CN110272652B - Roof waterproof material - Google Patents
Roof waterproof material Download PDFInfo
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- CN110272652B CN110272652B CN201810213384.3A CN201810213384A CN110272652B CN 110272652 B CN110272652 B CN 110272652B CN 201810213384 A CN201810213384 A CN 201810213384A CN 110272652 B CN110272652 B CN 110272652B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
- C09D5/004—Reflecting paints; Signal paints
-
- 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
- C09D5/32—Radiation-absorbing paints
-
- 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
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Building Environments (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a roof waterproof material. The material consists of A, B double components, wherein the component A consists of rigid acrylic emulsion, elastic acrylic emulsion, thermochromic aqueous emulsion, waterborne epoxy resin, zinc oxide, titanium dioxide, filler, auxiliary agent and water according to a certain proportion, and the component B is a waterborne curing agent. The roof waterproof material adopts the thermochromic aqueous emulsion, so that the roof waterproof coating is white at high temperature, plays a role in reflecting and insulating heat, and is black at low temperature, thereby playing a role in absorbing heat and preserving heat. The double-component formula can improve the strength and the crack resistance of the waterproof film, improve the binding power, ensure that the waterproof film is suitable for more base materials, accelerate the drying speed of the film and shorten the construction period.
Description
Technical Field
The invention belongs to the field of waterproof materials, and particularly relates to a roof waterproof material.
Background
The roof waterproof material is an exposable waterproof material for building roofs, and mainly comprises a coiled material type and a coating type, wherein the coating type has the characteristics of being lighter and applicable to base materials with different shapes compared with coiled materials, and specifically comprises an acrylic acid system, a polyurethane system and the like, wherein the acrylic acid system has the characteristics of water-based environmental protection and good weather resistance, and simultaneously has a certain reflective heat insulation effect, but the strength of the coating is lower, polyester cloth needs to be added during construction to enhance the anti-cracking capacity, and other construction operations on the roof are not easy to perform after the waterproof construction is completed.
At present, the acrylic waterproof material for increasing the strength of the film layer is researched, for example, a two-component formula is adopted, cement accounting for more than 20% of the total proportion is added, although the strength of the waterproof layer is improved, the rigidity is greatly improved, but the flexibility of the waterproof layer is difficult to ensure. In the prior art, the heat preservation capability of the waterproof material is also improved, for example, hollow glass beads and ceramic beads are added into the waterproof material to reduce the thermal conductivity of the waterproof film layer, but solar energy cannot be reflected and absorbed at different temperatures.
In view of the above, there is an urgent need in the art to develop a waterproof material for a roof of a building, which can form a waterproof layer having both excellent rigidity strength and flexibility strength, and which has a heat insulation effect in summer and an absorption and utilization effect on solar energy in winter.
Disclosure of Invention
The invention aims to provide a waterproof material which can be used for building roofs, can form a waterproof layer with excellent rigidity strength and flexibility strength, has a heat insulation effect in summer and has a sunlight heat absorption effect in winter.
In a first aspect of the invention, an outdoor waterproof material is provided, which comprises a component A and a component B;
the component A comprises: 5-10 parts of rigid acrylic emulsion, 40-45 parts of elastic acrylic emulsion, 5-10 parts of thermochromic emulsion, 10-15 parts of waterborne epoxy resin, 4-7 parts of titanium dioxide, 1-2 parts of zinc oxide, 10-20 parts of filler, 1-5 parts of auxiliary agent and 0-10 parts of water;
the component B is a water-based curing agent;
and in the waterproof material, the component A: the mass ratio of the component B is 10: 0.5-2.0.
In another preferred embodiment, the component A comprises 1 to 10 parts by weight of water.
In another preferred example, the thermochromic aqueous emulsion is an aqueous dispersion containing thermochromic microcapsules, and the color change temperature from black to white is 10-22 ℃; preferably, the discoloration temperature is from 13 ℃ to 17 ℃.
In another preferred example, the color-changing material in the thermochromic aqueous emulsion is inorganic color-changing powder.
