CN113755130B - Acrylate sealant for building and preparation method thereof - Google Patents
Acrylate sealant for building and preparation method thereof Download PDFInfo
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- CN113755130B CN113755130B CN202111077253.5A CN202111077253A CN113755130B CN 113755130 B CN113755130 B CN 113755130B CN 202111077253 A CN202111077253 A CN 202111077253A CN 113755130 B CN113755130 B CN 113755130B
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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
- C09J201/00—Adhesives based on unspecified macromolecular 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
- 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
- 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
- C09J11/06—Non-macromolecular additives organic
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Abstract
The invention relates to the technical field of sealants, in particular to an acrylic ester sealant for buildings and a preparation method thereof. The preparation raw materials of the acrylate sealant for construction comprise: 85-95 parts of acrylic emulsion; 1-10 parts of modified hollow ceramic microspheres; 0-5 parts of a coupling agent; 0.2-5 parts of a film-forming assistant; 0.1-5 parts of thixotropic agent; 0.1-5 parts of other auxiliary agents; the modified hollow ceramic microspheres are obtained by modifying hollow ceramic microspheres by a modifier; the modifier includes maleic anhydride and stearic acid. According to the invention, the hollow ceramic microspheres modified by specific components are added into the acrylate sealant for construction, so that the compatibility of the hollow ceramic microspheres and the acrylate sealant is effectively improved, and the loss of mechanical properties such as elasticity and the like caused by the addition of the filler is further reduced. Meanwhile, the modified hollow ceramic microspheres cooperate with other components to further improve the anti-shrinkage performance of the acrylate sealant for buildings.
Description
Technical Field
The invention relates to the technical field of sealants, in particular to an acrylic ester sealant for buildings and a preparation method thereof.
Background
The water-based acrylate sealant has the characteristics of environmental protection, good weather resistance, good elasticity, low price and the like, and meanwhile, the structure of the acrylate has high polarity and high saturability, so that the acrylate sealant has excellent mineral oil resistance and high-temperature oxidation resistance. Based on the advantages, the acrylate material becomes one of four sealants for building structures, and compared with the traditional silicone and polysulfide sealants, the acrylate material is more in line with the relevant policy of vigorously popularizing green building materials in China.
At present, the modification of the acrylate sealant for buildings mostly focuses on the aspects of adhesiveness, durability, curing speed, stain resistance and the like, and no paper and patent are specially introduced and researched for the shrinkage resistance of the acrylate sealant for buildings.
The acting force between monomers before the acrylate sealing material is cured is Van der Waals force, the curing process of the acrylate sealing material is accompanied with the processes of dehydration and crosslinking, the acting force between the monomers after curing is changed into covalent bond force, the monomers are connected in a covalent bond form to form a stable three-dimensional network structure, the distance between molecules is changed from 0.3-0.4 nm to about 0.15nm, the distance between the monomers in the resin is reduced, and thus, the volume is shrunk during the polymerization macroscopically.
The high shrinkage problem of acrylate sealants is severe and causes undesirable consequences including: (1) When the sealant is applied to the outer wall of an assembly type building, a weak layer of the sealant is formed at the edge part of a wallboard, so that the weak layer forms a weak point under stress, and the sealant is easy to crack during displacement, thereby causing the water leakage problem; (2) When the acrylate sealant is applied to the built-in light partition board, the sealant shrinks to cause the depression of the joint of the wall surface, and the unevenness of the wall surface can be increased when the wall surface coating is coated, so that the attractiveness of a building can be influenced. Therefore, the solution of the problem of high shrinkage of the acrylate sealant is a necessary way for the popularization of the large-scale application of the acrylate sealant.
Disclosure of Invention
In view of this, the technical problem to be solved by the present invention is to provide an acrylate sealant for construction and a preparation method thereof.
The invention provides an acrylate sealant for buildings, which is prepared from the following raw materials in parts by weight:
the modified hollow ceramic microspheres are obtained by modifying hollow ceramic microspheres by a modifier;
the modifier includes maleic anhydride and stearic acid.
