CN1133703C - Latex outer wall paint and its preparation process - Google Patents
Latex outer wall paint and its preparation process Download PDFInfo
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- CN1133703C CN1133703C CNB011075414A CN01107541A CN1133703C CN 1133703 C CN1133703 C CN 1133703C CN B011075414 A CNB011075414 A CN B011075414A CN 01107541 A CN01107541 A CN 01107541A CN 1133703 C CN1133703 C CN 1133703C
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- paint
- color stuffing
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Abstract
The present invention relates to latex external wall paint which is prepared from a color filler, nanometer particles, an auxiliary agent A, an auxiliary agent B, a polymer emulsion, an auxiliary agent C and water. A preparation method of the paint comprises the following steps: a dispersing agent is added in the water, and pH values of the solution is regulated into 7.5 to 9.5; the nanometer color filler is added, the obtained mixture is stirred and is prepared into a solution containing 1.0 to 9.0 wt% of nanometer color filler; the rest components for the paint are added, and the paint of the present invention is prepared by dispersion, stirring, mixing, grinding, color matching, etc. The nanometer color filler is added in the paint of the present invention in order to absorb and reflect ultraviolet light to protect resin against photolysis, which leads that the latex paint is durable.
Description
Technical field
The present invention relates to paint field, particularly pretreated nanometer color stuffing is joined in the coating, to absorb and light reflection ultraviolet, the protection resin exempts from photolysis, makes latex outer wall paint of high weather resisteant and preparation method thereof.
Background technology
Traditional emulsion for architecture coating is that organic resin (main film forming substance), pigment, filler, auxiliary agent etc. are formulated through technologies such as dispersion, stirring, mixing, grindings; this emulsion for architecture coating weathering resistance is undesirable; its major cause is that materials such as color stuffing are poor to ultraviolet shielding properties; the filmogen resin that can not adequately protect exempts from photolysis; destroy the c h bond of resin, make the lost of life of latex coating.
Summary of the invention
The object of the present invention is to provide a kind of latex outer wall paint, add the nanometer color stuffing in coating, to absorb and light reflection ultraviolet, the protection resin exempts from photolysis, makes latex coating durable in use.
The present invention also aims to provide a kind of preparation method of latex outer wall paint.
Latex outer wall paint weight of the present invention is composed as follows:
Yan Tian material 25～35%
Nano-TiO
22.5～4%
Auxiliary agent A 1.6～1.9%
Auxiliary agent B 0.6～1.0%
Polymer emulsion 35～55%
Auxiliary agent C 3～6%
Water all the other
Color stuffing is titanium dioxide, talcum powder, kaolin, water-ground limestone, light calcium carbonate etc., and the pigment Rutile type Titanium Dioxide has good weather resisteant energy, and its optimum amount is 19～25%; The use of filler not only can reduce cost, and can give filler some special performances, make coating have certain thixotropy as kaolinic sheet structure, thereby improve the storage stability of coating, wherein talcum powder has the coating of preventing sagging and absorb flexible stress, minimizing crack and hole function in the morning etc. in filming, but the consumption of filler is unsuitable excessive, is the best between 25～35% with the pigment volume concentration (PVC) (PVC) of guarantee system.
Nano-TiO
2UV-light there are good shielding properties and reflecting properties, nano-TiO
2Size generally at 1～100nm (10
-9Rice) between, be in the transitional region that cluster and macro object have a common boundary, the both atypical microsystem of nanometer system, also atypical meta system is that a kind of typical Jie sees system; Nano-TiO
2Another characteristic is easy reunion, not close organic phase.If it is not carried out pre-treatment, nano-TiO
2Just can not be evenly dispersed between the binder resin, not reach the purpose that weakens ultraviolet lighting; Nano-TiO
2Consumption very crucial, as add quantity not sufficient, then do not have the effect of expection; But dosage is too much, is not only a kind of waste, can play side effect on the contrary, and quality product is descended, and its optimum amount is 3～4%.
Auxiliary agent A is general defoamer, dispersion agent, thickening material, flow agent etc., the thickening material COATEX 125P of defoamer BYK-022, the BYK-024 of for example German BYK company and dispersant B YK-154, French COATEX company and flow agent COAPUR 3025 etc., its effect color stuffing is effectively disperseed and form one stable, the coating system of defective such as no bubble and no levelling are bad.Preferred dispersing agent of the present invention is a kind of polypyrrole alkane ketone hyper-dispersant, and as the hyper-dispersant SUPER PB-1 and the PB-2 of Guangzhou Nan worker's chemical industry company limited development, it can not only effectively disperse color stuffing commonly used, can also disperse effectively and stabilized nanoscale TiO
2, its optimum amount is that the color stuffing total amount (comprises nano-TiO
2) 0.2-0.3% (to do solids constituent), consumption is crossed the water resistance that the conference influence is filmed.
