CN116948484A - Preparation method of primer for super-hydrophobic nano adsorbent - Google Patents
Preparation method of primer for super-hydrophobic nano adsorbent Download PDFInfo
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- CN116948484A CN116948484A CN202310948544.XA CN202310948544A CN116948484A CN 116948484 A CN116948484 A CN 116948484A CN 202310948544 A CN202310948544 A CN 202310948544A CN 116948484 A CN116948484 A CN 116948484A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 47
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 45
- 239000003463 adsorbent Substances 0.000 title claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000002105 nanoparticle Substances 0.000 claims abstract description 27
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 26
- 239000002562 thickening agent Substances 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 24
- 239000002135 nanosheet Substances 0.000 claims abstract description 24
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000005011 phenolic resin Substances 0.000 claims abstract description 23
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 23
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 20
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 20
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011259 mixed solution Substances 0.000 claims description 42
- 239000002904 solvent Substances 0.000 claims description 21
- 239000007822 coupling agent Substances 0.000 claims description 20
- 150000001282 organosilanes Chemical class 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 6
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 abstract description 14
- 238000000576 coating method Methods 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000000945 filler Substances 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 239000011347 resin Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 5
- 239000006087 Silane Coupling Agent Substances 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000002209 hydrophobic effect Effects 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000002987 primer (paints) Substances 0.000 description 58
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 7
- 239000012855 volatile organic compound Substances 0.000 description 6
- BGTOWKSIORTVQH-HOSYLAQJSA-N cyclopentanone Chemical group O=[13C]1CCCC1 BGTOWKSIORTVQH-HOSYLAQJSA-N 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- 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
- C09D5/002—Priming paints
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/43—Thickening agents
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The application discloses a preparation method of primer for super-hydrophobic nano-adsorbent, which adopts silica nano-particles and graphene nano-sheets as composite filler, so that the hydrophobic property and the adsorption property of a coating film are enhanced; the 3-aminopropyl trimethoxy silane plays a role in interfacial chemical connection, so that the binding force between the inorganic nano filler and a resin matrix is enhanced; the phenolic resin prepolymer provides good film forming performance, and the acrylic resin enhances the weather resistance of the coating film; the organic silane coupling agent enables the inorganic nano particles to be in interfacial chemical connection with the resin, so that the stability and the service life of the primer are enhanced; the phenolic resin prepolymer provides film forming properties; the acrylic resin enhances the weather resistance of the primer; the thickening agent adjusts the viscosity of the primer so as to be convenient to use; the method has the advantages of simple raw material acquisition and controllable preparation process, and is suitable for industrial production.
Description
Technical Field
The application relates to the technical field of primer preparation, in particular to a preparation method of a primer for a super-hydrophobic nano adsorbent.
Background
With the development of society, people have higher and higher requirements on functions of building outer walls and roofs, not only have basic functions of attractive appearance, water resistance, heat insulation, insulation and the like, but also have certain self-cleaning capability so as to reduce the accumulation of pollution on the outer facades of the buildings. Therefore, it is becoming particularly important to develop a coating capable of imparting superhydrophobic and super-adsorptive functions to the building surface.
The primer in the existing paint preparation process has the following problems: the common silicone water-based primer is difficult to realize super-hydrophobicity; the fluorine-containing primer Volatile Organic Compounds (VOCs) has large emission of volatile organic compounds and insufficient environmental protection performance; the hydrotreating method in the nano silica primer processing process is complex and the preparation cost is high.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above-mentioned problems with the existing paint primers.
Therefore, the technical problems solved by the application are as follows: solves the problem that the prior paint primer does not realize super-hydrophobicity on the basis of controlling cost and ensuring environmental protection performance.
In order to solve the technical problems, the application provides the following technical scheme: the preparation method of the primer for the super-hydrophobic nano-adsorbent comprises the following materials in parts by weight: 20-50 parts of silicon dioxide nano particles, 10-30 parts of graphene nano sheets, 5-15 parts of organosilane coupling agents, 5-15 parts of 3-aminopropyl trimethoxy silane, 25-65 parts of solvents, 10-35 parts of phenolic resin prepolymers, 5-15 parts of acrylic resin and 1-5 parts of thickening agents;
the preparation method comprises the following specific preparation steps:
s1: sequentially adding silicon dioxide nano particles, graphene nano sheets, an organosilane coupling agent, 3-aminopropyl trimethoxy silane and the solvent into a reaction kettle, and uniformly stirring and mixing to obtain a mixed solution A;
s2: adding phenolic resin prepolymer, acrylic resin and the thickener into the mixed solution A, and uniformly stirring and mixing to obtain mixed solution B;
s3: and (3) defoaming the mixed solution B under the condition of reduced pressure to obtain the primer for the super-hydrophobic nano adsorbent.
