CN107325665B - Automobile rearview mirror rainproof agent and preparation method thereof - Google Patents
Automobile rearview mirror rainproof agent and preparation method thereof Download PDFInfo
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- CN107325665B CN107325665B CN201710726640.4A CN201710726640A CN107325665B CN 107325665 B CN107325665 B CN 107325665B CN 201710726640 A CN201710726640 A CN 201710726640A CN 107325665 B CN107325665 B CN 107325665B
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
Abstract
The invention provides a rainproof agent for an automobile rearview mirror and a preparation method thereof. The preparation method of the automobile rearview mirror rainproof agent adopts deionized water, polyether modified organic siloxane, surfactant, propylene glycol butyl ether and aqueous resin emulsion to prepare the automobile rearview mirror rainproof agent after stirring and mixing for two times, the preparation process is simple, the prepared automobile rearview mirror rainproof agent has excellent film forming property and super-hydrophilicity, and after being coated on an automobile rearview mirror, a layer of hydrophilic film is formed on the surface of the automobile rearview mirror, so that water drops adhered to the surface of the automobile rearview mirror are quickly spread out, water condensation is prevented, the surface of the rearview mirror is kept bright and clean, and the visibility is improved. The automobile rearview mirror rainproof agent is prepared by the method, has excellent film forming property and super-hydrophilicity, can keep the surface of a rearview mirror bright and clean, and has a lasting rainproof function.
Description
Technical Field
The invention relates to the field of a rainproof agent, and particularly relates to a rainproof agent for an automobile rearview mirror and a preparation method thereof.
Background
The automobile is a 'machine changing the world' and a wheel promoting social progress, and the automobile becomes an indispensable important component in our daily life. The common use of the automobile changes the economic and social structure, forms a whole set of new economic, cultural and living system, improves the life quality of people, promotes social progress and promotes economic development.
At present, with the high-speed development of economy, the quantity of automobile reserves in China breaks through 1 hundred million vehicles and is continuously increased. The automobile brings great convenience to the life of people, but the automobile brings a series of potential traffic safety hazards, and according to statistics of relevant departments, 70% of major automobile traffic accidents occur in rainy days and at night. Driving in the rain, the unclear sight is the biggest potential safety hazard. In rainy days, a plurality of small water drops are attached to the automobile rearview mirror, so that the automobile on the rear and the side of the automobile cannot be seen clearly from the rearview mirror, and potential safety hazards are easily caused. Therefore, the automobile rearview mirror needs to maintain high cleanliness in rainy days so as to ensure good visibility.
The existing automobile rearview mirror rainproof agent exists in the market at present, and the existing automobile rearview mirror rainproof agent mainly comprises two products, namely a hydrophobic rainproof agent and a hydrophilic rainproof agent.
The hydrophobic rain-proof agent is generally a liquid obtained by mixing low-surface-energy silane, a hydrolytic agent and an organic solvent, and can generate a hydrophobic effect when being coated on the surface of the automobile rearview mirror.
The hydrophilic rainproof agent is generally an alcohol solvent type solution or a hydrophilic surfactant solution, and can generate a hydrophilic effect when being coated on the surface of the automobile rearview mirror, so that water flow is dispersed in a large area, water beads are not condensed, and the brightness of the automobile rearview mirror is kept. However, the surface tension of the current domestic hydrophilic rain-proof agent is usually about 30mN/m, the spreading speed of the solution is slow, water drops are easy to agglomerate, so that the sight is influenced, and the main component of the rain-proof agent is an alcohol solvent or a hydrophilic surfactant, so that the rain-proof agent is easy to be washed away by rainwater, so that the product is ineffective and has poor durability.
Disclosure of Invention
The invention aims to provide a preparation method of a rainproof agent for an automobile rearview mirror, which has simple preparation process, and the prepared rainproof agent for the automobile rearview mirror has excellent film forming property and super-hydrophilicity, can keep the surface of the rearview mirror bright and clean, and has a lasting rainproof function.
The invention also aims to provide the automobile rearview mirror rainproof agent which has excellent film forming property and super-hydrophilicity, can keep the surface of a rearview mirror bright and clean and has a lasting rainproof function.
In order to achieve the aim, the invention provides a preparation method of a rainproof agent for an automobile rearview mirror, which comprises the following steps:
step 1, providing deionized water, polyether modified organic siloxane and a surfactant, adding the polyether modified organic siloxane and the surfactant into the deionized water, and uniformly stirring and mixing to obtain a transparent mixed solution;
and 2, providing propylene glycol butyl ether and aqueous resin emulsion, adding the propylene glycol butyl ether and the aqueous resin emulsion into the transparent mixed solution, and uniformly stirring and mixing to obtain the automobile rearview mirror rainproof agent.
