CN100490993C - Production technology of nano-self cleaning architechtural aluminium curtain wall board - Google Patents
Production technology of nano-self cleaning architechtural aluminium curtain wall board Download PDFInfo
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- CN100490993C CN100490993C CNB2006100341904A CN200610034190A CN100490993C CN 100490993 C CN100490993 C CN 100490993C CN B2006100341904 A CNB2006100341904 A CN B2006100341904A CN 200610034190 A CN200610034190 A CN 200610034190A CN 100490993 C CN100490993 C CN 100490993C
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Abstract
The present invention discloses a production process of nano self-cleaning building aluminium curtain wall plate. Said production process includes the following steps: (1). spray-coating face paint; (2). leveling; (3). spray-coating nano self-cleaning solution; (4). heating and curing; and (5) photocuring.
Description
[technical field]
The present invention relates to a kind of industrialized producing technology of construction material, particularly a kind of production technology of self-clean type building Aluminum curtain wall plate.
[background technology]
Use now the outer body of wall material of curtain walls such as aluminum veneer, aluminum composite plate on the building, under natural environment, after after a while, all can cover with the dirt dust, influence the outward appearance of building and light transmission etc.; Generally all need artificial cleaning regularly, maintenance cost is more expensive; And the chemical detergent that uses, can pollute environment; Moreover the work high above the ground poor stability, the labor safety accident often takes place, cause personal injury.Owing to action of ultraviolet ray, construction wall is progressively aging easily, loses original aesthetic in addition.
[summary of the invention]
The objective of the invention is: provide a kind of low cost of investment, low production cost, the production technology of Nano self-cleaning building Aluminum curtain wall plate efficiently, production resistant dirt dust, acid and alkali-resistance, wear-resistant, the self-cleaning building Aluminum curtain wall plate of aging-resistant.
For achieving the above object, the present invention proposes a kind of production technology of nano-self cleaning architechtural aluminium curtain wall board, comprises the steps: (1) aluminium sheet spray paint, (2) levelling, and (3) spray Nano self-cleaning solution, (4) heating cure, (5) photocuring on finish paint.
Above-mentioned production technology of nano-self cleaning architechtural aluminium curtain wall board in described step (1) before, also comprises step (A) spraying priming paint, (B) levelling.Before described step, comprise that also (A ｀) carries out the step of pre-treatment to aluminium sheet.
Above-mentioned production technology of nano-self cleaning architechtural aluminium curtain wall board, in the described step (3), described Nano self-cleaning solution adopts the self-cleaning solution of nano titanium oxide; Described step (3) for adopt automatic spray gun with the self-cleaning solution spraying of described nano titanium oxide on described finish paint.
Above-mentioned production technology of nano-self cleaning architechtural aluminium curtain wall board, in the described step (3), described Nano self-cleaning solution adopts the self-cleaning solution of nano titanium oxide; Described step (5) is passed through the ultraviolet tunnel equipment for the Aluminum curtain wall plate through heating cure, by ultraviolet light activated nano titanium dioxide.Or described step (5): adopt the photocuring stove, quartz burner is installed in layering in the stove, the Aluminum curtain wall plate after the heating cure is put into stove carry out UV-irradiation, activated nano titanium dioxide.The process conditions of described step (5) photocuring are: ultraviolet wavelength 254nm, luminous intensity is 4mw/cm
2Or more than.
Technology of the present invention, on the basis of existing technology, can utilize existing aluminium sheet finish paint spray-painting production line to produce, adopt this kind technology to produce the self-cleaning Aluminum curtain wall plate of nano titanium oxide and do not need to acquire in addition large-scale production equipment or factory building, the spray paint existing equipment of factory of Aluminum curtain wall plate be can utilize fully, investment, production cost greatly reduced.The present invention increases self-cleaning solution spraying and ultraviolet curing process in the spraying coating process flow process of prior art, the production that makes the production process of Nano self-cleaning Aluminum curtain wall plate and Aluminum curtain wall plate finish paint carries out synchronously and one-shot forming has improved production efficiency, has reduced production cost.
