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Nano-grade powder paint

A powder coating, nano-scale technology, applied in powder coatings, polyester coatings, coatings, etc., can solve the problems that affect the use and appearance of powder coatings, easy to crack and fall off, high humidity, etc., to maintain the protection performance and Appearance effect, low cost, high hardness effect

Inactive Publication Date: 2017-11-24
RUGAO CITY LEHENG CHEM COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the improvement of living conditions, architectural coatings have become an essential material for indoor and outdoor decoration. At present, the widely used imitation porcelain coatings are mainly made of polyvinyl alcohol, cornstarch cellulose, and polypropylene. Made of high quality calcium carbonate, it is white and beautiful when painted indoors and outdoors, but it has the disadvantages of low hardness and easy cracking and falling off
In recent years, during the application of nano-scale powder coatings, especially outdoor nano-scale powder coatings, due to the erratic outdoor climate and high humidity, in hot and humid environments, powder coatings tend to absorb moisture and form white spots on the surface, which affects the powder coating. Coating use and appearance performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A nanoscale powder coating, in parts by weight, its components are: 70 parts of magnesium carbonate, 4.5 parts of mica powder, 3.5 parts of cellulose, 4 parts of fluorescent powder, 4.5 parts of porcelain calcium, 7.5 parts of bentonite, rubber powder 6 parts; 70 parts of polyester resin, 22.5 parts of dispersant, 37.5 parts of filler, 10 parts of leveling agent, 5 parts of benzoin, 3 parts of brightening agent;

[0012] Mix the above raw materials and stir evenly, then put them into the extruder, extrude them into 2mm flakes through rollers after melt extrusion, then crush them with a crusher, grind them with a nano grinder, and obtain nanoscale powder coatings after classification and screening.

[0013] The filler is titanium dioxide.

Embodiment 2

[0015] A nano-scale powder coating, in parts by weight, its components are: 60 parts of magnesium carbonate, 4 parts of mica powder, 2 parts of cellulose, 3 parts of fluorescent powder, 4 parts of porcelain calcium, 5 parts of bentonite, rubber powder 2 parts; 60 parts of polyester resin, 20 parts of dispersant, 35 parts of filler, 8-12 parts of leveling agent, 4 parts of benzoin, 2 parts of brightening agent;

[0016] Mix the above raw materials and stir evenly, then put them into the extruder, extrude them into 2mm flakes through rollers after melt extrusion, then crush them with a crusher, grind them with a nano grinder, and obtain nanoscale powder coatings after classification and screening.

[0017] The filler is barium sulfate.

Embodiment 3

[0019] A nano-scale powder coating, in parts by weight, its components are: 80 parts of magnesium carbonate, 5 parts of mica powder, 5 parts of cellulose, 5 parts of fluorescent powder, 5 parts of porcelain calcium, 10 parts of bentonite, rubber powder 10 parts; 80 parts of polyester resin, 25 parts of dispersant, 40 parts of filler, 12 parts of leveling agent, 6 parts of benzoin, 4 parts of brightening agent;

[0020] Mix the above raw materials and stir evenly, then put them into the extruder, extrude them into 2mm flakes through rollers after melt extrusion, then crush them with a crusher, grind them with a nano grinder, and obtain nanoscale powder coatings after classification and screening.

[0021] The filler is selected from two mixtures of barium sulfate and titanium dioxide.

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PUM

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Abstract

The invention relates to nano-grade powder paint. The nano-grade powder paint is characterized by being prepared from the following components in parts by weight: 60 to 80 parts of magnesium carbonate, 4 to 5 parts of mica powder, 2 to 5 parts of cellulose, 3 to 5 parts of fluorescent powder, 4 to 5 parts of porcelainized calcium, 5 to 10 parts of bentonite, 2 to 10 parts of glue powder, 60 to 80 parts of polyester resin, 20 to 25 parts of a dispersant, 35 to 40 parts of filling, 8 to 12 parts of a flatting agent, 4 to 6 parts of styrax and 2 to 4 parts of a luster-enhancing agent. The nano-grade powder paint provided by the invention has the advantages of high rigidity, wiping resistance, no peeling, low cost and the like; a wall surface which is painted by taking the nano-grade powder paint as a raw material is bright and clean and looks like porcelain; a powder coating formed by baking and curing the nano-grade powder paint provided by the invention at high temperature has remarkable anti-whitening performance and the protection performance and appearance effect of the powder coating on a base material are kept.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a nanoscale powder coating. Background technique [0002] With the improvement of living conditions, architectural coatings have become an essential material for indoor and outdoor decoration. At present, the widely used imitation porcelain coatings are mainly made of polyvinyl alcohol, cornstarch cellulose, and polypropylene. Made of high quality calcium carbonate, it is white and beautiful when painted indoors and outdoors, but it has the disadvantages of low hardness and easy cracking and falling off. In recent years, during the application of nano-scale powder coatings, especially outdoor nano-scale powder coatings, due to the erratic outdoor climate and high humidity, in hot and humid environments, powder coatings tend to absorb moisture and form white spots on the surface, which affects the powder coating. Coating use and appearance properties. To improve the whitening resistance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D5/03C09D7/12
CPCC09D167/00C08K2003/267C09D5/033C08L1/02C08K13/02C08K3/24C08K3/34C08K3/346
Inventor 唐正华
Owner RUGAO CITY LEHENG CHEM COMPANY
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