CN105017905A - High-weather-resistance nano-modified haze removal exterior wall coating - Google Patents
High-weather-resistance nano-modified haze removal exterior wall coating Download PDFInfo
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- CN105017905A CN105017905A CN201510494747.1A CN201510494747A CN105017905A CN 105017905 A CN105017905 A CN 105017905A CN 201510494747 A CN201510494747 A CN 201510494747A CN 105017905 A CN105017905 A CN 105017905A
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- exterior coating
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Abstract
The invention discloses a high-weather-resistance nano-modified haze removal exterior wall coating, and belongs to the technical field of chemical engineering coatings. The coating is mainly composed of water, a wetting agent, a dispersing agent, a defoaming agent, propylene glycol, rutile titanium dioxide, precipitated barium sulphate, heavy calcium carbonate, kaolin, a modified nanometer photocatalyst, a non-transparent polymer, elastic emulsion, a film forming agent, an anticorrosive agent and a thickening agent. The weather resistance and stain resistance of the coating are greatly improved; the coating has certain elasticity and can cover fine cracks of a wall; in addition, the coating can decompose harmful nitric oxide and sulfide in the atmosphere and achieve a certain haze removal effect. Various indexes of the coating reach or exceed standards regulated in GB/T9755-2014 about synthetic resin emulsion exterior wall coatings and standards regulated in JB/T172-2014 about elastic building coatings, and the using effect is good.
Description
Technical field
The present invention relates to a kind of coating, particularly a kind of nano modification clean haze high durable exterior coating, belongs to technical field of chemical paint.
Background technology
Along with the development of science and technology, Application of micron is promoted in the middle of coating products coating products performance and be widely used.Abroad, applications to nanostructures starting comparatively early also forms industrialization, as the U.S. by Application of micron in aspects such as the finish paint of insulating material, limousine and military field engineerings, also carried out in the research application for the nano paint such as barrier coating, wear-resistant paint, photoconduction allochroic paint that packaging uses.Japan mainly obtains good effect in photocatalytic self-cleaning coating, electrostatic shielding coating etc.Although Application of micron is started late in coating technology aspect at home, achieve a series of effect, applications to nanostructures can significantly improve the properties such as germ resistance, stain resistant of inner-outer wall building coating.
Current; make a general survey of domestic Building-coating market; most exterior coating products has certain water-repellancy, weathering resistance and contaminated resistance; the effect of effective decoration and protection body of wall can be played; but after product construction; along with the change of physical environment; coating be easily subject to suspending dust in an atmosphere, oily matter pollution and paint film is polluted; being on the rise especially in recent years along with air environmental pollution; the word of haze weather, PM2.5 and so on frequently occurs, closely bound up with our life.Sulfurous gas in air, oxynitride and pellet these three are the chief components of haze.Research shows, micronic dust in air and obnoxious flavour enter the respiratory tract of human body, stimulate and destroy tracheal mucosa, easily cause the respiratory system diseases such as cough, asthma, also larger destructive force can be caused to cardiovascular and cerebrovascular chronic diseases patient, as easily increased the heart burden of cardiac, bring out cerebral infarction etc.Haze weather has had a strong impact on our daily life.
Therefore study and a kind ofly there is good weather-proof, water-fast, contaminated resistance and can to play certain clean organic exterior coating of haze effect Sum decomposition wall attached significant.
Summary of the invention
The object of this invention is to provide a kind of nano modification clean haze high durable exterior coating, this exterior coating not only has good weather-proof, water-fast and contaminated resistance and certain elasticity, and can play purification haze and effectively decompose the organic superperformance of wall attached.
Concrete component and the part by weight of a kind of nano modification clean haze high durable exterior coating are: water: 10%-15%; Wetting agent: 0.1%-0.2%; Dispersion agent: 0.4%-0.8%; Defoamer: 0.3%-0.6%; Propylene glycol: 1.5%-3.0%; Rutile type Titanium Dioxide: 20%-25%; Process white: 5%-8%; Water-ground limestone: 5%-8%; Kaolin: 3%-5%; Modified Nano photocatalyst: 0.1%-0.2%; Opacifying polymers: 3%-5%; Elastic emulsion: 35%-40%; Film coalescence aid: 0.8%-1.5%; Sanitas: 0.1%-0.2%; Thickening material: 0.6%-1.0%.
