A kind of preparation method of polyacrylonitrile-based high-strength conductive fiber

A polyacrylonitrile fiber, polyacrylonitrile-based technology, applied in the direction of fiber type, fiber treatment, fiber chemical characteristics, etc., can solve the problem of unsatisfactory conductivity of conductive PAN fiber, poor strength of conductive PAN fiber, and shedding of conductive layer And other problems, to achieve the effect of good spinnability, high strength, good conductivity and durability
CN105401247BActive Publication Date: 2018-09-04JILIN ACRYLIC FIBERS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JILIN ACRYLIC FIBERS CO LTD
Publication Date
2018-09-04

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Abstract

The invention relates to high-strength conductive fibers and particularly relates to a preparing method of a polyacrylonitrile-based high-strength conductive fiber. The method includes 1) preparing a polyacrylonitrile fiber by adopting acrylonitrile and vinyl acetate as raw materials, 2) subjecting the prepared fiber to high-temperature drafting, 3) processing the fiber subjected to high-temperature drafting in saturated low-pressure vapor, 4) putting the fiber processed in the saturated low-pressure vapor to a sodium hydroxide solution, washing and drying, 5) putting the dried fiber into an aqueous solution of a copper salt, heating to 50-60 DEG C, adding a sodium thiosulfate solution, heating to 70-80 DEG C, maintaining the temperature for 30-40 min, adding a sodium thiosulfate solution again, heating to 100-105 DEG C, and maintaining the temperature for 1-1.5 h, and 6) after the temperature maintaining is finished, washing, oiling, dehydrating and drying. The polyacrylonitrile-based high-strength conductive fiber prepared by the method is stable in conductivity, good in conductive durability and high in strength.
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Description

technical field

[0001] The invention belongs to high-strength conductive fibers, and in particular relates to a preparation method of polyacrylonitrile-based high-strength conductive fibers. Background technique

[0002] Acrylic fiber has good warmth retention, unique hand feeling and excellent dyeing performance, and is widely used in daily life and industrial production. However, the moisture regain of acrylic fiber is low, and the volume specific resistance is 10 7 -10 11 Therefore, the antistatic effect is poor, and it is easy to accumulate static charges due to friction, and its voltage can reach more than 10kV. The generated static electricity also brings serious harm to people's production and life, which is mainly reflected in the following two aspects: 1. From the aspect of civilian use, static electricity will cause textiles to be vacuumed and stained during use, and clothing will entangle the human body to cause adhesion discomfort sense, and adversely affect h...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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