CN110641216B - Thermal transfer printing manufacturing process of high-quality environment-friendly aluminum alloy wood grain profile - Google Patents
Thermal transfer printing manufacturing process of high-quality environment-friendly aluminum alloy wood grain profile Download PDFInfo
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- CN110641216B CN110641216B CN201910917510.8A CN201910917510A CN110641216B CN 110641216 B CN110641216 B CN 110641216B CN 201910917510 A CN201910917510 A CN 201910917510A CN 110641216 B CN110641216 B CN 110641216B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
- B44C1/1716—Decalcomanias provided with a particular decorative layer, e.g. specially adapted to allow the formation of a metallic or dyestuff layer on a substrate unsuitable for direct deposition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F9/00—Designs imitating natural patterns
- B44F9/02—Designs imitating natural patterns wood grain effects
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
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- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a heat transfer printing manufacturing process of a high-quality environment-friendly aluminum alloy wood grain profile, which comprises the following steps: s1, preparing an aluminum alloy section; s2, preparing a surface basic film coating on the surface of the aluminum alloy section by adopting any one of a powder spraying method, a fluorocarbon spraying method and an electrophoresis coating method; s3, wrapping paper or plastic film outside the aluminum alloy section bar with the basic film coating, wherein the inner surface of the paper or plastic film is pre-attached with thermal transfer printing ink, and the thermal transfer printing ink is formed by mixing a pigment action layer, an ink auxiliary agent and a bonding material; s4, sleeving a vacuum plastic bag outside the paper or plastic film, vacuumizing to enable the paper or plastic film to be flatly adhered to the surface of the aluminum profile, feeding the whole body into a heat transfer printing furnace after vacuumizing, setting the temperature of the heat transfer printing furnace to be 190-200 ℃, and performing transfer printing for 14-15 min to finally obtain the aluminum alloy wood grain profile with excellent quality. The invention has the beneficial effects that: the process is simple, and the prepared aluminum alloy wood grain section has high binding force and long service life.
Description
Technical Field
The invention relates to a thermal transfer printing manufacturing process of a high-quality environment-friendly aluminum alloy wood grain profile.
Background
The aluminum alloy surface wood grain section bar which is green and environment-friendly and can replace natural wood resources has wider and wider application range and larger consumption, and is widely applied to various wood-like products such as buildings, indoor door frames and door leaves, various cabinets, such as bookcases, wine cabinets, wardrobes, shoe cabinets, storage cabinets, tables and chairs, aluminum alloy ladders with wooden surfaces, various frames, decorative panels, lines, special-shaped sections, antique sculptures and the like. The existing aluminum alloy wood grain section bar is prepared by adopting an electrophoretic painting process, wherein the electrophoretic painting process is to form compact micro holes with the depth of about 10 mu m on an aluminum alloy substrate through anodic oxidation, deposit metal particles or organic dye in the oxidation holes through an electrolysis or organic coloring method, deposit water-soluble varnish or colored paint on the surface of the section bar through electrophoresis to form a uniform, flat and smooth paint film, and seal the metal particles or the organic dye in the oxidation holes, so that the wood grain appearance is formed on the surface of the aluminum alloy section bar. The electrophoretic paint has the advantages of uniform coating, good coverage, strong corrosion resistance, good weather resistance, difficult pulverization and the like. However, the aluminum alloy wood grain profile prepared by the process has the advantages that the outer surface is easy to fall off, the wood grain is easy to fall off, the binding force is poor, and the wood grain is easy to fall off after being scraped and bumped by the outside, so that the service life of the aluminum alloy wood grain profile is shortened.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a thermal transfer printing manufacturing process of a high-quality and environment-friendly aluminum alloy wood grain profile, which is simple in process, large in binding force of the prepared aluminum alloy wood grain profile and long in service life.
