CN111560194A - Preparation process of building exterior wall heat-insulating coating - Google Patents
Preparation process of building exterior wall heat-insulating coating Download PDFInfo
- Publication number
- CN111560194A CN111560194A CN202010535664.3A CN202010535664A CN111560194A CN 111560194 A CN111560194 A CN 111560194A CN 202010535664 A CN202010535664 A CN 202010535664A CN 111560194 A CN111560194 A CN 111560194A
- Authority
- CN
- China
- Prior art keywords
- resin
- temperature
- exterior wall
- layer coating
- nano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- 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
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
-
- 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
- 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
-
- 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
- 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
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- 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
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a preparation process of a building exterior wall heat-insulating coating, and relates to the technical field of coating processing. The preparation process of the building exterior wall heat insulation coating mainly comprises the following steps: the method comprises the steps of treating a first base material, modifying a first mixed resin material, freezing at a low temperature, preparing an inner layer coating, treating a second base material, preparing an outer layer coating and the like. The invention overcomes the defects of the prior art, can effectively isolate ultraviolet rays and slow down the temperature rise of a wall body under the good ageing resistance, and meanwhile, the inner layer coating can effectively play a role in heat insulation, thereby preventing the temperature rise in the building and being suitable for popularization and application.
Description
Technical Field
The invention relates to the technical field of coating processing, in particular to a preparation process of a building exterior wall heat-insulating coating.
Background
The paint is a kind of common decoration material which is coated on the surface of the protected or decorated object and can form a firmly attached continuous film with the coated object, and is a viscous liquid which is prepared by using resin, oil or emulsion as main material, adding or not adding pigment and filler, adding corresponding auxiliary agent and using organic solvent or water.
With the improvement of science and technology and the development of times, the requirements of people on the coating are higher and higher, in summer or high-temperature areas, because the temperature of the building outer wall is continuously increased by the irradiation of sunlight, the temperature of the outer wall can reach 40-50 ℃, the temperature of the metal surface can reach 70-80 ℃, the temperature of the building outer wall is increased to cause the temperature of the interior of the wall to be increased, and the environment of the interior of the building is influenced, so that the heat insulation effect of the outer wall coating is improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation process of a building exterior wall heat insulation coating, which can effectively isolate ultraviolet rays and slow down the temperature rise of a wall body under the good ageing resistance, and meanwhile, an inner layer coating can effectively play a heat insulation role, so that the temperature rise in a building is prevented, and the preparation process is suitable for popularization and use.
In order to achieve the above purpose, the technical scheme of the invention is realized by the following technical scheme:
a preparation process of a building exterior wall heat insulation coating comprises the following steps:
(1) treatment of the first base stock: mixing chlorotrifluoroethylene and diacetone acrylamide, adding deionized water, nano-zirconia, nano-graphene and a compatilizer into a high-pressure reaction kettle, adjusting the pH to 5-5.5, heating to 60-70 ℃, keeping the temperature, and stirring for 20-30min to obtain a first mixed resin material for later use;
(2) modification of the first mixed resin material: adjusting the pH value of the first mixed resin material to 6.5-7, adding dicumyl peroxide, cashew phenolic resin and polyoxyethylene, raising the pressure in the reaction kettle to 12-14Mpa, raising the temperature to 50-60 ℃, keeping the temperature, maintaining the pressure, stirring uniformly, standing for 1-2h, and taking out to obtain mixed modified resin for later use;
(3) low-temperature freezing treatment: freezing the mixed modified resin at the temperature of-10 ℃ to-15 ℃ for 2-3h, taking out, recovering to normal temperature, vacuumizing, standing for 20-25min, recovering to normal pressure, standing for 10-15min, and repeatedly vacuumizing for three times to obtain treated resin for later use;
(4) preparing an inner layer coating: mixing the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine at the temperature of 45-50 ℃, putting the mixture into a stirrer, and fully stirring the mixture for 20-30min at the speed of 1400-1600r/min to obtain an inner layer coating for later use;
(5) and (3) treating the second base material: adding zinc oxide and hydroxyethyl cellulose into acrylic resin, mixing and stirring the acrylic resin and the acrylic resin uniformly in a reaction kettle under the protection of nitrogen under the pressure of 10-12Mpa and the high temperature environment of 100-120 ℃, and standing for 2-3h to obtain second mixed resin for later use;
(6) preparing an outer layer coating: adding the second base material mixed resin into nano titanium dioxide, cerium oxide, polyacrylamide, nonylphenol polyoxyethylene ether and vinyl triamine, and stirring at the temperature of 45-50 ℃ for 15-20min at the rotating speed of 600r/min in a stirring kettle at 400-.