Preferably, the modified hollow ceramic microspheres are prepared from the following raw materials in parts by weight:
preferably, the modified hollow ceramic microspheres are prepared by the following method:
a) Mixing the hollow ceramic microspheres with absolute ethyl alcohol to obtain dispersed feed liquid;
b) And mixing the dispersion liquid, maleic anhydride and stearic acid, and reacting at 70-80 ℃ to obtain the modified hollow ceramic microspheres.
Preferably, in the step a), the mixing temperature is 70-80 ℃ and the mixing time is 10-20 min;
in step b), after the reaction, the method further comprises: washed, filtered and dried.
Preferably, the acrylic emulsion comprises at least one of a pure acrylic emulsion, a styrene-acrylic emulsion, a silicone-acrylic emulsion, a fluorocarbon emulsion, an elastic emulsion and a vinyl acetate emulsion.
Preferably, the particle size of the hollow ceramic microspheres is 20-250 μm.
Preferably, the coupling agent comprises at least one of vinyltriethoxysilane, vinyltrimethoxysilane, gamma-aminopropyltriethoxysilane, and benzyltriethoxysilane;
the film forming auxiliary agent comprises at least one of alcohol ester twelve, benzyl alcohol and propylene glycol;
the thixotropic agent comprises at least one of fumed silica, precipitated silica, organobentonite, and kaolin.
Preferably, the other auxiliary agent includes at least one of a dispersant, a preservative and a defoaming agent.
Preferably, the dispersant comprises at least one of dispersant 5027, dispersant SN-5040 and dispersant KYC 9611;
the preservative comprises isothiazolinone LXE;
the defoamer comprises 750 mineral oil.
The invention also provides a preparation method of the acrylate sealant for construction, which comprises the following steps:
a) Stirring and mixing the acrylic emulsion and the dispersing agent to obtain a first emulsion;
b) Stirring and mixing the first emulsion, the film-forming additive and the preservative to obtain a second emulsion;
c) Stirring and mixing the modified hollow ceramic microspheres and the second emulsion, and mixing the mixture with a defoaming agent to obtain a mixed feed liquid;
d) And adding the thixotropic agent into the mixed material liquid in sections, and stirring to obtain the acrylic ester sealant for the building.
The invention provides an acrylate sealant for buildings, which is prepared from the following raw materials in parts by weight: 85-95 parts of acrylic emulsion; 1-10 parts of modified hollow ceramic microspheres; 0-5 parts of a coupling agent; 0.2-5 parts of a film-forming assistant; 0.1-5 parts of thixotropic agent; 0.1-5 parts of other auxiliary agents; the modified hollow ceramic microspheres are obtained by modifying hollow ceramic microspheres by a modifier; the modifier includes maleic anhydride and stearic acid. According to the invention, the hollow ceramic microspheres modified by specific components are added into the acrylate sealant for construction, and the surface modification enables the surfaces of the hollow ceramic microspheres to be grafted with specific organic groups, so that a bridge is formed between the hollow ceramic microspheres and the acrylate sealant, thus the compatibility of the hollow ceramic microspheres and the acrylate sealant is effectively improved, and further the loss of mechanical properties such as elasticity and the like caused by the addition of the filler is reduced. Meanwhile, the modified hollow ceramic microspheres cooperate with other components to further improve the anti-shrinkage performance of the acrylate sealant for buildings.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood 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 an acrylate sealant for buildings, which is prepared from the following raw materials in parts by weight:
the modified hollow ceramic microspheres are obtained by modifying hollow ceramic microspheres by a modifier;
the modifier includes maleic anhydride and stearic acid.
The raw materials for preparing the acrylic ester sealant for the building comprise acrylic emulsion. The acrylic emulsion accounts for 85-95 parts by weight. In certain embodiments of the present invention, the acrylic emulsion is 93 parts, 91.8 parts, 90.6 parts, 89.5 parts, 88.3 parts, 87.2 parts, or 86.2 parts by weight.
In certain embodiments of the present invention, the acrylic emulsion comprises at least one of a acrylic emulsion, a styrene-acrylic emulsion, a silicone-acrylic emulsion, a fluorocarbon emulsion, an elastic emulsion, and a vinyl acetate emulsion.
