Water-based pearlescent medium used for water-based printing ink of decorative paper and preparation method of medium

A decorative paper and printing ink technology, which is applied in the field of ink and ink, can solve the problems of affecting the printing pearlescent effect of finished decorative paper, high viscosity of printing ink, and inability to print on the machine smoothly, so as to achieve printing clarity, good compatibility, and guarantee The effect of pearlescent effect

Active Publication Date: 2019-11-15
昆山大世界油墨涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the dipping process at the back end of the above-mentioned decorative paper, that is: put the finished printed decorative paper into the glue tank to allow the glue to penetrate into the paper. The solid content is about 4-5%, and the resin cannot completely cover the pearlescent powder, so it will easily cause the pearlescent powder in the printing ink to dissolve back into the glue, which will seriously affect the printing pearlescent effect of the finished decorative paper; if in order to increase the coating The viscosity of pearl powder increases the amount of resin in the ink medium, for example, when it reaches 8-10%, it will cause the viscosity of the printing ink to be too high, and it cannot be printed on the machine smoothly.

Method used

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  • Water-based pearlescent medium used for water-based printing ink of decorative paper and preparation method of medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A water-based pearlescent medium used for water-based decorative paper printing ink, the raw material components are: 4% casein, 76% water, 1.7% caprolactam, 0.8% pH regulator, 14% water-based polyurethane resin, disinfectant Foam agent 1.8% and water-based preservative 1.7%.

[0026] The synthesis steps are as follows:

[0027] The first step: add water (mass percentage 16%), pH regulator, caprolactam and fresh milk grade casein into the mixing vessel in turn and stir, the stirring speed is 300rpm, and the stirring time is 20min to obtain a homogeneous mixture of the components I;

[0028] Step 2: Heat the above-mentioned stirring container so that the temperature inside the container rises to 60°C, and keep it within this temperature range for 60 minutes. During this process, continue stirring according to the above-mentioned stirring speed;

[0029] Step 3: Add water (60% by mass) into the stirring container, and start to cool down to 30°C at the same time, and con...

Embodiment 2

[0032] A water-based pearlescent medium used for water-based decorative paper printing ink. The raw material components are: 4.3% of casein, 80% of water, 1.0% of caprolactam, 1.0% of pH regulator, 12% of water-based polyurethane resin, disinfectant Foaming agent 0.5% and water-based preservative 1.2%.

[0033] The synthesis steps are as follows:

[0034] Step 1: Add water (20% by mass), pH adjuster, caprolactam and fresh milk grade casein into the mixing container in sequence and stir at a stirring speed of 400 rpm for 20 minutes to obtain a homogeneous mixture of the components I;

[0035] Step 2: Heat the above-mentioned stirring container so that the temperature in the container rises to 62°C, and keep it within this temperature range for 60 minutes. During this process, continue stirring according to the above-mentioned stirring speed;

[0036] Step 3: Add water (60% by mass) into the stirring container, and start to cool down to 28°C at the same time, and continue stir...

Embodiment 3

[0039] A water-based pearlescent medium used for water-based decorative paper printing ink, the raw material components are: 5.0% of casein, 73% of water, 2.0% of caprolactam, 1.0% of pH regulator, 15% of water-based polyurethane resin, disinfectant Foam agent 2% and water-based preservative 2%.

[0040] The synthesis steps are as follows:

[0041] Step 1: Add water (15% by mass), pH adjuster, caprolactam and fresh milk grade casein into the stirring vessel in sequence and stir at a stirring speed of 200 rpm for 20 minutes to obtain a homogeneous mixture of the components I;

[0042] Step 2: Heat the above-mentioned stirring container so that the temperature inside the container rises to 64°C, and keep it within this temperature range for 60 minutes. During this process, continue stirring according to the above-mentioned stirring speed;

[0043] Step 3: Add water (58% by mass) into the stirring container, and start to cool down to 25°C at the same time, and continue stirring...

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Abstract

The invention discloses a water-based pearlescent medium used for water-based printing ink of decorative paper. The water-based pearlescent medium used for the water-based printing ink of the decorative paper comprises the following components: 4-5% of casein, 73-80% of water, 1-2% of caprolactam, 0-1% of a pH adjuster, 10-15% of water-based polyurethane resin, 0.5-2% of an antifoaming agent, and0.5-2% of a water-based preservative, wherein a sum of the contents of each component is 100%, the casein adopts fresh milk grade casein, and the pH value of the above solution is 8.5-9.0. Through theabove manner, the medium provided by the invention can effectively solve above problems, and effectively protects pearl powder in the glue pouring process, the pearl powder does not easily fall off to be dissolved into glue, the viscosity of the printing ink is not increased, and the medium has obvious technical advantages.

Description

technical field [0001] The invention relates to the technical field of water-based ink, in particular to a water-based pearlescent medium used for water-based decorative paper printing ink and a preparation method thereof. Background technique [0002] Decorative paper, as a non-polluting, easy-to-recycle, environmentally friendly and multifunctional decorative material, is favored by more and more people. It can not only be used as a surface layer of furniture, but also can be used to decorate walls. [0003] During the production and preparation of decorative paper, various patterns can be printed on the surface according to the needs of users; considering that the pearlescent effect can further achieve a dazzling visual effect on decorative paper, people try to add pearlescent to the printing ink The decorative paper with pearlescent effect is obtained by using the material, that is, on the basis of the existing printing ink medium, adding pearlescent powder pigment and p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/102C09D11/04C09D11/037
CPCC09D11/102C09D11/04C09D11/037
Inventor 张良祥王严庆蔡佑杰郭智远郭立民
Owner 昆山大世界油墨涂料有限公司
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