CN114165010B - 3D flat-plate printing decorative plate based on electron beam curing technology and application thereof - Google Patents
3D flat-plate printing decorative plate based on electron beam curing technology and application thereof Download PDFInfo
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- CN114165010B CN114165010B CN202111373761.8A CN202111373761A CN114165010B CN 114165010 B CN114165010 B CN 114165010B CN 202111373761 A CN202111373761 A CN 202111373761A CN 114165010 B CN114165010 B CN 114165010B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/0461—Ornamental plaques, e.g. decorative panels, decorative veneers used as wall coverings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0871—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having an ornamental or specially shaped visible surface
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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Abstract
The 3D flat-plate printing decorative plate based on the electron beam curing technology comprises a substrate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer from bottom to top in sequence; the primer layer, the pattern layer, the wear layer and the texture layer are made of UV paint. The scratch-resistant layer is formed by uniformly coating the surface of the texture layer with transparent coating cured by electron beam radiation, wherein the average dosage of the transparent coating is as follows: 10-14 g/square meter; and then curing by using electron beam radiation, and adjusting the energy of the electron beam to 30-40 kgy. The scratch-resistant layer fully protects the coating below the scratch-resistant layer, solves the problem of insufficient ageing resistance of UV curing ink, and can also be used for manufacturing a pattern layer by using UV ink with small content of photoinitiator.
Description
Technical Field
The technical scheme is application of a material technology in the technical field of decorative boards, and particularly relates to a 3D flat-plate printing decorative board based on an electron beam curing technology.
Background
In the prior art, the manufacture of decorative plates such as density plates, stone plastic plates, glass magnesium plates and the like can be implemented by adopting a flat printing process. The principle of the process is that the base color is processed on the substrate (white is used mostly), then a flat-bed printer is adopted to spray UV ink on the base color layer to form patterns, and UV is adopted to cure. The process has the advantages that the processing process is simple, the plate is manufactured without the modes of color film sticking and the like, and glue and hot pressing/cold pressing processes are not used; the printing pattern is flexible, the pattern is edited in computer software, and the pattern is printed by a flat panel printer. But the drawbacks mainly come from the UV curing process. While UV curing has replaced more defective thermal curing in the art:
1. the UV curing requires a photoinitiator with high price, and the cost of ink and the like is high; the photoinitiator and the photodecomposition products migrate and volatilize, and have peculiar smell; the aging resistance of the ink and the like is insufficient; can not be used in the places such as food and medicine.
2. Particularly, in the case of colored coatings such as ink and paint, there is a problem that UV curing is difficult to penetrate due to the absorption of light by pigments, and a common method for solving the problem is to increase the amount of photoinitiator.
In summary, the problem that is difficult to solve in the conventional UV curing is the peculiar smell caused by the photoinitiator and the insufficient aging resistance of the ink.
Disclosure of Invention
In order to solve the problems existing in the prior art in the manufacturing process of the decorative plate by adopting UV ink, the invention provides a novel decorative plate, wherein a pattern layer is printed on a substrate by adopting a flat-bed printer, a wear-resistant coating is coated on the surface of the pattern layer to form a wear-resistant layer, a varnish is sprayed on the surface of the wear-resistant layer by adopting the flat-bed printer to form a texture layer, and finally a finishing paint is coated on the surface of the texture layer to form a scratch-resistant layer.
The invention relates to a 3D flat-plate printing decorative plate based on an electron beam curing technology and application thereof, wherein the 3D flat-plate printing decorative plate comprises a substrate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer from bottom to top in sequence;
the primer layer is made of a UV primer; the pattern layer is made of spray painting color UV ink; the wear-resistant layer is made of UV wear-resistant paint; the texture layer is made of spray-painted transparent UV ink; the scratch-resistant layer is made of transparent coating cured by electron beam radiation;
the manufacturing steps of the decorative plate comprise:
1) Uniformly coating the UV primer on the surface of the substrate, and carrying out radiation curing by using ultraviolet rays with corresponding energy according to the unit dosage of the UV primer;
2) Printing the colors of the design pattern on the surface of the primer layer by using an ink-jet flat-bed printer, and curing to obtain a pattern layer;
3) Coating the UV wear-resistant coating on the surface of the pattern layer, and carrying out radiation curing by using ultraviolet rays with corresponding energy according to the unit dosage of the UV wear-resistant coating;
4) Printing out the texture of the design drawing on the surface of the wear-resistant layer by using an ink-jet flat printer, and solidifying to obtain a texture layer;
5) Uniformly coating the transparent coating cured by electron beam radiation on the surface of the texture layer, wherein the average dosage of the transparent coating is as follows: 10-14 g/square meter; then, electron beam radiation curing is carried out, and the energy of the electron beam is adjusted to 30-40 kgy;
and curing to obtain the decorative plate product.