In another preferred embodiment, the solid content of the thermochromic aqueous emulsion is 40-60 wt%.
In another preferred embodiment, the titanium dioxide is titanium dioxide powder with the purity of more than 90 wt%.
In another preferred embodiment, the titanium dioxide is rutile titanium dioxide powder.
In another preferred example, the zinc oxide is zinc oxide powder with the purity of more than 99 wt%.
In another preferred example, the rigid acrylic emulsion is acrylic resin copolymer emulsion with the glass transition temperature of 10-25 ℃.
In another preferred example, the flexible acrylic emulsion contains acrylic ester copolymerization emulsion with the glass transition temperature of-45 ℃ to-30 ℃.
In another preferred embodiment, the aqueous epoxy resin is an emulsion of an epoxy resin dispersed in water after emulsification.
In another preferred embodiment, the filler is selected from: barium sulfate, talc, wollastonite powder, or a combination thereof.
In another preferred embodiment, the blue whiteness of the filler is greater than 75.
In another preferred embodiment, the particle size of the filler is 500-1300 meshes.
In another preferred embodiment, the auxiliary agent is selected from the following group: a dispersant, a thickener, a defoamer, a bactericide, or a combination thereof.
In another preferred example, the aqueous curing agent is a water-dispersible modified polyamine.
It is to be understood that within the scope of the present invention, the above-described features of the present invention and those specifically described below (e.g., in the examples) may be combined with each other to form new or preferred embodiments. Not to be reiterated herein, but to the extent of space.
Detailed Description
The present inventors have conducted extensive and intensive studies to develop an acrylic material having a unique formulation, which is useful for waterproofing of roofs of buildings. The waterproof layer formed by the material provided by the invention has good rigid strength and flexible strength, and does not need to be paved and pasted by polyester cloth in construction. But also can reflect sunlight at high temperature to insulate the building, and can absorb sunlight at low temperature to insulate the building. In addition, the material of the invention has high cohesive force, can be used for the surfaces of various substrates, has wide application range, is convenient to use in renovation and repair, and has the advantage of high drying speed. Based on this, the present invention has been completed.
Term(s) for
As used herein, the term "color change temperature" refers to the temperature at which one color changes to another color.
Roof waterproof material
The invention provides a roof waterproof material which has the effects of high film strength, good cohesive force, heat reflection in summer and sunlight energy absorption in winter.
The roof waterproof material is composed of A, B two components, wherein the component A is composed of rigid acrylic emulsion, elastic acrylic emulsion, thermochromic aqueous emulsion, waterborne epoxy resin, zinc oxide, titanium dioxide, filler, auxiliary agent and water, the component B is composed of waterborne curing agent, and the mass percentages of the components are as follows:
the component A comprises:
the component B comprises:
100 percent of water-based curing agent
Preferably, the rigid acrylic emulsion is a polymer emulsion which takes acrylic ester as a main raw material and has a glass transition temperature of 10-25 ℃.
Preferably, the flexible acrylic emulsion is a polymer emulsion which has a glass transition temperature of-45 ℃ to-30 ℃ and takes acrylic ester as a main raw material.
Preferably, the thermochromic aqueous emulsion is an aqueous dispersion containing thermochromic microcapsules, the solid content of the thermochromic aqueous emulsion is 40-60%, the thermochromic aqueous emulsion becomes black when the temperature is lower than 15 ℃, and the thermochromic aqueous emulsion becomes white when the temperature is higher than 15 ℃.
Preferably, the aqueous epoxy resin is an emulsion of an epoxy resin dispersed in water after emulsification.
Preferably, the zinc oxide is zinc oxide powder with purity of more than 99%.
Preferably, the titanium dioxide is titanium dioxide powder with the purity of more than 90%.
Preferably, the filler is one or more of barium sulfate, talcum powder and wollastonite powder, the blue light whiteness of the filler is greater than 75, and the fineness of the filler is between 500-1300 meshes.
Preferably, the auxiliary agent is two or more of a dispersing agent, a thickening agent, a defoaming agent and a bactericide.
