Table 5 Tensile properties of filament affected by alkali treatment.

From: 3D printing of continuous cotton thread reinforced poly (lactic acid)

Samples

Diameter (mm)

Treatment

Strength (A) (MPa)

Strain (A) (%)

Strength (B) (MPa)

Strain (B) (%)

1

0.6

None

44.26 ± 0.55

1.88 ± 0.01

17.32 ± 1.23

3.76 ± 0.02

2

0.8

None

46.63 ± 0.38

2.18 ± 0.13

6.84 ± 1.56

6.82 ± 0.06

3

0.6

NaOH

52.78 ± 0.15

3.14 ± 0.01

63.75 ± 1.27

19.99 ± 0.18

4

0.8

NaOH

52.99 ± 0.23

3.16 ± 0.01

66.16 ± 1.63

20.53 ± 0.13

5(unbroken)

0.8

NaOH

44.87

3.26

65.88

19.22