On the deformation of star shaped polystyrenes in flowing solutions
✍ Scribed by Anastasios Dondos; Dimitrios Papanagopoulos; Pierre-Gilles de Gennes; Françoise Brochard-Wyart
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 69 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1022-1344
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📜 SIMILAR VOLUMES
The ¯uorescence of pyrenyl labelled polystyrene has been investigated. The ratio of excimer to monomer intensities (I e /I m ) is found to vary tortuously with increasing concentration (C) and displays two critical concentration points, C at about 3.2 Â 10 À2 g ml À1 and C m at about 0.32 g ml À1 .
## Abstract Investigations of relative intensity, line width and depolarization ratio of atactic polystyrene have been performed for the Raman lines 622 cm^−1^ (bending) and 1 002 cm^−1^ (Stretching). The measurements were performed with solutions in carbon tetrachloride and chloroform of different