CN111663133A - Silane treatment fluid and preparation method thereof - Google Patents
Silane treatment fluid and preparation method thereof Download PDFInfo
- Publication number
- CN111663133A CN111663133A CN201910166590.8A CN201910166590A CN111663133A CN 111663133 A CN111663133 A CN 111663133A CN 201910166590 A CN201910166590 A CN 201910166590A CN 111663133 A CN111663133 A CN 111663133A
- Authority
- CN
- China
- Prior art keywords
- silane
- silane treatment
- stirring
- water
- treatment liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a silane treating fluid, which comprises 10-30% of epoxy silane, 2-20% of oxalic acid and 60-80% of water, wherein the thickness of a silane film of a cold-rolled sheet formed by the cold-rolled sheet treated by the silane treating fluid is micron-sized and far thicker than the original nanometer-sized thickness, and the silane treating fluid can be placed in the air for at least 20 days without rusting.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of chemical industry, in particular to a silane treatment fluid and a preparation method thereof.
[ background of the invention ]
In the face of environmental protection pressure, the phosphating treatment of the cold-rolled sheet before coating is gradually replaced by a silane technology, but the silane has extremely poor corrosion resistance, a silane treatment film formed by the cold-rolled sheet can only be placed for 2 to 3 days generally, and the silane treatment film can rust in one day basically in plum rain season, so that the popularization and the use of the silane are greatly restricted.
Accordingly, there is a need to provide an improved silane treatment fluid and method of making the same that is a problem in the art that needs to be addressed.
[ summary of the invention ]
Aiming at the problems, the invention provides the silane treatment fluid and the preparation method thereof, and the silane treatment film has good bonding force with paint and strong corrosion resistance.
In order to solve the problems, the invention provides a silane treatment fluid, which comprises 10-30% of epoxy silane, 2-20% of oxalic acid and 60-80% of water.
Further, 25% of epoxy silane, 5% of oxalic acid and 70% of water.
In order to solve the above problems, the present invention also provides a method for preparing a silane treatment liquid, comprising the steps of: firstly, taking a certain amount of water, then adding epoxy silane, stirring while adding epoxy silane, finally adding a certain amount of oxalic acid after forming a uniform and clear solution, and stirring for a certain time.
Further, the stirring time during the addition of the epoxy silane is 1.5h-3 h.
Further, the stirring time after adding the oxalic acid is 25-35 min.
Compared with the prior art, the invention has the following advantages:
1. the thickness of the cold-rolled sheet silane film formed by the cold-rolled sheet treated by the silane treatment solution is micron-sized, is far thicker than the original nanometer-sized thickness, and can not rust after being placed in the air for at least 20 days.
2. The film layer formed by the silane treatment fluid has good binding force with paint, and the binding force of the paint after paint spraying reaches 0 grade or 1 grade.
[ description of the drawings ]
Is free of
[ detailed description ] embodiments
The silane treatment fluid comprises 10-30% of epoxy silane, 2-20% of oxalic acid and 60-80% of water, and the preparation method of the silane treatment fluid comprises the following steps: adding water into a stirring kettle, adding epoxy silane at normal temperature, adding epoxy silane into water while stirring for 2 hours, adding a certain amount of oxalic acid after a uniform and clear solution is formed, stirring for 30 minutes, and taking out of the kettle.
Coating silane treatment liquid with the concentration of 0.1-10% on the surface of the cold-rolled plate, wherein the treatment time is 30 s-10 min.
Example 1:
the silane treatment fluid comprises the following raw material components in percentage by weight: 25% of epoxy silane, 5% of oxalic acid and 70% of water, and the preparation method of the silane treatment fluid comprises the following steps: firstly, adding water into a stirring kettle, then adding epoxy silane into the water while stirring for 1.5 hours, finally adding a certain amount of oxalic acid after a uniform and clear solution is formed, stirring for 40 minutes, and taking out of the kettle. And adding water into the prepared silane treatment liquid to dilute the silane treatment liquid to the concentration of 5%, then coating the silane treatment liquid on the surface of the cold-rolled plate, wherein the treatment time is 3min, the treated cold-rolled plate does not rust after being placed in the air for 35 days, and the bonding force between the silane treatment liquid and the paint reaches 0 grade after the paint is sprayed on the surface of the cold-rolled plate treated by the silane treatment liquid.
