CN113441371A - Self-expansion type nano waterproof coating process - Google Patents
Self-expansion type nano waterproof coating process Download PDFInfo
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- CN113441371A CN113441371A CN202110525564.7A CN202110525564A CN113441371A CN 113441371 A CN113441371 A CN 113441371A CN 202110525564 A CN202110525564 A CN 202110525564A CN 113441371 A CN113441371 A CN 113441371A
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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
- 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
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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
- 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
- B05D3/02—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 baking
- B05D3/0254—After-treatment
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- 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
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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
- B05D2301/00—Inorganic additives or organic salts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B05D2320/00—Organic additives
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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
- B05D2504/00—Epoxy polymers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
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Abstract
The invention discloses a self-expanding nano waterproof coating process, which belongs to the technical field of nano coating and can improve raw materials, and a plurality of filling microspheres which are consistent with the thickness of the coating are introduced on the coating, once the area with the thinner coating thickness appears, the filling microspheres in the area partially extend out of the coating to be contacted with the external environment, so that the filling microspheres chemically react with oxygen in the air to generate heat, then the coating is heated to trigger local expansion, so that the surrounding coating is extruded to fill the difference thickness, the filling microspheres are isolated from contacting with the external environment when the coating thickness is enough, the filling microspheres do not expand any more, the coating is reserved in the coating after being cured and firstly cracks when stressed, and then the coating contacts with air again to trigger expansion action, the cracks are blocked to realize temporary waterproofing, and the waterproofing performance of the waterproof coating can be greatly improved.
Description
Technical Field
The invention relates to the technical field of nano coating, in particular to a self-expansion type nano waterproof coating process.
Background
Due to the small size effect, the surface effect, the quantum size effect, the macroscopic quantum tunneling effect and the like of the nano particles, the nano particles have the characteristics which are not possessed by the conventional materials in the aspects of magnetism, light, electricity, sensitivity and the like. Therefore, the nano particles have wide application prospects in the aspects of sintering, catalysis, sensing, ceramic toughening and the like of magnetic materials, electronic materials, optical materials and high-density materials. In general, nanocoatings must satisfy two conditions: firstly, the grain size of at least one phase in the coating is in the grain size range of 1-100 nm; secondly, the existence of the nano phase leads the performance of the coating to be obviously improved or has new functions.
After the nano product has high technical meaning, the nano product must be matched with corresponding nano technology, and after the nano material is simply added, the product with no obvious improved performance is not a nano product, so that it is said that the nano coating is more suitable to be called nano composite coating, and the coating itself is one kind of composite material, so that the coating added with nano material can be called nano coating.
The waterproof coating has extremely wide application in the market, when the nanotechnology is combined with the waterproof coating, the waterproof performance is obviously improved, but the nanometer coating is difficult to effectively control the uniform thickness during coating, so that the strength and the waterproof performance of the nanometer coating are not uniform, the waterproof coating is easy to crack, and once the waterproof performance is cracked, the waterproof performance is obviously reduced or even disappears.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a self-expanding nano waterproof coating process, by modifying the raw materials and introducing a plurality of filling microspheres which are consistent with the thickness of the coating on the coating, once the regions with thinner coating thickness appear, the filling microspheres in the area partially extend out of the coating to be contacted with the external environment, so that the filling microspheres chemically react with oxygen in the air to generate heat, then the coating is heated to trigger local expansion, so that the surrounding coating is extruded to fill the difference thickness, the filling microspheres are isolated from contacting with the external environment when the coating thickness is enough, the filling microspheres do not expand any more, the coating is reserved in the coating after being cured and firstly cracks when stressed, and then the coating contacts with air again to trigger expansion action, the cracks are blocked to realize temporary waterproofing, and the waterproofing performance of the waterproof coating can be greatly improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A self-expanding nano waterproof coating process comprises the following steps:
s1, washing the surface of the sample to be coated with deionized water, and then drying and horizontally placing;
s2, weighing the following raw materials in parts by weight: 50-60 parts of epoxy resin, 10-20 parts of nano titanium dioxide, 20-30 parts of curing agent, 5-10 parts of talcum powder, 1-2 parts of dispersant and 10-15 parts of organic solvent, and uniformly mixing to obtain nano coating;
s3, uniformly spraying the nano coating on the surface of the sample to be coated, and then uniformly embedding a plurality of filling microspheres into the coating;
s4, applying a magnetic field below the sample to be coated to adjust the posture of the leveling microspheres in the coating, and standing for 3-5 min;
and S5, heating and drying the sample to be coated to form the nano waterproof coating after the leveling microspheres cannot be observed on the surface of the coating.