In the step 1, the polyether modified organic siloxane and the surfactant are sequentially added into deionized water; in the step 2, the propylene glycol butyl ether and the aqueous resin emulsion are sequentially added to the transparent mixed solution.
The surfactant is a fluorine-containing surfactant; the aqueous resin emulsion comprises one or more of aqueous acrylic resin and aqueous polyurethane resin.
In the automobile rearview mirror rainproof agent, the mass percent of the surfactant is 0.1-3.0%, the mass percent of the polyether modified organic siloxane is 0.5-2.0%, the mass percent of the aqueous resin emulsion is 0.3-2.0%, the mass percent of the propylene glycol butyl ether is 0.1-1.0%, and the mass percent of the deionized water is 90.0-98.0%.
The pH value of the automobile rearview mirror rainproof agent is 6.0-9.0; the surface tension of the automobile rearview mirror rainproof agent is less than or equal to 20 mN/m; the contact angle of the automobile rearview mirror rainproof agent is less than or equal to 5 degrees.
The invention also provides a rain-proof agent for the automobile rearview mirror, which comprises mixed liquid obtained by stirring and mixing deionized water, polyether modified organic siloxane, a surfactant, propylene glycol butyl ether and a water-based resin emulsion.
The surfactant is a fluorine-containing surfactant.
The aqueous resin emulsion comprises one or more of aqueous acrylic resin and aqueous polyurethane resin.
In the automobile rearview mirror rainproof agent, the mass percent of the surfactant is 0.1-3.0%, the mass percent of the polyether modified organic siloxane is 0.5-2.0%, the mass percent of the aqueous resin emulsion is 0.3-2.0%, the mass percent of the propylene glycol butyl ether is 0.1-1.0%, and the mass percent of the deionized water is 90.0-98.0%.
The pH value of the automobile rearview mirror rainproof agent is 6.0-9.0; the surface tension of the automobile rearview mirror rainproof agent is less than or equal to 20 mN/m; the contact angle of the automobile rearview mirror rainproof agent is less than or equal to 5 degrees.
The invention has the beneficial effects that: the preparation method of the automobile rearview mirror rainproof agent adopts deionized water, polyether modified organic siloxane, surfactant, propylene glycol butyl ether and aqueous resin emulsion to prepare the automobile rearview mirror rainproof agent after stirring and mixing for two times, the preparation process is simple, the prepared automobile rearview mirror rainproof agent has excellent film forming property and super-hydrophilicity, and after being coated on an automobile rearview mirror, a layer of hydrophilic film is formed on the surface of the automobile rearview mirror, so that water drops adhered to the surface of the automobile rearview mirror are quickly spread out, water condensation is prevented, the surface of the rearview mirror is kept bright and clean, and the visibility is improved. In addition, the automobile rearview mirror rainproof agent locks effective substances in the film layer in the film forming process, so that the loss of effective ingredients in the rain washing process is reduced, and the durability of the product is prolonged. The automobile rearview mirror rainproof agent is prepared by the method, has excellent film forming property and super-hydrophilicity, can keep the surface of a rearview mirror bright and clean, and has a lasting rainproof function.
For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to limit the invention.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
In the drawings, there is shown in the drawings,
FIG. 1 is a flow chart of the preparation method of the automobile rearview mirror rainproof agent.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Referring to fig. 1, the present invention provides a method for preparing a rainproof agent for an automobile rearview mirror, comprising the following steps:
step 1, providing deionized water, polyether modified organic siloxane and a surfactant, adding the polyether modified organic siloxane and the surfactant into the deionized water, and uniformly stirring and mixing to obtain a transparent mixed solution.
Specifically, in the step 1, the polyether modified organosiloxane and the surfactant are sequentially added to deionized water.
Specifically, the surfactant is a fluorine-containing surfactant.
And 2, providing propylene glycol butyl ether and aqueous resin emulsion, adding the propylene glycol butyl ether and the aqueous resin emulsion into the transparent mixed solution, and uniformly stirring and mixing to obtain the automobile rearview mirror rainproof agent.
Specifically, in the step 2, the propylene glycol butyl ether and the aqueous resin emulsion are sequentially added to the transparent mixed solution.
Specifically, the aqueous resin emulsion comprises one or more of an aqueous acrylic resin and an aqueous polyurethane resin.
Specifically, in the automobile rearview mirror rainproof agent, the mass percent of the surfactant is 0.1-3.0%, the mass percent of the polyether modified organic siloxane is 0.5-2.0%, the mass percent of the aqueous resin emulsion is 0.3-2.0%, the mass percent of the propylene glycol butyl ether is 0.1-1.0%, and the mass percent of the deionized water is 90.0-98.0%. Preferably, the deionized water accounts for 92.0-98.0% by mass.
