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Self-absorption electrostatic spinning device capable of being used for producing nanofibers in large quantities

A nanofiber, electrospinning technology, applied in the field of textile machinery

Inactive Publication Date: 2012-03-21
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above existing problems, the purpose of the present invention is to solve the deficiencies or defects existing in the existing electrospinning device, and provide a self-priming electrospinning device that can be used for mass production of nanofibers, and can simplify the device and reduce energy consumption. device

Method used

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  • Self-absorption electrostatic spinning device capable of being used for producing nanofibers in large quantities
  • Self-absorption electrostatic spinning device capable of being used for producing nanofibers in large quantities
  • Self-absorption electrostatic spinning device capable of being used for producing nanofibers in large quantities

Examples

Experimental program
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Embodiment 1

[0019] The self-priming electrospinning device of nanofibers, in the insulating storage pool 1 with the upper end open, the metal tube 4' with an inner diameter of 2 mm is vertically fixed in the spinning solution or melt 2 in the storage pool 1 through the integral support Among them, the upper ends of the metal tubes 4' are on the same horizontal plane, and the metal tubes 4' are arrayed in the spinning solution or melt 2, such as image 3 , The metal tubular objects 4' are five in one group, and the eight groups are arranged in parallel with each other to form an array. The array of metal tubular objects 4' is connected to the high-voltage electrostatic generator 3 through metal electrodes, the spinning solution 2 is a 5wt% polyvinyl alcohol aqueous solution, the array of metal tubular objects 4' is vertically fixed in the spinning solution 2, and one end is exposed to the spinning solution. On the surface of the silk solution 2, one end is immersed in the inside of the spi...

Embodiment 2

[0022]Self-priming electrospinning device for nanofibers, in an insulating storage pool 1 with an open upper end, a metal tube 4' with an inner diameter of 1 mm is vertically fixed to the spinning solution or melt 2 in the storage pool 1 through an integral support Among them, the upper ends of the metal tubular objects 4' are on the same horizontal plane, three metal tubular objects 4' are used as a group, and five groups are arranged in parallel with each other to form an array. An array of conductive capillaries 4 is connected to a high-voltage electrostatic generator 3 through a metal electrode. The spinning solution 2 is a 10wt% polyvinyl alcohol aqueous solution. The array of metal tubes 4' is vertically fixed in the spinning solution 2, and one end of the spinning solution is exposed. 2 surface, one end is immersed in the inside of the spinning solution 2, by controlling the amount of the spinning solution 2 added in the storage pool 1, the height of the metal tube 4' ex...

Embodiment 3

[0024] The self-priming electrospinning device of nanofibers, in the insulating storage pool 1 with the upper end open, the conductive glass tube 4' with an inner diameter of 0.1 mm is vertically fixed in the spinning solution or melt in the storage pool 1 through the integral support. In the body 2, the upper ends of the conductive glass tubular objects 4' are on the same horizontal plane, three conductive glass tubular objects 4' are used as a group, and five groups are arranged in parallel with each other to form an array. The array of conductive glass tubular objects 4' is connected to the high-voltage electrostatic generator 3 through metal electrodes, the spinning solution 2 is 10 wt% polyurethane N, N-dimethylformamide solution, and the array of conductive glass tubular objects 4' is vertically fixed In the spinning solution 2, one end is exposed from the surface of the spinning solution 2, and the other end is immersed in the spinning solution 2. By controlling the amou...

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Abstract

The invention relates to a nanofiber electrostatic spinning device, in particular to a self-absorption electrostatic spinning device capable of being used for producing nanofibers in large quantities, which belongs to the field of textile machinery. The self-absorption electrostatic spinning device consists of a liquid storage tank for storing spinning solution or melt, a high voltage static current generator, a nanofiber receiving device, a nanofiber transmitting device and a self-absorption spray nozzle. In the self-absorption electrostatic spinning device disclosed by the invention, a capillary principle is adopted for a self-absorption spray nozzle, the level of the spinning solution or melt in the self-absorption spray nozzle is raised by the infiltration capillary force of the self-absorption spray nozzle, local strong electric fields are formed between the level of the spinning solution or melt and a receiving electrode plate on the upper end surface of the self-absorption spray nozzle, and electrostatic spinning is realized. The spinning solution or melt is supplemented automatically by the capillary force between the self-absorption spray nozzle and the spinning solution or melt, the self-absorption spray nozzle is not blocked easily, the production efficiency is high, the mass production of the nanofibers can be realized, and simultaneously, devices and energy consumption are reduced.

Description

technical field [0001] The invention relates to an electrospinning device for nanofibers, in particular to a self-priming electrospinning device capable of mass producing nanofibers. It belongs to the field of textile machinery. technical background [0002] There are many kinds of electrospinning nanofiber devices widely used at present: single nozzle or multi-nozzle syringe type, vibrating electrospinning device (patent number: CN100516321C); bubble electrospinning device (patent number: CN100503905C), rotating coil type (Xin Wang, Haitao Niu, Tong Lin, Xungai Wang, Wire Coil eedleless Electrospinning of Polymer Nanofibers, International Conference on Fibrous Materials 2009, Shanghai, P.R. China), Magnetic Fluid Electrospinning Setup. [0003] Whether it is a single-nozzle or multi-nozzle syringe spinning method, due to the small diameter of the nozzle hole, there are defects such as low spinning efficiency and yield, easy plugging of the spinneret hole and difficult clea...

Claims

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Application Information

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IPC IPC(8): D01D5/00D01D13/00D01D4/02
Inventor 柏自奎许杰徐卫林肖仕丽叶汶祥杨红军刘欣梁桂杰崔卫钢
Owner WUHAN TEXTILE UNIV