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Polymers
Special Issues
Preparation, Properties, and Applications of Functional and High-Performance Polyester Materials
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Preparation, Properties, and Applications of Functional and High-Performance Polyester Materials

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Smart and Functional Polymers".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 2967

Special Issue Editor

Prof. Dr. Liuchun Zheng

E-Mail Website
Guest Editor
School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
Interests: synthesis of functional polyester; drug carrier; polyester fiber materials; biodegradable polyester

Special Issue Information

Dear Colleagues,

Polyester is one of the most important kind of polymers widely applied in our daily life and industry. But the traditional polyesters are faced with various problems, such as lack of biodegradability and function, and their mechanical properties are insufficient for some special application. This special issue focuses on the investigation of synthesis, structure and properties of functional polyester and high-performance polyesters. Functional polyesters of poly(L-lactic acid), poly(butylene succinate), polycaprolactone, poly(butylene adipate terephthalate), poly(p-dioxanone), polyglycolide, and poly(lactic-co-glycolic acid), such as biodegradable, biocompatible and bioresorbable polyester, or the polyesters with special functions, such as antibacterial properties, gas barrier, ultraviolet shielding, anti-fouling; chromatophilic, shape memory, self-cleaning and self-healing, are chief point in this issue. High-performance polyesters, such as highly transparent, heat-resistant, high strength, high modulus and highly ductile, are also the main theme of this special issue.

Prof. Dr. Liuchun Zheng
Guest Editor

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

  • polyester
  • functional
  • biodegradable
  • biocompatible
  • bioresorbable
  • hydrophilic
  • gas barrier properties
  • ultraviolet shielding properties
  • antibacterial
  • anti-fouling
  • chromatophilous
  • shape memory
  • self-cleaning
  • self-healing
  • cationic
  • anionic
  • zwitterionic
  • highly transparent
  • heat-resistant
  • high-performance
  • high strength
  • high modulus
  • highly ductile
  • poly(L-lactic acid)
  • poly(butylene succinate)
  • polycaprolactone
  • poly(butylene adipate terephthalate)
  • poly(p-dioxanone)
  • polyglycollide
  • poly(lactic-co-glycolic acid)
  • drug delevery
  • intravascular stent

Published Papers (3 papers)

