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Production process of water-based zinc-aluminum coating

A zinc-aluminum coating and production process technology, applied in anti-corrosion coatings, fire-resistant coatings, coatings, etc., can solve the problems of temperature, sensitivity to carry-out, poor stability, corrosion resistance less than 1000 hours, etc., and achieve high temperature resistance The effects of performance improvement, anti-corrosion ability, and VOCS content reduction

Active Publication Date: 2022-04-22
JILIN LEAD CHEM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing water-based coatings are not bright enough in appearance, silvery white, and the corrosion resistance cannot reach 1000 hours and the thickness is 6 microns. After heating at 180 degrees for 96 hours, the corrosion resistance can pass the neutral salt spray test for 480 hours, but it can pass 720 hours without heating. Finally, the corrosion resistance can pass the 720-hour neutral salt spray test, but it can pass 1000 hours without heating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The production process of the water-based zinc-aluminum coating provided by the invention, the water-based zinc-aluminum coating is produced from A component material and B component material, wherein,

[0041] A component material is composed of the following components according to weight percentage: zinc powder 30-50%, aluminum powder 2-10%, tin powder 1-3%, silane 5-10%, inorganic compound 2-8%, polyethylene glycol 10-30%, ethanol 1-2%, dipropylene glycol 1-5%, mineral spirits 1-5%, additives 1-2%, sodium metavanadate 1-5%, polyether ether ketone 0.2-5% and surfactant 1-4%;

[0042] B component material is composed of the following components according to weight percentage: water 40-70%, silane 5-20%, phosphomolybdic acid 1-2%, boric acid 1-2%, aluminum dihydrogen phosphate 5-10%, silicic acid compound 1-5%, alcohol compound 5-10%, polyethylene glycol 1-5%, nitric acid compound 0.5-5% and sol 1-5%;

[0043] The production process of water-based zinc-aluminum coati...

Embodiment 2

[0061] The production process of the water-based zinc-aluminum coating provided by the invention, the water-based zinc-aluminum coating is produced from A component material and B component material, wherein,

[0062] A component material is composed of the following components according to weight percentage: zinc powder 30-50%, aluminum powder 2-10%, silane 5-10%, inorganic compound 2-8%, polyethylene glycol 10-30%, ethanol 1 -2%, dipropylene glycol 1-5%, mineral spirits 1-5%, sodium metavanadate 1-5%, polyether ether ketone 0.2-5% and surfactant 1-4%;

[0063] B component material is composed of the following components according to weight percentage: water 40-70%, silane 5-20%, phosphomolybdic acid 1-2%, boric acid 1-2%, aluminum dihydrogen phosphate 5-10%, silicic acid compound 1-5%, alcohol compound 5-10%, polyethylene glycol 1-5%, nitric acid compound 0.5-5% and sol 1-5%;

[0064] The production process of inorganic transparent water-based zinc-aluminum topcoat is as fo...

Embodiment 3

[0080] The production process of the water-based zinc-aluminum coating provided by the invention, the water-based zinc-aluminum coating is produced from A component material and B component material, wherein,

[0081] A component material is composed of the following components according to weight percentage: zinc powder 30-50%, aluminum powder 2-10%, silane 5-10%, inorganic compound 2-8%, polyethylene glycol 10-30%, ethanol 1 -2%, dipropylene glycol 1-5%, mineral spirits 1-5%, additives 1-2%, sodium metavanadate 1-5%, polyether ether ketone 0.2-5% and surfactant 1-4 %;

[0082] B component material is composed of the following components according to weight percentage: water 40-70%, silane 5-20%, phosphomolybdic acid 1-2%, boric acid 1-2%, aluminum dihydrogen phosphate 5-10%, silicic acid compound 1-5%, alcohol compound 5-10%, polyethylene glycol 1-5%, nitric acid compound 0.5-5% and sol 1-5%;

[0083] The production process of water-based zinc-aluminum coating is:

[0084...

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Abstract

The invention belongs to the technical field of coating production, and particularly relates to a production process of a water-based zinc-aluminum coating, the water-based zinc-aluminum coating is produced from a component material A and a component material B, the component A material is prepared from the following components in percentage by weight: 30 to 50 percent of zinc powder, 2 to 10 percent of aluminum powder, 5 to 10 percent of silane, 2 to 8 percent of inorganic compound, 10 to 30 percent of polyethylene glycol, 1 to 2 percent of ethanol, 1 to 5 percent of dipropylene glycol, 1 to 5 percent of mineral spirit, 1 to 2 percent of additive, 1 to 5 percent of sodium metavanadate, 0.2 to 5 percent of polyether-ether-ketone and 1 to 4 percent of surfactant; the component material B comprises the following components in percentage by weight: 40-70% of water, 5-20% of silane, 1-2% of phosphomolybdic acid, 1-2% of boric acid, 5-10% of aluminum dihydrogen phosphate, 1-5% of a silicic acid compound, 5-10% of an alcohol compound, 1-5% of polyethylene glycol, 0.5-5% of a nitric acid compound and 1-5% of sol. According to the present invention, the VOCS content is reduced while the traditional oily appearance is pursued, the thickness is 6 [mu] m, and the corrosion resistance can achieve more than 1000 h.

Description

technical field [0001] The invention relates to the technical production field of coatings, in particular to a production process of water-based zinc-aluminum coatings. Background technique [0002] Paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, or oil, or emulsion, with or without adding pigments, fillers, and adding corresponding Additives, viscous liquids prepared with organic solvents or water. [0003] Existing water-based coatings are not bright enough in appearance and silvery white, and at the same time, the corrosion resistance cannot reach 1000 hours and the thickness is 6 microns. After heating at 180 degrees for 96 hours, the corrosion resistance can pass the neutral salt spray test for 480 hours, but it can pass 720 hours without heating. Finally, the corrosion resistance can pass the 720-hour neutral salt spray test, but it can pass 1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/10C09D7/61C09D7/65
CPCC09D5/103C09D5/106C09D5/18C09D7/61
Inventor 曲莹
Owner JILIN LEAD CHEM TECH CO LTD