Preferably, the mass ratio of the chlorotrifluoroethylene, the diacetone acrylamide, the ionized water, the nano-zirconia, the nano-graphene and the compatilizer in the step (1) is 25-30: 6-8: 35-38: 8-10: 2-4: 0.6-0.8.
Preferably, the mass ratio of the first mixed resin material, dicumyl peroxide, cashew phenol-formaldehyde resin and polyoxyethylene in the step (2) is 45-50: 2-4: 10-14: 1-3.
Preferably, the mixed modified resin in the step (3) is taken out after being frozen and then is recovered to normal temperature under the atmosphere of ammonia, and ammonia is also used to replace air in the process of vacuumizing and recovering to normal pressure.
Preferably, the mass ratio of the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine in the step (4) is 50-60: 12-14: 1-2: 0.6-0.7: 1-1.2: 1-1.4.
Preferably, the mass ratio of the acrylic resin, the zinc oxide, the hydroxyethyl cellulose and the deionized water in the step (5) is 20-22: 2-4: 1-1.6: 12-15.
Preferably, the mass ratio of the mixed resin, the nano titanium dioxide, the cerium oxide, the polyacrylamide, the nonylphenol polyoxyethylene ether and the vinyl triamine in the step (6) is 32-35: 4-6: 2-3: 1-1.2: 1-2.
Preferably, when the building exterior wall heat-insulating coating is used, an inner layer coating is coated firstly, and after the inner layer coating is dried, an outer layer coating is coated outside the inner layer coating.
The invention provides a preparation process of a building exterior wall heat insulation coating, which has the following advantages compared with the prior art:
(1) according to the invention, chlorotrifluoroethylene and diacetone acrylamide are mixed to prepare a first base material, and meanwhile, the first base material is mixed under an acidic condition through nano-zirconia and nano-graphene, so that the adhesion of the base material is effectively improved, and the inner-layer base material is prevented from peeling off;
(2) according to the invention, the first mixed resin material is modified by mixing dicumyl oxide, cashew phenolic resin and polyoxyethylene, so that the performance of the resin is further improved, and the modified resin is frozen at a low temperature and then mixed with the nano hollow ceramic microspheres, so that the heat insulation effect of the paint is effectively improved;
(3) according to the invention, the inner layer paint and the outer layer paint are coated in a double-layer mode, the inner layer paint can effectively isolate heat, the outer layer paint is modified by adding zinc oxide and hydroxyethyl cellulose into acrylic resin, and then is mixed with nano titanium dioxide, cerium oxide, polyacrylamide, nonylphenol polyoxyethylene ether and vinyl triamine, so that the ultraviolet resistance effect of the paint can be effectively improved, and the anti-aging effect of the paint can be improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a preparation process of a building exterior wall heat insulation coating comprises the following steps:
(1) treatment of the first base stock: mixing chlorotrifluoroethylene and diacetone acrylamide, adding deionized water, nano-zirconia, nano-graphene and a compatilizer into a high-pressure reaction kettle, adjusting the pH value to 5-5.5, heating to 60 ℃, keeping the temperature and stirring for 20min to obtain a first mixed resin material for later use;
(2) modification of the first mixed resin material: adjusting the pH value of the first mixed resin material to 6.5-7, adding dicumyl peroxide, cashew phenolic resin and polyoxyethylene, raising the pressure in the reaction kettle to 12Mpa, raising the temperature to 50 ℃, keeping the temperature, maintaining the pressure, stirring uniformly, standing for 1h, and taking out to obtain mixed modified resin for later use;
(3) low-temperature freezing treatment: freezing the mixed modified resin at the temperature of minus 10 ℃ for 2 hours at low temperature, taking out, recovering to normal temperature, vacuumizing and standing for 20min, recovering to normal pressure and standing for 10min, and repeatedly vacuumizing for three times to obtain the treated resin for later use;
(4) preparing an inner layer coating: mixing the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine, placing the mixture in a stirrer at the temperature of 45 ℃, and fully stirring the mixture for 20min at the speed of 1400r/min to obtain an inner layer coating for later use;
(5) and (3) treating the second base material: adding zinc oxide and hydroxyethyl cellulose into acrylic resin, mixing and stirring the acrylic resin and the acrylic resin uniformly in a reaction kettle under the protection of nitrogen at 10Mpa and at the high temperature of 100-120 ℃, and standing for 2 hours to obtain second mixed resin for later use;
(6) preparing an outer layer coating: and adding the second base material mixed resin into nano titanium dioxide, cerium oxide, polyacrylamide, nonylphenol polyoxyethylene ether and vinyl triamine, and stirring at the temperature of 45 ℃ for 15min at the rotating speed of 400r/min in a stirring kettle to obtain the outer layer coating.
