Skip to main content

Advertisement

Table 5 Shrinkage intervals—mean values of interval starting temperatures (°C)

From: Model study of the leather degradation by oxidation and hydrolysis

  Hydrolysable Condensed
A1 B1 C B2 A2 Tlast A1 B1 C B2 A2 Tlast
Ref 61.5 ± 4.3 63.6 ± 4.0 67.3 ± 5.4 74.3 ± 6.6 76.7 ± 5.0 79.1 ± 6.0 79.3 ± 0.2 81.3 ± 0.6 85.0 ± 2.2 93.6 ± 4.2 95.7 ± 4.3 96.7 ± 3.4
Xe 36.6 ± 3.2 53.4 ± 3.8 60.9 ± 9.4 72.2 ± 16.5 74.0 ± 15.2 77.9 ± 12.3 70.3 ± 6.2 73.5 ± 5.3 82.1 ± 6.0 89.3 ± 6.3 91.8 ± 6.1 92.9 ± 7.1
H2O2-a 63.5 ± 3.9 66.8 ± 2.4 69.8 ± 2.9 71.6 ± 4.5 79.5 ± 5.2 81.1 ± 5.4 68.5 ± 2.6 70.5 ± 2.2 74.8 ± 0.4 81.2 ± 1.2 83.0 ± 1.0 84.1 ± 0.9
H2O2-b 40.3 ± 1.2 43.5 ± 0.3 47.5 ± 1.0 52.9 ± 1.5 54.3 ± 1.7 57.0 ± 0.4       
HCl 47.9 ± 4.0 51.9 ± 5.9 54.1 ± 5.5 58.1 ± 4.6   60.9 ± 2.7 50.3 ± 1.6 52.1 ± 2.4 53.4 ± 2.3 58.4 ± 0.4 61.8 ± 1.2 63.9 ± 1.1
  1. Tlast, end of the shrinkage