A self-dissipating ink and its preparation method

An ink, automatic technology, applied in the field of ink, can solve the problems of easy color fading, inability to automatically dissipate, poor ink adhesion, etc., to achieve the effect of simple process, promotion of reusability, and strong adhesion

Active Publication Date: 2021-10-26
东莞市唐德医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide an ink that can dissipate automatically, so as to solve the problems of poor adhesion, easy fading and inability to dissipate automatically in the existing ink

Method used

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  • A self-dissipating ink and its preparation method
  • A self-dissipating ink and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 19

[0044] Preparation of the first mixed solution step: Take 2kg of concentrated ammonia water and add it to 20kg of pure water, let it stand for 2 minutes at room temperature, then add 1kg of PEG (600), stir and mix it for 10 minutes at room temperature, then add 0.1kg of tributyl phosphate and 0.1kg of cyclic Dextrin, stirred and dispersed at 45°C for 0.5h to obtain the first mixed solution.

[0045] Preparation of the second mixed solution step: take 0.5kg of methanol and add it to 20kg of water, then add 1kg of K 2 SO 4 , 0.5kgCo(NO 3 ) 2 and 0.1kgK 2 CrO 4 , stirred at room temperature for 10 minutes, then added 10 kg of thymolphthalein, and stirred and dispersed at 45° C. for 10 minutes.

[0046] Preparation of the third mixed solution step: take 1 kg and add it to 40 kg of water, keep it warm at 45°C for 5 minutes, then add 5 kg of 3,3-bis(N-octyl-2-methylindole) phthalide, 65 Stir at ℃ for 40 minutes, then add 0.05kg of PVA resin and 0.05kg of PVB resin, stir and di...

Embodiment 20

[0049] Preparation of the first mixed solution step: Take 3kg of concentrated ammonia water and add it to 25kg of pure water, let it stand at room temperature for 3 minutes, then add 3kg of PEG (600), stir and mix at room temperature for 18 minutes, then add 0.3kg of tributyl phosphate and 0.3kg of cyclohexanol to it Dextrin, stirred and dispersed at 58°C for 1 hour to obtain the first mixed solution.

[0050] Preparation of the second mixed solution step: get 2kg of methanol and add it to 25kg of water, then add 2kg of K 2 SO 4 , 0.6kgCo(NO 3 ) 2 and 0.3kgK 2 CrO 4 , stirred at room temperature for 20 minutes, then added 15kg of thymolphthalein, stirred and dispersed at 50°C for 20 minutes.

[0051] Preparation of the third mixed solution step: take 2kg and add it to 50kg of water, keep it warm at 55°C for 5 minutes, then add 7kg of 3,3-bis(N-octyl-2-methylindole)phthalide, 70 Stir at ℃ for 60 minutes, then add 0.25kg of PVA resin and 0.25kg of PVB resin, stir and dispe...

Embodiment 21

[0054] Preparation of the first mixed solution step: Take 5kg of concentrated ammonia water and add it to 30kg of water, let stand at room temperature for 5 minutes, then add 5kg of PEG (600), stir and mix at room temperature for 30 minutes, then add 0.5kg of tributyl phosphate and 0.4kg of cyclopaste Refined, stirred and dispersed at 65°C for 1.5h to obtain the first mixed solution.

[0055] Preparation of the second mixed solution step: take 1.5kg of methanol and add it to 30kg of water, then add 3kg of K 2 SO 4 , 0.8kgCo(NO 3 ) 2 and 0.5kgK 2 CrO 4 , stirred at room temperature for 30 minutes, then added 20 kg of thymolphthalein, stirred and dispersed at 55° C. for 30 minutes.

[0056] Preparation of the third mixed solution step: take 3kg of glycerin and add it to 60kg of water, keep it warm at 65°C for 5 minutes, then add 10kg of 3,3-bis(N-octyl-2-methylindole)phthalide to it, Stir at 80°C for 80min, then add 0.5kg of PVA resin and 0.5kg of PVB resin, stir and dispe...

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Abstract

The invention discloses an ink that can dissipate automatically. The composition includes 2-5 parts of lye, 10-20 parts of phenolphthalein, 1-3 parts of glycerin, 0.5-2 parts of methanol, 3,3-bis (N-octyl-2-methylindole) phthalide 5-10 parts, PEG600 1-5 parts, K 2 SO 4 1 to 3 parts, Co(NO 3 ) 2 0.5~0.8 parts, K 2 CrO 4 0.1-0.5 parts, 0.1-1 parts of film-forming agent, 0.1-0.5 parts of defoamer, 0.1-0.4 parts of cyclodextrin and 80-120 parts of water. The invention also discloses a preparation method of the self-dissipating ink. The self-dissipating ink of the present invention has strong adhesion, uniform ink output, non-diffusion, and can adhere to substrates such as paper, fiber, and plastic; meanwhile, the ink can quickly fade under sunlight, which promotes the adhesion of substrates. Reusable and more environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of ink, in particular to an ink that can dissipate automatically and a preparation method thereof. Background technique [0002] Ink is a liquid that contains pigments or dyes and is used for writing, drawing or marking. Common inks include red ink, blue ink, yellow ink, green ink, black ink, etc., with colorful colors and various types. Among them, inks of various colors will have different ink components as the color changes and the color depth changes. [0003] However, the existing inks have insufficient adhesion. For example, common digitally printed train tickets often lose color during use due to the poor adhesion of the ink stains, and the ink stains also pollute the hands and clothing of users. In addition, there is another defect in common ink, that is, the ink cannot be dissipated, which affects the reuse of marking paper or cloth. Contents of the invention [0004] In order to overcome the d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/03
CPCC09D11/03
Inventor 李向党
Owner 东莞市唐德医疗科技有限公司
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