The modified Nano photocatalyst used in the present invention is a kind of photocatalyst nano titanium oxide (TiO with superactivity
2), it is little that it has particle diameter, the feature that specific surface area is large, relative to common nano titanium oxide (TiO
2) photocatalyst is to the Selective absorber of light there being very large improvement.Common nano titanium oxide (TiO
2) photocatalyst only just has photocatalytic activity under UV-light (190-380nm) condition, has certain limitation.Can there is light-catalyzed reaction in modified Nano photocatalyst, the electrons of valence band is excited on conduction band under the condition of nature visible ray (400-800nm), thus in valence band and conduction band, produce highly active hole (h respectively
+) and electronics (e
-), and be adsorbed on titanium dioxide (TiO
2) surface O
2and H
2there is the reaction of some row in O:
TiO
2+hv→TiO
2+h
++e
-
H
2O+h
+→OH+H
+
O
2+e
-→O
2 -
O
2 -+H
+→HO
2
2HO
2→O
2+H
2O
2
H
2O
2+O
2 -→OH+OH
-+O
2
Hydroxyl radical free radical (-OH), Superoxide anion free radical (O
2 -) and H
2o free radical all has very strong oxidative decomposition capacity, can by the sulfide (SO in air
x), oxynitride (NO
x) and the oiliness organism that is attached to body of wall be direct oxidation into CO
2and H
2the inorganic molecules such as O, thus play clean haze effect; Also effectively can decompose the oiliness organic substance be attached on body of wall simultaneously, thus greatly improve the stain resistant effect of coating.
Further, described elastic emulsion is self-cross linking type pure acrylic acid series of elastic emulsion.
Further, described Rutile type Titanium Dioxide is the Rutile type Titanium Dioxide that chlorination process makes.
Further, described dispersion agent is low-molecular-weight polypropylene amine acid salt.
Further, described wetting agent is modified polyorganosiloxane.
Further, described defoamer is non-ionic type mineral oil.
Further, described Opacifying polymers is hollow beads polymer emulsion.
Further, described thickening material is newton-type nonionic polyoxyalkylene class rheology modifier and the swelling class thickening material of alkali.
Beneficial effect of the present invention: weather-proof, stain resistant, the water resistance that substantially increase coating products, have certain elasticity, effectively can hide the tiny crackle of body of wall, meet the Practical Performance of product; And the use of modified Nano photocatalyst, enables product issue third contact of a total solar or lunar eclipse catalyzed reaction in the irradiation of natural light, effectively can decompose the oxynitride in air and sulfide, certain clean haze effect can be played.
Embodiment
Here is specific embodiments of the invention.
Embodiment I
A kind of nano modification clean haze high durable exterior coating, comprise the raw material composition of following parts by weight: deionized water 10 parts, modified polyorganosiloxane 0.1 part, 0.8 part, low-molecular-weight polypropylene amine salt, the nonionic mineral oil of 0.6 part, propylene glycol 3 parts, Rutile type Titanium Dioxide 25 parts, process white 8 parts, water-ground limestone 5 parts, kaolin 5 parts, modified Nano photocatalyst 0.2 part, Opacifying polymers 5 parts, pure acrylic acid class elastic emulsion 35 parts, film coalescence aid 1.5 parts, sanitas 0.2 part, polyethers rheological agent and the swelling class thickening material of alkali 0.6 part.
Embodiment II
A kind of nano modification clean haze high durable exterior coating, comprise the raw material composition of following parts by weight: deionized water 13 parts, modified polyorganosiloxane 0.2 part, 0.4 part, low-molecular-weight polypropylene amine salt, 0.3 part, nonionic mineral oil, propylene glycol 2 parts, Rutile type Titanium Dioxide 23 parts, process white 5 parts, water-ground limestone 7 parts, kaolin 4 parts, modified Nano photocatalyst 0.2 part, Opacifying polymers 3 parts, pure acrylic acid class elastic emulsion 40 parts, film coalescence aid 0.8 part, sanitas 0.1 part, polyethers rheological agent and the swelling class thickening material of alkali 1 part.
Embodiment III
A kind of nano modification clean haze high durable exterior coating, comprise the raw material composition of following parts by weight: deionized water 15 parts, modified polyorganosiloxane 0.2 part, 0.6 part, low-molecular-weight polypropylene amine salt, 0.5 part, nonionic mineral oil, propylene glycol 1.5 parts, Rutile type Titanium Dioxide 20 parts, process white 7 parts, water-ground limestone 8 parts, kaolin 3 parts, modified Nano photocatalyst 0.1 part, Opacifying polymers 4 parts, pure acrylic acid class elastic emulsion 38 parts, film coalescence aid 1.2 parts, sanitas 0.1 part, polyethers rheological agent and the swelling class thickening material of alkali 0.8 part.
Its indices of nano modification clean haze high durable exterior coating made according to the present invention all reaches and is better than the requirement of GB/T9755-2014 about exterior wall coating material of synthetic resin emulsion and JG/T172-2014 elastic building paint defined, weathering resistance and the contaminated resistance of product are greatly improved, and due to modified nano-titanium dioxide (TiO
2) photocatalysis, make product have clean haze effect, effectively can to decompose in air harmful oxynitride NO
xwith sulfide SO
x, and the oiliness organism be attached on body of wall can be decomposed thoroughly, to substantially increase exterior coating product work-ing life, saved cost.Customers' responsiveness is respond well.
