NDLI: Synthesis and Characterization of Poly(L-lactide)(L-PLA), Poly(D-lactide)(D-PLA) and Stereocomplex-poly(lactide)(PLA)

Content Provider	Semantic Scholar
Author	Kim, Ji-Hyun Jason Jegal, Jonggeon Song, Bong Keun Shin, Chae-Ho
Copyright Year	2011
Abstract	L-PLA or D-PLA was synthesized in bulk at by ring opening polymerization(ROP) of L-lactide or D-lactide as a monomer using tin(II) octoate and lauryl alcohol as a catalyst and an initiator with changing the amounts of catalyst(0.25~1.0 wt%) and initiator(0.l~0.5 wt%). And stereocomplex-PLA was prepared by L-PLA/D-PLA having a wide range of molecular weight(30000~90000 g/mol) and L-PLA/D-PLA blends having different mixing ratio (). The melting temperature. thermal degradation temperature and thermal stability of stereocomplex-PLA were higher than those of homopolymers(L-PLA, D-PLA). We supposed that these improvements arose from a strong interaction between L-PLA and D-PLA. The improved mechanical properties and changes in morphology of LPLA/D-PLA blends were compared to those of homopolymers(L-PLA, D-PLA).
Starting Page	52
Ending Page	59
Page Count	8
File Format	PDF HTM / HTML
DOI	10.7317/pk.2011.35.1.52
Volume Number	35
Alternate Webpage(s)	https://www.cheric.org/PDF/PK/PK35/PK35-1-0052.pdf
Alternate Webpage(s)	https://doi.org/10.7317/pk.2011.35.1.52
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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