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Titanium nanometer polymer alloy coating material and application method thereof

A technology of polymer alloys and coating materials, applied in coatings, anti-corrosion coatings, polyether coatings, etc., can solve the problem of accelerated chemical corrosion and deposition of downhole drilling tools, pipe strings, pipelines, and above-ground oil and gas pipelines, containers and storage tanks Scaling, shortening the service life of mining equipment, and increasing the cost of oil and gas field extraction, etc., to achieve the effect of high compactness, increased brittleness, and strong toughness

Active Publication Date: 2014-06-25
IANGSU JINLING SPECIAL PAINT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the strong penetration of hot steam at high temperature (80-250°C) and high pressure (>5MPa), coupled with various corrosive media in crude oil and sewage (such as SO 4 2- , NO 3 - , Cl - , F - 、CN - 、Ba + , Ca + etc.) and the erosion of harmful bacteria, which accelerate the chemical corrosion and deposition scaling of downhole drilling tools, pipe strings, pipelines and aboveground oil and gas pipelines, containers and storage tanks in oil and gas fields, which not only shortens the service life of mining equipment, but also results in a decrease in the cost of oil and gas field mining. increase, and seriously affect the normal production of enterprises

Method used

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  • Titanium nanometer polymer alloy coating material and application method thereof
  • Titanium nanometer polymer alloy coating material and application method thereof
  • Titanium nanometer polymer alloy coating material and application method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Primer and topcoat of embodiment 1 shallow well tubing coating

[0030] Primer: in parts by weight, 20 parts of nano-organic titanium imide copolymer resin, 20 parts of 128 epoxy resin (commercially available), 5 parts of A747 methyl etherified amino resin (Zhejiang Xinhua Resin Factory), BMI-1 Shuangma 3 parts of imide resin (Hubei Honghu Tianma Synthetic Material Factory), 3 parts of active zinc oxide (commercially available), 5 parts of J-40Y liquid nitrile rubber (commercially available), 1 each of F108 dispersant and F118 anti-sedimentation agent (Zhejiang Linan Auxiliary Factory), 1 part of soybean lecithin, 0.5 parts of defoamer and leveling agent, 1 part of organobentonite, 3 parts of N-methylpyrrolidone, 5 parts of dimethylformamide, methyl iso 4 parts of butyl ketone, weighed and mixed in the container according to the above sequence, dispersed with a high-speed disperser for 20 minutes, moved to a sand mill to grind to a fineness of less than 15 μm, returned ...

Embodiment 2

[0032] Primer and topcoat of embodiment 2 deep well tubing coating

[0033]Primer: in parts by weight, 20 parts of titanium nanometer fluorine-containing polyaryletherketone copolymer resin, 20 parts of 128 epoxy resin, 5 parts of A747 methyl etherified amino resin, 3 parts of BMI-1 bismaleimide resin, 3 parts of active zinc oxide, 1 part of F108 dispersant, 1 part of F118 anti-settling agent, 1 part of soybean lecithin, 0.5 parts of defoaming agent and leveling agent, 1 part of organic bentonite, 3 parts of N-methylpyrrolidone, two 5 parts of methyl formamide, 4 parts of methyl isobutyl ketone, 40 parts of ultrafine zinc powder. Processing technology is identical with the primer preparation method of embodiment 1.

[0034] Topcoat: in parts by weight, 30 parts of titanium nanometer fluorine-containing polyaryletherketone copolymer resin, 40 parts of 128 epoxy resin, 8 parts of A747 methyl etherified amino resin, 5 parts of BMI-1 bismaleimide resin, 5 parts of liquid fluoror...

Embodiment 3

[0038] The application method of embodiment 3 titanium nano-polymer alloy coating material

[0039] ①Surface treatment: Use a small-caliber pipe shot blasting machine to perform sandblasting or shot blasting on the inner and outer walls of the steel pipe. The weight control must meet the national standard of Sa2.5, so that the surface of the steel pipe is free of rust and scale, and the steel color is exposed.

[0040] ② In-pipe primer coating: use a high-pressure airless sprayer to coat a primer with a wet film thickness of about 100 μm, enter the oven for flash drying, and control the oven temperature at 100-120°C and leave the oven for 10-15 minutes. The paint film is no longer sticky and has a certain strength, but it is not cured;

[0041] ③ "Wet-on-wet" topcoat coating: Use a pipeline inner coating machine to spray a topcoat with high-pressure airless spraying. The wet film thickness is controlled at 120-150 μm, and it is dried in an oven. After 20 minutes out of the ov...

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Abstract

The invention relates to a titanium nanometer polymer alloy coating material and an application method thereof. The titanium nanometer polymer alloy coating material comprises a primer which is composed of nanometer organic titanium imide copolymer resin, epoxy resin, methylated amino resin, bismaleimide resin powder, liquid acrylonitrile butadiene rubber, active zinc oxide, a coating auxiliary, N-methylpyrrolidinone, dimethylformamide, methyl isobutyl ketone and superfine zinc powder, and a finish which is composed of nanometer organic titanium imide copolymer resin, epoxy resin, methylated amino resin, bismaleimide resin powder, liquid acrylonitrile butadiene rubber, alpha-phase nanometer aluminum oxide, pigment carbon black, coating auxiliary, N-methylpyrrolidinone, dimethylformamide and methyl isobutyl ketone. The titanium nanometer polymer alloy coating material is more excellent in properties than imported products used at present, the protective service life of the material is prolonged by 2-3 times, and therefore, the maintenance cost of equipment and the cost of oil and gas exploitation are greatly reduced, and the titanium nanometer polymer alloy coating material satisfies customers.

Description

technical field [0001] The invention relates to the technical field of manufacturing special coatings, in particular to a titanium nano-polymer alloy coating material used for oil and gas field well pipe protection, and an application method of the titanium nano-polymer alloy coating material. Background technique [0002] The invention is an invention and innovation developed to solve the problem of corrosion of oil well pipes encountered in the exploitation of oil and gas fields. [0003] The exploitation of deep underground crude oil or natural gas requires complex geological conditions and corrosive environments. Due to the strong penetration of hot steam at high temperature (80-250°C) and high pressure (>5MPa), coupled with various corrosive media in crude oil and sewage (such as SO 4 2- , NO 3 - , Cl - , F - 、CN - 、Ba + , Ca + etc.) and the erosion of harmful bacteria, which accelerate the chemical corrosion and deposition scaling of downhole drilling tools...

Claims

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Application Information

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IPC IPC(8): C09D179/08C09D163/00C09D161/32C09D109/02C09D7/12C09D5/10C09D171/10C09D127/12B05D7/22B05D3/02B05D3/12F16L58/10
Inventor 陈鼎张驰卞直兵戴海雄
Owner IANGSU JINLING SPECIAL PAINT CO LTD
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