Stereocomplex-Induced Self-Assembly of PLLA-PEG-PLLA and PDLA-PEG …
WEBNov 23, 2021 · The self-assembly of pure PLLA-PEG-PLLA and an equimolar mixture of enantiomers of PLLA-PEG-PLLA and PDLA-PEG-PDLA was investigated by transmission electron microscopy, X-ray diffraction, and dynamic light scattering.
Role of the Branched PEG-b-PLLA Block Chain in Stereocomplex ...
WEBDec 5, 2022 · The isothermal crystallization behavior and corresponding morphology evolution of poly(d-lactic acid) (PDLA) blends with PLLA 6.7k or MPEG-b-PLLA 6.7k-g-glucose with different architectures and different …
PEG-Grafted Graphene/PLLA Nanocomposites: Effect of PEG …
WEBAug 23, 2022 · Poly- l -lactic acid (PLLA) nanocomposites containing graphene oxide (GO), modified with different chain lengths of poly (ethylene glycol) (PEG) (400, 2000, and 10 000 g/mol), were prepared by solution casting.
Synthesis, characterization, and crystallization behaviors of poly
WEBFeb 27, 2020 · Poly (D -lactic acid) (PDLA) with different polyethylene glycol (PEG) segment synthesized PDLA-PEG-PDLA triblock copolymer through the ring-opening reaction of D -LA and PEG will be used as a...
mPEG-PLA and PLA-PEG-PLA nanoparticles as new carriers for
WEBJun 29, 2018 · mPEG-PLA and PLA-PEG-PLA copolymeric nanoparticles with three different PLA to PEG ratios are synthesized and used for encapsulation of recombinant human Growth hormone (rhGH). The structure and...
Poly(lactic acid)/poly(ethylene glycol) stereocomplexed physical ...
WEBHerein, we use an enantiomeric mixture of the poly(D-lactic acid) (PDLA)/poly(ethylene glycol) (PEG) diblock copolymer and the poly(L-lactic acid) (PLLA)/PEG triblock copolymer as a stereocomplexable system and report a novel thermogel that exhibits unique gel–sol–gel multiple transitions upon heating. The thermally-induced phase transition ...
The isothermal crystallization kinetics of poly (ethylene glycol ...
WEBPoly(ethylene glycol)-block-poly(l-lactide) (PEG–PLLA) is a biodegradable copolymer, which is widely applied to medicine and drug systems, and its morphology, organization and mechanical properties have been extensively investigated.
Flexible and high heat-resistant stereocomplex PLLA-PEG-PLLA…
WEBAug 20, 2019 · Triblock copolymers of PDLA-PEG-PDLA have been synthesized for solution blending with the PLLA [18,19,20,21,22,23] and PLLA-PEG-PLLA to improve flexibility of obtained scPLAs. The flexible PEG middle-blocks of both the PLLA-PEG-PLLA and PDLA-PEG-PDLA enhanced the plasticizing effect.
PEGylated polylactide (PLA) and poly (lactic-co-glycolic ... - Springer
WEBApr 22, 2019 · PEGylated polylactide (PLA) and poly (lactic-co-glycolic acid) (PLGA) copolymers are biodegradable polyesters, widely employed in the last decades for the design of drug delivery systems such as polymeric hydrogels and nanocarriers (e.g. micelles and nanoparticles).
Poly(l-lactic acid)-polyethylene glycol-poly(l-lactic acid) triblock ...
WEBDec 1, 2017 · A novel macromolecular plasticizer, PLLA-PEG-PLLA triblock copolymer was synthesized. • PLLA-PEG-PLLA triblock copolymer was used to tailor the crystallization behavior of PLLA. • The structure of the copolymer determines the nucleation and plasticizing effect for PLLA. •
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