CN113683992A - Weather-resistant texture seam beautifying agent and preparation method thereof - Google Patents
Weather-resistant texture seam beautifying agent and preparation method thereof Download PDFInfo
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- CN113683992A CN113683992A CN202110943235.4A CN202110943235A CN113683992A CN 113683992 A CN113683992 A CN 113683992A CN 202110943235 A CN202110943235 A CN 202110943235A CN 113683992 A CN113683992 A CN 113683992A
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/02—Polyureas
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses a weather-resistant texture seam beautifying agent and a preparation method thereof, wherein the weather-resistant texture seam beautifying agent comprises a resin component and a curing agent component, the volume activity equivalent of the resin component and the curing agent component is 1:1-1.1, and the resin component comprises the following components in parts by weight: 30-60 parts of mixed aspartate resin, 3-10 parts of hydrophobic gas silicon, 0-1 part of leveling defoaming auxiliary agent, 3-5 parts of silane coupling agent, 10-35 parts of glass beads, 5-20 parts of hollow beads, 1-6 parts of color paste and 0-1 part of dispersing agent; the curing agent component comprises the following components in parts by weight: 30-60 parts of aliphatic isocyanate curing agent, 0-1 part of leveling defoaming assistant, 15-35 parts of glass beads, 5-20 parts of hollow beads, 1-5 parts of hydrophobic silicon and 0-1 part of dispersing agent. The invention belongs to the technical field of ceramic tile joint mixture, and particularly relates to a weather-resistant texture joint mixture which is weather-resistant, yellow-discoloration-resistant, sandy-textured and good in construction performance, wherein an asparagus polyurea scheme is adopted as a main material, and auxiliary components, texture filler glass beads, hollow beads and the like are added to prepare the two-component weather-resistant texture joint mixture.
Description
Technical Field
The invention belongs to the technical field of ceramic tile joint mixture, and particularly relates to a weather-resistant texture joint beautifying agent and a preparation method thereof.
Background
The ceramic tile crack sealer product has been developed in China for nearly 20 years, particularly in the last 5 years, the crack sealer industry has developed rapidly, and the tile-sticking crack sealer has become the standard for tile paving. Correspondingly, the seam beautifying agent product is continuously updated and upgraded, and various functional modified products appear on the market. Such as: texture type epoxy color sand seam beautifying agent, water-based epoxy seam beautifying agent with excellent environmental protection, weather-resistant type asparagus polyurea seam beautifying agent, negative oxygen ion epoxy seam beautifying agent with health concept and the like. The product meets the basic antifouling function of the gaps of the ceramic tiles, and additionally has higher environmental protection requirements and visual effect.
In fact, double-tube colored sand gluing is too heavy, and tube explosion is easy to occur. Patent CN 110317528B 'A seam beautifying agent', relates to a preparation method of weather-resistant type asparagus polyurea seam beautifying agent, and the core lies in the matching combination of asparagus resin and curing agent, and the preparation of weather-resistant type true porcelain glue; patent 201910105170.9 'a two-component water-based epoxy colored sand joint mixture and a preparation method thereof', relates to the preparation of water-based epoxy colored sand, the texture effect comes from 63 parts of added sintered glass sand, patent 108358509A 'an epoxy colored sand joint mixture and a preparation method thereof' relates to the preparation of epoxy colored sand, the texture effect comes from 25-40% of added glass beads, the density of the former can be calculated by calculating the component density to be about 1.7, the latter can be calculated to be about 1.5, and fumed silica is used as a sagging inhibitor, the density is high, the gluing is bound to be heavy, in fact, the thrust of the conventional 400ml double-tube oxygen colored sand joint mixture is usually more than 4000N, and the problem of tube explosion often occurs during gluing.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides a weather-resistant texture seam beautifying agent and a preparation method thereof. The two components of materials are respectively arranged in the conjoined double pipes, and are uniformly mixed by the static mixer and then discharged for filling joints when in use. The resin and curing agent components of the crack sealer adopt an aspartic polyurea (aspartic acid ester and aliphatic isocyanate matched) system, and the aspartic polyurea has good weather resistance and yellowing resistance, so that the finished crack sealer can have the characteristic of good color durability. The sand grain effect is achieved by matching glass beads and hollow beads with specific particle sizes, so that a good surface texture effect is achieved, and meanwhile, the phenomenon that glue is applied heavily is avoided.
