Poly(ethylene glycol)–poly(l-lactide) diblock copolymer prevents aggregation of poly(l-lactide) microspheres during ethylene oxide gas sterilization
✍ Scribed by Yongdoo Choi; Sang Yoon Kim; Myeong-Hee Moon; Sun Hee Kim; Kwang-Sun Lee; Youngro Byun
- Book ID
- 118563504
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 572 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0142-9612
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## Abstract The confined crystallization behavior, melting behavior, and nonisothermal crystallization kinetics of the poly(ethylene glycol) block (PEG) in poly(L‐lactide)–poly(ethylene glycol) (PLLA–PEG) diblock copolymers were investigated with wide‐angle X‐ray diffraction and differential scanni
## Abstract Poly(L‐lactide)‐poly(ethylene glycol) multiblock copolymers with predetermined block lengths were synthesized by polycondensation of PLA diols and PEG diacids. The reaction was carried out under mild conditions, using dicyclohexylcarbodiimide as the coupling agent and dimethylaminopyrid
Poly(ethylene glycol)-poly(L-lactide) diblock and triblock copolymers were prepared by ring-opening polymerization of L-lactide with poly(ethylene glycol) methyl ether or with poly(ethylene glycol) in the presence of stannous octoate. Molecular weight, thermal properties, and crystalline structure o