Water-in-water multicolor paint preparation method capable of high-speed slicing and granulation and paint prepared by method

A technology of colorful coatings and water-in-water, which is applied in the field of functional coatings for architectural decoration. It can solve the problems of affecting production progress, low spraying efficiency, and low mechanical strength, and achieve the goals of saving construction costs, improving work efficiency, and excellent mechanical strength and toughness. Effect

Active Publication Date: 2017-05-31
SHENZHEN GRANDLAND ENVIRONMENTAL COATING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, water-in-water multi-color coatings are not resistant to high-speed shearing due to the limitation of their formula system and process steps. Under high-speed shearing, the stability of the system will be destroyed, resulting in bleeding. In severe cases, the system will turn into paste and be completely scrapped.
In the prior art, water-in-water colorful paint slice granulation methods mostly adopt low-speed screen granulation, or disc granulation with a controlled rotating speed below 400 rpm, so that when very small particles (such as sesame grains) are needed, only Gradual granulation can be adopted, the granulation time is long, the energy consumption is high, which seriously affects the production progress, and the degree of simulation is difficult to guarantee
At present, the mechanical strength of the water-in-water multi-color paint produced by the existing formula system and preparation technology is low, and only 1.5-3.5kg / cm can be used. 3 If the air pressure is too high (4~5kg / cm2) to spray, the spraying efficiency is low. 3 ) will turn into a paste with no marbling effect

Method used

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  • Water-in-water multicolor paint preparation method capable of high-speed slicing and granulation and paint prepared by method
  • Water-in-water multicolor paint preparation method capable of high-speed slicing and granulation and paint prepared by method
  • Water-in-water multicolor paint preparation method capable of high-speed slicing and granulation and paint prepared by method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] As shown in Table 1, the weight required for each step in Example 1 takes each component, and the preparation method follows the steps below:

[0056] Step 1: Prepare 8% protective glue

[0057] Add 92kg of deionized water in the pre-dissolved cylinder, start stirring, then slowly add 8kg of nano-modified magnesium lithium silicate sodium mineral salt of GRAS B under stirring, and then rotate at 600 rpm Disperse at low temperature for 60 minutes until the dispersion is complete, and let it stand for 24 hours for later use to obtain 8% protective glue.

[0058] Step 2: Prepare the base paint

[0059] Add 49.5 kg of deionized water into the production tank, add 1.0 kg of hydroxyethyl cellulose of the type 250HBR of Aqualon Company under stirring at 400 rpm, and continue to disperse for 30 minutes until the dispersion is complete. Add successively 0.1kg of pH regulator BS168 from WACKER, 0.25kg of BYK024 defoamer from BYK, 0.3kg of hydrophobically modified anionic surfac...

Embodiment 2

[0067] As shown in Table 1, the weight required for each step in Example 2 takes each component, and the preparation method follows the steps below:

[0068] Step 1: Prepare 8% protective glue

[0069] Add 92kg of deionized water in the pre-dissolved cylinder, start stirring, then slowly add 8kg of nano-modified magnesium silicate lithium sodium mineral salts of GRAS B under stirring, and then at 300 rpm Disperse at low temperature for 70 minutes until the dispersion is complete, and let it stand for 24 hours for later use to obtain 8% protective glue.

[0070] Step 2: Prepare the base paint

[0071] Add 50.15 kg of deionized water into the production tank, and add 1.1 kg of hydroxyethyl cellulose of the type 250HBR of Aqualon Company under stirring at 300 rpm, and continue to disperse for 40 minutes until the dispersion is complete. Add 0.15kg of pH regulator BS168 from WACKER, 0.3kg BYK024 defoamer from BYK, 0.5kg DC803 hydrophobically modified anionic surfactant from Fosh...

Embodiment 3

[0079] As shown in Table 1, the weight required for each step in Example 3 takes each component, and the preparation method follows the steps below:

[0080] Step 1: Prepare 8% protective glue

[0081] Add 92kg of deionized water in the pre-dissolved cylinder, start stirring, then slowly add 8kg of nano-modified magnesium silicate lithium sodium mineral salt of GRAS B under stirring, and then at 500 rpm Disperse at low temperature for 60 minutes until the dispersion is complete, and let it stand for 24 hours for later use to obtain 8% protective glue.

[0082] Step 2: Prepare the base paint

[0083]Add 48.8 kg of deionized water into the production tank, add 1.2 kg of hydroxyethyl cellulose of the type 250HBR of Aqualon Company under stirring at 300 rpm, and continue to disperse for 40 minutes until the dispersion is complete. Add 0.2kg of pH regulator BS168 from WACKER, 0.4kg of BYK024 defoamer from BYK, 0.6kg of DC803 hydrophobically modified anionic surfactant from Foshan...

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Abstract

The invention discloses a water-in-water multicolor paint preparation method capable of high-speed slicing and granulation. The preparation process comprises the following steps: preparing an 8% protective glue solution; 2. preparing a basic paint; 3. preparing a basic color paint; 4. preparing a multicolor particle solution; and 5. preparing the water-in-water multicolor paint finished product. After the color matching is carried out on the basic paint, the 8% protective glue solution is utilized to perform system reinforcement; and in the granulation and slicing process, the 8% protective glue solution and a hydrophobic modified anionic surfactant are premixed, so that the negative-valence ions in the anionic surfactant sufficiently capture cations on the nano modified magnesium lithium sodium silicate mineral salt molecule surface to form a series of strict film structures, thereby eliminating the risk of rejection caused by color bleeding, fusion and thickening since colored particles can not be completely coated in time. Thus, the obtained water-in-water multicolor paint has the advantages of excellent mechanical strength, excellent toughness and high spraying efficiency. The invention also discloses a composition of the water-in-water multicolor paint.

Description

technical field [0001] The invention relates to a functional coating for architectural decoration, in particular to a preparation method and coating for a water-in-water multicolor coating capable of high-speed slicing and granulation. Background technique [0002] Among modern architectural wall decoration materials, marble has always occupied an important position in high-end wall decoration because of its durability, stain resistance, natural color, natural texture, and brilliant colors. [0003] However, natural marble is limited by mineral deposits, and excessive mining of marble mines will cause serious soil erosion and environmental pollution. In severe cases, it will affect the geological structure of the mining site, causing geological disasters such as landslides, mudslides, and subsidence. Local government departments strictly control its mining volume. , leading to high marble prices. Due to the large weight of marble, when decorating marble on the wall, it is u...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D5/29C09D7/12
CPCC08K2201/011C08K2201/014C08L2205/035C09D5/29C09D7/61C09D7/62C09D7/63C09D7/65C09D133/04C08L43/04C08L1/284C08K13/06C08K3/34C08K5/053C08K3/346
Inventor 徐新祥胡基如王红梅吴勇唐义桥
Owner SHENZHEN GRANDLAND ENVIRONMENTAL COATING CO LTD
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