Specifically, the appearance of the automobile rearview mirror rainproof agent is milky white slightly transparent liquid.
Specifically, the pH value of the automobile rearview mirror rainproof agent is 6.0-9.0.
Specifically, the surface tension of the automobile rearview mirror rainproof agent is less than or equal to 20 mN/m.
Specifically, the contact angle (hydrophobicity) of the automobile rearview mirror rainproof agent is less than or equal to 5 degrees.
Further, the preparation method of the automobile rearview mirror rainproof agent further comprises the following steps: and 3, packaging the automobile rearview mirror rainproof agent.
The automobile rearview mirror rainproof agent prepared by the invention is an automobile rearview mirror rainproof agent with excellent film forming property and super-hydrophilicity, and after the automobile rearview mirror rainproof agent is coated on the surface of an automobile rearview mirror, a hydrophilic film can be formed on the surface of the automobile rearview mirror by utilizing the low-temperature self-crosslinking curing film forming property of aqueous resin emulsion. Because the surface tension of the automobile rearview mirror rainproof agent is lower than 20mN/m, and the contact angle of the surface of the automobile rearview mirror after the automobile rearview mirror rainproof agent is used is less than or equal to 5 degrees, water drops adhered to the surface of the automobile rearview mirror can be quickly spread out, water condensation is prevented, the surface of the rearview mirror is kept bright and clean, and the visibility is improved. In addition, the automobile rearview mirror rainproof agent locks effective substances in the film layer in the film forming process, so that the loss of effective ingredients in the rain washing process is reduced, and the durability of the product is prolonged.
The preparation method of the automobile rearview mirror rainproof agent adopts deionized water, polyether modified organic siloxane, surfactant, propylene glycol butyl ether and aqueous resin emulsion to prepare the automobile rearview mirror rainproof agent after stirring and mixing for two times, the preparation process is simple, the prepared automobile rearview mirror rainproof agent has excellent film forming property and super-hydrophilicity, and after being coated on an automobile rearview mirror, a layer of hydrophilic film is formed on the surface of the automobile rearview mirror, so that water drops adhered to the surface of the automobile rearview mirror are quickly spread out, water condensation is prevented, the surface of the rearview mirror is kept bright and clean, and the visibility is improved. In addition, the automobile rearview mirror rainproof agent locks effective substances in the film layer in the film forming process, so that the loss of effective ingredients in the rain washing process is reduced, and the durability of the product is prolonged.
Based on the preparation method of the automobile rearview mirror rainproof agent, the invention also provides the automobile rearview mirror rainproof agent which comprises mixed liquid obtained by stirring and mixing deionized water, polyether modified organic siloxane, a surfactant, propylene glycol butyl ether and a water-based resin emulsion.
Specifically, the mass percentages of the components in the automobile rearview mirror rainproof agent and the technical indexes of the automobile rearview mirror rainproof agent are described above, and are not repeated herein.
The automobile rearview mirror rainproof agent is prepared by the method, has excellent film forming property and super-hydrophilicity, and can keep the surface of a rearview mirror bright and clean and improve the visibility after being coated on the automobile rearview mirror; meanwhile, the automobile rearview mirror rainproof agent locks effective substances in the film layer in the film forming process, so that a lasting rainproof function can be realized.
In conclusion, the invention provides a rainproof agent for an automobile rearview mirror and a preparation method thereof. The preparation method of the automobile rearview mirror rainproof agent adopts deionized water, polyether modified organic siloxane, surfactant, propylene glycol butyl ether and aqueous resin emulsion to prepare the automobile rearview mirror rainproof agent after stirring and mixing for two times, the preparation process is simple, the prepared automobile rearview mirror rainproof agent has excellent film forming property and super-hydrophilicity, and after being coated on an automobile rearview mirror, a layer of hydrophilic film is formed on the surface of the automobile rearview mirror, so that water drops adhered to the surface of the automobile rearview mirror are quickly spread out, water condensation is prevented, the surface of the rearview mirror is kept bright and clean, and the visibility is improved. In addition, the automobile rearview mirror rainproof agent locks effective substances in the film layer in the film forming process, so that the loss of effective ingredients in the rain washing process is reduced, and the durability of the product is prolonged. The automobile rearview mirror rainproof agent is prepared by the method, has excellent film forming property and super-hydrophilicity, can keep the surface of a rearview mirror bright and clean, and has a lasting rainproof function.