Further, the curing agent in the step S2 is one of ethylenediamine, hexamethylenediamine, ethanolamine, diethanolamine or triethanolamine, the dispersing agent is one of polycarboxylic acid, sodium polyacrylate or polyacrylamide, and the organic solvent is n-butanol.
Further, in the step S2, the particle size of the nano titanium dioxide is 5-30nm, and the specific surface area is 80-200m2/g。
Further, fill out the flat microballon and include perception hemisphere, inflation hemisphere, magnetism and inhale end and ventilated membrane, perception hemisphere and inflation hemisphere symmetric connection, magnetism is inhaled the end and is inlayed and connect in the one end that the perception hemisphere was kept away from to the inflation hemisphere, the ventilated membrane is inlayed and is connected in the one end that the inflation hemisphere was kept away from to the perception hemisphere, and under the effect of magnetic field to magnetism end, the inflation hemisphere is located the downside of perception hemisphere all the time, by ventilated membrane perception and external environment's isolated state, when contacting external environment, the air enters into the perception hemisphere through the ventilated membrane to take place chemical reaction and heat the inflation of forcing its expansion to the inflation hemisphere, then the inflation hemisphere that is located the coating inboard can fully extrude the coating and fill out the flat thickness.
Furthermore, the sensing hemisphere is made of a hard heat insulation material into a hollow structure, a powder mixture of a self-heating material and a heat insulation material in a volume ratio of 1:1 is filled in the sensing hemisphere, the self-heating material can be oxidized with oxygen in the air to generate a large amount of heat, and loss in the heat conduction process is reduced through the heat insulation effect of the heat insulation material.
Furthermore, the inflation hemisphere adopts elastic thermal insulation material to make hollow structure, the inflation hemisphere intussuseption is filled with one of hydrogen, helium and nitrogen gas, and perception hemisphere and inflation hemisphere all can play thermal-insulated effect, disturb the inflation hemisphere and the phenomenon that the mistake expanded appears when avoiding coating solidification, and the inflation is comparatively obvious when hydrogen, helium and nitrogen gas are heated, can make the inflation hemisphere fully extrude coating.
Further, be connected with many evenly distributed's elasticity heat conduction silk on the perception hemisphere near between ventilated membrane one end and the inflation hemisphere, magnetism is inhaled and is connected with the vaulting pole between end and the perception hemisphere, and elasticity heat conduction silk can be the pertinence will be heated in the heat effective conduction that self-heating material produced to the inflation hemisphere to improve the inflation effect of inflation hemisphere, the vaulting pole plays the setting effect to inflation hemisphere thickness, avoids it to appear the inflation in the direction of height, leads to the perception hemisphere to be in external environment all the time.
Further, the bottom end is connected with the suggestion inner core in the perception hemisphere, and the suggestion inner core adopts the hot melt material who mixes pigment to make, the suggestion inner core is kept away from inflation hemisphere one end and is connected with the drainage rod that extends to ventilated membrane department, can directly heat the suggestion inner core when self-heating material consumes to the bottom to force it to melt, then flow to ventilated membrane department along the drainage rod under the pressure effect of self-heating material or under the action of gravity of self, thereby carry out the color development suggestion, can indicate this region to be thinner all the time before the coating shaping on the one hand, on the other hand can indicate this region after the coating shaping and appear the phenomenon of splitting, technical staff can in time take corresponding measure.
