CN112341922A - Zero-solvent high-environmental-protection-performance silane modified polymer waterproof coating and preparation method thereof - Google Patents
Zero-solvent high-environmental-protection-performance silane modified polymer waterproof coating and preparation method thereof Download PDFInfo
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- CN112341922A CN112341922A CN202011348187.6A CN202011348187A CN112341922A CN 112341922 A CN112341922 A CN 112341922A CN 202011348187 A CN202011348187 A CN 202011348187A CN 112341922 A CN112341922 A CN 112341922A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- 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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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Abstract
The invention relates to the field of waterproof coatings, in particular to a silane modified polymer waterproof coating with zero solvent and high environmental protection performance and a preparation method thereof. The waterproof coating is a silane-terminated polymer, the main chain of the waterproof coating is a soft polyether chain segment, two ends of the waterproof coating are connected with silane containing isocyanate groups, the resin structure is an international unique technology, and the reaction activity is high. The silane modified polymer waterproof coating with zero solvent and high environmental protection performance comprises the following components in parts by weight: 15-40 parts of silane modified polymer resin, 30-50 parts of calcium carbonate, 1-3 parts of a water removal agent, 1-3 parts of a light stabilizer, 1-5 parts of a silane coupling agent and 1-5 parts of other additives.
Description
Technical Field
The invention relates to the field of waterproof coatings, in particular to a silane modified polymer waterproof coating with zero solvent and high environmental protection performance and a preparation method thereof.
Background
The waterproof coating on the market at present mainly comprises polyurethane waterproof coating, acrylic waterproof coating, polymer cement (JS) waterproof coating and other products. The polyurethane waterproof coating has excellent mechanical property and good waterproof property, but has poor weather resistance, is easy to foam in construction in a high-temperature and high-humidity environment, has higher requirement on the drying degree of a base material, and may contain free isocyanate harmful to human bodies; the acrylic waterproof paint has good weather resistance, but the water resistance of a coating is poor, and the construction is difficult at low temperature; the polymer cement (JS) waterproof coating is easy to bond with a wet base layer, is convenient to construct, and has the problem of difficult construction at low temperature. With the increasing requirements of people on environmental protection, the market needs high-performance waterproof coatings with lower odor, no solvent, environmental protection and long service life.
The zero-solvent silane modified polymer waterproof coating is a novel high polymer material, takes a polymer main chain as a macromolecular polyurethane prepolymer, is formed by end capping of aminosilane, has a curing mechanism of moisture curing, reacts with external moisture to generate crosslinking, and has the comprehensive properties of organic silicon and polyurethane.
Disclosure of Invention
The invention provides a silane modified polymer waterproof coating with zero solvent and high environmental protection performance, which is a silane terminated polymer, wherein the main chain of the waterproof coating is a soft polyether chain segment, two ends of the waterproof coating are connected with silane containing isocyanate groups, the resin structure is an international unique technology, and the reaction activity is high.
In order to achieve the above technical object, a first technical solution provided by the present invention is as follows: a silane modified polymer waterproof coating with zero solvent and high environmental protection performance comprises the following components in parts by weight: 15-40 parts of silane modified polymer resin, 30-40 parts of nano calcium, 1-3 parts of a water removal agent, 1-3 parts of a light stabilizer, 1-5 parts of a silane coupling agent and 1-5 parts of other additives.
As a preferable scheme of the invention, the silane modified polymer waterproof coating with zero solvent and high environmental protection performance comprises the following components in parts by weight: 30 parts of silane modified polymer resin, 25 parts of silane modified polymer resin B, 49 parts of calcium carbonate, 1 part of water removing agent, 1 part of light stabilizer, 1.5 parts of silane coupling agent and 12.5 parts of other auxiliary agents.
For the convenience of application, the viscosity of the waterproof coating is generally controlled below 15000Pa.s, which requires the selection of silane polymer resin with lower viscosity. When the waterproof coating is prepared, a formula system has a larger adjustment space, and the formula system cannot be diluted by a plasticizer or a solvent, so that adverse factors influencing the service life, such as small molecule migration and the like, can be reduced for terminal use. The system does not contain solvent, has lower smell and is more environment-friendly.
