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Device and method for batch preparation of blended yarn with electrostatic spinning nanofiber composite short fiber network

A nanofiber, electrospinning technology, applied in fiber processing, yarn, textiles and papermaking, etc., can solve the problems of easy wear and tear during nanofiber processing and use, disordered nanofiber deposition, etc., to achieve good industrial application prospects, good nanofiber Fiber distribution uniformity, easy processing effect

Active Publication Date: 2018-05-15
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The preparation methods of several nanofiber / short fiber blended yarns or core-spun yarns that currently exist basically use a single needle to spin on the spinning frame. The nanofibers on the surface of the spun yarn are easy to wear and tear during processing and use.

Method used

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  • Device and method for batch preparation of blended yarn with electrostatic spinning nanofiber composite short fiber network
  • Device and method for batch preparation of blended yarn with electrostatic spinning nanofiber composite short fiber network
  • Device and method for batch preparation of blended yarn with electrostatic spinning nanofiber composite short fiber network

Examples

Experimental program
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Effect test

Embodiment 1

[0036]This embodiment provides a device for preparing blended yarns in batches by electrospinning nanofiber composite staple webs. A conveyor belt 17 is arranged on one side of the carding machine 1, and an electrospinning device 4 is arranged on the conveyor belt 17. The other side of the belt 17 is provided with a bell mouth fixing device 6, a bell mouth 18 is set on the bell mouth fixing device 6, and a bar can 7 is set on the other side of the bell mouth fixing device 6; wherein the electrospinning device 4 is provided with a suspension Downward spinning nozzle 3.

[0037] Described carding machine 1 comprises cotton feeding roller 19, doffer 8, cylinder 15, cover plate 16 and fiber web output roller 20, and the nip of fiber web output roller 20 is positioned at the same level as conveying belt 17.

[0038] The suspended downward spinning nozzle 3 is a positive slit liquid control device, including a solid cylinder 9, a hollow cylinder 10 and a round table nozzle 11, where...

Embodiment 2

[0042] This embodiment provides a method for preparing blended yarns in batches by electrospinning nanofiber composite staple fiber webs, and the specific steps are as follows:

[0043] (1) 10g polyacrylonitrile (molecular weight is 78000) is dissolved in 85g DMF, adds 5g triclosan antibacterial agent, stirs evenly in magnetic stirrer, obtains that antibacterial agent concentration is 5wt%, polyacrylonitrile concentration is 10wt% uniform spinning solution.

[0044] (2) Mix cotton staple fiber with cotton, open and clean the cotton to obtain a fiber roll, feed the fiber roll into the carding machine 1 by the cotton feeding roller 19, comb through the cylinder 15, the cover plate 16 and the doffer 8, and output it from the fiber web The rolls 20 are output and the staple fiber web 2 is formed on the transfer belt 17 .

[0045] (3) Add the spinning liquid in the step (1) to the electrospinning device 4 for hanging spinning from top to bottom, the applied voltage is 60kv, the di...

Embodiment 3

[0049] This embodiment provides a method for preparing blended yarns in batches by electrospinning nanofiber composite staple fiber webs, and the specific steps are as follows:

[0050] (1) 10g polyacrylonitrile (molecular weight is 78000) is dissolved in 89.5g DMF, adds 0.5g nano-zinc oxide, stirs in magnetic stirrer, obtains that nano-zinc oxide concentration is 0.5wt%, polyacrylonitrile concentration is 10 wt% homogeneous spinning solution.

[0051] (2) Mix viscose staple fiber with cotton, open and clean the cotton to obtain a fiber roll, feed the fiber roll into the carding machine 1 by the cotton feeding roller 19, and comb through the cylinder 15, the cover plate 16 and the doffer 8, and form the fiber web The output roller 20 outputs and forms the staple fiber web 2 on the conveying belt 17 .

[0052] (3) Add the spinning liquid in the step (1) to the electrospinning device 4 for hanging spinning from top to bottom, the applied voltage is 60kv, the distance between th...

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Abstract

The invention relates to a device and a method for batch preparation of blended yarn with an electrostatic spinning nanofiber composite short fiber network. The device is that a conveyor belt (17) isarranged on one side of a carding machine (1), an electrostatic spinning device (4) is arranged on the conveying belt (17), a bell mouth fixing device (6) is arranged on the other side of the conveying belt (17), a bell mouth (18) is arranged on the bell fixing device (6), a cylinder (7) is arranged on the other side of the bell fixing device (6). The method comprises preparation of functional spinning solution, preparation of functional nanofibers, preparation of a composite layer of nanofiber / short fiber network and preparation of electrostatic spinning nanofiber / short fiber blended yarn.The device is simple in processing, the operation is feasible, the prepared nanofibers / short fiber blended yarn has better functionality and nanofiber distribution uniformity, the grades and added value of traditional textiles are significantly improved, and the device and the method have a good application prospect of industrialization.

Description

technical field [0001] The invention belongs to the field of spinning processing devices and methods, and in particular relates to a device and method for preparing blended yarns in batches by electrospinning nanofiber composite short fiber webs. Background technique [0002] In recent years, with the prosperity of the country's economy and the remarkable improvement of the national living standard, functional textiles and nano-textiles have gradually entered the public's field of vision, and have attracted widespread attention and favor from consumers and technology developers. Compared with traditional textiles, functional textiles not only meet the needs of people to wear clothes and cover their bodies in the past, but also endow them with more functionality, opening up the applicable occasions and fields of traditional textiles; and nano-textiles broadly refer to those containing Textiles made of nanomaterials often endow them with new properties and effects without chan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D02G3/04D02G3/44D01D5/00
CPCD01D5/0069D01D5/0076D01D5/0092D02G3/04D02G3/441D02G3/449D10B2201/02D10B2201/24D10B2321/10D10B2321/121D10B2331/02D10B2331/10D10B2401/13D10B2401/16D10B2401/22
Inventor 覃小红杨宇晨俞建勇
Owner DONGHUA UNIV
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