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Compound containing carbon nano-tube, hard coating and forming method thereof and hard coating film

A technology of carbon nanotubes and compositions, applied in coatings, optics, instruments, etc., to achieve the effects of improving surface wear resistance, production cost advantages, and improving surface hardness

Inactive Publication Date: 2013-07-24
辅讯光电工业(苏州)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Therefore, one of the objects of the present invention is to provide a composition containing carbon nanotubes, a hard coating and a method for forming the same, and a hard coating film. The above-mentioned composition containing carbon nanotubes can be applied to various substrates. Solve the problems of substrate surface wear resistance and surface hardness without affecting the optical effect of the substrate

Method used

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  • Compound containing carbon nano-tube, hard coating and forming method thereof and hard coating film
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  • Compound containing carbon nano-tube, hard coating and forming method thereof and hard coating film

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Experimental program
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Effect test

Embodiment 1

[0050] First, 0.01g of carbon nanotubes (MWCNT, Gundam Light Co., Ltd.) oxidized by strong acid (sulfuric acid: nitric acid = 1:1) and 9.99g of UV-curable resin (trade name U4690MP1, manufactured by Lida Chemical, solid content About 65%) in a 500ml glass reactor, stirred to make it evenly mixed, and prepared into a mixture containing carbon tube content with a weight of 10g and a carbon nanotube content of 0.1wt% (weight percentage), that is, a mixture containing carbon nanotubes UV-curable resin. The technology of carbon nanotubes being oxidized with a strong acid to form carboxylic acid groups is known, so it will not be repeated here.

[0051] Next, use a coating rod to coat the UV curable resin containing carbon nanotubes on the PMMA with a thickness of 2mm, and dry it in an oven at 80°C for about 2 minutes to remove excess solvent. Then with energy 1000mJ / cm 2 After irradiation with ultraviolet light, a hard coating with a thickness of 5-10 μm can be obtained.

[0052...

Embodiment 2

[0054] 0.05g of carbon nanotubes (MWCNT, Gundam Light Co., Ltd.) oxidized by strong acid (sulfuric acid: nitric acid = 1:1) and 9.95g of UV-curable resin (trade name U4690MP1, manufactured by Lida Chemical Industry Co., Ltd., with a solid content of about 65%) was stirred in a 500ml glass reactor to make it evenly mixed, and prepared into a carbon nanotube-containing mixture with a weight of 10g and a carbon nanotube content of 0.5wt%, that is, an ultraviolet curable resin containing carbon nanotubes.

[0055] Next, use a coating rod to coat the UV curable resin containing carbon nanotubes on the PMMA with a thickness of 2mm, and dry it in an oven at 80°C for about 2 minutes to remove excess solvent. Then with energy 1000mJ / cm 2 After irradiation with ultraviolet light, a hard coating with a thickness of 5-10 μm can be obtained.

[0056] Among them, please refer to Table 1 for the property evaluation results of the PMMA substrate (that is, the hard coating film) formed with the...

Embodiment 3

[0058] 0.1g of carbon nanotubes (MWCNT, Gundam Light Co., Ltd.) oxidized by strong acid (sulfuric acid: nitric acid = 1:1) and 9.90g of UV-curable resin (trade name U4690MP1, manufactured by Lida Chemical Industry Co., Ltd., with a solid content of about 65%) was stirred in a 500ml glass reactor to make it evenly mixed, and prepared into a carbon nanotube-containing mixture with a weight of 10g and a carbon nanotube content of 1.0wt%, that is, a carbon nanotube-containing UV-curable resin.

[0059] Next, use a coating rod to coat the UV curable resin containing carbon nanotubes on the PMMA with a thickness of 2mm, and dry it in an oven at 80°C for about 2 minutes to remove excess solvent. Then with energy 1000mJ / cm 2 After irradiation with ultraviolet light, a hard coating with a thickness of 5-10 μm can be obtained.

[0060] Among them, please refer to Table 1 for the property evaluation results of the PMMA substrate (that is, the hard coating film) formed with the above har...

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Abstract

The invention discloses a compound containing a carbon nano-tube, a hard coating and a forming method thereof and a hard coating film. The compound containing the carbon nano-tube comprises ultraviolet curing resin and the carbon nano-tube, wherein the surface of the carbon nano-tube is provided with functional groups after being oxidized to accelerate the carbon nano-tube to be dispersed in the ultraviolet curing resin. The compound containing the carbon nano-tube can be applied to various base materials, and problems of wear resistance on the surface of the base materials and surface hardness and the like are solved under the premise of not affecting the optical effect of the base materials.

Description

technical field [0001] The present invention relates to a composition containing carbon nanotubes, a hard coating and a method for forming the same, and a hard coating, and in particular to a hard coating containing nano Composition of carbon tubes. Background technique [0002] In the past, touch screens of electronic products used glass as the protective panel (Cover lens), but the glass was fragile and flexible. In order to solve the above problems, many manufacturers are gradually using PMMA substrates instead of glass as the Cover lens. Because of the plastic acrylic sheet (polymethyl methacrylate substrate, PMMA), it can be made lighter, cheaper, impact-resistant, flexible, etc. To replace glass with PMMA as the cover lens material, the biggest problem lies in the lack of scratch resistance and hardness of PMMA. At present, the most important way to improve the scratch resistance and hardness is to apply hard coating on the surface of the substrate. However, although...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D7/12C08J7/04G02B1/10G02B1/14
Inventor 赖孟村张金凤胡家豪
Owner 辅讯光电工业(苏州)有限公司
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