CN111957540A - Preparation method of wear-resistant hydrophobic material - Google Patents
Preparation method of wear-resistant hydrophobic material Download PDFInfo
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- CN111957540A CN111957540A CN202010754412.XA CN202010754412A CN111957540A CN 111957540 A CN111957540 A CN 111957540A CN 202010754412 A CN202010754412 A CN 202010754412A CN 111957540 A CN111957540 A CN 111957540A
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- stearate
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- isopropanol
- hydrophobic
- ethyl alcohol
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- 239000000463 material Substances 0.000 title claims abstract description 33
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 44
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000000725 suspension Substances 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 24
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000077 silane Inorganic materials 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- 238000005299 abrasion Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000001291 vacuum drying Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000002086 nanomaterial Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000007745 plasma electrolytic oxidation reaction Methods 0.000 claims description 5
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000010979 pH adjustment Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 12
- 235000021355 Stearic acid Nutrition 0.000 description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 7
- 239000008117 stearic acid Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012467 final product Substances 0.000 description 3
- 230000003075 superhydrophobic effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0493—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases using vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1681—Antifouling coatings characterised by surface structure, e.g. for roughness effect giving superhydrophobic coatings or Lotus effect
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/026—Anodisation with spark discharge
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention provides a preparation method of an abrasion-resistant hydrophobic material, and particularly relates to the field of abrasion-resistant hydrophobic materials, S1, stearate and isopropanol are mixed, then the mixture is mixed and stirred for 40-60 min, absolute ethyl alcohol is added, then the mixture is stirred for 0.5-1 h, a stearate metal salt suspension is obtained, and the mass ratio of the stearate to the isopropanol to the absolute ethyl alcohol is 30-40: 40 to 80: 10 to 20; s2, adjusting the pH value of the metal stearate suspension to 6.8-7.0, adding silane, reacting at 70-80 ℃ for 6-8 h, and naturally cooling to room temperature to obtain a pre-product; s3, dripping the pre-product on a substrate, drying for 5 to 10 minutes at the temperature of 120 ℃ by adopting a vacuum drying oven, and drying for 4 to 5 hours at the temperature of 180 to 200 ℃ to obtain the product. The hydrophobic material obtained by the invention has the advantages of wear resistance, long service life and good hydrophobic property.
Description
Technical Field
The invention belongs to the field of wear-resistant hydrophobic materials, and particularly relates to a preparation method of a wear-resistant hydrophobic material.
Background
The hydrophobic technology is a basic technology with wide and deep depth and higher practical value, and has wide application in daily life of people. By designing materials with different structural, chemical and physical characteristics, new additional functions of solid materials can be provided, especially the rapidly growing demand of hydrophobic materials in modern industry, and functionalized hydrophobic materials are provided with vigorous vigor. The super-hydrophobic coating is a novel surface technology developed on the basis of the super-hydrophobic coating; the hydrophobic material is a low surface energy material with a static water contact angle theta of a coating film on a smooth surface larger than 90 degrees, while the super-hydrophobic material is a novel material with special surface properties, namely a solid coating film with a water contact angle larger than 150 degrees and a water contact angle lag smaller than 5 degrees, has the important characteristics of water resistance, fog resistance, snow resistance, pollution resistance, adhesion resistance, oxidation resistance, corrosion resistance, self-cleaning, current conduction prevention and the like, and has wide application prospects in fields of scientific research, production, life and the like; but the existing hydrophobic material has the problems of poor wear resistance and short service time;
in view of the above disadvantages, there is a need for a method for preparing an abrasion-resistant hydrophobic material, and the hydrophobic material obtained by the invention has the advantages of long abrasion resistance, long service life and good hydrophobic property.
Disclosure of Invention
The hydrophobic material obtained by the invention has long wear-resisting service life and good hydrophobic property.
