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Polymers 2016, 8(8), 273; doi:10.3390/polym8080273

Modification and Potential Application of Short-Chain-Length Polyhydroxyalkanoate (SCL-PHA)

State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
These authors contributed equally to this work.
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Authors to whom correspondence should be addressed.
Academic Editor: Naozumi Teramoto
Received: 9 June 2016 / Revised: 9 July 2016 / Accepted: 21 July 2016 / Published: 28 July 2016
(This article belongs to the Special Issue Biodegradable Polymers)
View Full-Text   |   Download PDF [4819 KB, uploaded 28 July 2016]   |  

Abstract

As the only kind of naturally-occurring biopolyester synthesized by various microorganisms, polyhydroxyalkanoate (PHA) shows a great market potential in packaging, fiber, biomedical, and other fields due to its biodegradablity, biocompatibility, and renewability. However, the inherent defects of scl-PHA with low 3HV or 4HB content, such as high stereoregularity, slow crystallization rate, and particularly the phenomena of formation of large-size spherulites and secondary crystallization, restrict the processing and stability of scl-PHA, as well as the application of its products. Many efforts have focused on the modification of scl-PHA to improve the mechanical properties and the applicability of obtained scl-PHA products. The modification of structure and property together with the potential applications of scl-PHA are covered in this review to give a comprehensive knowledge on the modification and processing of scl-PHA, including the effects of physical blending, chemical structure design, and processing conditions on the crystallization behaviors, thermal stability, and mechanical properties of scl-PHA. View Full-Text
Keywords: polyhydroxyalkanoate (PHA); modification; crystallization behavior; thermal stability; mechanical property polyhydroxyalkanoate (PHA); modification; crystallization behavior; thermal stability; mechanical property
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Wang, S.; Chen, W.; Xiang, H.; Yang, J.; Zhou, Z.; Zhu, M. Modification and Potential Application of Short-Chain-Length Polyhydroxyalkanoate (SCL-PHA). Polymers 2016, 8, 273.

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