CN110643238A - Antifouling exterior wall surface glaze and preparation method thereof - Google Patents
Antifouling exterior wall surface glaze and preparation method thereof Download PDFInfo
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- CN110643238A CN110643238A CN201910822425.3A CN201910822425A CN110643238A CN 110643238 A CN110643238 A CN 110643238A CN 201910822425 A CN201910822425 A CN 201910822425A CN 110643238 A CN110643238 A CN 110643238A
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- exterior wall
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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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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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
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1675—Polyorganosiloxane-containing compositions
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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
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
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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)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the field of coatings, and discloses an antifouling exterior wall glaze which comprises organic silicon resin, inorganic nano particles, fluorine-containing resin and a drier; the mass ratio of the organic silicon resin to the fluorine-containing resin to the drier is 1:0.1-0.2: 0.6-0.9. The antifouling exterior wall overglaze provided by the invention has good water resistance, mildew resistance, temperature change resistance and weather resistance. The outer wall surface glaze has an excellent antifouling function, and the main reasons are that the particle size of the latex particles of the nano core-shell composite emulsion is extremely small, the arrangement is regular after a dry film is formed, the formed film is compact, and the hardness is high, so that dirt such as dust, oil stain and the like cannot easily permeate into the coating film, so that rainwater can wash away the dirt on the surface, and the coating can be kept clean.
Description
Technical Field
The invention relates to the field of coatings, in particular to an antifouling exterior wall overglaze and a preparation method thereof.
Background
In the building decoration industry, the existing common interior wall coatings have the defects of poor covering power, easy powder removal, no scrubbing resistance and the like, and along with the development of the society, the common interior wall coatings cannot meet the decoration requirements of people on building houses, and people hope to generate new varieties of building interior and exterior wall coatings.
The paint for external wall is used for painting external vertical wall of building, so that the most important index is ultraviolet radiation resistance, and long-time radiation is required to be realized without color change. Some exterior wall coatings also require water resistance and self-cleaning properties. The paint film is hard and flat, and dirt can be washed off. However, most of the existing exterior wall coatings have the defects of poor stain resistance, poor heat insulation performance and insufficient weather resistance.
Therefore, the development of an antifouling exterior wall glaze with good heat insulation and strong weather resistance is needed.
Disclosure of Invention
The invention aims to provide an antifouling outer wall overglaze and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
an antifouling external wall glaze comprises alcohol-soluble organic silicon resin, inorganic nano particles, fluorine-containing resin and a drier; the mass ratio of the organic silicon resin to the fluorine-containing resin to the drier is 1:0.1-0.2: 0.6-0.9.
Preferably, the antifouling exterior wall overglaze further comprises the following components: defoaming agent, dispersant, solvent, pigment, filler, leveling agent and accelerator.
Preferably, the antifouling exterior wall overglaze comprises the following components in parts by weight: 30-50 parts of organic silicon resin, 10-15 parts of inorganic nano particles, 3-10 parts of fluorine-containing resin, 18-45 parts of drier, 0.5-1 part of defoaming agent, 1-3 parts of dispersing agent, 30-50 parts of solvent, 1-4 parts of pigment, 0.5-3 parts of filler, 1-5 parts of flatting agent and 0.5-3 parts of accelerator.
Preferably, the fluorine-containing resin comprises one or more of fluorine-containing acrylic resin, fluorocarbon resin, fluorine-containing acrylic modified polyurethane resin and fluorine-containing acrylic modified organic silicon resin.
Preferably, the organic silicon resin is selected from one or more of organic silicon acrylic resin, dimethyl dichlorosilane and phenyl trichlorosilane.
Preferably, the solvent is selected from one or more of deionized water, ethanol and propanol.
Preferably, the drier is selected from dibutyltin dilaurate.
Preferably, the filler is selected from one or both of porous powdered quartz and talc.
Preferably, the inorganic nanoparticles are selected from one or two of nano-silica and nano-calcium carbonate.
Preferably, the pigment is an inorganic pigment.
A preparation method of antifouling exterior wall overglaze comprises the following steps:
(1) grinding the filler and the pigment, adding the ground filler and the pigment into the solvent, and stirring;
(2) mixing and stirring organic silicon resin, inorganic nano particles and fluorine-containing resin;
(3) and adding the defoaming agent, the dispersing agent, the flatting agent and the accelerating agent and stirring to obtain the antifouling exterior wall glaze.