The purpose of the invention is realized by the following technical scheme: a thermal transfer printing manufacturing process of a high-quality environment-friendly aluminum alloy wood grain profile comprises the following steps:
s1, preparation of aluminum alloy section: melting aluminum alloy in a melting furnace to obtain molten aluminum, and casting the molten aluminum into an aluminum alloy rod; extruding the aluminum alloy rod into an aluminum alloy section by an extruder; quenching the aluminum alloy section after molding;
s2, preparing a surface basic film coating on the surface of the aluminum alloy section by adopting any one of a powder spraying method, a fluorocarbon spraying method and an electrophoresis coating method;
the powder spraying method is that the super-strong weather-resistant coating composed of wood grain powder and fluorocarbon powder is sprayed on the outer surface of the aluminum alloy section bar so as to form a surface basic film coating on the outer surface of the aluminum alloy section bar;
the fluorocarbon spraying method is to spray a coating paint formed by mixing polyester resin, pigment and curing agent on the outer surface of the aluminum alloy section bar so as to form a surface basic film coating on the outer surface of the aluminum alloy section bar;
the electrophoresis coating method comprises the steps of oxidizing the surface of the aluminum alloy section, and then carrying out electrophoresis on the aluminum alloy section to form a surface basic film coating on the outer surface of the aluminum alloy section;
s3, wrapping paper or plastic film outside the aluminum alloy section bar with the basic film coating, wherein the inner surface of the paper or plastic film is pre-attached with thermal transfer printing ink, and the thermal transfer printing ink is formed by mixing a pigment action layer, an ink auxiliary agent and a bonding material;
s4, sleeving a vacuum plastic bag outside the paper or plastic film, vacuumizing to enable the paper or plastic film to be flatly adhered to the surface of the aluminum profile, feeding the whole body into a heat transfer printing furnace after vacuumizing, setting the temperature of the heat transfer printing furnace to be 190-200 ℃, and after transfer printing for 14-15 min, enabling the heat transfer printing ink to permeate into the surface basic film coating, thereby finally obtaining the aluminum alloy wood grain profile with excellent quality.
After the surface base film coating is prepared in the step S2, the aluminum alloy profile is placed in a baking oven, and the surface base film coating is cured on the aluminum alloy profile by heating the baking oven.
And after the surface basic film coating is prepared in the step S2, measuring the thickness of the surface basic film coating by using a coating thickness gauge.
The invention has the following advantages: according to the invention, a surface basic film coating is firstly cured on the surface of the aluminum alloy section, and then wood grains penetrate into the surface basic film coating, so that the binding force between the wood grains and the aluminum alloy section is greatly increased; in addition, the wood grain permeates in the surface basic film coating, and the wood grain cannot fall off even if the outer surface is impacted by the outside, so that the service life of the aluminum alloy wood grain section is greatly prolonged, and the aluminum alloy wood grain section has the characteristic of high reliability.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a graph showing the influence of the performance of the basic coating film on the surface of the aluminum profile on the ink penetration of the wood-grain paper.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
the first embodiment is as follows: as shown in FIG. 1, a thermal transfer printing process for manufacturing a high-quality and environment-friendly aluminum alloy wood grain profile comprises the following steps:
s1, preparation of aluminum alloy section: melting aluminum alloy in a melting furnace to obtain molten aluminum, and casting the molten aluminum into an aluminum alloy rod; extruding the aluminum alloy rod into an aluminum alloy section by an extruder; quenching the aluminum alloy section after molding;
s2, preparing a surface basic film coating on the surface of the aluminum alloy section by an electrophoresis coating method; the electrophoresis coating method comprises the steps of oxidizing the surface of the aluminum alloy section, and then carrying out electrophoresis on the aluminum alloy section to form a surface basic film coating on the outer surface of the aluminum alloy section;
s3, wrapping paper or plastic film outside the aluminum alloy section bar with the basic film coating, wherein the inner surface of the paper or plastic film is pre-attached with thermal transfer printing ink, and the thermal transfer printing ink is formed by mixing a pigment action layer, an ink auxiliary agent and a bonding material; the pigment action layer can be made into various wood grains; the ink auxiliary agent is a material which is ground, dispersed and uniformly combined with the pigment to improve the suitability of the ink auxiliary agent; the connecting material is a bearing medium of wood grain section pigment;
s4, sleeving a vacuum plastic bag outside the paper or plastic film, vacuumizing to enable the paper or plastic film to be flatly adhered to the surface of the aluminum profile, feeding the whole body into a heat transfer printing furnace after vacuumizing, setting the temperature of the heat transfer printing furnace to be 190-200 ℃, and after transfer printing for 14-15 min, enabling the heat transfer printing ink to permeate into the surface basic film coating, thereby finally obtaining the aluminum alloy wood grain profile with excellent quality.
After the surface base film coating is prepared in the step S2, the aluminum alloy profile is placed in a baking oven, and the surface base film coating is cured on the aluminum alloy profile by heating the baking oven.
