LU502621B1 - Preparation method of self-repairing super-hydrophobic agent - Google Patents
Preparation method of self-repairing super-hydrophobic agent Download PDFInfo
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- LU502621B1 LU502621B1 LU502621A LU502621A LU502621B1 LU 502621 B1 LU502621 B1 LU 502621B1 LU 502621 A LU502621 A LU 502621A LU 502621 A LU502621 A LU 502621A LU 502621 B1 LU502621 B1 LU 502621B1
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
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Abstract
The present invention provides a preparation method of self-repairing super-hydrophobic agent, and relates to the technical field of hydrophobic coatings. The preparation method of the self-repairing super-hydrophobic agent comprises the following components in parts by weight: 5-10 parts of hydrophobic deep-eutectic solvents, 10-25 parts of organic fluorosilicone modified acrylic resin, 3-5 parts of defoamer, 5-10 parts of hydrophobic filler, 10-25 parts of short magnetic melt-blown fiber, 5-10 parts of hexafluoroisopropyl epoxy resin, 3-5 parts of nitrogen-containing fluoroalkyl methacrylate, 3-5 parts of rough C60 and 3-5 parts of ZnO/Co composite hollow nanofiber. The self-repairing ability of the super-hydrophobic agent can be changed by the cooperation of short magnetic melt-blown fiber and ZnO/Co composite hollow nanofiber, and the impact depth becomes shallower by 35%-45% under the action of the connecting tension among the components, while the super-hydrophobic layer on the surface is restored to be complete.
Description
: LU502621
Preparation method of self-repairing super-hydrophobic agent
The present invention relates to the technical field of hydrophobic coatings, mn particular to a preparation method of a self-repairing super-hydrophobic agent.
Hydrophobic agent is a Kind of compound that can agaregate on the surface of costing or substrate, resulting in the effect of reducing surface tension and hydrophilicity.
À good hydrophobic agent can make the contact angle of water far greater than 80°
Hydrophobic agent has two ways of action, the first one is to add it to the coating, so that the cured coating film has good waterproof property and kesps certain air permeability; the second ong is Io permesle into porous materials (inorganic building materials, wood, ste), making the matenals hydrophobic, while maintairing the permeability of micropores.
At present, the seif-repairing rate of self-repairing super-hydrophobic products on the market is related to the wall surface. After the wall surface attached with self-repairing super-hydrophobic products is hit generate a concave depth of 0.5mm, the self-repairing efficiency decreases due to the change of the wall surface structure, and the hydrophobicity of the hit position greatly decreases.
{1} Technical problems fo be solved
Amina at the shortcomings of the prior art, the present invention provides a preparation method of a selfvepairing super-hydrophobic agent, which solves the problem that the super-hydrophobic agent can not complets the hydrophobic seif- repairing when the wall is hit to generale a concave depth of 0.5mm. {2} Technical scheme in order to achieve the above purpose, the present invention is realized through the following technical scheme: the preparation method of seif-repairing super-hydrophobic agent, which comprises the following components in parts by weight 5-10 parts of hydrophobic desp-sutectic soivents, 10-25 parts of organic fluorosihoone modified acrylic resin, 3-5 parts of defcamer, 5-10 parts of hydrophobic filler, 10-25 parts of short magnetic mait-blown fiber, 5-10 parts of hexafiuoroisopropyl epoxy resin, 3-5 parts of nitrogen- containing fluoroalkyl methacrylate, 3-5 parts of rough Cas, and 3-5 parts of £nO/Co composite hollow nancñiber,
Comprising the following preparation method:
Step 1: preparing short magnetic melt-blown fibers
Fully mix the eleciret masterbatch and polypropylens at the weight ratio of 1: 3, melt-
Glow into long magnetic meit-blown fibers, cut the long magnetic meit-blown fibers indo semi-finished short magnetic melt-biown fibers of 0,05-0 1mm, and then raat the sem finished short magnetic meit-blown fibers with oxygen plasma to obtain finished short magnetic melt-biown fibers with rough surfaces,
Step 2: preparing ingredient À
Take hydrophobic filler and Zn0/Co composite hollow nancfiber, dry them at 35-45°C for 1-2h, add them into hydrophobic deep-eutectic solvents, heat the mixed hydrophobic deep-eutectic solvents, hydrophobic filler and ZnO/Co composite hollow nanofiber to 55- 80°C, and finally fully mix them in an ultrasonic stirring device to obtain ingredient À
Step 3: preparing the ingredient 5,
Fully mix organic fluorosihicons modified acrylic resin, short magnetic meit-Blown fiber, hexafiuoroisopropyl epoxy resin, nitrogen-containing fluoroalky! methacrviate and rough Ces and charge by electric feld fo obtain ingredient B;
Step 4: preparing the super-hydrophobic agent
When in use, mix the ingredients A and B together, and add the defoamer in three times in the process to obtain the super-hydrophobic agent which can be used in the field after full mixing.
