Structural analysis and degradation behavior in polyethylene glycol/poly(L-lactide) copolymers
β Scribed by David Shiaw-Guang Hu; Hsin-Jiant Liu
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- English
- Weight
- 574 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0021-8995
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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
## 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
## Abstract The crystallization behavior of poly(oxyethylene) (PEG)/poly(Lβlactide) (PLLA) block copolymers with PEG (numberβaverage molecular weights __M__~n~ = 1000β6000) contents β¦ 18,3 wt.β% has been studied under different isothermal temperature and linear cooling conditions. A differential sc