CN112358775A - Water-based waterproof coating and preparation method thereof - Google Patents
Water-based waterproof coating and preparation method thereof Download PDFInfo
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- CN112358775A CN112358775A CN202011127880.0A CN202011127880A CN112358775A CN 112358775 A CN112358775 A CN 112358775A CN 202011127880 A CN202011127880 A CN 202011127880A CN 112358775 A CN112358775 A CN 112358775A
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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
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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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- 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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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a water-based waterproof coating and a preparation method thereof, and relates to the technical field of coatings. The water-based waterproof coating comprises the following components in percentage by mass: 15-25.5% of acrylic emulsion, 8-10% of organic silicon rubber emulsion, 0.1-0.5% of initiator, 1.5-2.8% of film-forming agent, 0.8-1.8% of film-forming assistant, 0.1-0.9% of emulsifier, 0.05-0.3% of preservative, 0.1-0.55% of silane coupling agent and 21.5-49.8% of filler; the filler is a compound of calcium carbonate and titanium dioxide. The water-based waterproof coating is environment-friendly and pollution-free, has good mechanical property, ageing resistance and antibacterial property, and is suitable for industrial production and application.
Description
Technical Field
The invention relates to the technical field of coatings, and particularly relates to a water-based waterproof coating and a preparation method thereof.
Background
The existing coatings on the market are mainly solvent-based coatings, and the solvent-based coatings contain a large amount of organic volatile matters, so that the coatings cause great harm to human bodies. In order to reduce the environmental pollution and the damage to human body caused by the coating, the water-based waterproof coating comes along, but the acid and alkali resistance, aging resistance, flexibility and elasticity of the water-based waterproof coating still have certain defects, and further improvement is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the water-based waterproof coating with good elasticity, flexibility, ultraviolet resistance, fatigue resistance and aging resistance and the preparation method thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the water-based waterproof coating comprises the following components in percentage by mass: 15-25.5% of acrylic emulsion, 8-10% of organosilicon modified emulsion, 0.1-0.5% of initiator, 1.5-2.8% of film-forming agent, 0.8-1.8% of film-forming assistant, 0.1-0.9% of emulsifier, 0.05-0.3% of preservative, 0.1-0.55% of silane coupling agent and 21.5-49.8% of filler.
Preferably, the filler is at least one of calcium carbonate, titanium dioxide, barium sulfate, talcum powder, ceramic micro powder and calcined kaolin.
Preferably, the water-based waterproof coating comprises the following components in percentage by mass: comprises the following components in percentage by mass: 18-23% of acrylic emulsion, 8.7-9.5% of organosilicon modified emulsion, 0.2-0.4% of initiator, 2.0-2.5% of film-forming agent, 1.0-1.5% of film-forming assistant, 0.3-0.6% of emulsifier, 0.1-0.2% of preservative, 0.2-0.4% of silane coupling agent and 30-40% of filler; the filler is a compound of calcium carbonate and titanium dioxide.
Preferably, the water-based waterproof coating comprises the following components in percentage by mass: 20% of acrylic emulsion, 9% of organic silicon modified emulsion, 0.3% of initiator, 2.3% of film-forming agent, 1.2% of film-forming auxiliary agent, 0.45% of emulsifier, 0.15% of preservative, 0.3% of silane coupling agent and 35% of filler.
Preferably, the initiator is potassium persulfate, the film forming agent is dibutyl phthalate, the film forming aid comprises at least one of 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, cellulose and glycol, the emulsifier is fatty alcohol-polyoxyethylene ether, the preservative is isothiazolinone, the silane coupling agent is 3-aminopropyltriethoxysilane, and the filler is calcium carbonate and titanium dioxide.
Preferably, the mass fraction of the calcium carbonate in the filler accounts for 20-45% of the coating, and the mass fraction of the titanium dioxide in the filler accounts for 1.5-4.8% of the coating.