Furthermore, the diameter of the filling-in microsphere is consistent with the thickness of the nano waterproof coating, so that the control effect on the thickness of the coating is achieved, a thin area is not easy to appear, and the waterproof performance and the strength of the coating are effectively controlled.
Further, in the step S5, the heating temperature is 55-65 ℃, and the heating time is 5-10 min.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can improve the raw materials, and a plurality of filling-up microspheres consistent with the thickness of the coating are introduced to the coating, once an area with the thinner thickness of the coating appears, the filling-up microspheres in the area partially extend out of the coating to be contacted with the external environment, so that the coating chemically reacts with oxygen in the air and generates heat, then the coating is heated to trigger the local expansion phenomenon, the coating around the coating is extruded to fill up the difference thickness, the filling-up microspheres are isolated from being contacted with the external environment when the thickness of the coating is enough, the filling-up microspheres do not expand any more, the coating is reserved in the coating after being cured and cracks when the coating is stressed, the expansion action is triggered after the coating is contacted with the air again, the cracks are blocked to realize temporary water resistance, and the water resistance of the waterproof coating can be greatly improved.
(2) Fill flat microballon including the perception hemisphere, the inflation hemisphere, magnetism is inhaled end and ventilated membrane, perception hemisphere and inflation hemisphere symmetric connection, magnetism is inhaled the end and is inlayed and connect the one end of keeping away from the perception hemisphere in the inflation hemisphere, the ventilated membrane is inlayed and is connected the one end of keeping away from the inflation hemisphere in the perception hemisphere, inhale the effect of end under in magnetic field, the inflation hemisphere is located the downside of perception hemisphere all the time, by ventilated membrane perception and external environment's isolated state, when contacting external environment, the air enters into the perception hemisphere through the ventilated membrane, thereby take place chemical reaction and heat the inflation that forces it to the inflation hemisphere, then the inflation hemisphere that is located the coating inboard can fully extrude the coating and fill flat thickness.
(3) The sensing hemisphere is made of a hard heat insulation material into a hollow structure, a powder mixture of a self-heating material and a heat insulation material in a volume ratio of 1:1 is filled in the sensing hemisphere, the self-heating material can be subjected to oxidation reaction with oxygen in the air to generate a large amount of heat, and loss in the heat conduction process is reduced through the heat insulation effect of the heat insulation material.
(4) The inflation hemisphere adopts elastic thermal insulation material to make hollow structure, and inflation hemisphere intussuseption is filled with one kind in hydrogen, helium and the nitrogen gas, and perception hemisphere and inflation hemisphere all can play thermal-insulated effect, disturb the inflation hemisphere and the phenomenon that the mistake expanded appears when avoiding coating solidification, and the inflation is comparatively obvious when hydrogen, helium and nitrogen gas are heated, can make the inflation hemisphere fully extrude coating.
(5) Be connected with many evenly distributed's elasticity heat conduction silk on the perception hemisphere near between ventilated membrane one end and the inflation hemisphere, be connected with the vaulting pole between magnetism absorption end and the perception hemisphere, elasticity heat conduction silk can be pertinence will produce from the heat effective conduction to the inflation hemisphere in heat, thereby improve the inflation effect of inflation hemisphere, the vaulting pole plays the setting effect to inflation hemisphere thickness, avoid it to appear the inflation in the direction of height, lead to the perception hemisphere to be in external environment all the time.
(6) The end is connected with the suggestion inner core in the perception hemisphere, and the suggestion inner core adopts the hot melt material who mixes the pigment to make, the suggestion inner core is kept away from inflation hemisphere one end and is connected with the drainage pole that extends to ventilated membrane department, can directly heat the suggestion inner core when self-heating material consumes to the bottom, thereby force it to melt, then flow to ventilated membrane department along the drainage pole under the pressure effect of self-heating material or under the action of self gravity, thereby the suggestion of developing color, on the one hand can indicate this region thinner all the time before the coating shaping, on the other hand can indicate this region after the coating shaping and appear the phenomenon of splitting, technical staff can in time take corresponding measure.
