CN112251053A - Environment-friendly anti-carbonization coating - Google Patents

Environment-friendly anti-carbonization coating Download PDF

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CN112251053A
CN112251053A CN202011162563.2A CN202011162563A CN112251053A CN 112251053 A CN112251053 A CN 112251053A CN 202011162563 A CN202011162563 A CN 202011162563A CN 112251053 A CN112251053 A CN 112251053A
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environment
friendly anti
percent
carbonization
coating
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CN112251053B (en
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俞建华
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Zhejiang Youyiya Coating Co ltd
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Zhejiang Youyiya Coating Co ltd
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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
    • 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
    • C09D5/18—Fireproof paints including high temperature resistant 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
    • 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
    • C09D7/65—Additives macromolecular

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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)
  • Paints Or Removers (AREA)

Abstract

The invention provides an environment-friendly anti-carbonization coating, and belongs to the technical field of building coatings. The environment-friendly anti-carbonization coating provided by the invention comprises the following components in percentage by mass: inorganic resin V3318-30%; 5-15% of titanium dioxide; 2-5% of kaolin; 5-20% of talcum powder; 10-30% of silica fume powder; 0.3-0.5% of cellulose; 3-8% of emulsion; 0.1-0.2% of film-forming auxiliary agent; 0.1-0.3% of a bactericide; 5-15% of flame retardant powder; 0.1-0.3% of defoaming agent; the balance of water. The environment-friendly anti-carbonization coating provided by the invention has the flame retardant grade up to A2 grade, is not easy to fade, has super-strong weather resistance up to 3000 hours, has the scrub resistance times up to 30000 times, has the adhesive force up to 7.2MPa, and has high CO resistance2Isolation of (R.H.70%, 20% CO)2Concentration, 28d)The relative carbonization depth is less than or equal to 10 percent, and the color is rich.

Description

Environment-friendly anti-carbonization coating
Technical Field
The invention relates to the technical field of building coatings, in particular to an environment-friendly anti-carbonization coating.
Background
With the rapid development of cities, a large number of viaducts appear in cities at present to support increasingly busy traffic, the viaducts are mainly based on concrete, and the phenomenon that hydration products in the concrete react with carbon dioxide in the air to generate carbonate and other substances is called concrete carbonization. In the reinforced concrete, the erosion of water and carbon dioxide can change the internal structure and organization of the concrete, so that the concrete cracks and steel bars are corroded, the structural property and durability of the concrete are directly influenced, and the service life of the concrete structure is shortened. The currently common oily protective products have heavy pollution and heavy smell; and is poor in weather resistance.
Therefore, the development of an environment-friendly anti-carbonization coating is urgent.
Disclosure of Invention
In view of the above, the invention aims to provide an environment-friendly anti-carbonization coating which is environment-friendly, odorless, strong in adhesive force, good in anti-carbonization property and strong in weather resistance.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides an environment-friendly anti-carbonization coating, which comprises the following components in percentage by mass:
v3318-30%
5 to 15 percent of titanium dioxide
2 to 5 percent of kaolin
5 to 20 percent of talcum powder
10 to 30 percent of silica fume powder
0.3 to 0.5 percent of cellulose
3 to 8 percent of emulsion
0.1 to 0.2 percent of film forming additive
0.1 to 0.3 percent of bactericide
5 to 15 percent of flame retardant powder
0.1 to 0.3 percent of defoaming agent
The balance of water.
Preferably, the titanium dioxide is titanium dioxide 706, titanium dioxide 215 or titanium dioxide 996.
Preferably, the particle size of the titanium dioxide is 0.3-0.4 μm.
Preferably, the particle size of the kaolin is 3000-4000 meshes.
Preferably, the particle size of the talcum powder is 800-1250 meshes.
Preferably, the particle size of the silica fume powder is 1000-1250 meshes.
Preferably, the cellulose is HBR250 cellulose.
Preferably, the emulsion is a QH8120 emulsion, a RS5969 emulsion, or a BLJ-8500v emulsion.
Preferably, the coalescent is a decaglycol ester.
Preferably, the antifoaming agent is antifoaming agent NXZ and/or antifoaming agent 4210.
