The effectiveness of
spraying with 3.75 v/v % active agent emulsion was
similar to the efficiency of standardized ironing
Figure 7. Optical wrinkle tester calibration. From upper left to lower right: (a) blind, wrinkle factor 0; (b) WR5 replica, wrinkle
factor 17.38; (c) WR4 replica, wrinkle factor 18.32; (d) WR3 replica, wrinkle factor 21.88; (e) WR2 replica, wrinkle factor 38.31;
(f) WR1 replica, wrinkle factor 87.32.
20 30 40 50 60 70 80
20
30
40
50
60
70
80
Untreated fabric
Rapeseed oil
Safflower oil
Coconut oil
wrinkle factor from optical tester
time [min]
initial fast response
Figure 6. Cotton fabric sprayed with an aqueous emulsion of
vegetable oils. The wrinkle recovery factor and relaxation kinetics
depend on the type of oil.
456 Textile Research Journal 84(5)
(Figure 9), and thus proof of the beneficial effect of the
sprays on the wrinkle recovery properties.