Preferably, the water-based waterproof coating further comprises the following components in percentage by mass: 0.1 to 0.4 percent of wetting agent, 0.05 to 0.25 percent of polyether modified organic silicon defoaming agent, 0.05 to 0.35 percent of polyether modified organic silicon flatting agent and 0.05 to 0.25 percent of antioxidant.
Preferably, the water-based waterproof coating further comprises the following components in percentage by mass: 0.2 to 0.3 percent of wetting agent, 0.1 to 0.2 percent of polyether modified organic silicon defoaming agent, 0.1 to 0.3 percent of polyether modified organic silicon flatting agent and 0.1 to 0.2 percent of antioxidant.
Preferably, the water-based waterproof coating further comprises the following components in percentage by mass: 0.25 percent of wetting agent, 0.15 percent of polyether modified organic silicon defoaming agent, 0.2 percent of polyether modified organic silicon flatting agent and 0.15 percent of antioxidant.
Besides, a proper amount of coloring agent, such as chromium green and the like, can be added into the coating; at least one of nano rectorite powder, potassium hexacatelate whisker and nickel hercynite can be added according to the heat insulation requirement; alternatively, zinc oxide and potassium tripolyphosphate are added to improve the tensile strength, stain resistance and reduce water absorption of the waterproof coating. .
Meanwhile, the invention also discloses a preparation method of the water-based waterproof coating, which comprises the following steps:
(1) mixing acrylic emulsion and water in proportion, stirring, adding organic silicon rubber emulsion and emulsifier, and stirring to obtain a mixed solution A;
(2) adding a silane coupling agent and an initiator into the mixed solution A, and stirring to obtain a mixed solution B;
(3) adding a film forming agent, a film forming aid and a preservative into the mixed solution B, and stirring to obtain a mixed solution C;
(4) and adding a wetting agent, a polyether modified organic silicon defoaming agent, a polyether modified organic silicon flatting agent and an antioxidant into the mixed solution C, uniformly stirring, adding a filler, and continuously stirring to obtain the water-based waterproof coating.
Compared with the prior art, the invention has the beneficial effects that: the invention discloses a water-based waterproof coating which is low in organic volatile matter content, healthy to human bodies, green and environment-friendly; the water-based waterproof coating has good storage stability, good acid and alkali resistance and long-acting bacteriostasis; in addition, the water-based waterproof coating has high elasticity and still keeps good elasticity at low temperature; and has good air permeability and breathing effect, and can ensure that the moisture of the base layer can be smoothly discharged without bulging.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples.
Examples 1 to 9
The preparation raw materials of 9 examples of the water-based waterproof coating are shown in table 1.
The preparation method of the water-based waterproof coating of the embodiment 1-9 comprises the following steps:
(1) mixing acrylic emulsion and water in proportion, stirring, adding organic silicon rubber emulsion and emulsifier, and stirring to obtain a mixed solution A;
(2) adding a silane coupling agent and an initiator into the mixed solution A, and stirring to obtain a mixed solution B;
(3) adding a film forming agent, a film forming aid and a preservative into the mixed solution B, and stirring to obtain a mixed solution C;
(4) adding a wetting agent, a polyether modified organic silicon defoaming agent, a polyether modified organic silicon flatting agent and an antioxidant into the mixed solution C, stirring uniformly, adding a filler, and continuously stirring to obtain the water-based waterproof coating
Comparative examples 1 to 5
Comparative examples 1 to 5 are also water-based waterproof coatings, and the compositions thereof are shown in Table 2. The preparation method is the same as that of examples 1 to 9.
TABLE 1 preparation of raw materials (mass%) of examples 1 to 9
TABLE 2 preparative materials for comparative examples 1 to 5 (mass%)
Performance testing
Mechanical properties were tested according to ASTM D412, air permeability was tested according to ASTM D1653, flame retardancy was tested according to ASTM E108, salt spray test was carried out according to ASTM B117, adhesion was tested according to GB1720-89(79), and stain resistance was tested according to GB/T9780-. The test results of examples 1 to 9 are shown in Table 3, and the test results of comparative examples 1 to 5 are shown in Table 4.