The invention provides an environment-friendly anti-carbonization coating, which comprises the following components in percentage by mass: inorganic resin V3318-30%; 5-15% of titanium dioxide; 2-5% of kaolin; 5-20% of talcum powder; 10-30% of silica fume powder; 0.3-0.5% of cellulose; 3-8% of emulsion; 0.1-0.2% of film-forming auxiliary agent; 0.1-0.3% of a bactericide; 5-15% of flame retardant powder; 0.1-0.3% of defoaming agent; the balance of water. The environment-friendly anti-carbonization coating provided by the invention has the flame retardant grade up to A2 grade, is not easy to fade, has super-strong weather resistance up to 3000 hours, has the scrub resistance times up to 30000 times, has the adhesive force up to 7.2MPa, and has high CO resistance2Isolation of (R.H.70%, 20% CO)2Concentration, 28d) relative carbonization depth is less than or equal to 10 percent, and the color is rich.
Detailed Description
The invention provides an environment-friendly anti-carbonization coating, which comprises the following components in percentage by mass:
v3318-30%
5 to 15 percent of titanium dioxide
2 to 5 percent of kaolin
5 to 20 percent of talcum powder
10 to 30 percent of silica fume powder
0.3 to 0.5 percent of cellulose
3 to 8 percent of emulsion
0.1 to 0.2 percent of film forming additive
0.1 to 0.3 percent of bactericide
5 to 15 percent of flame retardant powder
0.1 to 0.3 percent of defoaming agent
The balance of water.
In the present invention, the starting materials used in the present invention are preferably commercially available products unless otherwise specified.
The environment-friendly anti-carbonization coating provided by the invention comprises 18-30% by mass of inorganic resin V33, preferably 20-25%; the solid content of the inorganic resin V33 is preferably 33%; the inorganic resin is preferably available from Shanghai porcelain Ma.
The environment-friendly anti-carbonization coating provided by the invention comprises 5-15% by mass of titanium dioxide, preferably 10%, wherein the titanium dioxide is preferably titanium dioxide 706, titanium dioxide 215 or titanium dioxide 906; the particle size of the titanium dioxide is preferably 0.3-0.4 μm.
The environment-friendly anti-carbonization coating provided by the invention comprises 2-5% of kaolin by mass, preferably 3-4%; the particle size of the kaolin is preferably 3000-4000 meshes.
The environment-friendly anti-carbonization coating provided by the invention comprises 5-20% of talcum powder by mass, preferably 10-15%; the particle size of the talcum powder is preferably 800-1250 meshes.
The environment-friendly anti-carbonization coating provided by the invention comprises 10-30% of silica fume powder by mass, preferably 15-25%, and further preferably 20%; the particle size of the silica fume powder is preferably 1000-1250 meshes.
The environment-friendly anti-carbonization coating provided by the invention comprises 0.3-0.5% of cellulose by mass, preferably 0.4%, and the cellulose is preferably HBR250 cellulose. In the present invention, when the cellulose is used, the cellulose is preferably dissolved in water first and used in the form of a cellulose aqueous solution, the concentration and the volume of the cellulose aqueous solution are not particularly limited as long as the cellulose in the environment-friendly anti-carbonization coating material can be 0.3 to 0.5% by mass, and in a specific embodiment of the present invention, the mass fraction of the HBR250 cellulose aqueous solution is preferably 2%.
The environment-friendly anti-carbonization coating provided by the invention comprises 3-8% of emulsion by mass, preferably 4-7% of emulsion by mass, and further preferably 5-6% of emulsion by mass; the emulsion is preferably QH8120 emulsion, RS5969 emulsion or BLJ-8500v emulsion, and is more preferably QH8120 emulsion.
The environment-friendly anti-carbonization coating provided by the invention comprises 0.1-0.2% of film-forming additive by mass percentage, preferably 0.15%, and the film-forming additive is preferably decaglycol ester.
The environment-friendly anti-carbonization coating provided by the invention comprises 0.1-0.3% of bactericide by mass, preferably 0.2%, and the bactericide is preferably an odorless bactericide.
The environment-friendly anti-carbonization coating provided by the invention comprises 5-15% of flame retardant powder by mass, preferably 10%; the particle size of the flame retardant powder is preferably 10-20 nm.
