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Fiber extending method for carbon fibers through supersonic wave

An ultrasonic and carbon fiber technology, applied in fiber processing, textile and papermaking, physical processing, etc., can solve the problems of a large decline in the mechanical properties of carbon fiber, affecting the use of carbon fiber, slow speed, etc., achieving good fiber spreading effect, low cost of invention, The effect of enhancing the fiber spreading effect

Inactive Publication Date: 2013-10-09
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These patents all adopt a fiber spreading method combining heating and extrusion. Due to the effect of heating, the fiber structure changes, so that the mechanical properties of the carbon fiber fiber spreading by this type of method decrease greatly, which seriously affects the use of carbon fiber. Class methods are slower and less efficient

Method used

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  • Fiber extending method for carbon fibers through supersonic wave

Examples

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Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1 adopts the sodium hydroxide solution that concentration is 15wt%, and ultrasonic power is 2000W, and ultrasonic frequency is 100kHz, and the tangential drafting guide roll in solution is 3 pairs, and drafting speed is 0.8m / s to stretch carbon fiber bundle. fiber.

Embodiment 2

[0020] Example 2 uses an ethanol solution with a concentration of 30wt%, with an ultrasonic power of 2500W and an ultrasonic frequency of 160kHz. There are 2 pairs of tangential draft guide rollers in the solution, and the draft speed is 1.5m / s to spread the carbon fiber bundle.

Embodiment 3

[0021] Embodiment 3 adopts the hydrogen peroxide solution that concentration is 20wt%, and ultrasonic power is 1500W, and ultrasonic frequency is 160kHz, and the tangential drafting guide roll in solution is 3 pairs, and drafting speed is 1.2m / s to stretch carbon fiber bundle. fiber.

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Abstract

The invention relates to a fiber extending method for carbon fibers through supersonic wave, belonging to a field of weaving processing and weaving machinery. A technical scheme comprises guiding the carbon fiber bundles into a container filled with a supersonic generator and a chemical solution through yarn guide rollers, and the carbon fiber bundles are subjected to drawing effects of two or more tangent yarn guide rollers. By using the technical scheme provided by the invention, the carbon fiber bundles can be obviously extended to be relatively wide and relatively thin, meanwhile, a strength loss of the carbon fibers is small and quality is reliable.

Description

technical field [0001] The invention relates to an ultrasonic fiber spreading method for carbon fibers, which belongs to the field of textile processing and textile machinery. technical background [0002] In recent years, with the rapid development of wind power and automobile industries, carbon fiber reinforced resin matrix composites have made great progress. The carbon fiber used as reinforcement mainly includes carbon fiber prepreg and carbon fiber fabric. Whether it is carbon fiber prepreg or carbon fiber fabric, the thinner the fabric, the smaller the mass per unit area, the smaller the deviation of its physical properties, and the better the mechanical properties. Because the lighter and thinner the carbon fiber, the product will be lighter and thinner, and the performance will be better. Therefore, the carbon fiber bundle before sales and the carbon fiber bundle before weaving generally have to go through the fiber spreading process. [0003] At present, the fiber...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M10/06D06M10/08
Inventor 马丕波蒋高明高哲缪旭红丛洪莲
Owner JIANGNAN UNIV
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