CN111334102A - Moisture-proof and mildew-proof dry powder coating - Google Patents
Moisture-proof and mildew-proof dry powder coating Download PDFInfo
- Publication number
- CN111334102A CN111334102A CN202010061417.4A CN202010061417A CN111334102A CN 111334102 A CN111334102 A CN 111334102A CN 202010061417 A CN202010061417 A CN 202010061417A CN 111334102 A CN111334102 A CN 111334102A
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- Prior art keywords
- mildew
- dry powder
- proof
- moisture
- powder coating
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/06—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
- C09D1/08—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
-
- 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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- 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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- 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)
- Plant Pathology (AREA)
- Catalysts (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a moisture-proof and mildew-proof dry powder coating which is prepared from the following raw materials in percentage by weight: 28-33% of white cement, 10-18% of white stone powder, 15-17.5% of sepiolite, 8-10% of diatomite, 7-10% of titanium dioxide, 8-10% of calcium oxide, 3-5% of kaolin, 10-13% of redispersible latex powder, 0.05-0.07% of etherified starch, 0.3-0.5% of heterocyclic compound mildew preventive, 1.5-1.8% of photocatalyst and 0.85-1% of cellulose. The components of the dry powder coating provided by the invention are matched with each other, so that the dry powder coating has excellent mildew resistance and scratch resistance, does not change color when meeting water, has good color stability, can effectively adsorb harmful substances such as indoor formaldehyde and the like, has excellent environmental protection performance, has extremely strong adsorption performance due to the synergistic effect of the sepiolite and the diatomite, ensures the dryness of the surface of the coating without giving uncomfortable feeling because water vapor in the air is adsorbed in pores in the south-bound weather and cannot be adsorbed into water beads on the surface of the coating, and has excellent moisture resistance because the water in the pores is evaporated when the temperature rises.
Description
Technical Field
The invention relates to the technical field of dry powder coatings, in particular to a moisture-proof and mildew-proof dry powder coating.
Background
The dry powder paint is a paint mainly using inorganic materials as main film forming materials and is widely applied to decorative coatings of external walls, internal walls and the like of buildings. However, in the south, the south comes back to south easily in spring, so that a large amount of water drops are adsorbed on the wall surface of a building, the traditional dry powder coating is composed of a small amount of organic matters and a large amount of inorganic fillers, a large amount of water drops are easily adsorbed on the wall surface, bacteria are easily bred and mildewed after the surface of the coating absorbs moisture, the coating can change color after the water drops are adsorbed, the surface of the coating absorbs water differently in the south back, the color is inconsistent, the hardness of the traditional dry powder coating is poor, the coating is easily scratched, and the normal use of the coating is seriously affected.
Disclosure of Invention
The invention aims to provide a dry powder coating with good scratch-resistant, damp-proof and mildew-resistant effects.
In order to solve the technical problems, the technical scheme of the invention is as follows: the moisture-proof and mildew-proof dry powder coating is prepared from the following raw materials in percentage by weight: 28-33% of white cement, 10-18% of white stone powder, 15-17.5% of sepiolite, 8-10% of diatomite, 7-10% of rutile titanium dioxide, 8-10% of calcium oxide, 3-5% of kaolin, 10-13% of redispersible latex powder, 0.05-0.07% of etherified starch, 0.3-0.5% of heterocyclic compound mildew inhibitor, 1.5-1.8% of photocatalyst and 0.85-1% of cellulose.
As a further improvement of the invention, the material consists of the following raw materials in percentage by weight: 30% of white cement, 12% of white stone powder, 15% of sepiolite, 8% of diatomite, 10% of rutile titanium dioxide, 9% of calcium oxide, 3% of kaolin, 10% of redispersible latex powder, 0.05% of etherified starch, 0.4% of heterocyclic compound mildew inhibitor, 1.6% of photocatalyst and 0.95% of cellulose.
The white cement enhances the hardness of the product after construction and drying, and ensures that the paint is not easy to scrape after being dried; the sepiolite and the diatomite have natural materials with larger specific surface area and unique internal pore channel structure in nonmetallic minerals, and have extremely strong adsorption and humidity regulation functions. The rutile titanium dioxide has good physical and chemical stability, has the highest refractive index and strong covering power in white pigment, has good dispersibility in dry powder paint, plays a role in protecting the stability of color, and ensures that the color of the paint does not change obviously after the paint meets water.
As a further improvement of the invention, the heterocyclic compound mildew preventive is 2-alkyl-4-isothiazoline-3-ketone. The heterocyclic compound mildew inhibitor has good thermal stability, no toxicity, no irritation, good sterilization and mildew prevention effects, and can effectively prevent the propagation and growth of mildew on the surface of a dry film.
As a further improvement of the invention, the photocatalyst is nano TiO2White carbon black composite photocatalytic material. Nano TiO 22The white carbon black composite photocatalytic material takes white carbon black as a carrier and nano TiO2The photocatalyst has good adsorption and capture performance and photocatalytic degradation performance on volatile matters such as formaldehyde, can effectively adsorb and decompose harmful substances such as formaldehyde in a room, and has the effect of protecting the environment.
