A lower critical ordering transition in a diblock copolymer melt
β Scribed by Russell, T. P.; Karis, T. E.; Gallot, Y.; Mayes, A. M.
- Book ID
- 109788342
- Publisher
- Nature Publishing Group
- Year
- 1994
- Tongue
- English
- Weight
- 340 KB
- Volume
- 368
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/368729a0
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π SIMILAR VOLUMES
Small angle X-ray scattering (SAXS) and rheology are employed to study the microphase separation transition in a symmetric poly(styrene-b-isoprene) diblock copolymer. The order-disorder transition temperature Toor has been identified with a good precision ( ToDT =359 K) and the interaction parameter
## Abstract The conformation of diblock copolymer chains in a computer simulated homogeneous melt is analyzed distinguishing the separation of ends and the endβtoβend vector orientation of individual chains. It is demonstrated that within the cigarβlike shapes of chains the blocks A and B are spati