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  • 1
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The thermal properties of poly(bis-alkylthio-acetylene)s in the temperature range from 30°C to 600°C have been investigated. On the basis of thermal analysis, 13C-solid state NMR and ESR spectroscopic measurements on the solid phases and gas chromatographic characterization of the volatile pyrolysis products, possible pyrolysis reactions are formulated. A simple kinetic model of the thermal behaviour of poly(bis-methylthio-acetylene) in a wide range of temperature and time is suggested.
    Notes: Das thermische Verhalten der Poly(bis-alkylthio-acetylen)e wurde im Temperaturbereich von 30°C bis 600°C untersucht. Aus den Ergebnissen der thermischen Analyse, aus 13C-Festkörper-NMR- und ESR-Messungen an den festen Thermolyserückständen und der Untersuchung der flüchtigen Pyrolyseprodukte werden mögliche Abbaureaktionen abgeleitet. Für einen weiten Zeit- und Temperaturbereich wird für Poly(bis-methylthio-acetylen) ein einfaches kinetisches Modell formuliert.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 333 (1991), S. 19-24 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The reaction of 3H,6H-1,2-dithiolo[4,3-c]1,2-dithiole-3, 6-dithione (1) with primary aliphatic amines (8a,b) gives 3H,6H-3,6-bisalkylimino-1,2-dithiolo[4,3-c]1,2- dithiole (9a,b), 3H,3-N-alkylamino-5-N-alkylthiocarbamido-1, 2-dithiolium-4-thiolate (10a,b) and 3H,3-N-alkylimino-4-alkylamino-5-N-alkylthiocarbamido-1,2-dithiole (11a,b). The compounds 9-11 can be formed from one another. The compounds 10a,b react with nickel chloride to the stable complexes 14a,b. In basic medium 10 gives the salt of 3H,3N-alkylthiocarbamido-1,2-dithiole-4-thiolate 15, which reacts with methyl iodide to 3H,3N-alkylimino-5-N-alkylthiocarbamido-4-methylthio-1,2-dithiole 16.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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