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  • 1950-1954  (2)
  • Polymer and Materials Science  (2)
  • Life Sciences
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  • 1
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 6 (1951), S. 661-664 
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The transition temperature, defined as the temperature where the log modulus temperature curve has an inflection point, is a linear function of the volume fraction of compatible plasticizer added to a high polymeric resin such as polyvinyl chloride. The transition temperature of plasticized compositions can be predicted from the transition temperatures of the pure polymer and plasticizer. The transition temperature of homogeneous copolymers can be predicted from the transition temperature of the individual polymerized monomers making up the copolymer. Data are presented on three copolymer systems containing vinyl chloride and on various plasticized materials.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 14 (1954), S. 391-395 
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The relative reactivities of polymer radicals in vinyl polymerization have been correlated semiquantitatively according to the Alfrey-Price Q′ and e scheme. Polystyrene radicals are arbitrarily assigned a Q′r value of unity. The relative reactivities of other polymer radicals are then characterized by the Q′ and e values of the parent monomers. This is shown by data concerned with copolymerization, homopolymerization, and chain transfer. It is proposed that the dispersion forces of London are the predominant influence in chain transfer reactions of polymer radicals with solvents.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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