CN103394453B - Three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing technology and aluminum veneer thereof - Google Patents
Three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing technology and aluminum veneer thereof Download PDFInfo
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- CN103394453B CN103394453B CN201310338411.7A CN201310338411A CN103394453B CN 103394453 B CN103394453 B CN 103394453B CN 201310338411 A CN201310338411 A CN 201310338411A CN 103394453 B CN103394453 B CN 103394453B
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Abstract
The invention discloses a three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing technology. The three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing technology comprises the steps of spraying a fluorocarbon base coating, spraying a fluorocarbon facial coating, carrying out high-temperature solidification treatment, spraying a water-in-water type simulation mineral varnish layer, spraying a fluorocarbon varnish layer, and carrying out solidification treatment. The invention discloses aluminum veneer at the same time. The aluminum veneer comprises an aluminum base plate, the fluorocarbon base coating, the fluorocarbon facial coating, the water-in-water type simulation mineral varnish layer and the fluorocarbon varnish layer, wherein the surface of the water-in-water type simulation mineral varnish layer and the surface of the fluorocarbon varnish layer are uneven. According to the aluminum veneer and the three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing technology, water containing ingredients in water-in-water multicolor paint are utilized ingeniously, the characteristics that the water multicolor paint is boiled and evaporated in high temperature are utilized, and thus an extreme good uneven three-dimensional simulation mineral varnish effect is formed in the surfaces of plates through unique paint distribution and a solidification technology. Meanwhile, the weather-proof, self-cleaning, easy cleaning, outdoor gloss loss free advantages of fluorocarbon paint are combined.
Description
Technical field
The present invention relates to a kind of aluminum veneer for building and manufacturing process thereof, particularly relate to a kind of emulation mineral varnish aluminum veneer and manufacturing process thereof.
Background technology
Along with the fast development of Building Trade in China, the finishing requirements of people to building is also more and more higher.Wherein, natural granite material is owing to having bright-colored colorful, texture sky one-tenth, and the outward appearance that air is serious and superior barrier propterty, be often used as building and ornament materials.But granite has obvious defect: (1) granite quality weight, increase the heavy burden outside wall, easily come off and cause casualties, there is serious unsafe factor, during earthquake, this unsafe factor is particularly outstanding; (2) excessive exploitation of granite can cause vegetation and soil to destroy, and brings soil erosion, is unfavorable for the protection of ecological environment; (3) granitic freight is high, and the energy consumption that multiple links such as its transport, processing are brought is large; (4) some granite has trace-level activity Element release, damages to human body; (5) the involving great expense of granite, production cost is high.Thus, natural artificial granite mineral varnish arises at the historic moment.Contrast true stone slab, emulation slabstone quality is light, and security is good.True mineral varnish is only the coating of 2 millimeter, only has the deadweight of granite about 1/20, can effective guarantee building safety; Reduce cost.Few with material, freight charges are low, and cost is low; Magnificent attractive in appearance, good decorating effect.
But traditional true mineral varnish is using acrylic based emulsion as bonding agent, site operation, the resin system of cold curing, generally at least outdoor more than 20 DEG C 24 hours can surface drying, the restriction ratio of work progress climate condition is more, and production efficiency cannot really improve.
From the American invention fluorocarbon resin seventies--since Kynar500, due to its excellent super-weathering resistance, can to ensure that in outdoor resistance to atmospheric aging 20 years is colour-fast, thus be widely used on the Metal wall of external wall-metal curtain wall.Metal wall can be aluminium-plastic panel, aluminum veneer, aluminum honeycomb panel three major types.Aluminium-plastic panel and aluminum honeycomb panel can adopt the method for printing and pad pasting to obtain artificial stone effect; Aluminum veneer is owing to being fluorocarbon-sprayed, and this technical barrier of technique reaching the effect of artificial stone does not solve all the time, also rests on this one-phase of single coating variety of plain color or metallochrome.
Summary of the invention
Technical problem to be solved by this invention is three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing process and the aluminum veneer thereof that will provide a kind of uniqueness, utilize water-water multicolor finish to coordinate unique solidification process dexterously, thus obtain the artificial stone aluminum veneer three-dimensional, concave-convex sense is strong.
The present invention solves the problems of the technologies described above the technical scheme adopted to be:
A kind of three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing process, its step comprises:
A, preparation aluminium base, first spraying fluorine carbon prime coat;
The fluorine carbon finishing paint layer of b, second spraying respective color;
C, then enter curing oven and carry out hot setting process;
D, preparation water-in-water type emulation mineral varnish, with water-soluble acrylic latex for carrier, the corresponding true stone mica sheet of intermediate configurations, and configure the water-water multicolor finish that weight portion accounts for emulation mineral varnish 15 ~ 20%, the 3rd road spraying water-in-water type artificial stone enamelled coating;
E, the 4th road spraying fluorine carbon layer of varnish;
F, then second time enter curing oven and carry out hot setting process.
It is 10 ~ 15 minutes that the temperature of above-mentioned curing oven solidification process in step c and f step is preferably 230 DEG C of times.