And after the surface basic film coating is prepared in the step S2, measuring the thickness of the surface basic film coating by using a coating thickness gauge.
Example two: as shown in FIG. 1, a thermal transfer printing process for manufacturing a high-quality and environment-friendly aluminum alloy wood grain profile comprises the following steps:
s1, preparation of aluminum alloy section: melting aluminum alloy in a melting furnace to obtain molten aluminum, and casting the molten aluminum into an aluminum alloy rod; extruding the aluminum alloy rod into an aluminum alloy section by an extruder; quenching the aluminum alloy section after molding;
s2, preparing a surface basic film coating on the surface of the aluminum alloy section by adopting a powder spraying method; the powder spraying method is that the super-strong weather-resistant coating composed of wood grain powder and fluorocarbon powder is sprayed on the outer surface of the aluminum alloy section bar so as to form a surface basic film coating on the outer surface of the aluminum alloy section bar; the surface film manufactured on the surface of the aluminum alloy by the method is smooth, good in leveling property, high in film hardness and high in transferred wood grain definition;
s3, wrapping paper or plastic film outside the aluminum alloy section bar with the basic film coating, wherein the inner surface of the paper or plastic film is pre-attached with thermal transfer printing ink, and the thermal transfer printing ink is formed by mixing a pigment action layer, an ink auxiliary agent and a bonding material; the pigment action layer can be made into various wood grains; the ink auxiliary agent is a material which is ground, dispersed and uniformly combined with the pigment to improve the suitability of the ink auxiliary agent; the connecting material is a bearing medium of wood grain section pigment;
s4, sleeving a vacuum plastic bag outside the paper or plastic film, vacuumizing to enable the paper or plastic film to be flatly adhered to the surface of the aluminum profile, feeding the whole body into a heat transfer printing furnace after vacuumizing, setting the temperature of the heat transfer printing furnace to be 190-200 ℃, and after transfer printing for 14-15 min, enabling the heat transfer printing ink to permeate into the surface basic film coating, thereby finally obtaining the aluminum alloy wood grain profile with excellent quality.
After the surface base film coating is prepared in the step S2, the aluminum alloy profile is placed in a baking oven, and the surface base film coating is cured on the aluminum alloy profile by heating the baking oven.
And after the surface basic film coating is prepared in the step S2, measuring the thickness of the surface basic film coating by using a coating thickness gauge.
Example three: as shown in FIG. 1, a thermal transfer printing process for manufacturing a high-quality and environment-friendly aluminum alloy wood grain profile comprises the following steps:
s1, preparation of aluminum alloy section: melting aluminum alloy in a melting furnace to obtain molten aluminum, and casting the molten aluminum into an aluminum alloy rod; extruding the aluminum alloy rod into an aluminum alloy section by an extruder; quenching the aluminum alloy section after molding;
s2, preparing a surface basic film coating on the surface of the aluminum alloy section by adopting a fluorocarbon spraying method; the fluorocarbon spraying method is to spray a coating paint formed by mixing polyester resin, pigment and curing agent on the outer surface of the aluminum alloy section bar so as to form a surface basic film coating on the outer surface of the aluminum alloy section bar; the curing agent is mainly used for mixing with polyester resin to generate a cross-linked polymer to form a hardened high-molecular coating, and the surface of the aluminum alloy plays a role in protection in a state of being covered by the coating;
s3, wrapping paper or plastic film outside the aluminum alloy section bar with the basic film coating, wherein the inner surface of the paper or plastic film is pre-attached with thermal transfer printing ink, and the thermal transfer printing ink is formed by mixing a pigment action layer, an ink auxiliary agent and a bonding material; the pigment action layer can be made into various wood grains; the ink auxiliary agent is a material which is ground, dispersed and uniformly combined with the pigment to improve the suitability of the ink auxiliary agent; the connecting material is a bearing medium of wood grain section pigment;
s4, sleeving a vacuum plastic bag outside the paper or plastic film, vacuumizing to enable the paper or plastic film to be flatly adhered to the surface of the aluminum profile, feeding the whole body into a heat transfer printing furnace after vacuumizing, setting the temperature of the heat transfer printing furnace to be 190-200 ℃, and after transfer printing for 14-15 min, enabling the heat transfer printing ink to permeate into the surface basic film coating, thereby finally obtaining the aluminum alloy wood grain profile with excellent quality.
After the surface base film coating is prepared in the step S2, the aluminum alloy profile is placed in a baking oven, and the surface base film coating is cured on the aluminum alloy profile by heating the baking oven.
