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High-temperature-resistant ink composition, preparation method and application method

An ink composition and high temperature resistant ink technology are applied in the field of ink to achieve the effects of improving adhesion, good adhesion and high temperature resistance

Active Publication Date: 2020-07-03
DRA JET PRINT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Inks are widely used in industrial products and consumer products. In some applications, inks need to have better high temperature resistance after curing. For example, in some occasions, inks are required to be sprayed directly on iron parts at 300 ° C, and then cured at 800 ~ 900 ° C. ℃After a certain period of time, the content of inkjet can still be clearly displayed, but the high temperature resistance of the current ink still needs to be improved

Method used

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  • High-temperature-resistant ink composition, preparation method and application method
  • High-temperature-resistant ink composition, preparation method and application method
  • High-temperature-resistant ink composition, preparation method and application method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] According to the formula: 20 parts of polyester modified methyl phenyl silicone resin, 0.5 parts of hydrogen heptaphenyl cage octapolysilsesquioxane, 15 parts of titanium dioxide, 0.5 parts of polymer dispersant, 0.5 parts of gas phase method Silicon dioxide, 0.4 parts of silicone defoamer, 1.5 parts of 3-glycidyloxypropyltrimethoxysilane, 10 parts of n-butanol and 25 parts of dipropylene glycol monomethyl ether, prepare raw materials.

[0029] Mix the titanium dioxide and the polyester-modified methylphenyl silicone resin evenly and grind them until the particle size does not exceed 1000nm to obtain a mixed material;

[0030] The above-mentioned mixed material, hydrogen-based heptaphenyl cage octapolysilsesquioxane, silicone defoamer, fumed silica, 3-glycidyl ether oxypropyltrimethoxysilane were dropped into n-butanol and In the organic solvent that dipropylene glycol monomethyl ether forms, stir to obtain ink slurry;

[0031] Send the above ink slurry into a high-she...

Embodiment 2

[0033] According to the formula: 50 parts of polyester modified methyl phenyl silicone resin, 1 part of octahydrocage octasilsesquioxane, 2 parts of hydrogen heptaphenyl cage octasilsesquioxane, 35 parts Titanium dioxide, 2 parts of polymeric dispersant, 1 part of organic bentonite, 0.8 parts of silicone defoamer, 5 parts of 3-aminopropyltrimethoxysilane, 35 parts of butyl acetate and 35 parts of propylene glycol monomethyl ether, prepared raw material.

[0034] Mix the titanium dioxide and the polyester-modified methylphenyl silicone resin evenly and grind them until the particle size does not exceed 1000nm to obtain a mixed material;

[0035] The above mixed material, octahydrocage octasilsesquioxane, hydrogen heptaphenyl cage octasilsesquioxane, silicone defoamer, organic bentonite, 3-aminopropyltrimethoxy The silane is sequentially dropped into an organic solvent composed of butyl acetate and propylene glycol monomethyl ether, and stirred evenly to obtain an ink slurry; ...

Embodiment 3

[0038] According to the formula: 30 parts of polyester modified methyl phenyl silicone resin, 0.3 parts of octahydrocage octasilsesquioxane, 1.2 parts of hydrogen heptamethyl cage octasilsesquioxane, 25 parts Titanium dioxide, 1 part of polymer dispersant, 0.8 part of polyamide wax, 0.5 part of silicone defoamer, 2 parts of 3-glycidyl etheroxypropyl trimethoxysilane and 50 parts of propylene glycol monomethyl ether, prepare raw materials.

[0039] Mix the titanium dioxide and the polyester-modified methylphenyl silicone resin evenly and grind them until the particle size does not exceed 1000nm to obtain a mixed material;

[0040] The above mixed material, octahydrocage octasilsesquioxane, hydrogen heptamethyl cage octasilsesquioxane, silicone defoamer, polyamide wax, 3-glycidyl ether oxypropylene Trimethoxysilane is dropped into propylene glycol monomethyl ether successively, and the ink slurry is obtained by stirring evenly;

[0041] The above-mentioned ink slurry was fed in...

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Abstract

The invention belongs to the technical field of ink, and specifically relates to a high-temperature-resistant ink composition, a preparation method and an application method. The ink composition comprises, in parts by weight, 20 to 50 parts of polyester modified methyl phenyl silicone resin, 0.5 to 3 parts of hydrogen-containing polyhedral oligomeric silsesquioxane, 15 to 35 parts of titanium dioxide, 0.5 to 2 parts of a dispersant, 0.5 to 1 part of an anti-settling agent, 0.3 to 0.8 part of an antifoaming agent, 1 to 5 parts of an adhesion promoter and 35 to 70 parts of an organic solvent. The high-temperature-resistant ink composition disclosed by the invention has good high-temperature resistance after being cured; a spraying mark is still clear and visible after the high-temperature-resistant ink composition is sprayed onto a steel piece or an iron piece and is cured at 900 DEG C for 5 hours or 1000 DEG C for 2 hours; meanwhile, the adhesive force of the high-temperature-resistantink composition is good.

Description

technical field [0001] The invention belongs to the technical field of ink, and relates to a high-temperature-resistant ink composition, a preparation method and an application method. Background technique [0002] Inks are widely used in industrial products and consumer products. In some applications, inks need to have better high temperature resistance after curing. For example, in some occasions, inks are required to be sprayed directly on iron parts at 300 ° C, and then cured at 800 ~ 900 ° C. ℃ After a certain period of time, the content of the inkjet can still be clearly displayed, but the high temperature resistance of the current ink still needs to be improved. Contents of the invention [0003] An object of the present invention is to overcome the defects of the prior art and provide a high temperature resistant ink composition. [0004] Another object of the present invention is to provide a method for preparing a high temperature resistant ink composition. [...

Claims

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Application Information

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IPC IPC(8): C09D11/30
CPCC09D11/30
Inventor 赵宇晗
Owner DRA JET PRINT TECH
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