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Acid water-scrubbing silane treating agent and preparing method thereof

A technology of silane treatment agent and silane coupling agent, which is applied in coatings, anti-corrosion coatings, etc., can solve problems such as permanent damage and environmental pollution, and achieve the effect of saving time

Inactive Publication Date: 2017-05-31
河南恒润昌环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the surface treatment of metal plated parts generally adopts methods such as phosphating, vitrification or chromate conversion coating method. Phosphating technology is a commonly used method for metal surface treatment before surface coating. and nitrogen will cause serious pollution to the environment, and the heavy metals contained in the phosphating agent will also cause permanent damage to the human body. In addition, a large amount of residue generated by the phosphating bath needs to be sent to a place designated by the government for disposal, all of which will bring Additional cost, in view of the above problems, there is an urgent need for a water-soluble metal treatment agent that is environmentally friendly, environmentally friendly, excellent in hydrophilicity, and has a good film-forming effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The invention relates to an acidic water-washing silane treatment agent. According to parts by weight, the treatment agent consists of 1 part of silane coupling agent, 1 part of absolute ethanol and 55 parts of water as the main agent, and 1 part of fluozirconic acid and 0.5 parts of Triethanolamine is used as an auxiliary agent, and 0.5 parts of sodium nitrate is added as an accelerator, mixed and stirred.

[0022] Further, according to parts by weight, the main ingredient also includes 1 part of chitosan.

[0023] Further, according to parts by weight, the main ingredient also includes 1-3 parts of dibutyl diformate.

[0024] Further, according to parts by weight, the auxiliary agent also includes 1.2 parts of cellulose ether.

[0025] A preparation method of an acidic water washing silane treatment agent, comprising the following steps:

[0026] Step 1, under normal temperature and pressure, take 1 part of silane coupling agent, 1 part of absolute ethanol and 55 pa...

Embodiment 2

[0030] An acidic water-washing silane treatment agent, according to parts by weight, the treatment agent consists of 9 parts of silane coupling agent, 9 parts of absolute ethanol and 90 parts of water as the main agent, and 9 parts of fluozirconic acid and 5 parts of triethanolamine as the main agent. Adjuvant, and add 5 parts of sodium nitrate as accelerator and mix and stir.

[0031] Further, according to parts by weight, the main ingredient also includes 5 parts of chitosan.

[0032] Further, according to parts by weight, the main ingredient also includes 3 parts of dibutyl diformate.

[0033] Further, according to parts by weight, the auxiliary agent also includes 2.5 parts of cellulose ether.

[0034] A preparation method of an acidic water washing silane treatment agent, comprising the following steps:

[0035] Step 1, under normal temperature and pressure, take 9 parts of silane coupling agent, 9 parts of absolute ethanol and 90 parts of water, mix and stir for 50 min...

Embodiment 3

[0039] An acidic water-washing silane treatment agent, according to parts by weight, the main agent is composed of 5 parts of silane coupling agent, 5 parts of absolute ethanol and 77 parts of water, and the auxiliary agent is composed of 5 parts of fluozirconic acid and 4 parts of three Ethanolamine composition, described accelerator is 4 parts of sodium nitrate.

[0040] Further, according to parts by weight, the main ingredient also includes 3 parts of chitosan.

[0041] Further, according to parts by weight, the main ingredient also includes 2 parts of dibutyl diformate.

[0042] Further, according to parts by weight, the auxiliary agent also includes 1.9 parts of cellulose ether.

[0043] A preparation method of an acidic water washing silane treatment agent, comprising the following steps:

[0044] Step 1, under normal temperature and pressure, take 5 parts of silane coupling agent, 5 parts of absolute ethanol and 77 parts of water, mix and stir for 40 minutes to obtai...

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PUM

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Abstract

The invention discloses an acid water-scrubbing silane treating agent and a preparing method thereof. The acid water-scrubbing silane treating agent is prepared from, by mixing and stirring, by weight, 1-9 parts of silane coupling agent, 1-9 parts of absolute ethyl alcohol, 55-90 parts of water, 1-9 parts of hexafluorozirconic acid, 0.5-5 parts of triethanolamine, and 0.5-5 parts of sodium nitrate, wherein the silane coupling agent, absolute ethyl alcohol and water are adopted as principal agents, hexafluorozirconic acid and triethanolamine are adopted as auxiliaries, and sodium nitrate is adopted as an accelerator. The acid water-scrubbing silane treating agent has a good film-forming effect, does not contain phosphorous and heavy metal, and is more environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of metal surface treatment, in particular to an acidic water washing silane treatment agent and a preparation method thereof. Background technique [0002] One of the main causes of electrochemical corrosion of metals is due to the contact of the surface with the electrolyte solution or the humid atmosphere, resulting in various corrosion primary cells. Accordingly, by changing the state of the metal surface, the metal surface can be isolated from the corrosive environment to prevent corrosion. At present, the surface treatment of metal plated parts generally adopts methods such as phosphating, vitrification or chromate conversion coating method. Phosphating technology is a commonly used method for metal surface treatment before surface coating. and nitrogen will cause serious pollution to the environment, and the heavy metals contained in the phosphating agent will also cause permanent damage to the human ...

Claims

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Application Information

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IPC IPC(8): C09D5/08C09D183/04C09D7/12C09D7/00
CPCC08L2205/03C09D5/08C09D183/04C09D7/20C09D7/61C09D7/63C09D7/65C08L1/26C08L5/08C08K13/02C08K3/24C08K5/19C08K3/28C08K5/101
Inventor 史学斌
Owner 河南恒润昌环保科技有限公司