Thermal stability and degradation of poly(N-(4-chlorophenyl) acrylamide) homopolymer and copolymer of N-(4-chlorophenyl) acrylamide with methyl methacrylate

Different concentrations of copolymer of (N-(4-chlorophenyl) acrylamide) (CA) with methyl methacrylate (MMA) were prepared and the reactivity ratio values of copolymerization were calculated using 1H NMR technique. Thermal analysis of the copolymers showed that the thermal stability is intermediate...

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Bibliographic Details
Published in:Journal of Saudi Chemical Society 2014-11, Vol.18 (5), p.638-645
Main Authors: Diab, M.A., El-Sonbati, A.Z., El-Bindary, A.A., Abd. El-Ghany, H.M.
Format: Article
Language:English
Subjects:
Decomposition (Chemistry)
Degradation and reactivity ratios
Poly(N-(4-chlorophenyl) acrylamide)
Polymers
Thermal properties
Thermal stability
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Summary:Different concentrations of copolymer of (N-(4-chlorophenyl) acrylamide) (CA) with methyl methacrylate (MMA) were prepared and the reactivity ratio values of copolymerization were calculated using 1H NMR technique. Thermal analysis of the copolymers showed that the thermal stability is intermediate between poly(N-(4-chlorophenyl) acrylamide) (PCA) and poly(methyl methacrylate) (PMMA) homopolymers. Thermal degradation products of the PCA were identified by GC–MS techniques. It seems that the mechanism of degradation of PCA homopolymer is characterized by free radical formation followed by recombination along the backbone chain. The activation energies of the thermal degradation of the copolymers were calculated using Arrhenius relationship.
ISSN:1319-6103
DOI:10.1016/j.jscs.2014.01.011