CN111253884B - Application of micron calcium carbonate in sealant - Google Patents
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives 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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/041—Grinding
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/21—Attrition-index or crushing strength of granulates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
Abstract
The invention discloses an application of micron-sized calcium carbonate in sealant, which comprises the steps of screening impurity-free calcium oxide, taking 7/9 distilled water, adding the calcium oxide into the distilled water with the temperature of a heating water bath being 65-68 ℃, and mixing and stirring for 35-40min by a high-speed stirrer at the rotating speed of 300rpm to obtain slurry; adding 2/9 distilled water into the obtained slurry, wherein the temperature of the distilled water is 13-14 ℃, mixing and stirring are carried out at the speed of 360-; heating the obtained calcium carbonate to 71-72 ℃, adding a modifier, and stirring at the stirring speed of 520-550 rpm; and grinding the calcium carbonate by a three-roll grinder. The tensile strength is effectively improved by 1.53MPa, the elongation at break is greatly improved by 120.7 percent through the control of the particle size, the tear resistance is improved by 15kN/m, the use strength is effectively improved, and the breaking strength is improved.
Description
Technical Field
The invention belongs to the technical field of sealants, and particularly relates to application of micron-sized calcium carbonate in a sealant.
Background
The surface area and the particle diameter of the existing calcium carbonate are not well held, and the control of moisture, temperature, mixing and adhesion agents in the treatment process all reach the most stable numerical values, so that the calcium carbonate has the disadvantages of deformation and cracking during later use in sealing and low use temperature.
Disclosure of Invention
The invention aims to provide application of micron-sized calcium carbonate in a sealant so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the application of the micron-sized calcium carbonate in the sealant comprises the following materials in parts by weight: 15-20 parts of calcium oxide, 18-25 parts of distilled water, 3-5 parts of modifier, 8-13 parts of hydroxyl silicone oil, 30-50 parts of methyltrimethoxysilane and 2-3 parts of catalyst;
the preparation and application steps are as follows:
the method comprises the following steps: sieving calcium oxide without impurities, taking 7/9 distilled water, adding the distilled water with the temperature of the heating water bath being 65-68 ℃, adding the calcium oxide, and mixing and stirring the materials for 35-40min by a high-speed stirrer at the rotating speed of 300rpm to obtain slurry;
step two: adding 2/9 distilled water into the slurry obtained in the step one, wherein the temperature of the distilled water is 13-14 ℃, mixing and stirring are carried out at the speed of 360-;
step three: heating the calcium carbonate obtained in the step two to 71-72 ℃, adding a modifier, and stirring at a stirring speed of 520-550rpm, wherein the catalyst is a palladium catalyst or a titanium catalyst;
step four: grinding the calcium carbonate treated in the step three by a three-roller grinding machine, collecting after grinding, performing suction filtration and material taking by a vacuum pump and a 30-mesh screen, drying the calcium carbonate by a dryer, and performing high-speed grinding treatment on the calcium carbonate by a high-speed ball mill after drying to ensure that the particle diameter of the calcium carbonate is less than 60nm and the surface area reaches 20-25m2Per gram, obtaining modified nanometer active calcium carbonate superfine powder;
step five: processing the nanometer active calcium carbonate ultrafine powder obtained in the step four by stearic acid, drying at the temperature of 115-118 ℃, performing high-speed stirring treatment on the hydroxyl silicone oil with the viscosity of 20000CP and the processed nanometer active calcium carbonate, and performing stirring treatment at the speed of 30-35rad/min for 125-130 min;
step six: grinding the calcium carbonate mixture treated in the fifth step by a three-roll grinder, adding methyltrimethoxysilane and a viscous catalyst after grinding, and stirring;
step seven: and (4) vacuumizing and stirring the mixture treated in the step six at the speed of 27-30rad/min for 70-80min, and subpackaging the mixture into PE packaging tubes for later use after stirring.
Further, the modifier is an aluminate coupling agent.
Further, the stirring treatment in the sixth step is carried out for 30-40min at the speed of 25-30 rad/min.
Further, the spraying speed of the carbon dioxide in the second step is 110-.
Further, the temperature of the stirring bin is kept at 70 ℃ during high-speed stirring in the first step.
