CN104371467A - Elastic stain-resistant exterior wall coating material and preparation method thereof - Google Patents
Elastic stain-resistant exterior wall coating material and preparation method thereof Download PDFInfo
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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
- C09D133/04—Homopolymers or copolymers of esters
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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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- 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
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- 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
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- 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
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- 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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Abstract
The invention relates to an elastic stain-resistant exterior wall coating material and a preparation method thereof, belonging to the field of architectural ornament paints. The elastic stain-resistant exterior wall coating material is prepared from the following raw materials in parts by weight: 13-17 parts of water, 0.3-0.4 part of hydroxyethyl cellulose, 0.1-0.2 part of an aqueous multifunctional aid, 1.0-1.2 parts of aqueous dispersing agent, 0.3-0.5 part of an aqueous wetting agent, 0.5-0.6 part of an aqueous defoaming agent, 0.3-0.4 part of a bactericide, 18-20 parts of titanium dioxide, 9-13 parts of coating mica powder, 10-12 parts of precipitated barium sulphate, 28-33 parts of an acrylate emulsion, 1-6 parts of a styrene-acrylic emulsion, 3-5 parts of a wax emulsion, 1.2-1.5 parts of a coalescing agent, 1.0-1.2 parts of an antifreezing agent and 0.2-0.3 part of a germicide anticorrosive agent. The elastic stain-resistant exterior wall coating material prepared by virtue of the preparation method simultaneously has excellent stain resistance and low-temperature elasticity.
Description
Technical field
The present invention relates to a kind of exterior wall paint composition and method of making the same, particularly relate to a kind of elasticity stain-resistant exterior wall coating and preparation method thereof, belong to architectural decoration paint field.
Background technology
Along with progress and the development that is economic and society of science and technology, the level of coatings industry has become one of important symbol of the national national economic development degree of measurement one.The development of building coating also becomes the important symbol of a national living standard of country significantly.Emulsion paint is due to rich color, and easy construction, maintenance update is easy, from heavy and light, nonpoisonous and tasteless, and quality can meet protection and finishing requirements, is becoming the leading of constructure decorative material gradually.Especially elastic emulsion paint is owing to hiding the capillary fracture of body of wall and preventing concrete from carbonizing, and be therefore more and more subject to the favor of users, share of market constantly expands.But the shortcoming of elastic emulsion paint contamination resistance difference, reduces the ornamental of emulsion paint to a great extent, the contradiction that particularly existing its contamination resistance of elastic outer wall emulsion paint and low temperature elasticity can not get both constrains elastic emulsion further genralrlization and uses.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides a kind of elasticity soiling resistant exterior wall coating, elasticity soiling resistant exterior wall coating prepared by the present invention not only has excellent contamination resistance, also has excellent low temperature elasticity simultaneously.
Another object of the present invention is to provide a kind of preparation method of above-mentioned elasticity soiling resistant exterior wall coating.
Technical solution of the present invention is as follows:
One) scheme one:
A kind of elasticity stain-resistant exterior wall coating, it is formulated by following quality proportioning by following raw material:
Further,
Described Natvosol is the water dissolvable ether of cellulose of non-ionic type;
Described water-soluble multifunctional auxiliary agent adopts 2-amino-2-methyl-1-propanol;
It is hydrophobically modified ammonium polyacrylate dipersant that described aqueous dispersant adopts, and has splendid color development performance.
Described aqueous wetting agent adopts simple function group, oleoyl alkylene oxide block multipolymer, has the wetting and dispersed of excellence, can improve the wettability of pigment, thus increase the gloss of paint film, improve color developing, its active ingredient is about 80%, is a kind of biodegradable thick liquid;
Described water-based defoamer adopts non-ionic type defoamer be made up of the mixture of aliphatic hydrocarbon and emulsifying agent, or by the silicone antifoam agent of dimethyl silicone oil, white carbon black, emulsifying agent configuration;
Described sterilant adopts Zinc Pyrithione, wide spectrum water-borne preservative efficient as one, and it can effectively kill bacteria and the microorganism such as marine alga and fungi;
Described titanium dioxide is Rutile type Titanium Dioxide.
