High-temperature-resistant protective ink and preparation method thereof

A technology for protecting ink and high temperature resistance, applied in the field of ink printing, can solve problems such as dirt and defects, increase production costs, affect glass appearance, processing efficiency and product yield, and achieve smoothness, easy cleaning, and less polishing requirements Effect

Inactive Publication Date: 2020-09-22
东莞市铂华光电材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the hot bending process, the glass is in a softened state, and impurities in the air are easy to adhere to the glass surface to form dirt and flaws, which affect the appearance of the glass, processing efficiency, product yield, and increase production costs.

Method used

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  • High-temperature-resistant protective ink and preparation method thereof
  • High-temperature-resistant protective ink and preparation method thereof
  • High-temperature-resistant protective ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] In this embodiment, a high temperature resistant protective ink comprises the following raw materials in parts by weight: 38 parts of component A, 5 parts of silicon dioxide, 30 parts of calcium sulfate crystals, 2 parts of rutile titanium, 10 parts of PTFE, 13 parts of talcum powder, 1 part of leveling agent, 1 part of defoamer;

[0034] Each part of component A includes the following raw materials in parts by weight: 46 parts of modified acrylic resin, 24 parts of deionized water, 11 parts of absolute ethanol, 5 parts of butyl glycol ether, 0.4 part of organic acid, and 0.5 part of emulsifier , 4 parts of hydrogen peroxide.

[0035] Further, the leveling agent is composed of polyether-modified polysiloxane and polymethylphenylsiloxane in a mass ratio of 1:1.5. The polyether modified polysiloxane is preferably but not limited to BYK-333 leveling agent from Germany.

[0036] Further, the defoamer is composed of polydimethylsiloxane, fluorinated silicone oil and octylp...

Embodiment 2

[0051] In this embodiment, a high temperature resistant protective ink includes the following raw materials in parts by weight: 36 parts of component A, 4 parts of silicon dioxide, 28 parts of calcium sulfate crystals, 1.6 parts of rutile titanium, 8 parts of PTFE, and 11 parts of talcum powder , 0.7 parts of leveling agent, 1.3 parts of defoamer;

[0052] Each part of component A includes the following raw materials in parts by weight: 44 parts of modified acrylic resin, 22 parts of deionized water, 10 parts of absolute ethanol, 4 parts of butyl glycol ether, 0.2 part of organic acid, and 0.2 part of emulsifier , 1 part hydrogen peroxide.

[0053] Further, the leveling agent is composed of polyether-modified polysiloxane and polymethylphenylsiloxane in a mass ratio of 1:0.8.

[0054] Further, the defoamer is composed of polydimethylsiloxane, fluorinated silicone oil and octylphenol polyoxyethylene ether in a weight ratio of 1:1:0.5. The organic acid is composed of cinnamic ...

Embodiment 3

[0067] In this embodiment, a high temperature resistant protective ink includes the following raw materials in parts by weight: 40 parts of component A, 6 parts of silicon dioxide, 32 parts of calcium sulfate crystals, 2.4 parts of rutile titanium, 12 parts of PTFE, and 15 parts of talcum powder , 1.2 parts of leveling agent, 0.7 parts of defoamer;

[0068] Each part of component A includes the following raw materials in parts by weight: 48 parts of modified acrylic resin, 26 parts of deionized water, 12 parts of absolute ethanol, 6 parts of butyl glycol ether, 0.7 part of organic acid, and 0.8 part of emulsifier , 5 parts of hydrogen peroxide.

[0069]Further, the leveling agent is composed of polyether-modified polysiloxane and polymethylphenylsiloxane in a mass ratio of 1:2. The polyether modified polysiloxane is preferably but not limited to BYK-333 leveling agent from Germany.

[0070] Further, the defoamer is composed of polydimethylsiloxane, fluorinated silicone oil a...

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Abstract

The invention relates to the technical field of ink printing, in particular to high-temperature-resistant protective ink and a preparation method and application thereof. The protective ink is prepared from the following raw materials: 36 to 40 parts of a component A, 4 to 6 parts of silicon dioxide, 28 to 32 parts of calcium sulfate crystals, 1.6 to 2.4 parts of rutile titanium, 8 to 12 parts ofPTFE, 11 to 15 parts of talcum powder, 0.7 to 1.2 parts of a leveling agent and 0.7 to 1.3 parts of an antifoaming agent. The prepared protective ink is coated on the surface of glass to be subjectedto hot bending forming, can effectively protect the molten state of the glass in the high-temperature process, can play a role in buffering, reduces mold marks formed by extrusion of a mold on the glass, reduces scratches formed by exposure of the glass, and effectively improves the product processing yield. The protective ink is excellent in high-temperature resistance, can be removed by adoptinga cleaning agent or water, solves the problem that the traditional protective glue is not resistant to high temperature, is easy to peel off, has no residue and no frame, and can improve the productyield and reduce the cost.

Description

technical field [0001] The invention relates to the technical field of ink printing, in particular to a high-temperature-resistant protective ink and its preparation method and application. Background technique [0002] With the development of society and the advancement of technology, curved glass products are increasingly playing a more important role in production activities and people's lives, and have been widely used in the protection of smart phones, tablet computers, wearable devices, dashboards and other products cover plate. [0003] At present, the preparation process of curved glass cover usually includes steps such as glass cutting, glass hot bending, glass polishing and glass strengthening. Glass bending is one of the key processes in the preparation of curved glass cover plates. Glass hot bending is to place the glass with carved shape and holes in the mold, and then put the mold into the hot bending machine. After preheating, pressing, cooling and other p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/10C09D11/102C09D11/106C09D11/03
CPCC09D11/10C09D11/102C09D11/106C09D11/03
Inventor 肖庆洲
Owner 东莞市铂华光电材料有限公司
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