CN113831796A - Building coating and preparation method thereof - Google Patents
Building coating and preparation method thereof Download PDFInfo
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- CN113831796A CN113831796A CN202010583257.XA CN202010583257A CN113831796A CN 113831796 A CN113831796 A CN 113831796A CN 202010583257 A CN202010583257 A CN 202010583257A CN 113831796 A CN113831796 A CN 113831796A
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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
- C09D129/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- 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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- 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
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a building coating and a preparation method thereof, wherein styrene-acrylic acid-acetic acid copolymer emulsion is divided into a first emulsion and a second emulsion, the weight ratio of the first emulsion to the second emulsion is 1: 5-5: 1, and the first emulsion is mixed with 5 parts of sodium tripolyphosphate to obtain a mixed dispersion solution. The paint prepared by the invention can be added with 1-5% of pigment at will for color matching, so as to achieve ideal decorative purpose and effect, simultaneously, the fireproof and physical properties of the coating are not influenced, smoke and toxicity with any side effect are not generated when the paint meets fire or high temperature, the flame retardant effect is very ideal, various physical indexes such as weather resistance, water resistance and the like are very ideal, the requirements of people and society at present and in a future period are completely met, and the paint can improve the adhesion capacity on the pipeline compared with the existing paint applied to the building pipeline by adopting PVB resin in the preparation process of the smoke-inhibiting flame retardant.
Description
Technical Field
The invention relates to the technical field of building coatings, in particular to a building coating and a preparation method thereof.
Background
The fireproof coating is characterized in that the fireproof capacity of the material can be improved, the flame spread propagation speed can be slowed down by brushing the coating on the surface of the flammable material, or can prevent burning within a certain period of time, the coating is called fire-retardant coating, or flame-retardant coating, the fire-retardant coating is a special coating which is used on the surface of flammable base material, can reduce the flammability of the surface of the material to be coated, can retard the rapid spread of fire and is used for improving the fire endurance of the material to be coated, the fire-retardant coating is needed in the building construction, but the main base materials of the existing organic water-based fire-retardant coating are polyacrylic emulsion, styrene modified emulsion and the like, its advantages are no poison and odour, high cold resistance and heat insulating performance, low flame resistance and heat resistance, easy adhesion, low temp. embrittlement and poor air permeability.
Disclosure of Invention
The invention aims to provide an architectural coating and a preparation method thereof, which have the advantage of high fireproof performance and solve the problems of poor flame retardance and heat resistance, easy reverse adhesion and dust adhesion at high temperature, easy embrittlement at low temperature and poor air permeability of the existing organic water-based fireproof coating and bring great inconvenience to users.
In order to achieve the purpose, the invention provides the following technical scheme: the building coating comprises the following components in percentage by mass:
preferably, the smoke-suppressing flame retardant comprises the following components in percentage by mass:
preferably, the defoaming agent is any one of a F-III type defoaming agent and an NXZ type defoaming agent; the wetting agent is any one of 1130-type wetting agent and PE 100-type wetting agent; the film forming additive is any one of alcohol ester twelve and Istman, the dispersant is one of sodium hexametaphosphate and fast and easy dispersant, the dewatering catalyst is any one of melamine or phosphoric acid, the foaming agent is any one of melamine or urea-formaldehyde resin, the carbonizing agent is any one of sorbitol or pentaerythritol or dipentaerythritol, the bactericide is any one of tetrachloroisophthalonitrile or 5 chlorobenzophenone 4 isothiazoline-3-one or 2 n-octyl monoisothiazoline-3-one, the thickener is any one of ASE-60 type thickener and DR-72 type thickener, and the regulator is any one of sodium methyl silicate, potassium silicate and potassium hydroxide.
Preferably, the smoke-suppressing flame retardant also comprises 15-30 parts of styrene-acrylic acid-acetic acid copolymer emulsion; 4-11 parts of aluminum silicate fiber and 15-60 parts of fluororesin.