Described coating mica powder preferentially adopts proportion to be 2.5-2.9g/cm3, and oil number is 16-70, and average specific volume is 34-36, and refractive index is the white plates mica powder of 1.58-1.63.
Described process white employing median size is the barium sulfate powder of 3.0 ± 0.8 μm, preferentially adopts BaSO
4content is 97 ± 0.5%, and whiteness is 94 ± 1, and oil number is 9.0 ± 2.0g oil/100g, and proportion is the barium sulfate powder of 4.4 ± 0.2g/cm3.
Described acrylic ester emulsion adopts styrenated acrylic's ester class emulsion, for acrylicacidandesters class and aqueous dispersion styrene copolymerized on a small quantity, preferential employing quality solid content is 50.0 ± 1.0%, pH value is 7.0-9.0, MFFT is 0 DEG C, second-order transition temperature is-12 DEG C, and particle diameter is 0.15-0.25 μm, the Styrene-acrylic Emulsion that viscosity (No. 3 rotor/12 turn) is 200-2000mPa.s.
The hollow beads polymer emulsion that described benzene emulsion adopts vinylbenzene and acrylic ester copolymerization to close, preferential employing quality is admittedly containing being 30.0%, volume contains admittedly: 52.1%, proportion (wetting) 1.025g/ml, proportion (doing) 0.591g/cm3,, particle diameter is 0.38 micron, and pH value is the vinylbenzene of 8.0-8.7 and the hollow beads polymer emulsion of acrylic ester copolymerization conjunction.
Described wax emulsion adopts oxidation modification polyethylene, and it is micro-yellow liquid of non-ionic type, and preferential solid wax molten (dripping) point that adopts is 126-133 DEG C, Gu containing being 34-36%, density is 1.0g/ml, and perspective is 75%, and particle diameter is the oxidation modification polyethylene emulsion of 100nm;
Described film coalescence aid adopts 2,2,4-trimethylammonium-1,3 pentanediol mono isobutyrate, described 2,2,4-trimethylammonium-1,3 pentanediol mono isobutyrate preferentially adopts purity to be greater than 98.5%, acidity is less than 0.05, proportion is 0.945-0.955g/ml, and water ratio is less than 0.1%, and refractive index is the limpid clean liquid of 1.4411-1.4433.
Described frostproofer adopts 1,2-PD, and described 1,2-PD preferentially adopts purity >=99.7%, moisture≤0.08%, and boiling range is 184-190 DEG C, and relative density is the colourless transparent liquid of 1.037-1.039, colourity≤10;
Described fungicidal preservative adopts isothiazolinone disinfecting agent.
The method preparing elasticity stain-resistant exterior wall coating of the present invention is as follows:
Prepare the elasticity stain-resistant exterior wall coating described in scheme one, it is prepared from by following steps by following quality proportioning by following raw material:
(1) 13-17 part water is added in dispersion cylinder, under 350-550r/min rotating speed, add 0.3-0.4 part Natvosol and 0.1-0.2 part water-soluble multifunctional auxiliary agent successively, dispersion 1-3min;
(2) after improving rotating speed to 800-1000r/min, after adding 1.0-1.2 part aqueous dispersant, 0.3-0.5 part aqueous wetting agent, 0.5-0.6 part water-based defoamer, 0.3-0.4 part sterilant, 18-20 part titanium dioxide, 9-13 part coating mica powder and 10-12 part process white successively, again improve rotating speed and disperse 15-20min to 1800-2000r/min rotating speed, detect fineness whether≤60 μm afterwards, if fineness≤60 μm, continue to perform step (3);
(3), after adding 28-33 part acrylic ester emulsion, 1-6 part benzene emulsion, 3-5 part wax emulsion, 1.2-1.5 part film coalescence aid, 1.0-1.2 part frostproofer and 0.2-0.3 part fungicidal preservative successively under reducing rotating speed to 1000-1200r/min rotating speed, 15-20min is even to mixing liquid in dispersion.