Wherein, the mass ratio of the chlorotrifluoroethylene, the diacetone acrylamide, the ionized water, the nano-zirconia, the nano-graphene and the compatilizer in the step (1) is 25: 6: 35: 8: 2: 0.6; in the step (2), the mixing mass ratio of the first mixed resin material, dicumyl peroxide, cashew phenolic resin and polyoxyethylene is 45: 2: 10: 1; the mixed modified resin in the step (3) is taken out after being frozen and then is recovered to normal temperature under the atmosphere of ammonia gas, and the ammonia gas is also adopted to replace air in the process of vacuumizing and recovering to normal pressure; the mass ratio of the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine in the step (4) is 50: 12: 1: 0.6: 1; in the step (5), the mass ratio of the acrylic resin, the zinc oxide, the hydroxyethyl cellulose and the deionized water is 20: 2: 1: 12; in the step (6), the mass ratio of the mixed resin, the nano titanium dioxide, the cerium oxide, the polyacrylamide, the nonylphenol polyoxyethylene ether and the vinyl triamine is 32: 4: 2: 1; when the building exterior wall heat-insulating coating is used, an inner layer coating is coated firstly, and after the inner layer coating is dried, an outer layer coating is coated outside the inner layer coating.
Example 2:
a preparation process of a building exterior wall heat insulation coating comprises the following steps:
(1) treatment of the first base stock: mixing chlorotrifluoroethylene and diacetone acrylamide, adding deionized water, nano-zirconia, nano-graphene and a compatilizer into a high-pressure reaction kettle, adjusting the pH to 5-5.5, heating to 70 ℃, keeping the temperature and stirring for 30min to obtain a first mixed resin material for later use;
(2) modification of the first mixed resin material: adjusting the pH value of the first mixed resin material to 6.5-7, adding dicumyl peroxide, cashew phenolic resin and polyoxyethylene, raising the pressure in the reaction kettle to 14Mpa, raising the temperature to 60 ℃, keeping the temperature, maintaining the pressure, stirring uniformly, standing for 2 hours, and taking out to obtain mixed modified resin for later use;
(3) low-temperature freezing treatment: freezing the mixed modified resin at a temperature of-15 ℃ for 3h, taking out, recovering to normal temperature, vacuumizing and standing for 25min, recovering to normal pressure and standing for 15min, and repeatedly vacuumizing for three times to obtain the treated resin for later use;
(4) preparing an inner layer coating: mixing the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine, placing the mixture in a stirrer at the temperature of 50 ℃, and fully stirring the mixture for 30min at the speed of 1600r/min to obtain an inner layer coating for later use;
(5) and (3) treating the second base material: adding zinc oxide and hydroxyethyl cellulose into acrylic resin, mixing and stirring uniformly in a reaction kettle under the protection of nitrogen under the conditions of 12Mpa pressure and 120 ℃ high temperature, and standing for 3 hours to obtain second mixed resin for later use;
(6) preparing an outer layer coating: and adding the second base material mixed resin into nano titanium dioxide, cerium oxide, polyacrylamide, nonylphenol polyoxyethylene ether and vinyl triamine, and stirring at the temperature of 50 ℃ for 20min at the rotating speed of 600r/min in a stirring kettle to obtain the outer layer coating.
