In-Situ Thermoreversible Gelation of Block and Star Copolymers of Poly(ethylene glycol) and Poly( N -isopropylacrylamide) of Varying Architectures
β Scribed by Lin, Hai-Hui; Cheng, Yu-Ling
- Book ID
- 126193398
- Publisher
- American Chemical Society
- Year
- 2001
- Tongue
- English
- Weight
- 107 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0024-9297
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π SIMILAR VOLUMES
The gel to sol transition of aqueous solutions of di-and triblock copolymers consisting of poly(ethylene oxide) and biodegradable polyesters was studied as a function of temperature. The molecular weight and the chemical composition of the biodegradable blocks, (poly(L-lactic acid), poly(DL-lactic a
Poly(ethylene oxide)-b-poly(L-lactic acid) (PEO-PLLA) diblock copolymers were synthesized via a ring opening polymerization from poly(ethylene oxide) and L-lactide. Stannous octoate was used as a catalyst in a solution polymerization with toluene as the solvent. Their physicochemical properties were