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Table 4 Kinetic parameters of the polyamides 12–25

From: Synthesis and characterization of thermally stable aromatic polyamides and poly(1,3,4-oxadiazole-amide)s nanoparticles containing pendant substituted bezamides

No Slope DTA ΔEa a b Sb Nc αmd Tm(K) Ze ΔSf ΔHg hR2
12 −23.5 195.5 1.3 0.7 5.3 1.7 0.5 537.7 3.9 −0.23 −128.1 0.96
−11.1 93.0 2.9 1.5 5.2 1.7 0.5 833.5 1.1 −0.25 −210.3 0.97
13 −12.7 105.6 3.6 1.2 8.5 2.1 0.4 823.4 0.7 −0.25 −210.2 0.95
14 −10.5 87.7 1 0.7 4.0 1.5 0.5 815.7 1.0 −0.25 −205.9 0.99
−9.4 78.5 6 3 5.7 1.7 0.5 821.2 0.9 −0.25 −208.2 0.96
15 −17.4 145.0 4 1.9 6.0 1.8 0.5 810.1 1.8 −0.24 −201.0 0.99
16 −29.4 244.7 0.6 0.5 3.4 1.3 0.5 648.4 4.0 −0.23 −155.4 0.96
−17.0 141.9 4.8 1.6 8.5 2.1 0.4 867.7 1.6 −0.24 −216.5 0.98
17 −10.2 85.1 0.9 0.6 4.2 1.5 0.5 405.1 1.3 −0.24 −99.2 0.98
−23.6 196.9 0.6 0.7 2.4 1.1 0.6 554.2 2.3 −0.24 −134.7 0.97
−11.8 98.8 0.4 1 1.1 0.7 0.6 629.3 0.9 −0.25 −158.1 0.98
−53.9 448.6 3 1.5 5.7 1.7 0.5 801.9 3.6 −0.24 −194.3 0.99
18 −20.7 172.3 0.4 1.2 0.9 0.7 0.6 365.8 5.5 −0.23 −85.0 0.86
−36.3 302.4 1.3 0.7 5.3 1.7 0.5 736.5 4.4 −0.24 −176.8 0.97
−7.3 60.8 2.3 1.1 4.1 1.8 0.5 836.3 0.7 −0.25 −214.1 0.82
19 −23.6 196.9 3.4 1.5 6.4 1.8 0.5 852.2 2.3 −0.24 −209.9 0.99
20 −40.5 337.8 0.9 0.5 5.1 1.6 0.5 790.3 4.5 −0.24 −189.9 0.95
−25.0 207.8 2.8 1.6 5.0 1.6 0.5 887.6 2.4 −0.24 −218.9 0.86
21 −21.9 182.6 0.5 0.6 2.2 1.1 0.6 679.7 2.8 −0.24 −165.2 0.99
−11.7 97.5 4.5 1.7 7.5 2.0 0.4 880.1 1.1 −0.25 −222.6 0.90
23 −14.1 117.4 4.2 2.4 5 1.6 0.5 815.5 0.8 −0.25 −207.3 0.99
−4.6 38.8 4 1.6 7.1 1.9 0.5 834.3 0.2 −0.26 −220.2 0.91
24 −25.6 213.1 0.8 0.4 6.0 1.8 0.5 706.7 3.1 −0.24 −171.3 0.99
−24.8 206.8 3.4 2.5 3.8 1.4 0.5 852.4 2.5 −0.24 −209.6 0.92
25 −27.4 227.8 2.8 1.7 4.7 1.6 0.5 831.7 2.8 −0.24 −203.5 0.84
  1. aDE:activation energy, bS: asymmetry of the peak, cn: order of chemical reaction, dαm: decomposed substance fraction at the moment of maximum development of reaction with (T = Tm),eZ: collision factor (s-1), fΔS: entropy in KJ/mol, gΔH: enthalpy in KJ/mol, hR2: coefficient of determination.