The thickness of described fluorine carbon prime coat is preferably 10-15 μm; The thickness of described fluorine carbon finishing paint layer is 20-25 μm.
The invention provides a kind of three-dimensional fluorocarbon simulation mineral varnish aluminum veneer simultaneously, comprise the fluorine carbon prime coat of aluminium base and order setting from inside to outside, fluorine carbon finishing paint layer, water-in-water type artificial stone enamelled coating and fluorine carbon layer of varnish, described water-in-water type artificial stone enamelled coating and fluorine carbon layer of varnish surface irregularity.
More preferably, the thickness of described fluorine carbon prime coat is 10-15 μm; The thickness of described fluorine carbon finishing paint layer is 20-25 μm.
Core of the present invention make use of the aqueous ingredients in water-water multicolor finish dexterously, if water-water coating and common acrylic based emulsion combine, should be generally solidify at normal temperatures, and the time of solidification is at 24 hours, if hot environment is solidified, because coating is all water-soluble, its aqueous ingredients will seethe with excitement at 100 DEG C, a large amount of water can make coating very loose, have not a particle of intensity, so hot setting is abstain to use in the technique of water-water coating in prior art.And profound part of the present invention to be also us pass through test many times, summary and research find afterwards, breaching water-water coating can not limit by the traditional handicraft of hot setting, uses water-water coating in a small amount, in conjunction with high temperature curing process; When only having water-water multicolor finish in a small amount, running into instantaneous high-temperature, moisture content can hurried volatilization, produce appropriate bubble, fluorocarbon coating is washed open, creates irregular being uneven, rough solid artificial mineral varnish effect, technique of the present invention make use of the boiling volatilization phenomenon of moisture in the coating that traditional handicraft abstains from just, thus unexpectedly obtains more real solid artificial stone effect.
The present invention selects the fluorocarbon coating of super-weathering resistance to make parian, granite effect by special water-water multicolor finish technological process control.Fidelity is high, has abundant third dimension.The metal curtain wall of external wall can be widely used in.The spraying coating process that this technique adopts, can reach the thickness of 60 μm, weatherability is more than the performance indications of JG/T133-2000 " aluminium section for buildings aluminium sheet fluororine-carbon coating " and U.S. AAMA2605 " high-performance coating for building ".
The present invention's three-dimensional fluorine carbon artificial stone aluminum veneer has following advantage:
1. aluminum veneer is lightweight, in factory process, and mechanical connection.Easy for installation in building site, be connected firmly, security is good.
2. can carry out roll bending, stretching, bending, welding, polishing in factory, can process various single, hyperbolic, many bent complex models, the design making designer marvellous is achieved.
3. stone similar paint technique is true to nature, can parian, granite, and especially granite is more true to nature, mixes the spurious with the genuine, and reaches that stone material is serious, serious, style, generous effect.
4. because coating is high performance fluorine carbon coating, by spraying the water-in-water type artificial stone enamelled coating of one deck solid on the basis of fluorine carbon priming paint, finish paint, surface sprays one deck fluorine carbon varnish again, finally solidify 15 minutes under 230 DEG C of high temperature, reach the very strong parian of a kind of solid, concave-convex sense, granite effect.
5, three-dimensional fluorine carbon emulation mineral varnish sprays this invention, and to solve fluorocarbon-sprayed can only be defect that is monochromatic and single plane, great has enriched fluorocarbon-sprayed range of application, present invention incorporates fluorocarbon coating high durable, self-cleaning easy cleaning, the advantage of the long-term not loss of gloss in outdoor, also has natural marble, the effect of the serious style of granite, lighter than natural marble owing to being aluminum veneer itself, wall is thin again, generally 1/15-1/8 of lithotome weight, and be mechanical screw connection bolt, solid and reliable, for the skyscraper that rice up to a hundred is high, the advantage that stone material imitated by the aluminium sheet of lightweight particularly shows especially.
Accompanying drawing explanation
Fig. 1 is the FB(flow block) signal of three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing process of the present invention;
Fig. 2 is the structural representation of three-dimensional fluorocarbon simulation mineral varnish aluminum veneer of the present invention.
In figure:
1, aluminium base 2, fluorine carbon prime coat 3, fluorine carbon finishing paint layer
4, water-in-water type artificial stone enamelled coating 5, fluorine carbon layer of varnish
Detailed description of the invention
Be further described below in conjunction with the manufacture of drawings and Examples to true mineral varnish of the present invention and true stone metallic plate.
First according to true stone sample or holographic picture, analyze the color background color in three-dimensional true stone and COLOR COMPOSITION THROUGH DISTRIBUTION, as the Colour selection of aluminum veneer fluorine carbon finishing paint and the COLOR COMPOSITION THROUGH DISTRIBUTION model of water-in-water type emulation mineral varnish, its COLOR COMPOSITION THROUGH DISTRIBUTION model comprises red point, stain or other color dot ratio approximately shared in true stone, the size and shape of point, comprises the stereoscopic level of in layer color.Working out spraying coating process according to the above analysis, is example by artificial granite, its spraying coating process following (as Fig. 1):
First prepare aluminium base, aluminium base sprays fluorine carbon priming paint, thickness is 10-15 μm (also slightly can adjust according to actual conditions).The fluorine carbon finishing paint layer of the respective color that second spray test is determined, thickness is 20-25 μm (also slightly can adjust according to actual conditions).Then enter curing oven 230 DEG C, solidification (can be 10 ~ 15 minutes) in 10 minutes, the temperature and time of certain curing oven also can according to circumstances adjust, and is as the criterion to obtain satisfied solidification effect.