Preferably, the hydrophobic filler is any one of hydrophobic nanc-silica, nano-fitania or nanc-calcium oxide.
Preferably, the rough Ces is made of Ce by Oxygen plasma treatment, and the surface is rough.
Preferably, the defcamer is any ong of non-silicon type, polyether type or polyether modified silicone types.
’ LU502621
Preferably, the ZnO/Co composite hollow nanofiber Is a short fiber with a length of 0.050. 1mm.
Preferably, the time difference between the preparation of ingredient À and ingredient B is no more than 10min.
Preferably, the suner-hydrophobic agent needs to De used up within 1.5h after being prepared. {3} Beneficial effects
The present invention provides a preparation method of self-repairing super- hydrophobic agent, It has the following beneficial effects:
According to the present invention, the seif-repairing ability of the super-hydrophobic agent can be changed by the cooperation of the short magnetic melt-biown fiber and
ZnGiCo composite hollow nanofiber, and the impact depth becomes shallower by 35%- 45% under the action of the connecting tension among the components, while the super- hydrophobic layer on the surface is restorsd to be complete; meanwhile, the adhesion with the wall is improved by the cooperation of the short magnetic meit-blown fiber,
Zn0/0o composite holiow nancfiber and rough Cee, thus preventing the super hydrophobic layer from being broken or detached.
The technical schemes in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present invention, but not all of them, Based on the embodiment of the present invention, ail other embodiments obtained by ordinary technicians in the field without creative labor are within the scope of the present invention,
Embodiment 1:
The embodiment of the present invention provides a preparation method of seif- repairing super-hydrophobic agent, which comprises the following components in parts
Ly weight 5 parts of hydrophobic deep-eulectic soivents, 10 parts of organic fluorosiiicone modified acrylic resin, 3 parts of defoamer, 5 parts of hydrophobic nans- silica, 10 parts of short magnetic meit-blown fiber, 5 parts of hexahiuoroisopropy! epoxy resin, 2 parts of nitrogen-containing fluoroalky! methacrylate, 3 parts of rough Gap and 3 parts of ÉnO/Co composite hollow nanofiber;
Comprising the following preparation method:
Step 1. praparing short magnetic melt-blown fibers
Fully mix the electret masterbaich and polypropylene at the weight ratio of 1: 3, meli- blow into long magnetic meit-blown fibers, cut the long magnetic meït-blown fibers into semi-finished short magnetic melt-biown fibers of 0.1mm, and then treat the semi-finished short magnetic melt-blown fibers with oxygen plasma to obtain finished short magnetic meit-blown fibers with rough surfaces, by processing the surface of the finished short magnetic melt-blown fiber into rough shape, the bonding reliability of it with other components can be improved:
Step Z: preparing ingredient À
Take hydrophobic nanc-silica and ZnO/Co composite hollow nanofiber, dry them at 35.37°C for 1h, and add them into hydrophobic deep-eutectic solvents, so as to reduce the moisture in ZnC/Co composite hollow nancliber and be convenient for hydrophobic deep-autectic solvents to enter ZnG/Co composite hollow nancîiber, after that, heat the mixed hydrophobic desp-sulectic solvents, hydrophobic nano-silica, and £nO/Co composite hollow nanofiber to 65°C, and finally fully mix them in an ullrasonic stirring device to obtain ingredient À After the temperature is risen to 65°C, ultrasonic string is to reduce the air the above three components, wherein the Zn0/Co composite hollow nanofiber is 0.05mm in lengthy,
Step 3: preparing the ingredient 5
Fully mix organic fluorosihicons modified acrylic resin, short magnetic meit-Blown fiber, hexafiuoroisopropyl epoxy resin, nitrogen-containing fluoroalky! methacrviate and rough Cee and charge by electric field to obtain ingredient B, wherein the rough Can is made of Can by Oxygen plasma treatment, and the surface is rough;
Step 4 preparing the super-hydrophobic agent
The time differance between the preparation of ingredient A and ingredient B is no more than 10min. When in use, mix the ingredients A and B together, and add the polyether defoamer in threes times in the process to obtain the super-hydrophobic agent which can be used in the field after full mixing. The super-hydrophobic agent needs Io be
Used up within 15h after being prepared.
