Water-based semitransparent film-forming emulsion and preparation method thereof

A film-forming emulsion and translucent technology, applied in the field of ink, can solve the problems of dull color, poor compatibility and poor water resistance, and achieve the effect of high solid content, stable performance and excellent performance

Inactive Publication Date: 2013-10-02
CHANGSHA SANCAI INK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing water-based inks have the following disadvantages: dull color, easy to decolorize; relatively high viscosity, slow drying speed; poor water resistance, poor compatibility

Method used

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  • Water-based semitransparent film-forming emulsion and preparation method thereof
  • Water-based semitransparent film-forming emulsion and preparation method thereof
  • Water-based semitransparent film-forming emulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The formula of water-based translucent film-forming emulsion is composed of the following ingredients in proportion (total weight: 200Kg):

[0030]

[0031] The preparation method of above-mentioned translucent film-forming emulsion is as follows:

[0032] a. Add the above-mentioned acrylic resin, ammonia water and 88.6Kg of water into the reaction kettle, heat to 85°C, stir until the acrylic resin is dissolved, and keep it warm for 2 hours to obtain the first solution. The pH value of the first solution is 8.8;

[0033] b. Add the above-mentioned styrene, butyl acrylate, and isooctyl acrylate into the monomer high-level tank, and mix to obtain the second solution; add 1.1Kg of ammonium persulfate and 2.8Kg of water into the catalyst tank, and mix to obtain the third solution ;

[0034] c. Add the above-mentioned emulsifier to the first solution, stir and mix to obtain the fourth solution;

[0035] d. Add the second solution and the third solution dropwise to the f...

Embodiment 2

[0041] The formula of water-based translucent film-forming emulsion is composed of the following ingredients in proportion (total weight: 200Kg):

[0042]

[0043] Wherein, the concentration of ammonia water is 20%; Acrylic resin is made up of J678 acrylic resin and J67 acrylic resin, and the weight ratio of J678 acrylic resin and J67 acrylic resin is 3.5:1, and J67 acrylic resin is produced by U.S. BASF Corporation; Emulsifier is The X-45 produced by Weiberg, Germany.

[0044] The preparation method of above-mentioned translucent film-forming emulsion is as follows:

[0045] a. Add the above-mentioned acrylic resin, ammonia water and 86.9Kg of water into the reaction kettle, heat to 85°C, stir until the acrylic resin dissolves, and keep it warm for 1 hour to obtain the first solution, the pH of the first solution is 8.7;

[0046] b. Add the above-mentioned styrene, butyl acrylate, and isooctyl acrylate into the high tank of the monomer, and mix to obtain the second soluti...

Embodiment 3

[0054] The formula of water-based translucent film-forming emulsion is composed of the following ingredients in proportion (total weight: 200Kg):

[0055]

[0056] Wherein, the concentration of ammonia water is 22%; acrylic resin is made up of J678 acrylic resin and J67 acrylic resin, and the weight ratio of J678 acrylic resin and J67 acrylic resin is 4:1, and J67 acrylic resin is produced by U.S. BASF; emulsifier is The X-45 produced by Weiberg, Germany.

[0057] The preparation method of above-mentioned translucent film-forming emulsion is as follows:

[0058]a. Add the above-mentioned acrylic resin, ammonia water and 97.3Kg of water into the reaction kettle, heat to 88°C, stir until the acrylic resin dissolves, and keep warm for 1.5h to obtain the first solution, the pH of the first solution is 8.4;

[0059] b. Add the above-mentioned styrene, butyl acrylate, and isooctyl acrylate into the monomer high-level tank, and mix to obtain the second solution; add 1.12Kg of amm...

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Abstract

The invention discloses a water-based semitransparent film-forming emulsion which comprises the following components in percentage by weight: 12%-15% of acrylic resin, 4%-5% of ammonia water, 10%-12% of styrene, 10%-12% of butyl acrylate, 9%-11% of iso-octyl acrylate, 1%-2% of emulsifying agents, 0.4%-0.6% of ammonium persulfate and 45%-52% of water. The preparation method of the water-based semitransparent film-forming emulsion comprises the processes of: mixing substances; heating; keeping temperature; cooling and the like. The prepared water-based semitransparent film-forming emulsion disclosed by the invention has the advantages of brightness in color and luster, low viscosity, fast drying, good water resistance and compatibility, and the like and meets the requirements of water-based ink, water-based paint and water-based varnishes on the aspects of rigidity, water resistance, luster, and the like.

Description

technical field [0001] The invention relates to the technical field of ink, in particular to an aqueous translucent film-forming emulsion and a preparation method thereof. Background technique [0002] In the existing ink production technology, the emulsions used in most inks are oily or solvent-based, and the printed matter produced contains a large amount of harmful gas, which is absorbed by the human body or discharged into the atmosphere, and there is still a large amount of solvent remaining on the printed matter. It complies with the international ROHS "Restriction on the Use of Certain Hazardous Components in Electrical and Electronic Equipment" control standards and REACH control standards and requirements. [0003] In view of the above technical problems, in the prior art, water-based emulsions have been developed to produce water-based printing inks. However, the existing water-based ink has the following disadvantages: dull color, easy to decolorize; relatively h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F265/00C08F212/08C08F220/18C08F2/24C09D11/02
Inventor 贺凯良
Owner CHANGSHA SANCAI INK
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