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Polyvinylester

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Polyvinylester
– allgemeine Formel –

(R = CH3; CH2Cl; C2H5 etc.)

Polyvinylester zählen zu den thermoplastischen Kunststoffen. Die praktisch wichtigste Vertreter dieser Stoffgruppe sind das Polyvinylacetat (PVAC) und das Polyvinylpropionat.[1]

Die radikalische Polymerisation des Vinylesters 1 (z. B. Vinylacetat; R = CH3) liefert den Polyvinylester 2:

Synthese der Polyvinylester
Synthese der Polyvinylester

Die transparenten Polymerisate werden zur Herstellung von Lacken und als Klebstoff verwendet.[1] Die hydrolytische Spaltung der Esterbindungen von Vinylacetat zum Polyvinylalkohol ist von technischer Bedeutung.[2]

Einzelnachweise

[Bearbeiten | Quelltext bearbeiten]
  1. a b Hans-Dieter Jakubke, Ruth Karcher: Lexikon der Chemie in drei Bänden. Spektrum Verlag, Heidelberg 1999, ISBN 3-8274-0381-2, S. 93.
  2. Sebastian Kotzenburg, Michael Maskus, Oskar Nuyken: Polymere: Synthese, Eigenschaften und Anwendungen. Springer Spektrum, Berlin 2014, ISBN 3-642-34772-X, S. 429–430.
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Polyvinylester
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