As a further improvement of the invention, the redispersible latex powder is a vinyl acetate-ethylene copolymer. The redispersible latex powder can be redispersed after meeting water, has good flexibility due to high ethylene content, and can improve the bonding strength, bending strength, deformability, wear resistance and construction performance of the mortar.
Compared with the prior art, the invention has the advantages that: the components of the dry powder coating provided by the invention are matched with each other, so that the dry powder coating has excellent mildew resistance and scratch resistance, does not change color when meeting water, has good color stability, can effectively adsorb harmful substances such as indoor formaldehyde and the like, has excellent environmental protection performance, has extremely strong adsorption performance due to the synergistic effect of the sepiolite and the diatomite, ensures the dryness of the surface of the coating without giving uncomfortable feeling because water vapor in the air is adsorbed in pores in the south-bound day and water beads are not adsorbed on the surface of the coating, and has excellent moisture resistance because the water in the pores is evaporated when the temperature rises.
Detailed Description
The following further describes the embodiments of the present invention. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The followingIn each embodiment, the heterocyclic compound mildew preventive is preferably 2-alkyl-4-isothiazolin-3-ketone; the cellulose is preferably hydroxypropyl methylcellulose; the photocatalyst is preferably nano TiO2The preferable re-dispersible latex powder is vinyl acetate-ethylene copolymer.
Example 1
The moisture-proof and mildew-proof dry powder coating is prepared from the following raw materials in percentage by weight: 30% of white cement, 12% of white stone powder, 15% of sepiolite, 8% of diatomite, 10% of rutile titanium dioxide, 9% of calcium oxide, 3% of kaolin, 10% of redispersible latex powder, 0.05% of etherified starch, 0.4% of heterocyclic compound mildew inhibitor, 1.6% of photocatalyst and 0.95% of cellulose.
Example 2
The moisture-proof and mildew-proof dry powder coating is prepared from the following raw materials in percentage by weight: 30% of white cement, 12% of white stone powder, 15% of sepiolite, 8% of diatomite, 7% of rutile titanium dioxide, 8% of calcium oxide, 4% of kaolin, 13% of redispersible latex powder, 0.07% of etherified starch, 0.3% of heterocyclic compound mildew inhibitor, 1.63% of photocatalyst and 1% of cellulose.
Example 3
The moisture-proof and mildew-proof dry powder coating is prepared from the following raw materials in percentage by weight: 28% of white cement, 10% of white stone powder, 17.5% of sepiolite, 10% of diatomite, 8% of rutile titanium dioxide, 10% of calcium oxide, 3% of kaolin, 10.5% of redispersible latex powder, 0.05% of etherified starch, 0.5% of heterocyclic compound mildew inhibitor, 1.6% of photocatalyst and 0.85% of cellulose.
Example 4
The moisture-proof and mildew-proof dry powder coating is prepared from the following raw materials in percentage by weight: 28% of white cement, 18% of white stone powder, 15% of sepiolite, 8% of diatomite, 7% of rutile titanium dioxide, 8% of calcium oxide, 3% of kaolin, 10% of redispersible latex powder, 0.05% of etherified starch, 0.3% of heterocyclic compound mildew inhibitor, 1.8% of photocatalyst and 0.85% of cellulose.
Example 5
The moisture-proof and mildew-proof dry powder coating is prepared from the following raw materials in percentage by weight: 33% of white cement, 10% of white stone powder, 15% of sepiolite, 8% of diatomite, 8% of rutile titanium dioxide, 8% of calcium oxide, 5% of kaolin, 10% of redispersible latex powder, 0.07% of etherified starch, 0.5% of heterocyclic compound mildew inhibitor, 1.5% of photocatalyst and 0.93% of cellulose.
Comparative example 1
The difference from example 1 is only that a commercially available aromatic antifungal agent is used.
Comparative example 2
The only difference from example 1 was that 15% sepiolite and 8% diatomaceous earth were replaced with 23% diatomaceous earth.
Comparative example 3
The moisture-proof and mildew-proof dry powder coating is prepared from the following raw materials in percentage by weight: 33% of white cement, 12% of white stone powder, 15% of sepiolite, 10% of diatomite, 4% of rutile titanium dioxide, 10% of calcium oxide, 3% of kaolin, 10% of redispersible latex powder, 0.07% of etherified starch, 0.5% of heterocyclic compound mildew inhibitor, 1.5% of photocatalyst and 0.93% of cellulose.
The dry powder coating obtained by the technical scheme is subjected to corresponding performance detection, and the structure is shown in the following table.
