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Heavy-sizing heavy-duty antirust paint for metals

A heavy-duty anti-corrosion and anti-rust paint technology, applied in the field of metal materials, can solve the problems of poor anti-corrosion performance and slow drying, and achieve the effects of good drying, smooth and bright coating film, and good anti-corrosion performance

Inactive Publication Date: 2016-12-07
董芬芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a heavy-build heavy-duty anti-corrosion anti-rust paint for metals with fast drying and good anti-corrosion performance, which solves the technical problems of slow drying and poor anti-corrosion performance of existing metal materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Step 1: Weigh 100 parts of coal tar pitch, 15 parts of epoxy resin, 5 parts of polyamide, 10 parts of potassium silicate, 5 parts of aluminum silicate, 4 parts of benzotriazole, strontium sulfate according to the ratio of parts by mass 0.1 parts, 50 parts xylene, 8 parts aluminum polyphosphate, 1 part chromium trioxide.

[0019] Step 2: Put coal tar pitch, epoxy resin, polyamide, potassium silicate and benzotriazole into the reaction kettle, heat to 125°C, and stir at 240r / min for 35min.

[0020] Step 3: Let the stirred liquid stand for 90 minutes, add aluminum silicate, strontium sulfate, xylene, aluminum polyphosphate and chromium trioxide, mix well at 160°C, put it into a grinder for 12 hours, filter and pack .

[0021] Used for anti-rust on metal surface, high surface strength, viscosity 60s, fineness 50μm, good adhesion to metal; good anti-corrosion performance, impact resistance 60cm, salt water resistance 20d, no foaming, no falling off, smooth and bright coatin...

Embodiment 2

[0023] Step 1: Weigh 100 parts of coal tar pitch, 35 parts of epoxy resin, 25 parts of polyamide, 30 parts of potassium silicate, 25 parts of aluminum silicate, 16 parts of benzotriazole, strontium sulfate 0.5 parts, 90 parts of xylene, 12 parts of aluminum polyphosphate, and 20 parts of chromium trioxide.

[0024] Step 2: Put coal tar pitch, epoxy resin, polyamide, potassium silicate and benzotriazole into the reaction kettle, heat to 145°C, and stir at 280r / min for 55min.

[0025] Step 3: Let the stirred liquid stand for 100 minutes, add aluminum silicate, strontium sulfate, xylene, aluminum polyphosphate and chromium trioxide, mix well at 180°C, put it into a grinder for 14 hours, filter and pack .

[0026] Used for anti-rust on metal surface, high surface strength, viscosity 65s, fineness 45μm, good adhesion to metal; good anti-corrosion performance, impact resistance 65cm, salt water resistance 30d, no foaming, no falling off, smooth and bright coating film; The coating...

Embodiment 3

[0028] Step 1: Weigh 100 parts of coal tar pitch, 20 parts of epoxy resin, 10 parts of polyamide, 15 parts of potassium silicate, 10 parts of aluminum silicate, 6 parts of benzotriazole, and strontium sulfate according to the ratio of parts by mass. 0.2 parts, 60 parts of xylene, 9 parts of aluminum polyphosphate, 5 parts of chromium trioxide.

[0029] Step 2: Put coal tar pitch, epoxy resin, polyamide, potassium silicate and benzotriazole into the reaction kettle, heat to 125°C, and stir at 240r / min for 35min.

[0030] Step 3: Let the stirred liquid stand for 90 minutes, add aluminum silicate, strontium sulfate, xylene, aluminum polyphosphate and chromium trioxide, mix well at 160°C, put it into a grinder for 12 hours, filter and pack .

[0031] Used for anti-rust on metal surface, high surface strength, viscosity 70s, fineness 40μm, good adhesion to metal; good anti-corrosion performance, impact resistance 70cm, salt water resistance 40d, no foaming, no falling off, smooth ...

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Abstract

The invention discloses a heavy-sizing heavy-duty antirust paint for metals. The heavy-sizing heavy-duty antirust paint for metals is prepared from coal pitch, an epoxy resin, polyamide, potassium silicate, aluminum silicate, benzotriazole, strontium sulfate, dimethylbenzene, aluminum polyphosphate and chromic oxide. The heavy-sizing heavy-duty antirust paint for metals is used for rust prevention on the metal surface, and has high surface strength and favorable adhesive force for metals; and the viscosity is 60-80s, and the fineness is 30-50 mu m. The paint has favorable corrosion resistance and high impact strength (60-80cm), and can resist salt water for 20-60 days without bubbling or shedding; and the paint film is smooth and bright. The paint has favorable drying properties: the surface drying time is 6-10 hours, and the solid drying time is 18-22 hours. The covering power is 90-110 g / cm<2>. The paint has the advantages of simple preparation method and simple and accessible raw materials, and can be widely produced and continuously substitute the existing materials.

Description

technical field [0001] The invention relates to the technical field of metal materials, in particular to a thick paste heavy-duty anti-rust paint for metal. Background technique [0002] Antirust paint is a coating that protects metal surfaces from chemical or electrochemical corrosion from the atmosphere, sea water, etc. Mainly divided into two categories of physical and chemical 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 thick paste heavy-duty anti-corrosion, thick paste heavy-duty anti-corrosion, graphite anti-rust paint, etc.; the latter relies on the chemical anti-rust of anti-rust pigments Function, such as coal tar pitch, zinc yellow antirust paint, etc. Used for rust prevention of bridges, ships, pipelines and other metals. Coal tar pitch antirust paint is a kind of paint mixed with coal tar pitch and drying oil. It has good permeability a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D195/00C09D163/00C09D177/00C09D7/12C09D5/08
CPCC09D195/00C08K2201/014C08L2205/03C09D5/08C09D7/61C09D7/63C09D7/65C08L63/00C08L77/00C08K13/02C08K3/34C08K5/3475C08K2003/3045C08K2003/327C08K2003/2251
Inventor 董芬芳
Owner 董芬芳