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SANS and SAXS studies of pluronic L64 in concentrated solution

✍ Scribed by Guangwei Wu; Lizhi Liu; Vinh-Bao Buu; Benjamin Chu; Dieter K. Schneider


Book ID
103896198
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
422 KB
Volume
231
Category
Article
ISSN
0378-4371

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✦ Synopsis


The supramolecular structure, formed by a PEO-PPO-PEO copolymer, PEO13PPO3o-PEO13 or Pluronic L64, in mixtures of xylene/water, was investigated by small-angle X-ray scattering over a temperature range of 25-60 Β°C and by small-angle neutron scattering over a temperature range of 13-29 Β°C. The large aggregates had a hexagonally packed cylindrical structure with the interdomain spacing being in the order of ~ 10 nm. The interdomain spacing increased with increasing amount of solubilized water in the large aggregates.


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