Linear viskoelastisches Materialverhalten teilkristalliner Zwischenschichten

نویسندگان

چکیده

Ethylenvinylacetat (EVA)- und Ionoplastfolien finden immer mehr Anwendung in Verbundgläsern. Im Gegensatz zur Polyvinylbutyral-Folie, besitzen EVA Ionoplaste jedoch teilkristalline Bereiche, welche beim Erreichen der Schmelztemperatur schmelzen. Wird die Schmelze abgekühlt, so werden Kristallite wieder gebildet. Der Schmelz- Kristallisationsprozess unterscheiden sich erheblich voneinander. vorliegende Artikel untersucht Struktur am Beispiel einer Ionoplastfolie mithilfe von Differenzkalorimetrie-Messungen bei verschiedenen Heiz- Kühlraten. Mithilfe Dynamisch-Mechanisch-Thermischen Analysen wird gezeigt, dass das viskoelastische Materialverhalten durch den Kristallisationsgrad beeinflusst wird. Linear viscoelastic material behaviour of semicrystalline interlayers. Ethylene vinyl acetate (EVA) and ionoplastic interlayers are increasingly used laminated glass. Unlike polyvinyl butyral based interlayers, however, have partially crystalline regions that melt when the temperature is reached. When cooled, crystallites formed again. The melting crystallization processes differ considerably from each other. This article investigates semi-crystalline structure an interlayer using differential calorimetry measurements at different heating cooling rates. Using dynamic mechanical thermal analysis, it shown behavior influenced by degree crystallization.

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ژورنال

عنوان ژورنال: ce/papers

سال: 2022

ISSN: ['2509-7075']

DOI: https://doi.org/10.1002/cepa.1675