In certain embodiments of the present invention, the acrylic emulsion comprises a styrene-acrylic emulsion and an elastomeric emulsion. In certain embodiments of the present invention, the weight ratio of the styrene-acrylic emulsion to the elastic emulsion is 2:8.
the raw materials for preparing the acrylate sealant for the building also comprise modified hollow ceramic microspheres. The weight portion of the modified hollow ceramic microsphere is 1-10. In certain embodiments of the present disclosure, the weight parts of the modified hollow ceramic microspheres are 1.3 parts, 2.5 parts, 3.8 parts, 5 parts, 3.7 parts, or 3.6 parts.
In the invention, the modified hollow ceramic microspheres are obtained by modifying hollow ceramic microspheres with a modifier; the modifier includes maleic anhydride and stearic acid.
In some embodiments of the present invention, the modified hollow ceramic microspheres are prepared from the following raw materials in parts by weight:
in certain embodiments of the present invention, the hollow ceramic microspheres have a particle size of 45 to 150 μm. The source of the hollow ceramic microspheres is not particularly limited, and the hollow ceramic microspheres can be hollow ceramic microspheres which are generally sold in the market.
In certain embodiments of the present invention, the part by weight of the hollow ceramic microspheres is 45 parts.
In certain embodiments of the present invention, the anhydrous ethanol is present in an amount of 50 parts by weight.
In certain embodiments of the present invention, the stearic acid is present in an amount of 3 parts by weight.
In certain embodiments of the present invention, the weight part of the maleic anhydride is 2 parts.
In certain embodiments of the present invention, the modified hollow ceramic microspheres are prepared according to the following method:
a) Mixing the hollow ceramic microspheres with absolute ethyl alcohol to obtain dispersed feed liquid;
b) And mixing the dispersion liquid, maleic anhydride and stearic acid, and reacting at 70-80 ℃ to obtain the modified hollow ceramic microspheres.
In the preparation method of the modified hollow ceramic microsphere, the raw material components and the proportion are the same as above, and are not described again.
In step a):
in certain embodiments of the invention, the mixing is carried out at a temperature of 70 to 80 ℃ for a time of 10 to 20min. In certain embodiments, the temperature of the mixing is 75 ℃ for 10min.
In step b):
in certain embodiments of the invention, the temperature of the reaction is 75 ℃.
In certain embodiments of the invention, the reaction time is 1.5 to 2.5 hours. In certain embodiments, the reaction time is 2 hours.
In certain embodiments of the present invention, after the reacting, further comprising: washed, filtered and dried.
The method of washing, filtering and drying is not particularly limited in the present invention, and washing, filtering and drying methods well known to those skilled in the art may be used.
The raw materials for preparing the acrylate sealant for the building also comprise a coupling agent. The weight portion of the coupling agent is 0-5. In certain embodiments of the present invention, the weight fraction of the coupling agent is 0 parts, 1.3 parts, 2.5 parts, or 3.7 parts.
In certain embodiments of the present invention, the coupling agent comprises at least one of vinyltriethoxysilane, vinyltrimethoxysilane, gamma-aminopropyltriethoxysilane (KH-550), and benzyltriethoxysilane.
The raw materials for preparing the acrylic ester sealant for the building also comprise a film-forming assistant. The film-forming assistant is 0.2-5 parts by weight. In certain embodiments of the present invention, the film-forming aid is present in an amount of 2.7 parts, 2.6 parts, or 2.5 parts by weight.
In certain embodiments of the present invention, the coalescent includes at least one of an alcohol ester of twelve, benzyl alcohol, and propylene glycol.
The raw materials for preparing the acrylate sealant for the building also comprise a thixotropic agent. The weight portion of the thixotropic agent is 0.1 to 5 portions. In certain embodiments of the present invention, the thixotropic agent is 1.9 parts, 1.8 parts, or 1.7 parts by weight.
In certain embodiments of the present invention, the thixotropic agent comprises at least one of fumed silica, precipitated silica, organobentonite, and kaolin.
The raw materials for preparing the acrylate sealant for the building also comprise other additives. The weight portion of the other auxiliary agents is 0.1-5. In certain embodiments, the weight portion of the additional adjuvant is 2.4 parts, 2.3 parts, or 2.2 parts.