As a preferable scheme of the primer for the super-hydrophobic nano-adsorbent, the preparation method comprises the following steps: the organosilane coupling agent is specifically any one of tetraethoxysilane or azo diisocyanate.
As a preferable scheme of the primer for the super-hydrophobic nano-adsorbent, the preparation method comprises the following steps: the solvent is specifically any one of cyclopentanone or ethyl acetate.
As a preferable scheme of the primer for the super-hydrophobic nano-adsorbent, the preparation method comprises the following steps: the thickener is specifically any one of hydroxyethyl methacrylate (HEMA), polyurethane (PU) or polyvinyl alcohol (PVA).
As a preferable scheme of the primer for the super-hydrophobic nano-adsorbent, the preparation method comprises the following steps: the particle size of the silica nanoparticles is 10-60nm.
As a preferable scheme of the primer for the super-hydrophobic nano-adsorbent, the preparation method comprises the following steps: the thickness of the graphene nano sheet is smaller than 5nm, and the length is in the range of 0.5-5 mu m.
As a preferable scheme of the primer for the super-hydrophobic nano-adsorbent, the preparation method comprises the following steps: and (3) defoaming the mixed solution B under a vacuum condition.
As a preferable scheme of the primer for the super-hydrophobic nano-adsorbent, the preparation method comprises the following steps: definition when the viscosity of the mixed solution B is 100 to 150mm 2 And (3) defining that the defoaming process is qualified when the primer is/s, and preparing the primer for the super-hydrophobic nano adsorbent.
As a preferable scheme of the primer for the super-hydrophobic nano-adsorbent, the preparation method comprises the following steps: the temperature is kept at 20-30 ℃ and the relative humidity is not higher than 19.20% in the defoaming process.
Compared with the prior art, the application has the following beneficial effects:
1. the silicon dioxide nano particles and the graphene nano sheets are used as composite filler, so that the hydrophobic property and the adsorption property of the coating are enhanced;
2. the 3-aminopropyl trimethoxy silane plays a role in interfacial chemical connection, so that the binding force between the inorganic nano filler and a resin matrix is enhanced;
3. the phenolic resin prepolymer provides good film forming performance, and the acrylic resin enhances the weather resistance of the coating film;
4. the organic silane coupling agent enables the inorganic nano particles to be in interfacial chemical connection with the resin, so that the stability and the service life of the primer are enhanced; the phenolic resin prepolymer provides film forming properties; the acrylic resin enhances the weather resistance of the primer; the thickening agent adjusts the viscosity of the primer so as to be convenient to use;
5. the method has the advantages of simple raw material acquisition, controllable preparation process and suitability for industrial production;
in summary, the application provides a preparation method of the primer for the super-hydrophobic nano-adsorbent, which has simple and controllable preparation process, and the obtained product has excellent hydrophobicity and adsorptivity, and can be widely applied to coating of building outer walls, roofs and the like.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be readily understood, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
The primer in the existing paint preparation process has the following problems: the common silicone water-based primer is difficult to realize super-hydrophobicity; the fluorine-containing primer Volatile Organic Compounds (VOCs) has large emission of volatile organic compounds and insufficient environmental protection performance; the hydrotreating method in the nano silica primer processing process is complex and the preparation cost is high.