The invention provides the following technical scheme:
a method of making an abrasion resistant hydrophobic material, the method comprising the steps of:
s1, mixing stearate and isopropanol, then mixing and stirring for 40-60 min, adding absolute ethyl alcohol, and then stirring for 0.5-1 h to obtain a stearate metal salt suspension, wherein the mass ratio of the stearate to the isopropanol to the absolute ethyl alcohol is 30-40: 40 to 80: 10 to 20;
s2, adjusting the pH value of the metal stearate suspension to 6.8-7.0, adding silane, reacting at 70-80 ℃ for 6-8 h, and naturally cooling to room temperature to obtain a pre-product;
s3, dripping the pre-product on a substrate, drying for 5 to 10 minutes at the temperature of 120 ℃ by adopting a vacuum drying oven, and drying for 4 to 5 hours at the temperature of 180 to 200 ℃ to obtain the product.
Preferably, in the step S1, the stearate and the isopropanol are mixed, then mixed and stirred for 50min, and the absolute ethyl alcohol is added, then stirred for 0.7h, so as to obtain the stearic acid metal salt suspension, wherein the mass ratio of the stearate, the isopropanol and the absolute ethyl alcohol is 30: 40 to 80: 10 to 20.
Preferably, in the step S2, the pH of the metal stearate suspension is adjusted to 6.9, silane is added, the mixture is reacted for 7 hours at 75 ℃, and the mixture is naturally cooled to room temperature to obtain a pre-product.
Preferably, in the step S3, the pre-product is dropped onto the substrate, dried at 120 ℃ for 8 minutes in a vacuum drying oven, and then dried at 190 ℃ for 4.5 hours to obtain the product.
Preferably, the substrate is a nanostructured aluminum substrate, and the nanostructured aluminum substrate is formed by micro-arc oxidation to form a lotus-shaped nanostructure on a metal substrate
Preferably, the mass ratio of the silane to the metal stearate suspension is 1: 1.1; the silane is monosilane or disilane.
Preferably, the mass ratio of the stearate to the isopropanol to the absolute ethyl alcohol is 35: 60: 15.
preferably, an acid solution is used for adjusting the pH, and the volume ratio of the acid solution to the metal stearate suspension is 1: 15.
The invention has the beneficial effects that:
the hydrophobic material obtained by the preparation method of the wear-resistant hydrophobic material provided by the invention is wear-resistant, long in service life and good in hydrophobic property.
Detailed Description
Example 1:
s1, mixing stearate and isopropanol, then mixing and stirring for 40min, adding absolute ethyl alcohol, and then stirring for 0.5h to obtain a stearate metal salt suspension, wherein the mass ratio of the stearate to the isopropanol to the absolute ethyl alcohol is 30: 40: 10;
s2, adjusting the pH value of the stearic acid metal salt suspension to 6.8, adopting an acid solution for adjusting the pH value, adding silane, reacting for 6 hours at 700 ℃, and naturally cooling to room temperature to obtain a pre-product, wherein the volume ratio of the acid solution to the stearic acid metal salt suspension is 1: 15; wherein the mass ratio of the silane to the metal stearate suspension is 1: 1.1; the silane is monosilane;
s3, dripping the pre-product onto a substrate, wherein the substrate is a nano-structure aluminum substrate, and the nano-structure aluminum substrate is formed into a lotus-leaf-shaped nano structure on a metal base material through micro-arc oxidation; drying at 120 deg.C for 5 min, and drying at 180 deg.C for 4 hr to obtain the final product
Example 2:
s1, mixing stearate and isopropanol, then mixing and stirring for 40-60 min, adding absolute ethyl alcohol, and then stirring for 0.7h to obtain a stearate metal salt suspension, wherein the mass ratio of the stearate to the isopropanol to the absolute ethyl alcohol is 35: 60: 15;
s2, adjusting the pH value of the stearic acid metal salt suspension to 6.90, adopting an acid solution for adjusting the pH value, adding silane, reacting for 7 hours at 75 ℃, and naturally cooling to room temperature to obtain a pre-product, wherein the volume ratio of the acid solution to the stearic acid metal salt suspension is 1: 15; wherein the mass ratio of the silane to the metal stearate suspension is 1: 1.1; the silane is monosilane;
s3, dripping the pre-product onto a substrate, wherein the substrate is a nano-structure aluminum substrate, and the nano-structure aluminum substrate is formed into a lotus-leaf-shaped nano structure on a metal base material through micro-arc oxidation; drying at 120 deg.C for 80 min, and drying at 190 deg.C for 4.5h to obtain the final product
