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Method for preparing color retention stone-like coating

A technology of imitation stone paint and preparation steps, which is applied in the direction of coating, etc., and can solve the problems of imitation stone paint such as impermanent dyeing and poor color retention

Inactive Publication Date: 2018-04-27
赵顺全
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main technical problem to be solved by the present invention is to provide a method for preparing a color-preserving imitation stone paint aiming at the problems of imitation stone paint not durable in dyeing and poor color retention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] Weigh 300g of quartz sand into the beaker, add 200mL of 30% sodium carbonate solution into the beaker, stir for 3 minutes, then add 300mL of 10% hydrochloric acid into the beaker while stirring, after adding the hydrochloric acid, stir for 3 minutes , filter and remove the filtrate to obtain filter residue, wash the filter residue with water 3 times to obtain rough surface quartz sand; weigh 600g laver and put it into a mortar for grinding for 40min, add 300mL mass fraction of 30% sodium hydroxide solution to the mortar, filter Remove the filter cake to obtain the seaweed extract, put the seaweed extract in a beaker, add 100mL of calcium chloride solution with a mass fraction of 40%, filter the filtrate to obtain a precipitate; soak the precipitate in a beaker with 200mL of 20% hydrochloric acid for 15min , continue to add 100mL mass fraction of 30% sodium carbonate solution to the beaker, stir and react for 10min, filter and remove the reaction filtrate to obtain seawee...

example 2

[0021] Weigh 350g of quartz sand into the beaker, add 250mL of 30% sodium carbonate solution in mass fraction to the beaker, stir for 3.5min, then add 350mL of 10% hydrochloric acid into the beaker while stirring, after adding hydrochloric acid, stir 4min, filter and remove the filtrate to obtain the filter residue, wash the filter residue with water 4 times to obtain rough surface quartz sand; weigh 700g laver and put it into a mortar for grinding for 42min, add 350mL mass fraction of 30% sodium hydroxide solution in the mortar, Remove the filter cake by filtration to obtain the seaweed extract, put the seaweed extract in a beaker, add 125mL calcium chloride solution with a mass fraction of 40%, filter the filtrate to obtain a precipitate; soak the precipitate in a beaker with 250mL of 20% hydrochloric acid for 17min Finally, continue to add 125mL mass fraction in the beaker and be 30% sodium carbonate solution, after stirring and reacting for 13min, filter and remove the reac...

example 3

[0023] Weigh 400g of quartz sand into the beaker, add 300mL of 30% sodium carbonate solution into the beaker, stir for 4min, then add 400mL of 10% hydrochloric acid into the beaker while stirring, after adding the hydrochloric acid, stir for 5min , filter and remove the filtrate to obtain filter residue, wash the filter residue with water 5 times to obtain rough surface quartz sand; weigh 800g laver and put it into a mortar for grinding for 45min, add 400mL mass fraction of 30% sodium hydroxide solution to the mortar, filter Remove the filter cake to obtain the seaweed extract, put the seaweed extract in a beaker, add 150mL of calcium chloride solution with a mass fraction of 40%, filter the filtrate to obtain a precipitate; soak the precipitate in a beaker with 300mL of 20% hydrochloric acid for 20min , continue to add 150mL mass fraction of 30% sodium carbonate solution to the beaker, stir and react for 15min, filter and remove the reaction filtrate to obtain seaweed extract ...

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Abstract

The invention relates to the technical field of conductive coatings, in particular to a method for preparing a color-preserving stone-like coating. In the present invention, a small amount of metal oxide contained in the quartz sand is dissolved after being treated, so that the inside of the quartz sand forms a rough porous structure, and the expandable graphite absorbs pigment particles into the micropores to prevent the pigment from being oxidized by air, and the coating of the expandable graphite It also prevents the pigment from being irradiated by light to cause the pigment to lose color, so that the paint can achieve the purpose of color retention. In addition, the seaweed extract powder in the present invention contains sodium alginate, and the sodium ions of sodium alginate and the chromium ions of the pigment undergo an ion exchange reaction to form a hydrogel, so that the pigment particles are well protected in the gel without It will easily fade due to external wear, so the invented paint has the performance of color retention.

Description

technical field [0001] The invention relates to a paint, in particular to a preparation method of a color-preserving stone-like paint. Background technique [0002] Stone-like paint (also called stone paint) is a paint that has a natural stone effect after construction. It is mainly made of natural stone powder of various colors, which belongs to water-based environmental protection art paint. Stone-like paints include real stone paint, crushed stone paint, and imitation marble, and its decorative effect is similar to marble and granite. Stone-like coatings have functions such as decoration and protection of buildings. Coating the surface of a substance can change its color, pattern, luster, texture, etc., improve the aesthetic value of the object, and protect the surface of the painted object from light, oxygen, and chemical substances from the outside. Erosion of substances, solvents, microorganisms, etc., and improve the service life of the coated object. The buildings...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D5/28C09D7/61C09D7/63
CPCC09D4/06C09D5/28
Inventor 何俊欣张淑娴林大伟
Owner 赵顺全
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