Durable high performance composite conductive fibre and manufacturing method

A composite conductive, high-performance technology, applied in conductive/antistatic filament manufacturing, fiber processing, textiles and papermaking, etc., can solve problems such as low conductivity, large amount of conductive fibers, and inability to meet high-level purification requirements.

Inactive Publication Date: 2008-01-02
SINOSELEN HI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Due to the conductive layer structure and composite form, this type of composite conductive fiber has high resistivity, low conductivity, and poor durability.

Method used

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  • Durable high performance composite conductive fibre and manufacturing method
  • Durable high performance composite conductive fibre and manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Add 20 parts of high-conductivity carbon black with a particle size of 1 μ and 20 parts of polyethylene vinyl acetate into a high-speed mixer, perform high-speed mixing at a temperature of 105° C., cool down after 30 minutes and pulverize into granules. Add the granular blend and 60 parts of polyester powder into a high-speed mixer, heat mix at 150°C for 15 minutes, and then cold mix for 15 minutes to discharge the material into the hopper of the twin-screw extruder, heat at 280°C Down extrusion granulation into conductive layer particles, after drying as A component. Dried polyester chips are used as component B.

[0035] A component and B component are melted and extruded in their respective screw extruders, enter their respective metering pumps, and are metered according to the composite ratio of A / B=30 / 70, and then enter into the three-lobed composite spinning of A component In the assembly, in the composite spinning assembly, components A and B are sprayed out fro...

Embodiment 2

[0038] The distribution ratio and composite ratio of A and B components and the spinning conditions are the same as in Example 1, except that the winding speed is 1500m / min, and the double-zone stretching machine is used at 85°C / 180°C, stretched by 3.0 times, and the stretching speed is 600m Stretching and winding under / min, the cross-section of the composite conductive fiber manufactured is the same as example 1, the linear density of the conductive fiber is 23.7dtex / 2F, the breaking strength is 3.3CN / dtex, the elongation at break is 36%, and the resistivity is 7.3× 10 4 Ω / cm.

Embodiment 3

[0040] The distribution ratio and composite ratio of A and B groups and the spinning conditions are the same as in Example 1, but the as-spun yarn spun by one-step spinning and drawing process is oiled on the oil tanker and then enters GR1 and GR2 hot rollers for hot drawing, GR1 The temperature was set at 88°C, the temperature of GR2 was set at 123°C, and the speed of the winder was 4050m / min. The cross-section of the composite conductive fiber is the same as example 1, the linear density of the conductive fiber is 22.6dtex / 2F, the breaking strength is 3.1CN / dtex, the elongation at break is 46%, and the resistivity is 5.7×10 4 Ω / cm.

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Abstract

The invention discloses a durable high-performance composite conductive fiber and preparing method, which is characterized by the following: comprising with conductive layer and non-conducting layer; comprising the conductive layer with carrier resin as 20-30% (wt)conductive component and 80-70% (wt)non-conducting component; choosing the non-conducting as polyester or polyamide fibre-forming high polymer; choosing the conductive layer as three-flanged type and multilayer type; choosing the conductive component in the conductive layer as high conductive carbon black; utilizing mixed melting method; dispersing in the carrier resin; pelleting with double screw; forming conductive particle; choosing special three-flanged type and multilayer layer composite spinning component; utilizing composite spinning process technology. This invention possesses low conductive ratio, high conductivity and good durability, which can meet the demand of high level purification.

Description

technical field [0001] The invention relates to a durable high-performance composite conductive fiber and a manufacturing method, in particular to a trilobal and multi-layer composite conductive fiber with a conductive layer and a manufacturing method. Background technique [0002] Synthetic fibers, especially polyester fibers and polyamide fibers, have excellent properties in terms of dimensional stability, heat resistance and chemical resistance, and are widely used in clothing and industrial fields. However, due to their poor hygroscopicity, they are easy to The generation of static electricity causes trouble and harm. [0003] With the rapid development of modern high-tech industries, product quality problems caused by static electricity and fine dust particles in the air are becoming more and more prominent. Electronics, petroleum, chemical industry, aerospace, biological products, precision processing and other industries often cause disasters and troubles such as com...

Claims

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Application Information

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IPC IPC(8): D01F1/09D01F6/60D01F6/62D01D5/253
Inventor 侯庆华
Owner SINOSELEN HI TECH
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