In certain embodiments of the present invention, the other adjuvants include at least one of a dispersant, a preservative, and a defoamer.
In certain embodiments of the present invention, the dispersant comprises at least one of dispersant 5027, dispersant SN-5040, and dispersant KYC 9611.
In certain embodiments of the present invention, the dispersant is present in an amount of 1.1 parts by weight or 1.0 parts by weight.
In certain embodiments of the invention, the preservative comprises isothiazolinone LXE. In certain embodiments of the present invention, the preservative is present in an amount of 0.5 parts by weight.
In certain embodiments of the present invention, the defoamer comprises 750 mineral oil. In certain embodiments of the present invention, the defoamer is present in an amount of 0.8 parts or 0.7 parts by weight.
In certain embodiments of the present invention, the mass ratio of the dispersant, the preservative and the defoamer is 3 to 5:1 to 3:2 to 4. In certain embodiments, the dispersant, preservative, and defoamer are present in a 4: 2:3.
the invention also provides a preparation method of the acrylic ester sealant for the building, which comprises the following steps:
a) Stirring and mixing the acrylic emulsion and the dispersing agent to obtain a first emulsion;
b) Stirring and mixing the first emulsion, the film-forming additive and the preservative to obtain a second emulsion;
c) Stirring and mixing the modified hollow ceramic microspheres and the second emulsion, and then mixing the mixture with a defoaming agent to obtain a mixed material liquid;
d) And adding the thixotropic agent into the mixed material liquid in sections, and stirring to obtain the acrylate sealant for the building.
In the preparation method of the acrylate sealant for construction provided by the invention, the adopted raw material components and the proportion are the same as above, and are not repeated.
The acrylic emulsion and the dispersant are stirred and mixed to obtain the first emulsion.
In some embodiments of the invention, the rotation speed of the stirring and mixing is 500-600 r/min, and the time is 4-6 min. In certain embodiments, the rotational speed of the agitating mixing is 550r/min. In certain embodiments, the time of the stirring and mixing is 5min.
And after the first emulsion is obtained, stirring and mixing the first emulsion, the film-forming auxiliary agent and the preservative to obtain a second emulsion.
In certain embodiments of the present invention, the first emulsion, the coalescing agent, the coupling agent, and the preservative are mixed with agitation to provide a second emulsion.
In some embodiments of the invention, the rotation speed of the stirring and mixing is 500-600 r/min, and the time is 4-6 min. In certain embodiments, the rotational speed of the agitating mixing is 550r/min. In certain embodiments, the time of the stirring and mixing is 5min.
And after a second emulsion is obtained, stirring and mixing the modified hollow ceramic microspheres and the second emulsion, and mixing the mixture with a defoaming agent to obtain a mixed material liquid.
In some embodiments of the invention, the rotation speed of the stirring and mixing is 1300-1500 r/min, and the time is 10-20 min. In certain embodiments, the rotational speed of the agitating mixing is 1400r/min. In certain embodiments, the time for the agitation mixing is 10min.
In the invention, in the process of stirring and mixing the modified hollow ceramic microspheres and the second emulsion, organic groups on the modified hollow ceramic microspheres are fully contacted with the acrylate emulsion and generate certain chemical connection.
In the invention, the defoaming agent is added to eliminate bubbles in the mixed feed liquid.
And after the mixed feed liquid is obtained, adding the thixotropic agent into the mixed feed liquid in sections, and stirring to obtain the acrylic ester sealant for the building.
In some embodiments of the invention, the thixotropic agent is added to the mixed feed liquid in three stages, with the time interval between each stage being 4-6 min. In certain embodiments, the time for each interval is 4min.
In certain embodiments of the present invention, the thixotropic agent is added to the mixed liquor in stages while stirring.
In some embodiments of the invention, after the thixotropic agent is added in stages, the stirring speed is 1300-1500 r/min and the time is 8-15 min. In certain embodiments, the rotational speed of the agitation is 1400r/min. In certain embodiments, the time of stirring is 10min.
The source of the above-mentioned raw materials is not particularly limited, and the raw materials may be generally commercially available.