Wherein, the mass ratio of the chlorotrifluoroethylene, the diacetone acrylamide, the ionized water, the nano zirconia, the nano graphene and the compatilizer in the step (1) is 30: 8: 38: 10: 4: 0.8; in the step (2), the mixing mass ratio of the first mixed resin material, dicumyl peroxide, cashew phenolic resin and polyoxyethylene is 50: 4: 14: 3; the mixed modified resin in the step (3) is taken out after being frozen and then is recovered to normal temperature under the atmosphere of ammonia gas, and the ammonia gas is also adopted to replace air in the process of vacuumizing and recovering to normal pressure; the mass ratio of the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine in the step (4) is 60: 14: 2: 0.7: 1.2: 1.4; in the step (5), the mass ratio of the acrylic resin, the zinc oxide, the hydroxyethyl cellulose and the deionized water is 22: 4: 1.6: 15; in the step (6), the mass ratio of the mixed resin, the nano titanium dioxide, the cerium oxide, the polyacrylamide, the nonylphenol polyoxyethylene ether and the vinyl triamine is 35: 6: 3: 1.2: 2; when the building exterior wall heat-insulating coating is used, an inner layer coating is coated firstly, and after the inner layer coating is dried, an outer layer coating is coated outside the inner layer coating.
Example 3:
a preparation process of a building exterior wall heat insulation coating comprises the following steps:
(1) treatment of the first base stock: mixing chlorotrifluoroethylene and diacetone acrylamide, adding deionized water, nano-zirconia, nano-graphene and a compatilizer into a high-pressure reaction kettle, adjusting the pH to 5-5.5, heating to 65 ℃, keeping the temperature and stirring for 25min to obtain a first mixed resin material for later use;
(2) modification of the first mixed resin material: adjusting the pH value of the first mixed resin material to 6.5-7, adding dicumyl peroxide, cashew phenolic resin and polyoxyethylene, increasing the pressure in the reaction kettle to 13Mpa, then increasing the temperature to 55 ℃, keeping the temperature, maintaining the pressure, stirring uniformly, standing for 1.5h, and taking out to obtain mixed modified resin for later use;
(3) low-temperature freezing treatment: freezing the mixed modified resin at a temperature of-12 ℃ for 2.5h, taking out, recovering to normal temperature, vacuumizing and standing for 23min, recovering to normal pressure and standing for 13min, and repeatedly vacuumizing for three times to obtain the treated resin for later use;
(4) preparing an inner layer coating: mixing the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine, placing the mixture in a stirrer at the temperature of 48 ℃, and fully stirring the mixture for 25min at the speed of 1500r/min to obtain an inner layer coating for later use;
(5) and (3) treating the second base material: adding zinc oxide and hydroxyethyl cellulose into acrylic resin, mixing and stirring uniformly in a reaction kettle under the protection of nitrogen under the pressure of 11Mpa and the high temperature environment of 110 ℃, and standing for 2.5h to obtain second mixed resin for later use;
(6) preparing an outer layer coating: and adding the second base material mixed resin into nano titanium dioxide, cerium oxide, polyacrylamide, nonylphenol polyoxyethylene ether and vinyl triamine, and stirring at 48 ℃ for 18min at the rotating speed of 500r/min in a stirring kettle to obtain the outer layer coating.
Wherein, the mass ratio of the chlorotrifluoroethylene, the diacetone acrylamide, the ionized water, the nano zirconia, the nano graphene and the compatilizer in the step (1) is 28: 7: 36: 9: 3: 0.7; in the step (2), the mixing mass ratio of the first mixed resin material, dicumyl peroxide, cashew phenolic resin and polyoxyethylene is 48: 3: 12: 2; the mixed modified resin in the step (3) is taken out after being frozen and then is recovered to normal temperature under the atmosphere of ammonia gas, and the ammonia gas is also adopted to replace air in the process of vacuumizing and recovering to normal pressure; the mass ratio of the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine in the step (4) is 55: 13: 1.5: 0.6: 1.1: 1.2; in the step (5), the mass ratio of the acrylic resin, the zinc oxide, the hydroxyethyl cellulose and the deionized water is 21: 3: 1.3: 14; in the step (6), the mass ratio of the mixed resin, the nano titanium dioxide, the cerium oxide, the polyacrylamide, the nonylphenol polyoxyethylene ether and the vinyl triamine is 34: 5: 2.5: 1.1: 1.5; when the building exterior wall heat-insulating coating is used, an inner layer coating is coated firstly, and after the inner layer coating is dried, an outer layer coating is coated outside the inner layer coating.