A preparation method of the architectural coating comprises the following steps:
preparing a smoke-suppressing flame retardant:
s1: dividing the styrene-acrylic acid-vinyl acetate copolymer emulsion into a first emulsion and a second emulsion, wherein the weight ratio of the first emulsion to the second emulsion is 1: 5-5: 1;
s2: mixing the first part of emulsion with 5-12 parts of sodium tripolyphosphate to obtain a mixed dispersion solution;
s3: grinding and mixing 30-50 parts of ammonium polyphosphate, 20-35 parts of titanium dioxide, 15-30 parts of nano calcium carbonate, 6-20 parts of hydroxyethyl cellulose, 15-30 parts of pentaerythritol, 4-20 parts of chlorinated paraffin and 4-10 parts of aluminum silicate fiber to obtain a ground mixture;
s4: mixing the milled mixture with the mixed dispersion solution to form an intermediate mixture;
s5: and (3) mixing the intermediate mixture with the second part of emulsion, and adding 220 parts of PVB resin, 6-20 parts of ethylene glycol monobutyl ether, 15-40 parts of amino resin and 25-40 parts of etherified melamine resin to form the smoke-suppressing flame retardant.
(II) preparing a fireproof coating:
s1: taking 20-40 parts of water which can be directly drunk and is in a standard state, adding 1-4 parts of 10% sodium hexametaphosphate aqueous solution under the stirring of 150-400r/min, and uniformly mixing;
s2: under the condition of fully and evenly stirring, sequentially adding 0.1-0.3 part of defoaming agent, 0.1-0.4 part of wetting agent and 0.1-0.6 part of film-forming additive, and continuously stirring at 350r/min under 200 plus materials;
s3: after uniformly stirring, adding 10-30 parts of dehydration catalyst, then changing to 400-700r/min, stirring for 5-12min, adding 10-12 parts of foaming agent, stirring for 6-15min, then adding 7-90 parts of carbonizing agent, stirring for 8-22min, then adding 8-15 parts of smoke-suppressing fire retardant prepared in the above steps, stirring for 15-40min, then adding 10-20 parts of titanium dioxide, and stirring for 20-40 min;
s4: grinding the mixture obtained by stirring by using a three-roller and a sand mill to ensure that the fineness is less than or equal to 55 um; after grinding, 0.2 to 0.6 portion of bactericide, 0.5 to 1.3 portions of thickening agent and 0.1 to 0.5 portion of regulator are sequentially added under the stirring of 350-650r/min to ensure that the viscosity reaches 80 to 95ku and the PH value reaches 6.0 to 7.5, and the fireproof coating is obtained after filtration.
Compared with the prior art, the invention has the following beneficial effects:
the paint prepared by the invention can be added with 1-5% of pigment at will for color matching, so as to achieve ideal decorative purposes and effects, simultaneously, the fireproof and physical properties of the coating are not influenced, smoke and toxicity with any negative effect are not generated when the paint meets fire or high temperature, the flame retardant effect is very ideal, various physical indexes such as weather resistance, water resistance and the like are very ideal, the requirements of people and society at present and in a future period of time are completely met, and compared with the existing paint applied to building pipelines, the paint can improve the adhesion capacity on the pipelines and reduce the problems of falling and stripping of the paint on the pipelines due to the adoption of PVB resin in the preparation process of the smoke-inhibiting flame retardant.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
The invention provides a technical scheme that:
the building coating comprises the following components in percentage by mass:
a preparation method of the architectural coating comprises the following steps:
preparing a smoke-suppressing flame retardant:
s1: dividing the styrene-acrylic acid-vinyl acetate copolymer emulsion into a first emulsion and a second emulsion, wherein the weight ratio of the first emulsion to the second emulsion is 1: 5-5: 1;
s2: mixing the first part of emulsion with 5-12 parts of sodium tripolyphosphate to obtain a mixed dispersion solution;
s3: grinding and mixing 30-50 parts of ammonium polyphosphate, 20-35 parts of titanium dioxide, 15-30 parts of nano calcium carbonate, 6-20 parts of hydroxyethyl cellulose, 15-30 parts of pentaerythritol, 4-20 parts of chlorinated paraffin and 4-10 parts of aluminum silicate fiber to obtain a ground mixture;
s4: mixing the milled mixture with the mixed dispersion solution to form an intermediate mixture;
s5: and (3) mixing the intermediate mixture with the second part of emulsion, and adding 220 parts of PVB resin, 6-20 parts of ethylene glycol monobutyl ether, 15-40 parts of amino resin and 25-40 parts of etherified melamine resin to form the smoke-suppressing flame retardant.