As described above, it will be apparent to those skilled in the art that other various changes and modifications may be made based on the technical solution and concept of the present invention, and all such changes and modifications are intended to fall within the scope of the appended claims.
Claims (3)
1. A preparation method of the automobile rearview mirror rainproof agent is characterized by comprising the following steps:
step 1, providing deionized water, polyether modified organic siloxane and a surfactant, adding the polyether modified organic siloxane and the surfactant into the deionized water, and uniformly stirring and mixing to obtain a transparent mixed solution;
step 2, providing propylene glycol butyl ether and aqueous resin emulsion, adding the propylene glycol butyl ether and the aqueous resin emulsion into the transparent mixed solution, and uniformly stirring and mixing to obtain the automobile rearview mirror rainproof agent;
the surfactant is a fluorine-containing surfactant;
the pH value of the automobile rearview mirror rainproof agent is 6.0-9.0; the surface tension of the automobile rearview mirror rainproof agent is less than or equal to 20 mN/m; the contact angle of the automobile rearview mirror rainproof agent is less than or equal to 5 degrees;
the aqueous resin emulsion comprises one or more of aqueous acrylic resin and aqueous polyurethane resin;
in the automobile rearview mirror rainproof agent, the mass percent of the surfactant is 0.1-3.0%, the mass percent of the polyether modified organic siloxane is 0.5-2.0%, the mass percent of the aqueous resin emulsion is 0.3-2.0%, the mass percent of the propylene glycol butyl ether is 0.1-1.0%, and the mass percent of the deionized water is 90.0-98.0%.
2. The method for preparing the rain repellent for automobile rearview mirrors as claimed in claim 1, wherein in the step 1, the polyether modified organic siloxane and the surfactant are sequentially added into deionized water; in the step 2, the propylene glycol butyl ether and the aqueous resin emulsion are sequentially added to the transparent mixed solution.
3. The automobile rearview mirror rainproof agent is characterized by comprising a mixed liquid obtained by stirring and mixing deionized water, polyether modified organic siloxane, a surfactant, propylene glycol butyl ether and an aqueous resin emulsion;
the surfactant is a fluorine-containing surfactant;
the pH value of the automobile rearview mirror rainproof agent is 6.0-9.0; the surface tension of the automobile rearview mirror rainproof agent is less than or equal to 20 mN/m; the contact angle of the automobile rearview mirror rainproof agent is less than or equal to 5 degrees;
the aqueous resin emulsion comprises one or more of aqueous acrylic resin and aqueous polyurethane resin;
in the automobile rearview mirror rainproof agent, the mass percent of the surfactant is 0.1-3.0%, the mass percent of the polyether modified organic siloxane is 0.5-2.0%, the mass percent of the aqueous resin emulsion is 0.3-2.0%, the mass percent of the propylene glycol butyl ether is 0.1-1.0%, and the mass percent of the deionized water is 90.0-98.0%.
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| CN201710726640.4A CN107325665B (en) | 2017-08-22 | 2017-08-22 | Automobile rearview mirror rainproof agent and preparation method thereof |
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| CN201710726640.4A CN107325665B (en) | 2017-08-22 | 2017-08-22 | Automobile rearview mirror rainproof agent and preparation method thereof |
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| CN107325665B true CN107325665B (en) | 2020-03-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489948A (en) * | 2006-08-23 | 2009-07-22 | 中央硝子株式会社 | Non-fogging preproduction, non-fogging articles and coating fluid for the articles |
| CN103979799A (en) * | 2014-03-31 | 2014-08-13 | 广州视睿电子科技有限公司 | Antifogging toughened glass and preparation method thereof |
| CN104080861A (en) * | 2011-12-15 | 2014-10-01 | 3M创新有限公司 | Anti-fog coating comprising aqueous polymeric dispersion, crosslinker & acid or salt of polyalkylene oxide |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100068486A1 (en) * | 2007-03-09 | 2010-03-18 | Nippon Sheet Glass Co., Ltd. | Automobile window material, automobile, antifog treatment coating liquid and antifog article |
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- 2017-08-22 CN CN201710726640.4A patent/CN107325665B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489948A (en) * | 2006-08-23 | 2009-07-22 | 中央硝子株式会社 | Non-fogging preproduction, non-fogging articles and coating fluid for the articles |
| CN104080861A (en) * | 2011-12-15 | 2014-10-01 | 3M创新有限公司 | Anti-fog coating comprising aqueous polymeric dispersion, crosslinker & acid or salt of polyalkylene oxide |
| CN103979799A (en) * | 2014-03-31 | 2014-08-13 | 广州视睿电子科技有限公司 | Antifogging toughened glass and preparation method thereof |
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