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Thermoplastic colorless and transparent glass protection ink and preparation method thereof

A technology for protecting ink and transparent glass, applied in ink, household appliances, applications, etc., can solve the problems of affecting light transmittance, easy yellowing of colorless and transparent ink, easy to scratch and resistant to CNC process, etc., and achieve alkali fading time. short effect

Inactive Publication Date: 2016-08-03
广州亦盛环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above two inventions cannot be made into colorless and transparent inks and are prone to yellowing after curing, which affects the light transmittance and may be easily scratched due to insufficient UV energy in the production process due to low hardness, CNC process resistance, and water resistance. The occurrence of protective failures, etc.

Method used

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  • Thermoplastic colorless and transparent glass protection ink and preparation method thereof
  • Thermoplastic colorless and transparent glass protection ink and preparation method thereof
  • Thermoplastic colorless and transparent glass protection ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] (1) Preparation of resin semi-finished products

[0041]Thermoplastic acrylic resin 50 parts

[0042] 20 parts of diethylene glycol monoethyl ether acetate (boiling point 217°C)

[0043] 30 parts of diethylene glycol monobutyl ether acetate (boiling point 246°C)

[0044] Among them, the thermoplastic acrylic resin is colorless and transparent particles, with a weight average molecular weight of 18500, an acid value of 205 mg KOH / g, a solid content of >99.8%, a tg point of 128°C, and a softening point of 172°C;

[0045] Just disperse and dissolve through a stirring disperser;

[0046] (2) Preparation of protective ink

[0047]

[0048] Stir and disperse with a stirring disperser for about 20 minutes, and wait for the ink to disperse evenly;

[0049] The performance test result of printing ink that present embodiment makes is as follows:

[0050] Viscosity: 200~250dpa·s25℃

[0051] Adhesion 5B

[0052] Hardness 4H~7H

[0053] Resistance to cutting fluid polishi...

Embodiment 2

[0057] (1) Preparation of resin semi-finished products

[0058] Thermoplastic acrylic resin 70 parts

[0059] 30 parts of methyl nylon acid (boiling point 195°C)

[0060] Among them, the thermoplastic acrylic resin is colorless and transparent particles, with a weight average molecular weight of 10500, an acid value of 100 mg·KOH / g, a solid content of >99.8%, a tg point of 117°C, and a softening point of 160°C;

[0061] Just disperse and dissolve through a stirring disperser;

[0062] (2) Preparation of protective ink

[0063]

[0064] Stir and disperse with a stirring disperser for about 20 minutes, and wait for the ink to disperse evenly;

[0065] The performance test result of printing ink that present embodiment makes is as follows:

[0066] Viscosity: 200~250dpa·s25℃

[0067] Adhesion 5B

[0068] Hardness 4H~7H

[0069] Resistance to cutting fluid polishing fluid > 2h

[0070] Water resistance>2h

[0071] Alkali fade time <60s40℃.

Embodiment 3

[0073] (1) Preparation of resin semi-finished products

[0074] Thermoplastic acrylic resin 50 parts

[0075] 20 parts of diethylene glycol monoethyl ether acetate

[0076] 30 parts of diethylene glycol monobutyl ether acetate

[0077] Among them, the thermoplastic acrylic resin is colorless and transparent particles, with a weight average molecular weight of 30,000, an acid value of 185 mg·KOH / g, a solid content of >99.8%, a tg point of 78°C, and a softening point of 140°C;

[0078] Just disperse and dissolve through a stirring disperser;

[0079] (2) Preparation of protective ink

[0080]

[0081] Stir and disperse with a stirring disperser for about 30 minutes, and wait for the ink to disperse evenly;

[0082] The performance test result of printing ink that present embodiment makes is as follows:

[0083] Viscosity: 200~250dpa·s25℃

[0084] Adhesion 5B

[0085] Hardness 4H~7H

[0086] Resistance to cutting fluid polishing fluid > 2h

[0087] Water resistance>2h...

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Abstract

Thermoplastic colorless and transparent glass protection ink is prepared from, by weight, 30-60 parts of thermoplastic acrylic resin, 30-65 parts of high boiling point solvent, 0.5-3 parts of antifoaming agent, 0.2-1.5 parts of flatting agent and 0.2-1.5 parts of coupling agent .The ink is formed by mixing and stirring the thermoplastic acrylic resin, the high boiling point solvent, the antifoaming agent, the flatting agent and the coupling agent .The ink is completely colorless and transparent, capable of being dried fast, high in hardness and good in CNC resisting technology, adapts to printing of silk screens of 200-350 mesh, and is mainly applied to the fields of protection of glass needing high light transmittance and the like.

Description

technical field [0001] The invention belongs to the field of glass protective inks, in particular to a thermoplastic colorless transparent glass protective ink and a preparation method thereof. Background technique [0002] As a high-strength, scratch-resistant glass, glass is widely used in high-end smartphones, tablet computers, flat-screen TVs, and industrial and commercial touch screens. In the field of glass processing, the glass surface will be scratched during special processing such as cutting, edging, and polishing, resulting in a defective product rate as high as 99%. At the same time, the damaged glass will also increase the subsequent polishing and flat grinding process, thereby increasing the production cost. [0003] In order to solve the above technical problems, a variety of protective inks have been developed on the market. These protective inks are mainly printed on the surface of the glass by silk screen printing to form a protective film, which is remove...

Claims

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Application Information

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IPC IPC(8): C09D11/107C09D11/033C09D11/03
CPCC09D11/107C09D11/03C09D11/033
Inventor 敖玉银包亚群吴江洪
Owner 广州亦盛环保科技有限公司
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