The inventive principle of elasticity stain-resistant exterior wall coating provided by the present invention is as follows:
Elasticity stain-resistant exterior wall coating provided by the invention, mainly through the powder structure in adjustment formula and styrene acrylic emulsion consumption, improves the compactness of coating and anti-after tackiness, solves the feature of elastic coating contamination resistance difference.After brushing is on external wall, the powder in coating, styrene acrylic emulsion all while the original elasticity true qualities of maintenance, can significantly improve the performances such as weather-proof guarantor's look of coating, water-fast, stain resistant, thus make base material obtain permanent protection and decoration.
Elasticity stain-resistant exterior wall coating provided by the present invention compared with prior art, has the following advantages:
Safety and environmental protection of the present invention; compared with prior art; after brushing is on building sides; the organic composition of paint film all can while protection original be coated with true qualities; improve the performance such as efficient weather-proof guarantor's look, water-fast, stain resistant that face is coated with significantly, thus make base material, face is coated with and obtains permanent protection and decoration.This elasticity stain-resistant exterior wall Paint preparation technology is simple, low-carbon environment-friendly, has very strong industrialization ability and wide market outlook.
1) the present invention is nonpoisonous and tasteless, safety and environmental protection.
2) weather-proof tint retention: cover of the present invention is on exterior coating, and being not only applied to outdoor can through the test of climate, as the comprehensive destruction that illumination, cold and hot, wind and rain, bacterium etc. are caused, thus improves the working life of exterior coating; And no matter to organic look as phthalocyanine blue, large red, lemon yellow or inorganic look such as carbon black, iron oxide red, iron oxide yellow all have good tint retention.
3) water tolerance: elasticity stain-resistant exterior wall coating provided by the present invention to be soaked in water more than one week, paint film without loss of gloss, variable color, foaming, wrinkling, the phenomenon such as come off, water resistance super existing product far away.
4) scrub resistance: the anti-scouring ability of elasticity stain-resistant exterior wall coating provided by the present invention is strong, has good abrasion resistance, even if through repeatedly cleaning, still can keep body of wall beautiful as new.
5) contamination resistance: elasticity stain-resistant exterior wall coating provided by the present invention, application is on exterior wall, be applied to the test that the various spots such as dust in atmospheric environment can be stood in outdoor, the adhesive ability of spot on exterior coating can be effectively reduced, thus keep the clean level of body of wall.
6) low temperature elasticity: elasticity stain-resistant exterior wall coating provided by the present invention, application is on exterior wall, when there is crack in body of wall, even if in low temperature environment, film is subject to tensile deformation also can not cracking destruction, still complete film keeps original various iris action, prevents the body of wall place ftractureed directly to be exposed among air.The paint film formed after application has the barrier to various material (water and other liquid etc.), prevents various corrosives to the intrusion of body of wall inside, thus effectively protects body of wall from harm, gives full play to its defencive function.
Embodiment
Below in conjunction with embodiment, embodiment, content of the present invention is described in detail:
(1) embodiment
A kind of elasticity stain-resistant exterior wall coating, it is prepared from by following steps by following quality proportioning by following raw material:
(1) 13-17 part water is added in dispersion cylinder, under 350-550r/min rotating speed, add 0.3-0.4 part Natvosol and 0.1-0.2 part water-soluble multifunctional auxiliary agent successively, dispersion 1-3min;
(2) after improving rotating speed to 800-1000r/min, after adding 1.0-1.2 part aqueous dispersant, 0.3-0.5 part aqueous wetting agent, 0.5-0.6 part water-based defoamer, 0.3-0.4 part sterilant, 18-20 part titanium dioxide, 9-13 part coating mica powder and 10-12 part process white successively, again improve rotating speed and disperse 15-20min to 1800-2000r/min rotating speed, detect fineness whether≤60 μm afterwards, if fineness≤60 μm, continue to perform step (3);
(3), after adding 28-33 part acrylic ester emulsion, 1-6 part benzene emulsion, 3-5 part wax emulsion, 1.2-1.5 part film coalescence aid, 1.0-1.2 part frostproofer and 0.2-0.3 part fungicidal preservative successively under reducing rotating speed to 1000-1200r/min rotating speed, 15-20min is even to mixing liquid in dispersion.