The result shows that the components of the dry powder coating provided by the invention are mutually matched, so that the dry powder coating has excellent mildew resistance and scratch resistance, does not change color when meeting water, has good color stability, can effectively adsorb harmful substances such as indoor formaldehyde and the like, has excellent environmental protection performance, has extremely strong adsorption performance due to the mutual matching and synergistic effect of the sepiolite and the diatomite, ensures that water vapor in the air is adsorbed in pores and cannot be adsorbed into water beads on the surface of the coating in the south-bound weather, ensures the dryness of the surface of the coating, does not give uncomfortable feeling to people, and has good moisture resistance due to the evaporation of water in the pores when the temperature rises.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (5)
1. A moisture-proof and mildew-proof dry powder coating is characterized in that: the composite material consists of the following raw materials in percentage by weight: 28-33% of white cement, 10-18% of white stone powder, 15-17.5% of sepiolite, 8-10% of diatomite, 7-10% of rutile titanium dioxide, 8-10% of calcium oxide, 3-5% of kaolin, 10-13% of redispersible latex powder, 0.05-0.07% of etherified starch, 0.3-0.5% of heterocyclic compound mildew inhibitor, 1.5-1.8% of photocatalyst and 0.85-1% of cellulose.
2. The moisture and mildew resistant dry powder coating of claim 1, wherein: the composite material consists of the following raw materials in percentage by weight: 30% of white cement, 12% of white stone powder, 15% of sepiolite, 8% of diatomite, 10% of rutile titanium dioxide, 9% of calcium oxide, 3% of kaolin, 10% of redispersible latex powder, 0.05% of etherified starch, 0.4% of heterocyclic compound mildew inhibitor, 1.6% of photocatalyst and 0.95% of cellulose.
3. The moisture and mildew resistant dry powder coating of claim 2, wherein: the heterocyclic compound mildew preventive is 2-alkyl-4-isothiazoline-3-ketone.
4. The moisture and mildew resistant dry powder coating of claim 2, wherein: the photocatalyst is nano TiO2White carbon black composite photocatalytic material.
5. The moisture and mildew resistant dry powder coating of claim 2, wherein: the redispersible latex powder is a vinyl acetate-ethylene copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061417.4A CN111334102A (en) | 2020-01-19 | 2020-01-19 | Moisture-proof and mildew-proof dry powder coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061417.4A CN111334102A (en) | 2020-01-19 | 2020-01-19 | Moisture-proof and mildew-proof dry powder coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111334102A true CN111334102A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010061417.4A Pending CN111334102A (en) | 2020-01-19 | 2020-01-19 | Moisture-proof and mildew-proof dry powder coating |
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| CN (1) | CN111334102A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724734A (en) * | 2020-12-29 | 2021-04-30 | 河北三棵树涂料有限公司 | Photocatalytic antibacterial waterproof putty for interior wall and preparation method thereof |
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| KR100863978B1 (en) * | 2008-05-27 | 2008-10-16 | 재신건설(주) | Inorganic waterproof and anti-corrosion material with preventing function against complex deterioration due to carbonation and chloride attack |
| CN101974263A (en) * | 2010-10-19 | 2011-02-16 | 王秀宝 | Coating for removing formaldehyde in indoor air |
| CN102039117A (en) * | 2009-10-15 | 2011-05-04 | 中国矿业大学(北京) | Method for preparing loaded nano TiO2 composite material by using precipitated white carbon black as carrier |
| CN103642297A (en) * | 2013-12-24 | 2014-03-19 | 龚声凯 | Polishing-free emulsion putty paste |
| CN105036649A (en) * | 2015-07-20 | 2015-11-11 | 刘汉忠 | Fine diatom ooze powder and production technology thereof |
| CN107572900A (en) * | 2017-10-23 | 2018-01-12 | 宝辰永宇（滁州）新材料科技有限公司 | A kind of tasteless environment-friendly dry powder diatom ooze and preparation method thereof |
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2020
- 2020-01-19 CN CN202010061417.4A patent/CN111334102A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100863978B1 (en) * | 2008-05-27 | 2008-10-16 | 재신건설(주) | Inorganic waterproof and anti-corrosion material with preventing function against complex deterioration due to carbonation and chloride attack |
| CN102039117A (en) * | 2009-10-15 | 2011-05-04 | 中国矿业大学(北京) | Method for preparing loaded nano TiO2 composite material by using precipitated white carbon black as carrier |
| CN101974263A (en) * | 2010-10-19 | 2011-02-16 | 王秀宝 | Coating for removing formaldehyde in indoor air |
| CN103642297A (en) * | 2013-12-24 | 2014-03-19 | 龚声凯 | Polishing-free emulsion putty paste |
| CN105036649A (en) * | 2015-07-20 | 2015-11-11 | 刘汉忠 | Fine diatom ooze powder and production technology thereof |
| CN107572900A (en) * | 2017-10-23 | 2018-01-12 | 宝辰永宇（滁州）新材料科技有限公司 | A kind of tasteless environment-friendly dry powder diatom ooze and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112724734A (en) * | 2020-12-29 | 2021-04-30 | 河北三棵树涂料有限公司 | Photocatalytic antibacterial waterproof putty for interior wall and preparation method thereof |
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Application publication date: 20200626 |