Preparation water-in-water type emulation mineral varnish, this be a kind of with water-soluble acrylic latex for carrier, the corresponding true stone mica sheet of intermediate configurations, and configure the water-water multicolor finish that weight portion accounts for emulation mineral varnish 15 ~ 20%, the 3rd road spraying water-in-water type artificial stone enamelled coating.
Finally spray fluorine carbon layer of varnish, then second time enters curing oven temperature 230 DEG C, 10 minutes time hot setting process (can be as the criterion to obtain satisfied rough solid artificial effect for 10 ~ 15 minutes), the temperature and time of certain curing oven also can according to circumstances adjust, with the moisture in rapid vaporizing coating material, wash surperficial fluorine carbon varnish open, form satisfied rough solid artificial effect and be as the criterion.
Thus obtain three-dimensional fluorocarbon simulation mineral varnish aluminum veneer (as Fig. 2), comprise the fluorine carbon prime coat 2 of aluminium base 1 and order setting from inside to outside, fluorine carbon finishing paint layer 3, water-in-water type artificial stone enamelled coating 4 and fluorine carbon layer of varnish 5, described water-in-water type artificial stone enamelled coating 4 and fluorine carbon layer of varnish 5 surface irregularity.The thickness of described fluorine carbon prime coat 2 is 10-15 μm; The thickness of described fluorine carbon finishing paint layer 3 is 20-25 μm, and its thickness also can adjust according to actual conditions slightly certainly.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (5)
1. a three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing process, is characterized in that its step comprises:
A, preparation aluminium base, first spraying fluorine carbon prime coat;
The fluorine carbon finishing paint layer of b, second spraying respective color;
C, then enter curing oven and carry out hot setting process;
D, preparation water-in-water type emulation mineral varnish, with water-soluble acrylic latex for carrier, the corresponding true stone mica sheet of intermediate configurations, and configure the water-water multicolor finish that weight portion accounts for emulation mineral varnish 15 ~ 20%, the 3rd road spraying water-in-water type artificial stone enamelled coating;
E, the 4th road spraying fluorine carbon layer of varnish;
F, then second time enter curing oven and carry out hot setting process.
2. three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing process according to claim 1, is characterized in that: in step c and f step, the temperature of curing oven solidification process is 230 DEG C of times is 10 ~ 15 minutes.
3. three-dimensional fluorocarbon simulation mineral varnish aluminum veneer manufacturing process according to claim 1 and 2, is characterized in that: the thickness of described fluorine carbon prime coat is 10-15 μm; The thickness of described fluorine carbon finishing paint layer is 20-25 μm.
4. a three-dimensional fluorocarbon simulation mineral varnish aluminum veneer, it is characterized in that: comprise the fluorine carbon prime coat of aluminium base and order setting from inside to outside, fluorine carbon finishing paint layer, water-in-water type artificial stone enamelled coating and fluorine carbon layer of varnish, described water-in-water type artificial stone enamelled coating and fluorine carbon layer of varnish surface irregularity.
5. three-dimensional fluorocarbon simulation mineral varnish aluminum veneer according to claim 4, is characterized in that: the thickness of described fluorine carbon prime coat is 10-15 μm; The thickness of described fluorine carbon finishing paint layer is 20-25 μm.
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| CN103711278B (en) * | 2013-12-19 | 2015-09-16 | 方大新材料（江西）有限公司 | A kind of architectural decoration rare-earth ceramic coated with aluminum veneer and preparation method |
| CN104989042A (en) * | 2015-05-07 | 2015-10-21 | 青岛华联装饰工程有限公司 | Building real stone paint reflection heat insulation type exterior wall structure |
| CN109228717A (en) * | 2018-09-21 | 2019-01-18 | 张家港飞腾铝塑板股份有限公司 | A kind of thermal transfer aluminium sheet |
| CN114392904A (en) * | 2022-01-17 | 2022-04-26 | 重庆铝途新型材料有限公司 | Water-based colorful stone-like spraying process |
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| CN101574690B (en) * | 2009-06-12 | 2011-04-13 | 苏州金近幕墙有限公司 | Processing method for spraying aluminum curtain wall plate with fluorocarbon coating |
| CN101590466B (en) * | 2009-07-09 | 2011-09-28 | 浙江墙煌建材有限公司 | Process for manufacturing wood grain color coated aluminum plate |
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| CN101745494A (en) * | 2009-12-23 | 2010-06-23 | 方大新材料（江西）有限公司 | Production process and detection method for high-simulation fluorocarbon-sprayed aluminum veneers with simulated stone texture |
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