(II) preparing a fireproof coating:
s1: taking 20-40 parts of water which can be directly drunk and is in a standard state, adding 1-4 parts of 10% sodium hexametaphosphate aqueous solution under the stirring of 150-400r/min, and uniformly mixing;
s2: under the condition of fully and evenly stirring, sequentially adding 0.1-0.3 part of defoaming agent, 0.1-0.4 part of wetting agent and 0.1-0.6 part of film-forming additive, and continuously stirring at 350r/min under 200 plus materials;
s3: after uniformly stirring, adding 10-30 parts of dehydration catalyst, then changing to 400-700r/min, stirring for 5-12min, adding 10-12 parts of foaming agent, stirring for 6-15min, then adding 7-90 parts of carbonizing agent, stirring for 8-22min, then adding 8-15 parts of smoke-suppressing fire retardant prepared in the above steps, stirring for 15-40min, then adding 10-20 parts of titanium dioxide, and stirring for 20-40 min;
s4: grinding the mixture obtained by stirring by using a three-roller and a sand mill to ensure that the fineness is less than or equal to 55 um; after grinding, 0.2 to 0.6 portion of bactericide, 0.5 to 1.3 portions of thickening agent and 0.1 to 0.5 portion of regulator are sequentially added under the stirring of 350-650r/min to ensure that the viscosity reaches 80 to 95ku and the PH value reaches 6.0 to 7.5, and the fireproof coating is obtained after filtration.
The first embodiment is as follows:
firstly, dividing styrene-acrylic acid-vinyl acetate copolymer emulsion into a first emulsion and a second emulsion, wherein the weight ratio of the first emulsion to the second emulsion is 1: 5-5: 1, mixing the first emulsion with 5 parts of sodium tripolyphosphate to obtain a mixed dispersion solution, grinding and mixing 30 parts of ammonium polyphosphate, 20 parts of titanium dioxide, 15 parts of nano calcium carbonate, 6 parts of hydroxyethyl cellulose, 15 parts of pentaerythritol, 5 parts of chlorinated paraffin and 5 parts of aluminum silicate fibers to obtain a grinding mixture, mixing the obtained grinding mixture with the mixed dispersion solution to form an intermediate mixture, and mixing the intermediate mixture with the second emulsion, 100 parts of PVB resin, 6 parts of ethylene glycol monobutyl ether, 15 parts of amino resin and 25 parts of etherified melamine resin to form a smoke suppression flame retardant; then 20 parts of water which can be directly drunk and is stirred at 150r/min is added with 2 parts of 10% sodium hexametaphosphate aqueous solution for even mixing, under the condition of fully and evenly stirring, 0.1 part of defoaming agent, 0.1 part of wetting agent and 0.2 part of film forming auxiliary agent are sequentially added, stirring is continued at 200r/min, after even stirring, 10 parts of dehydration catalyst is added and is converted into 400r/min for stirring for 5min, 10 parts of foaming agent is added, 20 parts of carbonizing agent is added and is stirred for 10min after stirring for 6min, 12 parts of smoke-suppressing fire retardant prepared by the steps are added and is stirred for 20min, 10 parts of titanium dioxide is added and is stirred for 20min, and the mixture obtained by stirring is ground by a three-roller and a sand mill to ensure that the fineness is less than or equal to 55 um; after grinding, under the stirring of 350r/min, 0.2 part of bactericide, 0.5 part of thickening agent and 0.2 part of regulator are sequentially added to ensure that the viscosity reaches 80ku and the pH value reaches 6.0, and the fireproof coating is obtained after filtering.
