Silane treating agent for metal surfaces

A silane treatment agent and metal surface technology, which is applied in the coating process of metal materials, etc., can solve the problems of inconvenient transportation, storage, lack of concentration characteristics, and poor environmental compatibility, so as to prevent the generation of sediment, improve performance, and save storage space. The small effect

Active Publication Date: 2015-11-25
杭州易博乐科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the field of metal surface treatment, although the traditional phosphate conversion and chromate passivation surface treatment technologies can achieve good results, the above two treatment methods have major defects: poor en

Method used

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  • Silane treating agent for metal surfaces
  • Silane treating agent for metal surfaces
  • Silane treating agent for metal surfaces

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The formula composition of metal surface silane treatment agent: 25 parts of N-(β-aminoethyl-γ-aminopropyl) methyldimethoxysilane, 30 parts of ethyl cellulose, 7 parts of sodium citrate, 15 parts of purified water share.

[0018] Table 1, the working fluid technical index of embodiment one

[0019]

[0020] Table 2, the performance index of the film layer formed on the surface of 08f steel in embodiment one

[0021]

[0022] Table 3, the neutral salt spray resistance test table of the iron parts after the treatment of embodiment one

[0023]

Embodiment 2

[0025] The formula composition of metal surface silane treatment agent: 25 parts of N-(β-aminoethyl-γ-aminopropyl) methyldimethoxysilane, 25 parts of methyl cellulose, 6 parts of sodium citrate, 19 parts of purified water share.

[0026] Table 4, the working fluid technical index of embodiment two metal surface silane treatment agents

[0027]

[0028] Table 5, the performance index of the film layer formed on the surface of 08f steel in embodiment two

[0029]

[0030] Table 6, six performance test tables of the aluminum sample plate after the treatment of embodiment two

[0031]

Embodiment 3

[0033] The formula composition of metal surface silane treatment agent: 27 parts of N-(β-aminoethyl-γ-aminopropyl) methyldimethoxysilane, 20 parts of ethyl cellulose, 7 parts of sodium citrate, 15 parts of purified water share.

[0034] Table 7, the working fluid technical index of embodiment three

[0035]

[0036] Table 8, the performance index of the film layer formed on the surface of 08f steel in embodiment three

[0037]

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Abstract

The invention discloses a silane treating agent for metal surfaces. The silane treating agent is composed of, by weight, 20-30 parts of silane coupling agents, 20-30 parts of film-forming agents, 5-7 parts of complexing agents and 15-30 parts of purified water. According to the silane treating agent, the film-forming agents are thickening agents, and the complexing agents are sodium citrate, so that the silane treating agent has superior environment-friendly properties such as high ageing, hyper concentration, low carbon, energy conservation and no residue, phosphorus, zinc, chromium, fluorine or zirconium; a silane film has good effects of corrosion resistance property and adhesion property.

Description

technical field [0001] The present invention relates to a silane treatment agent, more specifically, it relates to a metal surface silane treatment agent. Background technique [0002] In the field of metal surface treatment, although the traditional phosphate conversion and chromate passivation surface treatment technologies can achieve good results, the above two treatment methods have major defects: poor environmental compatibility and high cost of use. Environmental hazards: phosphating contains zinc, manganese, nickel and other heavy metal ions and a large amount of phosphorus, and nitrite is used as an accelerator in the production and use process, which is a serious carcinogen. Chromium treatment itself contains seriously toxic chromium (Ⅵ). Due to the promulgation of regulations on the danger of heavy metals, chromium (Ⅵ)-containing treatment methods will be banned in many fields (the European Union has completely banned chromium in July 2007. (Ⅵ) Use in metal surfa...

Claims

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Application Information

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IPC IPC(8): C23C22/68
Inventor 夏中选
Owner 杭州易博乐科技有限公司
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