CN101067062B - High performance outer wall paint preparation method - Google Patents
High performance outer wall paint preparation method Download PDFInfo
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- CN101067062B CN101067062B CN2007100284817A CN200710028481A CN101067062B CN 101067062 B CN101067062 B CN 101067062B CN 2007100284817 A CN2007100284817 A CN 2007100284817A CN 200710028481 A CN200710028481 A CN 200710028481A CN 101067062 B CN101067062 B CN 101067062B
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Abstract
The present invention relates to outer wall paint, and is especially one kind of high performance nanometer outer wall paint and its preparation process. The nanometer outer wall paint has introduced organosilicon and fluoro resin to result in watertight coating with high permeation resistance and breathing function, water-thinned resin, nanometer titania particle, dispersing assistant and other assistants to make the paint possess well dispersed nanometer titania particle and excellent photocatalytic self-cleaning function.
Description
Technical field:
The present invention relates to the exterior coating technical field, particularly the preparation method of high performance outer wall paint.
Background technology:
High performance exterior coating mainly has advantages such as high weather resisteant, contamination resistance and high tint retention.High weather resisteant is the basic demand that external wall of high-rise building is decorated, and high dirt resistance is the particular requirement that proposes at the practical situation of China's environmental pollution.Current, China's skin is decorated majority and is also used traditional construction materials such as grouan, mosaic, face brick, aluminium alloy glass, and these materials are the cost height not only, and the hidden danger of falling and hurting sb.'s feelings is arranged, and also is not easy to safeguard renovation.It is reported that each metropolitan external wall of West Europe almost is to use coatings decoration.The ratio of the external wall of Japan and other countries usefulness coatings decoration has stipulated that in national building law such as Singapore, Malaysia Highrise buildings disapproves materials such as using face brick and decorates up to 70%～90%.From now on, China's decorating outer wall of building certainly will be walked the road with paint replacement face brick and mosaic material.
At present, developed in China's exterior wall latex paint and having of coming into operation following several: 1, pure acrylic acid emulsion paint; 2, silicon third emulsion paint, its weather resisteant is better than the pure acrylic acid emulsion paint; 3, aqueous fluorocarbon coating, its weather resisteant is fine, but the price height; 4, solvent type exterior wall coating, weather resisteant is good, but not environmental protection of great majority.
Summary of the invention:
Purpose of the present invention provides the preparation method of high performance outer wall paint; should protect environment and people's health, should have the requirement of high weather resisteant and high dirt resistance at coating, the present invention adopts materials such as introducing organosilicon and fluoro-resin, nano titanium oxide, nano oxidized lithium, nano zine oxide to improve paint film adhesion and water-repellancy, acidproof rain, weather proofing.
For achieving the above object, the present invention adopts following technical scheme:
Each constituent mass part ratio range of this coating is:
Nano material 20%～30% other color stuffings 5%～10%
Polymer emulsion 25%～40% wetting dispersing agent 0.4%～0.8%
Defoamer 0.3%～0.5% thickening material 0.2%～0.3%
Frostproofer 1%～2% film coalescence aid 1%～2%
Hydrophobic auxiliary agent 2%～5%
All the other are water.
Described nano material is dichloride in anatase type TiO
2, rutile type nano TiO
2, one or more mixtures in the nano zine oxide, nano oxidized lithium.
Described other fillers are one or more in kaolin, talcum powder, light calcium carbonate, the zinc sulfide white; Polymer emulsion is one or both mixtures in organosilicon-modified acrylic emulsion, the fluorine carbon emulsion; Thickening material is hydroxylated cellulose or acrylic acid class thickening material.
Described wetting dispersing agent is a polyvinylpyrrolidone; Defoamer is CF-246; Frostproofer is propylene glycol or ethylene glycol; Film coalescence aid is polyvinyl alcohol or acrylic acid; Hydrophobic auxiliary agent is the perfluor silicone resin.
