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Matte printing ink, preparation method thereof and shading adhesive tape

A technology of matte ink and light-shielding tape, which is applied in the direction of ink, adhesive, film/sheet adhesive, etc., can solve the problem of non-fitting surface not being scratch-resistant, and achieve good light-shielding effect and good scratch resistance The effect of low performance and production cost

Inactive Publication Date: 2019-02-19
新丰杰力电工材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the light-shielding tapes currently on the market are manually pasted, fingerprints are likely to be left on the non-fitting surface of the light-shielding tape, and the non-fitting surface is not resistant to scratches.

Method used

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  • Matte printing ink, preparation method thereof and shading adhesive tape
  • Matte printing ink, preparation method thereof and shading adhesive tape
  • Matte printing ink, preparation method thereof and shading adhesive tape

Examples

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preparation example Construction

[0044] A preparation method of matte ink, characterized in that: comprising:

[0045] 92.8-98.8 parts of polyurethane modified acrylate resin, 0.5-3 parts of matting powder and 0.5-2 parts of wax powder are mixed and ground, then 0.5-2.2 parts of the first curing agent are added and mixed evenly to obtain matte ink.

[0046] It should be noted that the above polyurethane-modified acrylate resin is used as a film-forming substance, the matting powder is used to form a matte effect, the wax powder is used to improve the scratch resistance of the ink layer, and the first curing agent is used to carry out the film-forming substance. Cross-linking and curing to improve mechanical properties.

[0047] The consumption of above-mentioned polyurethane-modified acrylate resin can specifically be listed as 92.8 parts, 93.6 parts, 94.4 parts, 95 parts, 95.8 parts, 96.5 parts, 97.2 parts, 98 parts or 98.8 parts etc.; parts, 1 part, 1.5 parts, 2 parts, 2.5 parts or 3 parts, etc.; the amount ...

Embodiment 1

[0102] (1) After mixing 92.8 parts of polyurethane-modified acrylate resin, 0.5 part of diatomaceous earth and 0.5 part of polyethylene, grind for 5 hours with a sand mill at a speed of 500 r / min, and then add 0.5 part of 2,4-diisocyanate The trimer of cresyl acetate is uniformly dispersed, and then ethyl acetate is added to adjust the viscosity, so that the viscosity of the obtained matte ink is 60±10mPa.s.

[0103] (2) Take 0.098 parts of benzoyl peroxide and completely dissolve in 30 parts of toluene, then mix and stir evenly with 1 part of hydroxyethyl acrylate, 30 parts of isooctyl acrylate and 3 parts of methyl methacrylate to obtain a premixed single body; then the temperature inside the reaction kettle equipped with a condensing reflux device is first heated to 80°C by a water bath, the condensing reflux device is started to circulate the condensed water, and the stirring device of the reaction kettle is started, the stirring speed is adjusted to 150r / min, and 10 parts ...

Embodiment 2

[0108] (1) After mixing 93.6 parts of polyurethane modified acrylate resin, 1 part of kaolin and 1 part of polytetrafluoroethylene, use a sand mill with a speed of 800r / min to grind for 4 hours, and then add 1 part of hexamethylene diisocyanate The trimer of cresyl ester is uniformly dispersed, and toluene is added to adjust the viscosity, so that the viscosity of the ink obtained is 60±10mPa.s.

[0109] (2) Take 0.2 parts of benzoyl peroxide and completely dissolve in 36 parts of toluene, then mix and stir evenly with 2 parts of hydroxyethyl acrylate, 35 parts of butyl acrylate and 4 parts of methyl methacrylate to obtain a premixed single body; then the temperature in the reactor equipped with a condensing reflux device is first heated to 85°C by a water bath, the condensing reflux device is started to circulate the condensed water, and the stirring device of the reactor is started, the stirring speed is adjusted to 250r / min, and 9 parts of Put toluene into the reaction kett...

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Abstract

The invention discloses matte printing ink, a preparation method thereof and a shading adhesive tape. The preparation method of the matte printing ink includes: grinding 92.8-98.8 parts of polyurethane modified acrylate resin, 0.5-3 parts of matting powder and 0.5-2 parts of wax powder after being mixed, adding 0.5-2.2 parts of first curing agent, and well mixing to obtain the matte printing ink.The matte printing ink is obtained by grinding the polyurethane modified acrylate resin, the matting powder and the wax powder after being mixed and adding the first curing agent. The matte printing ink is used for the shading adhesive tape of a liquid crystal display screen and has good matte effect, excellent fingerprint-resistant performance and good anti-scratching performance.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display materials, in particular to a matte ink, a preparation method thereof, and a light-shielding adhesive tape. Background technique [0002] The LCD screen uses the light-emitting tube behind the screen as a backlight source to supply sufficient brightness and evenly distributed flat light source for the screen, so that the screen can display images normally. Among them, the uniformity and brightness of light emission are very important for the LCD screen. parameters. If the place where the backlight is combined with the LCD panel is not well shielded, it will easily leak light, which will affect the contrast and brightness of the LCD screen. In order to prevent light leakage, it is usually necessary to use a light-shielding tape to fix the joint between the LCD screen and the backlight to prevent light leakage. When the light-shielding tape is used, it is usually folded in half along...

Claims

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Application Information

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IPC IPC(8): C09D11/107C09D11/03C09J7/25C09J7/38
CPCC09D11/03C09D11/107C09J2433/00C09J2467/006C09J7/25C09J7/385
Inventor 喻光辉李国烜王薇
Owner 新丰杰力电工材料有限公司
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