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Silicate reinforced polyurethane coating and preparation method thereof

A polyurethane coating and silicate technology, applied in polyurea/polyurethane coatings, anti-corrosion coatings, coatings, etc., can solve problems such as poor anti-corrosion effects, achieve good physical shielding performance, strong salt water resistance, and increase the penetration distance Effect

Inactive Publication Date: 2018-11-09
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 the polyurethane coating has excellent 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

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Embodiment Construction

[0014] The silicate-enhanced polyurethane coating of this 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 of alkane, 30 parts of anhydrous magnesium sulfate, 25 parts of pyromellitic dianhydride, 15 parts of 1,2-propanediol, 12 parts of terephthalic acid, 20 parts of montmorillonite, 15 parts of talc powder, sodium tripolyphosphate 6 parts, 8 parts of γ-(2,3-epoxypropoxy)propyltrimethoxysilane, 120 parts of absolute ethanol, 150 parts of butanediamine, 10 parts of acrylonitrile, 5 parts of ferric chloride, 1-butyl 8 parts of base-3-methylimidazolium hexafluorophosphate, 4 parts of N-phenyl-N'-isopropyl-p-phenylenediamine, 10 parts of propylene glycol butyl ether, 4 parts of N,N'-lutidine parts, 25 parts of triethylamine, 70 parts of diphenylmethane diisocyanate, appropriate amount of hydrochloric acid so...

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PUM

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Abstract

A silicate-reinforced polyurethane coating is characterized in that the polyurethane coating is prepared from the following ingredients in parts by weight: acetone, sodium hydroxide solution, anhydrous zinc chloride, n-butylaldehyde, cyclohexane, anhydrous magnesium sulfate, benzenetetracarboxylic anhydride, 1,2-propylene glycol, terephthalic acid, montmorillonite, talcum powder, sodium tripolyphosphate, silane coupler KH-560, absolute ethyl alcohol, butanediamine, acrylonitrile, ferric chloride, 1-butyl-3-methylimidazolium hexafluorophosphate, N-phenyl-N'-isopropyl-p-phenylenediamine, propylene glycol butyl ether, N,N'-lutidine, triethylamine, methylene diphenyl diisocyanate, appropriate amount of hydrochloric acid solution and appropriate amount of deionized water. The polyurethane coating hereof has the advantages of firm coating bonding, uniform thickness, strong salt water resistance, good wear resistance, good anti-corrosion performance, non-toxicity and environmental protectionand the like.

Description

technical field [0001] The invention relates to the field of anticorrosion coatings, in particular to a silicate reinforced polyurethane coating 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 ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/08C08G18/32
CPCC09D175/04C08G18/3203C09D5/08C08K9/06C08K9/04C08K7/00C08K3/346C08K3/34
Inventor 不公告发明人
Owner 黄春梅
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