Relation between the quality of the solvent and the number of statistical segments of a polymer at the onset of excluded-volume and complete excluded-volume behaviour
β Scribed by Anastasios Dondos
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 367 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0032-3861
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π SIMILAR VOLUMES
The phosphorescence intensity ofnaphthalene groups labelled to the poly(methy1 methacrylate) phase of a colloid particle is studied in dependence of temperature. The peculiar structure in the phosphorescence spectra around -126 OC is attributed to the theta point conditions of the colloid dispersion
Lattice simulations of chains in good, theta and poor solvents were performed with an explicit incorporation of the excluded volume (chain thickness) into the model. The scaling power law for chain dimensions was found to apply in the theta and athermal states and to fail in the region below the the