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Biodegradable Plastics in Marine Environment

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 4015

Special Issue Editor


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Guest Editor
Kaneka Co., Ltd, 5-1-1 Torikai-Nishi, Settsu, Osaka 566-0072, Japan
Interests: chemical modification of chitin and chitosan and their biomedical applications; biodegradable polymer; bio-based polymer
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Special Issue Information

Dear Colleagues,

In recent years, there has been increasing interest in marine pollution, owing to the presence and effects of several microplastics. One of the possible solutions to this problem is focused on the application of biodegradable plastics. The biodegradation of plastics in seawater or marine environments would be a very important development. With the opening of this Special Issue, “Biodegradable Plastics in Marine Environment”, we are planning to produce a strong and very exciting issue that will encompass breakthroughs on highly valuable scientific and industrial research in this field.

Dr. Hitoshi Sashiwa
Guest Editor

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Keywords

  • polymer
  • plastics
  • biodegradable polymer
  • biodegradation
  • marine environment
  • microplastics

Published Papers (1 paper)

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Research

13 pages, 3213 KiB  
Article
Synthesis, Properties, and Biodegradation of Sequential Poly(Ester Amide)s Containing γ-Aminobutyric Acid
by Yuushou Nakayama, Kazumasa Watanabe, Ryo Tanaka, Takeshi Shiono, Norioki Kawasaki, Naoko Yamano and Atsuyoshi Nakayama
Int. J. Mol. Sci. 2020, 21(10), 3674; https://doi.org/10.3390/ijms21103674 - 23 May 2020
Cited by 6 | Viewed by 3392
Abstract
Poly(ester amide)s are attracting attention because they potentially have excellent thermal and mechanical properties as well as biodegradability. In this study, we synthesized a series of novel poly(ester amide)s by introducing γ-aminobutyric acid (GABA) regularly into polyesters, and investigated their properties and biodegradabilities. [...] Read more.
Poly(ester amide)s are attracting attention because they potentially have excellent thermal and mechanical properties as well as biodegradability. In this study, we synthesized a series of novel poly(ester amide)s by introducing γ-aminobutyric acid (GABA) regularly into polyesters, and investigated their properties and biodegradabilities. GABA is the monomer unit of biodegradable polyamide 4 (PA4). The new poly(ester amide)s were synthesized from the reaction of ammonium tosylate derivatives of alkylene bis(γ-aminobutylate) and p-nitrophenyl esters of dicarboxylic acids. All the obtained polymers showed relatively high melting temperatures (Tm). Their thermal decomposition temperatures were improved in comparison with that of PA4 and higher enough than their Tm. The poly(ester amide)s exhibited higher biodegradability in seawater than the corresponding homopolyesters. Their biodegradabilities in activated sludge were also studied. Full article
(This article belongs to the Special Issue Biodegradable Plastics in Marine Environment)
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