The beneficial technical effects of the invention are as follows:
(1) the antifouling exterior wall overglaze provided by the invention has good water resistance, mildew resistance, temperature change resistance and weather resistance. The outer wall surface glaze has an excellent antifouling function, and the main reasons are that the particle size of the latex particles of the nano core-shell composite emulsion is extremely small, the arrangement is regular after a dry film is formed, the formed film is compact, and the hardness is high, so that dirt such as dust, oil stain and the like cannot easily permeate into the coating film, so that rainwater can wash away the dirt on the surface, and the coating can be kept clean.
(2) The antifouling outer wall overglaze has the advantages of good sun-proof effect, no harm of heavy metal, no harmful substance, good environmental protection effect and little taste.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by examples below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Example 1
An antifouling exterior wall surface glaze comprises the following components in parts by weight: 2 parts of fluorine-containing acrylic acid modified polyurethane resin, 2 parts of fluorine-containing acrylic acid modified organic silicon resin, 5 parts of nano silicon dioxide, 5 parts of nano calcium carbonate, 30 parts of alcohol-soluble organic silicon acrylic resin, 18 parts of dibutyltin dilaurate, 0.5 part of defoaming agent, 1 part of dispersing agent, 20 parts of deionized water, 10 parts of propanol, 1 part of inorganic pigment, 10 parts of porous powder quartz, 1 part of flatting agent and 0.5 part of accelerating agent.
A preparation method of antifouling exterior wall overglaze comprises the following steps:
(1) grinding porous quartz powder and inorganic pigment, adding the ground porous quartz powder and inorganic pigment into a solvent, and stirring;
(2) mixing and stirring alcohol-soluble organic silicon acrylic resin, nano silicon dioxide, nano calcium carbonate, fluorine-containing acrylic modified polyurethane resin and fluorine-containing acrylic modified organic silicon resin;
(3) and adding the defoaming agent, the dispersing agent, the flatting agent and the accelerating agent and stirring to obtain the antifouling exterior wall glaze.
Example 2
An antifouling exterior wall surface glaze comprises the following components in parts by weight: 50 parts of alcohol-soluble organic silicon acrylic resin, 7 parts of nano silicon dioxide, 8 parts of nano calcium carbonate, 5 parts of fluorine-containing acrylic modified polyurethane resin, 5 parts of fluorine-containing acrylic modified organic silicon resin, 45 parts of dibutyltin dilaurate, 1 part of defoaming agent, 3 parts of dispersing agent, 50 parts of deionized water, 4 parts of inorganic pigment, 30 parts of porous powder quartz, 5 parts of flatting agent and 3 parts of accelerating agent.
A preparation method of antifouling exterior wall overglaze comprises the following steps:
(1) grinding porous quartz powder and inorganic pigment, adding the ground porous quartz powder and inorganic pigment into a solvent, and stirring;
(2) mixing and stirring alcohol soluble organic silicon acrylic resin, nano silicon dioxide, nano calcium carbonate, fluorine-containing acrylic modified polyurethane resin and fluorine-containing acrylic modified organic silicon resin;
(3) and adding the defoaming agent, the dispersing agent, the flatting agent and the accelerating agent and stirring to obtain the antifouling exterior wall glaze.
Example 3
An antifouling exterior wall surface glaze comprises the following components in parts by weight: 40 parts of alcohol-soluble organic silicon acrylic resin, 7 parts of nano silicon dioxide, 8 parts of nano calcium carbonate, 3 parts of fluorine-containing acrylic modified polyurethane resin, 3 parts of fluorine-containing acrylic modified organic silicon resin, 32 parts of dibutyltin dilaurate, 0.8 part of defoaming agent, 2 parts of dispersing agent, 45 parts of deionized water, 1.5 parts of inorganic pigment, 20 parts of porous powder quartz, 2 parts of flatting agent and 1 part of accelerating agent.
A preparation method of antifouling exterior wall overglaze comprises the following steps:
(1) grinding porous quartz powder and inorganic pigment, adding the ground porous quartz powder and inorganic pigment into a solvent, and stirring;
(2) mixing and stirring alcohol soluble organic silicon acrylic resin, nano silicon dioxide, nano calcium carbonate, fluorine-containing acrylic modified polyurethane resin and fluorine-containing acrylic modified organic silicon resin;
(3) and adding the defoaming agent, the dispersing agent, the flatting agent and the accelerating agent and stirring to obtain the antifouling exterior wall glaze.
Comparative example 1
The antifouling exterior wall surface glaze comprises the following components in parts by weight: 7 parts of nano silicon dioxide, 8 parts of nano calcium carbonate, 3 parts of fluorine-containing acrylic modified polyurethane resin, 3 parts of fluorine-containing acrylic modified organic silicon resin, 32 parts of dibutyltin dilaurate, 0.8 part of defoaming agent, 2 parts of dispersing agent, 45 parts of deionized water, 1.5 parts of inorganic pigment, 20 parts of porous powder quartz, 2 parts of flatting agent and 1 part of accelerator.