In order to further illustrate the present invention, the following examples are provided to describe the acrylate sealant for construction and the preparation method thereof in detail, but should not be construed as limiting the scope of the present invention.
The starting materials used in the following examples are all commercially available.
Examples 1 to 9 and comparative example 1
The grain diameter of the hollow ceramic microspheres is 45-150 mu m.
The modified hollow ceramic microspheres are prepared according to the following steps:
adding 45 parts by weight of hollow ceramic microspheres into a heatable reaction kettle, adding 50 parts by weight of absolute ethyl alcohol, and stirring at 75 ℃ for 10min to obtain a dispersion liquid;
and adding 2 parts by weight of maleic anhydride and 3 parts by weight of stearic acid into the dispersion liquid, continuously reacting for 2 hours at 75 ℃, washing, filtering and drying to obtain the modified hollow ceramic microspheres.
The acrylate sealant for the building is prepared according to the following steps:
1) Adding the styrene-acrylic emulsion and the elastic emulsion into a stirrer, adding the dispersing agent, and stirring at 550r/min for 5min to obtain a first emulsion;
2) Adding a film-forming assistant, a coupling agent and a preservative into the first emulsion, and stirring at 550r/min for 5min to obtain a second emulsion;
3) Adding the modified hollow ceramic microspheres into the second emulsion, stirring for 10min at 1400r/min, and adding a defoaming agent to remove bubbles to obtain a mixed material liquid;
4) Adding the thixotropic agent into the mixed material liquid in 3 sections, wherein the interval time of each section is 4min, and the thixotropic agent is added while stirring; after the thixotropic agent is added, stirring for 10min at 1400r/min to obtain the acrylic ester sealant for buildings.
The preparation raw materials of the acrylate sealant for construction are as follows:
the coupling agent is gamma-aminopropyl triethoxysilane (KH 550);
the dispersant is SN-5040;
the preservative is isothiazolinone LXE;
the thixotropic agent is fumed silica;
the film-forming additive is alcohol ester twelve;
the defoaming agent is 750 mineral oil.
The components and the proportion of the raw materials for preparing the acrylate sealant for the building are shown in the table 1.
TABLE 1 weight parts of components and proportions of raw materials for preparing the acrylic ester sealants for construction of examples 1 to 9 and comparative example 1
The performance test of the acrylic ester sealant for construction prepared in the examples 1 to 9 and the comparative example 1 is carried out:
the surface drying time is determined according to the fifth part of GB/T13477 'test method for building sealing materials': and (4) measuring the surface dry time. Elongation at break was determined according to GB/T13477.8-2003 section 8 of test methods for building sealants: measurement of tensile bond Properties the test was carried out by the method described in "measurement of tensile bond Properties". The tensile strength was tested according to GB/T528 determination of tensile stress strain Properties of vulcanizates or thermoplastic rubbers.
The linear shrinkage test method of the material comprises the following steps: coating a release agent (non-reactive silicone oil) in a rectangular frame die with the length multiplied by the width multiplied by the height multiplied by 100mm multiplied by 10mm multiplied by 1mm, respectively extruding the prepared acrylic ester sealant for the building into the die to be stricken flat, curing for 7 days under the standard curing condition (the temperature is 23 +/-2 ℃, and the humidity is 50 +/-5%), taking out the sealant to measure the length, and calculating the shrinkage rate according to the formula (1).
In the formula (1), the length after curing is in mm.
The results are shown in Table 2.
TABLE 2 results of measuring the performance of the acrylic sealant for construction of examples 1 to 9 and comparative example 1
The above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core idea. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The acrylic ester sealant for the building is prepared from the following raw materials in parts by weight:
the modified hollow ceramic microspheres are obtained by modifying hollow ceramic microspheres by a modifier;
the modifier comprises maleic anhydride and stearic acid;
the modified hollow ceramic microspheres are prepared by the following method:
a) Mixing the hollow ceramic microspheres with absolute ethyl alcohol to obtain dispersed feed liquid;
b) Mixing the dispersion liquid, maleic anhydride and stearic acid, and reacting at 70-80 ℃ to obtain modified hollow ceramic microspheres;
the particle size of the hollow ceramic microspheres is 20-250 mu m.
