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Anti-rust coating used for metals and containing iron oxide red

A technology of anti-rust coatings and iron red, applied in anti-corrosion coatings, coatings, etc., can solve the problems of slow drying and salt spray resistance of metal coatings, and achieve the effect of excellent water resistance, simple raw materials, and easy-to-obtain raw materials

Inactive Publication Date: 2016-12-07
沈旭源
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a fast-drying, high-strength iron red antirust coating for metals, which solves the technical problems of slow drying and salt spray resistance of existing metal coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Step 1: Weigh 100 parts of iron red, 40 parts of calcium carbonate, 15 parts of barium sulfate, 10 parts of dibutyl phthalate, 5 parts of ethyl cellulose, and 10 parts of aluminum stearate according to the ratio of parts by mass , 5 parts of diphenylamine, 1 part of benzotriazole, 2 parts of zinc oxide, 4 parts of tributyl phosphate.

[0018] Step 2: Put iron red, calcium carbonate, barium sulfate, dibutyl phthalate and aluminum stearate into the reaction kettle, heat to 140°C, and stir at 200r / min for 10min.

[0019] Step 3: Let the stirred liquid stand for 120 minutes, add ethyl cellulose, diphenylamine, benzotriazole, zinc oxide and tributyl phosphate, mix well at 170°C, put it into a grinder for 16 hours, and filter After packing.

[0020] The appearance of the coating film is smooth and bright, the viscosity is 80s, and the hiding power is 240g / cm 2 ;Excellent water resistance and anti-rust performance, first-class adhesion, salt spray resistance 15d without abno...

Embodiment 2

[0022] Step 1: Weigh 100 parts of iron red, 60 parts of calcium carbonate, 55 parts of barium sulfate, 50 parts of dibutyl phthalate, 45 parts of ethyl cellulose, and 30 parts of aluminum stearate according to the ratio of parts by mass , 25 parts of diphenylamine, 5 parts of benzotriazole, 6 parts of zinc oxide, and 8 parts of tributyl phosphate.

[0023] Step 2: Put iron red, calcium carbonate, barium sulfate, dibutyl phthalate and aluminum stearate into the reaction kettle, heat to 160°C, and stir at 400r / min for 50min.

[0024] Step 3: Let the stirred liquid stand for 160 minutes, add ethyl cellulose, diphenylamine, benzotriazole, zinc oxide and tributyl phosphate, mix evenly at 190°C, put it into a grinder for 20 hours, and filter After packing.

[0025] The appearance of the coating film is smooth and bright, the viscosity is 85s, and the hiding power is 250g / cm 2 ;Excellent water resistance and anti-rust performance, first-class adhesion, no abnormality in salt spray ...

Embodiment 3

[0027] Step 1: Weigh 100 parts of iron red, 45 parts of calcium carbonate, 25 parts of barium sulfate, 20 parts of dibutyl phthalate, 15 parts of ethyl cellulose, and 15 parts of aluminum stearate according to the ratio of parts by mass , 10 parts of diphenylamine, 2 parts of benzotriazole, 3 parts of zinc oxide, 5 parts of tributyl phosphate.

[0028] Step 2: Put iron red, calcium carbonate, barium sulfate, dibutyl phthalate and aluminum stearate into the reaction kettle, heat to 140°C, and stir at 200r / min for 10min.

[0029] Step 3: Let the stirred liquid stand for 120 minutes, add ethyl cellulose, diphenylamine, benzotriazole, zinc oxide and tributyl phosphate, mix well at 170°C, put it into a grinder for 16 hours, and filter After packing.

[0030] The appearance of the coating film is smooth and bright, the viscosity is 90s, and the hiding power is 260g / cm 2 ;Excellent water resistance and anti-rust performance, first-class adhesion, salt spray resistance 35d without a...

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Abstract

The invention discloses an anti-rust coating used for metals and containing iron oxide red. The anti-rust coating is prepared from raw materials as follows: iron oxide red, calcium carbonate, barium sulfate, dibutyl phthalate, ethyl cellulose, aluminum stearate, diphenylamine, benzotriazole, zinc oxide and tributyl phosphate; a coating film has a flat and glossy appearance, has the viscosity being 80-100 s and has the hiding power being 240-280 g / cm<2>; the coating has excellent water resistance and anti-rust performance, has first-class attachment, is resistant to salt mist, has no abnormalities within 15-55 d, has good salt water resistance and doesn't bubble or peel off within 10-30 d; surface drying requires 1-5 h, and full drying requires 12-16 h; a preparation method is simple, raw materials are simple and easy to obtain, and the coating can be widely produced and continuously replace existing materials.

Description

technical field [0001] The invention relates to the technical field of metal materials, in particular to an iron red antirust coating for metal. Background technique [0002] Iron red antirust paint is a coating that can protect metal surfaces from chemical or electrochemical corrosion of the atmosphere, sea water, etc. It is mainly divided into two categories: physical and chemical iron red antirust paint. The former relies on the proper coordination of pigments and paints to form a dense paint film to prevent the intrusion of corrosive substances, such as iron red, aluminum powder, graphite iron red antirust paint, etc.; the latter relies on the chemical antirust of iron red antirust pigments Function, such as red lead, zinc yellow iron red antirust paint and so on. Iron red antirust for bridges, ships, pipelines and other metals. [0003] The iron red antirust paint used is roughly oily and water-based. Oily iron red antirust paint makes it difficult to remove the gre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D101/28C09D7/12C09D5/08
CPCC09D101/28C08K3/22C08K3/26C08K3/30C08K5/098C08K5/12C08K5/18C08K5/3475C08K5/521C08K13/02C08K2003/2272C08K2003/2296C08K2003/265C08K2003/3045C09D5/084C09D7/61C09D7/63
Inventor 沈旭源
Owner 沈旭源
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