Device and method for guiding fiber coating precursor coating through laser irradiation

A technology of laser irradiation and precursors, which is applied in the field of fiber manufacturing, can solve problems such as insufficient binding force, easy falling off, and easy adhesion, and achieve the effects of low cost, ensuring uniformity and maturity, and improving production efficiency

Active Publication Date: 2019-09-17
国装新材料技术(江苏)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Technical problem: The present invention discloses a laser irradiation guiding fiber coating precursor coating equipment and method, aiming at the lack of bonding force and easy falling off in the traditional fiber coating treatment, the coating raw materials between fibers Cases that are prone to sticking due to high temperature reaction

Method used

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  • Device and method for guiding fiber coating precursor coating through laser irradiation
  • Device and method for guiding fiber coating precursor coating through laser irradiation
  • Device and method for guiding fiber coating precursor coating through laser irradiation

Examples

Experimental program
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Effect test

Embodiment 1

[0046] The selected fiber is carbon fiber, and the coating precursor solution is a silicon carbide precursor solution with a concentration of 35%. The selected carbon fiber is completely immersed in the silicon carbide precursor solution. Then take out the impregnated carbon fiber and evenly wind it on the centrifugal drum of the desizing device. Adjust the rotating speed of the centrifugal drum to 800r / min, and desizing until there is no adhesion silicon carbide precursor solution between the fibers. Take out the fiber that has been desized, add it to the beam expanding device, expand the fiber bundle to a single layer of fiber of 10 cm, and evenly wind it on the fiber collecting drum. Put the fiber collection tube with the pretreated fibers on the conveyor roller in the closed chamber, and pass nitrogen with a temperature of 15°C as the protective gas from the air inlet of the closed chamber. Select the laser wavelength to be 355nm and the output power to be 10W.

[0047] Ad...

Embodiment 2

[0049] The selected fiber is silicon carbide fiber, and the coating precursor solution is an alumina precursor solution with a concentration of 60%. The selected silicon carbide fibers are completely immersed in the alumina precursor solution. Then take out the impregnated silicon carbide fiber and evenly wind it on the centrifugal drum of the desizing device.

[0050] Adjust the rotating speed of the centrifugal drum to 1200r / min, and desizing until there is no longer any adhesion alumina precursor solution between the fibers. Take out the fiber after desizing, add it to the beam expanding device, expand the fiber bundle to 50cm single layer fiber, and evenly wind it on the fiber collecting drum. Put the fiber collection tube with the pretreated fibers on the conveyor roller in the closed chamber, and pass carbon dioxide with a temperature of 25°C as the protective gas from the air inlet of the closed chamber. Choose the laser wavelength as 10.6um, and the output power is 70W....

Embodiment 3

[0052] The selected fiber is alumina fiber, and the coating precursor solution is a silicon carbide precursor solution with a concentration of 80%. The selected silicon carbide fibers are completely immersed in the alumina precursor solution. Then take out the impregnated alumina fiber and evenly wind it on the centrifugal drum of the desizing device.

[0053] Adjust the rotating speed of the centrifugal drum to 1500r / min, and desizing until there is no adhesion silicon carbide precursor solution between the fibers. Take out the fiber after desizing, add it to the beam expanding device, expand the fiber bundle to 20cm single layer fiber, and evenly wind it on the fiber collecting drum. Put the fiber collection tube with the pretreated fibers on the conveyor roller in the closed chamber, and pass argon gas with a temperature of 50° C. as the protective gas from the air inlet of the closed chamber. The laser wavelength is selected as 1064nm and the output power is 60W. Adjust th...

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Abstract

The invention discloses a device and method for guiding a fiber coating precursor coating through laser irradiation. The device comprises a fiber desizing device, a fiber bundle expanding device and a laser irradiation device; under a non-vacuum condition, after a fiber is subjected to laser irradiation, the fiber and a thermoplastic or thermosetting material can be heated and compounded, so that the comprehensive mechanical properties of a carbon fiber composite material can be enhanced, and annealing and curing can be quickly completed by introducing cooling inert protective gas.

Description

Technical field [0001] The invention relates to equipment and a method for coating a precursor coating on a laser-irradiated guiding fiber, and belongs to the technical field of fiber manufacturing. Background technique [0002] Coating on the fiber surface is an important method for composite modification of fibers. The coating can effectively improve the fiber interface and compensate for the defects on the fiber surface, so that the fiber has higher strength, modulus and other mechanical properties. The coating can also make the fiber have properties that it does not have, such as: insulation properties, electrical conductivity, high temperature resistance, hydrophobic properties, etc. Moreover, the coating can effectively protect the core material of the fiber, so that the fiber can be used in a wider range and has a longer service life. [0003] At present, the common fiber coating methods are as follows: chemical vapor deposition method (CVD method), chemical vapor reaction...

Claims

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Application Information

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IPC IPC(8): D06M10/06D02J1/18D06B3/02D06B15/10
CPCD06M10/06D06B3/02D06B15/10D02J1/18
Inventor 马鸿晨马小民王慧崔吟雪张德育
Owner 国装新材料技术(江苏)有限公司
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