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Polymers
Special Issues
Advances and Applications of Block Copolymers II
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Advances and Applications of Block Copolymers II

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

Deadline for manuscript submissions: 30 September 2024 | Viewed by 1883

Special Issue Editors

Dr. Nikolaos Politakos

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Guest Editor
POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta Zentroa, Tolosa Etorbidea 72, 20018 San Sebastián, Spain
Interests: chemical modification reactions; preparation of composite materials; synthesis of hydrogels for wound healing
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Apostolos Avgeropoulos

E-Mail Website
Guest Editor
Laboratory of Polymer Science & Engineering, Department of Materials Science Engineering, University of Ioannina, University Campus-Dourouti, 45110 Ioannina, Greece
Interests: living polymerization methods (anionic and living radical) of linear and non-linear polymers; molecular characterization in solution; self assembly of various types of polymers; structure/properties relationship; various modification reactions for polymers; superhydrophobic and super hydrophilic materials; conjugated polymers; nanopatterning of nanostructures
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

Over the years, research on polymers have significanlty increased, providing new insights into their applications for improving existing technologies and systems. A wide array of polymerization techniques are available which can polymerize most monomers, thereby leading to the formation of block copolymers (BCPs) that possess various advanced properties such as self-healing, self-assembly, high biocompatibility, and responsiveness. 

Numerous studies have already been published on the potential applications and advantages of BCPs which have substantial scientific, societal, as well as economic impacts. Nevertheless, many challenges in their development and utilization remain to be tackled, such as issues related to the synthetic procedure, scale-up, using biocompatible materials, and high technological applications. 

This Special Issue, ‘Advances and Applications of Block Copolymers II’ invites submissions of review articles, original research manuscripts, and short communications that undercore the recent progess achieved in developing and using BCPs. The keywords presented below indicate some potential topics of interest; however, the list is not exhaustive, and papers addressing any other relevant aspects of BCPs will be accepted as well. 

Dr. Nikolaos Politakos
Prof. Dr. Apostolos Avgeropoulos
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

  • polymers
  • copolymers
  • block copolymers
  • controlled synthesis
  • anionic polymerization
  • RAFT polymerization
  • ATRP polymerization
  • emulsion polymerization
  • molecular characterization
  • morphological characterization
  • terpolymers
  • hybrid materials
  • polypeptides
  • polymeric chimeras
  • composite materials
  • self-assembly
  • polymer brushes
  • biopolymers
  • biocompatibility
  • smart materials
  • responsive properties
  • hydrogels
  • drug delivery
  • computational chemistry
  • structure–property relationship
  • polymer nano/micro particles
  • self-healing materials
  • recyclability

Published Papers (2 papers)

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Research

11 pages, 7386 KiB  
Article
Directed Self-Assembly of Cylinder-Forming Block Copolymers Using Pillar Topographic Patterns
by June Huh
Polymers 2024, 16(7), 881; https://doi.org/10.3390/polym16070881 - 23 Mar 2024
Viewed by 581
Abstract
We conducted a computational study on the self-assembly behavior of cylinder-forming block copolymers, directed by a guide pattern of hexagonally or tetragonally arrayed pillars, using mesoscale density functional theory simulations. By adjusting the spacing (Lp) and diameter (D) [...] Read more.
We conducted a computational study on the self-assembly behavior of cylinder-forming block copolymers, directed by a guide pattern of hexagonally or tetragonally arrayed pillars, using mesoscale density functional theory simulations. By adjusting the spacing (Lp) and diameter (D) of the pillars in relation to the intrinsic cylinder-to-cylinder distance (L2) of the cylinder-forming block copolymer, we investigated the efficiency of multiple-replicating cylinders, generated by the block copolymer, through the pillar-directed self-assembly process. The simulations demonstrated that at specific values of normalized parameters L˜2=L2/Lp and D˜=D/Lp coupled with suitable surface fields, triple and quadruple replications are achievable with a hexagonally arrayed pillar pattern, while only double replication is attainable with a tetragonally arrayed pillar pattern. This work, offering an extensive structure map encompassing a wide range of possible parameter spaces, including L˜2 and D˜, serves as a valuable guide for designing the contact hole patterning essential in nanoelectronics applications. Full article
(This article belongs to the Special Issue Advances and Applications of Block Copolymers II)
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15 pages, 2370 KiB  
Article
Investigation of Crystallization, Morphology, and Mechanical Properties of Polypropylene/Polypropylene-Polyethylene Block Copolymer Blends
by Wenjun Shao, Li-Zhi Liu, Ying Wang, Yuanxia Wang, Ying Shi and Lixin Song
Polymers 2023, 15(24), 4680; https://doi.org/10.3390/polym15244680 - 12 Dec 2023
Cited by 1 | Viewed by 993
Abstract
Polyethylene (PE)-based elastomers are the ideal choice for enhancing the compatibility of polypropylene/polyethylene (PP/PE) blends and improving the mechanical properties of PP-based materials. However, the issue of blend systems lies in the interplay between the crystallization processes. Therefore, we investigated the crystallization behavior [...] Read more.
Polyethylene (PE)-based elastomers are the ideal choice for enhancing the compatibility of polypropylene/polyethylene (PP/PE) blends and improving the mechanical properties of PP-based materials. However, the issue of blend systems lies in the interplay between the crystallization processes. Therefore, we investigated the crystallization behavior during the cooling process of a new generation of PP/PE block copolymers (PP-b-PE) and random polypropylene (PPR, a copolymer of propylene and a small amount of ethylene or an alpha-olefin) blends using in-situ X-ray diffraction/scattering and differential scanning calorimetry (DSC) techniques. We also conducted mechanical performance tests on PPR/PP-b-PE blends at room temperature and low temperature (−5 °C). The results indicate that during the cooling process, the PP phase of PP-b-PE will follow the PPR to crystallize in advance and form a eutectic mixture, thereby enhancing the compatibility of PP/PE. Moreover, the PPR/PP-b-PE blend will form stable β-(300) crystals with excellent mechanical properties. Due to the improved compatibility of PP/PE with PP-b-PE, PE crystals are dispersed within PP crystals, providing bonding that improves the toughness of PPR under the low stiffness failure conditions of PPR/PP-b-PE blends, thereby enhancing their impact performance at low and room temperatures. This research has great significance for both recycling waste plastics and enhancing the low-temperature toughness of PPR. Full article
(This article belongs to the Special Issue Advances and Applications of Block Copolymers II)
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