Adopt this kind technology can guarantee the self-cleaning effect of nano titanium oxide fully, and coating and aluminium sheet finish paint are fully bonding, coating life is long, makes it to become the mode of production of the desirable self-cleaning Aluminum curtain wall plate of big suitability for industrialized production.
Adopt the Nano self-cleaning aluminum screen wall Side fascia of explained hereafter of the present invention, except that can effectively decomposing on the Aluminum curtain wall plate and airborne pollutant makes it keep under nature totally, have the effect of scrubbing, sterilization, air cleaning, mildew-resistant, also can effectively hinder ultraviolet ray to the aging and powder phenomenon-tion that the finish paint organic resin layer produces, guarantee the japanning color light of Aluminum curtain wall plate.
Simultaneously, adopt the Nano self-cleaning aluminum screen wall of explained hereafter of the present invention,, on coating, can become the moisture film of Superhydrophilic, make stain and dust be difficult for adhering to attached to the moisture on surface because nano coating has Superhydrophilic; When raining or during with running water drip washing, even under the adverse circumstances more than the receiving electrode, laying dust also can be washed away easily, makes metope bright and clean.Therefore, generally do not need regular artificial cleaning, reduce the maintenance cost of skyscraper greatly, eliminated the insecurity of high-altitude cleaning operation; Need not use chemical detergent, can not pollute environment; That coating also has is anti-aging, acid and alkali-resistance, anti-ultraviolet function, makes that building is long-term to keep brand-new outward appearance.
The surface of titanium dioxide layer forms electric cave and free electron under illumination, in conjunction with airborne water and oxygen, redox reaction takes place, and the surface forms the hydroxyl free radical (OH) and the ultra-oxygen anion free radical (O of strong oxidizing property
2 -), can decompose aerial pernicious gas and part inorganic compound, and the activity of bacteria growing inhibiting and virus, reach sterilization, air cleaning, deodorizing, mildew-resistant.Therefore, applying of the utility model product can improve the air quality in city greatly, improves Environmental Protection Level.
[specific embodiment]
The manufacture craft flow process of whole Nano self-cleaning Aluminum curtain wall plate is as follows:
(1) aluminium sheet pre-treatment-(2) spray Nano self-cleaning solution-(7) heating cure-(8) photocuring-(9) packing to aluminium sheet spraying priming paint-(3) levelling-(4) spray paint-(5) levelling-(6) on finish paint.
Wherein: spray paint production process every of flow process (1) to (5) and (7), (9) procedure and Aluminum curtain wall plate of the prior art requires just the samely, need not do special change.
In technological process (6), carry out the Nano self-cleaning solution spraying:
Behind finish paint spraying and levelling in the aluminium sheet spraying coating process flow process, with mainly consist of nano titanium oxide and deionized water, titanium dioxide granule sprays on the finish paint less than the self-cleaning solution of the nano titanium oxide of 10nm with automatic spray gun at twice, heating cure operation in the program of spraying paint and finishing again, parameters such as temperature, time are identical with temperature, the time of original production process.Spraying equipment adopts conventional automatic spray gun (bore 1.3-1.5mm).
In technological process (8), carry out photocuring:
After the heating cure, increase the photocuring active program one, before the packaging aluminium curtain wall panel, increase by a ultraviolet tunnel equipment at production line.Use the ultraviolet lamp of 254nm wavelength, when intensity reaches certain value (4mw/cm
2) time, the Nano self-cleaning aluminium sheet of heating cure is entered in the tunnel, Nano self-cleaning titanium dioxide is activated, and produces self-cleaning effect; Pack then.
Because the light tunnel equipment is simple, the ultraviolet lamp that only needs to buy is installed in the tunnel that is made by plank or metallic plate (tunnel reach can avoid the people directly to be subjected to ultraviolet irradiation get final product) by requirement of strength, the tunnel can be designed and produced voluntarily by manufacturer, also can entrust ultraviolet lamp manufacturer on behalf of designing and producing.
