✦ LIBER ✦
On the difficulty of attributing a fractal signature to low-frequency Raman spectra of polymers in solution
✍ Scribed by R. Papin; M. Rousseau; D. Durand; T. Nicolai
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- English
- Weight
- 321 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0377-0486
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Measurements of the low‐frequency Raman spectra (LFRS) (below 100 cm^−1^) of poly(methyl methacrylates) in solution are reported. The reduced intensity exhibits a power law dependence on the frequency at any concentration and at any conversion rate of the polymerization reaction. Even monomeric liquids such as toluene and methyl methacrylate show such a power law behaviour. The results are compared with recent theories on low‐frequency Raman scattering from fractal structures and suggest that a more careful interpretation of LFRS is needed.