The silane modified polymer resin has a reaction structural formula as follows:
as a further embodiment of the present invention, the calcium carbonate has a particle size of 2 um.
As a further scheme of the invention, the water removal agent is V171/watt XL10 in Jianghan chemical industry.
In a further embodiment of the invention, the light stabilizer is in particular basf B75.
As a further scheme of the invention, the silane coupling agent is Jianghan chemical AP 1231.
As a further aspect of the present invention, the other auxiliary agents include: white carbon black H2000 and/or aluminum hydroxide Martin OL 104.
The silane modified polymer waterproof coating disclosed by the invention is a coating which takes silane modified polymer resin as a main material, is added with auxiliaries such as nano calcium, a cross-linking agent and a stabilizing agent, and is reacted with moisture in the air to form an integral coating with a silicon-oxygen-silicon three-dimensional cross-linked structure.
The invention also provides a preparation method of the zero-solvent high-environmental-protection-performance silane modified polymer waterproof coating, which comprises the following steps:
adding silane modified polymer resin into a closed reaction kettle, starting stirring, and rotating the stirrer at a speed of 300 revolutions per minute; adding water removing agent and light stabilizer, stirring for 5min, adjusting the rotation speed of the stirrer to 600 r/min, sequentially adding fumed silica and aluminum hydroxide, dispersing for 20 min, stirring at constant speed, adding superfine calcium carbonate, and dispersing for 30 min. After the dispersion is uniform, the rotating speed is maintained at 600 revolutions per minute, the silane coupling agent is slowly added, the stirring is stopped for 5 minutes, and the defoaming is carried out for 10 minutes under the vacuum pressure state of-0.09 to-0.1 MPa, so as to prepare the zero-solvent silane-terminated polymer waterproof coating.
The preparation method has unique production process, adopts a cold production process, and does not need heating dehydration in the production process; the solution with low viscosity is controlled in the production process, and the water removing agent is added, so that the product can be produced without an additional heating and water removing process. The product stability and the production efficiency are not influenced by the complex process.
The waterproof coating prepared by the method has the advantages of excellent technical performance, fast product curing, no need of adding organic tin catalyst and zero solvent, low VOC and long storage period.
The mechanical properties of the zero-solvent silane modified polymer waterproof coating prepared by the invention are compared with the common single-component polyurethane waterproof coating and polymer cement (JS) waterproof coating on the market, wherein the tensile property is tested according to chapter 9 in GB/T16777-2008 'test method for building waterproof coating'; the solid content is tested according to chapter 5 in GB/T16777-2008 'test method for waterproof coating for building'; the water absorption is tested according to the 6.15 in GB/T19250-2013 polyurethane waterproof paint; the weather resistance is tested according to 9.2.6 in GB/T16777-2008 'test method for waterproof coating for buildings'; the adhesive strength performance is tested according to method A in GB/T16777-2008 'test method for waterproof coating for building' 7.1.
The results show that: the zero-solvent silane modified polymer waterproof coating still keeps low viscosity level under the condition of no solvent, and can bring great convenience to construction. In the absence of organometallic catalysts, rapid cure is still possible. The physical properties of the coating are superior to those of polymer cement (JS) waterproof coatings; the tensile strength is close to that of the single-component polyurethane waterproof coating, the tear strength is weak slightly, and in actual application, if higher tear strength is required, polyester type non-woven fabric can be added for reinforcement. But it is excellent in adhesive strength, especially in the application to wet substrates. In addition, as the main chain of the polymer resin does not contain benzene rings and organic silicon components are introduced, the weather resistance of the silane modified polymer waterproof coating is greatly improved with the assistance of the aging-resistant auxiliary agent besides excellent water absorption performance.
In conclusion, the zero-solvent silane modified polymer waterproof coating prepared by the invention is prepared by adding various fillers and additives on the basis of silane modified polymer resin. The waterproof coating has no solvent, does not add organic metal catalyst, has the mechanical property of a coating film close to that of the conventional polyurethane waterproof coating, has good weather resistance, environmental protection and construction performance, and has strong adaptability to base. The coating has a good application prospect.