Therefore, the application provides a preparation method of primer for super-hydrophobic nano-adsorbent, which comprises the following specific examples:
examples:
example 1
The preparation method of the primer for the super-hydrophobic nano-adsorbent comprises the following materials in parts by weight: 20 parts of silicon dioxide nano particles, 10 parts of graphene nano sheets, 5 parts of organosilane coupling agent, 5 parts of 3-aminopropyl trimethoxy silane, 25 parts of solvent, 10 parts of phenolic resin prepolymer, 5 parts of acrylic resin and 1 part of thickener;
the preparation method comprises the following specific preparation steps:
s1: sequentially adding silicon dioxide nano particles, graphene nano sheets, an organosilane coupling agent, 3-aminopropyl trimethoxy silane and a solvent into a reaction kettle, and uniformly stirring and mixing to obtain a mixed solution A;
s2: adding phenolic resin prepolymer, acrylic resin and thickener into the mixed solution A, and stirring and mixing uniformly to obtain mixed solution B;
s3: and (3) defoaming the mixed solution B under the condition of reduced pressure to obtain the primer for the super-hydrophobic nano adsorbent.
Specifically, the organosilane coupling agent is ethyl orthosilicate.
Specifically, the solvent is cyclopentanone.
In particular, the thickener is in particular hydroxyethyl methacrylate (HEMA).
Specifically, the particle size of the silica nanoparticles is 10-60nm.
Specifically, the thickness of the graphene nano-sheet is less than 5nm, and the length is in the range of 0.5-5 μm.
Further, the mixed solution B is defoamed under the vacuum condition; definition when the viscosity of the mixed solution B is 100-150 mm 2 And (3) defining that the defoaming process is qualified when the primer is/s, and preparing the primer for the super-hydrophobic nano adsorbent.
Further, the temperature is kept at 20-30 ℃ and the humidity is not higher than 19.20% in the defoaming process.
Additional to be described is: phenolic resin prepolymers are polymeric compounds formed by the polycondensation of phenols and aldehydes. Its molecular weight may vary depending on the synthesis conditions and reaction time. Generally, the molecular weight of the phenolic resin prepolymer is between thousands and hundreds of thousands, and the molecular weight of the phenolic resin prepolymer is 2000.
Example 2
The preparation method of the primer for the super-hydrophobic nano-adsorbent comprises the following materials in parts by weight: 50 parts of silicon dioxide nano particles, 30 parts of graphene nano sheets, 15 parts of organosilane coupling agent, 15 parts of 3-aminopropyl trimethoxy silane, 65 parts of solvent, 35 parts of phenolic resin prepolymer, 15 parts of acrylic resin and 5 parts of thickener;
the preparation method comprises the following specific preparation steps:
s1: sequentially adding silicon dioxide nano particles, graphene nano sheets, an organosilane coupling agent, 3-aminopropyl trimethoxy silane and a solvent into a reaction kettle, and uniformly stirring and mixing to obtain a mixed solution A;
s2: adding phenolic resin prepolymer, acrylic resin and thickener into the mixed solution A, and stirring and mixing uniformly to obtain mixed solution B;
s3: and (3) defoaming the mixed solution B under the condition of reduced pressure to obtain the primer for the super-hydrophobic nano adsorbent.
Specifically, the organosilane coupling agent is specifically azo diisocyanate.
Specifically, the solvent is ethyl acetate.
In particular, the thickener is in particular Polyurethane (PU), which is sufficient for the purposes of the conventional polyurethanes and is not required here in any way.
Specifically, the particle size of the silica nanoparticles is 10-60nm.
Specifically, the thickness of the graphene nano-sheet is less than 5nm, and the length is in the range of 0.5-5 μm.
Further, the mixed solution B was defoamed under vacuum.
Specifically, the viscosity of the mixed solution B is defined as 100 to 150mm 2 And (3) defining that the defoaming process is qualified when the primer is/s, and preparing the primer for the super-hydrophobic nano adsorbent.
Further, the temperature is kept at 20-30 ℃ and the humidity is not higher than 19.20% in the defoaming process.
Example 3
The preparation method of the primer for the super-hydrophobic nano-adsorbent comprises the following materials in parts by weight: 30 parts of silicon dioxide nano particles, 20 parts of graphene nano sheets, 10 parts of organosilane coupling agent, 10 parts of 3-aminopropyl trimethoxy silane, 45 parts of solvent, 20 parts of phenolic resin prepolymer, 10 parts of acrylic resin and 3 parts of thickener;
the preparation method comprises the following specific preparation steps:
s1: sequentially adding silicon dioxide nano particles, graphene nano sheets, an organosilane coupling agent, 3-aminopropyl trimethoxy silane and a solvent into a reaction kettle, and uniformly stirring and mixing to obtain a mixed solution A;
s2: adding phenolic resin prepolymer, acrylic resin and thickener into the mixed solution A, and stirring and mixing uniformly to obtain mixed solution B;
s3: and (3) defoaming the mixed solution B under the condition of reduced pressure to obtain the primer for the super-hydrophobic nano adsorbent.
