A kind of aqueous silver ink and preparation method thereof

A water-based, silver ink technology, used in inks, household appliances, applications, etc., can solve the problems of silver ink inflation, precipitation and agglomeration, slow drying in deep printing, poor water wettability of silver paste, etc. Stability and quality, the effect of improving stability

Active Publication Date: 2020-09-11
CHANGDE JINPENG PRINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the object of the present invention is to propose a water-based silver ink and a preparation method thereof. Water is selected as a solvent, there is no VOC emission in the production and use process, there are few harmful substances on the surface of the printed matter, the operating environment is safe, and the production is guaranteed. Healthy personnel and low production costs; and by adding defoamers, wetting agents, wear-resistant agents and other additives into the water-based silver formula, it effectively solves the problem of poor water wettability of silver paste and silver ink swelling, precipitation and agglomeration Phenomenon, slow drying of deep plate printing, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A water-based silver ink, in parts by mass, comprising the following components: 30 parts of silver paste, 42 parts of water-based binder, 5 parts of wear-resistant agent, 2 parts of wetting agent, 1 part of defoamer, 10 parts of alcohol and 10 parts of water.

[0035] The preparation method of water-based silver ink is as follows:

[0036] a. In a clean room with a temperature of 25°C and a humidity of 50%, mix the wetting agent, alcohol and water evenly to form a mixed solvent;

[0037] b. soak the silver paste for 120min with the mixed solvent prepared in step a;

[0038] c. Add water-based binder to the soaked silver paste prepared in step b, stir, add defoamer and anti-wear agent respectively during the stirring process, and obtain water-based silver ink after stirring. Wherein, the stirring speed is 800r / min, and the stirring time is 60min.

[0039] Detect the hue of the water-based silver ink obtained, the solid content is 50%, the viscosity at 25°C is 80 seco...

Embodiment 2

[0043] A water-based silver ink, in parts by mass, comprising the following components: 25 parts of silver paste, 35 parts of water-based binder, 4 parts of wear-resistant agent, 1.5 parts of wetting agent, 0.5 part of defoamer, 17 parts of alcohol and 17 parts of water.

[0044] The preparation method of water-based silver ink is as follows:

[0045] a. In a clean room with a temperature of 25°C and a humidity of 50%, mix the wetting agent, alcohol and water evenly to form a mixed solvent;

[0046] b. soak the silver paste for 120min with the mixed solvent prepared in step a;

[0047] c. Add water-based binder to the soaked silver paste prepared in step b, stir, add defoamer and anti-wear agent respectively during the stirring process, and obtain water-based silver ink after stirring. Wherein, the stirring speed is 1000r / min, and the stirring time is 40min.

[0048] Detect the hue of the prepared water-based silver ink, the solid content is 40%, the viscosity at 25°C is 40...

Embodiment 3

[0052] A water-based silver ink, in parts by mass, comprising the following components: 20 parts of silver paste, 38 parts of water-based binder, 0.5 part of wear-resistant agent, 0.2 part of wetting agent, 0.2 part of defoamer, 20 parts of alcohol and 20 parts of water.

[0053] The preparation method of water-based silver ink is as follows:

[0054] a. In a clean room with a temperature of 25°C and a humidity of 60%, mix the wetting agent, alcohol and water evenly to form a mixed solvent;

[0055] b. soak the silver paste for 120min with the mixed solvent prepared in step a;

[0056] c. Add water-based binder to the soaked silver paste prepared in step b, stir, add defoamer and anti-wear agent respectively during the stirring process, and obtain water-based silver ink after stirring. Wherein, the stirring speed is 900r / min, and the stirring time is 50min.

[0057] Detect the hue of the water-based silver ink obtained, the solid content is 33%, the viscosity at 25°C is 60 ...

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Abstract

The invention discloses a water-based silver ink and a preparation method thereof, belonging to the technical field of polymer composition and its preparation. The water-based silver ink includes the following components in parts by mass: 10-30 parts of silver paste, 30-50 parts of water-based binder, 0.5-5 parts of anti-wear agent, 0.2-2 parts of wetting agent, defoamer 0.2-1 part, 10-20 parts alcohol, 10-20 parts water. The water-based silver ink uses water as a solvent, there is no VOC emission during production and use, there are few harmful substances on the surface of the printed matter, the operating environment is safe, the health of production personnel is guaranteed, and the production cost is low; and through the water-based silver formula Adding antifoaming agent, wetting agent and anti-wear agent and other additives, effectively solve the problems of poor water wettability of silver paste, silver ink swelling, precipitation and agglomeration, and slow drying of deep plate printing.

Description

technical field [0001] The invention relates to the technical field of polymer composition and its preparation, in particular to a water-based silver ink and its preparation method. Background technique [0002] At present, the metal ink used in the printing industry mostly uses organic solvents, and there are many disadvantages: a. When using organic solvents, volatile organic solvents (i.e. VOC) are discharged in the production and use process, the operating environment is seriously polluted, and the safety is poor, and Serious threat to the health of production personnel; b. Metallic inks using organic solvents have many harmful substances on the surface of printed matter, which poses a great safety hazard; c. Metallic inks using organic solvents, due to the volatility of organic solvents, in order to ensure the safety of inks Viscosity stability requires the addition of a large amount of organic solvents, resulting in high production costs. [0003] Water-based silver i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/037C09D11/107C09D11/03C09D11/033
CPCC09D11/03C09D11/033C09D11/037C09D11/107
Inventor 徐军杨建江王重声陈继东李新建刘麒
Owner CHANGDE JINPENG PRINTING
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