As the photocuring tunnel being installed because of the place problem, also can reconstruct a photocuring stove, quartz burner is installed in layering in the stove, the self-cleaning aluminium sheet after the heating cure is put into stove carry out photocuring, takes out packing then.
The Nano self-cleaning titanium dioxide Aluminum curtain wall plate that activates through the method can keep state of activation more than two months under the package encapsulation state, can guarantee to tear off again after installation company has grace time that Aluminum curtain wall plate is installed smoothly the surfactant package gummed paper film of aluminium sheet like this, make the Nano self-cleaning Aluminum curtain wall plate under natural outdoor conditions, begin to bring into play automatic cleaning action.
Press the AAMA2605.98 standard through the Nano self-cleaning Aluminum curtain wall plate that above-mentioned technology is made, passed through the detection of national relevant authoritative testing agency, its testing result please refer to following table.
| Sequence number | Project name | Testing result | Detect unit |
| 1 | Dried adhesion test | 100% adheres to, and draws the inside and outside no pull-away in lattice district | Chemical industry synthesis material aging quality supervision and test center |
| 2 | Wet adhesion test | 100% adheres to, non-foaming | Chemical industry synthesis material aging quality supervision and test center |
| 3 | Boiling test | 100% adheres to, non-foaming | Chemical industry synthesis material aging quality supervision and test center |
| 4 | Salt tolerant acid (10%) | Paint film is non-foaming, and outward appearance does not have visible change | Chemical industry synthesis material aging quality supervision and test center |
| 5 | Anti-nitric acid (65-68%) | Δ E ≦ 5 (HUNTER system) | Chemical industry synthesis material aging quality supervision and test center |
| 6 | Wash resistant agent (38 ℃) | Paint film is non-foaming, and outward appearance does not have visible change, no pull-away | Chemical industry synthesis material aging quality supervision and test center |
| 7 | The washing agent of anti-glass (24h) | Paint film is non-foaming, and outward appearance does not have visible change, no pull-away | Chemical industry synthesis material aging quality supervision and test center |
| 8 | Artificial accelerated aging test | Meet | Chemical industry synthesis material aging quality supervision and test center, Beijing National construction material test center |
| 9 | SEM (SEM) detects | The titanium dioxide nanoparticle diameter is less than 10nm, and densification is formed uniformly thin film, massively attached on the matrix | Functional organic molecule chemistry National Key Laboratory of Lanzhou University |
| 10 | X-ray diffraction (XRD) detects | Be 100% good anatase-type nanometer titanium dioxide crystal structure | Functional organic molecule chemistry National Key Laboratory of Lanzhou University |
| 11 | Dangerous test of chemicals and classification are identified | Do not belong to corrosives, poisonous substances, explosive, oxidant.Classification conclusion: do not belong to hazardous chemical | Chemicals Register of national security production supervision management board |
Technical scheme of the present invention can be used for the Nano self-cleaning product processes of external wall materials such as aluminum composite plate curtain wall.
Claims (9)
1, a kind of production technology of nano-self cleaning architechtural aluminium curtain wall board comprises the steps: (1) aluminium sheet spray paint, (2) levelling, and (3) spray Nano self-cleaning solution, (4) heating cure, (5) photocuring on finish paint.
2, production technology of nano-self cleaning architechtural aluminium curtain wall board as claimed in claim 1 is characterized in that, in described step (1) before, also comprises step: (A) spraying priming paint, (B) levelling.
3, production technology of nano-self cleaning architechtural aluminium curtain wall board as claimed in claim 2 is characterized in that, in described step (A) before, also comprises step: (A ｀) carries out pre-treatment to aluminium sheet.