(2) embodiment
The present invention is further described by the following embodiment:
Embodiment 1
A kind of elasticity stain-resistant exterior wall coating, it is prepared from by following steps by following quality proportioning by following raw material:
(1) 13.9 parts of water are added in dispersion cylinder, under 450r/min rotating speed, add 0.35 part of Natvosol and 0.15 part of water-soluble multifunctional auxiliary agent successively, dispersion 2min;
(2) after improving rotating speed to 900r/min, after adding 1.0 parts of aqueous dispersants, 0.3 part of aqueous wetting agent, 0.5 part of water-based defoamer, 0.35 part of sterilant, 18 parts of titanium dioxides, 13 parts of coating mica powders and 10 parts of process whites successively, again improve rotating speed and disperse 18min to 1900r/min rotating speed, detect fineness whether≤60 μm afterwards, if fineness≤60 μm, continue to perform step (3);
(3), after adding 32 parts of acrylic ester emulsions, 5 parts of benzene emulsions, 3 parts of wax emulsions, 1.2 parts of film coalescence aid, 1.0 parts of frostproofers and 0.2 part of fungicidal preservative successively under reducing rotating speed to 1100r/min rotating speed, 18min is even to mixing liquid in dispersion.
Embodiment 2
A kind of elasticity stain-resistant exterior wall coating, it is prepared from by following steps by following quality proportioning by following raw material:
(1) 16.8 parts of water are added in dispersion cylinder, under 550r/min rotating speed, add 0.4 part of Natvosol and 0.2 part of water-soluble multifunctional auxiliary agent successively, dispersion 3min;
(2) after improving rotating speed to 1000r/min, after adding 1.2 parts of aqueous dispersants, 0.5 part of aqueous wetting agent, 0.6 part of water-based defoamer, 0.3 part of sterilant, 20 parts of titanium dioxides, 9 parts of coating mica powders and 12 parts of process whites successively, again improve rotating speed and disperse 20min to 2000r/min rotating speed, detect fineness whether≤60 μm afterwards, if fineness≤60 μm, continue to perform step (3);
(3), after adding 33 parts of acrylic ester emulsions, 0.1 part of benzene emulsion, 3 parts of wax emulsions, 1.5 parts of film coalescence aid, 1.2 parts of frostproofers and 0.3 part of fungicidal preservative successively under reducing rotating speed to 1200r/min rotating speed, 180min is even to mixing liquid in dispersion.
Embodiment 3
A kind of elasticity stain-resistant exterior wall coating, it is prepared from by following steps by following quality proportioning by following raw material:
(1) 14.95 parts of water are added in dispersion cylinder, under 400r/min rotating speed, add 0.3 part of Natvosol and 0.1 part of water-soluble multifunctional auxiliary agent successively, dispersion 1.5min;
(2) after improving rotating speed to 850r/min, after adding 1.0 parts of aqueous dispersants, 0.35 part of aqueous wetting agent, 0.5 part of water-based defoamer, 0.4 part of sterilant, 18 parts of titanium dioxides, 11 parts of coating mica powders and 12 parts of process whites successively, again improve rotating speed and disperse 16min to 1850r/min rotating speed, detect fineness whether≤60 μm afterwards, if fineness≤60 μm, continue to perform step (3);
(3), after adding 29 parts of acrylic ester emulsions, 6 parts of benzene emulsions, 5 parts of wax emulsions, 1.2 parts of film coalescence aid, 1.0 parts of frostproofers and 0.2 part of fungicidal preservative successively under reducing rotating speed to 1050r/min rotating speed, 16min is even to mixing liquid in dispersion.
Embodiment 4
A kind of elasticity stain-resistant exterior wall coating, it is prepared from by following steps by following quality proportioning by following raw material:
(1) 16.9 parts of water are added in dispersion cylinder, under 500r/min rotating speed, add 0.3 part of Natvosol and 0.1 part of water-soluble multifunctional auxiliary agent successively, dispersion 2.5min;
(2) after improving rotating speed to 900r/min, after adding 1.0 parts of aqueous dispersants, 0.4 part of aqueous wetting agent, 0.55 part of water-based defoamer, 0.35 part of sterilant, 19 parts of titanium dioxides, 10 parts of coating mica powders and 12 parts of process whites successively, again improve rotating speed and disperse 18min to 2000r/min rotating speed, detect fineness whether≤60 μm afterwards, if fineness≤60 μm, continue to perform step (3);
(3), after adding 30 parts of acrylic ester emulsions, 3 parts of benzene emulsions, 4 parts of wax emulsions, 1.2 parts of film coalescence aid, 1.0 parts of frostproofers and 0.2 part of fungicidal preservative successively under reducing rotating speed to 1200r/min rotating speed, 18min is even to mixing liquid in dispersion.