Furthermore, when the stirring treatment is carried out in the fifth step, a coloring material or a fragrant agent is added.
Compared with the prior art, the invention has the beneficial effects that: the calcium oxide is sprayed and mixed with carbon dioxide at a stable temperature and a high-speed rotating speed, and then is subjected to multiple times of nano-grade grinding, so that the calcium carbonate and the glue fluid are more uniformly mixed, the tensile strength is effectively improved by 1.53MPa, the elongation at break is greatly improved by 120.7 percent through the control of the particle size, the tear strength is improved by 15kN/m, the use strength is effectively improved, and the breaking resistance is improved.
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 application of the micron-sized calcium carbonate in the sealant comprises the following materials in parts by weight: 15 parts of calcium oxide, 18 parts of distilled water, 3 parts of modifier, 8 parts of hydroxyl silicone oil, 30 parts of methyltrimethoxysilane and 2 parts of catalyst;
the preparation and application steps are as follows:
the method comprises the following steps: sieving calcium oxide without impurities, taking 7/9 distilled water, adding the distilled water with the temperature of the heating water bath being 65 ℃, adding the calcium oxide, and stirring the mixed materials for 35min by a high-speed stirrer at the rotating speed of 300rpm to obtain slurry;
step two: adding 2/9 distilled water into the slurry obtained in the step one, wherein the temperature of the distilled water is 13 ℃, mixing and stirring are carried out at the speed of 360mL/min, and carbon dioxide is sprayed at the rotating speed of 750rpm after the mixing and stirring are finished, so as to obtain carbonized calcium carbonate;
step three: heating the calcium carbonate obtained in the step two to 71 ℃, adding a modifier, and stirring at a stirring speed of 520rpm, wherein the catalyst is a palladium catalyst;
step four: grinding the calcium carbonate treated in the step three by a three-roller grinding machine, collecting after grinding, performing suction filtration and material taking by a vacuum pump and a 30-mesh screen, drying the calcium carbonate by a dryer, and performing high-speed grinding treatment on the calcium carbonate by a high-speed ball mill after drying to ensure that the particle diameter of the calcium carbonate is less than 60nm and the surface area reaches 20m2Per gram, obtaining modified nanometer active calcium carbonate superfine powder;
step five: processing the nanometer active calcium carbonate superfine powder obtained in the fourth step by stearic acid, drying at 115 ℃, taking hydroxyl silicone oil with viscosity of 20000CP and the processed nanometer active calcium carbonate for high-speed stirring treatment, and stirring for 125min at 30 rad/min;
step six: grinding the calcium carbonate mixture treated in the fifth step by a three-roll grinder, adding methyltrimethoxysilane and a viscous catalyst after grinding, and stirring;
step seven: and (4) vacuumizing and stirring the mixture treated in the step six at the speed of 27rad/min for 70min, and subpackaging the mixture into PE packaging tubes for later use after the stirring is finished.
Wherein the modifier is an aluminate coupling agent.
Wherein, the stirring treatment in the sixth step is carried out for 30min at the speed of 25 rad/min.
Wherein the spraying speed of the carbon dioxide in the second step is 110L/min.
Wherein the temperature of the stirring bin is kept at 70 ℃ during high-speed stirring in the first step.
Wherein, during the stirring treatment in the fifth step, a coloring material or a fragrant agent is added.