(7) The diameter of the filling-in microsphere is consistent with the thickness of the nano waterproof coating, so that the thickness of the coating is controlled, a thinner area is not easy to appear, and the waterproof performance and the strength of the coating are effectively controlled.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic structural view of a filling microsphere according to the present invention in a normal state;
FIG. 3 is a schematic structural view of the flattened microspheres of the present invention in an expanded state;
FIG. 4 is a schematic structural diagram of a filled microsphere in a prompt state according to the present invention;
FIG. 5 is a schematic structural view of the change of the coating before and after the filling-in micro-sphere of the present invention expands.
The reference numbers in the figures illustrate:
1 perception hemisphere, 2 inflation hemispheres, 3 magnetism end, 4 ventilated membranes, 5 elasticity heat conduction silk, 6 vaulting poles, 7 suggestion inner cores, 8 drainage rods of inhaling.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a self-expandable nano waterproof coating process includes the following steps:
s1, washing the surface of the sample to be coated with deionized water, and then drying and horizontally placing;
s2, weighing the following raw materials in parts by weight: 50 parts of epoxy resin, 10 parts of nano titanium dioxide, 20 parts of curing agent, 5 parts of talcum powder, 1 part of dispersing agent and 10 parts of organic solvent, and uniformly mixing to prepare the nano coating;
s3, uniformly spraying the nano coating on the surface of the sample to be coated, and then uniformly embedding a plurality of filling microspheres into the coating;
s4, applying a magnetic field below the sample to be coated to adjust the posture of the leveling microspheres in the coating, and standing for 3 min;
and S5, heating and drying the sample to be coated to form the nano waterproof coating after the leveling microspheres cannot be observed on the surface of the coating.
The curing agent in the step S2 is one of ethylenediamine, hexamethylenediamine, ethanolamine, diethanolamine or triethanolamine, the dispersing agent is one of polycarboxylic acid, sodium polyacrylate or polyacrylamide, and the organic solvent is n-butanol.
In step S2, the nano titanium dioxide has a particle size of 5-30nm and a specific surface area of 80-200m2/g。
In step S5, the heating temperature is 55 deg.C and the heating time is 5 min.
Please refer to fig. 2-4, the filling-up microsphere includes a sensing hemisphere 1, an expansion hemisphere 2, a magnetic suction end 3 and a permeable membrane 4, the sensing hemisphere 1 is symmetrically connected to the expansion hemisphere 2, the magnetic suction end 3 is connected to the expansion hemisphere 2 in an embedded manner and is far away from one end of the sensing hemisphere 1, the permeable membrane 4 is connected to the sensing hemisphere 1 in an embedded manner and is far away from one end of the expansion hemisphere 2, under the action of the magnetic field to the magnetic suction end 3, the expansion hemisphere 2 is always located at the lower side of the sensing hemisphere 1, the permeable membrane 4 senses the isolation state of the external environment, when contacting the external environment, the air enters the sensing hemisphere 1 through the permeable membrane 4, thereby the chemical reaction heats the expansion hemisphere 2 to force the expansion thereof to expand, and then the expansion hemisphere 2 located at the inner side of the coating can fully extrude the coating to fill-up the thickness.
The sensing hemisphere 1 is made of a hard heat insulation material into a hollow structure, a notch is formed only corresponding to the air permeable film 4, a powder mixture of a self-heating material and a heat insulation material with the volume ratio of 1:1 is filled in the sensing hemisphere 1, the self-heating material can be subjected to oxidation reaction with oxygen in the air to generate a large amount of heat, and loss in the heat conduction process is reduced through the heat insulation effect of the heat insulation material.
