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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Reaction kinetics and catalysis letters 8 (1978), S. 7-11 
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract В термоокислительной деградации ПВХ два процесса обладают решающей важностью: выделение HCl в аллил-активированной ступени, приводящее к образованию полиеновых сегментов в полимерном скелете, и радикальное окисление этих полиенов. Два процесса тесно связаны, т. к. носители радикалов цепей окисления инициируют также последующее выделение HCl. Это приводит к повышенной скорости выделения HCl и низкой стационарной концентрации полиенов.
    Notes: Abstract In the thermooxidative degradation of PVC two processes are of decisive importance: the elimination of HCl in allyl-activated steps producing polyene sequences in the polymer backbone, and the radical chain oxidation of these polyenes. The two processes are closely interrelated as the carrier radicals of the oxidation chain initiate also sequential HCl elimination. This results in an enhanced rate of HCl elimination and a low steady-state concentration of polyenes.
    Type of Medium: Electronic Resource
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