The paint prepared by the invention can be added with 1-5% of pigment at will for color matching, so as to achieve ideal decorative purposes and effects, simultaneously, the fireproof and physical properties of the coating are not influenced, smoke and toxicity with any negative effect are not generated when the paint meets fire or high temperature, the flame retardant effect is very ideal, various physical indexes such as weather resistance, water resistance and the like are very ideal, the requirements of people and society at present and in a future period of time are completely met, and compared with the existing paint applied to building pipelines, the paint can improve the adhesion capacity on the pipelines and reduce the problems of falling and stripping of the paint on the pipelines due to the adoption of PVB resin in the preparation process of the smoke-inhibiting flame retardant.
Example two:
firstly, dividing styrene-acrylic acid-vinyl acetate copolymer emulsion into a first emulsion and a second emulsion, wherein the weight ratio of the first emulsion to the second emulsion is 1: 5-5: 1, mixing the first emulsion with 7 parts of sodium tripolyphosphate to obtain a mixed dispersion solution, grinding and mixing 40 parts of ammonium polyphosphate, 25 parts of titanium dioxide, 20 parts of nano calcium carbonate, 10 parts of hydroxyethyl cellulose, 20 parts of pentaerythritol, 6 parts of chlorinated paraffin and 7 parts of aluminum silicate fibers to obtain a grinding mixture, mixing the obtained grinding mixture with the mixed dispersion solution to form an intermediate mixture, and mixing the intermediate mixture with the second emulsion, adding 150 parts of PVB resin, 10 parts of ethylene glycol monobutyl ether, 20 parts of amino resin and 30 parts of etherified melamine resin to form a smoke suppression flame retardant; then 25 parts of water which can be directly drunk and is stirred at 200r/min is added with 3 parts of 10% sodium hexametaphosphate aqueous solution for even mixing, under the condition of fully and evenly stirring, 0.2 part of defoaming agent, 0.2 part of wetting agent and 0.3 part of film forming auxiliary agent are sequentially added, stirring is continued at 300r/min, after even stirring, 15 parts of dehydration catalyst is added and then is converted into 500r/min for stirring for 8min, 11 parts of foaming agent is added, 30 parts of carbonizing agent is added and stirred for 15min after stirring for 7min, 15 parts of smoke-suppressing fire retardant prepared in the steps are added and stirred for 30min, 15 parts of titanium dioxide is added and stirred for 30min, and the mixture obtained by stirring is ground by a three-roller and a sand mill to ensure that the fineness is less than or equal to 55 um; after grinding, under the stirring of 400r/min, 0.3 part of bactericide, 0.8 part of thickening agent and 0.3 part of regulator are sequentially added to ensure that the viscosity reaches 85ku and the pH value reaches 6.5, and the fireproof coating is obtained after filtering.
The paint prepared by the invention can be added with 1-5% of pigment at will for color matching, so as to achieve ideal decorative purposes and effects, simultaneously, the fireproof and physical properties of the coating are not influenced, smoke and toxicity with any negative effect are not generated when the paint meets fire or high temperature, the flame retardant effect is very ideal, various physical indexes such as weather resistance, water resistance and the like are very ideal, the requirements of people and society at present and in a future period of time are completely met, and compared with the existing paint applied to building pipelines, the paint can improve the adhesion capacity on the pipelines and reduce the problems of falling and stripping of the paint on the pipelines due to the adoption of PVB resin in the preparation process of the smoke-inhibiting flame retardant.