Specifically, the organosilane coupling agent is ethyl orthosilicate.
Specifically, the solvent is cyclopentanone.
Specifically, the thickener is polyvinyl alcohol (PVA). Conventional polyvinyl alcohols are only necessary, and no unnecessary demands are made here.
Specifically, the particle size of the silica nanoparticles is 10-60nm.
Specifically, the thickness of the graphene nano-sheet is less than 5nm, and the length is in the range of 0.5-5 μm.
Further, the mixed solution B was defoamed under vacuum.
Specifically, the viscosity of the mixed solution B is defined as 100 to 150mm 2 And (3) defining that the defoaming process is qualified when the primer is/s, and preparing the primer for the super-hydrophobic nano adsorbent.
Further, the temperature is kept at 20-30 ℃ and the humidity is not higher than 19.20% in the defoaming process.
Example 4
The preparation method of the primer for the super-hydrophobic nano-adsorbent comprises the following materials in parts by weight: 45 parts of silicon dioxide nano particles, 25 parts of graphene nano sheets, 8 parts of organosilane coupling agent, 13 parts of 3-aminopropyl trimethoxy silane, 50 parts of solvent, 30 parts of phenolic resin prepolymer, 13 parts of acrylic resin and 4 parts of thickener;
the preparation method comprises the following specific preparation steps:
s1: sequentially adding silicon dioxide nano particles, graphene nano sheets, an organosilane coupling agent, 3-aminopropyl trimethoxy silane and a solvent into a reaction kettle, and uniformly stirring and mixing to obtain a mixed solution A;
s2: adding phenolic resin prepolymer, acrylic resin and thickener into the mixed solution A, and stirring and mixing uniformly to obtain mixed solution B;
s3: and (3) defoaming the mixed solution B under the condition of reduced pressure to obtain the primer for the super-hydrophobic nano adsorbent.
Specifically, the organosilane coupling agent is specifically azo diisocyanate.
Specifically, the solvent is cyclopentanone.
Specifically, the thickener is specifically Polyurethane (PU).
Specifically, the particle size of the silica nanoparticles is 10-60nm.
Specifically, the thickness of the graphene nano-sheet is less than 5nm, and the length is in the range of 0.5-5 μm.
Further, the mixed solution B was defoamed under vacuum.
Specifically, the viscosity of the mixed solution B is defined as 100 to 150mm 2 Definition of the separation at/sAnd (5) qualified soaking process, and preparing the primer for the super-hydrophobic nano adsorbent.
Further, the temperature is kept at 20-30 ℃ in the defoaming process, and the relative humidity is not higher than 19.20%.
Example 5
The preparation method of the primer for the super-hydrophobic nano-adsorbent comprises the following materials in parts by weight: 25 parts of silicon dioxide nano particles, 15 parts of graphene nano sheets, 11 parts of organic silane coupling agent, 8 parts of 3-aminopropyl trimethoxy silane, 30 parts of solvent, 34 parts of phenolic resin prepolymer, 7 parts of acrylic resin and 2 parts of thickener;
the preparation method comprises the following specific preparation steps:
s1: sequentially adding silicon dioxide nano particles, graphene nano sheets, an organosilane coupling agent, 3-aminopropyl trimethoxy silane and a solvent into a reaction kettle, and uniformly stirring and mixing to obtain a mixed solution A;
s2: adding phenolic resin prepolymer, acrylic resin and thickener into the mixed solution A, and stirring and mixing uniformly to obtain mixed solution B;
s3: and (3) defoaming the mixed solution B under the condition of reduced pressure to obtain the primer for the super-hydrophobic nano adsorbent.
Specifically, the organosilane coupling agent is specifically azo diisocyanate.
Specifically, the solvent is cyclopentanone.
Specifically, the thickener is specifically any one of polyvinyl alcohol (PVA).
Specifically, the particle size of the silica nanoparticles is 10-60nm.
