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  • Polyethylene  (2)
  • flow-limited  (1)
  • Springer  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Structure and properties of ultra-high modulus polyethylene (1982)
    Springer
    Colloid & polymer science 260 (1982), S. 174-181 
    Details
    ISSN: 1435-1536
    Keywords: Polyethylene ; ultra-high modulus ; deformation process ; entanglements ; preferred orientation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The relationship between formation, structure and tensile modulus of ultrahigh modulus polyethylene is explained on the basis of a structural model in which entanglements formed during the deformation process play an important rôle. The results of wide- and small-angle X-ray scattering are interpreted in terms of structural parameters derived from this model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01465437
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  • 2
    Electronic Resource
    Electronic Resource
    Computer simulation of sulfobromophthalein kinetics in the rat using flow-limited models with extrapolation to man (1975)
    Springer
    Journal of pharmacokinetics and pharmacodynamics 3 (1975), S. 277-290 
    Details
    ISSN: 1573-8744
    Keywords: sulfobromophthalein (BSP) ; kinetics ; BSP disposition ; mathematical model ; flow-limited
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A linear, flow-limited mathematical model of drug kinetics was used to simulate total sulfobromophthalein (BSP) kinetics in normal anesthetized rats during intravenous infusions and following rapid intravenous injections. Four parameters were used to characterize the distribution and biliary and urinary excretion of BSP: liver- to- plasma concentration ratio, extrahepatic tissue- to- plasma concentration ratio, liver clearance rate constant, and renal plasma clearance rate constant. The same parameters appear to characterize the kinetics of BSP in man through the successful application of “scale- up” techniques utilizing data from experiments in rats. Plasma levels of BSP corresponding to intravenous infusions and rapid intravenous injections in man are approximated by computer simulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01066923
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  • 3
    Electronic Resource
    Electronic Resource
    The effect of pressure crystallization on structure and properties of hot-drawn polyethylene (1983)
    Springer
    Colloid & polymer science 261 (1983), S. 717-720 
    Details
    ISSN: 1435-1536
    Keywords: Polyethylene ; high modulus ; hot-drawing ; pressure crystallization ; entanglements
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The change of the drawing behaviour of polyethylene is studied as a function of molecular weight and crystallization pressure. The results are interpreted using the entanglement concept for the correlation between draw ratio, tensile modulus and molecular weight. Pressure crystallization of the starting material appears to reduce the number of entanglements formed during the drawing process and increases the maximum obtainable tensile modulus for samples of medium molecular weight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01410945
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