Difference between the dynamic and static behaviour of polymers in dilute solutions. 3. Influence of the host polymer on the dimensions of the guest polymer

Light scattering and viscosity measurements have been conducted on polystyrene samples (guest polymer) in pure toluene and in the isorefractive mixture toluene—poly(methyl methacrylate). The second polymer (host polymer) is present at constant concentration in the solution. In the dilute solution re...

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Bibliographic Details
Published in:Polymer (Guilford) 1996, Vol.37 (6), p.1053-1055
Main Authors: Papanagopoulos, Dimitios, Dondos, Anastasios
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
guest polymer
host polymer
light scattering
Organic polymers
Physicochemistry of polymers
polymer dimensions
Properties and characterization
Solution and gel properties
viscometry
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Summary:Light scattering and viscosity measurements have been conducted on polystyrene samples (guest polymer) in pure toluene and in the isorefractive mixture toluene—poly(methyl methacrylate). The second polymer (host polymer) is present at constant concentration in the solution. In the dilute solution region in which the measurements are conducted, only when the solution flows does the host polymer provoke a decrease in the dimensions of the guest polymer, while in the static state the dimensions of the guest polymer are not affected by the presence of the host polymer.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(96)87290-9