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Research

17 pages, 2178 KiB  
Article
Biocompatible Polymer for Self-Humidification
by Ahmed M. Al-Jumaily, Sandra Grau-Bartual and Nimesha T. Weerasinghe
Polymers 2023, 15(20), 4101; https://doi.org/10.3390/polym15204101 - 16 Oct 2023
Viewed by 742
Abstract
Lung supportive devices (LSDs) have been extensively utilized in treating patients diagnosed with various respiratory disorders. However, these devices can cause moisture depletion in the upper airway by interfering with the natural lubrication and air conditioning process. To remedy this, current technologies implement [...] Read more.
Lung supportive devices (LSDs) have been extensively utilized in treating patients diagnosed with various respiratory disorders. However, these devices can cause moisture depletion in the upper airway by interfering with the natural lubrication and air conditioning process. To remedy this, current technologies implement heated humidification processes, which are bulky, costly, and nonfriendly. However, it has been demonstrated that in a breath cycle, the amount of water vapor in the exhaled air is of a similar quantity to the amount needed to humidify the inhaled air. This research proposes to trap the moisture from exhaled air and reuse it during inhalation by developing a state-of-the-art hydrophilic/hydrophobic polymer tuned to deliver this purpose. Using the atom transfer radical polymerization (ATRP) method, a substrate was successfully created by incorporating poly (N-isopropyl acrylamide) (PNIPAM) onto cotton. The fabricated material exhibited a water vapor release rate of 24.2 ± 1.054%/min at 32 °C, indicating its ability to humidify the inhaled air effectively. These findings highlight the potential of the developed material as a promising solution for applications requiring rapid moisture recovery. Full article
(This article belongs to the Special Issue Preparation, Properties, and Applications of Functional and High-Performance Polyester Materials)
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15 pages, 3790 KiB  
Article
Rapid Crystallization and Fluorescence of Poly(ethylene terephthalate) Using Graphene Quantum Dots as Nucleating Agents
by Liwei Zhao, Yue Yin, Wanbao Xiao, Hongfeng Li, Hao Feng, Dezhi Wang and Chunyan Qu
Polymers 2023, 15(17), 3506; https://doi.org/10.3390/polym15173506 - 22 Aug 2023
Viewed by 913
Abstract
In this study, graphene quantum dots (GQDs) with a diameter of ~3 nm were successfully synthesized and incorporated into a poly(ethylene terephthalate) (PET) matrix to fabricate PET/GQDs nanocomposites. The impact of GQDs on the crystallization and thermal stability of the PET/GQDs nanocomposites was [...] Read more.
In this study, graphene quantum dots (GQDs) with a diameter of ~3 nm were successfully synthesized and incorporated into a poly(ethylene terephthalate) (PET) matrix to fabricate PET/GQDs nanocomposites. The impact of GQDs on the crystallization and thermal stability of the PET/GQDs nanocomposites was investigated. It was observed that the addition of only 0.5 wt% GQDs into the nanocomposites resulted in a significant increase in the crystallization temperature (peak temperature) of PET, from 194.3 °C to 206.0 °C during the cooling scan process. This suggested that an optimal concentration of GQDs could function as a nucleating agent and effectively enhance the crystallization temperature of PET. The isothermal crystallization method was employed to analyze the crystallization kinetics of the PET/GQDs nanocomposites, and the data showed that 0.5 wt% GQDs significantly accelerated the crystallization rate. Furthermore, the incorporation of GQDs into the PET matrix imparted photoluminescent properties to the resulting PET/GQDs nanocomposites. The PET crystals with GQDs as crystal nuclei and the crazes caused by defects played a vital role in isolating and suppressing the concentration quenching of GQDs. This effect facilitated the detection of defects in PET. Full article
(This article belongs to the Special Issue Preparation, Properties, and Applications of Functional and High-Performance Polyester Materials)
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13 pages, 3032 KiB  
Article
Long-Chain Branched Bio-Based Poly(butylene dodecanedioate) Copolyester Using Pentaerythritol as Branching Agent: Synthesis, Thermo-Mechanical, and Rheological Properties
by Ruixue Niu, Zhening Zheng, Xuedong Lv, Benqiao He, Sheng Chen, Jiaying Zhang, Yanhong Ji, Yi Liu and Liuchun Zheng
Polymers 2023, 15(15), 3168; https://doi.org/10.3390/polym15153168 - 26 Jul 2023
Viewed by 902
Abstract
The introduction of long-chain branched structures into biodegradable polyesters can effectively improve the melt strength and blow-molding properties of polyesters. In this study, pentaerythritol (PER) was used as a branching agent to synthesize branched poly(butylene dodecanedioate) (PBD), and the resulting polymers were characterized [...] Read more.
The introduction of long-chain branched structures into biodegradable polyesters can effectively improve the melt strength and blow-molding properties of polyesters. In this study, pentaerythritol (PER) was used as a branching agent to synthesize branched poly(butylene dodecanedioate) (PBD), and the resulting polymers were characterized by Nuclear Magnetic Resonance Proton Spectra (1H NMR) and Fourier Transform Infrared spectroscopy (FT-IR). It was found that the introduction of a small amount of PER (0.25–0.5 mol%) can generate branching and even crosslinking structures. Both impact strength and tensile modulus can be greatly improved by the introduction of a branching agent. With the introduction of 1 mol% PER content in PBD, the notched impact strength of PBD has been increased by 85%, and the tensile modulus has been increased by 206%. Wide-angle X-ray diffraction and differential scanning calorimetry results showed that PER-branched PBDs exhibited improved crystallization ability compared with linear PBDs. Dynamic viscoelastics revealed that shear-thickening behaviors can be found for all branched PBD under low shear rates. Full article
(This article belongs to the Special Issue Preparation, Properties, and Applications of Functional and High-Performance Polyester Materials)
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