Compared with the prior art, the invention has the following advantages:
the waterproof coating prepared by the invention has high bonding strength and is suitable for bonding a wet base surface and various complex base materials; has excellent water resistance and corrosion resistance.
The waterproof coating prepared by the invention does not need prime coat, can be constructed by a coating roller, a brush or an airless spray gun, and only needs one-step coating; the environment is protected, the isocyanate temperature is avoided, and the surface drying speed is high after construction; the single component is used after the cover is opened, so that the construction is easy, and the operation is simple and convenient; green and environmental protection without pollution.
The preparation method has unique production process, adopts a cold production process, and does not need heating dehydration in the production process; the solution with low viscosity is controlled in the production process, and the water removing agent is added, so that the product can be produced without an additional heating and water removing process. The product stability and the production efficiency are not influenced by the complex process. The waterproof coating prepared by the method has the advantages of excellent technical performance, fast product curing, no need of adding organic tin catalyst and zero solvent, low VOC and long storage period.
Detailed Description
The present invention is further illustrated by the following specific embodiments. The following examples are only some embodiments of the present invention, and not all examples. 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 scope of the present invention.
Example 1
Adding silane modified polymer resin into a closed reaction kettle, starting stirring, and rotating the stirrer at a speed of 300 revolutions per minute; adding water removing agent and light stabilizer, stirring for 5min, adjusting the rotation speed of the stirrer to 600 r/min, sequentially adding fumed silica and aluminum hydroxide, dispersing for 20 min, stirring at constant speed, adding superfine calcium carbonate, and dispersing for 30 min. After the dispersion is uniform, the rotating speed is maintained at 600 revolutions per minute, the silane coupling agent is slowly added, the stirring is stopped for 5 minutes, and the defoaming is carried out for 10 minutes under the vacuum pressure state of-0.09 to-0.1 MPa, so as to prepare the zero-solvent silane-terminated polymer waterproof coating.
The preparation method of the silane modified polymer waterproof coating with zero solvent and high environmental protection performance comprises the following steps: 35 parts of silane modified polymer resin, 49 parts of calcium carbonate, 1 part of water removal agent, 1 part of light stabilizer, 1.5 parts of silane coupling agent and 12.5 parts of other auxiliary agents.
Example 2
Adding silane modified polymer resin into a closed reaction kettle, starting stirring, and rotating the stirrer at a speed of 300 revolutions per minute; adding water removing agent and light stabilizer, stirring for 5min, adjusting the rotation speed of the stirrer to 600 r/min, sequentially adding fumed silica and aluminum hydroxide, dispersing for 20 min, stirring at constant speed, adding superfine calcium carbonate, and dispersing for 30 min. After the dispersion is uniform, the rotating speed is maintained at 600 revolutions per minute, the silane coupling agent is slowly added, the stirring is stopped for 5 minutes, and the defoaming is carried out for 10 minutes under the vacuum pressure state of-0.09 to-0.1 MPa, so as to prepare the zero-solvent silane-terminated polymer waterproof coating.
The preparation method of the silane modified polymer waterproof coating with zero solvent and high environmental protection performance comprises the following steps: 35 parts of silane modified polymer resin, 30 parts of nano calcium, 3 parts of a water removing agent, 1 part of a light stabilizer, 5 parts of a silane coupling agent and 1 part of other auxiliary agents.
Example 3
Adding silane modified polymer resin into a closed reaction kettle, starting stirring, and rotating the stirrer at a speed of 300 revolutions per minute; adding water removing agent and light stabilizer, stirring for 5min, adjusting the rotation speed of the stirrer to 600 r/min, sequentially adding fumed silica and aluminum hydroxide, dispersing for 20 min, stirring at constant speed, adding superfine calcium carbonate, and dispersing for 30 min. After the dispersion is uniform, the rotating speed is maintained at 600 revolutions per minute, the silane coupling agent is slowly added, the stirring is stopped for 5 minutes, and the defoaming is carried out for 10 minutes under the vacuum pressure state of-0.09 to-0.1 MPa, so as to prepare the zero-solvent silane-terminated polymer waterproof coating.