Comparative example 1:
a preparation process of a coating comprises the following steps:
(1) treating the base material: mixing chlorotrifluoroethylene and diacetone acrylamide, adding deionized water, nano-zirconia, nano-graphene and a compatilizer into a high-pressure reaction kettle, adjusting the pH to 5-5.5, heating to 65 ℃, keeping the temperature and stirring for 25min to obtain a first mixed resin material for later use;
(2) modification of the first mixed resin material: adjusting the pH value of the first mixed resin material to 6.5-7, adding dicumyl peroxide, cashew phenolic resin and polyoxyethylene, increasing the pressure in the reaction kettle to 13Mpa, then increasing the temperature to 55 ℃, keeping the temperature, maintaining the pressure, stirring uniformly, standing for 1.5h, and taking out to obtain mixed modified resin for later use;
(3) low-temperature freezing treatment: freezing the mixed modified resin at a temperature of-12 ℃ for 2.5h, taking out, recovering to normal temperature, vacuumizing and standing for 23min, recovering to normal pressure and standing for 13min, and repeatedly vacuumizing for three times to obtain the treated resin for later use;
(4) preparing the coating: mixing the processing resin, nano hollow ceramic microspheres, plasticizer, sodium dodecyl sulfate, defoaming agent and m-phenylenediamine, placing the mixture in a stirrer at the temperature of 48 ℃, and fully stirring the mixture for 25min at the speed of 1500r/min to obtain a coating;
wherein, the mass ratio of the chlorotrifluoroethylene, the diacetone acrylamide, the ionized water, the nano zirconia, the nano graphene and the compatilizer in the step (1) is 28: 7: 36: 9: 3: 0.7; in the step (2), the mixing mass ratio of the first mixed resin material, dicumyl peroxide, cashew phenolic resin and polyoxyethylene is 48: 3: 12: 2; the mixed modified resin in the step (3) is taken out after being frozen and then is recovered to normal temperature under the atmosphere of ammonia gas, and the ammonia gas is also adopted to replace air in the process of vacuumizing and recovering to normal pressure; the mass ratio of the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine in the step (4) is 55: 13: 1.5: 0.6: 1.1: 1.2.
Comparative example 2:
a preparation process of a coating comprises the following steps:
(1) treatment of the first base stock: mixing chlorotrifluoroethylene and diacetone acrylamide, adding deionized water, nano-zirconia, nano-graphene and a compatilizer into a high-pressure reaction kettle, adjusting the pH to 5-5.5, heating to 65 ℃, keeping the temperature and stirring for 25min to obtain a first mixed resin material for later use;
(2) low-temperature freezing treatment: freezing the first mixed resin material at the temperature of minus 12 ℃ for 2.5h, taking out, recovering to normal temperature, vacuumizing and standing for 23min, recovering to normal pressure and standing for 13min, and repeatedly vacuumizing for three times to obtain the treated resin for later use;
(3) preparing an inner layer coating: mixing the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine, placing the mixture in a stirrer at the temperature of 48 ℃, and fully stirring the mixture for 25min at the speed of 1500r/min to obtain an inner layer coating for later use;
(4) and (3) treating the second base material: adding zinc oxide and hydroxyethyl cellulose into acrylic resin, mixing and stirring uniformly in a reaction kettle under the protection of nitrogen under the pressure of 11Mpa and the high temperature environment of 110 ℃, and standing for 2.5h to obtain second mixed resin for later use;
(5) preparing an outer layer coating: and adding the second base material mixed resin into nano titanium dioxide, cerium oxide, polyacrylamide, nonylphenol polyoxyethylene ether and vinyl triamine, and stirring at 48 ℃ for 18min at the rotating speed of 500r/min in a stirring kettle to obtain the outer layer coating.
Wherein, the mass ratio of the chlorotrifluoroethylene, the diacetone acrylamide, the ionized water, the nano zirconia, the nano graphene and the compatilizer in the step (1) is 28: 7: 36: 9: 3: 0.7; the first mixed resin material in the step (2) is taken out after being frozen, then is recovered to normal temperature under the atmosphere of ammonia gas, and ammonia gas is also adopted to replace air in the process of vacuumizing and recovering to normal pressure; the mass ratio of the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine in the step (3) is 55: 13: 1.5: 0.6: 1.1: 1.2; in the step (4), the mass ratio of the acrylic resin, the zinc oxide, the hydroxyethyl cellulose and the deionized water is 21: 3: 1.3: 14; in the step (5), the mass ratio of the mixed resin, the nano titanium dioxide, the cerium oxide, the polyacrylamide, the nonylphenol polyoxyethylene ether and the vinyl triamine is 34: 5: 2.5: 1.1: 1.5; when the building exterior wall heat-insulating coating is used, an inner layer coating is coated firstly, and after the inner layer coating is dried, an outer layer coating is coated outside the inner layer coating.