The environment-friendly anti-carbonization coating provided by the invention comprises 0.1-0.3% of defoaming agent by mass, preferably 0.2%, and the defoaming agent is preferably defoaming agent NXZ and/or defoaming agent 4210.
The environment-friendly anti-carbonization coating provided by the invention comprises the balance of water; the water is preferably deionized water.
The preparation method of the environment-friendly anti-carbonization coating is not particularly limited, and the environment-friendly anti-carbonization coating can be prepared by mixing by a mixing method known to a person skilled in the art.
In the invention, the environment-friendly anti-carbonization coating is preferably directly used without being diluted when in use.
The environment-friendly anti-carbonization coating provided by the present invention will be described in detail with reference to the following examples, which should not be construed as limiting the scope of the present invention.
Example 1
The environment-friendly anti-carbonization coating comprises the following components in percentage by mass:
25.0% of an inorganic resin V33, with a solids content of 33%;
15.0% titanium pigment 706 with the particle size of 0.3-0.4 μm;
5.0% of kaolin, the particle size is 4000 meshes;
5.0% of talcum powder with the grain size of 1250 meshes;
15.0 percent of silica fume powder with the grain size of 1250 meshes;
a 17.6% HBR250 aqueous solution with a mass concentration of 2%;
6.0% QH8120 emulsion;
0.2% of a decaglycol ester;
0.1% of an odor-free bactericide;
5.0% of flame retardant powder with the particle size of 10-20 nm;
0.1% defoamer 4210;
0.1% defoamer NXZ;
the balance of deionized water.
The contrast ratio of the obtained environment-friendly anti-carbonization coating tested by a method of JG/T26002 inorganic building coating on the outer wall is 99.0, the scrubbing frequency is 30000 times, the artificial aging resistance is 3000 hours, and no organic volatile matter is detected.
The adhesion of the obtained environment-friendly anti-carbonization coating is tested to be 7.2MPa by GB/T5210-2006 method for measuring the adhesion of the coating.
The obtained environment-friendly anti-carbonization coating is tested to CO by adopting a DL/T5150-2001 hydraulic concrete test procedure method2Isolation of (R.H.70%, 20% CO)2Concentration, 28d) relative carbonization depth is less than or equal to 10 percent.
The fire-resistant grade of the obtained environment-friendly anti-carbonization coating is tested to be grade A2 by the method of GB 50022-1995.
The anti-algae grade 0 of the obtained environment-friendly anti-carbonization coating is tested by the GB/T21353-2008 method.
The anti-mildew grade 0 of the obtained environment-friendly anti-carbonization coating is tested by adopting the GB/T1741-2007 method.
Example 2
The environment-friendly anti-carbonization coating comprises the following components in percentage by mass:
18.0% of inorganic resin V33, solids content 33%;
15.0% titanium pigment 706 with the particle size of 0.3-0.4 μm;
5.0% of kaolin, the particle size is 4000 meshes;
5.0% of talcum powder with the grain size of 1250 meshes;
15.0 percent of silica fume powder with the grain size of 1250 meshes;
a 17.6% HBR250 aqueous solution with a mass concentration of 2%;
6.0% QH8120 emulsion;
0.2% of a decaglycol ester;
0.1% of an odor-free bactericide;
5.0% of flame retardant powder with the particle size of 10-20 nm;
0.1% defoamer 4210;
0.1% defoamer NXZ;
the balance of deionized water.
The contrast ratio of the obtained environment-friendly anti-carbonization coating tested by the method of JG/T26002 inorganic building coating for external walls is 99.0, the scrubbing frequency is 20000, the artificial aging resistance is 1800 hours, and no organic volatile matter is detected.
The adhesion of the obtained environment-friendly anti-carbonization coating is tested to be 6.5MPa by GB/T5210-2006 method for measuring the adhesion of the coating.
The obtained environment-friendly anti-carbonization coating is tested to CO by adopting a DL/T5150-2001 hydraulic concrete test procedure method2Isolation of (R.H.70%, 20% CO)2Concentration, 28d) relative carbonization depth is less than or equal to 11 percent.
The fire-resistant grade B of the obtained environment-friendly anti-carbonization coating is tested by the method GB 50022-1995.
The anti-algae grade 0 of the obtained environment-friendly anti-carbonization coating is tested by the GB/T21353-2008 method.