Example 2:
the silane treatment fluid comprises the following raw material components in percentage by weight: 10% of epoxy silane, 20% of oxalic acid and 70% of water, and the preparation method of the silane treatment fluid comprises the following steps: firstly, adding water into a stirring kettle, then adding epoxy silane into the water while stirring for 3 hours, finally adding a certain amount of oxalic acid after a uniform and clear solution is formed, stirring for 35 minutes, and taking out of the kettle. And adding water into the prepared silane treatment liquid to dilute the silane treatment liquid to the concentration of 0.1%, then coating the silane treatment liquid on the surface of the cold-rolled plate, wherein the treatment time is 10min, the treated cold-rolled plate is not rusted after being placed in the air for 25 days, and after the surface of the cold-rolled plate treated by the silane treatment liquid is sprayed with paint, the bonding force between the silane treatment liquid and the paint reaches level 1.
Example 3:
the silane treatment fluid comprises the following raw material components in percentage by weight: 30% of epoxy silane, 2% of oxalic acid and 65% of water, and the preparation method of the silane treatment fluid comprises the following steps: firstly, adding water into a stirring kettle, then adding epoxy silane into the water while stirring for 2 hours, finally adding a certain amount of oxalic acid after a uniform and clear solution is formed, stirring for 38 minutes, and taking out of the kettle. And adding water into the prepared silane treatment liquid to dilute the silane treatment liquid to the concentration of 5%, then coating the silane treatment liquid on the surface of the cold-rolled plate, wherein the treatment time is 8min, the treated cold-rolled plate does not rust after being placed in the air for 20 days, and after the surface of the cold-rolled plate treated by the silane treatment liquid is sprayed with paint, the bonding force between the silane treatment liquid and the paint reaches level 1.
Example 4:
the silane treatment fluid comprises the following raw material components in percentage by weight: 30% of epoxy silane, 10% of oxalic acid and 60% of water, and the preparation method of the silane treatment fluid comprises the following steps: firstly, adding water into a stirring kettle, then adding epoxy silane into the water while stirring for 3 hours, finally adding a certain amount of oxalic acid after a uniform and clear solution is formed, stirring for 25 minutes, and taking out of the kettle. And adding water into the prepared silane treatment liquid to dilute the silane treatment liquid to the concentration of 2%, then coating the silane treatment liquid on the surface of a cold-rolled plate, wherein the treatment time is 30s, the treated cold-rolled plate does not rust after being placed in the air for 30 days, and after the surface of the cold-rolled plate treated by the silane treatment liquid is sprayed with paint, the bonding force between the silane treatment liquid and the paint reaches 0 grade.
Example 5:
the silane treatment fluid comprises the following raw material components in percentage by weight: 15% of epoxy silane, 5% of oxalic acid and 80% of water, and the preparation method of the silane treatment fluid comprises the following steps: firstly, adding water into a stirring kettle, then adding epoxy silane into the water while stirring for 2 hours, finally adding a certain amount of oxalic acid after a uniform and clear solution is formed, stirring for 30 minutes, and taking out of the kettle. And adding water into the prepared silane treatment liquid to dilute the silane treatment liquid to a concentration of 10%, then coating the silane treatment liquid on the surface of a cold-rolled plate, wherein the treatment time is 3min, the treated cold-rolled plate does not rust after being placed in the air for 28 days, and after the surface of the cold-rolled plate treated by the silane treatment liquid is sprayed with paint, the bonding force between the silane treatment liquid and the paint reaches 0 grade.
The invention has the advantages that:
1. the thickness of the cold-rolled sheet silane film formed by the cold-rolled sheet treated by the silane treatment solution is micron-sized, is far thicker than the original nanometer-sized thickness, and can not rust after being placed in the air for at least 20 days.
2. The film layer formed by the silane treatment fluid has good binding force with paint, and the binding force of the paint after paint spraying reaches 0 grade or 1 grade.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The silane treatment fluid is characterized by comprising 10-30% of epoxy silane, 2-20% of oxalic acid and 60-80% of water.
2. The silane treatment liquid according to claim 1, wherein the epoxy silane comprises 25% by weight of epoxy silane, 5% by weight of oxalic acid, and 70% by weight of water.
3. A method for producing the silane treatment liquid according to any one of claims 1 to 2, comprising the steps of: firstly, taking a certain amount of water, then adding epoxy silane, stirring while adding epoxy silane, finally adding a certain amount of oxalic acid after forming a uniform and clear solution, and stirring for a certain time.
4. The method of producing a silane treatment liquid according to claim 3, wherein the time for stirring when the epoxysilane is added is 1.5 hours to 3 hours.
