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Passivating treating agent for environment-friendly galvanized steel sheets

A galvanized steel sheet and passivation treatment technology, applied in the direction of metal material coating process, can solve the problems of high drying temperature, complex production process, short storage period, etc., and achieve low drying temperature, good working performance, and simple production process. Effect

Inactive Publication Date: 2010-06-09
QIDONG SYNTHESIZE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing galvanized steel sheet treatment agent has complex production process, short storage period, high drying temperature (70-80°C), unsatisfactory work performance, and its salt spray test performance is not more than 5% in 96 hours

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Add silane to pure water until the hydrolysis is complete, then add anti-rust metal salt, resin, paint additive, pH regulator in sequence, and mix evenly to obtain an environmentally friendly galvanized steel passivation treatment agent product.

[0022] The consumption (percentage by weight) of above-mentioned each component is:

[0023] Silane 8.5%

[0024] Anti-rust metal salt 2%

[0025] Resin 18%

[0026] Paint Additive 0.5%

[0027] pH regulator 1%

[0028] Water 70%.

[0029] Silane is N-(2-aminoethyl)-3-aminopropylmethyldimethoxysilane [or 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane, 3-glycidyl ether propylmethyldimethoxysilane, 3-glycidyl ether propyltrimethoxysilane, 3-aminopropyltriethoxysilane, N-(2-aminoethyl)-3-aminopropyl One or more of trimethoxysilane].

[0030] Anti-rust metal salt is metal manganese sulfate (or one or more of the salts of magnesium, nickel, molybdenum, tungsten, hafnium, aluminum, zirconium, tin, titanium, cesium, boron, vanad...

Embodiment 2

[0035] The weight percent of each component is:

[0036] Silane 18%

[0037] Anti-rust metal salt 1%

[0038] Resin 10%

[0039] Paint Additives 3%

[0040] pH regulator 4%

[0041] Water 64%.

[0042] All the other are with embodiment 1.

Embodiment 3

[0044] The weight percent of each component is:

[0045] Silane 5%

[0046] Anti-rust metal salt 4%

[0047] Resin 20%

[0048] Paint Additives 5%

[0049] pH regulator 5%

[0050] Water 61%.

[0051] All the other are with embodiment 1.

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PUM

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Abstract

The invention discloses a passivating treating agent for environment-friendly galvanized steel sheets, which is composed of 2-20% of silane, 1-5% of anti-rusting metal salt, 8-20% of resin, 0.1-5% of coating additive, 0.5-5% of pH regulating agent and 50-70% of water. The passivating treating agent features in simple and convenient preparation process and mainly depends on mixing production; drying temperature thereof is as low as 50-60 DEG C, in 96 hours, salt mist resistance property is no more than 3% and performance thereof is good.

Description

Technical field: [0001] The invention relates to a passivation treatment agent for galvanized steel sheets. Background technique: [0002] The existing treatment agent for galvanized steel sheet has complex production process, short storage period, high drying temperature (70-80°C), unsatisfactory work performance, and its resistance to salt spray test performance is not more than 5% in 96 hours. Invention content: [0003] The object of the present invention is to provide an environment-friendly passivation treatment agent for galvanized steel sheets which is easy to produce and has good working performance. [0004] Technical solution of the present invention is: [0005] An environment-friendly galvanized steel plate passivation treatment agent is characterized in that: it is composed of the following components by weight percentage: [0006] Silane 2~20% [0007] Anti-rust metal salt 1~5% [0008] Resin 8~20% [0009] Paint additive 0.1~5% [0010] pH adjuster 0....

Claims

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Application Information

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IPC IPC(8): C23C22/06
Inventor 林兴国常建忠
Owner QIDONG SYNTHESIZE CHEM
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