a.College of Mechanical and Electric Engineering, College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
b.Qingdao Reinforced Thermoplastic Pipes Engineering Technology Center, Qingdao 266590, China
Hai-Ping Zhou, E-mail zhouhp325@163.com (H.P.Z)
Li-Fen Zhao, E-mail lfzhao2009@126.com (L.F.Z)
收稿:2017-09-05,
录用:2017-10-17,
网络首发:2018-01-30,
纸质出版:2018-06
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Sheng-Xue Qin, Cui-Xiang Yu, Xue-Yang Chen, 等. Fully Biodegradable Poly(lactic acid)/Poly(propylene carbonate) Shape Memory Materials with Low Recovery Temperature Based on
Sheng-Xue Qin, Cui-Xiang Yu, Xue-Yang Chen, et al. Fully Biodegradable Poly(lactic acid)/Poly(propylene carbonate) Shape Memory Materials with Low Recovery Temperature Based on
Sheng-Xue Qin, Cui-Xiang Yu, Xue-Yang Chen, 等. Fully Biodegradable Poly(lactic acid)/Poly(propylene carbonate) Shape Memory Materials with Low Recovery Temperature Based on
Sheng-Xue Qin, Cui-Xiang Yu, Xue-Yang Chen, et al. Fully Biodegradable Poly(lactic acid)/Poly(propylene carbonate) Shape Memory Materials with Low Recovery Temperature Based on
Fully biodegradable blends with low shape memory recovery temperature were obtained based on poly(lactic acid) (PLA) and poly(propylene carbonate) (PPC). By virtue of their similar chemical structures
in situ
cross-linking reaction initiated by dicumyl peroxide (DCP) between PLA and PPC chains was realized in PLA/PPC blends. Therefore
the compatibility between PLA and PPC was increased
which obviously changed the phase structures and increased the elongation at break of the blends. The compatibilized blends had a recovery performance at 45℃. Combining the changes of phase structures
the mechanism of the shape memory was discussed. It was demonstrated that
in situ
compatibilization by dicumyl peroxide was effective to obtain eco-friendly PLA/PPC blends with good mechanical and shape memory properties.
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