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International Letters of Chemistry, Physics and Astronomy
Volume 63
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Effect of Substitutions on Thermal Behavior of Symmetric Doubleschiff Bases of 1,1’-Bis(4-Amino Phenyl)Cyclohexane

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Abstract:

Thermo gravimetric analyses of some symmetric double Schiff bases of 1, 1’- bis (4-amino phenyl) cyclohexane (SDSB-1 to SDSB-6) was carried out at 100 C/min in nitrogen atmosphere. Schiff bases are thermally stable up to 200-285°C and followed two step degradation kinetic. Various kinetic parameters such as order of degradation (n), energy of activation (Ea), frequency factor (A) and entropy change (ΔS) were derived accordingly Anderson-Freeman method interpreted in light of nature of the substituents. The nature, size and position of substituents affected thermal properties of the Schiff bases.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 63)
Pages:
145-149
DOI:
10.18052/www.scipress.com/ILCPA.63.145
Citation:
B. J. Gangani and P. H. Parsania, "Effect of Substitutions on Thermal Behavior of Symmetric Doubleschiff Bases of 1,1’-Bis(4-Amino Phenyl)Cyclohexane", International Letters of Chemistry, Physics and Astronomy, Vol. 63, pp. 145-149, 2016
Online since:
Jan 2016
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