CN112724759A - Quick-drying type real stone paint suitable for low-temperature environment - Google Patents
Quick-drying type real stone paint suitable for low-temperature environment Download PDFInfo
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- CN112724759A CN112724759A CN202011585094.5A CN202011585094A CN112724759A CN 112724759 A CN112724759 A CN 112724759A CN 202011585094 A CN202011585094 A CN 202011585094A CN 112724759 A CN112724759 A CN 112724759A
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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
- 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
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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
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
Abstract
The invention relates to a quick-drying type real stone paint suitable for a low-temperature environment, which is characterized by comprising the following raw materials in parts by weight: 15-25 parts of quick-drying acrylic emulsion, 5-15 parts of methyl water glass, 0.1-1 part of quaternary ammonium salt, 1-5 parts of silane coupling agent, 40-60 parts of quartz sand, 1-3 parts of cellulose, 10-20 parts of propanedione, 8-10 parts of film-forming assistant, 1-3 parts of ammonia water, 1-3 parts of modified bentonite, 4-8 parts of ethylene glycol, 0.1-0.5 part of defoaming agent and 70-85 parts of deionized water; the quick-drying type real stone paint suitable for the low-temperature environment comprises the following manufacturing steps: preparing a film forming agent by using deionized water, cellulose, a film forming auxiliary agent, propanedione and ammonia water, and preparing a first mixed emulsion by using the deionized water, the quick-drying acrylic emulsion, glycol, a silane coupling agent, a defoaming agent, quartz sand and modified bentonite; mixing the film-forming agent and the first mixed emulsion in proportion on a construction site to obtain the quick-drying type real stone paint suitable for the low-temperature environment; the invention has the advantages of strong cohesiveness and quick drying in low temperature environment.
Description
Technical Field
The invention belongs to the technical field of exterior wall decorative coatings, and particularly relates to quick-drying type real stone paint suitable for a low-temperature environment.
Background
The stone-like paint is a decorative paint with decorative effect exactly similar to marble and granite, and is also a liquid colorful paint, so that the stone-like paint has the characteristics of good fire resistance, water resistance, acid and alkali resistance, pollution resistance, strong binding power, no fading and the like, and is widely applied to the decoration of the outer wall of a building wall. However, with the wide-range application of the real stone paint, the defects of the real stone paint are more and more prominent, in winter, due to the lower air temperature, the drying time of the real stone paint is longer, the construction period is seriously affected, and the real stone paint layer is easy to crack and fall sand along with the lapse of time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the quick-drying type stone-like paint which has strong caking property and can be quickly dried in a low-temperature environment and is suitable for the low-temperature environment.
The technical scheme of the invention is as follows:
the quick-drying type real stone paint suitable for the low-temperature environment comprises the following raw materials in parts by weight:
15-25 parts of quick-drying acrylic emulsion, 5-15 parts of methyl water glass, 0.1-1 part of quaternary ammonium salt, 1-5 parts of silane coupling agent, 40-60 parts of quartz sand, 1-3 parts of cellulose, 10-20 parts of propanedione, 8-10 parts of film-forming assistant, 1-3 parts of ammonia water, 1-3 parts of modified bentonite, 4-8 parts of ethylene glycol, 0.1-0.5 part of defoaming agent and 70-85 parts of deionized water;
the quick-drying type real stone paint suitable for the low-temperature environment comprises the following manufacturing steps:
s1, adding deionized water into the reaction kettle, starting a stirring mechanism, adding the required weight parts of cellulose into the reaction kettle successively until the cellulose is completely added, and continuing stirring until the cellulose is uniformly dispersed;
s2, keeping the rotating speed inconvenient, sequentially adding a film-forming aid, propanedione and ammonia water, and fully stirring to obtain a film-forming agent;
s3, adding deionized water into the other reaction kettle, starting a stirring mechanism, and continuously stirring the quick-drying acrylic emulsion, the methyl water glass and the quaternary ammonium salt in required parts by weight to uniformly mix the mixed solution;
s4, keeping the rotation speed inconvenient, adding ethylene glycol, a silane coupling agent and a defoaming agent into the mixed solution in the step S3 in sequence, and continuously stirring the mixed solution uniformly;
s5, increasing the rotating speed to 1.5 times of the original rotating speed, sequentially adding quartz sand and modified bentonite, and continuously stirring for 5min to obtain a first mixed emulsion;
s6, performing blade coating on an external wall surface test on a construction site, and taking the film forming agent and the first mixed emulsion according to the proportion to rapidly stir until the film forming agent and the first mixed emulsion are uniformly mixed, thereby obtaining the quick-drying type real stone paint suitable for the low-temperature environment.