Auxiliary agent B is general mould inhibitor, sterilant etc., 3,5-dimethylphenyl sulfonyl amine antimildew disinfectant Preventol A4 of the fine class antimildew disinfectant of benzene diformazan NopcocideN-96 between the tetrachloro of the Kathon LXE of Rohm and Haas company and Roaone 2000, German Henkel company, German Baye company etc. for example, its effect be prevent in the coating storage process become morally degenerate and application after the mildew of filming.
Polymer emulsion is vinylformic acid, aqueous polyurethane, vinylformic acid organosilicon, fluoro-resin etc., and its effect is to form satisfactory filming.
Auxiliary agent C is a frostproofer, help the knot agent, PH conditioning agent etc., for example ethylene glycol and propylene glycol frostproofer, the pure ethers TEXANOL of U.S. EASTMAN company helps the interior lipid pH value conditioning agent AMP-95 of a kind of lower molecular weight organic amino of knot agent, ammoniacal liquor and U.S. ANGUS company, and its effect is respectively freeze-thaw stability, the help film forming that increases coating and regulates the stability of the pH value of coating with the increase coating system.
The preparation method of latex outer wall paint of the present invention comprises
---dispersion agent is added in the entry regulator solution pH value to 7.5～9.5;
---add nano level color stuffing and stirring, make the solution that contains 1.0～9.0% weight nano level color stuffings;
---add all the other components of coating, through disperseing, stir, mix, grind, toning etc. makes product.
Its top condition is
---the amount that adds dispersion agent is 0.6～1.0% of the water yield, and the PH of solution is 7.5～8.0;
---add nano level color stuffing and stirring, make the also solution of 2.5～4.0% weight nano level color stuffings.
Principle of the present invention is: the filmogen of exterior wall latex coating (organic resin-macromolecular compound) mainly is made up of hydrocarbon polymer, and hydrocarbon bond energy is little, is easy to fracture under the irradiation of UV-light, causes exterior wall latex coating degraded (cracking).In order to improve the weathering resistance of coating, use the nano level color stuffing to make coating, because nano-TiO
2UV-light there are good shielding properties and reflecting properties, greatly weaken the photo-cleavage of meeting exterior wall latex coating coating, the work-ing life of improving the exterior wall latex coating greatly.
The present invention's advantage compared with prior art is:
1, with nano-TiO
2Introduce in the road formulation for coating material, and by means of dispersion agent and other auxiliary agents, and suitable production technique, make nano-TiO
2Can be dispersed into primary particle fully and stably be present in the coating system; Coating aromatic free composition, compliance with environmental protection requirements.
2, nano dye, filler join after pre-treatment in organic resin (vinylformic acid, aqueous polyurethane, vinylformic acid organosilicon, fluoro-resin etc.) and the auxiliary agent earlier again, and make the exterior coating of unique properties through technologies such as dispersion, stirring, mixing, grindings: coating has thixotropy, stability in storage is good; Coating waterproof, mildew-resistant have sticking power capitally; But low temperature Cheng Mo all can construct under any throughout the year weather condition; Coating antipollution and have self-cleaning, respiratory function, coating can prevent the concrete wall surface carbonization; The acidproof rain of coating, weather resistance, color are lasting; The coating weather resistance is more than 13 years.
Exterior wall latex coating salient features of the present invention: the anti-artificial accelerated aging time is 1300～1500 hours, is equivalent to 13-15 in work-ing life, and the scrubbing resistance number of times does not go mouldy greater than 10000 times.
The invention will be further described below by embodiment.