Specifically, the thickness of the graphene nano-sheet is less than 5nm, and the length is in the range of 0.5-5 μm.
Further, the mixed solution B was defoamed under vacuum.
Specifically, the viscosity of the mixed solution B is defined as 100 to 150mm 2 And (3) defining that the defoaming process is qualified when the primer is/s, and preparing the primer for the super-hydrophobic nano adsorbent.
Further, the temperature is kept at 20-30 ℃ and the humidity is not higher than 19.20% in the defoaming process.
The comparative examples of the present application give a data comparison table of the present application with the existing primer, the preparation method in example 1 is selected as a reference, and the performance is referred to in table 1:
table 1: data Performance reference Table
As can be seen from the above table, the primer coating of the present application has significant advantages in terms of coating uniformity, coating strength, durability, adsorption capacity, etc., as compared with the conventional primer coating. These advantages benefit from the details of the particular thickener selected for use in the present application, controlling the mass fraction of phenolic resin prepolymer, and the like. Specifically, the primer coating of the application has improved coating uniformity of about 2.3% compared with the traditional coating, improved coating strength of about 61.6%, improved durability of about 150% and improved adsorption capacity of about 250%. Therefore, the primer coating provided by the application has higher practical value and application prospect.
Compared with the prior art, the application has the following beneficial effects:
1. the silicon dioxide nano particles and the graphene nano sheets are used as composite filler, so that the hydrophobic property and the adsorption property of the coating are enhanced;
2. the 3-aminopropyl trimethoxy silane plays a role in interfacial chemical connection, so that the binding force between the inorganic nano filler and a resin matrix is enhanced;
3. the phenolic resin prepolymer provides good film forming performance, and the acrylic resin enhances the weather resistance of the coating film;
4. the organic silane coupling agent enables the inorganic nano particles to be in interfacial chemical connection with the resin, so that the stability and the service life of the primer are enhanced; the acrylic resin enhances the weather resistance of the primer; the thickening agent adjusts the viscosity of the primer so as to be convenient to use;
5. the method has the advantages of simple raw material acquisition, controllable preparation process and suitability for industrial production;
in summary, the application provides a preparation method of the primer for the super-hydrophobic nano-adsorbent, which has simple and controllable preparation process, and the obtained product has excellent hydrophobicity and adsorptivity, and can be widely applied to coating of building outer walls, roofs and the like.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (9)
1. The preparation method of the primer for the super-hydrophobic nano-adsorbent is characterized by comprising the following materials in parts by weight: 20-50 parts of silicon dioxide nano particles, 10-30 parts of graphene nano sheets, 5-15 parts of organosilane coupling agents, 5-15 parts of 3-aminopropyl trimethoxy silane, 25-65 parts of solvents, 10-35 parts of phenolic resin prepolymers, 5-15 parts of acrylic resin and 1-5 parts of thickening agents;
the preparation method comprises the following specific preparation steps:
s1: sequentially adding silicon dioxide nano particles, graphene nano sheets, an organosilane coupling agent, 3-aminopropyl trimethoxy silane and the solvent into a reaction kettle, and uniformly stirring and mixing to obtain a mixed solution A;
s2: adding phenolic resin prepolymer, acrylic resin and the thickener into the mixed solution A, and uniformly stirring and mixing to obtain mixed solution B;
s3: and (3) defoaming the mixed solution B under the condition of reduced pressure to obtain the primer for the super-hydrophobic nano adsorbent.
2. The method for preparing the primer for the super-hydrophobic nano-adsorbent according to claim 1, wherein the method comprises the following steps: the organosilane coupling agent is specifically any one of tetraethoxysilane or azo diisocyanate.
3. The method for preparing the primer for the super-hydrophobic nano-adsorbent according to claim 2, wherein: the solvent is specifically any one of cyclopentanone or ethyl acetate.
4. The method for preparing the primer for the super-hydrophobic nano-adsorbent according to claim 3, wherein: the thickener is specifically any one of hydroxyethyl methacrylate (HEMA), polyurethane (PU) or polyvinyl alcohol (PVA).
5. The method for preparing the primer for the super-hydrophobic nano-adsorbent according to claim 4, wherein the method comprises the following steps: the particle size of the silica nanoparticles is 10-60nm.
