CN105694609A - Aluminum alloy surface anti-corrosion fluorocarbon coating and production equipment thereof - Google Patents

Aluminum alloy surface anti-corrosion fluorocarbon coating and production equipment thereof Download PDF

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Publication number
CN105694609A
CN105694609A CN201610263663.1A CN201610263663A CN105694609A CN 105694609 A CN105694609 A CN 105694609A CN 201610263663 A CN201610263663 A CN 201610263663A CN 105694609 A CN105694609 A CN 105694609A
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Prior art keywords
coating
paint
fluorocarbon
fluorocarbon coating
anticorrosion
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CN201610263663.1A
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Chinese (zh)
Inventor
黄其东
黄亚茹
胡文静
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Individual
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Priority to CN201610263663.1A priority Critical patent/CN105694609A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D127/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/80Processes for incorporating ingredients

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

Provided is an aluminum alloy surface anti-corrosion fluorocarbon coating. The aluminum alloy surface anti-corrosion fluorocarbon coating is prepared from, by weight, 20%-30% of fluorocarbon resin, 10%-20% of acrylic resin, 40%-50% of color paste, 8%-15% of solvent and 5% of auxiliaries. The invention further provides preferred production equipment of the aluminum alloy surface anti-corrosion fluorocarbon coating. The production technology of the aluminum alloy surface anti-corrosion fluorocarbon coating comprises the steps that color modulation is conducted through a computer, that is, a needed paint formula is input into management software, universal color paste is added to basic paint of fluorocarbon paint, and colored paint is obtained. The aluminum alloy surface anti-corrosion fluorocarbon coating and production equipment thereof have the advantages that the anti-corrosion fluorocarbon coating is the fluorocarbon coating for single-coating or multi-coating building curtain walls and aluminum profile, construction is easy, the paint film is tough, and the adhesive force to a metal substrate is high; meanwhile, good weather resistance, chemical resistance, impact resistance and the like are achieved, the production equipment is simple in structure and convenient to repair, and one system can be used for production of coatings with different colors.

