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Method for improving color stability of coating

A technology of stability and paint, applied in the direction of coating, etc., can solve the problems of low color stability and easy fading of paint, and achieve the effect of improving color stability

Inactive Publication Date: 2017-05-31
赖禄波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a method for improving the color stability of paints, which can solve the problems of low color stability and easy fading of existing paints

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1——the method for improving paint color stability

[0014] The raw materials required for coating preparation are: 200g of epoxy resin with a molecular weight of 200, 300g of epoxy resin with a molecular weight of 450, 150g of latex powder, 100g of cellulose ether, 300g of closed-cell perlite, 50g of ground calcium carbonate, and 40g of magnesium oxide , 80g bamboo charcoal fiber, 50g yellow pigment, 400g ethylene glycol, 10g silicone oil and 600g water.

[0015] Grind the above raw materials until the particle size distribution is as follows:

[0016] 50nm sieve: 0%;

[0017] 25nm sieve: 25%;

[0018] 10nm sieve: 10%;

[0019] 5nm mesh sieve residue: 80%.

[0020] The coating obtained in this embodiment is painted on the wall, and its yellow color stability is good after 3 years, which is basically consistent with the original situation, and the original yellow color is retained.

Embodiment 2

[0021] Embodiment 2——the method for improving the color stability of paint

[0022] The raw materials required for coating preparation are: 10kg of sucrose fatty acid ester, 15kg of maltodextrin, 7kg of diacetyl tartrate monoglyceride, 4kg of calcium carbonate, 8kg of red pigment, 2kg of calcium silicate, 4kg of propylene glycol, 1kg of sodium dihydrogen phosphate and benzene Sodium formate 6kg.

[0023] Grind the above raw materials until the particle size distribution is as follows:

[0024] 50nm sieve: 0%;

[0025] 25nm sieve: 5%;

[0026] 10nm sieve: 50%;

[0027] 5nm mesh sieve residue: 100%.

[0028] The coating obtained in this embodiment is painted on the wall, and its red color stability is good after 3 and a half years, which is basically consistent with the original situation and retains the original red color.

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PUM

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Abstract

The invention discloses a method for improving the color stability of a coating, and belongs to the technical field of coatings. After being uniformly mixed, all raw materials required by preparation of the coating are ground to the following particle size gradation structure: 0 percent of particles is left after sieving with 50nm sieve pores, 25 to 5 percent of the particles are left after sieving with 25nm sieve pores, 50 to 10 percent of the particles are left after sieving with 10nm sieve pores, and 80 to 100 percent of the particles are left after sieving with 5nm sieve pores. According to the method, the raw materials required by preparation of the coating are ground, and the particle size gradation structure is limited, so that the color stability is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a method for improving the color stability of coatings. Background technique [0002] At present, the paint products on the market generally have low color stability, and are prone to fading over time. For this reason, how to improve the color stability of coatings has become an urgent problem for those skilled in the art. Contents of the invention [0003] The invention provides a method for improving the color stability of the paint, which can solve the problems of low color stability and easy fading of the existing paint. [0004] In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: [0005] After mixing all the raw materials required for the preparation of coatings evenly, grind them until the particle size distribution is as follows: [0006] 50nm sieve: 0%; [0007] 25nm sieve sieve: 25% to 5%...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/14C09D7/80
CPCC09D7/80
Inventor 赖禄波
Owner 赖禄波
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