The preparation method of the silane modified polymer waterproof coating with zero solvent and high environmental protection performance comprises the following steps: 20 parts of silane modified polymer resin, 40 parts of nano calcium, 1 part of water removal agent, 3 parts of light stabilizer, 1 part of silane coupling agent and 5 parts of other auxiliary agents.
Experimental example 1 mechanical Property test
The tensile property of the zero-solvent silane modified polymer waterproof paint is tested according to GB/T16777-2008 & lttest method for building waterproof paint & gt, chapter 9: the stretching speed is 500mm/min, and the coating maintenance and detection environment are carried out at the temperature of 23 +/-2 ℃ and the relative humidity (50 +/-10)%.
The solid content was tested according to GB/T16777-2008, test method for waterproof building coatings, chapter 5.
The water absorption was tested according to GB/T19250-2013 polyurethane waterproofing paint, 6.15.
The weather resistance was tested according to GB/T16777-2008 "test method for waterproof coatings for buildings", 9.2.6.
The adhesive strength performance is tested according to method A in GB/T16777-2008 'test method for waterproof coating for building' 7.1.
Comparison of mechanical Properties
We selected a commercially available one-component polyurethane waterproof coating, polymer cement (JS) waterproof coating, and the silane-modified polymer waterproof coating obtained in example 1 of the present invention for performance comparison, and the results are shown in table 1:
TABLE 1 comparison of the properties of different water-repellent coatings
As can be seen from Table 1, the viscosity of the zero-solvent silane modified polymer waterproof coating still keeps a low level under the condition of no solvent, and great convenience can be brought to construction. It can also be seen from table 1 that rapid curing is still possible without organometallic catalysts. The physical properties of the coating are superior to those of polymer cement (JS) waterproof coatings; the tensile strength is close to that of the single-component polyurethane waterproof coating, the tear strength is weak slightly, and in actual application, if higher tear strength is required, polyester type non-woven fabric can be added for reinforcement. But it is excellent in adhesive strength, especially in the application to wet substrates. In addition, as the main chain of the polymer resin does not contain benzene rings and organic silicon components are introduced, the weather resistance of the silane modified polymer waterproof coating is greatly improved with the assistance of the aging-resistant auxiliary agent besides excellent water absorption performance.
In conclusion, the zero-solvent silane modified polymer waterproof coating prepared by the invention is prepared by adding various fillers and additives on the basis of silane modified polymer resin. The waterproof coating has no solvent, does not add organic metal catalyst, has the mechanical property of a coating film close to that of the conventional polyurethane waterproof coating, has good weather resistance, environmental protection and construction performance, and has strong adaptability to base. The coating has a good application prospect.
Claims (10)
1. A silane modified polymer waterproof coating with zero solvent and high environmental protection performance is characterized by comprising the following components in parts by weight: 15-40 parts of silane modified polymer resin, 30-40 parts of nano calcium, 1-3 parts of a water removal agent, 1-3 parts of a light stabilizer, 1-5 parts of a silane coupling agent and 1-5 parts of other additives.
2. The silane modified polymer waterproof coating with zero solvent and high environmental protection performance as claimed in claim 1, is characterized by comprising the following components in parts by weight: 35 parts of silane modified polymer resin, 49 parts of calcium carbonate, 1 part of water removal agent, 1 part of light stabilizer, 1.5 parts of silane coupling agent and 12.5 parts of other auxiliary agents.
3. The silane modified polymer waterproof paint with zero solvent and high environmental protection performance as claimed in claim 1, wherein the structural formula of the silane modified polymer resin is as follows:
4. the zero-solvent high-environmental-protection-performance silane-modified polymer waterproof coating material of claim 1, wherein the particle size of the calcium carbonate is 2 um.
5. The silane modified polymer waterproof coating with zero solvent and high environmental protection performance as claimed in claim 1, wherein the water scavenger is Jianghan chemical V171/Wake XL 10.
6. The zero-solvent high-environmental-protection-performance silane-modified polymer waterproof coating material as claimed in claim 1, wherein the light stabilizer is Baschiff B75.
