Experimental Study of the Spectral Distribution of the Light Scattered from Flexible Macromolecules in Very Dilute Solution
| Autor: | Chi Wu, Ke-Qing Xia, Kam Kwong Chan |
|---|---|
| Rok vydání: | 1995 |
| Předmět: |
Polymers and Plastics
Spectral power distribution Chemistry business.industry Scattering Organic Chemistry Light scattering Inorganic Chemistry Solvent symbols.namesake chemistry.chemical_compound Optics Boltzmann constant Materials Chemistry symbols Polystyrene Atomic physics business Absolute zero Macromolecule |
| Zdroj: | Macromolecules. 28:1032-1037 |
| ISSN: | 1520-5835 0024-9297 |
| DOI: | 10.1021/ma00108a034 |
| Popis: | Spectral distributions (SD) of the light scattered from three high molecular weight polystyrene standards in dilute solution over a wide range of scattering angles (5.7-154°) were precisely determined from a series of carefully executed light scattering experiments. At x 15, the two peaks merge into one broad peak. The plot of (Γ) z /(q 3 k B T/η 0 ) versus x 1/2 of this peak approached a plateau value which is lower than a theoretically predicted value, where (Γ) z , k B , T, and η 0 are the z-average line width, the Boltzmann constant, the absolute temperature, and the solvent viscosity, respectively. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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