Embodiment 2:
) LU502621
The embodiment of the present invention provides a preparation method of seif- repairing supar-hydrophobic agent, which comprises the following components in parts by weight 10 parts of hydrophobic deep-eutectic solvents, 25 parts of organic fluorositicone modified acrylic resin, 5 parts of defoamer, 10 parts of hydrophobic nanc- silica, 25 parts of short magnetic melt-biown fiber, 10 paris of hexafiuoroisopropyl epoxy resin, 5 parts of nitrogen-containing fluorcalkey! methacrylate, 5 parts of rough Cap and 5 parts of 2nO/Co composite hollow nanofiber,
Comprising the following preparation method:
Step 1: preparing short magnetic melt-blown fibers
Fully mix the eleciret masterbatch and polypropylene at the weight ratio of 1. 3, melt- blow Into long magnetic melt-blown fibers, cut the long magnetic melt-blown fibers into semi-finished short magnetic melt-biown fibers of 0.05mm, and then treat the sem finished short magnetic melt-blown fibers with oxygen plasma to obtain finished short magnetic melt-Diown fibers with rough surfaces; by processing the surface of the finished short magnetic msit-blown fiber into rough shape, the bonding reliability of it with other components can be improved:
Step 2: preparing ingredient À
Take hydrophobic nano-silica and Zn0/Co composite hollow nanofiber, dry them at 44-45°C for 2h, and add them into hydrophobic deap-eutectic solvents, So as to reduce the moisture in £nO/Co composite hollow nanofiber and be convenient for hydrophobic desp-eutectio solvents to enter Zn0/Co composite hollow nanofiber; after that, heat the mixed hydrophobic deep-eutectic solvents, hydrophobic nano-silica, and ZnO/Go composite hollow nanofiber to 80°C, and finally fully mix them in an ultrasonic stirring device to obtain ingredient À After the temperature is risen to 80°C, ultrasonic stirring is to reduce the air the above three components, wherein the Zn0/Co composite hollow nancfiber is 0.1mm in length;
Step 3: preparing the ingredient B
Fully mix orgarie fiuorosilicons modified acrylic resin, short magnetic melt-biown fiber, hexafluoroisopropyt epoxy resin, nitrogen-containing fluoroalkyl methacrylate and fough Che and charge by electric field to obtain ingredient B;, wherein the rough Cac is made of Cao by Oxygen plasms treatment, and the surface is rough,
Step À praparing the super-hydrophobic agent
The time difference between the preparation of ingredient À and ingredient B is no more than 10min. When in use, mix the ingredients À and B together, and add the polyether defcamer in three times in the process to ontain the super-hydrophobic agent which can be used in the field after full mixing. The super-hydrophobic agent needs Io be
Used up within 1.5h after being prepared.
Embodiment 3
The embodiment of the present invention provides a preparation method of seif- repairing super-hydrophobic agent, which comprises the following components in parts by weight 8 parts of hydrophobic desp-eutectic solvents, 20 parts of organic fiuorosiiicone modified acrylic resin, 4 parts of defcamer, © parts of hydrophobic nanc- silica, 22 parts of short magnetic melt-blown fiber, 7 parts of hexafluoroisopropyl époxy resin, 4 paris of nitrogen-containing fluorcaikyl methacrylate, 4 paris of rough Cen and 4 parts of Zn0/Co composite hollow nanotiber,
Comprising the following preparation method:
Step 1: preparing short magnetic meli-blown fibers
Fully mix the siectret masterbaich and polypropylene at the weight ratio of 1: 3, meli- blow into long magnetic meit-blown fibers, cut the long magnetic meit-blown fibers into sermi-finished short magnetic mell-blown fibers of (08mm, and then treat the semi- finished short magnetic meit-blown fibers with oxygen plasma to obtain finished short magnetic melt-biown fibers with rough surfaces; by processing the surface of the finished short magnetic meli-blown fiber into rough shape, the bonding reliability of it with other components can be improved;
Step 2: preparing ingredient À
Take hydrophobic nano-silica and 2nO/Co composite hollow nanofiber, dry them at 40-42°C for 1.80, and add them into hydrophobic deep-eutectic solvents, so as to reduce the moisture in ZnO/Co composite hollow nanofiber and be convenient for hydrophobic deep-eutectic solvents Io enter ZnO/Co composite hollow nancfiber, after that, heat the mixed hydrophobic desp-sutectic solvents, hydrophobic nano-silica, and Zn0/Co composite hollow nanofiber to 75°C, and finally fully mix them in an ultrasorie stirring device to obtain ingredient A. After the temperature is risen to 75°C, ultrasonic stirring is to reduce the air the above three components, wherein the Z2n0/Co composite hollow nanofiber is 0.1mm in length;
Step 3; preparing the ingredient 8
Fully mix organic fiucrosiiicone modified acrylic resin, short magnetic met-bliown fiber, hexafluoroisopropyt epoxy resin, nitrogen-contairing fluoroalkyl methacrylais and rough Cee and charge by electric field to obtain ingredient B; wherein the rough Cac is made of Cao by oxygen plasma treatment, and the surface is rough,
Step À preparing the super-hydrophobic agent
The tims difference between the preparation of ingredient A and ingredient B is no more than 10min. When in use, mix the ingredients À and B together, and add the polyether defcamer in three times in the process to obtain the super-hydrophobie agent which can be used in the field after full mixing. The super-hydrophobic agent nesds to be used up within 1.50 after being prepared. in Embodiments 1 to 3, when the impact depth is 0.5mm, the self-repairing time is 5
Grain, S-7min and 1.5-2.5min respectively, When the self-repainng super-hydrophobic agent is attached to the wall surface by using an electric field, the self-repairing efficiency is improved by 45%-55%. The order of bonding reliability in use is as follows: Embodiment 3, Embodiment 2 and Embodiment 1.
