氨基酸衍生物介入的支化聚乳酸的合成研究

Journal of Tianjin Agricultural University ›› 2017, Vol. 24 ›› Issue (1): 62-65.

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Synthesis of Branched Polylactide Mediated by Aminoacid Derivative

YANG Yan-bo, LI Heng, PAN Hong^{Corresponding Author}, SHI Jun, ZHAO Wei-xin

College of Basic Science, Tianjin Agricultural University, Tianjin 300384, China

Received:2016-08-15 Online:2017-03-31 Published:2019-10-15

Abstract

Abstract: Due to high crystallinity, poor cell affinity and difficult processing, the branched polylactide was successful synthesized by the Ring Opening Polymerization（ROP）of lactide initiated with N,N-Bis-（2-hydroxypropyl）glycine as branched monomer and catalysts in this paper. The nucleophilic addition reaction between oxalaldehyde and diisopropanolamine was performed to prepare BHPG characterized by FT-IR、¹H NMR. Then, the ROP reaction of lactide was initiated by BHPG to obtain the branched polylactide. The obtained polymers were characterized by GPC. Finally, the mechanism of reaction, which was being mediated with amino derivative, was clarified.

Key words: aminoacid derivative, branched polylactide, mechanism, catalyst

CLC Number:

O631.5

YANG Yan-bo, LI Heng, PAN Hong, SHI Jun, ZHAO Wei-xin. Synthesis of Branched Polylactide Mediated by Aminoacid Derivative[J]. Journal of Tianjin Agricultural University, 2017, 24(1): 62-65.

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Synthesis of Branched Polylactide Mediated by Aminoacid Derivative

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