Be connected with many evenly distributed's elasticity heat conduction silk 5 on the perception hemisphere 1 near between 4 one ends of ventilated membrane and the inflation hemisphere 2, be connected with vaulting pole 6 between magnetism end 3 and the perception hemisphere 1, elasticity heat conduction silk 5 can be pertinence will produce from the heat of heating material and effectively conduct and heat in the inflation hemisphere 2, thereby improve the inflation effect of inflation hemisphere 2, vaulting pole 6 plays the setting effect to inflation hemisphere 2 thickness, avoid it to appear the inflation in the direction of height, lead to perception hemisphere 1 to be in external environment all the time.
The end is connected with suggestion inner core 7 in perception hemisphere 1, and suggestion inner core 7 adopts the hot melt material who mixes pigment to make, suggestion inner core 7 is kept away from 2 one end of inflation hemisphere and is connected with the drainage rod 8 that extends to ventilated membrane 4 department, can directly heat suggestion inner core 7 when self-heating material consumes to the bottom, thereby force it to melt, then flow to ventilated membrane 4 department along drainage rod 8 under self-heating material's pressure effect or under the action of gravity of self, thereby the suggestion of developing colors, can indicate this region to be thinner all the time before the coating shaping on the one hand, on the other hand can indicate this region after the coating shaping and appear the phenomenon of splitting, technical staff can in time take corresponding measure.
The diameter of the filling-in microsphere is consistent with the thickness of the nano waterproof coating, so that the thickness of the coating is controlled, a thinner area is not easy to appear, and the waterproof performance and the strength of the coating are effectively controlled.
Example 2:
a self-expanding nano waterproof coating process comprises the following steps:
s1, washing the surface of the sample to be coated with deionized water, and then drying and horizontally placing;
s2, weighing the following raw materials in parts by weight: 55 parts of epoxy resin, 15 parts of nano titanium dioxide, 25 parts of curing agent, 8 parts of talcum powder, 1.5 parts of dispersing agent and 12 parts of organic solvent, and uniformly mixing to prepare the nano coating;
s3, uniformly spraying the nano coating on the surface of the sample to be coated, and then uniformly embedding a plurality of filling microspheres into the coating;
s4, applying a magnetic field below the sample to be coated to adjust the posture of the leveling microspheres in the coating, and standing for 3-5 min;
and S5, heating and drying the sample to be coated to form the nano waterproof coating after the leveling microspheres cannot be observed on the surface of the coating.
In step S5, the heating temperature is 60 deg.C and the heating time is 8 min.
The remainder was in accordance with example 1.
Example 3:
a self-expanding nano waterproof coating process comprises the following steps:
s1, washing the surface of the sample to be coated with deionized water, and then drying and horizontally placing;
s2, weighing the following raw materials in parts by weight: 60 parts of epoxy resin, 20 parts of nano titanium dioxide, 30 parts of curing agent, 10 parts of talcum powder, 2 parts of dispersing agent and 15 parts of organic solvent, and uniformly mixing to obtain the nano coating;
s3, uniformly spraying the nano coating on the surface of the sample to be coated, and then uniformly embedding a plurality of filling microspheres into the coating;
s4, applying a magnetic field below the sample to be coated to adjust the posture of the leveling microspheres in the coating, and standing for 5 min;
and S5, heating and drying the sample to be coated to form the nano waterproof coating after the leveling microspheres cannot be observed on the surface of the coating.
In step S5, the heating temperature is 65 ℃ and the heating time is 10 min.
The remainder was in accordance with example 1.
It is worth noting that the materials adopted by the defoaming bag are all acid-resistant materials, so as to avoid corrosion by acid solution.