Further, the preparation process of the modified bentonite is as follows:
s21, dissolving ethylene glycol in deionized water, adding polyacrylamide, bentonite, ethyl acrylate, polyvinyl alcohol and deionized water, and uniformly stirring to obtain a suspension emulsion;
s22, mixing bentonite and pentaerythritol, stirring, adding zircon powder, continuously stirring uniformly, drying, and crushing to obtain mixed powder;
s23, mixing the suspension emulsion obtained in the step S21 with the mixed powder obtained in the step S22, stirring uniformly, drying, crushing, and sieving to obtain the modified bentonite.
Further, in the step S1-S4, the stirring speed is 700 and 850 rpm, the stirring time is not less than 3min, and further, in the step S1-S5 of stirring, ultrasonic wave is applied to assist dispersion.
Further, the quartz sand is formed by mixing 100-mesh 120-mesh quartz sand and 60-90-mesh quartz sand according to the mass ratio of (2-3) to 1.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, after the film forming agent and the first mixed emulsion are separately prepared, the film forming agent and the first mixed emulsion are prepared on site, and a user can select the proportion of the film forming agent and the first mixed emulsion to mix according to the use environment condition, so that the flexibility of the site according to local conditions is effectively improved;
according to the invention, the quick-drying acrylic emulsion is added into the first mixed emulsion, so that the real stone paint can be quickly dried in a low-temperature environment, and when the real stone paint is used, the quick-drying acrylic emulsion can be reasonably selected according to the applied environment condition so as to enhance the using environment capacity of the real stone paint;
according to the invention, the modified bentonite is added into the first mixed emulsion, so that the bonding strength of the real stone paint is effectively improved, and the condition of sand hanging occurs after blade coating is placed.
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.
Example 1
The quick-drying type real stone paint suitable for the low-temperature environment comprises the following raw materials in parts by weight:
15 parts of quick-drying acrylic emulsion, 15 parts of methyl water glass, 0.1 part of quaternary ammonium salt, 1 part of silane coupling agent, 40 parts of quartz sand, 3 parts of cellulose, 10 parts of propanedione, 10 parts of film-forming assistant, 1 part of ammonia water, 1 part of modified bentonite, 8 parts of ethylene glycol, 0.1 part of defoaming agent and 85 parts of deionized water;
the quick-drying type real stone paint suitable for the low-temperature environment comprises the following manufacturing steps:
s1, adding deionized water into the reaction kettle, starting a stirring mechanism, adding the required weight parts of cellulose into the reaction kettle successively until the cellulose is completely added, and continuing stirring until the cellulose is uniformly dispersed;
s2, keeping the rotating speed inconvenient, sequentially adding a film-forming aid, propanedione and ammonia water, and fully stirring to obtain a film-forming agent;
s3, adding deionized water into the other reaction kettle, starting a stirring mechanism, and continuously stirring the quick-drying acrylic emulsion, the methyl water glass and the quaternary ammonium salt in required parts by weight to uniformly mix the mixed solution;
s4, keeping the rotation speed inconvenient, adding ethylene glycol, a silane coupling agent and a defoaming agent into the mixed solution in the step S3 in sequence, and continuously stirring the mixed solution uniformly;
s5, increasing the rotating speed to 1.5 times of the original rotating speed, sequentially adding quartz sand and modified bentonite, and continuously stirring for 5min to obtain a first mixed emulsion;
s6, performing blade coating on an external wall surface test on a construction site, and taking the film forming agent and the first mixed emulsion according to the proportion to rapidly stir until the film forming agent and the first mixed emulsion are uniformly mixed, thereby obtaining the quick-drying type real stone paint suitable for the low-temperature environment.
