Synthesis and properties of polystyrene-b-poly(ethylene oxide)-b-polystyrene triblock copolymers
β Scribed by Dong-Mei Xu; Ke-Da Zhang; Jian-Feng Wu
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 77 KB
- Volume
- 101
- Category
- Article
- ISSN
- 0021-8995
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## Abstract Polystyreneβ__graft__βpoly(ethylene glycol) copolymers (PSβ__g__βPEG) were successfully synthesized using the βgraftingβthroughβ method. The graft copolymers and the surface properties of their coats were characterized by1HβNMR, gel permeation chromatography (GPC), differential scanning
The intrinsic viscosity of polystyrene-poly(ethylene oxide) (PS-PEO) and PS-poly(ethylene glycol) (PEG) blends have been measured in benzene as a function of blend composition for various molecular weights of PEO and PEG at 303.15 K. The compatibility of polymer pairs in solution were determined on