The anti-mildew grade 0 of the obtained environment-friendly anti-carbonization coating is tested by adopting the GB/T1741-2007 method.
Example 3
The environment-friendly anti-carbonization coating comprises the following components in percentage by mass:
20.0% of inorganic resin V33, solid content 33%;
15.0% titanium pigment 706 with the particle size of 0.3-0.4 μm;
5.0% of kaolin, the particle size is 4000 meshes;
5.0% of talcum powder with the grain size of 1250 meshes;
15.0 percent of silica fume powder with the grain size of 1250 meshes;
a 17.6% HBR250 aqueous solution with a mass concentration of 2%;
6.0% QH8120 emulsion;
0.2% of a decaglycol ester;
0.1% of an odor-free bactericide;
5.0% of flame retardant powder with the particle size of 10-20 nm;
0.1% defoamer 4210;
0.1% defoamer NXZ;
the balance of deionized water.
The contrast ratio of the obtained environment-friendly anti-carbonization coating tested by the method of JG/T26002 inorganic building coating on the outer wall is 99.0, the scrubbing times are 23000, the artificial aging resistance is 2200 hours, and no organic volatile matter is detected.
The adhesion of the obtained environment-friendly anti-carbonization coating is tested to be 6.0MPa by GB/T5210-2006 method for measuring the adhesion of the coating.
The obtained environment-friendly anti-carbonization coating is tested to CO by adopting a DL/T5150-2001 hydraulic concrete test procedure method2Isolation of (R.H.70%, 20% CO)2Concentration, 28d) relative carbonization depth is less than or equal to 12 percent.
The fire-resistant grade B of the obtained environment-friendly anti-carbonization coating is tested by the method GB 50022-1995.
The anti-algae grade 0 of the obtained environment-friendly anti-carbonization coating is tested by the GB/T21353-2008 method.
The anti-mildew grade 0 of the obtained environment-friendly anti-carbonization coating is tested by adopting the GB/T1741-2007 method.
Example 4
The environment-friendly anti-carbonization coating comprises the following components in percentage by mass:
30.0% of inorganic resin V33, solid content 33%;
15.0% titanium dioxide 706 with the particle size of 0.3-0.4 um;
5.0% of kaolin, the particle size is 4000 meshes;
5.0% of talcum powder with the grain size of 1250 meshes;
15.0 percent of silica fume powder with the grain size of 1250 meshes;
a 17.6% HBR250 aqueous solution with a mass concentration of 2%;
6.0% QH8120 emulsion;
0.2% of a decaglycol ester;
0.1% of an odor-free bactericide;
5.0% of flame retardant powder with the particle size of 10-20 nm;
0.1% defoamer 4210;
0.1% defoamer NXZ;
the balance of deionized water.
The contrast ratio of the obtained environment-friendly anti-carbonization coating tested by the method of JG/T26002 inorganic building coating on the outer wall is 99.0, the scrubbing times are 35000, the artificial aging resistance is 2500 hours, and no organic volatile matter is detected.
The adhesion of the obtained environment-friendly anti-carbonization coating is tested to be 6.5MPa by GB/T5210-2006 method for measuring the adhesion of the coating.
The obtained environment-friendly anti-carbonization coating is tested to CO by adopting a DL/T5150-2001 hydraulic concrete test procedure method2Isolation of (R.H.70%, 20% CO)2Concentration, 28d) relative carbonization depth is less than or equal to 11 percent.
The fire-resistant grade of the obtained environment-friendly anti-carbonization coating is tested to be grade A2 by the method of GB 50022-1995.
The anti-algae grade 0 of the obtained environment-friendly anti-carbonization coating is tested by the GB/T21353-2008 method.
The anti-mildew grade 0 of the obtained environment-friendly anti-carbonization coating is tested by adopting the GB/T1741-2007 method.
Comparative example 1
The coating comprises the following components in percentage by mass:
0.2% dispersant 5040
0.1% multifunctional auxiliary agent AMP-95;
10.0% titanium dioxide 215 with the particle size of 0.3-0.4 μm;
20.0 percent of calcium carbonate with the grain diameter of 800 meshes;
16% of anionic cellulose aqueous solution with the mass concentration of 2.5%;
1% silicone G588;
0.1% stabilizer V120;
20.0% potassium silicate aqueous solution with a solid content of 40%;
6.0% QH8120 emulsion;
0.2% defoamer 193;
0.2% defoamer a 10;
the balance of deionized water.
