Dynamic light-scattering measurements have been made on the ''soft'' polymer: poly(n-laurylmethacrylate) (PLMA) in solution in ethyl acetate over the concentration range 0.1 รต C รต 0.9 g/mL as well as melt PLMA. With the concentrated solutions, the hydrodynamic screening length (j h ) scales with an
โฆ LIBER โฆ
Dynamic light scattering and optical contrast in concentrated silica dispersions
โ Scribed by M.M. Kops-Werkhoven; H.J. Mos; P.N. Pusey; H.M. Fijnaut
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 623 KB
- Volume
- 81
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
Dynamic tight scattering experiments on WZhIy concentrated silica drspersmns in cyclohexane grve correlation functions which can reasonably be described by a sum of two exponentkls The experimentaf data can be explained as a result of polydispersity in scattering amplitudes. The effect of polydispersity could be controlled by variation wf the optical cwntrast through the temperature of the dispersion.
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๐
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โ 254 KB
๐ 3 views