TABLE 3 results of Performance test of examples 1 to 9
TABLE 4 Performance test results for comparative examples 1-5
As can be seen from tables 3 and 4, examples 1-9 have significantly higher elongation at break and tensile strength than comparative examples 1-5, indicating that the coatings prepared with the formulations disclosed herein have better mechanical properties during use. In addition, after 10 days of salt spray experiments, the coating films obtained by brushing in the examples 1 to 9 are not peeled off and have no change, but the phenomena of foaming and peeling-off respectively appear in the comparative examples 1 to 5, which shows that the coating films prepared by the coating disclosed by the invention have better ageing resistance.
The low temperature flexibility test was performed on examples 1-9, which did not crack when bent 180 degrees at-26 degrees, while comparative examples 1-5 did crack when not bent 180 degrees. The stain resistance tests of the examples 1-9 and the comparative examples 1-5 are carried out by referring to the method of GB/T9780-2013, and the test results show that the examples 1-9 and the comparative examples 2-5 are free from pollution and have no perceptible color difference, while the comparative example 1 has obvious color difference. The test results show that when the coating prepared by the formula disclosed by the invention is brushed, a coating film has excellent low-temperature flexibility and stain resistance.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The water-based waterproof coating is characterized by comprising the following components in percentage by mass: 15-25.5% of acrylic emulsion, 8-10% of organic silicon rubber emulsion, 0.1-0.5% of initiator, 1.5-2.8% of film-forming agent, 0.8-1.8% of film-forming assistant, 0.1-0.9% of emulsifier, 0.05-0.3% of preservative, 0.1-0.55% of silane coupling agent and 21.5-49.8% of filler; the filler is a compound of calcium carbonate and titanium dioxide.
2. The water-based waterproof coating material according to claim 1, comprising the following components in percentage by mass: 18-23% of acrylic emulsion, 8.7-9.5% of organic silicon rubber emulsion, 0.2-0.4% of initiator, 2.0-2.5% of film-forming agent, 1.0-1.5% of film-forming assistant, 0.3-0.6% of emulsifier, 0.1-0.2% of preservative, 0.2-0.4% of silane coupling agent and 30-40% of filler.
3. The water-based waterproof coating material according to claim 2, comprising the following components in percentage by mass: 20% of acrylic emulsion, 9% of organic silicon rubber emulsion, 0.3% of initiator, 2.3% of film-forming agent, 1.2% of film-forming auxiliary agent, 0.45% of emulsifier, 0.15% of preservative, 0.3% of silane coupling agent and 35% of filler.
4. The aqueous waterproof coating material according to any one of claims 1 to 3, wherein the initiator is potassium persulfate, the film-forming agent is dibutyl phthalate, the film-forming auxiliary agent comprises at least one of 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, cellulose and ethylene glycol, the emulsifier is fatty alcohol polyoxyethylene ether, the preservative is isothiazolinone, and the silane coupling agent is 3-aminopropyltriethoxysilane.
5. The aqueous waterproof coating material according to claim 1, wherein the mass fraction of calcium carbonate in the filler in the coating material is 20 to 45%, and the mass fraction of titanium dioxide in the filler in the coating material is 1.5 to 4.8%.
6. The water-based waterproof coating material according to any one of claims 1 to 3, further comprising the following components in percentage by mass: 0.1 to 0.4 percent of wetting agent, 0.05 to 0.25 percent of polyether modified organic silicon defoaming agent, 0.05 to 0.35 percent of polyether modified organic silicon flatting agent and 0.05 to 0.25 percent of antioxidant.
