Polyimide Serious Product

Bannor series of high strength and high modulus polyimide filament products developed by the company.This series of products have excellent mechanical properties, while maintaining the inherent flame retardant, high temperature carbonization instead of melt, very low combustion flew gas and almost non-toxic, high and low temperature resistance, radiation resistance, chemical resistance, good dimensional stability, good interface combination and other characteristics.The products are mainly used in aerospace, structural materials, electrical and electronic, special cables and other fields.

No

Item

Unit

Value

1

Fineness

dtex

100~2000

2

Density

g/cm3

1.42

3

Breaking strength

Gpa

3.0~3.8

4

Modulus

cN/dtex

650~1000

5

Breaking elongation

%

1.5~3.5

6

Continuous use temperature

260

7

Initial decomposition temperature

550

8

Limiting oxygen index (LOI)

%

38

9

Acid resistance


good


Radiation resistance


good

 

Mechanical properties

Comparison of mechanical indexes between Bannor fiber, Vectran and PPTA

Item

Unit

Vectran

PPTA

Bannor

Polyimide

HT

UM

Standard

UM

Density

g/cm3

1.41

1.44

1.44

1.45

1.42

Breaking strength

Gpa

3.2

2.9

2.8

2.8

3.0~3.8

Breaking elongation

%

3.8

2.7

2.9

2.3

1.5~3.5

Elasticity modulus

cN/dtex

530

740

493

774

650~1000









Aging resistance

Comparison ofaging resistance between Bannor fiber and other high performance fiber:

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Comparative analysis of irradiation resistance between Bannor fiber and Vectran fiber: (Electron microscopy analysis of Lamp Aging Performance):

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Comparison of irradiation resistance between Bannor fiber and Kevlar fiber:

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Thermal stability

Bannor fiber heat resistance test:

Glass transition temperature 330℃,5%thermal weight loss550

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Stength retention of several high performance fibers at different heat

treatment temperatures:

 

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Dimensional stability

Polyimide fiber has excellent dimensional stability:  Shrinkage behavior ofPolyimide and Kevlar 49 fiber during heat  treatment.(Test conditions:tension 0.01n;Heating rate5C/min;Nitrogen)

 

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Material interface bonding properties

Polyimide fiber has excellent interface bonding properties:

 

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l  High performance aerostat

l  Optical cable reinforcementand

l  special cable

l  Marine nonmetallic pipes

l  High performance cable sheath

l  Functional structure integrated composite materials

 

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