Water-based printing ink and application thereof

A printing ink and water-based technology, applied in the field of environmentally friendly printing inks, can solve the problems that pigments are difficult to exist evenly for a long time, and the drying speed is not as good as that of oil-based inks, and achieves the effects of fast drying speed, high adhesion and good printability

Inactive Publication Date: 2013-07-03
魏龙亮
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this kind of ink is non-toxic and harmless, it is difficult for the pigment to exist in the ink system uniformly for a long time
[0003] On the other hand, using water-based ink to

Method used

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  • Water-based printing ink and application thereof

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Embodiment Construction

[0030] A feature of the present invention is to introduce high acid value acrylic resin amination liquid into the ink system. The high acid value acrylic resin amination solution used in the present invention is obtained by amination of high acid value acrylic resin. The high acid value here refers to the range of 140-280mgKOH / g, preferably 180-260mgKOH / g, more preferably 200-240mgKOH / g, most preferably 215-225mgKOH / g. If the acid value is too low, the resin will Poor water solubility after amination; if the acid value is too high, the coating will have poor water resistance after film formation. The average molecular weight of acrylic resin is suitable between 5000-12000. If the molecular weight is too low, the viscosity of the resin amination solution will be too low, which will cause dry film stickiness; if it is too high, the viscosity of the resin amination solution will be too high, which is not conducive to the dispersion of pigment paste . Among them, the range of 70...

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Abstract

The invention discloses environment-friendly water-based printing ink suitable for cigarette filter printing. The printing ink takes water as a main solvent and has innocuity, and no peculiar smell; and the adhesive force, the drying property and the water resistance of the printing ink can meet the printing and product requirement. The preparation raw material components comprise: a high acid value acrylic resin amination liquid (A), which is a water-soluble resin liquid made from high acid value acrylic resin through amination, wherein the high acid value is in the range of 140-280 mg KOH/g, preferably in the range of 180-260 mg KOH/g, and most preferably in the range of 215-225 mg KOH/g, and an acrylate copolymer emulsion used as an film forming agent. In a typical embodiment, the raw material components comprises the high acid value acrylic resin amination liquid (A), the acrylate copolymer emulsion (B and C), nontoxic and harmless inorganic and organic pigment (D), superfine light calcium carbonate used as a filling material, water used as a main solvent, small amount of alcohol solvent and functional additives. The printing ink prepared is suitable for intaglio printing, and has the characteristics of environmental friendliness, high drying speed, resistance to wet friction, high adhesive force, good printability and the like.

Description

technical field [0001] The invention provides an environment-friendly printing ink suitable for printing cigarette filters, in particular a gravure printing ink capable of printing tipping paper on a rotary gravure printing machine. The ink is non-toxic, non-odor, adhesion and drying speed can also meet printing requirements. Background technique [0002] The current cigarette packaging printing industry mostly uses alcohol-soluble gravure printing inks, which use a large amount of alcohols and acetate solvents, especially the tipping paper used for filters, and the alcohols and esters used in inks have relatively large residues The amount will have a certain impact on the health of long-term smokers. The tobacco industry generally expects a new type of environmentally friendly ink that uses water as the main solvent and whose printing performance meets the requirements. However, when water-based inks are used, it is difficult to achieve long-term stability of the added in...

Claims

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Application Information

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IPC IPC(8): C09D11/10C09D11/107
Inventor 魏龙亮凌云星魏贤民
Owner 魏龙亮
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