Preferably, the aqueous curing agent is a water-dispersible modified polyamine.
The main advantages of the invention include:
(1) the waterproof layer formed by the material has a heat insulation effect when the outside air temperature is high, and has a sunlight absorption effect when the outside air temperature is low, so that the energy-saving effect is achieved for buildings.
(2) The material has good weather resistance, and the waterproof layer and the base material have high adhesion, so that the material has wider application range in the aspect of base material types and is convenient to refresh and repair.
(3) The waterproof layer formed by the material has high tensile strength, so that polyester cloth paving and pasting can be omitted during construction, and other construction operations can be conveniently carried out after waterproof construction.
(4) The material of the invention has high drying speed, and reduces the influence of climate change on the construction progress.
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. The experimental procedures, in which specific conditions are not noted in the following examples, are generally carried out under conventional conditions or conditions recommended by the manufacturers. Unless otherwise indicated, percentages and parts are percentages and parts by weight.
Examples
The A, B two-component roof waterproof material shown in the following table is used for preparing the roof waterproof material, wherein each component comprises the following components in percentage by weight:
rigid acrylic emulsion: for example, basf
ECO 7537X。
Elastic acrylic emulsion: such as the dow EC 1791.
Filling: such as barium sulfate (1250 mesh).
The performance test is carried out according to the standard JC/T864-2008 II type by using the above comparative examples and examples, the tensile strength test is carried out according to GB/T23445-2009, and the solar reflectance is tested according to JGT 375-2012. Before use, A, B two components are mixed uniformly in a weight ratio of 10:1, and the detection results are shown in the following tables 1 and 2:
TABLE 1 mechanical Properties test
| Index (I) | Comparative example | Example 1 | Example 2 |
| Tensile strength, Mpa | 1.87 | 3.79 | 5.23 |
| Adhesive strength, Mpa | 0.95 | 1.76 | 2.33 |
| Impermeability (0.3MPa, 30Min) | By passing | By passing | By passing |
As can be seen from the results in Table 1, the roof waterproof material of the present invention has better mechanical properties and higher bonding strength.
The bonding strength of the waterproofing material of the present invention to the contact surface is about 2 times, preferably approximately 2.5 times in the preferred embodiment, the bonding strength of the waterproofing material of the comparative example; the tensile strength of the invention is more than 2 times of that of the comparative example, and the tensile strength of the preferred example is close to 2.8 times.
TABLE 2 measurement of solar reflectance at different temperatures
| Index (I) | Comparative example | Example 1 | Example 2 |
| Solar light reflectance ratio (25 ℃ C.) | 0.87 | 0.83 | 0.87 |
| Solar light reflectance ratio (5 ℃ C.) | 0.87 | 0.18 | 0.26 |
As can be seen from table 2:
at high temperatures (25 ℃), the waterproof material of the invention exhibits good solar reflection effects. The reflectance is more than 80%, and the building can be effectively insulated.
Meanwhile, at low temperature (5 ℃), the materials of the comparative examples prevent the buildings from utilizing the solar energy; the reflection ratio of the waterproof material is less than 0.30, even 0.18, and the building using the waterproof material can effectively reduce the reflection of sunlight at low temperature to absorb the energy of the sunlight.
In conclusion, experiments prove that the waterproof material has excellent mechanical properties, particularly in the aspects of bonding strength and tensile strength; but also has outstanding performance in the aspect of energy saving (the solar heat energy is utilized in winter, and the sunlight is reflected in summer to play a role in heat insulation).
All documents referred to herein are incorporated by reference into this application as if each were individually incorporated by reference. Furthermore, it should be understood that various changes and modifications of the present invention can be made by those skilled in the art after reading the above teachings of the present invention, and these equivalents also fall within the scope of the present invention as defined by the appended claims.
