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Waterborne coating and preparation method thereof

A technology of water-based paint and water-based additives, applied in the direction of coating, etc., can solve the problems of increased design cost, complicated production process operation, and dispersed and coagulated particles of paint, so as to achieve the effect of improving fineness and simple process manufacturing

Inactive Publication Date: 2016-12-07
易耀忠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of the existing water-based coatings are mainly that the production process is complicated, and the uneven dispersion of the coatings is likely to cause coagulation particles, which makes the fineness exceed the standard, and it is easy to block the screen during filtration, requiring repeated screen replacement, and the benefits are damaged, which greatly increases the design cost.

Method used

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  • Waterborne coating and preparation method thereof
  • Waterborne coating and preparation method thereof
  • Waterborne coating and preparation method thereof

Examples

Experimental program
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preparation example Construction

[0020] Such as figure 1 as shown, figure 1 It is a schematic flow sheet of the preparation method of the water-based paint of the present invention. The method includes the following steps:

[0021] Step S101: Provide 40-60 parts of water-based resin, 2-5 parts of water-based additive and 20-30 parts of filler.

[0022] Step S102: Stir the water-based resin, water-based additives and fillers with a stirrer at a first predetermined speed for a first predetermined time to form a semi-finished water-based paint with a certain viscosity.

[0023] Wherein, the first predetermined rotation speed is 9000-15000 r / min (rotation / minute), and the first predetermined time range is 15-35 minutes. It should be understood that the agitator is a 32 kW vertical double agitator, and its rotation speed is 0 to 1470 r / min.

[0024] Wherein, the above step S101 and step S102 are the first-stage process, and the technical effect achieved by it is shown in the embodiment of the following table: ...

Embodiment 1

[0029] The semi-finished water-based paint in the first stage has poor fineness and unsatisfactory dispersion effect.

Embodiment 2

[0031] The semi-finished water-based paint in the first stage has better fineness and ideal dispersion effect.

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Abstract

The invention discloses a preparation method of a waterborne coating. The preparation method comprises the steps that 40-60 parts of waterborne resin, 2-5 parts of a waterborne auxiliary and 20-30 parts of filler are provided; the waterborne resin, the waterborne auxiliary and the filler are stirred for a first preset time through a stirrer at a first preset rotating speed to form a semi-finished waterborne coating with the certain viscosity; the semi-finished waterborne coating is filtered; 2-8 parts of deionized water and 10-15 parts of color paste are added into the semi-finished waterborne coating, the materials are stirred for a second preset time through the stirrer at a second preset rotating speed, and 2-5 parts of a thickening agent is added in the stirring process to form the waterborne coating. In this way, the preparation method of the waterborne coating is simple in process and manufacture, the fineness of the waterborne coating is standard, and the design cost can be effectively reduced.

Description

technical field [0001] The invention relates to the spraying technology industry, in particular to a water-based paint and a preparation method thereof. Background technique [0002] Oil-based coatings are widely used in various fields, especially in the processing and manufacturing industry. From the surface, this is an exciting thing. However, oil-based paints emit harmful gases and pollute the environment. Therefore, water-based paints have replaced oil-based paints in developed countries. The audio industry is a big user of coatings, for example, speakers, speaker nets, speakers and other parts made of metal, wood and other materials. [0003] The most practical in the audio industry is wooden speaker coatings, and the wooden speaker coating series are generally water-based coatings. The disadvantages of the existing water-based coatings are mainly that the production process is complicated, and the uneven dispersion of the coatings is likely to cause coagulated parti...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D7/12
CPCC09D125/14C08K3/30C08K5/06C08K2003/3045
Inventor 易耀忠
Owner 易耀忠