The technical scheme adopted by the invention is as follows: a weather-resistant texture seam beautifying agent comprises a resin component and a curing agent component, wherein the volume activity equivalent of the resin component and the curing agent component is 1:1-1.1, and the resin component comprises the following components in parts by weight: 30-60 parts of mixed aspartate resin, 3-10 parts of hydrophobic gas silicon, 0-1 part of leveling defoaming auxiliary agent, 3-5 parts of silane coupling agent, 10-35 parts of glass beads, 5-20 parts of hollow beads, 1-6 parts of color paste and 0-1 part of dispersing agent;
the curing agent component comprises the following components in parts by weight: 30-60 parts of aliphatic isocyanate curing agent, 0-1 part of leveling defoaming assistant, 15-35 parts of glass beads, 5-20 parts of hollow beads, 1-5 parts of hydrophobic silicon and 0-1 part of dispersing agent.
The invention relates to a weather-resistant texture seam beautifying agent, which preferably comprises the following raw materials in parts by weight: the resin component comprises the following components in parts by weight: 35-55 parts of mixed aspartate resin, 3.2-9 parts of hydrophobic gas silicon, 0.2-0.9 part of leveling defoaming auxiliary agent, 3.5-4.5 parts of silane coupling agent, 20-32 parts of glass beads, 6-16 parts of hollow beads, 1.5-5.8 parts of color paste and 0-1 part of dispersing agent;
the curing agent component comprises the following components in parts by weight: 35-58 parts of aliphatic isocyanate curing agent, 0.2-0.8 part of leveling defoaming assistant, 16-34 parts of glass beads, 8-17 parts of hollow beads, 1.2-4 parts of hydrophobic gas silicon and 0-1 part of dispersing agent.
The invention relates to a weather-resistant texture seam beautifying agent, which comprises the following optimal raw materials in parts by weight: the resin component comprises the following components in parts by weight: 43.2 parts of mixed aspartate resin, 6 parts of hydrophobic gas silicon, 0.5 part of leveling defoaming auxiliary agent, 4 parts of silane coupling agent, 30.8 parts of glass beads, 10 parts of hollow beads and 5 parts of color paste;
the curing agent component comprises the following components in parts by weight: 51 parts of aliphatic isocyanate curing agent, 0.5 part of leveling defoaming assistant, 33 parts of glass beads, 12 parts of hollow beads, 3 parts of hydrophobic silicon and 0.5 part of dispersing agent.
The mixed aspartic ester resin is one or more of N, N ' - (methylenebis-4, 1-cyclohexanediyl) tetraacethyl-diaspartate, N ' - (methylenebis- (1-methyl, -4, 1-cyclohexanediyl)) tetraacethyl-diaspartate, and N, N ' - (alpha- (2-aminomethylethyl) -omega- (2-aminomethylethoxy) polyoxy (methyl-1, 2-ethylidene) diyl) tetraacethyl-diaspartate.
Further, the aliphatic isocyanate curing agent comprises HDI trimer and prepolymer P, and the curing agent component contains NCO with the mass fraction of 10-15%.
Furthermore, the mesh number of the glass beads is 180-220 meshes, the specific gravity of the hollow beads is 0.2-0.4g/cm3, and the mass fraction of the hollow beads contained in the resin component and the curing agent component is 5-20% (the mass percentage content of the hollow beads in the whole formula system is controlled to be 5-20%).
