CN104497858A - Nano super weather-resistant fireproof coating - Google Patents
Nano super weather-resistant fireproof coating Download PDFInfo
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- CN104497858A CN104497858A CN201410777302.XA CN201410777302A CN104497858A CN 104497858 A CN104497858 A CN 104497858A CN 201410777302 A CN201410777302 A CN 201410777302A CN 104497858 A CN104497858 A CN 104497858A
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Abstract
The invention provides a nano super weather-resistant fireproof coating which is prepared from the following components in percentage by weight: 15-21% of water, 0.1-0.2% of a sterilizing agent, 0.3-0.6% of a dispersant, 0.15-0.3% of a wetting agent, 2-3% of a defoaming agent, 14-20% of titanium dioxide, 8-10% of nano TiO2, 7-10% of kaolin, 10-16% of an organic silicone emulsion, 20-35% of an antifreezing agent, 0.05-0.08% of a coalescing agent, 3.5-5% of a flame retardant, 0.4-0.6% of a flatting agent, a proper amount of a pH adjustor and a proper amount of a thickener. The invention aims to provide a surface coating for an exterior wall of a building. The coating is good in permeability, high in elasticity, anti-cracking, excellent in alkali resistance and water resistance and extremely good in weather resistance. By adopting a function of photocatalytic activity of TiO2, the coating has the advantages of high stability, no toxicity and environment-friendliness, low price and the like, is extremely excellent in scrubbing resistance and stain resistance, and can be used for effectively preventing mildew due to great air humidity of the environment and degrading contacted bacteria and organic pollutants, so that the increasing serious environmental pollution is solved.
Description
Technical field the present invention relates to a kind of coating, and particularly the water-borne coatings of a kind of weathering resistance for skin surface, photocatalytic activity, the performance such as fire-retardant, belongs to technical field of chemical paint.
Background technology is in the inflammable phenomenon in building field ubiquity skin surface, and fire shows no mercy, and fire-resisting protection wall body structure is a task of newly tackling key problems especially.Therefore the super weather-proof frie retardant coating of nanometer with flame retardant resistance is developed significant.
Summary of the invention the object of this invention is to provide a kind of skin topcoating, and this coating has good permeability, snappiness cracking resistance, excellent alkali resistance, water tolerance, fabulous weathering resistance; Adopt the photocatalytic activity function of nano TiO 2, make film have active high, good stability, asepsis environment-protecting, the advantage such as cheap, its scrubbing resistance, contaminated resistance are splendid; Can effectively prevent metope from producing mildew because residing ambient air humidity is large, the bacterium of degraded contact and organic pollutant, solve day by day serious contaminate environment.
Concrete component and the part by weight of the super weather-proof frie retardant coating of a kind of nanometer of the present invention are:
Water 15-21%; Sterilant: 0.1-0.2%; Dispersion agent: 0.3-0.6%; Wetting agent: 0.15-0.3%; Defoamer: 2-3%; Titanium dioxide: 14-20%; Nano TiO 2: 8-10%; Kaolin: 7-10%; Organic silicon emulsion: 10-16%; Frostproofer: 20-35%; Film coalescence aid: 0.05-0.08%; Fire retardant: 3.5-5%; Flow agent: 0.4-0.6%; PH value conditioning agent: appropriate; Thickening material: appropriate.
Kaolin used in the present invention, its refractoriness is high, can reach 1770 ~ 1790 DEG C.In, low plasticity, the insulativity that tool is good and chemical stability, the physico-chemical properties such as good resistivity against fire.Have that whiteness is high, matter is soft, easy dispersion suspension in water, good plasticity-and high cohesiveness, excellent electrical insulation capability; There is the physico-chemical property such as good antiacid dissolubility, very low cation exchange capacity, preferably resistivity against fire.Chemical stability is good, fire-retardant.
Rutile titanium white powder used in the present invention, maintains crystalline structure fine and close and stable, stronger opacifying power and reducing power, has exterior durability dispersed and good preferably.The opacifying power of its performance and film, weathering resistance and chalking resistance close relation.
The object of the invention is the photocatalytic activity by nano TiO 2, the pollutent of degraded skin coating and objectionable impurities, both strong ageing resistance and the opacifying power of this coating had been played, the performance that outstanding embodiment is fire-retardant again, guarantor's look gloss retention of film is good, under optical effect, make exterior wall nano-antibacterial frie retardant coating produce photocatalytic self-cleaning, formed and there is nano self-cleaning antimicrobial form frie retardant coating.
