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  • Polymer and Materials Science  (3)
  • J64
  • 1980-1984  (3)
  • 1
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 24 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 32 (1981), S. 608-611 
    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 stability of poly(alkylene terephthalate)s depends primarily on the chemical structure. Thermolysis was found to proceed essentially faster with polyterephthalates of long-chain diols, such as hexane and decane diol, as compared with poly(ethylene terephthalate). No particular effect of the catalyst on the rate of the thermolysis was observed with polyesters of long-chain diols.
    Notes: Die thermische Stabilität der Polyalkylenterephthalate wird in erster Linie durch die chemische Struktur bestimmt. Polyterephthalate der längerkettigen α,ω-Diole Hexandiol und Decandiol werden erheblich rascher thermisch gespalten als Polyethylenterephthalat. Ein spezifischer Katalysatoreinfluß auf die Thermolysegeschwindigkeit wird bei den Polyestern der längerkettigen Diole nicht beobachtet.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 33 (1982), S. 38-42 
    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: In connection with investigations on the reaction kinetics in the synthesis of polybutylene terephthalate the composition of the destillates and volatile degradation products formed have been studied. The multicomponent mixtures were separated by gaschromatography and the structure was characterized by mass spectroscopy. Based on the compounds identified the possible side reactions occuring in the synthesis of polybutylene terephthalate are discussed.
    Notes: Im Zusammenhang mit reaktionsanalytischen Arbeiten zur Synthese von Polybutylenterephthalat wurde die Zusammensetzung von Polykondensationsdestillaten sowie von flüchtigen Abbauprodukten untersucht. Zur Charakterisierung der Mehrkomponentengemische wurde die Gaschromatographie zur Trennung und die Massenspektrometrie zur Strukturaufklärung eingesetzt. Anhand der identifizierten Verbindungen werden mögliche Nebenreaktionen der Polybutylenterephthalatsynthese diskutiert.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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