An overview of degradable and biodegradable polyolefins

Ammala, A, Bateman, S, Dean, K, Petinaks, E, Sangwan, P, Wong, S, Yuan, Q, Yu, L, Patrick, C and Leong, K 2011, 'An overview of degradable and biodegradable polyolefins', Progress in Polymer Science: an international review journal, vol. 36, no. 8, pp. 1015-1049.


Document type: Journal Article
Collection: Journal Articles

Title An overview of degradable and biodegradable polyolefins
Author(s) Ammala, A
Bateman, S
Dean, K
Petinaks, E
Sangwan, P
Wong, S
Yuan, Q
Yu, L
Patrick, C
Leong, K
Year 2011
Journal name Progress in Polymer Science: an international review journal
Volume number 36
Issue number 8
Start page 1015
End page 1049
Total pages 35
Publisher Elsevier
Abstract The use of engineering plastics, especially polyolefins has increased significantly in recent decades largely due to their low cost, good mechanical properties and light weight. However, this increase in usage has also created many challenges associated with disposal and their impact on the environment. This is because polyolefins do not easily degrade in the natural environment and hence the need for degradable polyolefins has become a major topic of research. Degradable polyolefins are designed to retain functionality as a commodity plastic for the required service life but degrade to non-toxic end products in a disposal environment. They are typically designed to oxo-degrade while undergoing changes in chemical structure as a result of oxidation in air, thus causing the breakdown of the molecules into small fragments that are then bioassimilated. This article presents (i) a comprehensive review of the chemistry of additives for the degradation of polyolefins, (ii) a patent and scientific literature summary of technologies including commercially available systems, (iii) the mechanisms of degradation and biodegradation, (iv) testing methods and (v) toxicity.
Subject Macromolecular and Materials Chemistry not elsewhere classified
Keyword(s) Biodegradable polyolefins
Degradable polyolefins
Oxo-biodegradation
Photodegradation
Prodegradants
DOI - identifier 10.1016/j.progpolymsci.2010.12.002
Copyright notice © 2010 Elsevier Ltd. All rights reserved.
ISSN 0079-6700
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