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Metal pipe and production method of same

A metal pipe and body technology, applied in the field of pipes, can solve the problem of poor corrosion resistance of the coating, and achieve the effects of heat resistance, improved hydrolysis stability, good bonding strength, and rapid response

Inactive Publication Date: 2017-12-22
浙江程力管业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing coatings do not have good corrosion resistance, so the existing coatings need to increase the corrosion resistance

Method used

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  • Metal pipe and production method of same
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A metal pipeline includes a metal pipeline body and an anti-corrosion coating; the metal pipeline body is commercially available from China Baowu Steel Group Co., Ltd. According to the weight of the chemical composition, the metal pipe body contains 4.5 parts of Cu, 1.5 parts of Mn, 1.5 parts of Ti, 90 parts of Al, and 5 parts of Zn;

[0032] The anti-corrosion coating includes 10 parts of bisphenol A-epichlorohydrin type epoxy resin, 40 parts of N-methylpyrrolidone, 5 parts of butanone, 5 parts of pigment mixed with zinc particles, 20 parts of zinc phosphomolybdate, zinc oxide 20-40 parts, 50 parts of ethyl acetate, 40 parts of polyurethane adhesive, 60 parts of graphite powder, 10 parts of propylene oxide butyl ether, 20 parts of polyaniline, nano-CaCO 3 5 parts, nano-SiO 2 5 servings. The particle size of the above-mentioned polyaniline is selected as 600 mesh. The above polyurethane adhesives are commercially available. The above-mentioned pigments are commercia...

Embodiment 2

[0039] A metal pipeline includes a metal pipeline body and an anti-corrosion coating; the metal pipeline body is commercially available. According to the weight of the chemical composition, the metal pipe body contains 5 parts of Cu, 2 parts of Mn, 2 parts of Ti, 92 parts of Al, and 6 parts of Zn;

[0040] The anti-corrosion coating includes 12 parts of bisphenol A-epichlorohydrin type epoxy resin, 45 parts of N-methylpyrrolidone, 6 parts of butanone, 6 parts of pigment mixed with zinc particles, 25 parts of zinc phosphomolybdate, zinc oxide 25 parts, 50 parts of ethyl acetate, 40 parts of polyurethane adhesive, 60 parts of graphite powder, 12 parts of propylene oxide butyl ether, 23 parts of polyaniline, nano-CaCO 3 6 parts, nano-SiO 2 6 servings. The particle size of the above-mentioned polyaniline is selected as 600 mesh. The above polyurethane adhesives are commercially available. The above-mentioned pigments are commercially available. The weight of the zinc particle...

Embodiment 3

[0047] A metal pipeline includes a metal pipeline body and an anti-corrosion coating; the metal pipeline body is commercially available. According to the weight of the chemical composition, the metal pipe body contains 5 parts of Cu, 2 parts of Mn, 2 parts of Ti, 93 parts of Al, and 8 parts of Zn;

[0048] The anti-corrosion coating includes 15 parts of bisphenol A-epichlorohydrin type epoxy resin, 50 parts of N-methylpyrrolidone, 8 parts of butanone, 8 parts of pigment mixed with zinc particles, 30 parts of zinc phosphomolybdate, zinc oxide 30 parts, 50 parts of ethyl acetate, 40 parts of polyurethane adhesive, 60 parts of graphite powder, 15 parts of propylene oxide butyl ether, 25 parts of polyaniline, nano CaCO 3 8 parts, nano-SiO 2 8 servings. The particle size of the above-mentioned polyaniline is selected as 600 mesh. The above polyurethane adhesives are commercially available. The above-mentioned pigments are commercially available. The weight of the zinc particle...

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Abstract

The invention discloses a metal pipe and a production method of same. A main body of the metal pipe includes, by weight, 4.5-6 parts of Cu, 1.5-2.5 parts of Mn, 1.5-2.5 parts of Ti, 90-95 parts of Al and 5-10 parts of Zn. The inner side wall of the main body of the metal pipe is coated with an anticorrosion coating which includes, by weight, 10-30 parts of bisphenol A-epoxy chloropropane type epoxy resin, 40-60 parts of N-methyl pyrrolidone, 5-10 parts of butanone, 5-10 parts of a pigment, 20-40 parts of zinc phosphomolybdate, 20-40 parts of zinc oxide, 50 parts of ethyl acetate, 40 parts of a polyurethane adhesive, 60 parts of graphite powder, 10-20 parts of epoxypropane butyl ether, and 20-30 parts of polyaniline. The main body of the metal pipe is free of being swelled, dissolved, damaged and decomposed by a corrosive medium.

Description

technical field [0001] The invention relates to a pipeline, in particular to a metal pipeline and a preparation method thereof. Background technique [0002] Corrosion is one of the main causes of damage and failure of metal pipelines. There are two main types of environments that cause corrosion of metal materials: one is the natural environment, such as the natural atmosphere, ocean, soil and other weak corrosion environments; the other is the industrial environment, such as highly corrosive industrial gases and industrial solutions. In the corrosion of natural environment, the corrosion type belongs to electrochemical corrosion and biochemical corrosion, the effect is weak, the corrosion speed is slow, the short-term corrosion damage is small, but the potential damage is relatively large; and if it is used for highly corrosive industrial gases, When used in solution environment and sewage discharge, the corrosion type belongs to chemical corrosion and biochemical corrosi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/10C09D7/12C22C21/10
CPCC09D175/04C08K2003/0893C08K2003/2241C08K2003/2296C08K2003/265C08K2201/011C08L2201/08C08L2203/18C08L2205/03C09D5/106C22C21/10C08L63/00C08L79/02C08K13/02C08K3/26C08K3/36C08K3/04C08K3/22C08K3/08C08K3/32
Inventor 章方明项攀
Owner 浙江程力管业有限公司
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