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Anti-corrosion paint porticularly for petroleum storage tank and equipment

A technology of anti-corrosion paint and storage tank, which is applied in the field of anti-corrosion paint and anti-corrosion paint. It can solve the problems of easy foaming and cracking cycle, short service life, troublesome coating, etc., and achieve good mechanical and physical properties, long service life, and time-saving coating. labor-saving effect

Inactive Publication Date: 2004-04-28
张晓广 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many kinds of anticorrosive paints used in petroleum storage tanks and facilities in petrochemical, metallurgical and other industries, most of which have single functions, troublesome coating, high cost, and short service life. Defects such as bubble cracking and short cycle time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1 is an anticorrosion paint specially used for oil storage tanks and facilities. It is composed of two components A and B packaged in separate tanks. When used, the two tanks of A and B can be opened on site and mixed in a ratio of 1:1. After stirring evenly, settle for 10 minutes, then spray, brush or roll. Its characteristic is that component A is a moisture-curing polyurethane resin composed of isocyanate, polyether a, polyether b, epoxy resin, dioctyl or dibutyl ester, phosphoric acid and solvents, and component B is composed of coal tar pitch, cyclic Coal tar pitch resin composed of hexanone, toluene, solvent and additives, wherein the isocyanate is polymethylene polyphenyl isocyanate (PAPI) 400 # , The solvent is xylene, the polyether a is 330, the polyether b is 635, and the additive is aluminum powder. During preparation, 29.2 parts of polymethylene polyphenylisocyanate (PAPI) 400 # Put it into the reaction kettle with a pump, add 0.047 parts of pho...

Embodiment 2

[0027] Example 2 is an anti-corrosion paint specially used for petroleum storage tanks and facilities. It consists of A and B two-component group packaged in separate tanks. When in use, the two tanks of A and B can be opened on site and mixed and stirred evenly in a ratio of 1:1. Finally, settling for 10 minutes, then spray, brush or roll. Its preparation process is the same with embodiment 1. Its ingredients are:

[0028] (1) Component A moisture curing polyurethane resin solid content 48%

[0029] Polymethylene polyphenyl isocyanate (PAPI) 400 27.5 parts

[0030] Phosphoric acid (reagent type) 0.042 parts

[0031] Polyether 330 8.14 parts

[0032] Polyether 451 1.92 parts

[0033] Dioctyl 5.90 parts

[0034] Epoxy resin E-44 2.2 parts

[0035] SI000# 51 copies

[0036] (2). B component coal tar pitch resin solid content 61%

[0037] Coal tar pitch 61 parts

[0038] Cyclohexanone 13.5 parts

[0039] 12.1 parts of toluene

[0040] SI000# 10.2 parts

[0041] Alumi...

Embodiment 3

[0042] Embodiment 3 is an anti-corrosion paint specially used for petroleum storage tanks and facilities. It is composed of A and B two-component group packaged in separate tanks. When in use, the two tanks of A and B can be opened on site, and mixed and stirred evenly in a ratio of 1:1. Finally, settling for 10 minutes, then spray, brush or roll. Its preparation process is the same with embodiment 1. Its ingredients are:

[0043] (1). Moisture-curing polyurethane resin, component A, solid content 52%

[0044] Polymethylene polyphenyl isocyanate (PAPI) 400 28.5 parts

[0045] Phosphoric acid (reagent type) 0.045 parts

[0046] Polyether 330 8.54 parts

[0047] Polyether 451 2.0 parts

[0048] Dioctyl 6.24 parts

[0049] Epoxy resin E-44 2.48 parts

[0050] Xylene 52 parts

[0051] (2). B component coal tar pitch resin solid content 62%

[0052] Coal tar pitch 62 parts

[0053] Cyclohexanone 14.28 parts

[0054] Toluene 12.54 parts

[0055] Xylene 9.88 parts

[0056]...

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PUM

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Abstract

The present invention relates to high molecular compound, and the anti-corrosive paint specially for petroleum storage tank and apparatus includes two separately canned components, component A and component B. The component A is wet cured polyurethane resin comprising isocyanate, polyether a, polyether b, epoxy resin, dioctyl ester or dibutyl ester, phosphoric acid and solvent. The component B is coal-tar pitch resin comprising coal-tar pitch, cyclohexanone, toluene, solvent and additive. The present invention has the beneficial effects of thin coating, low cost, easy coating, long service life, high anticorrosive effect, high mechanical and physical performace, excellent temperature tolerance, ultraviolet ray resistance and ageing resistance, etc.

Description

Technical field [0001] The invention relates to an anti-corrosion paint, in particular to an anti-corrosion paint specially used for petroleum storage tanks and facilities, and belongs to the category of polymer compounds. It is suitable for anticorrosion of equipment in chemical industry, metallurgy and other industries. Background technique [0002] Currently. There are many kinds of anticorrosive paints used in petroleum storage tanks and facilities in petrochemical, metallurgical and other industries, most of which have single functions, troublesome coating, high cost, and short service life. Defects such as bubble cracking and short cycle time. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a kind of anticorrosion paint specially used in petroleum storage tanks and facilities by improving the formula. Strong adhesion, good flexibility, high hardness, strong fricti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/08C09D175/04C09D195/00
Inventor 张晓广孙锡宁
Owner 张晓广
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