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Polylactide (PLA) and Its Blends with Poly(butylene succinate) (PBS): A Brief Review

Department of Bio-based Plastics, Fraunhofer UMSICHT, Fraunhofer Institute for Environmental, Safety, and Energy Technology, Osterfelder Str. 3, 46047 Oberhausen, Germany
Department of Mechanical Engineering, Ruhr-University Bochum, Universitaetsstr. 150, 44780 Bochum, Germany
Author to whom correspondence should be addressed.
Polymers 2019, 11(7), 1193;
Received: 31 May 2019 / Revised: 27 June 2019 / Accepted: 6 July 2019 / Published: 17 July 2019
(This article belongs to the Special Issue Environmentally Sustainable Polymers)
Polylactide (PLA), poly(butylene succinate) (PBS) and blends thereof have been researched in the last two decades due to their commercial availability and the upcoming requirements for using bio-based chemical building blocks. Blends consisting of PLA and PBS offer specific material properties. However, their thermodynamically favored biphasic composition often restricts their applications. Many approaches have been taken to achieve better compatibility for tailored and improved material properties. This review focuses on the modification of PLA/PBS blends in the timeframe from 2007 to early 2019. Firstly, neat polymers of PLA and PBS are introduced in respect of their origin, their chemical structure, thermal and mechanical properties. Secondly, recent studies for improving blend properties are reviewed mainly under the focus of the toughness modification using methods including simple blending, plasticization, reactive compatibilization, and copolymerization. Thirdly, we follow up by reviewing the effect of PBS addition, stereocomplexation, nucleation, and processing parameters on the crystallization of PLA. Next, the biodegradation and disintegration of PLA/PBS blends are summarized regarding the European and International Standards, influencing factors, and degradation mechanisms. Furthermore, the recycling and application potential of the blends are outlined. View Full-Text
Keywords: polylactide; poly(butylene succinate); PLA/PBS blend; compatibility polylactide; poly(butylene succinate); PLA/PBS blend; compatibility
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MDPI and ACS Style

Su, S.; Kopitzky, R.; Tolga, S.; Kabasci, S. Polylactide (PLA) and Its Blends with Poly(butylene succinate) (PBS): A Brief Review. Polymers 2019, 11, 1193.

AMA Style

Su S, Kopitzky R, Tolga S, Kabasci S. Polylactide (PLA) and Its Blends with Poly(butylene succinate) (PBS): A Brief Review. Polymers. 2019; 11(7):1193.

Chicago/Turabian Style

Su, Shen, Rodion Kopitzky, Sengül Tolga, and Stephan Kabasci. 2019. "Polylactide (PLA) and Its Blends with Poly(butylene succinate) (PBS): A Brief Review" Polymers 11, no. 7: 1193.

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