2011
DOI: 10.1007/s11814-011-0008-6
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Formation of MPEG-PLLA block copolymer microparticles using compressed carbon dioxide

Abstract: Methoxy poly(ethylene glycol)-b-poly(L-lactide) (MPEG-PLLA) diblock copolymer was synthesized via ring-opening polymerization, and MPEG-PLLA microparticles were then prepared using an aerosol solvent extraction system (ASES) technique with compressed carbon dioxide as antisolvent. The MPEG-PLLA microparticles were prepared at temperatures ranging from 25 o C to 55 o C and at pressures from 85 bar to 150 bar. The concentration of MPEG-PLLA copolymer, solution flow rate, and CO 2 flow rate were adjusted to be 0.… Show more

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Cited by 5 publications
(1 citation statement)
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“…On the basis of our knowledge, there has been no previous publication on the synthesis of a PLA‐NR diblock copolymer. The PLA‐based diblock copolymers have included PLA‐poly(ethylene glycol), PLA‐poly(ethylene oxide), PLA‐PS, and PLA‐poly(para‐phenylenevinylene) . NR has been chemically modified to obtain a hydroxyl terminated liquid rubber (a hydroxyl telechelic natural rubber, HTNR).…”
Section: Introductionmentioning
confidence: 99%
“…On the basis of our knowledge, there has been no previous publication on the synthesis of a PLA‐NR diblock copolymer. The PLA‐based diblock copolymers have included PLA‐poly(ethylene glycol), PLA‐poly(ethylene oxide), PLA‐PS, and PLA‐poly(para‐phenylenevinylene) . NR has been chemically modified to obtain a hydroxyl terminated liquid rubber (a hydroxyl telechelic natural rubber, HTNR).…”
Section: Introductionmentioning
confidence: 99%