Example three:
firstly, dividing styrene-acrylic acid-vinyl acetate copolymer emulsion into a first emulsion and a second emulsion, wherein the weight ratio of the first emulsion to the second emulsion is 1: 5-5: 1, mixing the first emulsion with 10 parts of sodium tripolyphosphate to obtain a mixed dispersion solution, grinding and mixing 45 parts of ammonium polyphosphate, 30 parts of titanium dioxide, 25 parts of nano calcium carbonate, 15 parts of hydroxyethyl cellulose, 25 parts of pentaerythritol, 7 parts of chlorinated paraffin and 8 parts of aluminum silicate fibers to obtain a grinding mixture, mixing the obtained grinding mixture with the mixed dispersion solution to form an intermediate mixture, mixing the intermediate mixture with the second emulsion, adding 180 parts of PVB resin, 15 parts of ethylene glycol monobutyl ether, 25 parts of amino resin and 35 parts of etherified melamine resin to form a smoke suppression flame retardant; then taking 30 parts of water which can be directly drunk and adding 4 parts of 10% sodium hexametaphosphate aqueous solution under the stirring of 300r/min for uniformly mixing, under the condition of fully and uniformly stirring, sequentially adding 0.3 part of defoaming agent, 0.3 part of wetting agent and 0.2 part of film forming auxiliary agent, continuously stirring at 350r/min, after uniformly stirring, adding 20 parts of dehydration catalyst, converting into 600r/min for stirring for 12min, adding 12 parts of foaming agent, stirring for 10min, adding 40 parts of carbonizing agent for stirring for 20min, adding 15 parts of smoke-suppressing fire retardant prepared in the above step for stirring for 35min, adding 20 parts of titanium dioxide for stirring for 35min, grinding the obtained mixture by stirring by using a three-roller and a sand mill to ensure that the fineness is less than or equal to 55 um; after grinding, under the stirring of 500r/min, 0.5 part of bactericide, 1.0 part of thickening agent and 0.4 part of regulator are sequentially added to ensure that the viscosity reaches 90ku and the pH value reaches 7.0, and the fireproof coating is obtained after filtering.
The paint prepared by the invention can be added with 1-5% of pigment at will for color matching, so as to achieve ideal decorative purposes and effects, simultaneously, the fireproof and physical properties of the coating are not influenced, smoke and toxicity with any negative effect are not generated when the paint meets fire or high temperature, the flame retardant effect is very ideal, various physical indexes such as weather resistance, water resistance and the like are very ideal, the requirements of people and society at present and in a future period of time are completely met, and compared with the existing paint applied to building pipelines, the paint can improve the adhesion capacity on the pipelines and reduce the problems of falling and stripping of the paint on the pipelines due to the adoption of PVB resin in the preparation process of the smoke-inhibiting flame retardant.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An architectural coating characterized by: the components by mass percentage are as follows:
2. the architectural coating and the preparation method thereof according to claim 1, wherein: the smoke-suppressing flame retardant comprises the following components in percentage by mass:
3. the architectural coating and the preparation method thereof according to claim 1, wherein: the defoaming agent is any one of F-III defoaming agent and NXZ defoaming agent; the wetting agent is any one of 1130-type wetting agent and PE 100-type wetting agent; the film forming additive is any one of alcohol ester twelve and Istman, the dispersant is one of sodium hexametaphosphate and fast and easy dispersant, the dewatering catalyst is any one of melamine or phosphoric acid, the foaming agent is any one of melamine or urea-formaldehyde resin, the carbonizing agent is any one of sorbitol or pentaerythritol or dipentaerythritol, the bactericide is any one of tetrachloroisophthalonitrile or 5 chlorobenzophenone 4 isothiazoline-3-one or 2 n-octyl monoisothiazoline-3-one, the thickener is any one of ASE-60 type thickener and DR-72 type thickener, and the regulator is any one of sodium methyl silicate, potassium silicate and potassium hydroxide.
4. The architectural coating and the preparation method thereof according to claim 2, wherein: the smoke-suppressing fire retardant also comprises 15-30 parts of styrene-acrylic acid-acetic acid copolymer emulsion; 4-11 parts of aluminum silicate fiber and 15-60 parts of fluororesin.
