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Nylon-MXD6 Monofilament

Table 13 compares the tensile characteristics of Nylon-MXD6 monofilament with other polymers. Nylon-MXD6 monofilament exhibits greater tensile strength than Nylon 6, Nylon66 and PET. Compared with Nylon 6 and Nylon 66 polymers, Nylon-MXD6 also shows greater elastic modulus. Furthermore, these qualities of Nylon-MXD6 are retained even under high humidity.

Table 13 Tensile Strength of Nylon-MXD6 Monofilament under Standard and Humid Conditions
Resin Unit Nylon-
MXD6
Nylon
6
Nylon
66
PET
  S6007      
Relative Viscosity 2.7 3.5 3.5 0.651)
  Overall
Draw
Ratio
  4.5 4.5 4.5 4.5
Fineness D 2000 2000 2000 2000
Drawn
Filament
Diameter
μm 480 500 500 450
Tensile Characteristics [ 23℃, 50%RH Equilibrium]
Moisture
Content
% 1.7 2.6 2.4 0.5
Tensile
Strength
gf/D 6.0 5.4 5.1 4.9
(MPa) (650) (540) (510) (600)
Elongation Percentage % 18 22 20 18
Young's
Modulus
kgf/mm2 600 180 230 840
(GPa) (5.9) (1.8) (2.3) (8.2)
Knot
Strength
gf/D 4.5 3.4 3.3 3.9
(MPa) (490) (340) (330) (480)
Knot/
Tensite
Strength
Ratio
% 75 63 65 80
 
[ 23℃, 50%RH Equilibrium ]
Moisture
Content
% 5.8 10 8.5 0.7
Tensile
Strength
gf/D 5.6 5.0 4.7 4.6
(MPa) (610) (500) (470) (560)
Elongation Percentage % 20 24 21 19
Young's
Modulus
kgf/mm2 450 130 200 790
(GPa) (4.4) (1.3) (2.0) (7.7)
Knot
Strength
gf/D 4.0 3.2 3.0 3.8
(MPa) (440) (320) (300) (460)
Knot/
Tensite
Strength
Ratio
% 72 64 64 83

1) Limiting Viscosity

Fig. 13 compares the tensile strength of Nylon-MXD6 monofilament with other polymers after steam is applied to the monofilament (120℃, gauge pressure of 1.1kgf/cm2steam). Nylon-MXD6 monofilament maintained 60% of its original tensile strength after being steamed for 7 days. It thus shows greater hydrolytic resistance than monofilaments made of Nylon 6, and especially that made of PET.

Fig.13 Tensile Strength of Nylon-MXD6 Monofilament after Applying Steam

Nylon-MXD6 Monofilament

Steam ambience treatment: 120℃, 1.1kgf/cm2(0.11MPa)

Table 14 compares the tensile strength of Nylon-MXD6 monofilament with other polymers after they have been immersed in heated Hydrogen peroxide (3% concentration, 90℃, 8hr). Nylon-MXD6 monofilament retains about 70% of its original tensile strength, showing a greater resistance to Hydrogen peroxide than Nylon 6 monofilament.

Table 14 Tensile Strength of Nylon-MXD6 Monofilament after Immersion in Hydrogen peroxide at 90℃(Immersion Time:8hrs)
Resin Type Nylon-MXD6 Nylon 6 PET
Grades S6007    
Overall Draw Ratio 4.5 4.5 4.5
Fineness (D) 4,000 4,000 4,000
Drawn Filament Diameter (µm) 680 700 640
Tensile Characteristics [ ] shows retention
Resin Type Nylon-MXD6 Nylon 6 PET
Before Immersion 6.0 [100] 5.4 [100] 4.9 [100]
After Immersion in
H2O2aq./90℃
4.1 [69] 1) 2.9 [60]
Elongation Percentage (%)
Resin Type Nylon-MXD6 Nylon 6 PET
Before Immersion 18 [100] 22 [100] 18 [100]
After Immersion in
H2O2aq./90℃
19 [109] 1) 26 [144]
Young's Modulus(kgf/mm2
Resin Type Nylon-MXD6 Nylon 6 PET
Before Immersion 600 180 840
After Immersion in
H2O2aq./90℃
470 1) 720

1) Extreme deterioration prevented measurement.
Figures in[ ]: retention of tenacity or elongation(%)

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