Embodiment
Embodiment 1
Prescription is (100 kilograms of meters of gross weight): 12.3 kilograms in tap water, 0.5 kilogram of SUPER BP-1 wetting dispersing agent, 25 kilograms of Rutile type Titanium Dioxides (0.20 μ m), nano-TiO
2(60-80nm) 2.5 kilograms, 0.3 kilogram of the BYK-022 defoamer of German company, 0.3 kilogram of Natvosol thickening material, 0.5 kilogram of association type polyurethane thickener COATEX 125P, 0.3 kilogram of PH conditioning agent AMP-95,0.4 kilogram of sterilant Kathon LXE, 2,000 0.2 kilograms of mould inhibitor Rozone, 1 kilogram of frostproofer propylene glycol helps 1.7 kilograms of knot agent TEXANOL, 55 kilograms of organosilicon-modified acrylic emulsions.The blending process step is: 1. at first disperse to add in the cylinder dispersion medium water at stainless steel, start stirrer, accurately take by weighing various materials by prescription then, under stirring state, add wetting dispersing auxiliary, 2/3 defoamer, thickening material A, frostproofer, Rutile type Titanium Dioxide and nano-TiO
2, low speed (150-500 rev/min) stirred 5 minutes.2. (1000-1200 rev/min) dispersion at a high speed in homogenizer.The color stuffing particle is dispersed into simple particle under the high shear rate effect of homogenizer, because of the high shear forces of dispersion machine, the temperature in the cylinder rises to 50 ℃ simultaneously.Check the fineness of slurry, after 25 minutes, the fineness of pigment slurry is less than 20 μ m in high speed dispersion.Turn down rotating speed, so that paint.3. paint.The slurry of 2. gained is shifted in the road paint mixing tank, under low speed (150-500 rev/min), add polymer emulsion, part defoamer, PH conditioning agent, an amount of thickening material B and C successively, help and tie agent and other auxiliary agents, paint.Can add an amount of versicolor color paste toning as requested, that the user needs to make, the bright and colourful interior wall coating that gets.By this process, obtained having suitable viscosity and closed good stability and get coating.4. adopt vibratory screening apparatus overanxious, remove gritty particle and reach the color stuffing particle that does not reach fineness.5. b packs.As requested coating is contained in the Lacquered Tin Plate Can of different volumes, promptly obtains nano composite external wall latex coating latex coating of the present invention.This product is nontoxic, non-environmental-pollution, and rich color is beautiful,, the sliding as silk of lacquer painting children exactly likes the solvent-borne type alkyd varnish, the flow leveling brilliance; Strong covering power has graceful half warm light decorative effect, belongs to the environmental type building and ornament materials. and after testing, this coating has good water-alkali resistance performance, and its anti-artificial accelerated aging time of filming is 1560 hours, is equivalent to 15 years work-ing life; The scrubbing resistance number of times is greater than 10000 times; Place 2 months (be equivalent to the warehouse and deposited for 1 year) in the condition of constant temperature 50, not stratifiedly do not lump, have good preservation stability.
Embodiment 2
Certain newly-built villa district, to promote the healthy of resident in order beautifying the environment, to adopt foundation of a nation product to carry out external-wall coating. filling a prescription is (gross weight is in 100 kilograms): 22.2 kilograms in tap water, 0.5 kilogram of SUPER BP-1 wetting dispersing agent, 21 kilograms of Rutile type Titanium Dioxides (0.20 μ m), nano-TiO
2(60～80nm) 4 kilograms, 5 kilograms of kaolin (1250 order), 4 kilograms of talcum powder (1000 order), 0.4 kilogram of BYK-024 defoamer, 0.2 kilogram of Natvosol thickening material, 0.8 kilogram of association type polyurethane thickener, 0.2 kilogram of pH regulator agent AMP-95,0.6 kilogram of sterilant Kathon LXE, mould inhibitor Rozone0.3 kilogram, the frostproofer propylene glycol helps 2 kilograms of knot agent, 35 kilograms of pure acrylic acid emulsions for 3.8 kilograms.The tap water that adds 10% latex coating amount during construction stirred 15 minutes, and it is mixed, and can use.Before brushing paint, interior wall is clean, smooth and exsiccant, has scraped on it and has been wiped with putty, and used sand papering smooth.Adopt synthetic scrub-brush brush application.The coating that brushing the present invention makes, the sliding as silk of lacquer painting children, the flow leveling brilliance is brushed easyly, and the alkali resistant mildew resistance is strong, uses superior performances such as colour-fast, anti-contamination, scrubbing resistance for a long time.The engineering completion was checked to the building site after 1 year, the temple face is light as new still, the excellent in durability of filming, coating stands Exposure to Sunlight, drenches with rain, the erosion of wind, freezing and various chemical substances, still can protect light and protect look, do not peel off, do not damage, have good alkaline-resisting, anti-industrial gaseous waste, UV resistant, anti-mould, anti-contamination, high-performances such as scrubbing resistance.
Embodiment 3
Certain distinguishes several buildings, and almost at one time: A with this NEW TYPE OF COMPOSITE exterior wall latex coating, B the composite exterior wall latex coating with certain manufacturer production.A used latex paint formulations is (gross weight is in 100 kilograms): 16 kilograms in tap water, 0.5 kilogram of SUPER BP-1 wetting dispersing agent, 19 kilograms of Rutile type Titanium Dioxides (0.20 μ m), (60～80nm) 3 kilograms of nano titanium oxides, 6 kilograms of kaolin (1250 order), 5 kilograms of talcum powder (1000 order), 5 kilograms in lime carbonate (1250 order), 0.4 kilogram of defoamer BYK-022,0.3 kilogram of hydroxypropylcellulose thickening material, 0.4 kilogram of association type polyurethane thickener, 0.4 kilogram of PH conditioning agent AMP-95,0.7 kilogram of sterilant Kathon LXE, mould inhibitor Rozone0.3 kilogram, 2.4 kilograms of frostproofer propylene glycol help 1.2 kilograms of knot agent TEXANOL, 39.4 kilograms of organosilicon-modified acrylic emulsions.The tap water that adds 20% latex coating amount during construction stirred 15 minutes, and it is mixed, and just can use.Before brushing paint, exterior wall is through levelling glue levelling and polishing, and metope is clean, smooth and exsiccant.Adopt synthetic scrub-brush brush application.Engineering completion is observed after half a year, is wounded in action (lines and the mottle that are bonded to by dust) in B exterior wall many places, and A exterior wall light as before, can't see any mottle and the lines of being wounded in action.
