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Effect of Metal Oxides on the Thermal Degradation of High Impact Polystyrene (1998)

Gupta, M. C. ; Viswanath, S. G.

Springer

Journal of thermal analysis and calorimetry 53 (1998), S. 931-936

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Details

ISSN: 1572-8943

Schlagwort(e): catalysts ; effect of additives ; high impact polystyrene ; kinetic parameters ; thermal degradation

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract The kinetic parameters for the thermal degradation of high impact polystyrene (HIPS) in presence of some metal oxides exhibit reaction rate compensation effect. In thermal degradation of HIPS in presence of transition metal oxides different active centers act simultaneously as reaction sites and macroradicals are formed through random chain scission, disproportion or cyclization. Some oxides retard the polymer degradation through crosslinking and cyclization by the interaction of macroradicals with the double bond in butadiene.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1010154804771

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