In this embodiment, the preparation process of the modified bentonite is as follows:
s21, dissolving ethylene glycol in deionized water, adding polyacrylamide, bentonite, ethyl acrylate, polyvinyl alcohol and deionized water, and uniformly stirring to obtain a suspension emulsion;
s22, mixing bentonite and pentaerythritol, stirring, adding zircon powder, continuously stirring uniformly, drying, and crushing to obtain mixed powder;
s23, mixing the suspension emulsion obtained in the step S21 with the mixed powder obtained in the step S22, stirring uniformly, drying, crushing, and sieving to obtain the modified bentonite.
Further, when the steps S1-S4 are performed, the stirring speed is 700 and 850 revolutions per minute, and the stirring time is not less than 3min
Further, in the process of performing the stirring of steps S1-S5, ultrasonic waves are applied to assist the dispersion.
Further, the quartz sand is formed by mixing 100-mesh quartz sand and 60-mesh quartz sand according to the mass ratio of 2: 1.
Example 2
The quick-drying type real stone paint suitable for the low-temperature environment comprises the following raw materials in parts by weight:
25 parts of quick-drying acrylic emulsion, 6 parts of methyl water glass, 1 part of quaternary ammonium salt, 5 parts of silane coupling agent, 60 parts of quartz sand, 1 part of cellulose, 20 parts of propanedione, 8 parts of film-forming assistant, 3 parts of ammonia water, 3 parts of modified bentonite, 4 parts of ethylene glycol, 0.5 part of defoaming agent and 70 parts of deionized water;
the quick-drying type real stone paint suitable for the low-temperature environment comprises the following manufacturing steps:
s1, adding deionized water into the reaction kettle, starting a stirring mechanism, adding the required weight parts of cellulose into the reaction kettle successively until the cellulose is completely added, and continuing stirring until the cellulose is uniformly dispersed;
s2, keeping the rotating speed inconvenient, sequentially adding a film-forming aid, propanedione and ammonia water, and fully stirring to obtain a film-forming agent;
s3, adding deionized water into the other reaction kettle, starting a stirring mechanism, and continuously stirring the quick-drying acrylic emulsion, the methyl water glass and the quaternary ammonium salt in required parts by weight to uniformly mix the mixed solution;
s4, keeping the rotation speed inconvenient, adding ethylene glycol, a silane coupling agent and a defoaming agent into the mixed solution in the step S3 in sequence, and continuously stirring the mixed solution uniformly;
s5, increasing the rotating speed to 1.5 times of the original rotating speed, sequentially adding quartz sand and modified bentonite, and continuously stirring for 5min to obtain a first mixed emulsion;
s6, performing blade coating on an external wall surface test on a construction site, and taking the film forming agent and the first mixed emulsion according to the proportion to rapidly stir until the film forming agent and the first mixed emulsion are uniformly mixed, thereby obtaining the quick-drying type real stone paint suitable for the low-temperature environment.
In this embodiment, the preparation process of the modified bentonite is as follows:
s21, dissolving ethylene glycol in deionized water, adding polyacrylamide, bentonite, ethyl acrylate, polyvinyl alcohol and deionized water, and uniformly stirring to obtain a suspension emulsion;
s22, mixing bentonite and pentaerythritol, stirring, adding zircon powder, continuously stirring uniformly, drying, and crushing to obtain mixed powder;
s23, mixing the suspension emulsion obtained in the step S21 with the mixed powder obtained in the step S22, stirring uniformly, drying, crushing, and sieving to obtain the modified bentonite.
Further, when the steps S1-S4 are performed, the stirring speed is 700 and 850 revolutions per minute, and the stirring time is not less than 3min
Further, in the process of performing the stirring of steps S1-S5, ultrasonic waves are applied to assist the dispersion.
Further, the quartz sand is formed by mixing 120-mesh quartz sand and 90-mesh quartz sand according to the mass ratio of 2: 1.