Embodiment 5
A kind of elasticity stain-resistant exterior wall coating, it is prepared from by following steps by following quality proportioning by following raw material:
(1) 15 parts of water are added in dispersion cylinder, under 450r/min rotating speed, add 0.35 part of Natvosol and 0.15 part of water-soluble multifunctional auxiliary agent successively, dispersion 2min;
(2) after improving rotating speed to 900r/min, after adding 1.1 parts of aqueous dispersants, 0.4 part of aqueous wetting agent, 0.55 part of water-based defoamer, 0.35 part of sterilant, 19 parts of titanium dioxides, 11 parts of coating mica powders and 11 parts of process whites successively, again improve rotating speed and disperse 18min to 1900r/min rotating speed, detect fineness whether≤60 μm afterwards, if fineness≤60 μm, continue to perform step (3);
(3), after adding 30.5 parts of acrylic ester emulsions, 1 part of benzene emulsion, 4 parts of wax emulsions, 1.35 parts of film coalescence aid, 1.1 parts of frostproofers and 0.25 part of fungicidal preservative successively under reducing rotating speed to 1100r/min rotating speed, 18min is even to mixing liquid in dispersion.
In above each embodiment:
Described hydromining ordinary tap water;
Described Natvosol adopts the sub-250HBR produced across dragon;
The AMP-95 that described water-soluble multifunctional auxiliary agent adopts Tao Shi to produce;
The CA-2500 that described aqueous dispersant adopts ROHM AND HAAS to produce;
Described aqueous wetting agent adopts 1080 of Hai Chuan production;
334 and extra large river A10 that described water-based defoamer employing section rather produces;
Described sterilant adopts the ZOE-T of Qi Chemical Manufacture difficult to understand;
The BLR-699 that described titanium dioxide adopts one hundred profit connection to produce;
Described coating mica powder adopts the U.S. high mica powder produced;
The 20HB that described process white adopts micro-milli powder industry to produce;
4020 emulsions that described acrylic ester emulsion adopts Clariant to produce;
The Texanol that described film coalescence aid adopts Yi Shiman to produce;
Described frostproofer adopts the propylene glycol of Depew, Shandong Chemical Manufacture;
The RS that described fungicidal preservative adopts Troy to produce;
Described benzene emulsion adopts the OP-62 of ROHM AND HAAS.
Property indices measured in each embodiment of elasticity stain-resistant exterior wall coating prepared by the present invention and technical indicator are as shown in following table:
The contamination resistance experimental data that each embodiment of the elasticity stain-resistant exterior wall coating prepared by table one-the present invention records according to exterior wall paint coatings contamination resistance test method in GB9780-2013 " building coating coating contamination resistance testing method "
Brush corresponding respectively for each embodiment 1-5 on A, B, C, D, E 5 blocks of brassboard plates, brushing quality is 0.7 ± 0.1g/ block, dry 24H, test the reflectance value of every block plate, then to the coal ash pulp of every block scrubbing brush painting water 1:1 quality dilution, brush quality 0.7 ± 0.1g/ block, and the plate of having brushed is put in temperature 23 ± 2 DEG C, the environment maintenance 2H of humidity 50 ± 5%, then water rinses plate 1 minute, and this is 1 circulation.Repeat above-mentioned test after 24H, do 5 circulations altogether.The reflectance value of test panel after 5 circulations, thus calculate stain resistant numerical value.
As apparent from table one can,
The contaminated resistance of various embodiments of the present invention is all more than the requirement of the salable product of the national standard of GB9780-2013, and stain resistant value is all less than 15%; Be applied to the test that the various spots such as dust in atmospheric environment can be stood in outdoor, the adhesive ability of spot on exterior coating can be effectively reduced, thus keep the clean level of body of wall.
