GLORIA

GEOMAR Library Ocean Research Information Access

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 1
    Electronic Resource
    Electronic Resource
    Kinetics of the Synthesis of Polystrene Glycols (1968)
    s.l. : American Chemical Society
    Industrial and engineering chemistry 7 (1968), S. 12-16 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/i360025a003
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Kationische Copolymerisation von Tetrahydrofuran mit Propylenoxid. 7. Mitt. Einfluß von Wasser auf die Reaktion (1977)
    Springer
    Colloid & polymer science 255 (1977), S. 1032-1032 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01776339
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Kationische Copolymerisation von Styroloxid mit Propylenoxid (1977)
    Springer
    Colloid & polymer science 255 (1977), S. 1040-1040 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01776397
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Kationische Copolymerisation von Propylenoxid mit Tetrahydrofuran. 9. Mitt. Berechnung der individuellen Geschwindigkeitskonstanten (1978)
    Springer
    Colloid & polymer science 256 (1978), S. 716-716 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01784512
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Kationische Copolymerisation von Propylenoxid mit Tetrahydrofuran. 10. Mitt. Variation der Reaktivitätsverhältnisse mit den verschiedenen Reaktionsparametern (1978)
    Springer
    Colloid & polymer science 256 (1978), S. 297-297 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01550663
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Copolymerisation von Propylenoxid mit Tetrahydrofuran. 9. Mitt. Die Entwicklung eines empirischen Modells zur Bestimmung der kinetischen Parameter (1978)
    Springer
    Colloid & polymer science 256 (1978), S. 201-201 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01679397
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    Rheological behaviour of asphalts (1979)
    Springer
    Rheologica acta 18 (1979), S. 382-391 
    Details
    ISSN: 1435-1528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Zusammenfassung Mittels eines Gleit-Platten-Rheometers wurden an einer Reihe von Asphaltproben verschiedener Herkunft und mit verschiedenen Penetrationsgraden bei unterschiedlichen Temperaturen Steifheitsmoduln bestimmt. Die erhaltenen Kriechkurven ließen sich am besten mit Hilfe eines rheologischen Modells nachBurgers darstellen. Bei kurzen Belastungszeiten und niedrigen Temperaturen strebten die Steifheitsmodul-Kurven gegen die das elastische Verhalten beschreibende horizontale Asymptote mit Maximalwerten von 5 ⋅ 108 Pa. Bei längeren Belastungszeiten und höheren Temperaturen strebten diese Kurven jedoch gegen die das viskose Verhalten kennzeichnende Asymptote. Die mittels der kombinierten Gleichungen nachSchweyer et al. und nachWilliams-Landel-Ferry für Temperaturen zwischen −10 und 20°C berechneten Steifheitsmoduln stimmten nur für 20°C gut mit den experimentell ermittelten Werten überein. Für kurze Belastungszeiten (〈50 sec.) decken sich die experimentellen Steifheitsmoduln recht genau mit den aus dem Nomogramm nachVan Der Poel abgelesenen Werten.
    Notes: Summary Stiffness moduli of asphalts of different origins and penetration grades were measured at various temperatures by the sliding plate rheometer. The creep curves obtained were best explained on the basis of Burgers mechanical model. For small loading times and at low temperatures, the stiffness modulus curves converged with the horizontal elastic asymptote and showed maximum values of 5 ⋅ 108 pascals. For longer loading times and at high temperatures the stiffness modulus converged with the viscous asymptote. The stiffness moduli calculated from the combined equations ofSchweyer et al. and ofWilliams-Landell-Ferry for temperatures ranging from −10 to 20°C and those obtained experimentally agreed well only at 20°C. For short loading times (〈 50 sec) the experimental stiffiness modulus values agree well with those read from theVan Der Poel nomograph.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01515832
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Molecular heterogeneity characterization in polyglycols (1968)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 12 (1968), S. 169-174 
    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: This paper deals with polydispersity coefficient characterization in poly(propylene glycols) (PPG 425, 750, 1025, 1200, and 2025) and poly(ethylene glycols) (PEG 200, 600, and 1000). The methods used involved ratio of 50% solution to intrinsic viscosity and ratio of weight-average to number-average molecular weight, as determined by gel permeation chromatography, light-scattering photometry, and vapor pressure osmometry. The methods used assigned the same value to this coefficient. Polydispersity in polyglycols, which have low molecular weights (≤2200) and narrow distributions (≤1.1), may thus be determined from viscosity measurements.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1968.070120116
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    Molecular weight distribution in a poly(vinyl chloride-vinyl acetate) copolymer (1972)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 16 (1972), S. 603-613 
    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: The molecular weight distribution of a vinyl chloride-vinyl acetate copolymer has been studied by three methods: (a) solution fractionation; (b) osmometry and light scattering; (c) gel permeation chromatography. In (a), the fractions were precipitated from a tetrahydrofuran solution by water, then characterized. The data yielded models for the intrinsic viscosity and the molecular weight distribution, in terms of the copolymer molecular weight. In (b), the unfractionated copolymer was characterized by osmometry and light scattering, using in the latter case the two currently accepted theories for the determination of the true weight-average molecular weight. Conflicting data suggest caution in the use of these theories. In (c), the original fractions served to establish a calibration curve which yielded exceptionally low results when applied to the analysis of the unfractionated VC-VAc copolymer. Further investigations using proposed universal calibration theories bring to light serious discrepancies.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1972.070160307
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    The interaction of a cationic silane coupling agent with mica (1983)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 28 (1983), S. 1235-1244 
    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: Carbon analysis was used as a method for measuring the quantity of a cationic vinyl benzyl silane (CVBS) adsorbed onto the surface of mica. The results obtained indicate that CVBS can be applied from aqueous solution over a wide pH range with best treatment in neutral and acidic media. The amount adsorbed depends on the concentration of the treating solution in the lower concentration range while in the higher range, the adsorption is less dependent on concentration. The relationship, silane adsorption vs. time of treatment, shows a steplike dependence. It is suggested that each step corresponds to a monolayer coverage. The data indicate that CVBS on mica is a highly ordered and closely packed multilayer phase with the silane molecules oriented normal to the surface. The multilayer adsorption of silane onto silane in this system may be compared in some respects to polymer crystal growth.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1983.070280327
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...