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Kinetic Study of Action of Additives in Poly(Vinyl Chloride) Stabilizer Systems - III. Stobadine Dipalmitate

P. Kovařík, E. Klein, and L. Valko

Department of Physical Chemistry, Faculty of Chemical Technology, Slovak University of Technology, SK-812 37 Bratislava


Abstract: Possibility to use Stobadine dipalmitate, the antioxidant effect of which was found in search of antiarrhythmic drugs, for poly(vinyl chloride) stabilization has been studied using seventeen film samples. Degradation in real atmosphere at 180°C was followed potentiometrically and action of Stobadine dipalmitate has been evaluated. Stobadine dipalmitate in small amount (0.125 %) is able to slow down the rate of degradation in the presence of Irganox 1010, but in combination with Ca/Zn stabilizer system it was impossible to use Stobadine dipalmitate for polymer stabilization.

Full paper in Portable Document Format: 523a178.pdf


Chemical Papers 52 (3) 178–181 (1998)

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