Claims (9)
1. a nano modification clean haze high durable exterior coating, is characterized in that, described nano modification clean haze high durable exterior coating comprises the composition of following weight percent:
2. a kind of nanometer modified photocatalytic clean haze high durable exterior coating according to claim 1, it is characterized in that, described modified Nano photocatalyst is modified nano-titanium dioxide (TiO
2).
3. a kind of nanometer modified photocatalytic clean haze high durable exterior coating according to claim 1, it is characterized in that, described elastic emulsion is the elastic emulsion of self-cross linking type pure acrylic acid series.
4. a kind of nanometer modified photocatalytic clean haze high durable exterior coating according to claim 1, is characterized in that, described Rutile type Titanium Dioxide is the Rutile type Titanium Dioxide that chlorination process makes.
5. a kind of nanometer modified photocatalytic clean haze high durable exterior coating according to claim 1, it is characterized in that, described dispersion agent is low-molecular-weight polypropylene amine acid salt dispersion agent.
6. a kind of nanometer modified photocatalytic clean haze high durable exterior coating according to claim 1, it is characterized in that, described wetting agent is modified polyorganosiloxane.
7. a kind of nanometer modified photocatalytic clean haze high durable exterior coating according to claim 1, it is characterized in that, described defoamer is non-ionic type mineral oil.
8. a kind of nanometer modified photocatalytic clean haze high durable exterior coating according to claim 1, it is characterized in that, described Opacifying polymers is hollow beads polymer emulsion.
9. a kind of nanometer modified photocatalytic clean haze high durable exterior coating according to claim 1, it is characterized in that, described thickening material is newton-type nonionic polyoxyalkylene class rheology modifier and the swelling class thickening material of alkali.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510494747.1A CN105017905A (en) | 2015-08-13 | 2015-08-13 | High-weather-resistance nano-modified haze removal exterior wall coating |
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|---|---|---|---|
| CN201510494747.1A CN105017905A (en) | 2015-08-13 | 2015-08-13 | High-weather-resistance nano-modified haze removal exterior wall coating |
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ID=54408224
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| CN201510494747.1A Pending CN105017905A (en) | 2015-08-13 | 2015-08-13 | High-weather-resistance nano-modified haze removal exterior wall coating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368219A (en) * | 2015-12-22 | 2016-03-02 | 青岛博泰美联化工技术有限公司 | Elastic coating for exterior walls of buildings |
| CN105400345A (en) * | 2015-12-07 | 2016-03-16 | 三棵树涂料股份有限公司 | Computerized color mixing external wall flat-coating basic shallow-foundation paint and preparation method thereof |
| CN105462313A (en) * | 2015-12-15 | 2016-04-06 | 三棵树涂料股份有限公司 | High-stain-resistance elastic and round-shaped broom-finish emulsion paint and preparation method thereof |
| CN107876023A (en) * | 2017-11-13 | 2018-04-06 | 陕西科技大学 | A kind of humic acid is except haze solid-state functional preparation and its preparation method and application |
| CN107936711A (en) * | 2017-11-13 | 2018-04-20 | 青岛卓森纳生物工程有限公司 | A kind of anti-haze macromolecule environmental protection coating material |
| CN107955463A (en) * | 2017-11-13 | 2018-04-24 | 青岛卓森纳生物工程有限公司 | A kind of anti-haze environmental protection coating material of asphalt base carbon fiber |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105400345A (en) * | 2015-12-07 | 2016-03-16 | 三棵树涂料股份有限公司 | Computerized color mixing external wall flat-coating basic shallow-foundation paint and preparation method thereof |
| CN105462313A (en) * | 2015-12-15 | 2016-04-06 | 三棵树涂料股份有限公司 | High-stain-resistance elastic and round-shaped broom-finish emulsion paint and preparation method thereof |
| CN105368219A (en) * | 2015-12-22 | 2016-03-02 | 青岛博泰美联化工技术有限公司 | Elastic coating for exterior walls of buildings |
| CN107876023A (en) * | 2017-11-13 | 2018-04-06 | 陕西科技大学 | A kind of humic acid is except haze solid-state functional preparation and its preparation method and application |
| CN107936711A (en) * | 2017-11-13 | 2018-04-20 | 青岛卓森纳生物工程有限公司 | A kind of anti-haze macromolecule environmental protection coating material |
| CN107955463A (en) * | 2017-11-13 | 2018-04-24 | 青岛卓森纳生物工程有限公司 | A kind of anti-haze environmental protection coating material of asphalt base carbon fiber |
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Application publication date: 20151104 |