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Rubbing cloth and preparation method and preparation device thereof

A technology of rubbing cloth and carbon nanotubes, which is applied in nonlinear optics, instruments, optics, etc., can solve problems such as uneven cotton cloth warp and weft density friction strength, poor pre-tilt angle uniformity of orientation grooves, and static electricity accumulation damage to array substrates, etc. Achieve the effects of not easy to shed hair, uniform orientation direction and high uniformity

Inactive Publication Date: 2013-12-25
HEFEI BOE OPTOELECTRONICS TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When rubbing the oriented film with a cotton rubbing cloth, since the cotton cloth is a natural cotton textile, the density of the longitude and latitude is not easy to control during weaving, which will lead to uneven warp and weft density of the cotton cloth, and the uneven warp and weft density of the cotton cloth will cause friction strength. Uneven, resulting in poor uniformity of the pretilt angle of the orientation groove
When rubbing the alignment film with a woolen rubbing cloth, the woolen material is easy to lose hair, which will pollute the alignment film, and the static electricity of the woolen material is relatively large, and the accumulation of static electricity will not only damage the array substrate, but also make the alignment film easy to absorb dust Particles; and, because the wool is a synthetic fiber with high hardness, the seams of the wool wrapped on the friction roller will cause periodic uneven friction on the orientation groove

Method used

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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  • Rubbing cloth and preparation method and preparation device thereof
  • Rubbing cloth and preparation method and preparation device thereof
  • Rubbing cloth and preparation method and preparation device thereof

Examples

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preparation example Construction

[0071] Based on the same inventive concept, the embodiment of the present invention also provides a preparation method of rubbing cloth, such as figure 1 As shown, the following steps may be included:

[0072] S01, prepare the fiber of the composite material that is made up of carbon nanotube and polyamide;

[0073] S02. Weaving the fiber into friction cloth.

[0074] In the preparation method of the above-mentioned rubbing cloth provided in the embodiment of the present invention, the rubbing cloth is prepared by using fibers of a composite material composed of carbon nanotubes and polyamides. Since carbon nanotubes have good antistatic properties, polyamide materials It has good friction ability, so the fiber of the composite material composed of carbon nanotubes and polyamide has good antistatic property and good friction ability; and, because the fiber is a man-made material, when weaving, the cloth The warp and weft density of the fiber is easy to control, so the unifor...

example 1

[0092] The fiber of the composite material composed of carbon nanotubes and polyamide is prepared by melt spinning, and then the fiber is woven into friction cloth by using an intelligent controller to control the warp tension of the air-jet loom, such as Figure 2a As shown, it specifically includes the following steps:

[0093] S201, preparing a solution of a composite material composed of carbon nanotubes and polycaprolactam;

[0094] In specific implementation, carbon nanotubes, polyamide and propylene solvent can be mixed according to the mass fraction of carbon nanotubes being 0.01%-0.8%, the mass fraction of polycaprolactam being 50%-60%, and the rest being propylene solvent. , and then ultrasonically treat the mixed solution to obtain a solution of a composite material composed of carbon nanotubes and polycaprolactam. Specifically, the ultrasonic frequency is generally controlled between 15KHZ-50KHZ.

[0095] S202, filtering and purifying the solution of the composit...

example 2

[0106] The fiber of the composite material composed of carbon nanotubes and polyamide is prepared by electrospinning, and then the fiber is woven into a friction cloth by using an intelligent controller to control the warp tension of the air-jet loom, such as Figure 2b As shown, it specifically includes the following steps:

[0107] S201, preparing a solution of a composite material composed of carbon nanotubes and polycaprolactam;

[0108] In specific implementation, carbon nanotubes, polyamide and propylene solvent can be mixed according to the mass fraction of carbon nanotubes being 0.01%-0.8%, the mass fraction of polycaprolactam being 50%-60%, and the rest being propylene solvent. , and then ultrasonically treat the mixed solution to obtain a solution of a composite material composed of carbon nanotubes and polycaprolactam. Specifically, the ultrasonic frequency is generally controlled between 15KHZ-50KHZ.

[0109] S202, filtering and purifying the solution of the comp...

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 discloses rubbing cloth and a preparation method and a preparation device thereof. The rubbing cloth is made of a composite material composed of carbon nano tubes and polyamide; since the carbon nano tubes have excellent antistatic property and the polyamide has excellent rubbing capability, the composite material composed of the carbon nano tubes and the polyamide has excellent antistatic property as well as excellent rubbing capability; moreover, as the composite material is an artificial material, wrap and weft density of the cloth are easily controlled during weaving, and further the rubbing cloth made of the composite material is high in uniformity; besides, the rubbing cloth made of the composite material is less prone to fur shedding. Therefore, the rubbing cloth is not only high in antistatic property and less prone to fur shedding, but also capable of realizing uniformity of orientation directions of orientation grooves under the condition of high rubbing strength, and further contrast and image quality of a liquid crystal display device are improved.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a rubbing cloth, a preparation method and a preparation device thereof. Background technique [0002] In recent years, liquid crystal display panels (Liquid Crystal Display, LCD) have gradually spread in people's lives. A liquid crystal display panel is mainly composed of an array substrate, a color filter substrate, and liquid crystal molecules located between the two substrates. The liquid crystal display panel controls the orientation of liquid crystal molecules through an electric field to change the transmittance of the liquid crystal display panel, thereby realizing the display function. In order to arrange the liquid crystal molecules in a certain direction in the initial state, it is necessary to coat a layer of alignment film on the inner surface of the opposite substrate of the liquid crystal display panel and the inner surface of the array substrate, an...

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 Applications(China)
IPC IPC(8): G02F1/1337
CPCG02F1/133784
Inventor 井杨坤陆召彬孙国防高楠张波尹洋植
Owner HEFEI BOE OPTOELECTRONICS TECH
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