The invention can improve the raw materials, and introduce a plurality of filling-up microspheres which are consistent with the thickness of the coating on the coating, once the area with the thinner coating thickness appears, the filling-up microspheres in the area partially extend out of the coating to contact with the external environment, so as to generate chemical reaction with oxygen in the air and generate heat, then the self obtains the phenomenon of heating triggering local expansion, thereby extruding the surrounding coating to fill up the different thickness, when the coating thickness is enough, the filling-up microspheres are isolated from contacting with the external environment, the filling-up microspheres do not expand any more, after the coating is cured, the coating is reserved in the coating and stressed, the coating cracks firstly, and triggers the expansion action after the coating is contacted with the air again, the cracks are blocked, the temporary water resistance is realized, and the water resistance of the water-proof coating can be greatly improved.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A self-expanding nano waterproof coating process is characterized in that: the method comprises the following steps:
s1, washing the surface of the sample to be coated with deionized water, and then drying and horizontally placing;
s2, weighing the following raw materials in parts by weight: 50-60 parts of epoxy resin, 10-20 parts of nano titanium dioxide, 20-30 parts of curing agent, 5-10 parts of talcum powder, 1-2 parts of dispersant and 10-15 parts of organic solvent, and uniformly mixing to obtain nano coating;
s3, uniformly spraying the nano coating on the surface of the sample to be coated, and then uniformly embedding a plurality of filling microspheres into the coating;
s4, applying a magnetic field below the sample to be coated to adjust the posture of the leveling microspheres in the coating, and standing for 3-5 min;
and S5, heating and drying the sample to be coated to form the nano waterproof coating after the leveling microspheres cannot be observed on the surface of the coating.
2. The self-expanding nano waterproof coating process according to claim 1, characterized in that: the curing agent in the step S2 is one of ethylenediamine, hexamethylenediamine, ethanolamine, diethanolamine or triethanolamine, the dispersing agent is one of polycarboxylic acid, sodium polyacrylate or polyacrylamide, and the organic solvent is n-butanol.
3. The self-expanding nano waterproof coating process according to claim 1, characterized in that: in the step S2, the nano titanium dioxide has a particle size of 5-30nm and a specific surface area of 80-200m2/g。
4. The self-expanding nano waterproof coating process according to claim 1, characterized in that: fill flat microballon and include perception hemisphere (1), inflation hemisphere (2), magnetism inhale end (3) and ventilated membrane (4), perception hemisphere (1) and inflation hemisphere (2) symmetric connection, magnetism is inhaled end (3) and is inlayed and connect in the one end that perception hemisphere (1) was kept away from in inflation hemisphere (2), ventilated membrane (4) are inlayed and are connected in the one end that inflation hemisphere (2) were kept away from in perception hemisphere (1).
5. The self-expanding nano waterproof coating process according to claim 4, characterized in that: the sensing hemisphere (1) is made into a hollow structure by adopting a hard heat insulation material, and a powdery mixture of a self-heating material and a heat insulation material in a volume ratio of 1:1 is filled in the sensing hemisphere (1).
6. The self-expanding nano waterproof coating process according to claim 4, characterized in that: the expansion hemisphere (2) is made into a hollow structure by adopting an elastic heat insulation material, and one of hydrogen, helium and nitrogen is filled in the expansion hemisphere (2).
7. The self-expanding nano waterproof coating process according to claim 4, characterized in that: be connected with many evenly distributed's elasticity heat conduction silk (5) on perception hemisphere (1) near ventilated membrane (4) one end and inflation hemisphere (2), be connected with vaulting pole (6) between end (3) and perception hemisphere (1) are inhaled to magnetism.
8. The self-expanding nano waterproof coating process according to claim 4, characterized in that: the sensing hemisphere is characterized in that a prompt inner core (7) is connected to the inner bottom end of the sensing hemisphere (1), the prompt inner core (7) is made of hot-melt materials mixed with pigments, and one end, far away from the expansion hemisphere (2), of the prompt inner core (7) is connected with a drainage rod (8) extending to the breathable film (4).
9. The self-expanding nano waterproof coating process according to claim 1, characterized in that: the diameter of the filling-in microsphere is consistent with the thickness of the nano waterproof coating.