Comparative example 3:
a preparation process of a building exterior wall heat insulation coating comprises the following steps:
(1) treatment of the first base stock: mixing chlorotrifluoroethylene and diacetone acrylamide, adding deionized water, nano-zirconia, nano-graphene and a compatilizer into a high-pressure reaction kettle, adjusting the pH to 5-5.5, heating to 65 ℃, keeping the temperature and stirring for 25min to obtain a first mixed resin material for later use;
(2) modification of the first mixed resin material: adjusting the pH value of the first mixed resin material to 6.5-7, adding dicumyl peroxide, cashew phenolic resin and polyoxyethylene, increasing the pressure in the reaction kettle to 13Mpa, then increasing the temperature to 55 ℃, keeping the temperature, maintaining the pressure, stirring uniformly, standing for 1.5h, and taking out to obtain mixed modified resin for later use;
(3) preparing an inner layer coating: mixing the modified resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine, placing the mixture in a stirrer at the temperature of 48 ℃, and fully stirring the mixture for 25min at the speed of 1500r/min to obtain an inner layer coating for later use;
(4) and (3) treating the second base material: adding zinc oxide and hydroxyethyl cellulose into acrylic resin, mixing and stirring uniformly in a reaction kettle under the protection of nitrogen under the pressure of 11Mpa and the high temperature environment of 110 ℃, and standing for 2.5h to obtain second mixed resin for later use;
(5) preparing an outer layer coating: and adding the second base material mixed resin into nano titanium dioxide, cerium oxide, polyacrylamide, nonylphenol polyoxyethylene ether and vinyl triamine, and stirring at 48 ℃ for 18min at the rotating speed of 500r/min in a stirring kettle to obtain the outer layer coating.
Wherein, the mass ratio of the chlorotrifluoroethylene, the diacetone acrylamide, the ionized water, the nano zirconia, the nano graphene and the compatilizer in the step (1) is 28: 7: 36: 9: 3: 0.7; in the step (2), the mixing mass ratio of the first mixed resin material, dicumyl peroxide, cashew phenolic resin and polyoxyethylene is 48: 3: 12: 2; in the step (3), the mass ratio of the modified resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine is 55: 13: 1.5: 0.6: 1.1: 1.2; in the step (4), the mass ratio of the acrylic resin, the zinc oxide, the hydroxyethyl cellulose and the deionized water is 21: 3: 1.3: 14; in the step (5), the mass ratio of the mixed resin, the nano titanium dioxide, the cerium oxide, the polyacrylamide, the nonylphenol polyoxyethylene ether and the vinyl triamine is 34: 5: 2.5: 1.1: 1.5; when the building exterior wall heat-insulating coating is used, an inner layer coating is coated firstly, and after the inner layer coating is dried, an outer layer coating is coated outside the inner layer coating.
