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Use of Amplitude and Frequency Spectrometry for Determining the Sol-Gel Phase Transition

  • E.-O. Reher
  • R. Schnabel
  • V. Schulze

Abstract

The paper presents a method for determining the sol-gel phase transition of gelatine-containing aqueous solutions. Dynamic measurements carried out at varying amplitudes give the possibility of drawing conclusions about structures of gel formation from the sudden cooling regime by assessing the validity of the COX-MERZ rule. The stationary and dynamic solidification isotherms are quantified.

Keywords

Solidification Isotherm Dynamic Shear Modulus Solidification Kinetic Temperature Transmitter Frequency Spectrometry 
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References

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    Schnabel, R.; Schulze, V.; Reher, E.-O.i Rheologische Aspekte der experimentellen und theoretischen Untersuchung von Verfestigungsprozessen, Teil I: Uberblick und das Konzept der Erstarrungskinetik bei Verfestigungsprozessen, Acta Polynu 37, 1986, 5; S. 268 - 272; Teil II: Rheometrische Untersuchungen, Acta Polym. 38, 1987, 2; S. 122 - 125, Zum Sol-Gel-Phasenübergang gelatinehaltiger Lösungen, IV, Kolloquium “Rheologie und Textur der Lebensmittel” 16. und 17. Nov. 1988, DresdenGoogle Scholar
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    Gonzalez, V.M. Macosko, C.W.: Viscosity rise during free radical cross-linking polymerization with inhibition, ANTEC ’84, S. 1024 - 1028Google Scholar
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    Uagaslaeva, S.D.; Trapeznikov, A.A.: Vysokomolekuljarnye poedinenija 21, 1979, 4; S. 836–841Google Scholar

Copyright information

© Elsevier Science Publishers Ltd 1990

Authors and Affiliations

  • E.-O. Reher
    • 1
  • R. Schnabel
    • 1
  • V. Schulze
    • 1
  1. 1.Department of Materials Science and Polymer Process EngineeringTechnical University “Carl Schorlemmer” Leuna-MerseburgMerseburgGermany

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