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Blue neutral ink and preparation method thereof

A neutral ink, blue technology, applied in the field of ink, can solve the problems of poor rheological properties, short storage time, short capping time, etc., and achieve the effect of good mildew resistance, clear lines, and long capping time

Active Publication Date: 2014-07-02
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the neutral inks researched and manufactured in my country now have low thixotropy, poor rheological properties, and poor stability. All rely on imports to solve

Method used

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  • Blue neutral ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] a. Carbomer gel preparation

[0021] Dissolve 0.5 g of Carbomer 940 in deionized water to obtain 30 g of Carbomer aqueous dispersion, stir for 2 hours, and then let stand for 2 hours. Add 25g of 1,2-propylene glycol with a mass ratio of 5:4:1 to the carbomer dispersion under stirring, a mixture of 70% sorbitol and ethylene glycol ether, and then add 8g of 30% polyethylene glycol to the solution. Ethylene emulsion, 1g of maltose oligosaccharides, fully mixed at 40-45°C and then degassed, within 10min, add 1.2g of 30% sodium hydroxide to the solution while stirring to make the carbomer solution gel change;

[0022] b. Preparation of thickened thixotropic matrix

[0023] Mix 0.6g of benzotriazole with a mass ratio of 1:1, fungicide 253 (Shenzhen Haichuan Chemical Technology Co., Ltd.), 0.4gJS-349 (Qingdao Jiusheng Chemical Technology Co., Ltd.) and stir evenly; Add the solution to the above-mentioned carbomer gel and stir for 10 minutes, mix well and filter to obtain 60...

Embodiment 2

[0028] a. Carbomer gel preparation

[0029] Dissolve 0.4g of Carbomer 970 in deionized water to obtain 25g of Carbomer aqueous dispersion, stir for 2h, and then let stand for 2h. Adding 20g mass ratio to the carbomer dispersion under stirring is a mixture of ethylene glycol and diethylene glycol ether of 10:1, then add 2.3g of 30% polyethylene emulsion, 4g maltose and sucrose in this solution The polymerized oligosaccharides are fully mixed at 40-45°C and then degassed. Within 10 minutes, add 0.9 g of 30% ammonia water to the solution while stirring to gel the carbomer solution;

[0030] b. Preparation of thickened thixotropic matrix

[0031] Mix 0.5g of benzotriazole and ethyl p-hydroxybenzoate with a mass ratio of 1:1, and 0.3g of JS-5115 (Qingdao Jiusheng Chemical Technology Co., Ltd.) and stir evenly, and add the mixture to the above Stir in the carbomer gel for 10 minutes, mix well and filter to obtain 53g of thickened thixotropic matrix;

[0032] c. Neutral ink prepar...

Embodiment 3

[0036] a. Carbomer gel preparation

[0037] Dissolve 0.3g of Carbomer 2020 in deionized water to obtain 20g of Carbomer aqueous dispersion, stir for 2h, and then let stand for 2h. Adding 30g mass ratio of glycerol and diethylene glycol butyl ether to the carbomer dispersion under stirring is a mixture of 15:1, and then adding 5.6g of 30% oxidized polyethylene emulsion to the solution, 3g The oligosaccharides polymerized by maltose, sucrose and glucose are fully mixed at 40-45°C and then degassed. Within 10 minutes, add 0.6g of 30% diethanolamine to the solution while stirring to make the carbomer solution gel change;

[0038] b. Preparation of thickened thixotropic matrix

[0039] Mix 0.6g of a mixture of benzotriazole and ethyl p-hydroxybenzoate with a mass ratio of 1:1, and 0.2g of SE-47 (Shenzhen Haichuan Chemical Technology Co., Ltd.), and stir evenly, and add the mixture to the above Stir in the carbomer gel for 10 minutes, mix well and filter to obtain 60g of thicken...

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Abstract

The invention discloses a blue neutral ink and a preparation method thereof. The blue neutral ink is composed of a blue color paste, carbomer, a rheological modifier, a lower alcohol, an oligosaccharide, an antiseptic anti-mildew agent, a pH regulator, a defoamer and deionized water. The preparation method of the blue neutral ink comprises the following steps: preparing an aqueous solution of the carbomer, adding a wetting agent, the rheological modifier, the oligosaccharide and the pH regulator to the carbomer solution so as to obtain a carbomer gel, next, adding the antiseptic anti-mildew agent and the defoamer to the carbomer gel so as to obtain a thickened thixotropic matrix, and then adding the blue color paste to obtain the blue neutral ink. The blue neutral ink has the advantages that the components including the carbomer, a polysaccharide, the rheological modifier and a microencapsulated copper phthalocyanine color paste are reasonably matched with each other, the pigment is evenly dispersed without being agglomerated and flocculated, and the obtained neutral ink is good in stability, good in mildew prevention property, long in uncapping time, relatively high in thixotropy, smooth in writing and clear in lines.

Description

technical field [0001] The invention relates to a blue neutral ink and a preparation method thereof, belonging to the technical field of ink. Background technique [0002] As a writing instrument, the ballpoint pen transfers the ink in the ballpoint pen to the writing medium through the nib to complete the writing of handwriting and the like. A high-quality ballpoint pen requires that it should not drip ink or flow when writing or not, and has the advantages of uniform ink flow, uniform thickness of handwriting lines, appropriate color, good adhesion, and friction resistance when writing. Therefore, on the basis of oil-based ball-point pens and water-based ball-point pens, people combined the advantages of the two to develop a neutral ball-point pen, which not only has the writing lubricity of water-based ink, but also has good anti-dripping characteristics. Compared with traditional writing instruments, neutral ballpoint pens are obviously more in line with the requirement...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/18
Inventor 周雪琴刘东志李巍王小青
Owner TIANJIN UNIV