Description

A kind of aluminium alloy top layer anticorrosion fluorocarbon coating and the equipment of production thereof
Technical field
The present invention relates to a kind of fluorocarbon coating, be specifically related to a kind of aluminium alloy top layer anticorrosion fluorocarbon coating and production equipment thereof。
Background technology
Aluminum alloy curtain walls is one of external wall decorative material of current international popular, and surface is generally covered with fluorocarbon resin coating, and fluorocarbon resin coating is mainly used as aluminum curtain walls incrustation and protection。After requiring large area application due to aluminum curtain walls, coating is without visual aberration, thus need to use electrostatic spraying, makes the surplus color margin of curtain wall aluminium plate diminish, to obtain multiple color。Along with the development of Building Trade in China, the superiority of aluminum curtain walls shows day by day, is increasingly subject to the favor of user。The aluminium-plastic panel, the aluminum veneer that use as metal curtain wall all use PVDF fluororine-carbon coating。Owing to metal flash paint has beautiful brilliance, therefore it is widely adopted。
Summary of the invention
The application aims to provide a kind of aluminium alloy top layer anticorrosion fluorocarbon coating and production equipment thereof, what the application provided anticorrosion fluorocarbon coating is single coating or multicoat building curtain wall and aluminium section bar fluorocarbon coating, there is construction simple, paint film is tough and tensile, the advantage that metal substrate adhesive force is strong, there is good weatherability simultaneously, chemicals-resistant and the performance such as shock-resistant, and produce the production equipment of this anticorrosion fluorocarbon coating。
In order to solve the problems referred to above, aluminium alloy top layer provided by the invention anticorrosion fluorocarbon coating is obtained by fluorocarbon resin, acrylic resin, mill base, solvent, auxiliary agent preparation, and the percentage by weight of each component is:
Fluorocarbon resin 20%-30%;
Acrylic resin 10%-20%;
Mill base 40-50%;
Solvent 8%-15%;
Auxiliary agent 5%。
Preferably, described fluorocarbon resin isOr
Preferably, described acrylic resin is the one in thermosetting acrylic resin, water-borne acrylic resin or its mixture。
Preferably, the inorganic high weathering type of described mill base。
Preferably, described solvent is the mixture of dimethyl carbonate (DMC), diethyl carbonate (DEC), Ethyl methyl carbonate (EMC) and isopropanol, the present invention uses described mixed carbonate ester series solvent to substitute traditional organic solvent in described aluminium alloy top layer anticorrosion fluorocarbon coating, not only environmental protection, and the surface quality of coating can be significantly improved, improve the solvent resistance of described fluorocarbon coating。
Preferably, described auxiliary agent comprises defoamer and levelling agent。
In order to produce aluminium alloy top layer provided by the invention anticorrosion fluorocarbon coating, it is as follows that it preferably produces equipment: the production technology of the aluminium alloy top layer anticorrosion fluorocarbon coating that the application relates to, it is by computer color-mixed, namely the required paint formulation of input in management software, adds general color paste F-C paint base paint and prepares colored paint;
Including computer, F-C paint base paint buffer system, mill base feed system, coating pre-regulating system, raw material mixing system, discharge system, it is characterized in that: described F-C paint base paint buffer system is connected with coating pre-regulating system and raw material mixing system respectively, described mill base feed system is connected with coating pre-regulating system and raw material mixing system respectively, described raw material mixing system is connected with discharge system, and described computer is connected with F-C paint base paint buffer system, mill base feed system, coating pre-regulating system, raw material mixing system, discharge system respectively。
In a preferred embodiment of the invention, described coating pre-regulating system comprises several effusion meters, several presetting chambeies, several presetting coating material outlet。
In a preferred embodiment of the invention, described effusion meter can be weighing scale。
In a preferred embodiment of the invention, described discharge system comprises coating material outlet, cleaning device。
The beneficial effects of the present invention is: provide a kind of anticorrosion fluorocarbon coating, for single coating or multicoat building curtain wall and aluminium section bar fluorocarbon coating, having construction simple, paint film is tough and tensile, the advantage that metal substrate adhesive force is strong, there is good weatherability simultaneously, chemicals-resistant and the performance such as shock-resistant, and it produces equipment, simple in construction, easy to maintenance, set of system may be used for the production of the coating of multiple different colours。
Accompanying drawing explanation
Fig. 1 is the structural representation that aluminium alloy top layer provided by the invention anticorrosion fluorocarbon coating produces equipment。
Wherein: 1. computer;2. F-C paint base paint buffer system;3. mill base feed system;4. coating pre-regulating system;40. effusion meter;41. several presetting chambeies;42. several presetting coating material outlet;5. raw material mixing system;6. discharge system;61. coating material outlet;62. cleaning device。
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, rather than whole embodiments。Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of the application protection。
