Neutral silane treating agent and preparation method and application thereof

A technology of silane treatment agent and silane coupling agent, which is applied in the coating process of metal materials, etc., can solve the problems of easy rusting of workpieces, poor process adaptability, harsh process conditions, etc., and achieve simple use method and shorten processing time , good effect of salt spray performance

Active Publication Date: 2021-03-26
佛山市顺德区美硕金属表面技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the silane treatment technology has the defects that the workpiece is easy to rust, the process conditions are harsh, and the process adaptability is not strong

Method used

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  • Neutral silane treating agent and preparation method and application thereof
  • Neutral silane treating agent and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] This embodiment provides a preparation method of a neutral silane treatment agent and the neutral silane treatment agent prepared by this method.

[0053] The preparation method of neutral silane treatment agent specifically comprises the following steps carried out in sequence:

[0054] Add 29 parts of ammonium citrate and 18 parts of sodium nitrate to 300 parts of water, slowly add 76 parts of N-(β-aminoethyl)-γ-aminopropyltrimethyl(ethyl)oxysilane while stirring, and stir for 0.5h Until the solute is completely dissolved, then add 5 parts of acrylic resin, stir for 0.5h, then add 3 parts of sodium tripolycarboxylate, stir and mix well, and finally add 569 parts of water to obtain a neutral neutral silane treatment agent.

[0055] The application method of the neutral silane treatment agent includes: at normal temperature (25°C±3°C), put the iron parts whose surface has been cleaned of oil into a container containing the neutral silane treatment agent, soak for 1.5 minu...

Embodiment 2

[0057] This embodiment provides a preparation method of a neutral silane treatment agent and the neutral silane treatment agent prepared by this method.

[0058] The preparation method of neutral silane treatment agent specifically comprises the following steps carried out in sequence:

[0059] Add 27 parts of ammonium citrate and 18 parts of sodium nitrate to 300 parts of water, slowly add 72 parts of N-(β-aminoethyl)-γ-aminopropyltrimethyl(ethyl)oxysilane while stirring, stir 0.5h until the solute is completely dissolved, then add 6 parts of acrylic resin, stir for 0.5h, then add 2 parts of sodium tripolycarboxylate, stir and mix well, and finally add 575 parts of water to obtain a neutral silane treatment agent.

[0060] The application method of the neutral silane treatment agent includes: at normal temperature, put the iron parts cleaned of surface oil into a container containing the neutral silane treatment agent, soak them for 1.5 minutes, take them out and place them i...

Embodiment 3

[0062] This embodiment provides a preparation method of a neutral silane treatment agent and the neutral silane treatment agent prepared by this method.

[0063] The preparation method of neutral silane treatment agent specifically comprises the following steps carried out in sequence:

[0064] Add 25 parts of ammonium citrate and 17 parts of sodium nitrate to 300 parts of water, slowly add 72 parts of N-(β-aminoethyl)-γ-aminopropyltrimethyl(ethyl)oxysilane while stirring, stir 0.5h until the solute is completely dissolved, then add 7 parts of acrylic resin, stir for 0.5h, then add 4 parts of benzotriazole, stir and mix well, and finally add 575 parts of water to obtain a neutral silane treatment agent.

[0065] The application method of the neutral silane treatment agent includes: at normal temperature, put the iron parts cleaned of surface oil into a container containing the neutral silane treatment agent, soak them for 1.5 minutes, take them out and place them in an oven fo...

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Abstract

The invention discloses a neutral silane treating agent and a preparation method and application thereof, and relates to the technical field of metal corrosion prevention. Every 1000 parts of raw materials comprise the following components in parts by weight: 0.1-100 parts of a silane coupling agent, 0.1-30 parts of an oxidizing agent, 0.1-20 parts of a sealing agent, 0.1-20 parts of an adhesion promoter and the balance water. The neutral silane treating agent is excellent in corrosion resistance and good in salt spray performance. After the neutral silane treating agent is sprayed, the impact, grid drawing and bending properties of a workpiece are good. The neutral silane treating agent does not contain any heavy metals or harmful substances, does not contain acid-base components, and isenvironmentally friendly. A use method of the neutral silane treating agent is simple, heating is not needed during use, energy loss can be effectively reduced, operation is easy and convenient, and the treatment time can be shortened.

Description

technical field [0001] The invention relates to the technical field of metal anticorrosion, in particular to a neutral silane treatment agent and its preparation method and application. Background technique [0002] Metal surface treatment technologies mainly include: phosphate conversion, chromate passivation surface treatment technology, vitrification process and silane treatment technology. Because the neutral silane treatment agent does not contain heavy metals and phosphate ions, does not require heating, has low energy consumption, short treatment time and simple operation, it is widely used and has a good development prospect. [0003] At present, the silane treatment technology has the defects that the workpiece is easy to rust, the process conditions are harsh, and the process adaptability is not strong. [0004] In view of this, the present invention is proposed. Contents of the invention [0005] The object of the present invention is to provide a neutral sila...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/68
CPCC23C22/68C23C2222/20
Inventor 翁叶炯文丰正
Owner 佛山市顺德区美硕金属表面技术有限公司
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