5. A process for the preparation of an architectural coating according to claims 1-4, wherein: the preparation method comprises the following steps:
preparing a smoke-suppressing flame retardant:
s1: dividing the styrene-acrylic acid-vinyl acetate copolymer emulsion into a first emulsion and a second emulsion, wherein the weight ratio of the first emulsion to the second emulsion is 1: 5-5: 1;
s2: mixing the first part of emulsion with 5-12 parts of sodium tripolyphosphate to obtain a mixed dispersion solution;
s3: grinding and mixing 30-50 parts of ammonium polyphosphate, 20-35 parts of titanium dioxide, 15-30 parts of nano calcium carbonate, 6-20 parts of hydroxyethyl cellulose, 15-30 parts of pentaerythritol, 4-20 parts of chlorinated paraffin and 4-10 parts of aluminum silicate fiber to obtain a ground mixture;
s4: mixing the milled mixture with the mixed dispersion solution to form an intermediate mixture;
s5: and (3) mixing the intermediate mixture with the second part of emulsion, and adding 220 parts of PVB resin, 6-20 parts of ethylene glycol monobutyl ether, 15-40 parts of amino resin and 25-40 parts of etherified melamine resin to form the smoke-suppressing flame retardant.
(II) preparing a fireproof coating:
s1: taking 20-40 parts of water which can be directly drunk and is in a standard state, adding 1-4 parts of 10% sodium hexametaphosphate aqueous solution under the stirring of 150-400r/min, and uniformly mixing;
s2: under the condition of fully and evenly stirring, sequentially adding 0.1-0.3 part of defoaming agent, 0.1-0.4 part of wetting agent and 0.1-0.6 part of film-forming additive, and continuously stirring at 350r/min under 200 plus materials;
s3: after uniformly stirring, adding 10-30 parts of dehydration catalyst, then changing to 400-700r/min, stirring for 5-12min, adding 10-12 parts of foaming agent, stirring for 6-15min, then adding 7-90 parts of carbonizing agent, stirring for 8-22min, then adding 8-15 parts of smoke-suppressing fire retardant prepared in the above steps, stirring for 15-40min, then adding 10-20 parts of titanium dioxide, and stirring for 20-40 min;
s4: grinding the mixture obtained by stirring by using a three-roller and a sand mill to ensure that the fineness is less than or equal to 55 um; after grinding, 0.2 to 0.6 portion of bactericide, 0.5 to 1.3 portions of thickening agent and 0.1 to 0.5 portion of regulator are sequentially added under the stirring of 350-650r/min to ensure that the viscosity reaches 80 to 95ku and the PH value reaches 6.0 to 7.5, and the fireproof coating is obtained after filtration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010583257.XA CN113831796A (en) | 2020-06-23 | 2020-06-23 | Building coating and preparation method thereof |
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| CN202010583257.XA CN113831796A (en) | 2020-06-23 | 2020-06-23 | Building coating and preparation method thereof |
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| CN113831796A true CN113831796A (en) | 2021-12-24 |
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| CN (1) | CN113831796A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127355A (en) * | 2011-03-14 | 2011-07-20 | 哈尔滨博元生物科技有限公司 | Preparation method of waterborne indoor finishing smokeless and fireproof paint |
| CN102702885A (en) * | 2012-06-13 | 2012-10-03 | 天长市银狐漆业有限公司 | Aqueous indoor smoke-free fire-proof coating |
| CN109535868A (en) * | 2018-12-05 | 2019-03-29 | 陈泽威 | A kind of building coating and preparation method thereof |
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2020
- 2020-06-23 CN CN202010583257.XA patent/CN113831796A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127355A (en) * | 2011-03-14 | 2011-07-20 | 哈尔滨博元生物科技有限公司 | Preparation method of waterborne indoor finishing smokeless and fireproof paint |
| CN102702885A (en) * | 2012-06-13 | 2012-10-03 | 天长市银狐漆业有限公司 | Aqueous indoor smoke-free fire-proof coating |
| CN109535868A (en) * | 2018-12-05 | 2019-03-29 | 陈泽威 | A kind of building coating and preparation method thereof |
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Application publication date: 20211224 |
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