2. The acrylate sealant for buildings according to claim 1, wherein the modified hollow ceramic microspheres are prepared from the following raw materials in parts by weight:
3. the acrylate sealant for construction according to claim 1, wherein in the step a), the mixing temperature is 70-80 ℃ and the mixing time is 10-20 min;
in step b), after the reaction, the method further comprises: washed, filtered and dried.
4. The architectural acrylate sealant according to claim 1 wherein the acrylic emulsion comprises at least one of a acrylic emulsion, a styrene-acrylic emulsion, a silicone-acrylic emulsion, an elastomeric emulsion and an acrylic-vinyl emulsion.
5. The architectural acrylate sealant according to claim 1 wherein the coupling agent comprises at least one of vinyltriethoxysilane, vinyltrimethoxysilane, gamma-aminopropyltriethoxysilane and benzyltriethoxysilane;
the film forming auxiliary agent comprises at least one of alcohol ester twelve, benzyl alcohol and propylene glycol;
the thixotropic agent comprises at least one of fumed silica, precipitated silica, organobentonite, and kaolin.
6. The architectural acrylate sealant according to claim 1 wherein the other adjuvants include at least one of dispersants, preservatives and defoamers.
7. The preparation method of the acrylate sealant for the building comprises the following steps:
a) Stirring and mixing the acrylic emulsion and a dispersing agent to obtain a first emulsion;
b) Stirring and mixing the first emulsion, the film-forming additive and the preservative to obtain a second emulsion;
c) Stirring and mixing the modified hollow ceramic microspheres and the second emulsion, and mixing the mixture with a defoaming agent to obtain a mixed feed liquid;
d) And adding the thixotropic agent into the mixed material liquid in sections, and stirring to obtain the acrylic ester sealant for the building.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111077253.5A CN113755130B (en) | 2021-09-14 | 2021-09-14 | Acrylate sealant for building and preparation method thereof |
| PCT/CN2021/136044 WO2023040076A1 (en) | 2021-09-14 | 2021-12-07 | Acrylate sealant for construction and preparation method therefor |
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| CN202111077253.5A CN113755130B (en) | 2021-09-14 | 2021-09-14 | Acrylate sealant for building and preparation method thereof |
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| CN113755130B true CN113755130B (en) | 2022-11-11 |
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| CN114605942A (en) * | 2022-01-14 | 2022-06-10 | 湖北碱克新材料有限公司 | Single-component tile back adhesive with super-weather resistance and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6194064B1 (en) * | 1997-12-03 | 2001-02-27 | Dyna-Tech Adhesive, Inc. | Pressure sensitive adhesive for decorative films with removable and repositionable properties |
| US6994905B2 (en) * | 2003-06-23 | 2006-02-07 | Sunlife, Inc. | Sealant coating for stucco and method of production thereof |
| US20090078162A1 (en) * | 2006-03-17 | 2009-03-26 | Clausi Robert N | Gypsum-based Composition |
| US9169426B2 (en) * | 2012-09-25 | 2015-10-27 | United States Gypsum Company | Joint compound, wall assembly, and methods and products related thereto |
| RU2736565C2 (en) * | 2015-06-11 | 2020-11-18 | Юнайтед Стейтс Джипсэм Компани | Method of walls mounting using seam sealant |
| CN107033813B (en) * | 2017-03-28 | 2018-10-19 | 苏州正硅防水科技有限公司 | A kind of polyacrylate sealant for building and preparation method thereof |
| CN110791251B (en) * | 2019-10-30 | 2021-11-26 | 广东普赛达密封粘胶有限公司 | Acrylate modified polyurethane sealant and preparation method thereof |
| CN111574942A (en) * | 2020-07-08 | 2020-08-25 | 海南红杉科创实业有限公司 | Sealant for building caulking and preparation method thereof |
| CN112480849A (en) * | 2020-12-17 | 2021-03-12 | 宁夏黑金科技有限公司 | Adhesive for joints of building boards processed from waste stone |
| CN113214775A (en) * | 2021-04-07 | 2021-08-06 | 快思瑞科技(上海)有限公司 | Sealant composition, polyurethane sealant and preparation method of polyurethane sealant |
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