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Polyurethane paint with strong adhesive and preparation method thereof

A polyurethane coating with strong adhesion technology, applied in polyurea/polyurethane coatings, anti-corrosion coatings, coatings, etc., can solve problems such as poor anti-corrosion effects, and achieve strong salt water resistance, high adhesion, and firm bonding Effect

Inactive Publication Date: 2018-11-30
黄春梅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The paint film prepared by this polyurethane coating has intentional surface hardness, thermal stability, weather resistance and chemical resistance, but the anti-corrosion effect is still not good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The polyurethane coating with strong adhesion of the present embodiment is prepared from the following raw materials in parts by weight: 40 parts of acetone, 120 parts of sodium hydroxide solution, 6 parts of anhydrous zinc chloride, 25 parts of n-butyraldehyde, cyclohexane 300 parts, 30 parts of anhydrous magnesium sulfate, 25 parts of succinic anhydride, 15 parts of diethylene glycol, 12 parts of terephthalic acid, 6 parts of dipropylene glycol, 15 parts of palm oil, 8 parts of p-phenylenediamine, methylene 12 parts of base silicone oil, 10 parts of phthalic anhydride, 3 parts of 2,2-azobis(methylbutyronitrile), 12 parts of hydroxyethyl acrylate, 20 parts of methacrylic acid, 20 parts of nano calcium carbonate, 15 parts of hydroxyapatite, 4 parts of 4-methyl-6-tert-butylphenol, 10 parts of propylene glycol methyl ether, 4 parts of benzyltriethylammonium chloride, 25 parts of dimethylethanolamine, diphenylmethane 70 parts of isocyanate, appropriate amount of hydrochlor...

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PUM

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Abstract

The invention provides a polyurethane paint with strong adhesive which is characterized by being prepared from the raw materials in parts by weight; acetone, sodium hydroxide solution, anhydrous zincchloride, n-butanal, cyclohexane, anhydrous magnesium sulfate, succinic anhydride, diethylene glycol, terephthalic acid, dipropylene glycol, palm oil, p-phenylenediamine, methylene silicone oil, phthalic anhydride, 2,2'-azobisisovaleronitrile, hydroxyethyl acrylate, methacrylic acid, nano calcium carbonate, hydroxyapatite, 4-methyl-6-tert-butylphenol, propylene glycol monomethyl ether, benzyltriethylammonium chloride, dimethylethanolamine, methylene diphenyl diisocyanate, a defined amount of hydrochloric acid solution and a defined amount of deionized water. The polyurethane paint is firm in binding, uniform in thickness, strong in salt-water resistance, good in wear resistance and anti-corrosion performance, is non-toxic and environment-friendly and the like.

Description

technical field [0001] The invention relates to the field of anticorrosion coatings, in particular to a polyurethane coating with strong adhesion and a preparation method thereof. Background technique [0002] Ductile iron pipes are mainly called centrifugal ductile iron pipes, which have the characteristics of iron essence, steel performance, good ductility, good sealing effect, and easy installation. In recent years, with the continuous expansion of urbanization, the demand for pipes, especially large-diameter pipes, has been increasing, and it has played an increasingly important role in the transformation of water supply pipelines and pipe networks in major cities at home and abroad. As these projects The preferred material for engineering is widely used in urban construction projects such as water transmission and gas transmission, providing a huge market for the ductile iron pipe industry. However, the transportation of urban sewage, natural gas and other substances h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D7/61C09D5/08C08G18/42C08G18/67
CPCC09D175/14C08G18/4288C08G18/672C08K2003/265C08K2003/325C08K2201/011C09D5/08C09D7/61C08K3/26C08K3/32
Inventor 不公告发明人
Owner 黄春梅
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