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Polymers 2015, 7(10), 2165-2174; doi:10.3390/polym7101506

Biodegradable Shape Memory Polymeric Material from Epoxidized Soybean Oil and Polycaprolactone

Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
Author to whom correspondence should be addressed.
Academic Editor: Wei Min Huang
Received: 28 September 2015 / Revised: 20 October 2015 / Accepted: 21 October 2015 / Published: 27 October 2015
(This article belongs to the Special Issue Shape-Memory Polymers)
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This article deals with the synthesis of plant oil-based shape memory materials from epoxidized soybean oil (ESO) and polycaprolactone (PCL). PolyESO/PCLs were synthesized by an acid-catalyzed curing in the presence of PCL. During the reaction, PCL scarcely reacted with ESO and the crystallinity of the PCL component decreased to form a semi-interpenetrating network structure. The incorporation of the PCL components improved the maximum stress and strain at break of ESO-based network polymer. The polyESO/PCL was gradually degraded by Pseudomonas cepasia lipase. Furthermore, the polyESO/PCLs exhibited excellent shape memory properties, and the strain fixity depended on the feed ratio of ESO and PCL. The shape memory-recovery behaviors were repeatedly practicable. The resulting materials are expected to contribute to the development of biodegradable intelligent materials. View Full-Text
Keywords: renewable resource; biodegradable; epoxidized soybean oil; shape memory polymer renewable resource; biodegradable; epoxidized soybean oil; shape memory polymer

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Tsujimoto, T.; Takayama, T.; Uyama, H. Biodegradable Shape Memory Polymeric Material from Epoxidized Soybean Oil and Polycaprolactone. Polymers 2015, 7, 2165-2174.

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