, which includes many different types. Cross-linked polymers are one of the most important. These connections can be found in both synthetic and naturally occurring polymers. Cross-linking of polymers significantly modifies their physico-chemical properties, substantially growing their everyday utility. The polymeric networks resulting from covalent bonds between polymer chains are found in daily products.

Chemical cross-linking enables the obtainment of a more rigid structure, mechanical and chemical resistance, and potentially, a better-defined shape. Numerous functional materials have been developed using the application of crosslinking polymers. We can find them, e.g., in soft contact lenses, automobile tires, protective coatings, high-performance adhesives, polymeric sorbents, or epoxy-based materials. Cross-linked polymers successfully replace naturally occurring materials such as wood, ceramics, metal, or natural rubber.

The goal of the presented Special Issue in Polymers is to share the most significant issues associated with the mentioned research topics as well as to elucidate the important trends for the near future.

Therefore, we invite everyone to submit their publications to a Special Issue dedicated to crosslinked polymers

Dr. Łukasz Klapiszewski
Dr. Beata Podkościelna
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

  • cross-linking polymers
  • polymeric networks
  • bulk copolymers
  • cross-linking agents
  • epoxy resins
  • chemical resistant materials
  • composites

Published Papers (2 papers)

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Research

17 pages, 5245 KiB  
Article
Evaluation of Various Types of Alginate Inks for Light-Mediated Extrusion 3D Printing
by Aitana Zoco de la Fuente, Ane García-García, Leyre Pérez-Álvarez, Isabel Moreno-Benítez, Asier Larrea-Sebal, Cesar Martin and Jose Luis Vilas-Vilela
Polymers 2024, 16(7), 986; https://doi.org/10.3390/polym16070986 - 04 Apr 2024
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Abstract
Naturally derived biopolymers modifying or combining with other components are excellent candidates to promote the full potential of additive manufacturing in biomedicine, cosmetics, and the food industry. This work aims to develop new photo-cross-linkable alginate-based inks for extrusion 3D printing. Specifically, this work [...] Read more.
Naturally derived biopolymers modifying or combining with other components are excellent candidates to promote the full potential of additive manufacturing in biomedicine, cosmetics, and the food industry. This work aims to develop new photo-cross-linkable alginate-based inks for extrusion 3D printing. Specifically, this work is focused on the effect of the addition of cross-linkers with different chemical structures (polyethylene glycol diacrylate (PEGDA), N,N′-methylenebisacrylamide (NMBA), and acrylic acid (AA)) in the potential printability and physical properties of methacrylated alginate (AlgMe) hydrogels. Although all inks showed maximum photo-curing conversions and gelation times less than 2 min, only those structures printed with the inks incorporating cross-linking agents with flexible and long chain structure (PEGDA and AA) displayed acceptable size accuracy (~0.4–0.5) and printing index (Pr ~1.00). The addition of these cross-linking agents leads to higher Young’s moduli (from 1.6 to 2.0–2.6 KPa) in the hydrogels, and their different chemical structures results in variations in their mechanical and rheological properties. However, similar swelling ability (~15 swelling factor), degradability (~45 days 100% weight loss), and cytocompatibility (~100%) were assessed in all the systems, which is of great importance for the final applicability of these hydrogels. Full article
(This article belongs to the Special Issue Cross-Linked Polymers II)
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13 pages, 9595 KiB  
Article
Effects of Modifying Agent and Conductive Hybrid Filler on Butyl Rubber Properties: Mechanical, Thermo-Mechanical, Dynamical and Re-Crosslinking Properties
by Piyawedee Luangchuang, Tanawat Sornanankul and Yeampon Nakaramontri
Polymers 2023, 15(19), 4023; https://doi.org/10.3390/polym15194023 - 08 Oct 2023
Viewed by 860
Abstract
Ionic crosslinking of bromobutyl rubber (BIIR) composites was prepared using butylimidazole (IM) and ionic liquid (IL), combined with carbon nanotubes (CNT) and conductive carbon black (CCB) to enhance the intrinsic properties and heal ability of the resulting composites. Variation in the BIIR/CNT-CCB/IM/IL ratios [...] Read more.
Ionic crosslinking of bromobutyl rubber (BIIR) composites was prepared using butylimidazole (IM) and ionic liquid (IL), combined with carbon nanotubes (CNT) and conductive carbon black (CCB) to enhance the intrinsic properties and heal ability of the resulting composites. Variation in the BIIR/CNT-CCB/IM/IL ratios was investigated to determine the appropriate formulation for healing the composites. Results showed that the mechanical properties were increased until the IM:IL:CNT/CCB ratio reached 1:1:1/1.5, corresponding to the optimal concentration of 5:5:5/7.5 phr. Thermo-oxidative degradation, as indicated using temperature scanning stress relaxation (TSSR), demonstrated the decomposition of the composites at higher temperatures, highlighting the superior resistance provided by the proper formulation of BIIR composites. Additionally, the conditions for the healing procedure were examined by applying pressure, temperature, and time. It was observed that the composites exhibited good elasticity at 0 °C and 60 °C, with a high rate of re-crosslinking achieved under appropriate pressure and temperature conditions. This research aims to develop a formulation suitable for the tire tread and inner liner of commercial car tires together with artificial skin products. Full article
(This article belongs to the Special Issue Cross-Linked Polymers II)
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