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Water base fingerprint-resisting paint for galvanized plate and preparation method thereof

A fingerprint-resistant, galvanized sheet technology, applied in the coating and other directions, can solve the problems of long-term storage, complicated operation, etc., and achieve the effect of long shelf life, simple preparation process and few types

Inactive Publication Date: 2009-12-16
CONTINUOUS CASTING TECH ENG OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Known two-component products in practical applications, there are problems such as complex operation, long-term storage after deployment, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A water-based anti-fingerprint coating for galvanized sheets, the weight percentage of each raw material is shown in Table 1.

[0037] Table 1

[0038] components

name

Weight (g)

% by weight

Remark

water-based resin

solid acrylic resin

20

20

Molecular weight 10000

Inorganic salt

Potassium hexafluorozirconate

0.3

0.3

Silica sol

Silica sol

5

5

Particle size 50nm

Auxiliary A

Organic Phosphonate Polymers

Albritect CP-30

15.7

15.7

Auxiliary B

HEDP (Hydroxyethylene Diphosphonic Acid)

4

4

water

distilled water

55

55

ES≤8μs / cm

[0039] Above-mentioned a kind of preparation method for the water base anti-fingerprint paint of galvanized sheet, it comprises the steps:

[0040] 1), raw material selection: select each raw material according to Table 1;

[0041]2), f...

Embodiment 2

[0043] A water-based anti-fingerprint coating for galvanized sheets, the weight percentage of each raw material is shown in Table 2.

[0044] Table 2

[0045] components

[0046] Above-mentioned a kind of preparation method for the water base anti-fingerprint paint of galvanized sheet, it comprises the steps:

[0047] 1), raw material selection: select each raw material according to Table 2;

[0048] 2), first add solid acrylic resin and silica sol into the reaction tank, at 60°C, add water with 50% of the total amount of water and stir for 7 minutes; then, keep the temperature at 60°C, add organic phosphonate polymer Albritect CP- 30 (French Rhodia company product) and hydroxyethylene diphosphonic acid (HEDP, molecular formula C 2 h 8 o 7 P 2 ), after stirring for 1 hour, cool to room temperature; add ammonium hexafluorozirconate and remaining water, and react for 30 minutes to obtain a water-based anti-fingerprint coating (coating No. 2) for galvanized panels....

Embodiment 3

[0055] A water-based anti-fingerprint coating for galvanized sheets, which consists of solid acrylic resin (its molecular weight is 8000), ammonium fluorotitanate, silica sol (particle size is 20nm), organic phosphonate polymer Albritect CP-30 , 2-hydroxyphosphonoacetic acid (HPAA) and distilled water raw materials, the weight percentage of each raw material is: solid acrylic resin 15%, ammonium fluorotitanate 0.3%, silica sol 5%, Albritect CP-3010%, 2 - Hydroxyphosphonoacetic acid (HPAA) 4%, distilled water 65.7%.

[0056] Above-mentioned a kind of preparation method for the water base anti-fingerprint paint of galvanized sheet, it comprises the steps:

[0057] 1), selection of raw materials: select each raw material according to the above ratio;

[0058] 2), first add solid acrylic resin and silica sol into the reaction tank, at 60-65°C, add distilled water with 30% of the total amount of distilled water and stir for 5 minutes; then, keep the temperature at 60°C, add the or...

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PUM

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Abstract

The invention relates to paint composite and a preparation method thereof, in particular to fingerprint-resisting paint for manufacturing galvanized fingerprint-resisting plates and a preparation method thereof. The water base fingerprint-resisting paint which is used for the galvanized plates is characterized by being prepared from raw materials comprising waterborne resin, inorganic salt, silicasol, auxiliary agent A, auxiliary agent B and water, wherein the weight percentage of each raw material is as follows: the waterborne resin accounts for 15 to 30 percent, the inorganic salt accounts for 0.3 to 1.0 percent, the silicasol accounts for 5 to 10 percent, the auxiliary agent A accounts for 10 to 20 percent, the auxiliary agent B accounts for 4 to 10 percent and the water accounts for 50 to 65.7 percent, and the sum of weight percentage of the raw materials is 100 percent. The invention has the advantages of environmental protection and simple process. The paint composite can be sprayed on the surface of a hot galvanized steel plate, an electrogalvanized steel plate, an aluminum plated zinc plate or a cold-roll steel plate by the modes of dip-coating, spraying, roller painting, and the like, and the curing time is short and only lasts for 20 seconds to 1 minute; after the steel plates are sprayed, the requirements of the steel plates on corrosion resistance, alkali resistance, high temperature resistance, electrical conductivity, paintability, and the like can be met, and the fingerprint resistance of the steel plates can be greatly improved.

Description

technical field [0001] The invention relates to a paint composition and a preparation method thereof, in particular to a fingerprint-resistant paint for manufacturing galvanized fingerprint-resistant steel sheets and a preparation method thereof. Background technique [0002] In recent years, with the rapid growth of demand for home appliances, automobiles, toys, and office equipment, the demand for fingerprint-resistant steel plates, as a high value-added surface treatment product, has continued to increase. This has promoted the research on anti-fingerprint treatment technology, and the development of new application fields of anti-fingerprint treatment agents. The known or applied for anti-fingerprint treatment technologies mainly include the following types: chromate treatment, organic resin film treatment, organic silane coupling agent, organic resin compounded with inorganic metal salt, etc. [0003] In the early technology, the chemical treatment agents used in the t...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D7/12C09D5/00
Inventor 罗东岳田熙科杨超王子杰叶昌明刘国虎
Owner CONTINUOUS CASTING TECH ENG OF CHINA
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