Claims (5)
1. a latex outer wall paint is characterized in that weight is composed as follows: color stuffing 25-35%, nano-TiO
22.5-4%, auxiliary agent A 1.6-1.9%, auxiliary agent B 0.6-1.0%, polymer emulsion 35-55%, auxiliary agent C3-6%, all the other are water; Wherein auxiliary agent A is defoamer, dispersion agent, thickening material or flow agent; Auxiliary agent B is anti-enzyme agent or sterilant; Auxiliary agent C is frostproofer, helps and tie agent or PH conditioning agent.
2, latex outer wall paint according to claim 1 is characterized in that color stuffing is 19-25%.
3, latex outer wall paint according to claim 1 is characterized in that nano-TiO
2Be 3-4%.
4, a kind of preparation method of latex outer wall paint as claimed in claim 1 is characterized in that comprising
---dispersion agent is added in the entry, and the regulator solution pH value is to 7.5-9.5;
---add color stuffing and stirring, make the solution that contains 1.0-9.0% weight color stuffing;
---add all the other components of coating, through disperseing, stir, mix, grind, toning makes product; The weight of described each component of coating is composed as follows: color stuffing 25-35%, nano-TiO
22.5-4%, dispersion agent 1.6-1.9%, auxiliary agent B 0.6-1.0%, polymer emulsion 35-55%, auxiliary agent C3-6%, all the other are water.
5, the preparation method of latex outer wall paint according to claim 4 is characterized in that
---the amount that adds dispersion agent is the 0.6-1.0% of the water yield, and the PH of solution is 7.5-9.5;
---add color stuffing and stirring, make the solution that contains 2.5-4.0% weight color stuffing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011075414A CN1133703C (en) | 2001-02-19 | 2001-02-19 | Latex outer wall paint and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011075414A CN1133703C (en) | 2001-02-19 | 2001-02-19 | Latex outer wall paint and its preparation process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1308103A CN1308103A (en) | 2001-08-15 |
| CN1133703C true CN1133703C (en) | 2004-01-07 |
Family
ID=4656462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011075414A Expired - Fee Related CN1133703C (en) | 2001-02-19 | 2001-02-19 | Latex outer wall paint and its preparation process |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445338C (en) * | 2003-03-24 | 2008-12-24 | 深圳市海川实业股份有限公司 | Hydrophobic phthalo cyanine green water color paste |
| CN100384953C (en) * | 2003-03-25 | 2008-04-30 | 深圳市海川实业股份有限公司 | Hydrophobic titanium white water color paste |
| CN100398616C (en) * | 2003-07-21 | 2008-07-02 | 深圳市海川实业股份有限公司 | Hydrophobic organic orange aqueous color paste |
| CN100349998C (en) * | 2003-09-29 | 2007-11-21 | 上海富臣化工有限公司 | Fluoro resin curtain-imitating wall paint |
| CN103131269B (en) * | 2012-08-06 | 2015-09-16 | 上海三银制漆有限公司 | A kind of synthetic resin emulsion wallcovering and preparation method thereof |
| CN103409023A (en) * | 2013-08-13 | 2013-11-27 | 浙江志强涂料有限公司 | Aqueous high weather-proof matt exterior wall emulsion paint and preparation method thereof |
| CN103525138B (en) * | 2013-08-27 | 2016-01-27 | 东莞市明天纳米科技有限公司 | A kind of Nano-photocatalyst air-purification wall paint and preparation method thereof |
| CN104877505A (en) * | 2015-06-15 | 2015-09-02 | 合肥启华环保科技有限公司 | Anti-ultraviolet external wall insulation latex paint and preparation method thereof |
| CN106398363A (en) * | 2015-07-29 | 2017-02-15 | 天津佳华炜业建材科技有限公司 | Self-cleaning type external wall coating material having hydrophobic function and preparation method thereof |
| CN111410878A (en) * | 2019-01-08 | 2020-07-14 | 立邦涂料（中国）有限公司 | Water-based paint composition capable of reducing asthma and allergy |
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2001
- 2001-02-19 CN CNB011075414A patent/CN1133703C/en not_active Expired - Fee Related
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| CN1308103A (en) | 2001-08-15 |
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