10. The self-expanding nano waterproof coating process according to claim 1, characterized in that: in the step S5, the heating temperature is 55-65 ℃, and the heating time is 5-10 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110525564.7A CN113441371A (en) | 2021-05-14 | 2021-05-14 | Self-expansion type nano waterproof coating process |
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| CN202110525564.7A Withdrawn CN113441371A (en) | 2021-05-14 | 2021-05-14 | Self-expansion type nano waterproof coating process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011688A (en) * | 2021-10-13 | 2022-02-08 | 杨俊岭 | Treatment process of chemical material anti-corrosion agent |
| CN114446558A (en) * | 2021-12-07 | 2022-05-06 | 崔良 | Bionic insulating pad for self-scabbing type cracking early warning |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1387484A (en) * | 1999-11-10 | 2002-12-25 | 美利肯公司 | Airbag coatings providing improved thermal resistance |
| US20050260189A1 (en) * | 2002-07-11 | 2005-11-24 | Klibanov Alexander L | Microbubble compositions, and methods for preparing and using same |
| CN108251832A (en) * | 2016-12-29 | 2018-07-06 | 通用汽车环球科技运作有限责任公司 | One or more layers of microballoon are deposited to form the method for thermal barrier coating |
| CN112501609A (en) * | 2020-11-19 | 2021-03-16 | 刘绿霞 | Steel structure self-isolation type corrosion prevention process |
| CN112503382A (en) * | 2020-05-15 | 2021-03-16 | 刘伟良 | Processing technology of reinforced strip steel |
| CN112549664A (en) * | 2020-12-07 | 2021-03-26 | 张光元 | Lasting antibacterial composite textile fabric |
| CN112627369A (en) * | 2020-12-05 | 2021-04-09 | 张丽霞 | Magnetic drainage type self-repairing roof insulation board |
| CN113387642A (en) * | 2021-06-07 | 2021-09-14 | 刘再挺 | Preparation method of reamed impervious recycled concrete |
| CN113426650A (en) * | 2021-05-07 | 2021-09-24 | 刘青 | Even-light processing technology for color steel plate |
-
2021
- 2021-05-14 CN CN202110525564.7A patent/CN113441371A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1387484A (en) * | 1999-11-10 | 2002-12-25 | 美利肯公司 | Airbag coatings providing improved thermal resistance |
| US20050260189A1 (en) * | 2002-07-11 | 2005-11-24 | Klibanov Alexander L | Microbubble compositions, and methods for preparing and using same |
| CN108251832A (en) * | 2016-12-29 | 2018-07-06 | 通用汽车环球科技运作有限责任公司 | One or more layers of microballoon are deposited to form the method for thermal barrier coating |
| CN112503382A (en) * | 2020-05-15 | 2021-03-16 | 刘伟良 | Processing technology of reinforced strip steel |
| CN112501609A (en) * | 2020-11-19 | 2021-03-16 | 刘绿霞 | Steel structure self-isolation type corrosion prevention process |
| CN112627369A (en) * | 2020-12-05 | 2021-04-09 | 张丽霞 | Magnetic drainage type self-repairing roof insulation board |
| CN112549664A (en) * | 2020-12-07 | 2021-03-26 | 张光元 | Lasting antibacterial composite textile fabric |
| CN113426650A (en) * | 2021-05-07 | 2021-09-24 | 刘青 | Even-light processing technology for color steel plate |
| CN113387642A (en) * | 2021-06-07 | 2021-09-14 | 刘再挺 | Preparation method of reamed impervious recycled concrete |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011688A (en) * | 2021-10-13 | 2022-02-08 | 杨俊岭 | Treatment process of chemical material anti-corrosion agent |
| CN114011688B (en) * | 2021-10-13 | 2024-03-22 | 杨俊岭 | Treatment process of chemical material anti-corrosion agent |
| CN114446558A (en) * | 2021-12-07 | 2022-05-06 | 崔良 | Bionic insulating pad for self-scabbing type cracking early warning |
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Application publication date: 20210928 |