Example 3:
s1, mixing stearate and isopropanol, then mixing and stirring for 50min, adding absolute ethyl alcohol, and then stirring for 1h to obtain a stearate metal salt suspension, wherein the mass ratio of the stearate to the isopropanol to the absolute ethyl alcohol is 40: 80: 20;
s2, adjusting the pH value of the stearic acid metal salt suspension to 7.0, adopting an acid solution for adjusting the pH value, adding silane, reacting for 8 hours at 80 ℃, and naturally cooling to room temperature to obtain a pre-product, wherein the volume ratio of the acid solution to the stearic acid metal salt suspension is 1: 15; wherein the mass ratio of the silane to the metal stearate suspension is 1: 1.1; the silane is monosilane;
s3, dripping the pre-product onto a substrate, wherein the substrate is a nano-structure aluminum substrate, and the nano-structure aluminum substrate is formed into a lotus-leaf-shaped nano structure on a metal base material through micro-arc oxidation; drying at 120 deg.C for 10 min, and drying at 200 deg.C for 5h to obtain the final product.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The preparation method of the wear-resistant hydrophobic material is characterized by comprising the following steps:
s1, mixing stearate and isopropanol, then mixing and stirring for 40-60 min, adding absolute ethyl alcohol, and then stirring for 0.5-1 h to obtain a stearate metal salt suspension, wherein the mass ratio of the stearate to the isopropanol to the absolute ethyl alcohol is 30-40: 40 to 80: 10 to 20;
s2, adjusting the pH value of the metal stearate suspension to 6.8-7.0, adding silane, reacting at 70-80 ℃ for 6-8 h, and naturally cooling to room temperature to obtain a pre-product;
s3, dripping the pre-product on a substrate, drying for 5 to 10 minutes at the temperature of 120 ℃ by adopting a vacuum drying oven, and drying for 4 to 5 hours at the temperature of 180 to 200 ℃ to obtain the product.
2. The method of claim 1, wherein the hydrophobic abrasion-resistant material is selected from the group consisting of: in the step S1, mixing stearate and isopropanol, then mixing and stirring for 50min, adding absolute ethyl alcohol, and then stirring for 0.7h to obtain a stearate metal salt suspension, wherein the mass ratio of stearate, isopropanol and absolute ethyl alcohol is 30: 40 to 80: 10 to 20.
3. The method of claim 2, wherein the hydrophobic abrasion-resistant material is selected from the group consisting of: in the step S2, the pH of the metal stearate suspension is adjusted to 6.9, silane is added, the mixture is reacted for 7 hours at 75 ℃, and the mixture is naturally cooled to room temperature to obtain a pre-product.
4. The method of claim 3, wherein the hydrophobic material is selected from the group consisting of: and in the step S3, dropwise adding the pre-product onto a substrate, drying for 8 minutes at the temperature of 120 ℃ by adopting a vacuum drying oven, and then drying for 4.5 hours at the temperature of 190 ℃ to obtain the product.
5. The method of claim 1, wherein the hydrophobic abrasion-resistant material is selected from the group consisting of: the substrate is a nanostructured aluminum substrate, and the nanostructured aluminum substrate is formed into a lotus-leaf-shaped nanostructure on a metal base material through micro-arc oxidation.
6. The method of claim 1, wherein the hydrophobic abrasion-resistant material is selected from the group consisting of: the mass ratio of the silane to the metal stearate suspension is 1: 1.1; the silane is monosilane or disilane.
7. The method of claim 1, wherein the hydrophobic abrasion-resistant material is selected from the group consisting of: the mass ratio of the stearate to the isopropanol to the absolute ethyl alcohol is 35: 60: 15.
8. the method of claim 1, wherein the hydrophobic abrasion-resistant material is selected from the group consisting of: an acid solution was used for PH adjustment, and the volume ratio of the acid solution to the metal stearate suspension was 1: 15.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552038A (en) * | 2019-09-27 | 2019-12-10 | 北京大学深圳研究生院 | super-hydrophobic material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110552038B (en) * | 2019-09-27 | 2021-08-10 | 北京大学深圳研究生院 | Super-hydrophobic material and preparation method thereof |
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Application publication date: 20201120 |