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  • 1990-1994  (3)
Document type
Keywords
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Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    A structure rheological study of cellulose trinitrate in ethyl acetate (1992)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 44 (1992), S. 1657-1661 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A structure rheological analysis was undertaken with cellulose trinitrates dissolved in ethyl acetate. Empirical scaling laws with molecular mass and concentration were found for the zero shear viscosity ηo and the critical shear rate \documentclass{article}\pagestyle{empty}\begin{document}$ \dot \gamma _C $\end{document} at the onset of shear thinning. Values for the apparent chain element A' were calculated from the concentration dependent network strand Me and extrapolated to zero concentration. They were compared with dilute solution data. From the concentration dependence of the mass of network strand Me a network with hindered penetration was inferred.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1992.070440920
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Empirical scaling laws in polymer solution rheologyDedicated to Prof. F. R. Schwarzl with best congratulations for his 65th birthday. (1990)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Letters Edition 28 (1990), S. 141-145 
    Details
    ISSN: 0887-6258
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1990.140280405
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    An automated high pressure capillary rheometer with hydraulic driveDedicated to Prof. Dr. Otto Vogl on the occasion of his 65th birthday (1993)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 204 (1993), S. 63-71 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Es wird ein neues Kapillar-Rheometer beschrieben, bei dem der Druck, mit dem die Meßflüssigkeit durch die Kapillaren gepreßt wird, durch eine hydraulische Vorrichtung erzeugt wird. Das Gerät ist voll zautomatisiert und wird durch einen PC gesteuert. Verschiedene Meß-Moden können vorgewählt und dann automatisch ausgeführt werden. Einige vorläufige Ergebnisse an Newtonschen Flüssigkeiten und an Polymerlösungen zeigen das Funktionieren des neuen Rheometers.
    Notes: A new capillary rheometer design is described, in which a hydraulic device is used to produce the pressure driving the sample fluid through capillaries. The device is fully automated and controlled by a PC unit. Various measuring modes can be preselected and are automatically executed. Some preliminary results with New tonian fluids and with polymer solutions show the functioning of the new rheometer.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1993.052040105
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    Paper (German National Licenses)
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