Example 3
The quick-drying type real stone paint suitable for the low-temperature environment comprises the following raw materials in parts by weight:
20 parts of quick-drying acrylic emulsion, 8 parts of methyl water glass, 0.5 part of quaternary ammonium salt, 3 parts of silane coupling agent, 55 parts of quartz sand, 2.5 parts of cellulose, 15 parts of propanedione, 8.6 parts of film-forming assistant, 2 parts of ammonia water, 1.5 parts of modified bentonite, 6 parts of ethylene glycol, 0.3 part of defoaming agent and 75 parts of deionized water;
the quick-drying type real stone paint suitable for the low-temperature environment comprises the following manufacturing steps:
s1, adding deionized water into the reaction kettle, starting a stirring mechanism, adding the required weight parts of cellulose into the reaction kettle successively until the cellulose is completely added, and continuing stirring until the cellulose is uniformly dispersed;
s2, keeping the rotating speed inconvenient, sequentially adding a film-forming aid, propanedione and ammonia water, and fully stirring to obtain a film-forming agent;
s3, adding deionized water into the other reaction kettle, starting a stirring mechanism, and continuously stirring the quick-drying acrylic emulsion, the methyl water glass and the quaternary ammonium salt in required parts by weight to uniformly mix the mixed solution;
s4, keeping the rotation speed inconvenient, adding ethylene glycol, a silane coupling agent and a defoaming agent into the mixed solution in the step S3 in sequence, and continuously stirring the mixed solution uniformly;
s5, increasing the rotating speed to 1.5 times of the original rotating speed, sequentially adding quartz sand and modified bentonite, and continuously stirring for 5min to obtain a first mixed emulsion;
s6, performing blade coating on an external wall surface test on a construction site, and taking the film forming agent and the first mixed emulsion according to the proportion to rapidly stir until the film forming agent and the first mixed emulsion are uniformly mixed, thereby obtaining the quick-drying type real stone paint suitable for the low-temperature environment.
In this embodiment, the preparation process of the modified bentonite is as follows:
s21, dissolving ethylene glycol in deionized water, adding polyacrylamide, bentonite, ethyl acrylate, polyvinyl alcohol and deionized water, and uniformly stirring to obtain a suspension emulsion;
s22, mixing bentonite and pentaerythritol, stirring, adding zircon powder, continuously stirring uniformly, drying, and crushing to obtain mixed powder;
s23, mixing the suspension emulsion obtained in the step S21 with the mixed powder obtained in the step S22, stirring uniformly, drying, crushing, and sieving to obtain the modified bentonite.
Further, when the steps S1-S4 are performed, the stirring speed is 700 and 850 revolutions per minute, and the stirring time is not less than 3min
Further, in the process of performing the stirring of steps S1-S5, ultrasonic waves are applied to assist the dispersion.
Further, the quartz sand is formed by mixing 115-mesh quartz sand and 70-mesh quartz sand according to the mass ratio of 2.5: 1.
Example 4
The quick-drying type real stone paint suitable for the low-temperature environment comprises the following raw materials in parts by weight:
18 parts of quick-drying acrylic emulsion, 10 parts of methyl water glass, 0.8 part of quaternary ammonium salt, 4 parts of silane coupling agent, 45 parts of quartz sand, 1.5 parts of cellulose, 18 parts of propanedione, 9 parts of film forming additive, 2.5 parts of ammonia water, 2 parts of modified bentonite, 5 parts of ethylene glycol, 0.2 part of defoaming agent and 73 parts of deionized water;
the quick-drying type real stone paint suitable for the low-temperature environment comprises the following manufacturing steps:
s1, adding deionized water into the reaction kettle, starting a stirring mechanism, adding the required weight parts of cellulose into the reaction kettle successively until the cellulose is completely added, and continuing stirring until the cellulose is uniformly dispersed;
s2, keeping the rotating speed inconvenient, sequentially adding a film-forming aid, propanedione and ammonia water, and fully stirring to obtain a film-forming agent;
s3, adding deionized water into the other reaction kettle, starting a stirring mechanism, and continuously stirring the quick-drying acrylic emulsion, the methyl water glass and the quaternary ammonium salt in required parts by weight to uniformly mix the mixed solution;
s4, keeping the rotation speed inconvenient, adding ethylene glycol, a silane coupling agent and a defoaming agent into the mixed solution in the step S3 in sequence, and continuously stirring the mixed solution uniformly;
s5, increasing the rotating speed to 1.5 times of the original rotating speed, sequentially adding quartz sand and modified bentonite, and continuously stirring for 5min to obtain a first mixed emulsion;
s6, performing blade coating on an external wall surface test on a construction site, and taking the film forming agent and the first mixed emulsion according to the proportion to rapidly stir until the film forming agent and the first mixed emulsion are uniformly mixed, thereby obtaining the quick-drying type real stone paint suitable for the low-temperature environment.
