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Water-soluble environmentally-friendly gravure ink and preparation method thereof

A gravure ink, water-soluble technology, used in ink, household appliances, applications, etc., can solve the problems of limited water addition, no color ink, etc., and achieve the effect of good printability, good water resistance, and excellent friction resistance.

Active Publication Date: 2012-03-21
江苏云合新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with chlorinated polypropylene ink, alcohol-water type gravure ink is more environmentally friendly ink, but the ink also contains more VOC such as ethyl acetate. It is mainly used in paper printing and packaging. This ink does not contain toluene, butyl Ketone, the diluent can only use edible alcohol, the amount of water added is very limited, and currently only white ink is relatively mature, and there is no color ink available in the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1, a kind of water-soluble environment-friendly gravure printing ink, it is made by the raw material of following weight ratio:

[0034] Liquid water-soluble resin 5; Water-soluble pigment 5;

[0035] Water 5; Cosolvent 1;

[0036] Auxiliary 0.1;

[0037] Described liquid water-soluble resin is made by following method:

[0038] (1) Add 0.5% of its weight initiator to the monomer mixture, stir and dissolve to obtain a premixed monomer mixture; the monomer mixture is composed of (meth)acrylic acid or its esters, and vinyl monomers and allyl monomer, then add maleic anhydride or its derivatives, each monomer accounts for 25% by weight of the monomer mixture;

[0039] (2) Add 10% polymerization solvent and 0.1% initiator by weight of the monomer mixture into the polymerization kettle, heat to a stable reflux, slowly drop the premixed monomer mixture into the polymerization kettle, and control the reaction temperature to a stable reflux temperature After drop...

Embodiment 2

[0041] Embodiment 2, a kind of water-soluble environment-friendly gravure printing ink, it is made of the raw material of following weight ratio:

[0042] Liquid water-soluble resin 50; Water-soluble pigment 70;

[0043] Water 40; Co-solvent 5;

[0044] Auxiliary 25;

[0045]Described liquid water-soluble resin is made by following method:

[0046] (1) Add 2.5% of the initiator by weight to the monomer mixture, stir and dissolve to obtain a premixed monomer mixture; the monomer mixture consists of (meth)acrylic acid or its esters, and vinyl monomers Or allyl monomer, then add maleic anhydride or its derivatives, each monomer accounts for 1 / 3 of the weight of the monomer mixture;

[0047] (2) Add 50% polymerization solvent and 0.5% initiator by weight of the monomer mixture into the polymerization kettle, heat to a stable reflux, slowly drop the premixed monomer mixture into the polymerization kettle, and control the reaction temperature to a stable reflux temperature After...

Embodiment 3

[0049] Embodiment 3, a kind of water-soluble environment-friendly gravure printing ink, it is made by the raw material of following weight ratio:

[0050] Liquid water-soluble resin 20; Water-soluble pigment 30;

[0051] Water 25; Co-solvent 3;

[0052] Auxiliary 10;

[0053] Described liquid water-soluble resin is made by following method:

[0054] (1) Put an appropriate amount of alkaline solution and monomer mixture with a mass concentration of 10% into the purification tank for mixing and stirring, let it stand for stratification, release the lower alkaline water layer, add an appropriate amount of water into the purification tank, stir and wash with water, Stand for stratification, release the lower water layer to obtain a purified monomer mixture; add 1.5% of its weight initiator to the purified monomer mixture, stir and dissolve to obtain a premixed monomer mixture; the monomer The mixture is composed of (meth)acrylic acid or its esters, and vinyl monomers or allyl m...

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PUM

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Abstract

The invention discloses water-soluble environmentally-friendly gravure ink, which is characterized by being prepared from the following raw materials in percentage by weight: 5-50 percent of liquid water-soluble resin, 5-70 percent of water-soluble pigment, 5-40 percent of water, 1-5 percent of latent solvent and 0.1-25 percent of aid. The invention further discloses a preparation method of the water-soluble environmentally-friendly gravure ink. In the water-soluble environmentally-friendly gravure ink, tap water can be taken as a diluting agent, so that cost is saved for a printing enterprise; and the ink has high printing adaptability, high friction resistance, high waterproofness and high adhesion, is noncorrosive on an inking roller, and can be directly washed with water. When the water-soluble environmentally-friendly gravure ink is used for printing, tap water can be directly used for diluting, the product generality is relatively high, and the water-soluble environmentally-friendly gravure ink is mainly applied to printing processes of paper, plastic films, aluminum foils and the like.

Description

technical field [0001] The invention relates to an ink, in particular to a water-soluble environment-friendly gravure ink; the invention also relates to a preparation method of the water-soluble environment-friendly gravure ink. Background technique [0002] At this stage, about half of the gravure printing inks in my country are still chlorinated polypropylene. Chlorinated polypropylene contains a large amount of VOC such as toluene, methyl ethyl ketone, methyl isobutyl ketone, etc., but because of its low price, the market share is still very large. high. Traditional flexible packaging gravure printing mainly uses chlorinated polypropylene as the main resin with benzoketone solvent-based inks. Compared with chlorinated polypropylene ink, alcohol-water type gravure ink is more environmentally friendly ink, but the ink also contains more VOC such as ethyl acetate. It is mainly used in paper printing and packaging. This ink does not contain toluene, butyl Ketone, thinner ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/10C09D11/033C09D11/107
Inventor 周贤永
Owner 江苏云合新材料科技有限公司
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