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Anti-icing powdery coating

A powder coating and anti-icing 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 protection performance and appearance effect, low cost and high hardness

Inactive Publication Date: 2018-01-12
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, in the application process of anti-icing powder coatings, especially outdoor anti-icing powder coatings, due to the erratic outdoor climate and high humidity, in hot and humid environments, powder coatings tend to absorb water and form white spots on the surface. Affect the use and appearance of powder coating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] An anti-icing powder coating, in parts by weight, its components are: 80 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, glue 6 parts of powder; 70 parts of polyester resin, 22.5 parts of curing agent, 37.5 parts of zinc powder, 10 parts of antioxidant, 5 parts of benzoin, and 3 parts of catalyst.

[0015] Zinc powder is titanium dioxide.

[0016] A processing method of an anti-icing powder coating, the specific method is as follows:

[0017] (1) All materials are weighed according to the proportion, after mixing;

[0018] (2) Extruded in a twin-screw extruder at about 120-135°C;

[0019] (3) The extruded tablet is crushed and passed through a 120-200 mesh sieve.

Embodiment 2

[0021] An anti-icing powder coating, in parts by weight, its components are: 90 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, glue 2 parts of powder; 60 parts of polyester resin, 20 parts of curing agent, 35 parts of zinc powder, 8-12 parts of antioxidant, 4 parts of benzoin, and 2 parts of catalyst.

[0022] A processing method of an anti-icing powder coating, the specific method is as follows:

[0023] (1) All materials are weighed according to the proportion, after mixing;

[0024] (2) Extruded in a twin-screw extruder at about 120-135°C;

[0025] (3) The extruded tablet is crushed and passed through a 120-200 mesh sieve.

[0026] Zinc powder is barium sulfate.

Embodiment 3

[0028] An anti-icing powder coating, in parts by weight, its components are: 100 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, glue 10 parts of powder; 80 parts of polyester resin, 25 parts of curing agent, 40 parts of zinc powder, 12 parts of antioxidant, 6 parts of benzoin, and 4 parts of catalyst.

[0029] A processing method of an anti-icing powder coating, the specific method is as follows:

[0030] (1) All materials are weighed according to the proportion, after mixing;

[0031] (2) Extruded in a twin-screw extruder at about 120-135°C;

[0032] (3) The extruded tablet is crushed and passed through a 120-200 mesh sieve.

[0033] The zinc powder 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 an anti-icing powdery coating, which is characterized by being prepared from the following components in parts by weight: 80 to 100 parts of magnesium carbonate, 4 to 5 partsof 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 gelatin powder, 80 to 100 parts of polyester resin, 20 to 25 parts of curing agent, 35 to 40 parts of zinc powder, 8 to 12 parts of antioxidant, 4 to 6 parts of benzoin and 2 to 4 parts of catalyst. A specific processing method for the anti-icing powdery coating comprises the steps: all the materials are weighed according to a proportion, and after uniform mixing, the mixture is extruded out of a double-screw extruder under 120 DEG Cto 135 DEG C; and the extruded sheets are ground and screened by a 120-to-200-mesh sieve, so that the anti-icing powdery coating is obtained. The anti-icing powdery coating disclosed by the inventionhas the advantages of high hardness, wiping resistance, no scaling, low cost and the like, and the surface of a wall brushed with the anti-icing powdery coating as a material is bright and clean likeporcelain; and a powdery coating layer which is formed after the anti-icing powdery coating is baked to be solidified under high temperature has outstanding whitening resistance. The base material-protecting property and appearance effect of the powdery coating are kept.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an anti-icing 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, in the application process of anti-icing powder coatings, especially outdoor anti-icing powder coatings, due to the erratic outdoor climate and high humidity, in hot and humid environments, powder coatings tend to absorb water and form white spots on the surface. Affect the use and appearance of powder coating. To improve the whitening resistance of powder coatings, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D5/03C09D7/61C09D7/63
Inventor 唐正华
Owner RUGAO CITY LEHENG CHEM COMPANY
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