And (3) detection:
selecting the coatings obtained in the examples 1-3 as experimental groups 1-3, the coatings obtained in the comparative examples 1-3 as comparison groups 1-3, and the heat-insulating coatings in the market as comparison group 4, detecting the aging resistance of the coatings after coating according to the method of GB/T14522-:
the heat-insulating property of the coating can be effectively improved by the modification and low-temperature freezing treatment of the resin in the inner layer coating.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A preparation process of a building exterior wall heat insulation coating is characterized by comprising the following steps:
(1) treatment of the first base stock: mixing chlorotrifluoroethylene and diacetone acrylamide, adding deionized water, nano-zirconia, nano-graphene and a compatilizer into a high-pressure reaction kettle, adjusting the pH to 5-5.5, heating to 60-70 ℃, keeping the temperature, and stirring for 20-30min to obtain a first mixed resin material for later use;
(2) modification of the first mixed resin material: adjusting the pH value of the first mixed resin material to 6.5-7, adding dicumyl peroxide, cashew phenolic resin and polyoxyethylene, raising the pressure in the reaction kettle to 12-14Mpa, raising the temperature to 50-60 ℃, keeping the temperature, maintaining the pressure, stirring uniformly, standing for 1-2h, and taking out to obtain mixed modified resin for later use;
(3) low-temperature freezing treatment: freezing the mixed modified resin at the temperature of-10 ℃ to-15 ℃ for 2-3h, taking out, recovering to normal temperature, vacuumizing, standing for 20-25min, recovering to normal pressure, standing for 10-15min, and repeatedly vacuumizing for three times to obtain treated resin for later use;
(4) preparing an inner layer coating: mixing the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine at the temperature of 45-50 ℃, putting the mixture into a stirrer, and fully stirring the mixture for 20-30min at the speed of 1400-1600r/min to obtain an inner layer coating for later use;
(5) and (3) treating the second base material: adding zinc oxide and hydroxyethyl cellulose into acrylic resin, mixing and stirring the acrylic resin and the acrylic resin uniformly in a reaction kettle under the protection of nitrogen under the pressure of 10-12Mpa and the high temperature environment of 100-120 ℃, and standing for 2-3h to obtain second mixed resin for later use;
(6) preparing an outer layer coating: adding the second base material mixed resin into nano titanium dioxide, cerium oxide, polyacrylamide, nonylphenol polyoxyethylene ether and vinyl triamine, and stirring at the temperature of 45-50 ℃ for 15-20min at the rotating speed of 600r/min in a stirring kettle at 400-.
2. The preparation process of the building exterior wall heat insulation coating according to claim 1, characterized in that: the mass ratio of the chlorotrifluoroethylene, the diacetone acrylamide, the ionized water, the nano-zirconia, the nano-graphene and the compatilizer in the step (1) is 25-30: 6-8: 35-38: 8-10: 2-4: 0.6-0.8.
3. The preparation process of the building exterior wall heat insulation coating according to claim 1, characterized in that: in the step (2), the mass ratio of the first mixed resin material, dicumyl peroxide, cashew phenolic resin and polyoxyethylene is 45-50: 2-4: 10-14: 1-3.
4. The preparation process of the building exterior wall heat insulation coating according to claim 1, characterized in that: and (3) after the mixed modified resin is frozen, taking out the frozen mixed modified resin, recovering the mixed modified resin to normal temperature in an ammonia atmosphere, and replacing air with ammonia in the process of vacuumizing and recovering the normal pressure.
5. The preparation process of the building exterior wall heat insulation coating according to claim 1, characterized in that: the mass ratio of the processing resin, the nano hollow ceramic microspheres, the plasticizer, the sodium dodecyl sulfate, the defoaming agent and the m-phenylenediamine in the step (4) is 50-60: 12-14: 1-2: 0.6-0.7: 1-1.2: 1-1.4.
6. The preparation process of the building exterior wall heat insulation coating according to claim 1, characterized in that: in the step (5), the mass ratio of the acrylic resin, the zinc oxide, the hydroxyethyl cellulose and the deionized water is 20-22: 2-4: 1-1.6: 12-15.
7. The preparation process of the building exterior wall heat insulation coating according to claim 1, characterized in that: in the step (6), the mass ratio of the mixed resin, the nano titanium dioxide, the cerium oxide, the polyacrylamide, the nonylphenol polyoxyethylene ether and the vinyl triamine is 32-35: 4-6: 2-3: 1-1.2: 1-2.