The exterior wall tensile strength of the elasticity stain-resistant exterior wall coating prepared by table two-the present invention and elongation at break experimental data
As apparent from table two can,
The exterior wall tensile strength of each embodiment of elasticity stain-resistant exterior wall coating of the present invention and elongation at break are all more than the technical indicator of exterior wall tensile strength in JG/T172-2005 " elastic building paint " and elongation at break; Even if in low temperature environment, film is subject to tensile deformation also can not cracking destruction, and still complete film keeps original various iris action, prevents the body of wall place ftractureed directly to be exposed among air.
The abrasion resistance experimental data that table three-various embodiments of the present invention record
By each embodiment 1-5 respectively corresponding roller coating to 5 block plate and A, B, C, D, E be of a size of 430mm × 150mm × (4-6) mm without on asbestos cement plate, use together with the excellent each coating of the line of diameter 120 and 80 specifications respectively, roller coating quality is 5.0 ± 0.5g/ block, twice coating duration interval is not less than 6h, after dry 24H, the plate prepared is put in temperature 23 ± 2 DEG C, the environment maintenance of humidity 50 ± 5% 7 days, adopts washability machine to test its abrasion resistance.
As apparent from table three can,
The brushing resistance of each embodiment of elasticity stain-resistant exterior wall coating of the present invention all more than the requirement of the salable product of the standard in JG/T172-2005 " elastic building paint ", can clean number of times much larger than 10000 times.
The water tolerance experimental data that table four-various embodiments of the present invention record
By each embodiment 1-5 respectively corresponding roller coating to 5 block plate and A, B, C, D, E be of a size of 430mm × 150mm × (4-6) mm without on asbestos cement plate, use together with the excellent each coating of the line of diameter 120 and 80 specifications respectively, roller coating quality is 5.0 ± 0.5g/ block, twice coating duration interval is not less than 6h, after dry 24H, with 45° angle, each plate is tilted to put into the same container that water is housed, water flooding sheet material 2/3,96H after observe paint film and whether have the defects of film coating phenomenon such as whiting, foaming, dry linting, obviously variable color
As apparent from table four can,
The brushing resistance of each embodiment of elasticity stain-resistant exterior wall coating of the present invention can all more than the requirement of the salable product of the standard in JG/T172-2005 " elastic building paint ", and 240H water tolerance is all without exception.
The tint retention test experiments data that table five-various embodiments of the present invention record
Get the elasticity stain-resistant exterior wall coating 20g of each embodiment, add 3% carbon black color paste respectively, phthalocyanine blue mill base, iron oxide red mill base, iron oxide yellow mill base, lemon yellow mill base, bright red mill base, fuchsin mill base stir, and respectively by be adjusted to black, phthalocyanine blue, rust, iron oxide yellow look, lemon yellow, large red, carmetta in size 150mm × 70mm × (4-6) mm without on asbestos cement plate respectively with together with each coating of line rod of diameter 120 and 80 specifications, brushing quality is 0.7 ± 0.1g/ block, and twice coating duration interval is not less than 6h.The test of model is prepared for carbonarius, this look prepares A, B two pieces of models as stated above, and the plate prepared is put in temperature 23 ± 2 DEG C, the environment maintenance of humidity 50 ± 5% 7 days, dry 24H afterwards, getting B plate (remaining 1 block of A plate by the reference plate of the former carbonarius of tune) uses UV-A340 to irradiate value of chromatism Δ E (for qualified, Δ E≤0.5 is outstanding in Δ E≤1.0) after 400 hours between test b plate and reference plate A.Same method testing example 1-5 is to weather-proof guarantor's look value of chromatism Δ E of 7 kinds of colors.
As apparent from table five can,
The value of chromatism Δ E of each embodiment of elasticity stain-resistant exterior wall coating of the present invention all≤0.9 reaches criterion of acceptability, no matter to organic look as phthalocyanine blue, large red, lemon yellow isochrome and inorganic look as carbon black, iron oxide red isochrome all have good weather-proof tint retention, particularly carbon black, iron oxide red, iron oxide yellow, lemon yellow and bright red value of chromatism Δ E all≤0.5, reach a standard of excellence.
