THERMAL-DEGRADATION BEHAVIOR AND KINETIC-PARAMETERS OF COPOLYMERS OBTAINED BY COPOLYMERIZATION VIA ZWITTERION
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1991
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Abstract
The thermal degradation of a series of 18 copolymers corresponding to poly(p-methoxy-phenylmaleimide-co-2-methyl-2-oxazoline), poly(p-methoxyphenylmaleimide-co-2-ethyl-2-oxazoline), poly(p-nitrophenylmaleimide-co-2-methyl-2-oxazoline) and poly(p-nitrophenyl-maleimide-co-2-ethyl-2-oxazoline) has been investigated using thermogravimetry in the temperature range 20-500-degrees-C. All the copolymers degrade in one step. The kinetic parameters E(a), n and A have been calculated. The thermal stability depends on the copolymer composition.