Example 2
The application of the micron-sized calcium carbonate in the sealant comprises the following materials in parts by weight: 18 parts of calcium oxide, 21 parts of distilled water, 4 parts of modifier, 10 parts of hydroxyl silicone oil, 40 parts of methyltrimethoxysilane and 2.5 parts of catalyst;
the preparation and application steps are as follows:
the method comprises the following steps: sieving calcium oxide without impurities, taking 7/9 distilled water, adding calcium oxide into the distilled water with the temperature of the heating water bath being 66 ℃, and carrying out mixing and stirring treatment for 37min by a high-speed stirrer at the rotating speed of 300rpm to obtain slurry;
step two: adding 2/9 distilled water into the slurry obtained in the step one, wherein the temperature of the distilled water is 13.5 ℃, mixing and stirring are carried out at the speed of 365mL/min, and carbon dioxide is sprayed at the rotating speed of 770rpm after the mixing and stirring are finished, so as to obtain carbonized calcium carbonate;
step three: heating the calcium carbonate obtained in the step two to 71 ℃, adding a modifier, and stirring at a stirring speed of 530rpm, wherein the catalyst is a palladium catalyst;
step four: grinding the calcium carbonate treated in the step three by a three-roller grinding machine, collecting after grinding, performing suction filtration and material taking by a vacuum pump and a 30-mesh screen, drying the calcium carbonate by a dryer, and performing high-speed grinding treatment on the calcium carbonate by a high-speed ball mill after drying to ensure that the particle diameter of the calcium carbonate is less than 60nm and the surface area reaches 23m2Per gram, obtaining modified nanometer active calcium carbonate superfine powder;
step five: processing the nanometer active calcium carbonate superfine powder obtained in the fourth step by stearic acid, drying at 117 ℃, taking hydroxyl silicone oil with viscosity of 20000CP and the processed nanometer active calcium carbonate for high-speed stirring treatment, and stirring for 127min at 32 rad/min;
step six: grinding the calcium carbonate mixture treated in the fifth step by a three-roll grinder, adding methyltrimethoxysilane and a viscous catalyst after grinding, and stirring;
step seven: and (4) vacuumizing and stirring the mixture treated in the step six at the speed of 28rad/min for 75min, and subpackaging the mixture into PE packaging tubes for later use after the stirring is finished.
Wherein the modifier is an aluminate coupling agent.
Wherein, the stirring treatment in the sixth step is carried out for 35min at the speed of 27 rad/min.
Wherein the spraying speed of the carbon dioxide in the second step is 115L/min.
Wherein the temperature of the stirring bin is kept at 70 ℃ during high-speed stirring in the first step.
Wherein, during the stirring treatment in the fifth step, a coloring material or a fragrant agent is added.
Example 3
The application of the micron-sized calcium carbonate in the sealant comprises the following materials in parts by weight: 20 parts of calcium oxide, 25 parts of distilled water, 5 parts of modifier, 13 parts of hydroxyl silicone oil, 50 parts of methyltrimethoxysilane and 3 parts of catalyst;
the preparation and application steps are as follows:
the method comprises the following steps: sieving calcium oxide without impurities, taking 7/9 distilled water, adding the calcium oxide into the distilled water with the temperature of the heating water bath being 68 ℃, and stirring the mixed materials for 40min by a high-speed stirrer at the rotating speed of 300rpm to obtain slurry;
step two: adding 2/9 distilled water into the slurry obtained in the step one, wherein the temperature of the distilled water is 14 ℃, mixing and stirring are carried out at the speed of 370mL/min, and carbon dioxide is sprayed at the rotating speed of 780rpm after the mixing and stirring are finished, so as to obtain carbonized calcium carbonate;
step three: heating the calcium carbonate obtained in the step two to 72 ℃, adding a modifier, and stirring at a stirring speed of 550rpm, wherein the catalyst is a titanium catalyst;
step four: step three isGrinding the treated calcium carbonate by a three-roller grinding machine, collecting the ground calcium carbonate, performing suction filtration on the ground calcium carbonate by a vacuum pump and a 30-mesh screen, taking the calcium carbonate, drying the calcium carbonate by a dryer, and performing high-speed grinding treatment on the calcium carbonate by a high-speed ball mill after drying to ensure that the particle diameter of the calcium carbonate is less than 60nm and the surface area reaches 25m2Per gram, obtaining modified nanometer active calcium carbonate superfine powder;
step five: processing the nanometer active calcium carbonate superfine powder obtained in the fourth step by stearic acid, drying at 118 ℃, taking hydroxyl silicone oil with viscosity of 20000CP and the processed nanometer active calcium carbonate for high-speed stirring treatment, and stirring at 35rad/min for 130 min;
step six: grinding the calcium carbonate mixture treated in the fifth step by a three-roll grinder, adding methyltrimethoxysilane and a viscous catalyst after grinding, and stirring;
step seven: and (4) vacuumizing and stirring the mixture treated in the step six at the speed of 30rad/min for 80min, and subpackaging the mixture into PE packaging tubes for later use after the stirring is finished.
Wherein the modifier is an aluminate coupling agent.
