Thermal and collective diffusion in polymer solutions: A small angle light scattering study

Jamie I.M., James D.W. and Geissler E. (1985) Thermal and collective diffusion in polymer solutions: A small angle light scattering study. Optics Communications, 56 4: 255-260. doi:10.1016/0030-4018(85)90094-X


Author Jamie I.M.
James D.W.
Geissler E.
Title Thermal and collective diffusion in polymer solutions: A small angle light scattering study
Journal name Optics Communications   Check publisher's open access policy
ISSN 0030-4018
Publication date 1985-12-15
Sub-type Article (original research)
DOI 10.1016/0030-4018(85)90094-X
Volume 56
Issue 4
Start page 255
End page 260
Total pages 6
Subject 3107 Atomic and Molecular Physics, and Optics
Abstract Two experimental arrangements are described whereby the thermal and collective diffusion coefficients X and Dc of semi-dilute or concentrated polymer solutions may be measured using small angle light scattering. The first is achieved by measuring the characteristic time τ of the decay in the angular spread of the nonlinear diffraction pattern following an abrupt reduction of the incident laser power, together with a knowledge of the beam diameter. The second is obtained by allowing the solution to develop a slight refractive index gradient through surface evaporation of the solvent, and then following the decay in intensity of the light scattered through a small angle after the solution has been shaken.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 16 Aug 2016, 13:39:47 EST by System User