CN115522192A - Phosphorus-free and slag-free normal-temperature silane metal surface treating agent and preparation method thereof - Google Patents
Phosphorus-free and slag-free normal-temperature silane metal surface treating agent and preparation method thereof Download PDFInfo
- Publication number
- CN115522192A CN115522192A CN202210774934.5A CN202210774934A CN115522192A CN 115522192 A CN115522192 A CN 115522192A CN 202210774934 A CN202210774934 A CN 202210774934A CN 115522192 A CN115522192 A CN 115522192A
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- parts
- free
- silane
- slag
- phosphorus
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- 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
- C23C22/60—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 alkaline aqueous solutions with pH greater than 8
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- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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- 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)
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Abstract
The invention discloses a phosphorus-free and slag-free normal-temperature silane metal surface treating agent and a preparation method thereof, and relates to the technical field of metal surface treating agents; the composition comprises the following components in parts by weight: 5-20 parts of 25-30% nano zirconium dioxide dispersion, 6-15 parts of sodium metasilicate, 3-15 parts of propylene glycol, 6-20 parts of alkylphenol polyoxyethylene, 3-20 parts of silane, 1-5 parts of sodium hydroxide and 55-75 parts of deionized water; the preparation method comprises the following steps: putting the raw materials into a container according to the weight part ratio, fully stirring in the container, after silane is hydrolyzed, standing and aging for 9-11h, filtering by a filter screen, and packaging into a barrel; the invention has no phosphorus, slag and heavy metal, can work at room temperature, and can be used for the surface pretreatment of various metals; meanwhile, the method is environment-friendly, safe, convenient to have decontamination and wide in application range.
Description
Technical Field
The invention belongs to the technical field of metal surface treating agents, and particularly relates to a phosphorus-free and slag-free normal-temperature silane metal surface treating agent and a preparation method thereof.
Background
Phosphating is a commonly used metal surface treatment technique; the phosphating solution has simple production process and low technical content, and is widely used in the metal surface pretreatment industry in China. However, the main products of the phosphating solution, the degreasing agent and the like in the phosphating process contain heavy metal ions such as phosphate, zinc, nickel, manganese and the like, the direct discharge of the treated wastewater can cause serious pollution, the cost of enterprises can be greatly increased if the wastewater is not directly discharged, and the pollution surface caused by the fact that some enterprises even have no wastewater treatment lines is enlarged step by step. With the rapid development of social economy, the problems of energy shortage, environmental pollution, resource shortage and the like are increasingly highlighted, and the global crisis is caused, so that the demand on energy-saving emission-reducing products is more and more urgent.
Disclosure of Invention
To solve the problems in the background art; the invention aims to provide a phosphorus-free and slag-free normal-temperature silane metal surface treating agent and a preparation method thereof.
The invention relates to a phosphorus-free slag-free normal-temperature silane metal surface treating agent which comprises the following components in parts by weight: 5-20 parts of 25-30% nano zirconium dioxide dispersion, 6-15 parts of sodium metasilicate, 3-15 parts of propylene glycol, 6-20 parts of alkylphenol polyoxyethylene, 3-20 parts of silane, 1-5 parts of sodium hydroxide and 55-75 parts of deionized water.
A preparation method of a phosphorus-free and slag-free normal-temperature silane metal surface treating agent comprises the following steps: putting the raw materials into a container according to the weight part ratio, fully stirring in the container, hydrolyzing silane, standing and aging for 9-11h, filtering by a filter screen, and packaging into a barrel.
Compared with the prior art, the invention has the following beneficial effects:
1. the product is free of phosphorus, slag and heavy metals, can work at room temperature, and can be used for surface pretreatment of various metals.
2. Meanwhile, the method is environment-friendly, safe, convenient to have decontamination and wide in application range.
Detailed Description
The first embodiment is as follows: the technical scheme adopted by the specific implementation mode is as follows: the composition consists of the following components in parts by weight: 10 parts of 25-30% nano zirconium dioxide dispersion liquid, 6 parts of sodium metasilicate, 10 parts of propylene glycol, 7 parts of alkylphenol polyoxyethylene, 9 parts of silane, 3 parts of sodium hydroxide and 55 parts of deionized water.
A preparation method of a phosphorus-free and slag-free normal-temperature silane metal surface treating agent comprises the following steps: putting the raw materials into a container according to the weight part ratio, fully stirring in the container, hydrolyzing silane, standing and aging for 9-11h, filtering by a filter screen, and packaging into a barrel.
Example two: the technical scheme adopted by the specific implementation mode is as follows: the composition comprises the following components in parts by weight: 15 parts of 25-30% nano zirconium dioxide dispersion liquid, 7 parts of sodium metasilicate, 4 parts of propylene glycol, 8 parts of alkylphenol polyoxyethylene, 3 parts of silane, 3 parts of sodium hydroxide and 60 parts of deionized water.
A preparation method of a phosphorus-free and slag-free normal-temperature silane metal surface treating agent comprises the following steps: putting the raw materials into a container according to the weight part ratio, fully stirring in the container, hydrolyzing silane, standing and aging for 9-11h, filtering by a filter screen, and packaging into a barrel.
Example three: the specific implementation mode adopts the following technical scheme: the composition comprises the following components in parts by weight: 20 parts of 25-30% nano zirconium dioxide dispersion liquid, 7 parts of sodium metasilicate, 3 parts of propylene glycol, 6 parts of alkylphenol polyoxyethylene, 3 parts of silane, 1 part of sodium hydroxide and 60 parts of deionized water.
A preparation method of a phosphorus-free and slag-free normal-temperature silane metal surface treating agent comprises the following steps: putting the raw materials into a container according to the weight part ratio, fully stirring in the container, hydrolyzing silane, standing and aging for 9-11h, filtering by a filter screen, and packaging into a barrel.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
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 (2)
1. A phosphorus-free and slag-free normal temperature silane metal surface treating agent is characterized in that: the composition comprises the following components in parts by weight: 5-20 parts of 25-30% nano zirconium dioxide dispersion, 6-15 parts of sodium metasilicate, 3-15 parts of propylene glycol, 6-20 parts of alkylphenol polyoxyethylene, 3-20 parts of silane, 1-5 parts of sodium hydroxide and 55-75 parts of deionized water.
2. A preparation method of a phosphorus-free and slag-free normal-temperature silane metal surface treating agent is characterized by comprising the following steps: the preparation method comprises the following steps: putting the raw materials into a container according to the weight part ratio, fully stirring in the container, hydrolyzing silane, standing and aging for 9-11h, filtering by a filter screen, and packaging into a barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210774934.5A CN115522192A (en) | 2022-07-03 | 2022-07-03 | Phosphorus-free and slag-free normal-temperature silane metal surface treating agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210774934.5A CN115522192A (en) | 2022-07-03 | 2022-07-03 | Phosphorus-free and slag-free normal-temperature silane metal surface treating agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115522192A true CN115522192A (en) | 2022-12-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210774934.5A Pending CN115522192A (en) | 2022-07-03 | 2022-07-03 | Phosphorus-free and slag-free normal-temperature silane metal surface treating agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115522192A (en) |
-
2022
- 2022-07-03 CN CN202210774934.5A patent/CN115522192A/en active Pending
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