The preparation method of the weather-resistant texture seam beautifying agent comprises the following steps:
the method comprises the following steps: mixing the components of the resin component according to the parts by weight to prepare a component A: the preparation process of the component A comprises the following steps:
firstly, mixing the mixed aspartic ester resin, the leveling defoaming assistant, the silane coupling agent, the color paste and the dispersing agent in parts by weight, adding the mixture into a dispersion machine, uniformly stirring at the rotation speed of 500-;
step two: mixing the components of the curing agent component according to the parts by weight to prepare a component B: the preparation process of the component B comprises the following steps:
firstly, mixing the aliphatic isocyanate curing agent, the leveling defoaming auxiliary agent and the dispersing agent in parts by weight, adding the mixture into a dispersion machine, uniformly stirring at 1500-3000 r/min, adding the glass beads and the hollow beads in parts by weight, and dispersing for 15-20 minutes; then hydrophobic silicon is added at the rotating speed of 1500 plus materials of 2000 r/min, and dispersed for 8-10 minutes after the addition of the hydrophobic silicon, thus obtaining a component B;
step three: and mixing the component A prepared in the step one with the component B prepared in the step two to obtain the weather-resistant texture seam beautifying agent.
After adopting the structure, the invention has the following beneficial effects: the weather-resistant texture crack beautifying agent and the preparation method thereof have the advantages that the preparation process is simple, the organic volatile matter content, the stain resistance and the water resistance effect of the traditional epoxy colored sand are kept, the use requirement can be met, and meanwhile, the weather-resistant texture crack beautifying agent has good surface texture, uniform and fine surface sand texture and good decoration effect; the yellow discoloration resistance of the epoxy color sand is very excellent, the gloss and color are kept for a long time, and the epoxy color sand is different from the traditional epoxy color sand and is easy to yellow and lose gloss; the invention has good construction control performance, low density, low gluing resistance, simple construction and difficult pipe explosion; the epoxy color sand has excellent heat aging resistance, small thermal deformation and difficult shedding, is different from the traditional epoxy color sand in larger cracking and edge shedding risks, achieves the texture effect through the matching and combination of the color sand and the hollow beads, can control the density of a finished product to be 0.7-1.0, and can reduce the thrust to be below 2500N on the premise of basically consistent sagging resistance effect, thereby greatly reducing the gluing resistance and simultaneously achieving good texture effect.
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 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.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
The embodiment provides a weather-resistant texture seam beautifying agent, and the resin component comprises the following components (total 100):
the curing agent component comprises the following components by weight (total 100):
wherein: prepolymer P was prepolymerized from 7g of HDI, 33g of HMDI, 60g of poly (hydroxy-terminated isoprene glycol) adipate (molecular weight 2000, hydroxyl number 56mgKOH/g) and% NCO: 11.5.
the resin component density was 0.92g/cm3 and the curing agent component density was 0.88/cm 3.
The embodiment also provides a preparation method of the weather-resistant texture seam beautifying agent, which comprises the following steps:
the method comprises the following steps: mixing the components of the resin component according to the parts by weight to prepare a component A: the preparation process of the component A comprises the following steps:
firstly, mixing the N, N '- (methylene di-4, 1-cyclohexanediyl) tetraaspartic acid tetraethyl ester, N' - (methylene di- (1-methyl-4, 1-cyclohexanediyl)) tetraaspartic acid tetraethyl ester, a defoaming agent, a silane coupling agent, a white color paste and a dispersing agent in parts by weight, adding the mixture into a dispersion machine, uniformly stirring at the rotating speed of 500-800 r/min, adding the glass beads and the hollow beads in parts by weight, increasing the rotating speed to 500-800 r/min after the material addition is finished, dispersing for 15-20 minutes, and dispersing for 8-10 minutes after adding the fumed silica in parts by weight to obtain a component A;
step two: mixing the components of the curing agent component according to the parts by weight to prepare a component B: the preparation process of the component B comprises the following steps:
firstly, mixing the HDI trimer, the prepolymer P, the defoaming agent and the dispersing agent in parts by weight, adding the mixture into a dispersion machine, uniformly stirring at 1500-3000 r/min, adding the glass beads and the hollow beads in parts by weight, and dispersing for 15-20 minutes; adding hydrophobic fumed silica at the rotating speed of 1500-;
step three: and mixing the component A prepared in the step one with the component B prepared in the step two to obtain the weather-resistant texture seam beautifying agent.
