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Water-based gravure composite ink for plastic film and preparation method thereof

A plastic film and gravure technology, which is applied in the field of water-based gravure plastic film composite ink and its preparation, can solve the problems affecting the promotion and popularization of water-based gravure ink, long drying time of water-based gravure ink, and poor wettability of film surface, etc. Solve the problem of VOC emission, good ink leveling and wettability

Active Publication Date: 2017-04-26
CHENGDU PRESSTER NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Although water-based gravure inks have been widely used on paper for many years, it has always been difficult to obtain perfect printing results on plastic films
This is mainly because the surface free energy of the plastic film is much lower than that of water, resulting in poor wettability and low adhesion of the water-based ink on the film surface.
In addition, water-based gravure inks take a long time to dry, and are lower than solvent-based gravure inks in terms of printing speed, gloss and color vividness, which also affects the promotion and popularization of water-based gravure inks in the flexible packaging industry.

Method used

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  • Water-based gravure composite ink for plastic film and preparation method thereof
  • Water-based gravure composite ink for plastic film and preparation method thereof
  • Water-based gravure composite ink for plastic film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] In this example, the polyurethane resin solution was purchased from Anhui Anda Huatai New Material Co., Ltd., the acrylic resin was purchased from Shanghai Hengyao Chemical Co., Ltd., the ternary vinyl chloride resin was purchased from Foshan Gaoming Tongde Chemical Co., Ltd. The reagents were purchased from Dongguan Bocheng Chemical Co., Ltd.

[0021] A water-based gravure plastic film composite ink consists of the following raw materials:

[0022] 40 parts by weight of polyurethane resin, 25 parts by weight of acrylic resin, 5 parts by weight of ternary vinyl chloride resin, 16 parts by weight of monoazo primary yellow pigment, 0.3 parts by weight of dispersant, 1.0 parts by weight of anti-settling agent, 0.6 parts by weight of wear-resistant agent , 0.5 parts by weight of an adhesion promoter, 0.1 parts by weight of a leveling agent and 0.2 parts by weight of a defoamer; 8 parts by weight of deionized water, and 3.3 parts by weight of 95% ethanol.

[0023] Mix the a...

Embodiment 2

[0027] A water-based gravure plastic film composite ink consists of the following raw materials:

[0028] 35 parts by weight of polyurethane resin, 30 parts by weight of acrylic resin, 10 parts by weight of ternary vinyl chloride resin, 16 parts by weight of monoazo primary color yellow pigment, 0.3 parts by weight of gas dispersant, 1.0 parts by weight of anti-settling agent, 0.6 parts by weight of wear-resistant agent 0.5 parts by weight of adhesion promoter, 0.1 parts by weight of leveling agent and 0.2 parts by weight of defoamer; 8 parts by weight of deionized water, 3.3 parts by weight of 95% ethanol;

[0029] The preparation method was the same as in Example 1 to obtain "Product B".

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Abstract

The invention discloses water-based gravure composite ink for plastic film and belongs to the field of inks. The water-based gravure composite ink for plastic film is made from, by weight, 65-75% of combined resin, 8-15% of a combined solvent, 14-24% of a pigment, and 2-4% of an aid, wherein the combined resin is from water-based polyurethane resin, modified acrylic resin and three-component hydroxyl-modified vinyl resin copolymer; the combined solvent is from water and ethanol; the ink of the invention has good film surface wetting property, high adhesive power, high composite strength, good ink leveling property, and adaptive to printer speed of 80-280 m / min; the ink of the invention is free of toxic benzene substances or ester and ketone substances and is environment-friendly, and the VOCs (volatile organic compounds) emission problem is effectively solved; in addition, the ink of the invention has high ignition point, is uninflammable, and is convenient to transport and store.

Description

technical field [0001] The invention relates to the technical field of inks, in particular to a water-based gravure plastic film composite ink and a preparation method thereof. Background technique [0002] Although water-based gravure inks have been widely used on paper for many years, it has always been difficult to achieve perfect printing results on plastic films. This is mainly because the surface free energy of the plastic film is much lower than that of water, resulting in poor wettability and low adhesion of the water-based ink on the film surface. In addition, water-based gravure inks take a long time to dry, and are lower than solvent-based gravure inks in terms of printing speed, gloss and color vividness, which also affects the promotion and popularization of water-based gravure inks in the flexible packaging industry. Contents of the invention [0003] The object of the present invention is to provide a kind of water-based gravure plastic film composite ink, ...

Claims

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Application Information

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IPC IPC(8): C09D11/102C09D11/107C09D11/106C09D11/033C09D11/03
CPCC09D11/03C09D11/033C09D11/102C09D11/106C09D11/107
Inventor 史险峰何静
Owner CHENGDU PRESSTER NEW MATERIALS
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