7. The water-based waterproof coating material of claim 6, further comprising the following components in percentage by mass: 0.2 to 0.3 percent of wetting agent, 0.1 to 0.2 percent of polyether modified organic silicon defoaming agent, 0.1 to 0.3 percent of polyether modified organic silicon flatting agent and 0.1 to 0.2 percent of antioxidant.
8. The water-based waterproof coating material according to claim 7, further comprising the following components in percentage by mass: 0.25 percent of wetting agent, 0.15 percent of polyether modified organic silicon defoaming agent, 0.2 percent of polyether modified organic silicon flatting agent and 0.15 percent of antioxidant.
9. A method for preparing the water-based waterproof coating material as claimed in any one of claims 6 to 8, characterized by comprising the steps of:
(1) mixing acrylic emulsion and water in proportion, stirring, adding organic silicon rubber emulsion and emulsifier, and stirring to obtain a mixed solution A;
(2) adding a silane coupling agent and an initiator into the mixed solution A, and stirring to obtain a mixed solution B;
(3) adding a film forming agent, a film forming aid and a preservative into the mixed solution B, and stirring to obtain a mixed solution C;
(4) and adding a wetting agent, a polyether modified organic silicon defoaming agent, a polyether modified organic silicon flatting agent and an antioxidant into the mixed solution C, uniformly stirring, adding a filler, and continuously stirring to obtain the water-based waterproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011127880.0A CN112358775A (en) | 2020-10-20 | 2020-10-20 | Water-based waterproof coating and preparation method thereof |
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| CN202011127880.0A CN112358775A (en) | 2020-10-20 | 2020-10-20 | Water-based waterproof coating and preparation method thereof |
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| CN202011127880.0A Pending CN112358775A (en) | 2020-10-20 | 2020-10-20 | Water-based waterproof coating and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773918A (en) * | 2022-04-10 | 2022-07-22 | 交科院公路工程科技(北京)有限公司 | Colored anti-freezing coating |
| CN117285879A (en) * | 2023-11-24 | 2023-12-26 | 江苏凯伦建材股份有限公司 | Pre-laid waterproof coiled material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104650727A (en) * | 2015-02-02 | 2015-05-27 | 安徽枞阳县渡江充气设备制造有限公司 | Multifunctional environment-friendly waterproof paint and preparation method thereof |
| CN107118634A (en) * | 2017-05-18 | 2017-09-01 | 广州双虹建材有限公司 | A kind of high resiliency anticracking waterproof coating and preparation method thereof |
| CN111154363A (en) * | 2020-01-16 | 2020-05-15 | 天津滨海澳泰防水材料有限公司 | High-reflection type metal roof waterproof coating and preparation method thereof |
-
2020
- 2020-10-20 CN CN202011127880.0A patent/CN112358775A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104650727A (en) * | 2015-02-02 | 2015-05-27 | 安徽枞阳县渡江充气设备制造有限公司 | Multifunctional environment-friendly waterproof paint and preparation method thereof |
| CN107118634A (en) * | 2017-05-18 | 2017-09-01 | 广州双虹建材有限公司 | A kind of high resiliency anticracking waterproof coating and preparation method thereof |
| CN111154363A (en) * | 2020-01-16 | 2020-05-15 | 天津滨海澳泰防水材料有限公司 | High-reflection type metal roof waterproof coating and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773918A (en) * | 2022-04-10 | 2022-07-22 | 交科院公路工程科技(北京)有限公司 | Colored anti-freezing coating |
| CN114773918B (en) * | 2022-04-10 | 2022-12-09 | 交科院公路工程科技(北京)有限公司 | Colored anti-freezing coating |
| CN117285879A (en) * | 2023-11-24 | 2023-12-26 | 江苏凯伦建材股份有限公司 | Pre-laid waterproof coiled material and preparation method thereof |
| CN117285879B (en) * | 2023-11-24 | 2024-02-27 | 江苏凯伦建材股份有限公司 | Pre-laid waterproof coiled material and preparation method thereof |
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