Color-variable printing ink and preparation method thereof

A technology of color-changing ink and cholesteryl oleyl carbonate, which can be used in inks, household utensils, applications, etc., and can solve the problem that the effect is not as good as that of pigments

Inactive Publication Date: 2015-08-05
SUZHOU XIANGYUAN SPEICAL FINE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dye is formulated into a solution when it is used, and it is colored i

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Dissolve 60 parts of cholesteryl nonanoate, 30 parts of cholesteryl oleyl carbonate, and 10 parts of cholesteryl benzoate in chloroform, add ethyl cellulose as the inner wall material, and use gelatin and gum arabic as the outer wall coating Materials, the liquid crystal composition is microencapsulated by the coagulation method, and the obtained slurry is filtered, centrifuged, and dried to obtain the microcapsule slurry;

[0015] Add 50 parts of microcapsule slurry to 40 parts of acrylate emulsion with a solid content of 40%, then add 0.8 parts of C8 aliphatic polyoxyethylene ether and 3 parts of microcrystalline wax, mix and stir for 30 minutes with a stirrer, and then add 0.25 304 parts of emulsified silicone oil, 5 parts of isopropanol, and 1 part of polyacrylamide, stirred slowly for 10 minutes, and after standing still, the product was obtained.

Embodiment 2

[0017] Dissolve 60 parts of cholesteryl nonanoate, 30 parts of cholesteryl oleyl carbonate, and 10 parts of cholesteryl benzoate in chloroform, add ethyl cellulose as the inner wall material, and use gelatin and gum arabic as the outer wall coating Materials, the liquid crystal composition is microencapsulated by the coagulation method, and the obtained slurry is filtered, centrifuged, and dried to obtain the microcapsule slurry;

[0018] Add 50 parts of microcapsule slurry to 40 parts of acrylate emulsion with a solid content of 40%, then add 0.8 parts of C8 aliphatic polyoxyethylene ether and 3 parts of microcrystalline wax, mix and stir for 35 minutes with a stirrer, and then add 0.25 304 parts of emulsified silicone oil, 5 parts of isopropanol, and 1 part of polyacrylamide, stirred slowly for 15 minutes, and after standing still, the product was obtained.

Embodiment 3

[0020] Dissolve 60 parts of cholesteryl nonanoate, 30 parts of cholesteryl oleyl carbonate, and 10 parts of cholesteryl benzoate in chloroform, add ethyl cellulose as the inner wall material, and use gelatin and gum arabic as the outer wall coating Materials, the liquid crystal composition is microencapsulated by the coagulation method, and the obtained slurry is filtered, centrifuged, and dried to obtain the microcapsule slurry;

[0021] Add 50 parts of microcapsule slurry to 40 parts of acrylate emulsion with a solid content of 40%, then add 0.8 parts of C8 aliphatic polyoxyethylene ether and 3 parts of microcrystalline wax, mix and stir for 40 minutes with a stirrer, and then add 0.25 304 parts of emulsified silicone oil, 5 parts of isopropanol, 1 part of polyacrylamide, stirred slowly for 20 minutes, and after standing still, the product was obtained.

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PUM

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Abstract

The invention discloses color-variable printing ink capable of changing colors at different temperatures. The color-variable printing ink comprises cholesteryl nonanoate, C8 aliphatic polyoxyethylene ether, cholesteryl oleylcarbonate, cholesteryl benzoate, acrylate emulsion, 304 silicone emulsion, ethyecellulose, chloroform, isopropanol, gelatin, microcrystalline wax, Arabic gum and polyacrylamide. The printing ink prepared according to the invention can have the following five colors in total within a temperature range of 37 DEG C to 40 DEG C, namely, transparent, reddish orange, green, cyan and purple.

Description

technical field [0001] The invention belongs to the field of fine chemicals, and in particular relates to a color-changing ink and a preparation method thereof. Background technique [0002] Ink is an important material for printing. It expresses patterns and characters on the substrate through printing. The ink includes main components and auxiliary components, which are uniformly mixed and rolled repeatedly to form a viscous colloidal fluid. It is composed of linking material (resin), pigment, filler, auxiliary agent and solvent, etc. It is used for various printing of books, magazines, packaging and decoration, architectural decoration and electronic circuit boards. With the increase of social demand, the variety and output of ink have also expanded and increased accordingly. [0003] The main components of the ink are: colorants, binders and auxiliary components. The colorants mainly play a role in color development, including pigments and dyes. Pigments are divided i...

Claims

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Application Information

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IPC IPC(8): C09D11/03C09D11/107
CPCC09D11/50C09D11/03C09D11/107
Inventor 周建颜玉荣
Owner SUZHOU XIANGYUAN SPEICAL FINE CHEM
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