Block length affects secondary structure, nanoassembly and thermosensitivity of poly(ethylene glycol)-poly(l-alanine) block copolymers
β Scribed by Choi, Yun Young; Jang, Ji Hye; Park, Min Hee; Choi, Bo Gyu; Chi, Bo; Jeong, Byeongmoon
- Book ID
- 119938028
- Publisher
- Royal Society of Chemistry
- Year
- 2010
- Tongue
- English
- Weight
- 258 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0959-9428
- DOI
- 10.1039/B922956F
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## Abstract The confined crystallization behavior, melting behavior, and nonisothermal crystallization kinetics of the poly(ethylene glycol) block (PEG) in poly(Lβlactide)βpoly(ethylene glycol) (PLLAβPEG) diblock copolymers were investigated with wideβangle Xβray diffraction and differential scanni
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
Poly (L-lactide)-poly (oxyethylene)-poly (L-lactide) block copolymers obtained in bulk, by a ring opening mechanism, from poly(ethylene glycol)s (PEG)s and L-lactide (LA), at 120-1 40 Β°C, in the absence of added catalysts are described. By using PEGs with different molecular masses, 3000 and 35 000,