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Method for preparing acrylics-protein-copper salt composite antistatic fiber

An antistatic fiber and a manufacturing method technology are applied in the manufacturing field of acrylic fiber-protein-copper salt composite antistatic fiber, which can solve the problems of increased production cost and high particle fineness requirements, and achieves low production cost, good antistatic performance, high value-added effects

Inactive Publication Date: 2010-06-23
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of these antistatic agents is that they are insoluble in PAN solvents. Therefore, in order to improve the compatibility with the matrix, the fineness of antistatic agents is required to be high, usually requiring ultrafine powder or even nanometer powder, which undoubtedly increases production costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Add gelatin and cuprous iodide to a NaSCN aqueous solution with a concentration of 51.3% in a mass ratio of 4.5:1, and continue stirring for about 1 hour until the system turns into a lavender paste substance; add the prepared paste substance to a concentration of 51.3% % NaSCN aqueous solution, stirred in a 70°C constant temperature water bath for about 30 minutes until all solid substances were completely dissolved; added PAN powder with a viscosity average molecular weight of 90,000 to the above solution, and kept stirring in a 60°C constant temperature water bath for 4 hours to make the protein-copper The weight ratio of the salt complex to polyacrylonitrile is 11:89, the content of PAN accounts for 13% (percentage by gravity) of the spinning solution, then the temperature of the solution is lowered to 60°C and left to stand at constant temperature for 8h for defoaming;

[0024] The spinning slurry enters the spinneret hole and is sprayed out through a metering pump,...

Embodiment 2

[0026] Add gelatin and cuprous iodide to a NaSCN aqueous solution with a concentration of 51.3% in a mass ratio of 2.5:1, and continue stirring for about 1 hour until the system turns into a lavender paste substance; add the prepared paste substance to a concentration of 51.3% % NaSCN aqueous solution, stirred in a constant temperature water bath at 70°C for about 30 minutes until all solid substances were completely dissolved; added PAN powder with a viscosity average molecular weight of 120,000 to the above solution, and continued to stir in a constant temperature water bath at 60°C for 4 hours to make the protein-copper The weight ratio of the salt complex to polyacrylonitrile is 7:93, and the content of PAN accounts for 13% (percentage by gravity) of the spinning solution, then the temperature of the solution is lowered to 60° C. and left at a constant temperature for 8 hours for defoaming;

[0027]The spinning slurry enters the spinneret hole through the metering pump and ...

Embodiment 3

[0029] Add gelatin and cuprous iodide to a NaSCN aqueous solution with a concentration of 51.3% in a mass ratio of 1:1, and continue stirring for about 1 hour until the system turns into a lavender paste substance; add the prepared paste substance to a concentration of 51.3% % NaSCN aqueous solution, stirred in a constant temperature water bath at 70°C for about 30 minutes until all solid substances were completely dissolved; added PAN powder with a viscosity average molecular weight of 800,000 to the above solution, and kept stirring in a constant temperature oil bath at 180°C for 4 hours to make the protein- The weight ratio of the copper salt complex to polyacrylonitrile is 9:91, and the content of PAN accounts for 5% (percentage by gravity) of the spinning solution, then the temperature of the solution is reduced to 140°C and left to stand at constant temperature for 12h for defoaming;

[0030] The spinning slurry enters the spinneret hole through the metering pump and is e...

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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Abstract

The invention relates to a manufacturing method of acrylic-protein-copper salt composite antistatic fiber, including: (1) the natural polymer protein and the inorganic molecules copper salt is dissolved in the polyacrylonitrile solvent forming a complex, and then the polyacrylonitrile solvent is blended forming a spinning dope to stand and defoam, the weight rate of copper salt and protein is 1:1-10, the weight rate of protein - copper complex and polyacrylonitrile is 1:6-20, the mass content of polyacrylonitrile in the spinning dope is 8-5%; (2) the spinning dope by spinning comes out from the spinneret holes to coagulate the primary fiber, and then drawing, hot stretch, curling, shaping, finish application and drying obtain a end product. The composite fiber has basic acrylic fiber original mechanical property, anti-ultraviolet discoloration property and washing-resistant performance, but also has good anti-static property.

Description

technical field [0001] The invention belongs to the field of composite fiber preparation, in particular to a method for manufacturing an acrylic fiber-protein-copper salt composite antistatic fiber. Background technique [0002] Acrylic fiber is a kind of synthetic fiber, which has excellent warmth retention property, excellent dyeability and no moth and mildew. After dyeing, it can obtain brighter colors than wool. Acrylic fiber is widely used in the manufacture of wool-like products, so acrylic fiber Also known as artificial wool. [0003] However, the polyacrylonitrile (PAN) macromolecules in acrylic fibers contain a large number of hydrophobic groups, which make acrylic fibers have strong hydrophobicity and extremely poor hygroscopicity, and are prone to static electricity. During the processing, the fibers with static electricity will entangle or block the machine parts; during weaving, it is easy to have unclear warp opening and uneven folding of the fabric, which wil...

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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F6/54D01F1/10D01D1/02D01D5/06D01D10/06D02J1/22
Inventor 沈新元车耀杨庆
Owner DONGHUA UNIV
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