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Positron annihilation lifetime studies of the volume phase transition of polyacrylamides

โœ Scribed by K. Ito; Y. Ujihira; T. Yamashita; K. Horie

Book ID
112680416
Publisher
Springer
Year
1996
Tongue
English
Weight
353 KB
Volume
210
Category
Article
ISSN
1588-2780

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Free-volume change in volume phase transition of polyacrylamide gel as studied by positron annihilation: Salt dependence
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Variation of free-volume parameters-average radius size, number concentration, and size distribution-of a polyacrylamide (PAAm) gel containing 4 mol % carboxylate anions is studied during a volume phase transition (VPT) caused by a change of sodium chloride (NaCl) concentration. A positron annihilat

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Changes in the free-volume parameters of polyacrylamide (PAAm) gels during the volume phase transition (VPT) were studied with the positron annihilation lifetime technique. The VPT was induced through the variation of the solvent composition in a mixture of acetone and water. The PAAm gels containin