A preparation method of antifouling exterior wall overglaze comprises the following steps:
(1) grinding porous quartz powder and inorganic pigment, adding the ground porous quartz powder and inorganic pigment into a solvent, and stirring;
(2) mixing and stirring the nano silicon dioxide, the nano calcium carbonate, the fluorine-containing acrylic acid modified polyurethane resin and the fluorine-containing acrylic acid modified organic silicon resin;
(3) and adding the defoaming agent, the dispersing agent, the flatting agent and the accelerating agent and stirring to obtain the antifouling exterior wall glaze.
Comparative example 2
An antifouling exterior wall surface glaze comprises the following components in parts by weight: 40 parts of alcohol-soluble organic silicon acrylic resin, 3 parts of fluorine-containing acrylic modified polyurethane resin, 3 parts of fluorine-containing acrylic modified organic silicon resin, 32 parts of dibutyltin dilaurate, 0.8 part of defoaming agent, 2 parts of dispersing agent, 45 parts of deionized water, 1.5 parts of inorganic pigment, 20 parts of porous powder quartz, 2 parts of flatting agent and 1 part of accelerator.
A preparation method of antifouling exterior wall overglaze comprises the following steps:
(1) grinding porous quartz powder and inorganic pigment, adding the ground porous quartz powder and inorganic pigment into a solvent, and stirring;
(2) mixing and stirring alcohol soluble organic silicon acrylic resin, fluorine-containing acrylic modified polyurethane resin and fluorine-containing acrylic modified organic silicon resin;
(3) and adding the defoaming agent, the dispersing agent, the flatting agent and the accelerating agent and stirring to obtain the antifouling exterior wall glaze.
For the performance measurement of the anti-corrosive overglaze of the present invention, the performance evaluations were made of those prepared in examples 1 to 3 and comparative examples 1 to 2. The performance evaluations are shown in table 1:
the above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. An antifouling external wall overglaze is characterized by comprising organic silicon resin, inorganic nano particles, fluorine-containing resin and a drier; the mass ratio of the organic silicon resin to the fluorine-containing resin to the drier is 1:0.1-0.2: 0.6-0.9.
2. The antifouling exterior wall glaze according to claim 1, further comprising the following components: defoaming agent, dispersant, solvent, pigment, filler, leveling agent and accelerator.
3. The antifouling exterior wall overglaze according to claim 1 or 2, which comprises the following components in parts by weight: 30-50 parts of organic silicon resin, 10-15 parts of inorganic nano particles, 3-10 parts of fluorine-containing resin, 18-45 parts of drier, 0.5-1 part of defoaming agent, 1-3 parts of dispersing agent, 30-50 parts of solvent, 1-4 parts of pigment, 0.5-3 parts of filler, 1-5 parts of flatting agent and 0.5-3 parts of accelerator.
4. The antifouling exterior wall overglaze according to claim 1, wherein the fluorine-containing resin comprises one or more of fluorine-containing acrylic resin, fluorocarbon resin, fluorine-containing acrylic modified polyurethane resin and fluorine-containing acrylic modified silicone resin.
5. The antifouling exterior wall glaze according to claim 1, wherein the silicone resin is one or more selected from alcohol soluble silicone acrylic resin, dimethyldichlorosilane and phenyltrichlorosilane.
6. The antifouling exterior wall glaze according to claim 2, wherein the solvent is one or more selected from ethanol, propanol and deionized water.
7. The antifouling exterior wall glaze according to claim 1, wherein the drier is dibutyltin dilaurate.
8. The antifouling exterior wall glaze according to claim 2, wherein the filler is one or both of porous quartz powder and talc powder.
9. The antifouling exterior wall overglaze according to claim 1, wherein the inorganic nanoparticles are selected from one or two of nano silica and nano calcium carbonate.
10. The method for preparing an antifouling exterior wall overglaze according to claim 2, 3, 6 or 8, which comprises the steps of:
(1) grinding the filler and the pigment, adding the ground filler and the pigment into the solvent, and stirring;
(2) mixing and stirring organic silicon resin, inorganic nano particles and fluorine-containing resin;
(3) and adding the defoaming agent, the dispersing agent, the flatting agent and the accelerating agent and stirring to obtain the antifouling exterior wall glaze.
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Citations (1)
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CN101067062A (en) * | 2007-06-08 | 2007-11-07 | 东莞拓扑实业有限公司 | High performance outer wall paint and its prepn |
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CN101067062A (en) * | 2007-06-08 | 2007-11-07 | 东莞拓扑实业有限公司 | High performance outer wall paint and its prepn |
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