6. The method for preparing the primer for the super-hydrophobic nano-adsorbent according to claim 5, wherein the method comprises the following steps: the thickness of the graphene nano sheet is smaller than 5nm, and the length is in the range of 0.5-5 mu m.
7. The method for preparing the primer for the super-hydrophobic nano-adsorbent according to claim 6, wherein the method comprises the following steps: and (3) defoaming the mixed solution B under a vacuum condition.
8. The method for preparing the primer for the super-hydrophobic nano-adsorbent according to claim 7, wherein: definition when the viscosity of the mixed solution B is 100 to 150mm 2 And (3) defining that the defoaming process is qualified when the primer is/s, and preparing the primer for the super-hydrophobic nano adsorbent.
9. The method for preparing the primer for the super-hydrophobic nano-adsorbent according to claim 8, wherein the method comprises the following steps: the temperature is kept at 20-30 ℃ and the relative humidity is not higher than 19.20% in the defoaming process.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587075A (en) * | 2015-10-14 | 2017-04-26 | 香港理工大学 | Preparation method for super-hydrophobic silica particle and super-hydrophobic coating |
| CN107987675A (en) * | 2017-12-15 | 2018-05-04 | 杭州纳微生物化学有限公司 | A kind of wear-resisting super hydrophobic coating composition and its preparation method and application |
| CN109554036A (en) * | 2018-11-30 | 2019-04-02 | 昆明理工大电力工程技术有限公司 | A kind of dedicated super hydrophobic coating of the electric power of room temperature curing and its preparation, application method |
| CN109777260A (en) * | 2019-01-28 | 2019-05-21 | 中国科学院兰州化学物理研究所 | A method of traditional coating is changed into super hydrophobic coating |
| CN110016287A (en) * | 2019-03-26 | 2019-07-16 | 江门华材实业有限公司 | A kind of graphene composite energy-saving protective coating and its preparation method and application |
| US20210403755A1 (en) * | 2020-06-29 | 2021-12-30 | Ndsu Research Foundation | Curable coating compostions comprising nanoparticle-polymer compositions and superamphiphobic nanoparticles having anti-corrosion and superamphiphobicity properties |
| CN114058227A (en) * | 2021-11-30 | 2022-02-18 | 南昌航空大学 | Preparation method of fluorine-free wear-resistant super-hydrophobic ice-covering-resistant coating with photo-thermal effect |
| CN114133772A (en) * | 2021-12-31 | 2022-03-04 | 武汉理工大学 | Durable super-amphiphobic thin film material with gradient structure and preparation method thereof |
-
2023
- 2023-07-31 CN CN202310948544.XA patent/CN116948484A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587075A (en) * | 2015-10-14 | 2017-04-26 | 香港理工大学 | Preparation method for super-hydrophobic silica particle and super-hydrophobic coating |
| CN107987675A (en) * | 2017-12-15 | 2018-05-04 | 杭州纳微生物化学有限公司 | A kind of wear-resisting super hydrophobic coating composition and its preparation method and application |
| CN109554036A (en) * | 2018-11-30 | 2019-04-02 | 昆明理工大电力工程技术有限公司 | A kind of dedicated super hydrophobic coating of the electric power of room temperature curing and its preparation, application method |
| CN109777260A (en) * | 2019-01-28 | 2019-05-21 | 中国科学院兰州化学物理研究所 | A method of traditional coating is changed into super hydrophobic coating |
| CN110016287A (en) * | 2019-03-26 | 2019-07-16 | 江门华材实业有限公司 | A kind of graphene composite energy-saving protective coating and its preparation method and application |
| US20210403755A1 (en) * | 2020-06-29 | 2021-12-30 | Ndsu Research Foundation | Curable coating compostions comprising nanoparticle-polymer compositions and superamphiphobic nanoparticles having anti-corrosion and superamphiphobicity properties |
| CN114058227A (en) * | 2021-11-30 | 2022-02-18 | 南昌航空大学 | Preparation method of fluorine-free wear-resistant super-hydrophobic ice-covering-resistant coating with photo-thermal effect |
| CN114133772A (en) * | 2021-12-31 | 2022-03-04 | 武汉理工大学 | Durable super-amphiphobic thin film material with gradient structure and preparation method thereof |
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