The contrast ratio of the coating tested by the method of JG/T26002 inorganic building coating for external walls is 95.0, the scrubbing resistance times are 10000, the artificial aging resistance is 1100 hours, and no organic volatile matter is detected
The adhesion of the obtained environment-friendly anti-carbonization coating is tested to be 3.5MPa by GB/T5210-2006 method for measuring the adhesion of the coating.
The obtained environment-friendly anti-carbonization coating is tested to CO by adopting a DL/T5150-2001 hydraulic concrete test procedure method2Isolation of (R.H.70%, 20% CO)2Concentration, 28d) relative carbonization depth is less than or equal to 15 percent.
The coatings obtained were tested for fire rating class B using the method of GB 50022-1995.
The coating obtained is tested for the algae resistance grade 0 by the GB/T21353-2008 method.
The anti-mildew grade 0 of the obtained coating is tested by the GB/T1741-2007 method.
Comparative example 2
The coating comprises the following components in percentage by mass:
25.0% silica sol water solution with a solid content of 30%;
10.0% titanium dioxide 996 with the particle size of 0.3-0.4 μm;
9.9 percent of talcum powder with the grain size of 1250 meshes;
15.0% wollastonite powder with a particle size of 1250 mesh;
5.0% of kaolin, the particle size is 4000 meshes;
5.0% of talcum powder with the grain size of 1250 meshes;
10% of flame retardant powder with the particle size of 10-20 nm;
17.6 percent of HBR250 aqueous solution with the mass content of 2 percent;
1.0% of an odor-free bactericide;
6.0% QH8120 emulsion;
0.2% of an odorless film-forming aid;
0.1% 4210% defoamer;
0.1% defoamer NXZ;
the balance of deionized water.
The contrast ratio of the obtained coating is 95.0, the scrubbing resistance times are 5000, the artificial aging resistance time is 600 hours, and no organic volatile matter is detected by adopting a method of JG/T26002 inorganic building coating for external walls.
The adhesion of the obtained environment-friendly anti-carbonization coating is tested to be 3.0MPa by GB/T5210-2006 method for measuring the adhesion of the coating.
The obtained environment-friendly anti-carbonization coating is tested to CO by adopting a DL/T5150-2001 hydraulic concrete test procedure method2Isolation of (R.H.70%, 20% CO)2Concentration, 28d) relative carbonization depth is less than or equal to 20 percent.
The coatings obtained were tested for fire rating class B using the method of GB 50022-1995.
The coating obtained is tested for the algae resistance grade 0 by the GB/T21353-2008 method.
The anti-mildew grade 0 of the obtained coating is tested by the GB/T1741-2007 method.
Comparative example 3
0.2% dispersant 5040;
0.1% multifunctional auxiliary agent AMP-95;
10.0% titanium dioxide 2377 with a particle size of 0.3-0.4 μm;
9.9 percent of talcum powder with the granularity of 1250 meshes;
20.0 percent of calcium carbonate with the granularity of 800 meshes;
16 percent of anionic cellulose aqueous solution with the mass percentage of 2.5 percent;
1% silicone G588;
0.1% stabilizer V120;
20.0 percent of potassium silicate water solution, the mass percentage content is 31 percent;
6.0% QH8120 emulsion;
0.2% 193 antifoam;
0.2% defoamer a 10;
the balance of deionized water.
The contrast ratio of the obtained coating is 95.0, the scrubbing times are 7000, the artificial aging resistance is 800 hours, and no organic volatile matter is detected by adopting a method of JG/T26002 inorganic building coating for external walls.
The adhesion of the obtained environment-friendly anti-carbonization coating is tested to be 3.0MPa by GB/T5210-2006 method for measuring the adhesion of the coating.
The obtained environment-friendly anti-carbonization coating is tested to CO by adopting a DL/T5150-2001 hydraulic concrete test procedure method2Isolation of (R.H.70%, 20% CO)2Concentration, 28d) relative carbonization depth is less than or equal to 20 percent.
The coatings obtained were tested for fire rating class B using the method of GB 50022-1995.