Embodiment
Aluminium alloy top layer provided by the invention anticorrosion fluorocarbon coating is obtained by fluorocarbon resin, acrylic resin, mill base, solvent, auxiliary agent preparation, and the percentage by weight of each component is:
Fluorocarbon resin 20%-30%;
Acrylic resin 10%-20%;
Mill base 40-50%;
Solvent 8%-15%;
Auxiliary agent 5%。
In the preferred embodiment of the present invention, described fluorocarbon resin isOr
In the preferred embodiment of the present invention, described Rf 1And Rf 2For containing fluoroalkyl, formula is:
Wherein: chain number n is positive integer, q is nonnegative integer, R1、R2、R3、R4、R5、R6For H, F or CF3, R is hydrogen or hydrocarbon chain group。
In the preferred embodiment of the present invention, described acrylic resin is the one in thermosetting acrylic resin, water-borne acrylic resin or its mixture。
In the preferred embodiment of the present invention, the inorganic high weathering type of described mill base。
In the preferred embodiment of the present invention, described solvent is the mixture of dimethyl carbonate (DMC), diethyl carbonate (DEC), Ethyl methyl carbonate (EMC) and isopropanol, the present invention uses described mixed carbonate ester series solvent to substitute traditional organic solvent in described aluminium alloy top layer anticorrosion fluorocarbon coating, not only environmental protection, and the surface quality of coating can be significantly improved, improve the solvent resistance of described fluorocarbon coating。
In the preferred embodiment of the present invention, described auxiliary agent comprises defoamer and levelling agent。
The present invention provide aluminium alloy top layer anticorrosion fluorocarbon coating carry out following test 1. wet paint performance such as solid content, viscosity, color etc.;2. paint film key property such as thickness, gloss, pencil hardness, adhesive force (wet adhesion, dry adhesive force, decocting in water adhesive force), resistance to impact, solvent resistance (nitric acid, hydrochloric acid, mud, glass cleaner, detergent);3. patience test such as resisting salt fog corrosion test, humidity resistance test and resistance to artificial accelerated aging test。The coating of contrast the application offer and other coating, its performance of coating that the application provides is substantially better than other coating。
In order to produce aluminium alloy top layer provided by the invention anticorrosion fluorocarbon coating, it is as follows that it preferably produces equipment: the production technology of the aluminium alloy top layer anticorrosion fluorocarbon coating that the application relates to, it is by computer color-mixed, namely the required paint formulation of input in management software, adds general color paste F-C paint base paint and prepares colored paint;
Including computer 1, F-C paint base paint buffer system 2, mill base feed system 3, coating pre-regulating system 4, raw material mixing system 5, discharge system 6, it is characterized in that: described F-C paint base paint buffer system 2 is connected with coating pre-regulating system 4 and raw material mixing system 5 respectively, described mill base feed system 3 is connected with coating pre-regulating system 4 and raw material mixing system 5 respectively, described raw material mixing system 5 is connected with discharge system 6, described computer 1 respectively with F-C paint base paint buffer system 2, mill base feed system 3, coating pre-regulating system 4, raw material mixing system 5, discharge system 6 is connected。
In a preferred embodiment of the invention, described coating pre-regulating system 4 comprises several effusion meters 40, several presetting chambeies 41, several presetting coating material outlet 42。
In a preferred embodiment of the invention, described effusion meter 40 can be weighing scale。
In a preferred embodiment of the invention, described discharge system 6 comprises coating material outlet 61, cleaning device 62。
The operation principle of this production equipment is, by computer color-mixed, the i.e. required paint formulation of input in management software, F-C paint base paint is added general color paste and prepares colored paint, first F-C paint base paint is pumped into by F-C paint base paint buffer system 2 the presetting chamber 41 of coating pre-regulating system 4, mill base is pumped into by mill base feed system 3 the presetting chamber 41 of coating pre-regulating system 4, after F-C paint base paint is mixed homogeneously with mill base, sprayed by presetting coating material outlet 42, if gained colored paint no color differnece, raw material mixing system 5 is pumped into by the paint formulation of input by F-C paint base paint and mill base, after being sufficiently mixed, coating material outlet 61 either directly through discharge system 6 is collected。
The beneficial effects of the present invention is: provide a kind of anticorrosion fluorocarbon coating, for single coating or multicoat building curtain wall and aluminium section bar fluorocarbon coating, having construction simple, paint film is tough and tensile, the advantage that metal substrate adhesive force is strong, there is good weatherability simultaneously, chemicals-resistant and the performance such as shock-resistant, and it produces equipment, simple in construction, easy to maintenance, set of system may be used for the production of the coating of multiple different colours。
The above is only the detailed description of the invention of the application; it should be pointed out that, for those skilled in the art, under the premise without departing from the application principle; can also making some improvements and modifications, these improvements and modifications also should be regarded as the protection domain of the application。