7. The silane modified polymer waterproof coating with zero solvent and high environmental protection performance as claimed in claim 1, wherein the silane coupling agent is Jianghan chemical AP 1231.
8. The zero-solvent high-environmental-protection-performance silane-modified polymer waterproof coating material of claim 1, wherein the other auxiliary agents comprise: white carbon black H2000 and/or aluminum hydroxide Martin OL 104.
9. A method for preparing the silane modified polymer waterproof coating with high environmental protection performance and no solvent according to any one of claims 1 to 8, which is characterized by comprising the following steps:
adding silane modified polymer resin into a closed reaction kettle, starting stirring, and rotating the stirrer at a speed of 300 revolutions per minute; adding a water removing agent and a light stabilizer, stirring for 5min, regulating the rotating speed of a stirrer to 600 revolutions/min, sequentially adding the fumed silica and the aluminum hydroxide, dispersing for 20 min at a constant stirring speed, adding the ultrafine calcium carbonate, and dispersing for 30 min; after the dispersion is uniform, the rotating speed is maintained at 600 revolutions per minute, the silane coupling agent is slowly added, the stirring is stopped for 5 minutes, and the defoaming is carried out under the vacuum pressure state, so as to prepare the zero-solvent silane-terminated polymer waterproof coating.
10. The preparation method of the silane modified polymer waterproof coating with zero solvent and high environmental protection performance as claimed in claim 9, wherein the vacuum defoaming comprises: defoaming for 10min under the vacuum pressure state of-0.09 to-0.1 MPa.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114231144A (en) * | 2021-12-24 | 2022-03-25 | 深圳市兆新能源股份有限公司 | Aerosol type siloxane modified waterproof leakage repairing material and preparation method thereof |
| CN114276742A (en) * | 2021-12-24 | 2022-04-05 | 四川省威盾匠心建设有限公司 | Novel high-adhesion, high-thixotropy and environment-friendly silane modified polymer waterproof paint and preparation method thereof |
| CN114736591A (en) * | 2022-04-11 | 2022-07-12 | 杭州之江有机硅化工有限公司 | Solvent-free base coat for assembly type building sealant, preparation method and application |
| CN115093779A (en) * | 2022-06-24 | 2022-09-23 | 广州集泰化工股份有限公司 | Solvent-free transparent waterproof coating and preparation method thereof |
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| US20130165556A1 (en) * | 2011-12-22 | 2013-06-27 | Seung-Man Noh | Highly scratch resistant one-part clear coating composition comprising silane-modified blocked isocyanate for cars |
| CN111978850A (en) * | 2020-07-22 | 2020-11-24 | 上海三棵树防水技术有限公司 | Silane modified waterproof coating and preparation method thereof |
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- 2020-11-26 CN CN202011348187.6A patent/CN112341922A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130165556A1 (en) * | 2011-12-22 | 2013-06-27 | Seung-Man Noh | Highly scratch resistant one-part clear coating composition comprising silane-modified blocked isocyanate for cars |
| CN111978850A (en) * | 2020-07-22 | 2020-11-24 | 上海三棵树防水技术有限公司 | Silane modified waterproof coating and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231144A (en) * | 2021-12-24 | 2022-03-25 | 深圳市兆新能源股份有限公司 | Aerosol type siloxane modified waterproof leakage repairing material and preparation method thereof |
| CN114276742A (en) * | 2021-12-24 | 2022-04-05 | 四川省威盾匠心建设有限公司 | Novel high-adhesion, high-thixotropy and environment-friendly silane modified polymer waterproof paint and preparation method thereof |
| CN114736591A (en) * | 2022-04-11 | 2022-07-12 | 杭州之江有机硅化工有限公司 | Solvent-free base coat for assembly type building sealant, preparation method and application |
| CN115093779A (en) * | 2022-06-24 | 2022-09-23 | 广州集泰化工股份有限公司 | Solvent-free transparent waterproof coating and preparation method thereof |
| CN115093779B (en) * | 2022-06-24 | 2023-08-15 | 广州集泰化工股份有限公司 | Solvent-free transparent waterproof coating and preparation method thereof |
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