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Water soluble two-component inorganic zinc paint and its making process

A two-component, inorganic zinc technology, used in water-based two-component inorganic zinc coatings and their manufacturing, protection of high-strength bolted surfaces, and anti-corrosion of steel structures. Rough surface, excellent water resistance and corrosion resistance, and easy preparation

Inactive Publication Date: 2004-09-08
上海暄能工程材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned anti-slip coatings all solve the problem of the bolted joint surface through organic coatings, which have volatilization of organic solvents during production and use, causing harm to the environment, production and construction personnel, while water-based inorganic Zinc coatings could revolutionize this problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A component:

[0014] Put 10 grams of polyethylene glycol, 49.5 grams of sodium silicate solution, 20 grams of nano silica gel solution and 2 grams of ethyl trimethoxysilane into a four-necked flask equipped with a stirrer and a condenser, and stir at high speed to increase the temperature. Reacted at 95°C for 3.5 hours. After cooling to room temperature, a gel was obtained, and 3 g of sodium hydroxide, 13 g of pure water, 0.1 g of water-based defoamer CF-16 (produced by B1ackburn Chemica1s Ltd. Co.) and 2.4 g were added Silica, milled for 1 hour, the resulting mixture is the A component of the coating.

[0015] B component:

[0016] Put 10 grams of flaky zinc powder, 7 grams of ferro-titanium powder, 1 gram of wetting and dispersing agent DAP-C (produced by Beijing Tsinghua Yongchang Chemical Co., Ltd.), and 82 grams of spherical zinc powder into the mixer, stir for 1 hour, and mix well. The resulting mixture is the B component of the coating.

[0017] When in use, the A c...

Embodiment 2

[0019] A component:

[0020] Put 25 grams of polyethylene glycol, 24.7 grams of potassium silicate solution, 20 grams of nano alumina colloidal solution, and 10 grams of chlorotrimethylsilane into a four-necked flask equipped with a stirrer and condenser, and stir at high speed at room temperature. After 8 hours of reaction and aging to obtain a gel, 2 grams of ammonia, 15 grams of pure water, 0.3 grams of water-based defoamer CF-246 (produced by Blackburn Chemicals Ltd. Co.), and 3 grams of barium sulfate were ground for 1 hour. The mixture is the A component of the coating.

[0021] B component:

[0022] Put 14 grams of flaky zinc powder, 5 grams of phosphorus iron powder, 0.1 grams of wetting and dispersing agent DAP-C (produced by Beijing Tsinghua Yongchang Chemical Co., Ltd.), and 80.9 grams of spherical zinc powder into the blender, stir for 1 hour, and mix well. The resulting mixture is the B component of the coating.

[0023] When in use, the A component and the B componen...

Embodiment 3

[0025] A component:

[0026] Put 5 grams of polyethylene glycol, 38 grams of potassium silicate solution, 31 grams of nano silica silica gel solution, and 10 grams of methyl trimethoxysilane into a four-necked flask equipped with a stirrer and condenser, and stir at high speed to increase the temperature. Reacted at 95°C for 5 hours. After cooling to room temperature, a gel was obtained. 5 g of potassium hydroxide, 10.7 g of pure water, 0.3 g of water-based defoamer CF-246 (produced by Blackburn Chemicals Ltd. Co.) were added and ground 1 Hours, the resulting mixture is the A component of the coating.

[0027] B component:

[0028] Put 25 grams of flake zinc powder, 25 grams of mica powder, 0.5 grams of wetting and dispersing agent DAP-C (produced by Beijing Tsinghua Yongchang Chemical Co., Ltd.), and 49.5 grams of spherical zinc powder into the blender, stir for 1 hour, and mix evenly to obtain The mixture is the B component of the coating.

[0029] When in use, the A component a...

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Abstract

The water soluble inorganic zinc paint consists of two components, component A and component B, in the weight ratio of 1 to 1.5-4. The component A is prepared through mixing alkali silicate, water soluble resin, nano colloid solution of inorganic oxide and silane as cross-liking agent under stirring for reaction to obtain sol; ageing the sol to obtain gel; adding pure water, inorganic pigment, alkali water solution and water soluble defoaming agent; and grinding. The component B is prepared with spherical zinc powder, chip metal powder, alkali-resisting inorganic pigment and stuffing, wetting carboxylate dispersant and through mixing. The paint has good early stage water resistance, high slipping resistance and high salt mist corrosion resistance, and the production process has no waste water, slag and waste gas produced and is environment friendly.

Description

Technical field [0001] The invention relates to a water-based paint and a manufacturing method thereof, in particular to a water-based two-component inorganic zinc paint and a manufacturing method thereof. The paint is particularly suitable for the protection of high-strength bolt connection surfaces and can also be widely used for the corrosion protection of steel structures. Background technique [0002] Water-based inorganic zinc-rich coating is one of the few excellent coatings that can protect steel structure and make it have a corrosion resistance life of more than 10 years. It achieves corrosion resistance through electrochemical action, that is, anode action. Its coating film is very hard and wear-resistant, has excellent chemical resistance within a certain pH range, and can withstand high temperatures up to 400°C. It can be used as a single long-lasting protective coating or as a primer for high-performance coating systems. Since the 1970s, it has been used more and mor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/00C09D171/08
Inventor 汪国庆汪庆锋胡晶
Owner 上海暄能工程材料有限公司
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