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Environmental-protective ink with methyl-carbonate and dimethyl sulfoxide as mixed solvent

A technology of dimethyl sulfoxide and dimethyl carbonate, applied in the field of printing ink, to achieve the effects of wide application, strong adhesion, chemical resistance and good stability

Inactive Publication Date: 2009-11-11
云南凯乐弗印务材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are still many new uses under development or about to be developed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1. Each raw material is weighed according to the following weight ratio:

[0027] The weight ratio of DMC and DMSO is 45 parts of mixed solvent of 1:0.25, 20 parts of rosin modified alkyd resin, 5 parts of alcohol-soluble modified aldehyde and ketone resin, 3 parts of water-soluble alkyd resin, 10 parts of ethanol as cosolvent , 8 parts of permanent red as pigment. The product of this embodiment is made after dissolution, wet dispersion, grinding and preparation.

[0028] Carry out the color test according to GB-1462.1-1993 to the product of this embodiment, carry out tinting power test according to GB-1462.2-1993, carry out stability test according to GB-567-1983, each technical index is not lower than or even higher than the original printing Ethyl acetate gravure printing ink for Hongmei cigarettes and Gonghe Xinxi cigarette labels. The gas chromatographic analysis data and final inspection results of the Yunnan Provincial Institute of Analysis and Testing...

Embodiment 2

[0029] Example 2. Each raw material is weighed according to the following weight ratio:

[0030] The weight ratio of DMC and DMSO is 50 parts of mixed solvent of 1:0.27, 15 parts of rosin modified alkyd resin, 10 parts of alcohol-soluble modified aldehyde and ketone resin, 5 parts of water-soluble alkyd resin, 5 parts of ethanol as cosolvent , 20 parts of bronze powder (refining) as pigment, 3 parts of wax as auxiliary agent. The product of this embodiment is made after dissolution, wet dispersion, grinding and preparation.

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Abstract

An environmental-protective printing ink with methyl-carbonate and dimethyl sulfoxide as mixed solvent in proportion of 1:0.20-0.30 is harmless. The printing ink consists of mixed solvent 35-55 proportion, resin 15-40 proportion, latent solvent alcohol 1-15 proportion, rosin modified resin 10-20 proportion, alcohol soluble modified aldehyde ketone resin 5-10 proportion soluble alkyd resin 1-5 proportion and pigment 10-15 proportion. It has excellent adaptability and has no harm to human body.

Description

technical field [0001] The invention belongs to the technical field of printing ink, and in particular relates to a solvent-type environment-friendly ink. Background technique [0002] Printing ink is a paste-like colloid formed by uniformly dispersing and mixing materials such as colorants and linking materials. The binder of solvent-based ink is composed of solid resin and a large amount of volatile organic solvent. After the solid resin is dissolved in the solvent, the coloring material is evenly dispersed in the linking material. After the ink is printed on the substrate, the solvent evaporates quickly and the conjunctiva is dried. The organic solvents in existing inks have different degrees of pollution and damage to environmental sanitation and personnel health, and there are often residual harmful substances in the dried ink layer, which cannot meet the requirements of food packaging and cigarette label printing. Ensuring environmental sanitation has become a major ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/00C09D11/02C09D11/033
Inventor 解传红
Owner 云南凯乐弗印务材料有限公司
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