Synthesis and characterization of poly(ethylene glycol) grafted poly(L-lactide)
Poly(ethylene glycol) grafted poly(L-lactide) was prepared by ring opening polymerization of L-lactide and epoxy-terminated poly(ethylene glycol) methyl ether (PEGME). Stannous octoate and Al(Et)(3). 0.5H(2)O were tested as polymerization catalysts, and Al(Et)(3). 0.5H(2)O was found to be more effective for the ring-opening of the epoxy group of the modified PEGME monomer. The synthesized polymers were characterized by NMR and the efficiency of the incorporation of epoxy-terminated PEGME in the copolymer was determined.
- Publisher
- WILEY-V C H VERLAG GMBH
- Issue Date
- 1999-11
- Language
- English
- Article Type
- Article
- Keywords
DEGRADATION; COPOLYMERS; LACTIDE; POLYMER
- Citation
MACROMOLECULAR RAPID COMMUNICATIONS, v.20, no.11, pp.598 - 601
- ISSN
- 1022-1336
- Appears in Collection
- CBE-Journal Papers(저널논문)
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