Example 2
The embodiment aims to provide a weather-resistant texture seam beautifying agent, and the embodiment aims to provide a weather-resistant texture seam beautifying agent, wherein the resin component comprises the following components in parts by weight (total 100):
the curing agent component comprises the following components by weight (total 100):
wherein: prepolymer P was prepolymerized from 7g of HDI, 35g of HMDI, 58g of poly (hydroxy-terminated methylpropanediol adipate) (molecular weight 1000, hydroxyl number 112mgKOH/g) and% NCO: 11.8.
the resin component density was 0.92g/cm3 and the curing agent component density was 0.88/cm 3.
The embodiment also provides a preparation method of the weather-resistant texture seam beautifying agent, which comprises the following steps:
the method comprises the following steps: mixing the components of the resin component according to the parts by weight to prepare a component A: the preparation process of the component A comprises the following steps:
firstly, mixing the parts by weight of N, N '- (methylenedi-4, 1-cyclohexanediyl) tetraacetyl aspartate, N' - (alpha- (2-aminomethyl ethyl) -omega- (2-aminomethyl ethoxy) poly (methyl-1, 2-ethylidene) diyl) tetraacetyl aspartate, a defoaming agent, a silane coupling agent, titanium dioxide and a dispersing agent, adding into a machine, stirring and uniformly mixing at the rotation speed of 500-800 r/min, adding the parts by weight of glass beads and hollow beads, increasing the rotation speed to 500-800 r/min after the addition is finished, dispersing for 15-20 minutes, adding the parts by weight of gas phase silicon dioxide, dispersing for 8-10 minutes to obtain a component A;
step two: mixing the components of the curing agent component according to the parts by weight to prepare a component B: the preparation process of the component B comprises the following steps:
firstly, mixing the HDI trimer, the prepolymer P, the defoaming agent and the dispersing agent in parts by weight, adding the mixture into a dispersion machine, uniformly stirring at 1500-3000 r/min, adding the glass beads and the hollow beads in parts by weight, and dispersing for 15-20 minutes; adding hydrophobic fumed silica at the rotating speed of 1500-;
step three: and mixing the component A prepared in the step one with the component B prepared in the step two to obtain the weather-resistant texture seam beautifying agent.
The test results of the weather-resistant texture joint sealing agent obtained in the conventional epoxy color sand sample and the weather-resistant texture joint sealing agents obtained in the examples 1 and 2 are as follows:
Claims (7)
1. a weather-resistant texture seam beautifying agent is characterized in that: the resin component and the curing agent component have volume activity equivalent of 1:1-1.1, and the resin component comprises the following components by weight: 30-60 parts of mixed aspartate resin, 3-10 parts of hydrophobic gas silicon, 0-1 part of leveling defoaming auxiliary agent, 3-5 parts of silane coupling agent, 10-35 parts of glass beads, 5-20 parts of hollow beads, 1-6 parts of color paste and 0-1 part of dispersing agent;
the curing agent component comprises the following components in parts by weight: 30-60 parts of aliphatic isocyanate curing agent, 0-1 part of leveling defoaming assistant, 15-35 parts of glass beads, 5-20 parts of hollow beads, 1-5 parts of hydrophobic silicon and 0-1 part of dispersing agent.
2. The weather-resistant texture crack sealer as claimed in claim 1, wherein: the resin component comprises the following components in parts by weight: 35-55 parts of mixed aspartate resin, 3.2-9 parts of hydrophobic gas silicon, 0.2-0.9 part of leveling defoaming auxiliary agent, 3.5-4.5 parts of silane coupling agent, 20-32 parts of glass beads, 6-16 parts of hollow beads, 1.5-5.8 parts of color paste and 0-1 part of dispersing agent;
the curing agent component comprises the following components in parts by weight: 35-58 parts of aliphatic isocyanate curing agent, 0.2-0.8 part of leveling defoaming assistant, 16-34 parts of glass beads, 8-17 parts of hollow beads, 1.2-4 parts of hydrophobic gas silicon and 0-1 part of dispersing agent.