Claims (10)

1. an aluminium alloy top layer anticorrosion fluorocarbon coating, it is characterised in that: being obtained by fluorocarbon resin, acrylic resin, mill base, solvent, auxiliary agent preparation, the percentage by weight of each component is:
Fluorocarbon resin 20%-30%;
Acrylic resin 10%-20%;
Mill base 40-50%;
Solvent 8%-15%;
Auxiliary agent 5%。
2. a kind of aluminium alloy top layer according to claim 1 anticorrosion fluorocarbon coating, it is characterised in that: described fluorocarbon resin isOr
3. a kind of aluminium alloy top layer according to claim 1 anticorrosion fluorocarbon coating, it is characterised in that: described acrylic resin is the one in thermosetting acrylic resin, water-borne acrylic resin or its mixture。
4. a kind of aluminium alloy top layer according to claim 1 anticorrosion fluorocarbon coating, it is characterised in that: the inorganic high weathering type of described mill base。
5. a kind of aluminium alloy top layer according to claim 1 anticorrosion fluorocarbon coating, it is characterized in that: described solvent is the mixture of dimethyl carbonate (DMC), diethyl carbonate (DEC), Ethyl methyl carbonate (EMC) and isopropanol, the present invention uses described mixed carbonate ester series solvent to substitute traditional organic solvent in described aluminium alloy top layer anticorrosion fluorocarbon coating, not only environmental protection, and the surface quality of coating can be significantly improved, improve the solvent resistance of described fluorocarbon coating。
6. a kind of aluminium alloy top layer according to claim 1 anticorrosion fluorocarbon coating, it is characterised in that: described auxiliary agent comprises defoamer and levelling agent。
7. the production equipment of a kind of aluminium alloy top layer anticorrosion fluorocarbon coating is provided, it is characterised in that: by computer color-mixed, namely the required paint formulation of input in management software, adds general color paste F-C paint base paint and prepares colored paint;
Including computer, F-C paint base paint buffer system, mill base feed system, coating pre-regulating system, raw material mixing system, discharge system, it is characterized in that: described F-C paint base paint buffer system is connected with coating pre-regulating system and raw material mixing system respectively, described mill base feed system is connected with coating pre-regulating system and raw material mixing system respectively, described raw material mixing system is connected with discharge system, and described computer is connected with F-C paint base paint buffer system, mill base feed system, coating pre-regulating system, raw material mixing system, discharge system respectively。
8. the production equipment of a kind of aluminium alloy top layer according to claim 7 anticorrosion fluorocarbon coating, it is characterised in that: described coating pre-regulating system comprises several effusion meters, several presetting chambeies, several presetting coating material outlet。
9. the production equipment of a kind of aluminium alloy top layer according to claim 7 anticorrosion fluorocarbon coating, it is characterised in that: described effusion meter can be weighing scale。
10. the production equipment of a kind of aluminium alloy top layer according to claim 7 anticorrosion fluorocarbon coating, it is characterised in that: described discharge system comprises coating material outlet, cleaning device。
CN201610263663.1A 2016-04-26 2016-04-26 Aluminum alloy surface anti-corrosion fluorocarbon coating and production equipment thereof Pending CN105694609A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108117802A (en) * 2017-12-28 2018-06-05 安徽鑫铂铝业股份有限公司 A kind of corrosion-resistant heronsbill aluminium alloy extrusions
CN108250855A (en) * 2017-12-28 2018-07-06 安徽鑫铂铝业股份有限公司 A kind of ageing-resistant heronsbill aluminium alloy extrusions
CN108359324A (en) * 2018-02-06 2018-08-03 广东星球铝业有限公司 A kind of aluminium shape surface method of modifying
CN109251601A (en) * 2018-11-20 2019-01-22 合肥绿普包装材料有限公司 A kind of heatproof impact resistance aluminium alloy plate
CN109957270A (en) * 2019-04-04 2019-07-02 刘珍 A kind of aluminum alloy surface high-performance coating

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108117802A (en) * 2017-12-28 2018-06-05 安徽鑫铂铝业股份有限公司 A kind of corrosion-resistant heronsbill aluminium alloy extrusions
CN108250855A (en) * 2017-12-28 2018-07-06 安徽鑫铂铝业股份有限公司 A kind of ageing-resistant heronsbill aluminium alloy extrusions
CN108359324A (en) * 2018-02-06 2018-08-03 广东星球铝业有限公司 A kind of aluminium shape surface method of modifying
CN109251601A (en) * 2018-11-20 2019-01-22 合肥绿普包装材料有限公司 A kind of heatproof impact resistance aluminium alloy plate
CN109957270A (en) * 2019-04-04 2019-07-02 刘珍 A kind of aluminum alloy surface high-performance coating

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Application publication date: 20160622