Preparation and properties of D,L-lactide and ethylene oxide copolymer: A modifying biodegradable polymeric material
β Scribed by K. J. Zhu; Lin Xiangzhou; Yang Shilin
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1986
- Tongue
- English
- Weight
- 272 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0887-6258
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## Abstract **Summary:** In this paper, we report a novel synthesis of poly(ethylene oxide monooleateβ__block__βDLβlactide) (MOPEOβPLA) in the presence of stannous 2βethylhexanoate catalyst. By utilizing the surfactant property and the reactive double bond of the amphiphilic MOPEOβPLA, various char
The thermally-reversible gelation of aqueous solutions of diblock copolymers of ethylene oxide (E) and tw-lactide (L), E42L12, E3\*L16, E39L20, E41L26. E7,LI4 and E77L26, has been studied using gelation temperature measurements, polarised light microscopy and NMR spectroscopy. The solutions showed a