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Manufacturing method of polyamide conductive fibres

A manufacturing method and technology of conductive fibers, which can be used in conductive/antistatic filament manufacturing, fiber processing, conjugated synthetic polymer rayon, etc. problems such as falling off, to achieve the effect of good autogenous conductivity, good alkali resistance, and durable autogenous conductivity

Active Publication Date: 2014-08-06
嘉兴貂帅服饰有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Conductive fibers made of high molecular polymers with conductive substances as the matrix have poor strength, making spinning and weaving difficult and high production costs; in addition, because polyester (PET) conductive fibers are not resistant to shrinkage, once Treated by alkali, the conductive material falls off and loses conductivity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: the manufacture method of polyamide conductive fiber of the present invention, it takes the following steps:

[0026] A), according to the number of parts by mass, take 15 copies of tetraacicular zinc oxide whiskers with a characteristic parameter of 0.2-1um in diameter and a length of 5-15um, and 5 copies of conductive whiskers with a characteristic parameter of 0.2-0.6um in diameter and a length of 5-12um Potassium titanate whiskers; after mixing the above materials evenly, bake them in a vacuum furnace at 350°C for 5 hours, stir and disperse them in absolute ethanol with sodium hexametaphosphate after cooling, and then treat them with normal pressure plasma for 15 minutes, and then use 65°C containing Ultrasonic dispersion and cleaning of calcium stearate dispersion in deionized water for 30 minutes, take the suspended whiskers in the upper layer of the solution and filter them through 150 mesh, take the modified whiskers mixed solution, and repeat the o...

Embodiment 2

[0030] Embodiment 2: the manufacture method of polyamide conductive fiber of the present invention, it takes the following steps:

[0031] A) According to the number of parts by mass, take 12 copies of tetraacicular zinc oxide whiskers with characteristic parameters of 0.2-1um in diameter and 5-15um in length, and 3 parts of electrical conductivity with characteristic parameters of 0.2-0.6um in diameter and 5-12um in length Potassium titanate whiskers; after mixing the above materials evenly, bake them in a vacuum furnace at 300°C for 4 hours; after cooling, stir and disperse them in absolute ethanol with sodium hexametaphosphate, then treat them with normal pressure plasma for 10 minutes, and then use 60°C Ultrasonic dispersion and cleaning in deionized water of calcium fatty acid dispersion for 30 minutes, take the suspended whiskers in the upper layer of the solution and filter through 150 mesh, take the modified whiskers mixed solution, and repeat the operation 3 times until ...

Embodiment 3

[0035] Embodiment 3: the manufacture method of polyamide conductive fiber of the present invention, it takes the following steps:

[0036] A) According to the number of parts by mass, take 18 copies of tetraacicular zinc oxide whiskers whose characteristic parameters are 0.2-1um in diameter and 5-15um in length, and 8 parts of electrical conductivity whose characteristic parameters are 0.2-0.6um in diameter and 5-12um in length Potassium titanate whiskers; after mixing the above materials evenly, bake them in a vacuum furnace at 400°C for 6 hours, stir and disperse them in absolute ethanol with sodium hexametaphosphate after cooling, then treat them with normal pressure plasma for 20 minutes, and then use 70°C to contain the whiskers Ultrasonic dispersion and cleaning in deionized water of calcium fatty acid dispersion for 35 minutes, take the suspended whiskers in the upper layer of the solution and filter through 150 mesh, take the modified whiskers mixed solution, and repeat...

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PUM

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Abstract

The invention discloses a manufacturing method of polyamide conductive fibres, which comprises the following steps of: A) uniformly mixing tetrapod-like zinc oxide whiskers and conductive potassium titanate whiskers, then calcining in a vacuum furnace; after cooling, stirring and dispersing by using sodium hexametaphosphate in anhydrous ethanol, then carrying out a plasma treatment at the normal temperature, carrying out ultrasonic dispersion and cleaning by reusing deionized water containing a calcium stearate dispersion liquid, taking solution upper suspension whiskers to be filtered by 150 meshes, taking a modified whisker mixed liquid, and repeating the operation until the filtration, drying in a vacuum oven after filtration to obtain a modified whisker mixture; B) stirring the modified whisker mixture obtained in the step A) with antimony-doped tin oxide conductive powder, superconducting super-conductive carbon black, a titanate coupling agent, an aluminate coupling agent and polyethylene wax in a mixer to obtain a modified whisker conductive comixture; C) blending and melting the modified whisker conductive comixture obtained in the step B) with polyamide powder, a PE-g-MAH phase flux and a 1010 antioxidant in the presence of trace sodium hexametaphosphate to be prepared into conductive polyamide slices; and D) preparing conductive polyamide and conventional polyamide to be sheath-core polyamide conductive fibers through a composite spinning technology.

Description

technical field [0001] The invention relates to a method for manufacturing polyamide conductive fibers. The polyamide conductive fibers include ATO conductive powder, superconductive carbon black, zinc oxide whisker (ZnO), conductive potassium titanate whisker (PTW), etc., belonging to Technical field of functional fiber manufacturing. Background technique [0002] Polyamide fiber (called nylon in our country), its most prominent advantage is that its wear resistance is higher than all other fibers, 10 times higher than cotton, 20 times higher than wool, and a little polyamide fiber is added to the blended fabric. It can greatly improve its wear resistance; when stretched to 3-6%, the elastic recovery rate can reach 100%; it can withstand tens of thousands of times of bending without breaking. The strength of polyamide fiber is 1-2 times higher than that of cotton, 4-5 times higher than that of wool, and 3 times that of viscose fiber. The alkali resistance of polyamide fib...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F8/12D01F1/09D01D5/34
Inventor 凌荣根孙福汪进前齐庆莹杨美娟
Owner 嘉兴貂帅服饰有限公司
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