Also include the PH conditioning agent of 0.1%-1% in the described coating.
The preparation method of described coating is as follows: dispersion agent, thickening material, defoamer, frostproofer etc. are dispersed in an amount of water, add successively in proportion then through the good nano material of metatitanic acid fat coupling processing, other color stuffings or its slurry, in dispersion machine high speed dispersed with stirring, after treating evenly, add the emulsion binder of above-mentioned amount, hydrophobic auxiliary agent and film coalescence aid and fully stir, adjust the PH of coating and viscosity at last and reach standard and get final product.
The filmogen of exterior wall latex coating mainly is made up of hydrocarbon polymer, and hydrocarbon bond energy is little, is easy to fracture and causes the degraded of exterior wall latex coating under action of ultraviolet ray.The introducing of nano material can improve its weather resisteant, the coating that uses nano level filler to make, nanoparticle has good shielding and reflecting properties to UV-light, weakened the lighting level cracking of exterior wall latex coating greatly, improved the life-span of exterior wall latex coating greatly, it is presented as: 1, nanoparticle is incorporated in the formulation for coating material, and by dispersion agent and other auxiliary agents and suitable production technique, making nanoparticle can be dispersed into primary particle fully also stably is present in the coating system, do not contain aromatic hydrocarbon composition, compliance with environmental protection requirements in the coating; 2, the nanometer color stuffing adds after pre-treatment in vinylformic acid, organosilicon and the fluoro-resin earlier again, is made into the exterior coating of unique properties through technologies such as dispersion, stirring, mixing, grindings, and coating variability, stability in storage are good; The coating water-repellancy is strong, has splendid sticking power; But the low temperature film forming all can be constructed under any throughout the year weather condition; Coating antipollution and have self-cleaning function, respiratory function, coating can make the acidproof rain of concrete wall surface, weather resistance, color lasting; 3, this product is nontoxic, non-environmental-pollution, and rich color is beautiful, the smooth as silk of metope, the flow leveling brilliance, strong covering power has graceful warm zero diopter decorative effect, is the green building finishing material.
Embodiment:
Composition of raw materials (mass parts):
Organosilicon-modified acrylic emulsion 16%
Fluorine carbon emulsion (containing 5% pure acrylic acid emulsion) 10%
Perfluor silicone resin 3%
Kaolin (3000 order) 5%
Dichloride in anatase type TiO
2(10nm～60nm) 3%
Rutile type nano TiO
2(60nm～80nm) 16%
Silicone antifoam agent CF-246 0.4%
Polyvinylpyrrolidone dispersion agent 0.5%
Hydroxylated cellulose thickening material 0.3%
Polyvinyl alcohol 1.5%
PH conditioning agent 0.2%
Frostproofer propylene glycol 1%
Nano zine oxide 1%
Nano oxidized lithium 0.6%
Water surplus
Wherein, the PH conditioning agent can require to select according to difference.
The preparation method of coating of the present invention is as follows: dispersion agent, thickening material, defoamer, frostproofer etc. are dispersed in an amount of water, add successively in proportion then through the good nano-titanium oxide of metatitanic acid fat coupling processing, other color stuffings, nano zine oxide, nano oxidized lithium or its slurry, in dispersion machine high speed dispersed with stirring, after treating evenly, add the emulsion binder of above-mentioned amount, hydrophobic auxiliary agent and film coalescence aid and fully stir, adjust the PH of coating and viscosity at last and reach standard and get final product.Introduce organosilicon and fluoro-resin, it is waterproof that coating is filmed, and improve its impermeabilisation power, the respiratory function that keeps metope when discharging water is characteristics at this coating, waterproof, moistureproof, effectively prevent " pathology " of metope, damage the defective of exterior wall aesthetic property as greasy dirt, spot, water stain, water spots, the accumulation of salt in the surface soil etc.; The cleaning and the people ' s health of protection environment are coating material production enterprise problem demanding prompt solutions; the present invention adopts the water resin; introduce nano-titania particle; nano-titania particle is incorporated in the formulation for coating material; and by dispersion agent and other auxiliary agents and suitable technology; making nanoparticle can be dispersed into primary particle fully and also stably be present in the coating system, to fully play the catalytic self-cleaning function of nano-titania particle, is another characteristics of this coating.
