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Article

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Title

Insights into Seawater Biodegradation of Sustainable Mater-Bi/Poly(ε-caprolactone)-Based Biocomposites Filled with Diisocyanate-Modified Cellulose Particles

Authors

[ 1 ] Instytut Technologii Materiałów, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.8] Materials engineering
[2.9] Mechanical engineering

Year of publication

2023

Published in

Environments

Journal year: 2023 | Journal volume: vol. 10 | Journal number: iss. 5

Article type

scientific article

Publication language

english

Keywords
EN
  • Mater-Bi
  • poly(ε-caprolactone)
  • biocomposites
  • cellulose filler
  • filler modification
  • diisocyanates
  • biodegradation
  • seawater
Abstract

EN Due to rapid economic growth, the use of plastics in almost all areas of human life has significantly increased over recent decades, leading to massive pollution. Therefore, works dealing with sustainable and biodegradable polymer materials are vital now. Herein, sustainable Mater-Bi/poly(ε-caprolactone) (PCL)-based biocomposites, filled with diisocyanate-modified cellulose particles, were prepared and subjected to 12-week seawater degradation. Changes in the chemical structure and surface wettability pointed to the increasing hydrophilicity of materials over time, which was limited by diisocyanate modifications. Only minor changes in the thermal performance of analyzed materials have been observed, pointing to the limited biodegradation of the PCL phase. The most significant effects have been related to the composite yellowing due to the filler diisocyanate modifications and surface erosion increasing its roughness. Obtained results pointing to the low degradation rate bring into question the commonly-regarded biodegradable nature of PCL material.

Date of online publication

22.05.2023

Pages (from - to)

90-1 - 90-12

DOI

10.3390/environments10050090

URL

https://www.mdpi.com/2076-3298/10/5/90

Comments

Article Number: 90

License type

CC BY (attribution alone)

Open Access Mode

open journal

Open Access Text Version

final published version

Date of Open Access to the publication

at the time of publication

Ministry points / journal

20

Impact Factor

3,5

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