8. The preparation process of the building exterior wall heat insulation coating according to claim 1, characterized in that: when the building exterior wall heat-insulating coating is used, an inner layer coating is coated firstly, and after the inner layer coating is dried, an outer layer coating is coated outside the inner layer coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535664.3A CN111560194A (en) | 2020-06-12 | 2020-06-12 | Preparation process of building exterior wall heat-insulating coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535664.3A CN111560194A (en) | 2020-06-12 | 2020-06-12 | Preparation process of building exterior wall heat-insulating coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111560194A true CN111560194A (en) | 2020-08-21 |
Family
ID=72068725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010535664.3A Pending CN111560194A (en) | 2020-06-12 | 2020-06-12 | Preparation process of building exterior wall heat-insulating coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111560194A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2433717A1 (en) * | 1973-07-16 | 1975-02-06 | Johns Manville | CLADDING MADE UP OF MULTIPLE LAYERS |
| CN101870842A (en) * | 2010-03-02 | 2010-10-27 | 刘立新 | Aqueous cold pigment double-coat multifunctional thermal-insulation external wall paint and preparation method thereof |
| CN103396713A (en) * | 2013-08-11 | 2013-11-20 | 深圳市文浩建材科技有限公司 | Semi-transparent aqueous heat insulation coating and preparation method thereof |
| CN109266122A (en) * | 2018-07-02 | 2019-01-25 | 安徽美佳新材料股份有限公司 | Nano modified aqueous paint and preparation method thereof |
| CN111154371A (en) * | 2020-01-16 | 2020-05-15 | 享居派(上海)科技股份有限公司 | Anti-cracking exterior wall coating and preparation method thereof |
-
2020
- 2020-06-12 CN CN202010535664.3A patent/CN111560194A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2433717A1 (en) * | 1973-07-16 | 1975-02-06 | Johns Manville | CLADDING MADE UP OF MULTIPLE LAYERS |
| CN101870842A (en) * | 2010-03-02 | 2010-10-27 | 刘立新 | Aqueous cold pigment double-coat multifunctional thermal-insulation external wall paint and preparation method thereof |
| CN103396713A (en) * | 2013-08-11 | 2013-11-20 | 深圳市文浩建材科技有限公司 | Semi-transparent aqueous heat insulation coating and preparation method thereof |
| CN109266122A (en) * | 2018-07-02 | 2019-01-25 | 安徽美佳新材料股份有限公司 | Nano modified aqueous paint and preparation method thereof |
| CN111154371A (en) * | 2020-01-16 | 2020-05-15 | 享居派(上海)科技股份有限公司 | Anti-cracking exterior wall coating and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 南仁植: "《粉末涂料与涂装技术》", 31 May 2000 * |
| 张雪芹等: "彩色建筑反射隔热涂料的研制与应用", 《新型建筑材料》 * |
| 王振宇等: "《生物活性成分分离技术》", 31 May 2015 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109456668B (en) | Weather-resistant reflective heat-insulating coating and preparation method thereof | |
| CN105838165B (en) | A kind of UV reflecting coatings and its preparation method and application | |
| CN112745726A (en) | High-performance organic-inorganic composite heat-reflection waterproof coating, and preparation method and application thereof | |
| CN108610822A (en) | Thermal insulating coating for building exterior wall of coating and preparation method thereof | |
| CN107880688A (en) | A kind of third compound heat-insulating energy-saving paint of silicon of high-decoration energy and preparation method thereof | |
| CN114011253A (en) | PTFE microporous membrane surface modification method and application thereof | |
| CN107325720A (en) | Aqueous glass heat insulation paint and preparation method thereof | |
| CN111560194A (en) | Preparation process of building exterior wall heat-insulating coating | |
| CN111534208A (en) | Preparation process of coastal building anticorrosive paint | |
| CN100344717C (en) | Multifunctional energy-saving coating for building | |
| CN112551950B (en) | Preparation process of environment-friendly real stone paint | |
| CN115806751A (en) | Super self-cleaning antibacterial exterior wall coating and preparation method thereof | |
| CN114181579B (en) | Special background primer for heat-insulating and decorative integrated plate and preparation method thereof | |
| CN113637369B (en) | High-hardness water-based nano glass heat-insulating coating and application thereof | |
| CN113817381A (en) | Weather-resistant waterproof elastic napping paint and preparation method thereof | |
| CN112662215A (en) | Waterproof coating for building and preparation method thereof | |
| CN110734691A (en) | coastal environment wooden ancient building waterproof anticorrosive paint and preparation method thereof | |
| CN115353582B (en) | Heat-insulating acrylic emulsion, reflective heat-insulating waterproof coating, and preparation method and application thereof | |
| CN112248571A (en) | Fireproof heat-preservation reflection heat-insulation wall heat-preservation composite board and preparation method thereof | |
| CN110746857A (en) | Luminous building paint | |
| CN107737706A (en) | Imitation wood line spraying aluminum profile technique | |
| CN112143376B (en) | Acid rain-proof heat-insulating finishing paint for external wall and preparation method thereof | |
| CN106867417A (en) | A kind of adhering film to glass UV Photocurable adhesives and preparation method thereof | |
| CN107868613A (en) | A kind of ageing-resistant nano water-proof thermal insulating fluid and preparation method thereof | |
| CN111073417B (en) | Reflective heat-insulating coating and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200821 |
|
| RJ01 | Rejection of invention patent application after publication |