3. The weather-resistant texture crack sealer as claimed in claim 1, wherein: the resin component comprises the following components in parts by weight: 43.2 parts of mixed aspartate resin, 6 parts of hydrophobic gas silicon, 0.5 part of leveling defoaming auxiliary agent, 4 parts of silane coupling agent, 30.8 parts of glass beads, 10 parts of hollow beads and 5 parts of color paste;
the curing agent component comprises the following components in parts by weight: 51 parts of aliphatic isocyanate curing agent, 0.5 part of leveling defoaming assistant, 33 parts of glass beads, 12 parts of hollow beads, 3 parts of hydrophobic silicon and 0.5 part of dispersing agent.
4. The weather-resistant texture crack sealer as claimed in claim 1, wherein: the mixed aspartic ester resin is one or more than two of N, N ' - (methylene di-4, 1-cyclohexanediyl) tetraacethyl diaspartate, N ' - (methylene di- (1-methyl, -4, 1-cyclohexanediyl)) tetraacethyl diaspartate, and N, N ' - (alpha- (2-aminomethyl ethyl) -omega- (2-aminomethyl ethoxy) polyoxy (methyl-1, 2-ethylidene) diyl) tetraacethyl diaspartate.
5. The weather-resistant texture crack sealer as claimed in claim 1, wherein: the aliphatic isocyanate curing agent comprises HDI trimer and prepolymer P, and the mass fraction of NCO contained in the curing agent component is 10-15%.
6. The weather-resistant texture crack sealer as claimed in claim 1, wherein: the mesh number of the glass beads is 180-220 meshes, the specific gravity of the hollow beads is 0.2-0.4g/cm3, and the mass fraction of the hollow beads contained in the resin component and the curing agent component is 5-20%.
7. A preparation method of a weather-resistant texture seam beautifying agent is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: mixing the components of the resin component according to the parts by weight to prepare a component A: the preparation process of the component A comprises the following steps:
firstly, mixing the mixed aspartic ester resin, the leveling defoaming assistant, the silane coupling agent, the color paste and the dispersing agent in parts by weight, adding the mixture into a dispersion machine, uniformly stirring at the rotation speed of 500-;
step two: mixing the components of the curing agent component according to the parts by weight to prepare a component B: the preparation process of the component B comprises the following steps:
firstly, mixing the aliphatic isocyanate curing agent, the leveling defoaming auxiliary agent and the dispersing agent in parts by weight, adding the mixture into a dispersion machine, uniformly stirring at 1500-3000 r/min, adding the glass beads and the hollow beads in parts by weight, and dispersing for 15-20 minutes; then hydrophobic silicon is added at the rotating speed of 1500 plus materials of 2000 r/min, and dispersed for 8-10 minutes after the addition of the hydrophobic silicon, thus obtaining a component B;
step three: and mixing the component A prepared in the step one with the component B prepared in the step two to obtain the weather-resistant texture seam beautifying agent.
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| CN202110943235.4A CN113683992A (en) | 2021-08-17 | 2021-08-17 | Weather-resistant texture seam beautifying agent and preparation method thereof |
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| CN202110943235.4A CN113683992A (en) | 2021-08-17 | 2021-08-17 | Weather-resistant texture seam beautifying agent and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736641A (en) * | 2022-04-22 | 2022-07-12 | 深圳飞扬骏研新材料股份有限公司 | Asparagus polyurea color sand crack beautifying agent and preparation method thereof |
| CN114874688A (en) * | 2022-05-13 | 2022-08-09 | 皇氏工匠(上海)企业发展有限公司 | Hydrophobic polyurea crack sealer and preparation method thereof |
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2021
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736641A (en) * | 2022-04-22 | 2022-07-12 | 深圳飞扬骏研新材料股份有限公司 | Asparagus polyurea color sand crack beautifying agent and preparation method thereof |
| CN114736641B (en) * | 2022-04-22 | 2024-02-27 | 深圳飞扬骏研新材料股份有限公司 | Asparagus polyurea color sand joint beautifying agent and preparation method thereof |
| CN114874688A (en) * | 2022-05-13 | 2022-08-09 | 皇氏工匠(上海)企业发展有限公司 | Hydrophobic polyurea crack sealer and preparation method thereof |
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