Claims (3)
1. the preparation method of high performance outer wall paint, it is characterized in that: dispersion agent, thickening material, defoamer, frostproofer are dispersed in an amount of water, add successively in proportion then through the good nano material of metatitanic acid fat coupling processing, other color stuffings or its slurry, in dispersion machine high speed dispersed with stirring, after treating evenly, add polymer emulsion, hydrophobic auxiliary agent and film coalescence aid and fully stir, adjust the pH of coating and viscosity at last and reach standard and get final product; Wherein,
Each constituent mass part ratio range of this coating is:
Nano material 20%～30% other color stuffings 5%～10%
Polymer emulsion 25%～40% wetting dispersing agent 0.4%～0.8%
Silicone antifoam agent 0.3%～0.5% thickening material 0.2%～0.3%
Frostproofer 1%～2% film coalescence aid 1%～2%
Hydrophobic auxiliary agent 2%～5%
All the other are water;
Nano material is dichloride in anatase type TiO
2, rutile type nano TiO
2, the multiple mixture in the nano zine oxide, nano oxidized lithium;
Other color stuffings are one or more in kaolin, talcum powder, light calcium carbonate, the zinc sulfide white; Polymer emulsion is one or both mixtures in organosilicon-modified acrylic emulsion, the fluorine carbon emulsion; Thickening material is hydroxylated cellulose or acrylic thickener.
2. the preparation method of high performance outer wall paint according to claim 1, it is characterized in that: wetting dispersing agent is a polyvinylpyrrolidone; Silicone antifoam agent is CF-246; Frostproofer is propylene glycol or ethylene glycol; Film coalescence aid is polyvinyl alcohol or vinylformic acid; Hydrophobic auxiliary agent is the perfluor silicone resin.
3. the preparation method of high performance outer wall paint according to claim 1, it is characterized in that: coating also includes the pH regulator agent of 0.1%-1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2007100284817A CN101067062B (en) | 2007-06-08 | 2007-06-08 | High performance outer wall paint preparation method |
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| CN2007100284817A CN101067062B (en) | 2007-06-08 | 2007-06-08 | High performance outer wall paint preparation method |
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| CN101067062A CN101067062A (en) | 2007-11-07 |
| CN101067062B true CN101067062B (en) | 2010-12-22 |
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| CN2007100284817A Active CN101067062B (en) | 2007-06-08 | 2007-06-08 | High performance outer wall paint preparation method |
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Address after: 523000 Guangdong Dongcheng Dongcheng Long Road East China Sea industrial zone Dongguan Dongguan topological Industry Co., Ltd. Patentee after: Dongguan Tuopu Industry Co., Ltd. Address before: 523000, Room 601, building B2, overseas Chinese Pioneer Park, Songshan science and Technology Industrial Park, Dongguan, Guangdong Patentee before: Dongguan Tuopu Industry Co., Ltd. |
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Owner name: GUANGDONG TOP-CHINA NANO SCIENCE + TECHNOLOGY CO., Free format text: FORMER OWNER: DONGGUAN TUOPU INDUSTRY CO., LTD. Effective date: 20131218 |
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Effective date of registration: 20131218 Address after: 523000, Guangdong, Dongcheng District, Dongguan Long Road East China Sea industrial zone Guangdong topology Technology Development Co., Ltd. Patentee after: Guangdong topology Technology Development Co., Ltd. Address before: 523000 Guangdong Dongcheng Dongcheng Long Road East China Sea industrial zone Dongguan Dongguan topological Industry Co., Ltd. Patentee before: Dongguan Tuopu Industry Co., Ltd. |