A kind of water-based ink and preparation method thereof

A technology of water-based ink and water-based polyurethane, which is applied in inks, household utensils, applications, etc., can solve problems such as complex process, poor emulsion stability, and high cross-linking density, and achieve easy-to-obtain raw materials, strong adhesion, and low cost. Effect

Active Publication Date: 2022-04-22
广州亦盛环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] CN103980461 discloses a preparation method of a hydrolysis-resistant water-based polyurethane dispersion, which is cross-linked and modified by synthesizing a polyurethane prepolymer, and then adding an end-capping agent 1-aminopropyl-2-methylimidazole for emulsification, and the obtained water-based Polyurethane has good water resistance, but this method tends to cause excessive crosslinking density, high molecular weight, difficulty in emulsification, and poor emulsion stability in the prepolymer stage.
[0004] CN103910851 discloses a preparation method of water-based polyurethane binder, the binder prepared by the method has good adhesion fastness to plastic film, and has good water resistance and retort resistance, excellent comprehensive performance, but the method Multi-batch feeding, complex process

Method used

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  • A kind of water-based ink and preparation method thereof
  • A kind of water-based ink and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0071] This embodiment provides a water-based ink and a preparation method thereof.

[0072] The water-based ink comprises the following components in parts by weight: 30 parts of aliphatic polycarbonate-type water-based polyurethane emulsion, 30 parts of aliphatic polyester-type water-based polyurethane emulsion, 1 part of Solsperse 27000 dispersant, 10 parts of carbon black, 20 parts of barium sulfate 10 parts of talcum powder, 0.5 parts of BYK-3565 leveling agent, 0.5 parts of AMP-95pH stabilizer, 0.1 part of KATHON LXE fungicide, 1.5 parts of BYK-015 defoamer and 20 parts of water, among which, aliphatic polycarbonate The mass ratio of the ester type water-based polyurethane emulsion and the aliphatic polyester type water-based polyurethane emulsion is 1:1.

[0073] The preparation method is:

[0074] First, pre-mix aliphatic polycarbonate-type water-based polyurethane emulsion, aliphatic polyester-type water-based polyurethane emulsion, Solsperse 27000 dispersant, carbon...

Embodiment 2

[0076] This embodiment provides a water-based ink and a preparation method thereof.

[0077] The water-based ink comprises the following components in parts by weight: 40 parts of aliphatic polycarbonate-type water-based polyurethane emulsion, 30 parts of aliphatic polyester-type water-based polyurethane emulsion, 2 parts of Solsperse 27000 dispersant, 5 parts of carbon black, 15 parts of barium sulfate 10 parts of talcum powder, 0.1 parts of BYK-3565 leveling agent, 0.1 part of AMP-95pH stabilizer, 0.4 parts of KATHON LXE fungicide, 1 part of BYK-015 defoamer and 20 parts of water, among which, aliphatic polycarbonate The mass ratio of ester type water-based polyurethane emulsion and aliphatic polyester type water-based polyurethane emulsion is 1.33:1.

[0078] The preparation method is:

[0079] First, pre-mix aliphatic polycarbonate-type water-based polyurethane emulsion, aliphatic polyester-type water-based polyurethane emulsion, Solsperse 27000 dispersant, carbon black, ...

Embodiment 3

[0081] This embodiment provides a water-based ink and a preparation method thereof.

[0082] The water-based ink comprises the following components in parts by weight: 20 parts of aliphatic polycarbonate-type water-based polyurethane emulsion, 40 parts of aliphatic polyester-type water-based polyurethane emulsion, 2 parts of Solsperse 27000 dispersant, 20 parts of ultramarine blue, 10 parts of barium sulfate 5 parts of talcum powder, 0.2 parts of BYK-3565 leveling agent, 1 part of AMP-95pH stabilizer, 0.4 parts of KATHON LXE fungicide, 3 parts of BYK-015 defoamer and 22 parts of water, of which aliphatic polycarbonate The mass ratio of the ester type water-based polyurethane emulsion and the aliphatic polyester type water-based polyurethane emulsion is 0.5:1.

[0083] The preparation method is:

[0084] First, pre-mix aliphatic polycarbonate-based water-based polyurethane emulsion, aliphatic polyester-based water-based polyurethane emulsion, Solsperse 27000 dispersant, ultram...

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Abstract

The present invention provides a kind of water-based ink and its preparation method and application, described water-based ink comprises following components: water-based polyurethane emulsion, dispersant, pigment and water; Described water-based polyurethane emulsion comprises aliphatic polycarbonate type water-based polyurethane emulsion And aliphatic polyester waterborne polyurethane emulsion. The water-based ink of the present invention is compounded by the above two kinds of water-based polyurethane emulsions, so that the formed ink layer has the advantages of high hardness, strong adhesion, high gloss and aliphatic polyester water-based polyurethane after film formation. Type water-based polyurethane has good flexibility. Secondly, it is matched with dispersant, pigment and water to make the prepared ink have a suitable viscosity and good dispersion stability. In addition, the water-based ink uses water as a dispersant, which is environmentally friendly , harmless to the human body, and also has the advantages of non-combustibility, easy-to-obtain raw materials, and low cost.

Description

technical field [0001] The invention relates to the field of fine chemicals, in particular to a water-based ink and a preparation method thereof. Background technique [0002] With the rapid development of my country's economy, the improvement of people's living standards, and the gradual improvement of people's awareness of environmental protection and health, the country has also proposed an environmental protection strategy for sustainable development. With the improvement of national environmental protection laws and regulations and the enhancement of people's environmental awareness, traditional solvent-based screen printing inks not only endanger the health of operators, but also cause serious pollution to the environment due to the emission of VOC (volatile organic gases). Therefore its use is more and more limited. China's printing has entered the era of environmental protection. As an upstart in environmentally friendly inks, the research and application of water-b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/102C09D11/033C09D11/03C09D11/104
CPCC09D11/102C09D11/033C09D11/03C09D11/104
Inventor 包亚群
Owner 广州亦盛环保科技有限公司
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