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Aluminum triphosphate antirust coating for metals

A technology of aluminum tripolyphosphate and anti-rust coatings, which is applied in the direction of anti-corrosion coatings, fire-proof coatings, polyester coatings, etc., can solve the problems of slow drying, salt spray resistance, etc. easy to achieve effect

Inactive Publication Date: 2016-11-23
董芬芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides an aluminum tripolyphosphate antirust coating for metals with fast drying and good salt resistance, which solves the technical problems of slow drying and salt spray resistance 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 deionized water, 2 parts of aluminum powder paste, 30 parts of phenolic aldehyde, 35 parts of alkyd, 10 parts of xylene, 1 part of isopropanol, and 25 parts of aluminum tripolyphosphate according to the ratio of parts by mass , 20 parts of precipitated barium sulfate, 15 parts of butanol, and 5 parts of iron red.

[0019] Step 2: Put deionized water, aluminum powder slurry, phenolic aldehyde, alkyd and isopropanol into the reaction kettle, heat to 45°C, and stir at 200r / min for 60min.

[0020] Step 3: Let the stirred liquid stand for 15 minutes, add xylene, aluminum tripolyphosphate, precipitated barium sulfate, butanol and phenolic aldehyde, mix well at 65°C, put it into a grinder for 4 hours, filter and pack.

[0021] No precipitation, no flash rust, no rust return, long storage period, flame retardant and acid and alkali corrosion resistance, fineness 45μm, viscosity 100s; first-class adhesion, high temperature resistance of 120°C, water re...

Embodiment 2

[0023] Step 1: Weigh 100 parts of deionized water, 6 parts of aluminum powder paste, 50 parts of phenolic formaldehyde, 55 parts of alkyd, 30 parts of xylene, 5 parts of isopropanol, and 45 parts of aluminum tripolyphosphate according to the ratio of parts by mass , 40 parts of precipitated barium sulfate, 35 parts of butanol, and 25 parts of iron red.

[0024] Step 2: Put deionized water, aluminum powder slurry, phenolic aldehyde, alkyd and isopropanol into the reaction kettle, heat to 65°C, and stir at 400r / min for 80min.

[0025] Step 3: Let the stirred liquid stand for 35 minutes, add xylene, aluminum tripolyphosphate, precipitated barium sulfate, butanol and phenolic aldehyde, mix well at 85°C, put it into a grinder for 6 hours, filter and pack.

[0026] No sedimentation, no flash rust, no rust return, long storage period, flame retardant and acid and alkali corrosion resistance, fineness 30μm, viscosity 105s; first-class adhesion, high temperature resistance of 125°C, wa...

Embodiment 3

[0028] Step 1: Weigh 100 parts of deionized water, 3 parts of aluminum powder paste, 35 parts of phenolic formaldehyde, 40 parts of alkyd, 15 parts of xylene, 2 parts of isopropanol, and 30 parts of aluminum tripolyphosphate according to the ratio of parts by mass , 25 parts of precipitated barium sulfate, 20 parts of butanol, and 10 parts of iron red.

[0029] Step 2: Put deionized water, aluminum powder slurry, phenolic aldehyde, alkyd and isopropanol into the reaction kettle, heat to 45°C, and stir at 200r / min for 60min.

[0030] Step 3: Let the stirred liquid stand for 15 minutes, add xylene, aluminum tripolyphosphate, precipitated barium sulfate, butanol and phenolic aldehyde, mix well at 65°C, put it into a grinder for 4 hours, filter and pack.

[0031] No precipitation, no flash rust, no rust return, long storage period, flame retardant and acid and alkali corrosion resistance, fineness 35μm, viscosity 110s; first-class adhesion, high temperature resistance of 130°C, wa...

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Abstract

The invention discloses an aluminum tripolyphosphate antirust paint for metal. The raw materials are: deionized water, aluminum powder slurry, phenolic aldehyde, alkyd, xylene, isopropanol, aluminum tripolyphosphate, precipitated barium sulfate, butanol and Iron red; no precipitation, no flash rust, no rust return, long storage period, flame retardant and acid and alkali corrosion resistance, fineness 25-45μm, viscosity 100-120s; first-class adhesion, high temperature resistance 120-140℃, Water resistance 20‑40d without blistering or falling off, impact strength 500‑700N / cm; salt water resistance 10‑30d no abnormality, surface dry 10‑30min, hard dry 8‑12h, hardness 0.4‑0.8.

Description

technical field [0001] The invention relates to the technical field of metal materials, in particular to an aluminum tripolyphosphate antirust paint for metal. Background technique [0002] Coatings that protect metal surfaces from chemical or electrochemical corrosion from the atmosphere, sea deionized water, etc. Coating anti-rust coatings on the metal surface can effectively prevent the direct invasion of various corrosive substances in the atmosphere, so as to maximize the extension of the service life of the metal. It can be divided into two categories: 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 iron red, aluminum powder, graphite antirust paint, etc.; the latter relies on the chemical antirust effect of antirust pigments, such as red Dan, zinc yellow antirust paint, etc. Used for rust prevention of bridges, ships, pipeli...

Claims

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Application Information

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IPC IPC(8): C09D167/08C09D161/06C09D5/10C09D5/08C09D5/18C09D7/12
CPCC09D167/08C08L2201/02C08L2201/08C09D5/084C09D5/103C09D5/18C09D7/61C09D7/63
Inventor 董芬芳
Owner 董芬芳
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