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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Technical physics letters 23 (1997), S. 276-278 
    ISSN: 1090-6533
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An analysis is made of the hydrodynamic characteristics of the propagation of thermal polymerization waves in liquid media without hardening of the final polymer product. The process is described mathematically using a system of equations for the dynamics and the heat and mass transfer in a reacting liquid medium, written in the Boussinesq approximation and assuming the simplest overall polymerization reaction.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Measurement techniques 25 (1982), S. 347-348 
    ISSN: 1573-8906
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-9031
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Conclusion As shown in this review, the methods for preparation of TMHQ based on the symmetrically substituted trimethylphenol I compare favorably with those based on more traditional routes [94], which are based on unsymmetrically substituted trimethylphenols as the starting material. Today, a number of chemical methods both for the oxidation of mesitol I to quinol II and for the rearrangement of the latter to TMHQ exist, which are suitable for industrial-scale applications. A limiting factor in the practical application of Scheme 1 is the absence of simple and efficient methods for the preparation of mesitol I. The electrochemical methods for the oxidation of mesitol I deserve more attention in order to increase their efficiency since this could lead to the replacement of the heretofore more efficient, but ecologically more problematic and potentially dangerous, chemical methods for oxidation. Furthermore, detailed studies on the acid-catalyzed rearrangement of II could lead to the development of processes that do not require an inert atmosphere, which is the case when this reaction is carried out using base catalysis. The practical realization of Scheme 1 can be further improved by more research concentrating on the problems and limitations mentioned. Doubtless, most of the still existing problems will be solved in the near future.
    Type of Medium: Electronic Resource
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