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International Journal of Interdisciplinary Research

Table 2 Effect of temperature on the physical and mechanical properties of treated denim garments

From: Characterization and process optimization of indigo dyed cotton denim garments by enzymatic wash

Temp. (°C)

Tensile strength (Kg f)

Dimensional stability (shrinkage %)

Weight of fabric (GSM)

Stiffness (cm)

Water absorption (%)

Moisture content (%)

Moisture regain (%)

EPI & PPI

Elongation at break (%)

Color shade

Warp

Weft

0.0 Before wash

245 (0)

136 (0)

0 (0)

318 (0)

4.5 (0)

126

7.4

7.53

70 x42

L = 21 W = 16

5

40

223 (−9%)

118 (−13%)

L = − 6.0 W = 0

330 (+3.8%)

3.0 (−33%)

145

8.81

7.95

70 x46

L = 36 W = 20

4/5

50

213 (−13%)

110 (−19%)

L = − 6.2 W = 0

334 (+5.0%)

2.78 (−38%)

150

8.90

8.20

70 x46

L = 37 W = 22

 

55

205 (−16%)

106 (−22%)

L = − 6.4 W = +0.5

334 (+5.0%)

2.62 (−41.8%)

155

8.92

8.60

69 x46

L = 37 W = 22

3/4

60

193 (−21%)

95 (−30%)

L = − 6.6 W = +1.0

334 (+5.0%)

2.50 (−44.4%)

158

8.94

8.60

69 x46

L = 33 W = 24

3

65

190 (−22%)

95 (−30%)

L = − 7.2 W = +1.0

333 (+4.7%)

2.48 (−44.8%)

158

8.93

8.60

69 x46

L = 33 W = 24

2/3

70

190 (−22%)

95 (−30%)

L = − 7.2 W = +1.0

332 (+4.4%)

2.47 (−45.1%)

158

8.95

8.60

69 x46

L = 33 W = 24

2/3

  1. Values at 0.0 concentrations represent the denim garments without cellulase enzyme treatment.
  2. Conditions used: cellulase enzyme, 2%; acetic acid, 1 g/l; temperature, 40 -70°C; time, 40 min; pH, 5.5; M: L, 1:30.