4, as claim 1 or 2 or 3 described production technology of nano-self cleaning architechtural aluminium curtain wall board, it is characterized in that: in the described step (3), described Nano self-cleaning solution adopts the self-cleaning solution of nano titanium oxide; Adopt automatic spray gun with the self-cleaning solution spraying of described nano titanium oxide on described finish paint.
5, as claim 1 or 2 or 3 described production technology of nano-self cleaning architechtural aluminium curtain wall board, it is characterized in that: in the described step (3), described Nano self-cleaning solution adopts the self-cleaning solution of nano titanium oxide; Described step (5) is passed through the ultraviolet tunnel equipment for the Aluminum curtain wall plate through heating cure, by ultraviolet light activated nano titanium dioxide.
As claim 1 or 2 or 3 described production technology of nano-self cleaning architechtural aluminium curtain wall board, it is characterized in that 6, in the described step (3), described Nano self-cleaning solution adopts the self-cleaning solution of nano titanium oxide; Described step (5): adopt the photocuring stove, quartz burner is installed in the stove, the Aluminum curtain wall plate after the heating cure is put into stove carry out UV-irradiation, activated nano titanium dioxide.
7, as claim 1 or 2 or 3 described production technology of nano-self cleaning architechtural aluminium curtain wall board, it is characterized in that; The process conditions of described step (5) photocuring are: ultraviolet wavelength 254nm, luminous intensity is 4mw/cm
2Or more than.
8, production technology of nano-self cleaning architechtural aluminium curtain wall board as claimed in claim 5 is characterized in that; The process conditions of described step (5) photocuring are: ultraviolet wavelength 254nm, luminous intensity is 4mw/cm
2Or more than.
9, production technology of nano-self cleaning architechtural aluminium curtain wall board as claimed in claim 6 is characterized in that; The process conditions of described step (5) photocuring are: ultraviolet wavelength 254nm, luminous intensity is 4mw/cm
2Or more than.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100341904A CN100490993C (en) | 2006-03-05 | 2006-03-05 | Production technology of nano-self cleaning architechtural aluminium curtain wall board |
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| CNB2006100341904A CN100490993C (en) | 2006-03-05 | 2006-03-05 | Production technology of nano-self cleaning architechtural aluminium curtain wall board |
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| CN1824394A CN1824394A (en) | 2006-08-30 |
| CN100490993C true CN100490993C (en) | 2009-05-27 |
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| CNB2006100341904A Expired - Fee Related CN100490993C (en) | 2006-03-05 | 2006-03-05 | Production technology of nano-self cleaning architechtural aluminium curtain wall board |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100556557C (en) * | 2007-07-12 | 2009-11-04 | 惠州市格林塑胶电子有限公司 | Spray process in small production line |
| CN101638028B (en) * | 2008-07-28 | 2012-08-22 | 上海华晖新材料科技有限公司 | Method for manufacturing marbleizing decorating plates |
| CN102343325A (en) * | 2011-01-24 | 2012-02-08 | 北京盛华中兴环保科技有限公司 | Spraying construction process for indoor environment pollution treatment emulsion/solution |
| CN102966214A (en) * | 2012-11-26 | 2013-03-13 | 中山市创科科研技术服务有限公司 | Manufacturing device for no-clean aluminum plate |
| CN104789120A (en) * | 2015-05-04 | 2015-07-22 | 璞儿（上海）新材料科技有限公司 | Novel outdoor air purification self-cleaning material and preparation method thereof |
| CN111822306B (en) * | 2020-07-16 | 2021-10-12 | 深圳市尤佳环境科技有限公司 | Stainless steel nano self-cleaning coating and preparation method thereof |
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2006
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Non-Patent Citations (4)
| Title |
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| 国家大剧院外墙不用擦. 中华建设，第5期. 2005 |
| 国家大剧院外墙不用擦. 中华建设，第5期. 2005 * |
| 纳米TiO 应用于涂料的研究进展. 张浦，郑典模，梁志鸿.江西化工，第4期. 2004 |
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