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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 221 (1994), S. 187-205 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Polyether auf Triazinbasis können mittels phasentransferkatalysierter Polykondensation bei Raumtemperatur und Reaktionszeiten von 1 bis 3 h hergestellt werden. Von mehr als 20 Polyethern wurden Löslichkeiten, Glasübergangstemperaturen, thermogravimetrische Daten, Reißdehnungen, Reißfestigkeiten, Elastizitätsmoduli und Schlagzähigkeiten bestimmt. Von den Polymeren aus 2,4-Dichlor-6-diethylamino-s-triazin und Bisphenol A wurde zusätzlich der Kristallisationsgrad mittels Röntgenweitwinkelstreuung ermittelt. Das Inkrement des 1,3,5-Triazintriylrings wurde bestimmt, so daß die Glastemperaturen einiger Polyether nach van Krevelen berechnet werden konnten.
    Notes: Triazine-based polyethers can be synthesized by phase transfer catalysed interfacial polycondensation at room temperature and reaction times of about 1 to 3 h. In this way, more than 20 polyethers were synthesized and solubilities, glass transition temperatures, thermogravimetric data, elongations at break, tensil strengths, elasticity moduli and impact strengths were determined. In addition, the degree of crystallinity was investigated for the polymer obtained from of 2,4-dichloro-6-diethylamino-s-triazine and bisphenol A by wide angle X-ray diffraction. The increment of the 1,3,5-triazinetriyl ring was determined, which made it possible to calculate the glass transition temperatures of some polyethers according to van Krevelen.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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