5. The method of claim 3, wherein the stirring time after the oxalic acid is added is 25 to 35 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166590.8A CN111663133A (en) | 2019-03-06 | 2019-03-06 | Silane treatment fluid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166590.8A CN111663133A (en) | 2019-03-06 | 2019-03-06 | Silane treatment fluid and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111663133A true CN111663133A (en) | 2020-09-15 |
Family
ID=72381703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910166590.8A Pending CN111663133A (en) | 2019-03-06 | 2019-03-06 | Silane treatment fluid and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111663133A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215630A (en) * | 2013-04-23 | 2013-07-24 | 沈阳理工大学 | Method for sealing aluminum alloy anode oxide film pore by adopting organic-inorganic composite silica sol |
| CN104630765A (en) * | 2013-11-11 | 2015-05-20 | 安徽未来表面技术有限公司 | Environmental-protection type metal coating pre-treatment agent and preparation method thereof |
| CN106756976A (en) * | 2016-11-26 | 2017-05-31 | 浙江五源科技股份有限公司 | Silane compound and its application for chemical composition coating post processing |
-
2019
- 2019-03-06 CN CN201910166590.8A patent/CN111663133A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215630A (en) * | 2013-04-23 | 2013-07-24 | 沈阳理工大学 | Method for sealing aluminum alloy anode oxide film pore by adopting organic-inorganic composite silica sol |
| CN104630765A (en) * | 2013-11-11 | 2015-05-20 | 安徽未来表面技术有限公司 | Environmental-protection type metal coating pre-treatment agent and preparation method thereof |
| CN106756976A (en) * | 2016-11-26 | 2017-05-31 | 浙江五源科技股份有限公司 | Silane compound and its application for chemical composition coating post processing |
Non-Patent Citations (2)
| Title |
|---|
| 宣兆龙编著: "《装备环境工程 第2版》", 31 July 2015 * |
| 屠振密，李宁，朱永明编著: "《钛及钛合金表面处理技术和应用》", 30 November 2010 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101326308B (en) | Surface treatment for metal materials, surface treatment process, and surface- treated metal materials | |
| KR101080951B1 (en) | Process for coating metal sheet, especially zinc sheet | |
| CN104988485B (en) | A kind of environmentally friendly universal metal surface pretreatment liquid and application method | |
| EP1333107B1 (en) | Silane coatings for metals | |
| EP1524332A4 (en) | Surface-treated steel sheet excellent in resistance to white rust and method for production thereof | |
| CN100577878C (en) | Environment-friendly type metal normal temperature surface preservative treatment technique | |
| KR20090121878A (en) | Metal surface treatment solution and method of manufacturing steel sheet using the same | |
| WO2008029926A1 (en) | Method of treating surface of metal base, metallic material treated by the surface treatment method, and method of coating the metallic material | |
| CN106756976A (en) | Silane compound and its application for chemical composition coating post processing | |
| CN104419226A (en) | Stabilized coating for surface rust layer of weatherproof steel | |
| CN100532476C (en) | Surface antiseptic treating agent for cable bridge frame | |
| CN105017500A (en) | Preparation method of environment-friendly metal antiseptic silane modified waterborne polyurethane resin and antiseptic treatment method | |
| CN111663133A (en) | Silane treatment fluid and preparation method thereof | |
| CN111560607B (en) | Surface treatment liquid for hot-dip galvanized aluminum magnesium steel plate and preparation method of hot-dip galvanized aluminum magnesium chromium-free passivated plate | |
| JP2018066055A (en) | Method for producing iron-rust reduction rustproofing agent | |
| CN104520393B (en) | Organic-inorganic hybrid coating solution composition and organic-inorganic hybrid coated steel sheet | |
| CN111101124A (en) | Preparation method and application process of silane treatment liquid | |
| CN110616422B (en) | Chromium-free environment-friendly passivator for galvanized sheet and preparation and use method thereof | |
| CN112680101A (en) | High-strength corrosion-resistant metal surface coating | |
| CN1114665C (en) | Zinc base water soluble anti-corrosion paint for metal surface and its prepn. method | |
| CN112538314A (en) | Silane treatment fluid and preparation method thereof | |
| KR101190425B1 (en) | METAL SURFACE TREATMENT SOLUTION AND METHOD OF MANUFACTURING Cr-FREE HOT-ROLLED GALVANIZED STEEL SHEETS USING THE SAME | |
| KR100368254B1 (en) | Coating composition for forming insulating coating with excellent roll coating workability and method for forming insulating coating of non-oriented electrical steel sheet using same | |
| CN116656197A (en) | Environment-friendly insulating coating liquid for non-oriented electrical steel | |
| CN102827504A (en) | Anticorrosion liquid for metal surface corrosion resistance, and preparation method and anticorrosion treatment method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200915 |
|
| RJ01 | Rejection of invention patent application after publication |