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  • Articles  (3)
  • Polymer and Materials Science  (2)
  • (R)-Methyl-p-tolylsulfoxide  (1)
  • Chemistry and Pharmacology  (3)
  • 1
    Electronic Resource
    Electronic Resource
    A short route to homochiral D- and L-hexose precursors from (R)-methyl-p-tolylsulfoxide
    Amsterdam : Elsevier
    Tetrahedron: Asymmetry 5 (1994), S. 709-716 
    Details
    ISSN: 0957-4166
    Keywords: (R)-Methyl-p-tolylsulfoxide ; Chiral 2-Furylcarbinols ; Furan approach.
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0957-4166(94)80033-2
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Preferential interactions of poly(N-vinyl-2-pyrrolidone) in the binary mixture water/CdCl2 (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Polymer International 36 (1995), S. 345-351 
    Details
    ISSN: 0959-8103
    Keywords: viscometry ; densimetry ; unperturbed dimensions ; preferential interactions ; poly(N-vinyl-2-pyrrolidone) ; CdCl2 ; 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 poly(N-vinyl-2-pyrrolidone)(PVP)(2)/water(1)/CdCl2(3) ternary system has been studied by viscometry, densimetry and atomic absorption spectrophotometry. In this system a preferential adsorption of Cd2+ at all solvent compositions studied and a conformational transition at 4mM of salt, the concentration at which a preferential adsorption minimum of Cd2+ in exhibited, are observed. The PVP/Cd2+ bound molar ratio is 0·23. CdCl2 behaves as a salting-in agent for the macromolecule. The binary solvent mixture is thermodynamically more favourable at salt concentrations greater than 10 mM of CdCl2.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pi.1995.210360407
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  • 3
    Electronic Resource
    Electronic Resource
    Viscosity behaviour of poly(ethyl methacrylate) in the ethyl acetate/tert-butanol binary mixture: total and preferential adsorption (1996)
    New York, NY [u.a.] : Wiley-Blackwell
    Polymer International 41 (1996), S. 59-65 
    Details
    ISSN: 0959-8103
    Keywords: preferential adsorption ; total adsorption ; unperturbed dimensions ; poly(ethyl methacrylate) ; 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 behaviour of poly(ethyl methacrylate) (PEMA) in the ethyl acetate (1)/tert-butanol (2) binary mixture is studied by laser light scattering, differential refractometry and viscometry. Ethyl acetate is a solvent for the polymer and tert-butanol is a precipitant. Preferential adsorption of tert-butanol up to 15% alcohol in the binary mixture is observed, ethyl acetate being preferentially adsorbed in the macromolecular coil at higher percentage of alcohol in the solvent mixture. Total adsorption of PEMA is independent of the amount of tert-butanol in the solvent. Various theoretical expressions for the preferential and total adsorption coefficients are used; their agreement or disagreement with the experimental results is explained on the basis of polymer-solvent interactions.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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