Controlled Preparation of Poly(ethylene glycol) and Poly(L-lactide) Block Copolymers in the Presence of a Monomer Activator
- Controlled Preparation of Poly(ethylene glycol) and Poly(L-lactide) Block Copolymers in the Presence of a Monomer Activator
- 이상효; 오재민; 손진수; 이정원; 김병수; 강길선; 한동근; 김재호; 이해방; 김문석
- Block Copolymers; Poly(L-lactide); Poly(ethylene glycol); Monomer Activator; activated monomer mechanism; biomaterials; ring-opening polymerization; trifluoromethanesulfonic acid
- Issue Date
- Journal of polymer science Part A, Polymer chemistry
- VOL 47, 5917-5922
- In conclusion, LA polymerization in the presence of
CF3SO3H yielded various block copolymers composed of
PEG and PLLA, even at room temperature, via an activated
monomer mechanism. The PLLAs obtained had
molecular weights close to the theoretical values calculated
from the LA/PEG molar ratios, and no side reactions
were observed. We believe that this ROP system
may extend the use of PEG and PLLA block copolymers
in practical biomedical applications.
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