Above-mentioned embodiment is just explained in detail technical scheme of the present invention; the present invention has more than and is only confined to above-described embodiment; those skilled in the art should be understood that; every improvement on basis of the present invention according to above-mentioned principle and spirit, substitute, all should within protection scope of the present invention.
Claims (9)
1. an elasticity stain-resistant exterior wall coating, is characterized in that: it is formulated by following quality proportioning by following raw material:
2. elasticity stain-resistant exterior wall coating according to claim 1, is characterized in that:
Described Natvosol is the water dissolvable ether of cellulose of non-ionic type;
Described water-soluble multifunctional auxiliary agent adopts 2-amino-2-methyl-1-propanol;
Described aqueous dispersant adopts hydrophobically modified ammonium polyacrylate dipersant.
3. elasticity stain-resistant exterior wall coating according to claim 2, is characterized in that:
Described aqueous wetting agent adopts oleoyl alkylene oxide block multipolymer;
Described water-based defoamer adopts non-ionic type defoamer or silicone antifoam agent;
Described sterilant adopts Zinc Pyrithione;
Described titanium dioxide is Rutile type Titanium Dioxide.
4. elasticity stain-resistant exterior wall coating according to claim 3, is characterized in that:
Described coating mica powder adopts proportion to be 2.5-2.9g/cm3, and oil number is 16-70, and average specific volume is 34-36, and refractive index is the white plates mica powder of 1.58-1.63;
Described process white employing median size is the barium sulfate powder of 3.0 ± 0.8 μm.
5. elasticity stain-resistant exterior wall coating according to claim 4, is characterized in that:
Described acrylic ester emulsion adopts styrenated acrylic's ester class emulsion.
6. elasticity stain-resistant exterior wall coating according to claim 5, is characterized in that:
The hollow beads polymer emulsion that described benzene emulsion adopts vinylbenzene and acrylic ester copolymerization to close.
7. elasticity stain-resistant exterior wall coating according to claim 6, is characterized in that:
Described wax emulsion adopts oxidation modification polyethylene;
Described film coalescence aid adopts 2,2,4-trimethylammonium-1,3 pentanediol mono isobutyrate.
8. elasticity stain-resistant exterior wall coating according to claim 7, is characterized in that:
Described frostproofer adopts 1,2-PD;
Described fungicidal preservative adopts isothiazolinone disinfecting agent.
9., for the preparation of a preparation method for the elasticity stain-resistant exterior wall coating according to any one of claim 1 ~ 8, it is characterized in that:
The method comprises following step of sequentially carrying out:
(1) 13-17 part water is added in dispersion cylinder, under 350-550r/min rotating speed, add 0.3-0.4 part Natvosol and 0.1-0.2 part water-soluble multifunctional auxiliary agent successively, dispersion 1-3min;
(2) after improving rotating speed to 800-1000r/min, after adding 1.0-1.2 part aqueous dispersant, 0.3-0.5 part aqueous wetting agent, 0.5-0.6 part water-based defoamer, 0.3-0.4 part sterilant, 18-20 part titanium dioxide, 9-13 part coating mica powder and 10-12 part process white successively, again improve rotating speed and disperse 15-20min to 1800-2000r/min rotating speed, detect fineness whether≤60 μm afterwards, if fineness≤60 μm, continue to perform step (3);
(3), after adding 28-33 part acrylic ester emulsion, 1-6 part benzene emulsion, 3-5 part wax emulsion, 1.2-1.5 part film coalescence aid, 1.0-1.2 part frostproofer and 0.2-0.3 part fungicidal preservative successively under reducing rotating speed to 1000-1200r/min rotating speed, 15-20min is even to mixing liquid in dispersion.
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| CN105385272A (en) * | 2015-12-08 | 2016-03-09 | 云南昆惠能通科技有限公司 | Exterior wall paint with high elasticity texture |
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| CN107298917A (en) * | 2017-07-18 | 2017-10-27 | 广州立邦涂料有限公司 | A kind of elastic stain-resistant exterior wall coating and preparation method thereof |
| CN107353741A (en) * | 2017-08-30 | 2017-11-17 | 重庆火烈鸟漆业有限公司 | A kind of black interiro wall latex paint and preparation method thereof |
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