Effect of a small amount of poly(ethylene oxide) on crystal polymorphism of poly( l -lactic acid)
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Effect of a small amount of poly(ethylene oxide) on crystal polymorphism of poly(l‑lactic acid) Yafei Wang1 · Lulu Liu1 · Chenyuan Qin1 · Yaming Wang1 · Chuntai Liu1 · Changyu Shen1 Received: 22 April 2020 / Revised: 30 August 2020 / Accepted: 6 November 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Poly(l-lactic acid) (PLLA) is a biodegradable and biocompatible polyester with great promise to be used in biomedical fields. Blending with poly(ethylene oxide) (PEO) can further improve the biocompatibility of PLLA. In this work, the effect of miscible blending of PEO on the crystal structure of PLLA was investigated. For neat PLLA, α′- and α-crystals are formed at crystallization temperature Tc
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