Claims (10)
1. An outdoor waterproof material is characterized by comprising a component A and a component B;
the component A comprises: 5-10 parts of rigid acrylic emulsion, 40-45 parts of elastic acrylic emulsion, 5-10 parts of temperature-sensitive water color-changing emulsion, 10-15 parts of waterborne epoxy resin, 4-7 parts of titanium dioxide, 1-2 parts of zinc oxide, 10-20 parts of filler, 1-5 parts of auxiliary agent and 0-10 parts of water;
wherein the rigid acrylic emulsion is acrylic resin copolymer emulsion with the glass transition temperature of 10-25 ℃, and the elastic acrylic emulsion contains acrylic ester copolymer emulsion with the glass transition temperature of-45-30 ℃;
the thermochromic aqueous emulsion is an aqueous dispersion containing thermochromic microcapsules, and the color change temperature from black to white is 10-22 ℃;
the component B is a water-based curing agent;
and in the waterproof material, the component A: the mass ratio of the component B is 10: 0.5-2.0.
2. The material of claim 1, wherein the thermochromic aqueous emulsion is capable of changing from black to white at a color change temperature of 13-17 ℃.
3. The material of claim 1, wherein the thermochromic aqueous emulsion has a solid content of 40wt% to 60 wt%.
4. The material of claim 1, wherein the titanium dioxide is titanium dioxide powder with a purity of more than 90 wt%.
5. The material of claim 1, wherein said zinc oxide is zinc oxide powder having a purity greater than 99% by weight.
6. The material of claim 1 wherein said a component comprises 1 to 10 parts by weight of water.
7. The material of claim 1, wherein the aqueous curing agent is a water-dispersible modified polyamine.
8. The material of claim 1, wherein the aqueous epoxy resin is an emulsion of an epoxy resin emulsified and dispersed in water.
9. The material of claim 1, wherein said filler is selected from the group consisting of: barium sulfate, talc, wollastonite powder, or a combination thereof.
10. The material of claim 1, wherein the blue light whiteness of the filler is greater than 75 and/or the filler particle size is 500-1300 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213384.3A CN110272652B (en) | 2018-03-15 | 2018-03-15 | Roof waterproof material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213384.3A CN110272652B (en) | 2018-03-15 | 2018-03-15 | Roof waterproof material |
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| Publication Number | Publication Date |
|---|---|
| CN110272652A CN110272652A (en) | 2019-09-24 |
| CN110272652B true CN110272652B (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810213384.3A Active CN110272652B (en) | 2018-03-15 | 2018-03-15 | Roof waterproof material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116496668B (en) * | 2023-04-28 | 2024-04-16 | 江苏凯伦建材股份有限公司 | Polymer cement waterproof paint and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885507A (en) * | 2016-06-08 | 2016-08-24 | 张为民 | Application of thermochromic powder in decoration |
| JP2016172442A (en) * | 2015-03-17 | 2016-09-29 | 株式会社カネカ | Waterproof structure and forming method of waterproof structure |
| CN106010020A (en) * | 2016-08-03 | 2016-10-12 | 苏州匠品材料科技有限公司 | Two-component aqueous acrylate-epoxy resin hybrid coating |
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- 2018-03-15 CN CN201810213384.3A patent/CN110272652B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016172442A (en) * | 2015-03-17 | 2016-09-29 | 株式会社カネカ | Waterproof structure and forming method of waterproof structure |
| CN105885507A (en) * | 2016-06-08 | 2016-08-24 | 张为民 | Application of thermochromic powder in decoration |
| CN106010020A (en) * | 2016-08-03 | 2016-10-12 | 苏州匠品材料科技有限公司 | Two-component aqueous acrylate-epoxy resin hybrid coating |
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| CN110272652A (en) | 2019-09-24 |
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Effective date of registration: 20210609 Address after: 287 Chuangye Road, South District, Jinqiao Export Processing Zone, Pudong New Area, Shanghai 201201 Applicant after: NIPPON PAINT (CHINA) Co.,Ltd. Applicant after: Nippon coatings (Henan) Co.,Ltd. Address before: 287 Chuangye Road, South District, Jinqiao Export Processing Zone, Pudong New Area, Shanghai 201201 Applicant before: NIPPON PAINT (CHINA) Co.,Ltd. |
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