Although the embodiments of the present invention have been shown and described, t will be undersiood by those skilled in the art that many changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
1. The preparation method of self-repairing suner-hydrophobic agent, characterized in that the super-hydrophobic agent comprises the following components in parts by weight: 5-10 parts of hydrophobic deep-eutectic solvents, 10-25 parts of organic fiuorcsiticons modified acrylic resin, 3-5 paris of defcamer, 5-10 paris of hydrophobic filler, 10-25 parts of short magnetic melt-biown fiber, 5-10 parts of hexafiuoroiSonronyl epoxy resin, 3-5 paris of nitrogen-containing fluorcalkyi methacrviate, 3-5 parts of rough Cao and 3-5 parts of £n0/Go composite hollow nanofiber: comprising the following preparation method: step 1: preparing short magnetic melt-blown fibers fully mix the siectret masterbatch and polypropylene at the weight ratio of 1: 3, meit- blow Into long magnetic melt-blown fibers, cut the long magnetic meait-blown fibers Into semi-finished short magnetic melt-Diown fibers of 0,05-0 1mm, and then treat the sem finished short magnetic meli-blown fibers with oxygen plasma to obtain finished short magnetic melt-Diown fibers with rough surfaces, step 2: preparing ingredient A take hydrophobic filler and Zn0/Co composite hollow nanofiber, dry them at 35-45°C for 1-2h, add them into hydrophobic desp-eutectic solvents, heat the mixed hydrophobic deep-eutectic solvents, hydrophobic filler and ZnO/Co composite hollow nanofiber to 55- 80°C, and finally fully mix them in an ultrasonic stirring device to obtain ingredient À step à preparing the ingredient 5 fully mix organic fluorositicone modified acrylic resin, short magnetic meit-blown fiber, haxafiuoroisopropyl epoxy resin, nitrogen-containing fluoroalky! methacrylate and rough Cao and charge by electric field to oblgin ingredient 5; step 4: preparing the super-hydrophobic agent when In use, mix the ingredients À and B together, and add the defoamer in three times in the process to obtain the super-hydrophobic agent which can be used in the field after full mixing,
à. The preparation method of self-repairing supsr-hydrophobic agent according to claim 1, characterized in that the hydrophobic filler is any ong of hydrophobic nang-silica, rano-titania or nano-calcium oxide,
3. The preparation method of self-repairing super-hydrophobic agent according is claim 1, characterized in that the rough Cee is obtained by oxygen plasma treaiment of Cao, and the surface is rough.
4. The preparation method of self-repairing super-nydrophobic agent according to claim 1, characterized in that the defcarmer is any one of non-silicon type, polyether type or polyether modified silicone type.
&. The preparation method of self-repairing super-hydrophobic agent according ic claim 1, characterized in that the Zn0/Co composite hollow nanofiber is a short fiber with a length of G.05-0 1mm.
8. The preparation method of self-repairing super-nydrophobic agent according to claim 1, which is characterized in that the time difference between the preparation of ingredient À and ingredient B is no mors than 10min.
7. The preparation method of self-repairing super-hydrophobic agent according is claim 1, characterized in that the superhydrophobic agent needs to be used up within
1.5h after being prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU502621A LU502621B1 (en) | 2022-08-02 | 2022-08-02 | Preparation method of self-repairing super-hydrophobic agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU502621A LU502621B1 (en) | 2022-08-02 | 2022-08-02 | Preparation method of self-repairing super-hydrophobic agent |
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| Publication Number | Publication Date |
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| LU502621B1 true LU502621B1 (en) | 2023-02-02 |
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| LU502621A LU502621B1 (en) | 2022-08-02 | 2022-08-02 | Preparation method of self-repairing super-hydrophobic agent |
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- 2022-08-02 LU LU502621A patent/LU502621B1/en active IP Right Grant
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