Silk-screen printing ink

A technology of screen printing ink and weight ratio, applied in the direction of ink, household utensils, application, etc., can solve the problems of poor adhesion of screen printing ink, slow drying speed of screen printing ink, deinking, etc.

Inactive Publication Date: 2016-12-07
SUZHOU ANJIE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the drying speed of some existing silk screen printing inks is too slow, which often causes the phenomenon of smearing on the back and sticking pages during printing.
There are also some screen printing inks with poor adhesion, which are prone to uneven printing and deinking, which seriously affect the printing quality, and the surface tension of the ink is related to the transfer performance of the ink and the stability of printing on the printing surface. When the surface of the ink When the tension is greater than the surface tension of the printing surface, the imprint will shrink, and even small fish-eye holes will appear; if the surface tension of the printing surface

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] In the present embodiment, a screen printing ink includes the following materials in parts by weight: 15 parts of pigment, 25 parts of connecting material, 45 parts of solvent, 1 part of calcium carbonate, 1 part of defoamer, 1 part of leveling agent, 2 parts of 5A molecular sieve 1 part of fumed silica, 2 parts of dispersant, 0.5 part of adhesion promoter, 2 parts of colloidal oil, 1 part of slip agent, 1 part of barium sulfate, 1 part of hydrotalcite, and 1 part of light stabilizer.

[0019] The slip agent is polypropylene wax, and the linking material is a mixture of chlorinated polypropylene resin, polyurethane modified epoxy resin, polyketone resin and polyamide resin in a weight ratio of 2:1:1:1, and the solvent includes isopropanol , toluene, ether, butyl acetate and butanone and mixed according to the weight ratio of 2:3:1:2:1, the defoamer is polyether modified silicon, the leveling agent is polydimethylsiloxane and Fluorinated siloxane is mixed according to th...

Embodiment 2

[0021] In this embodiment, a screen printing ink includes the following materials in parts by weight: 20 parts of pigment, 32.5 parts of linking material, 57.5 parts of solvent, 2 parts of calcium carbonate, 2 parts of defoaming agent, 2 parts of leveling agent, 4.5 parts of 5A molecular sieve 2 parts, fumed silica 2 parts, dispersant 4.5 parts, adhesion promoter 1 part, colloidal oil 3.5 parts, slip agent 2 parts, barium sulfate 2.5 parts, hydrotalcite 2 parts, light stabilizer 2 parts.

[0022] The slip agent is polypropylene wax, and the linking material is a mixture of chlorinated polypropylene resin, polyurethane modified epoxy resin, polyketone resin and polyamide resin in a weight ratio of 2:1:1:1, and the solvent includes isopropanol , toluene, ether, butyl acetate and butanone and mixed according to the weight ratio of 2:3:1:2:1, the defoamer is polyether modified silicon, the leveling agent is polydimethylsiloxane and Fluorinated siloxane is mixed according to the we...

Embodiment 3

[0024] In this embodiment, a screen printing ink includes the following materials in parts by weight: 25 parts of pigment, 40 parts of connecting material, 70 parts of solvent, 3 parts of calcium carbonate, 3 parts of defoaming agent, 3 parts of leveling agent, 7 parts of 5A molecular sieve Parts, 3 parts of fumed silica, 7 parts of dispersant, 1.5 parts of adhesion promoter, 5 parts of colloidal oil, 3 parts of slip agent, 4 parts of barium sulfate, 3 parts of hydrotalcite, 3 parts of light stabilizer.

[0025] The slip agent is polypropylene wax, and the linking material is a mixture of chlorinated polypropylene resin, polyurethane modified epoxy resin, polyketone resin and polyamide resin in a weight ratio of 2:1:1:1, and the solvent includes isopropanol , toluene, ether, butyl acetate and butanone and mixed according to the weight ratio of 2:3:1:2:1, the defoamer is polyether modified silicon, the leveling agent is polydimethylsiloxane and Fluorinated siloxane is mixed acc...

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PUM

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Abstract

The invention discloses silk-screen printing ink. The silk-screen printing ink is prepared from, by weight, 15-25 parts of pigments, 25-40 parts of a binder, 45-70 parts of solvent, 1-3 parts of calcium carbonate, 1-3 parts of a defoaming agent, 1-3 parts of a leveling agent, 2-7 parts of a 5A molecular sieve, 1-3 parts of fumed silica, 2-7 parts of a dispersing agent, 0.5-1.5 parts of an adhesion promoter, 2-5 parts of gummy oil, 1-3 parts of a slipping agent, 1-4 parts of barium sulfate, 1-3 parts of hydrotalcite and 1-3 parts of a light stabilizer. According to the silk-screen printing ink, adhesion of ink can be enhanced, the ink penetration and ink fusion phenomena of the ink are prevented, the chemical stability is high, the storage time is long, the printing property is stable, the uvioresistant capacity and the antioxidant capacity are high, and wear resistance is achieved.

Description

technical field [0001] The invention relates to the technical field of inks, in particular to a screen printing ink. Background technique [0002] In 2010, the production of my country's ink industry reached the highest level in history. According to the statistics of "China's Ink Industry Production and Sales Demand and Investment Forecast Analysis Report", the total annual output of ink in the country totaled 589,900 tons, surpassing Germany and Japan for the first time to rank second in the world. Calculated based on the world's annual ink output of about 4.1 million tons in that year, China's ink production scale accounted for 14% of the world's total. Ink is an important material for printing packaging materials. It expresses patterns and characters on the substrate through printing. The ink includes main components and auxiliary components. They are evenly mixed and rolled repeatedly to form a viscous colloidal fluid. Screen printing ink refers to all the inks used in...

Claims

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Application Information

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IPC IPC(8): C09D11/108C09D11/102C09D11/03C09D11/033
CPCC09D11/108C09D11/03C09D11/033C09D11/102
Inventor 王春生贾志江李明
Owner SUZHOU ANJIE TECH
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