In general, nano TiO 2 due to its there is active high, good stability, water-fast, alkaline-resisting, strong, the mould proof property of stain resistant, flame retardant resistance is strong, the advantage such as nontoxic, cheap, it is current most widely used photocatalyst material, and be successfully applied to a lot of field, as the fields such as building such as revetment of sanitary ware, optical instruments, coating, glass, motorway, effect is better.
It is an example of the present invention below embodiment.Composition (weight percent) and the production technique of the super weather-proof frie retardant coating of a kind of nanometer of the present invention are:
Low speed adds the water of 16% successively with per minute 200 ~ 400 turns, the sterilant of 0.1%, the dispersion agent of 0.5%, the wetting agent of 0.2%, the defoamer of 2.25%, after 10 minutes stir, add the titanium dioxide of 20% more successively, the TiO2 of 9%, after the kaolin of 8%, carry out high speed 1200 turns/min to operate 30 minutes, low speed adds the organic silicon emulsion of 12% successively again, the frostproofer of 27%, the film coalescence aid of 0.05%, the fire retardant of 4.5%, the flow agent of 0.4%, appropriate pH value conditioning agent and thickening material, turn with per minute 600-800 afterwards and carry out stirring 40 minutes, eventually pass inspection, filter, to weigh packaging.
According to the super weather-proof frie retardant coating of a kind of nanometer used for building exterior wall that the present invention makes, its indices all reaches outer wall water-based coating GB/T9755-2001 standard, about the requirement of exterior coating defined, the super weather-proof frie retardant coating of this exterior wall nanometer integrates multiple function, there is photocatalytic activity, degradable is coated with membrane contaminant and objectionable impurities, antibacterial fire-proof function, strong covering power, chemical stability is good, is not hydrolyzed, and tint retention is good, the magnificent metope life-span can be extended lastingly, without mould environmental protection, nuisanceless.
Claims (3)
1. the concrete component of the super weather-proof frie retardant coating of a kind of nanometer of the present invention and part by weight are:
Water 15-21%; Sterilant: 0.1-0.2%; Dispersion agent: 0.3-0.6%; Wetting agent: 0.15-0.3%; Defoamer: 2-3%; Titanium dioxide: 14-20%; Nano TiO 2: 8-10%; Kaolin: 7-10%; Organic silicon emulsion: 10-16%; Frostproofer: 20-35%; Film coalescence aid: 0.05-0.08%; Fire retardant: 3.5-5%; Flow agent: 0.4-0.6%; PH value conditioning agent: appropriate; Thickening material: appropriate.
2. the super weather-proof frie retardant coating of a kind of nanometer according to claim 1, it is characterized in that the photocatalytic activity of said nano TiO 2, the pollutent of degraded skin coating and objectionable impurities, both strong ageing resistance and the opacifying power of this coating had been played, the performance that outstanding embodiment is fire-retardant again, guarantor's look gloss retention of film is good, makes exterior wall nano fire-retardant coating produce photocatalytic self-cleaning, formed and have nano self-cleaning antimicrobial form frie retardant coating under optical effect.
3. the super weather-proof frie retardant coating of a kind of nanometer according to claim 1, it is characterized in that said kaolin, its refractoriness is high, can reach 1770 ~ 1790 DEG C.In, low plasticity, the insulativity that tool is good and chemical stability, the physico-chemical properties such as good resistivity against fire.Chemical stability is good, fire-retardant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777302.XA CN104497858A (en) | 2014-12-15 | 2014-12-15 | Nano super weather-resistant fireproof coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777302.XA CN104497858A (en) | 2014-12-15 | 2014-12-15 | Nano super weather-resistant fireproof coating |
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| CN104497858A true CN104497858A (en) | 2015-04-08 |
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| CN201410777302.XA Pending CN104497858A (en) | 2014-12-15 | 2014-12-15 | Nano super weather-resistant fireproof coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104927491A (en) * | 2015-07-02 | 2015-09-23 | 龚灿锋 | Antibacterial flame retardant coating and preparation method thereof |
| CN111793428A (en) * | 2020-07-29 | 2020-10-20 | 深圳市奇信集团股份有限公司 | Environment-friendly building coating and construction method |
-
2014
- 2014-12-15 CN CN201410777302.XA patent/CN104497858A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104927491A (en) * | 2015-07-02 | 2015-09-23 | 龚灿锋 | Antibacterial flame retardant coating and preparation method thereof |
| CN111793428A (en) * | 2020-07-29 | 2020-10-20 | 深圳市奇信集团股份有限公司 | Environment-friendly building coating and construction method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150408 |