In this embodiment, the preparation process of the modified bentonite is as follows:
s21, dissolving ethylene glycol in deionized water, adding polyacrylamide, bentonite, ethyl acrylate, polyvinyl alcohol and deionized water, and uniformly stirring to obtain a suspension emulsion;
s22, mixing bentonite and pentaerythritol, stirring, adding zircon powder, continuously stirring uniformly, drying, and crushing to obtain mixed powder;
s23, mixing the suspension emulsion obtained in the step S21 with the mixed powder obtained in the step S22, stirring uniformly, drying, crushing, and sieving to obtain the modified bentonite.
Further, when the steps S1-S4 are performed, the stirring speed is 700 and 850 revolutions per minute, and the stirring time is not less than 3min
Further, in the process of performing the stirring of steps S1-S5, ultrasonic waves are applied to assist the dispersion.
Further, the mass ratio of the 116-mesh quartz sand to the 80-mesh quartz sand is 2.6: 1 are mixed.
Example 5
The quick-drying type real stone paint suitable for the low-temperature environment comprises the following raw materials in parts by weight:
23 parts of quick-drying acrylic emulsion, 5 parts of methyl water glass, 0.4 part of quaternary ammonium salt, 2 parts of silane coupling agent, 50 parts of quartz sand, 2 parts of cellulose, 14 parts of propanedione, 9.5 parts of film-forming assistant, 1.5 parts of ammonia water, 2.5 parts of modified bentonite, 7 parts of ethylene glycol, 0.4 part of defoaming agent and 84 parts of deionized water;
the quick-drying type real stone paint suitable for the low-temperature environment comprises the following manufacturing steps:
s1, adding deionized water into the reaction kettle, starting a stirring mechanism, adding the required weight parts of cellulose into the reaction kettle successively until the cellulose is completely added, and continuing stirring until the cellulose is uniformly dispersed;
s2, keeping the rotating speed inconvenient, sequentially adding a film-forming aid, propanedione and ammonia water, and fully stirring to obtain a film-forming agent;
s3, adding deionized water into the other reaction kettle, starting a stirring mechanism, and continuously stirring the quick-drying acrylic emulsion, the methyl water glass and the quaternary ammonium salt in required parts by weight to uniformly mix the mixed solution;
s4, keeping the rotation speed inconvenient, adding ethylene glycol, a silane coupling agent and a defoaming agent into the mixed solution in the step S3 in sequence, and continuously stirring the mixed solution uniformly;
s5, increasing the rotating speed to 1.5 times of the original rotating speed, sequentially adding quartz sand and modified bentonite, and continuously stirring for 5min to obtain a first mixed emulsion;
s6, performing blade coating on an external wall surface test on a construction site, and taking the film forming agent and the first mixed emulsion according to the proportion to rapidly stir until the film forming agent and the first mixed emulsion are uniformly mixed, thereby obtaining the quick-drying type real stone paint suitable for the low-temperature environment.
In this embodiment, the preparation process of the modified bentonite is as follows:
s21, dissolving ethylene glycol in deionized water, adding polyacrylamide, bentonite, ethyl acrylate, polyvinyl alcohol and deionized water, and uniformly stirring to obtain a suspension emulsion;
s22, mixing bentonite and pentaerythritol, stirring, adding zircon powder, continuously stirring uniformly, drying, and crushing to obtain mixed powder;
s23, mixing the suspension emulsion obtained in the step S21 with the mixed powder obtained in the step S22, stirring uniformly, drying, crushing, and sieving to obtain the modified bentonite.
Further, when the steps S1-S4 are performed, the stirring speed is 700 and 850 revolutions per minute, and the stirring time is not less than 3min
Further, in the process of performing the stirring of steps S1-S5, ultrasonic waves are applied to assist the dispersion.
Further, the quartz sand is 100-mesh quartz sand and 75-mesh quartz sand according to a mass ratio of 2: 1 are mixed.