Wherein, the stirring treatment in the sixth step is carried out for 40min at the speed of 30 rad/min.
Wherein the spraying speed of the carbon dioxide in the second step is 120L/min.
Wherein the temperature of the stirring bin is kept at 70 ℃ during high-speed stirring in the first step.
Wherein, during the stirring treatment in the fifth step, a coloring material or a fragrant agent is added.
The working principle of the invention is as follows: the calcium oxide is sprayed and mixed with carbon dioxide at a stable temperature and a high-speed rotating speed, and then is subjected to multiple times of nano-grade grinding, so that the calcium carbonate and the glue fluid are more uniformly mixed, the tensile strength is effectively improved by 1.53MPa, the elongation at break is greatly improved by 120.7 percent through the control of the particle size, the tear strength is improved by 15kN/m, the use strength is effectively improved, and the breaking resistance is improved.
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 (7)
1. The application of the micron-sized calcium carbonate in the sealant is characterized by comprising the following materials in parts by weight: 15-20 parts of calcium oxide, 18-25 parts of distilled water, 3-5 parts of modifier, 8-13 parts of hydroxyl silicone oil, 30-50 parts of methyltrimethoxysilane and 2-3 parts of catalyst;
the preparation and application steps are as follows:
the method comprises the following steps: sieving calcium oxide without impurities, taking 7/9 distilled water, adding the distilled water with the temperature of the heating water bath being 65-68 ℃, adding the calcium oxide, and mixing and stirring the materials for 35-40min by a high-speed stirrer at the rotating speed of 300rpm to obtain slurry;
step two: adding 2/9 distilled water into the slurry obtained in the step one, wherein the temperature of the distilled water is 13-14 ℃, mixing and stirring are carried out at the speed of 360-;
step three: heating the calcium carbonate obtained in the step two to 71-72 ℃, adding a modifier, and stirring at a stirring speed of 520-550 rpm;
step four: grinding the calcium carbonate treated in the step three by a three-roller grinding machine, collecting after grinding, performing suction filtration and material taking by a vacuum pump and a 30-mesh screen, drying the calcium carbonate by a dryer, and performing high-speed grinding treatment on the calcium carbonate by a high-speed ball mill after drying to ensure that the particle diameter of the calcium carbonate is less than 60nm and the surface area reaches 20-25m2Per gram, obtaining modified nanometer active calcium carbonate superfine powder;
step five: processing the nanometer active calcium carbonate ultrafine powder obtained in the step four by stearic acid, drying at the temperature of 115-118 ℃, performing high-speed stirring treatment on the hydroxyl silicone oil with the viscosity of 20000CP and the processed nanometer active calcium carbonate, and performing stirring treatment at the speed of 30-35rad/min for 125-130 min;
step six: grinding the calcium carbonate mixture treated in the fifth step by a three-roll grinder, adding methyltrimethoxysilane and a viscous catalyst after grinding, and stirring;
step seven: vacuumizing and stirring the mixture processed in the step six at the speed of 27-30rad/min for 70-80min, and subpackaging the mixture into PE packaging tubes for later use after the stirring is finished;
the modifier is an aluminate coupling agent.
2. The use of micron-sized calcium carbonate in sealants according to claim 1, wherein: in the step four, the drying treatment of the calcium carbonate is carried out on the active nano calcium carbonate after the water content after drying is lower than 0.2 percent, and if the water content is higher than 0.2 percent, the drying treatment is carried out by repeatedly passing through a constant-temperature drying oven.
3. The use of micron-sized calcium carbonate in sealants according to claim 1, wherein: the catalyst is a palladium catalyst or a titanium catalyst.
4. The use of micron-sized calcium carbonate in sealants according to claim 1, wherein: and step six, stirring treatment is carried out at a speed of 25-30rad/min for 30-40 min.
5. The use of micron-sized calcium carbonate in sealants according to claim 1, wherein: the spraying speed of the carbon dioxide in the second step is 110-120L/min.
6. The use of micron-sized calcium carbonate in sealants according to claim 1, wherein: the temperature of the stirring bin is kept at 70 ℃ during high-speed stirring in the first step.
7. The use of micron-sized calcium carbonate in sealants according to claim 1, wherein: and adding a coloring material or a fragrant agent during stirring treatment in the fifth step.
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