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Environment-friendly aqueous silkscreen scraping ink and preparation method thereof

A water-based, silk-screen technology, used in inks, household appliances, applications, etc., can solve problems such as affecting the health of the body and polluting the environment with toxic volatile gases, achieving good printing stability, trouble-free printing, and good film formation Effect

Active Publication Date: 2015-04-08
深圳市深赛尔股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used screen printing scraping ink basically uses a solvent-based system. A large amount of toxic and volatile gases in the ink seriously pollute the environment. At the same time, a large amount of harmful substances in the ink also affect people's health.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Preparation of pre-prepared resin liquid: In a certain volume of agitable open tank, first add 94.7 parts of 60°C water, then add 5 parts of cellulose resin while stirring, and disperse for 15 minutes with a disc stirring blade at 1000rpm / min; then cool down to Below 30°C, add 0.3 parts of preservative while stirring, and disperse for 10 minutes to obtain a pre-prepared resin solution for later use.

[0028] Mixing, dispersion and tempering: Put 25 parts of pre-prepared resin liquid into the open cylinder, and then put in 20 parts of water-based polyurethane resin, 14.5 parts of inorganic filler, 30 parts of water-based color paste, 5 parts of water-based anti-scratch agent, 0.1 part Water-based defoamer, 5 parts of water-based wetting and leveling agent, dispersed for 8-15 minutes with a disc-type stirring paddle at 1500rpm / min, then adjusted the pH value between 8-9 with 0.4% diethanolamine, and finally checked the viscosity of the output, If the color and appearance ...

Embodiment 2

[0036] Preparation of pre-prepared resin liquid: In a certain volume of agitable open tank, first add 59.9 parts of 60°C water, 5 parts of ethanol, and 5 parts of propylene glycol, and disperse for 5 minutes with a disc-type stirring paddle at 500 rpm / min; add cellulose while stirring 30 parts of resin were dispersed at 800rpm / min for 15 minutes; then the temperature was lowered to below 30°C, 0.1 part of preservative was added while stirring, and dispersed for 10 minutes to obtain a pre-prepared resin solution for later use.

[0037] Mixing, dispersing and tempering: put 70 parts of pre-prepared resin liquid into the open cylinder, and then put in 5 parts of water-based polyurethane resin, 13.6 parts of inorganic filler, 10 parts of water-based color paste, 0.1 part of water-based anti-scratch agent, 0.2 parts Water-based defoamer, 1 part of water-based wetting and leveling agent, disperse for 15 minutes with a disc stirring paddle at 800rpm / min, then use 0.1% diethanolamine t...

Embodiment 3

[0045] Preparation of pre-prepared resin liquid: In a certain volume of agitable open tank, first add 84.95 parts of 60°C water, 2 parts of ethanol, and 3 parts of glycerin, and disperse for 3 minutes with a disc-type stirring paddle at 500 rpm / min; put in while stirring 10 parts of cellulose resin, dispersed at 800rpm / min for 15 minutes; then lower the temperature to below 30°C, add 0.05 parts of preservative while stirring, and disperse for 10 minutes to obtain a pre-prepared resin solution for later use.

[0046] Mixing, dispersing and tempering: put 60 parts of pre-prepared resin liquid into the open cylinder, and then put in 10 parts of water-based polyurethane resin, 12 parts of inorganic filler, 10 parts of water-based color paste, 3 parts of water-based anti-scratch agent, 1 part of Water-based defoaming agent, 3 parts of water-based wetting and leveling agent, disperse for 8-15 minutes with a disc stirring paddle at 800rpm / min, then use 1% diethanolamine to adjust the ...

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PUM

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Abstract

The invention discloses an environment-friendly aqueous silkscreen scraping ink and a preparation method thereof. The ink comprises the following components in parts by weight: 25-70 parts of prepared liquid resin, 5-20 parts of waterborne polyurethane resin, 10-35 parts of an inorganic filler, 5-30 parts of a water-based color paste, 0.1-2 parts of a water-based defoamer, 1-5 parts of a water-based leveling wetting agent, 0.1-5 parts of a water-based anti-activity agent and 0.1-2 parts of a pH regulator. The ink is of a water-soluble system, is environment-friendly, nontoxic and pollution-free, does not discharge harmful gases, is good in printing performance and flat in surface, cannot have phenomena of shrinkage cavities, burrs, black heads and the like, is good in printing stability and fault-free after long-time printing, is easy to scrape and peel, is good in film forming property and cannot be pulverized.

Description

technical field [0001] The invention relates to the technical field of raw materials in the printing industry, in particular to an environment-friendly water-based silk screen scraping ink and a preparation method thereof. Background technique [0002] Scratching ink is a kind of ink used for printing materials such as prize tickets, invoices, children's learning, entertainment, and intellectual development small albums. Scratch ink is in direct contact with the human body, so environmental protection is very important. At present, the commonly used screen printing scraping ink basically adopts solvent-based system. A large amount of toxic and volatile gases in the ink seriously pollute the environment. At the same time, a large amount of harmful substance residues in the ink also affect people's health. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an environmentally friendly water-based screen printing scrap...

Claims

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Application Information

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IPC IPC(8): C09D11/102C09D11/14C09D11/03
CPCC09D11/03C09D11/102C09D11/14
Inventor 梁素静
Owner 深圳市深赛尔股份有限公司