After the stone-like paint prepared in examples 1 to 5 was coated on an outdoor wall in winter, the drying time was measured as follows:
| examples | Outdoor temperature | Drying time |
| Example 1 | -10℃ | ≤7h |
| Example 2 | -5℃ | ≤6h |
| Example 3 | -1℃ | ≤5.5h |
| Example 4 | 0℃ | ≤5h |
| Example 5 | -6℃ | ≤6 |
The real stone paint prepared in the examples 1 to 5 is dried at the temperature of 70 ℃ for 6 min.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. The quick-drying type real stone paint suitable for the low-temperature environment is characterized by comprising the following raw materials in parts by weight:
15-25 parts of quick-drying acrylic emulsion, 5-15 parts of methyl water glass, 0.1-1 part of quaternary ammonium salt, 1-5 parts of silane coupling agent, 40-60 parts of quartz sand, 1-3 parts of cellulose, 10-20 parts of propanedione, 8-10 parts of film-forming assistant, 1-3 parts of ammonia water, 1-3 parts of modified bentonite, 4-8 parts of ethylene glycol, 0.1-0.5 part of defoaming agent and 70-85 parts of deionized water;
the quick-drying type real stone paint suitable for the low-temperature environment comprises the following manufacturing steps:
s1, adding deionized water into the reaction kettle, starting a stirring mechanism, adding the required weight parts of cellulose into the reaction kettle successively until the cellulose is completely added, and continuing stirring until the cellulose is uniformly dispersed;
s2, keeping the rotating speed inconvenient, sequentially adding a film-forming aid, propanedione and ammonia water, and fully stirring to obtain a film-forming agent;
s3, adding deionized water into the other reaction kettle, starting a stirring mechanism, and continuously stirring the quick-drying acrylic emulsion, the methyl water glass and the quaternary ammonium salt in required parts by weight to uniformly mix the mixed solution;
s4, keeping the rotation speed inconvenient, adding ethylene glycol, a silane coupling agent and a defoaming agent into the mixed solution in the step S3 in sequence, and continuously stirring the mixed solution uniformly;
s5, increasing the rotating speed to 1.5 times of the original rotating speed, sequentially adding quartz sand and modified bentonite, and continuously stirring for 5min to obtain a first mixed emulsion;
s6, performing blade coating on an external wall surface test on a construction site, and taking the film forming agent and the first mixed emulsion according to the proportion to rapidly stir until the film forming agent and the first mixed emulsion are uniformly mixed, thereby obtaining the quick-drying type real stone paint suitable for the low-temperature environment.
2. The quick-drying type real stone paint suitable for the low-temperature environment is characterized in that the preparation process of the modified bentonite is as follows:
s21, dissolving ethylene glycol in deionized water, adding polyacrylamide, bentonite, ethyl acrylate, polyvinyl alcohol and deionized water, and uniformly stirring to obtain a suspension emulsion;
s22, mixing bentonite and pentaerythritol, stirring, adding zircon powder, continuously stirring uniformly, drying, and crushing to obtain mixed powder;
s23, mixing the suspension emulsion obtained in the step S21 with the mixed powder obtained in the step S22, stirring uniformly, drying, crushing, and sieving to obtain the modified bentonite.
3. The method for preparing the quick-drying type real stone paint suitable for low-temperature environment according to claim 1, wherein: when the steps S1-S4 are performed, the stirring speed is 700 and 850 rpm, and the stirring time is not less than 3 min.
4. The method for preparing the quick-drying type real stone paint suitable for low-temperature environment according to claim 1, wherein: in the process of performing the stirring of steps S1-S5, ultrasonic wave is applied to assist the dispersion.
5. The method for preparing the quick-drying type real stone paint suitable for low-temperature environment according to claim 1, wherein: the quartz sand is formed by mixing 100-120-mesh quartz sand and 60-90-mesh quartz sand according to the mass ratio of (2-3) to 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011585094.5A CN112724759A (en) | 2020-12-24 | 2020-12-24 | Quick-drying type real stone paint suitable for low-temperature environment |
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| CN202011585094.5A CN112724759A (en) | 2020-12-24 | 2020-12-24 | Quick-drying type real stone paint suitable for low-temperature environment |
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| CN108264805A (en) * | 2017-12-31 | 2018-07-10 | 成都巴德富科技有限公司 | A kind of quick-drying porcelain tendre lacquer and preparation method thereof |
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