And after the surface basic film coating is prepared in the step S2, measuring the thickness of the surface basic film coating by using a coating thickness gauge.
Wood grain ink penetration test: as shown in FIG. 2, it can be seen that the polyurethane high hydroxyl powder used as the basic coating film coating material of the profile is unfavorable for the penetration transfer of the ink in the wood grain paper, has a very small penetration depth of the ink, and may have a great influence on the product quality and stability.
Therefore, the processes are that a surface basic film coating is firstly cured on the surface of the aluminum alloy section, and then wood grains penetrate into the surface basic film coating, so that the binding force between the wood grains and the aluminum alloy section is greatly increased; in addition, the wood grain permeates in the surface basic film coating, and the wood grain cannot fall off even if the outer surface is impacted by the outside, so that the service life of the aluminum alloy wood grain section is greatly prolonged, and the aluminum alloy wood grain section has the characteristic of high reliability.
Claims (2)
1. A thermal transfer printing manufacturing process of a high-quality environment-friendly aluminum alloy wood grain profile is characterized by comprising the following steps of: it comprises the following steps:
s1, preparation of aluminum alloy section: melting aluminum alloy in a melting furnace to obtain molten aluminum, and casting the molten aluminum into an aluminum alloy rod; extruding the aluminum alloy rod into an aluminum alloy section by an extruder; quenching the aluminum alloy section after molding;
s2, preparing a surface basic film coating on the surface of the aluminum alloy section, preparing the surface basic film coating by adopting a powder spraying method or a fluorocarbon spraying method, putting the aluminum alloy section into a baking furnace, and heating the aluminum alloy section by the baking furnace to solidify the surface basic film coating on the aluminum alloy section;
the powder spraying method is that the super-strong weather-resistant coating composed of wood grain powder and fluorocarbon powder is sprayed on the outer surface of the aluminum alloy section bar so as to form a surface basic film coating on the outer surface of the aluminum alloy section bar;
the fluorocarbon spraying method is to spray a coating paint formed by mixing polyester resin, pigment and curing agent on the outer surface of the aluminum alloy section bar so as to form a surface basic film coating on the outer surface of the aluminum alloy section bar;
s3, wrapping paper or plastic film outside the aluminum alloy section bar with the basic film coating, wherein the inner surface of the paper or plastic film is pre-attached with thermal transfer printing ink, and the thermal transfer printing ink is formed by mixing a pigment action layer, an ink auxiliary agent and a bonding material;
s4, sleeving a vacuum plastic bag outside the paper or plastic film, vacuumizing to enable the paper or plastic film to be flatly adhered to the surface of the aluminum profile, feeding the whole body into a heat transfer printing furnace after vacuumizing, setting the temperature of the heat transfer printing furnace to be 190-200 ℃, and after transferring for 14-15 min, enabling the heat transfer printing ink to permeate into the surface basic film coating, thereby finally obtaining the aluminum alloy wood grain profile with excellent quality.
2. The thermal transfer printing manufacturing process of the high-quality environment-friendly aluminum alloy wood grain profile as claimed in claim 1, is characterized in that: and after the surface basic film coating is prepared in the step S2, measuring the thickness of the surface basic film coating by using a coating thickness gauge.
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| US4091126A (en) * | 1976-03-05 | 1978-05-23 | Kabushiki Kaisha Hidan Seisakusho | Method of dyeing a pattern like the grain of wood on the surface of an aluminum |
| CN1760497B (en) * | 2004-10-15 | 2010-10-06 | 上海振兴铝业有限公司 | Weatherproof color shape bars in aluminium alloy, and manufacturing method |
| CN1903588B (en) * | 2006-08-03 | 2010-10-13 | 上海新大余氟碳喷涂材料有限公司 | Fluorocarbon art flock curtain wall board with anti-dirty and automatic cleaning function, and its preparation method |
| CN105034673B (en) * | 2015-08-04 | 2018-04-13 | 浙江富丽华铝业有限公司 | A kind of aluminium section bar embossment wood grain process of surface treatment |
| CN108274940A (en) * | 2018-02-11 | 2018-07-13 | 刘元鑫 | Wood grain aluminum alloy production process |
| CN108481991A (en) * | 2018-03-09 | 2018-09-04 | 广东新大明铝业有限公司 | Extra-weather-proof wood grain aluminium alloy extrusions processing method |
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