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Synthesis and Application of Degradable Polymers

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

Deadline for manuscript submissions: closed (25 March 2025) | Viewed by 1721

Special Issue Editors


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Guest Editor
Department of Materials and Technology, Universidade Estadual Paulista "Júlio de Mesquita Filho", Sao Paulo, Brazil
Interests: biomedical applications polymers; alloys

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Guest Editor
Faculdade de Engenharia, Universidade Estadual Paulista "Júlio de Mesquita Filho", Sao Paulo, Brazil
Interests: plasma polymers; biopolymers

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Guest Editor
Department of Materials and Technology, Universidade Estadual Paulista "Júlio de Mesquita Filho", Sao Paulo, Brazil
Interests: degradable polymers; biodegradation; biomaterials; biopolymers

Special Issue Information

Dear Colleagues,

We invite you to contribute to a Special Issue focused on the "Synthesis and Application of Degradable Polymers." This Special Issue aims to present cutting-edge research papers, communications, and review articles that highlight recent advancements in the synthesis, characterization, and utilization of degradable polymers. The scope of this Special Issue encompasses a wide range of topics, including, but not limited to, the synthesis of polymers with intrinsic degradability and biodegradability, novel approaches for polymer degradation, characterization techniques for degradable polymers, modeling of degradation processes, and diverse applications such as drug delivery systems, tissue engineering scaffolds, environmental remediation, and more.

We encourage you to share your innovative research findings and contribute to the collective understanding of degradable polymers. Should you have any queries or require additional information, please feel free to contact us.

Best regards,
Prof. Dr. Ana Paula Rosifini Alves Claro
Prof. Dr. Rogério Pinto Mota
Dr. André L.R. Rangel
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

  • degradable polymers
  • biodegradation
  • degradation mechanisms
  • degradation kinetics
  • environmental degradation

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Published Papers (1 paper)

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Research

14 pages, 5812 KiB  
Article
Partially Bio-Based and Biodegradable Poly(Propylene Terephthalate-Co-Adipate) Copolymers: Synthesis, Thermal Properties, and Enzymatic Degradation Behavior
by Ping Song, Mingjun Li, Haonan Wang, Yi Cheng and Zhiyong Wei
Polymers 2024, 16(18), 2588; https://doi.org/10.3390/polym16182588 - 13 Sep 2024
Cited by 1 | Viewed by 1133
Abstract
A series of partially bio-based and biodegradable poly(propylene terephthalate-co-adipate) (PPTA) random copolymers with different components were prepared by the melt polycondensation of petro-based adipic acid and terephthalic acid with bio-based 1,3-propanediol. The microstructure, crystallization behavior, thermal properties, and enzymatic degradation properties were further [...] Read more.
A series of partially bio-based and biodegradable poly(propylene terephthalate-co-adipate) (PPTA) random copolymers with different components were prepared by the melt polycondensation of petro-based adipic acid and terephthalic acid with bio-based 1,3-propanediol. The microstructure, crystallization behavior, thermal properties, and enzymatic degradation properties were further investigated. The thermal decomposition kinetics was deeply analyzed using Friedman’s method, with the thermal degradation activation energy ranging from 297.8 to 302.1 kJ/mol. The crystallinity and wettability of the copolymers decreased with the increase in the content of the third unit, but they were lower than those of the homopolymer. The thermal degradation activation energy E, carbon residue, and reaction level n all showed a decreasing trend. Meanwhile, the initial thermal decomposition temperature (Td) was higher than 350 °C, which can meet the requirements for processing and use. The PPTA copolymer material still showed excellent thermal stability. Adding PA units could regulate the crystallinity, wettability, and degradation rate of PPTA copolymers. The composition of PPTA copolymers in different degradation cycles was characterized by 1H NMR analysis. Further, the copolymers’ surface morphology during the process of enzymatic degradation also was observed by scanning electron microscopy (SEM). The copolymers’ enzymatic degradation accorded with the surface degradation mechanism. The copolymers showed significant degradation behavior within 30 days, and the rate increased with increasing PA content when the PA content exceeded 45.36%. Full article
(This article belongs to the Special Issue Synthesis and Application of Degradable Polymers)
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