The coating obtained is tested for the algae resistance grade 0 by the GB/T21353-2008 method.
The anti-mildew grade 0 of the obtained coating is tested by the GB/T1741-2007 method.
Comparative example 4
Similar to example 1, except that the inorganic resin V33 was replaced with an aqueous silica sol solution (solid content: 30%).
Comparative example 5
Similar to example 1, except that the content by mass of the inorganic resin V33 was adjusted to 22%.
Comparative example 6
Similar to example 1, except that the content by mass of the inorganic resin V33 was adjusted to 24%.
Comparative example 7
Similar to example 1, except that the mass percentage of the QH8120 emulsion was adjusted to 3%.
Comparative example 8
Similar to example 1, except that the mass percent of the QH8120 emulsion was adjusted to 8%.
Comparative example 9
Similar to example 1, except that the QH8120 emulsion was replaced with BLJ 8500V.
The organic matter volatilization condition of the coating obtained in the comparative examples 4-9 is tested by adopting a method of JG/T26002 inorganic building coating for outer walls.
The adhesion of the obtained coating is tested by GB/T5210-2006 method for measuring the adhesion of the coating.
The obtained coating is tested to CO by adopting a DL/T5150-2001 hydraulic concrete test procedure method2Isolation of (R.H.70%, 20% CO)2Concentration, 28 d).
The coatings obtained in comparative examples 4 to 9 were tested for fire rating using the method of GB 50022-1995.
The anti-algae rating of the coating obtained in comparative examples 4-9 was tested by using GB/T21353-2008 method.
The results of testing the mildew resistance grade of the coatings obtained in comparative examples 4-9 by GB/T1741-2007 are shown in Table 1.
TABLE 1 Performance test results for coatings obtained in comparative examples 4 to 9
Figure BDA0002744709410000101
Figure BDA0002744709410000111
As can be seen from table 1: compared with the comparative ratio of 4-9, the environment-friendly anti-carbonization coating obtained in the embodiment 1 has outstanding artificial aging resistance and is resistant to CO2Isolation of (R.H.70%, 20% CO)2Concentration, 28d) has the best effect, excellent adhesive force, obvious anti-carbonization effect and the best comprehensive index effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The environment-friendly anti-carbonization coating is characterized by comprising the following components in percentage by mass:
v3318-30%
5 to 15 percent of titanium dioxide
2 to 5 percent of kaolin
5 to 20 percent of talcum powder
10 to 30 percent of silica fume powder
0.3 to 0.5 percent of cellulose
3 to 8 percent of emulsion
0.1 to 0.2 percent of film forming additive
0.1 to 0.3 percent of bactericide
5 to 15 percent of flame retardant powder
0.1 to 0.3 percent of defoaming agent
The balance of water.
2. The environment-friendly anti-carbonization coating material as claimed in claim 1, wherein the titanium dioxide is titanium dioxide 706, titanium dioxide 215 or titanium dioxide 996.
3. The environment-friendly anti-carbonization coating material as claimed in claim 1 or 2, wherein the particle size of the titanium dioxide is 0.3-0.4 μm.
4. The environment-friendly anti-carbonization coating material as claimed in claim 1, wherein the kaolin has a particle size of 3000 to 4000 mesh.
5. The environment-friendly anti-carbonization coating material as claimed in claim 1, wherein the particle size of the talc powder is 800 to 1250 mesh.
6. The environment-friendly anti-carbonization coating material as claimed in claim 1, wherein the particle size of the wollastonite powder is 1000-1250 mesh.
7. The environmentally friendly anti-carbonization coating material of claim 1, wherein the cellulose is HBR250 cellulose.
8. The environment-friendly anti-carbonization coating material as claimed in claim 1, wherein the emulsion is QH8120 emulsion, RS5969 emulsion or BLJ-8500v emulsion.
9. The environmentally friendly anti-carbonization coating material of claim 1, wherein the film forming additive is a decaglycol ester.
10. The environment-friendly anti-carbonization coating material as claimed in claim 1, wherein the defoaming agent is NXZ defoaming agent and/or 4210 defoaming agent.
CN202011162563.2A 2020-10-27 2020-10-27 Environment-friendly anti-carbonization coating Active CN112251053B (en)

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