Table 4 Mechanical test results of undyed and dyed PP fabrics.

From: Simultaneous dyeing and antibacterial finishing of polypropylene using vinyl sulfone dye under supercritical carbon dioxide

Warp specimen

Elongation (%)

Maximum force (N)

Undyed sample

41.80

1214

Dyed sample in scCO2 at 120 °C

44.50

1160

Dyed sample in scCO2 at 130 °C

43.32

1130

Dyed sample in water

33.22

950

  1. PP were dyed at a concentration of 3%, pressure 25 MPa, a dyeing time 120 min.