Further: the primer layer is prepared from UV primer according to the dosage of 20-24 g/square meter, and is irradiated and cured by an ultraviolet lamp with a mercury lamp light source, and the energy of the lamp light is adjusted to 190-280 mJ; the wear-resistant layer is made of UV wear-resistant paint according to the dosage of 64-96 g/square meter, and is irradiated and cured by an ultraviolet lamp of a mercury lamp light source, and the energy of the lamp light is adjusted to 240-280 mJ.
Further: in the steps 1), 3) and 5), the coating mode used is roller coating or curtain coating.
Further: the base plate is a density board (furniture veneer), a stone plastic board (floor) and a glass magnesium board (wallboard), and at the moment, the decorative board is used as the floor, the wallboard or the furniture veneer.
Further: the substrate is a PP film, a PET film or a PVC film with the thickness of 0.1-1.0 mm, and the substrate is a plate decorative protection film. When the protective film is used, the adhesive film is coated on the bottom surface of the PP film, the PET film or the PVC film on site, or the adhesive layer is pre-coated in production.
Further: in the steps 1) to 4), the production environment temperature is controlled to be 15-25 ℃.
The laminated structure of the decorative board is the same as that of the decorative board in the prior art, and the difference is mainly the coating used by each functional layer and the unit dosage. The combination of the processing technology ensures that the decorative board has better functions and performances and is more convenient for production.
In the technical scheme, the penetration depth of the electron beam is large; the electron beam causes chemical bonding (e.g., grafting) between the coating materials of the scratch-resistant layer and between the coating materials of its adjacent layers, improving the adhesion of the scratch-resistant layer. The cured scratch-resistant layer can completely seal the UV cured coating, so that peculiar smell brought by the photoinitiator cannot be emitted into the air. The scratch-resistant layer fully protects the coating below the scratch-resistant layer, solves the problem of insufficient ageing resistance of UV curing ink, and can also be used for manufacturing a pattern layer by using UV ink with small content of photoinitiator.
Drawings
Fig. 1 is a schematic view of the layered structure of the present decorative sheet.
Detailed Description
A 3D flat-plate printing decorative plate based on an electron beam curing technology, which sequentially comprises a substrate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer from bottom to top with reference to FIG. 1;
the primer layer is made of a UV primer; the pattern layer is made of spray painting color UV ink; the wear-resistant layer is made of UV wear-resistant paint; the texture layer is made of spray-painted transparent UV ink; the scratch-resistant layer is made of transparent coating cured by electron beam radiation;
the manufacturing steps of the decorative plate comprise:
1) Uniformly coating the UV primer on the surface of the substrate, and carrying out radiation curing by using ultraviolet rays with corresponding energy according to the unit dosage of the UV primer;
2) Printing the colors of the design pattern on the surface of the primer layer by using an ink-jet flat-bed printer, and curing to obtain a pattern layer;
3) Coating the UV wear-resistant coating on the surface of the pattern layer, and carrying out radiation curing by using ultraviolet rays with corresponding energy according to the unit dosage of the UV wear-resistant coating;
4) Printing out the texture of the design drawing on the surface of the wear-resistant layer by using an ink-jet flat printer, and solidifying to obtain a texture layer;
5) Uniformly coating the transparent coating cured by electron beam radiation on the surface of the texture layer, wherein the average dosage of the transparent coating is as follows: 10-14 g/square meter; then, electron beam radiation curing is carried out, and the energy of the electron beam is adjusted to 30-40 kgy;
and curing to obtain the decorative plate product.
In the steps 1 to 4, the production environment temperature is controlled to be 15 to 25 ℃. UV coatings vary greatly in viscosity due to temperature, so the ambient temperature is tightly controlled and care is taken not to be exposed to direct sunlight during production.
The invention is described below in connection with specific embodiments:
in various examples, the UV paint and UV ink used were all made of Kunlun paint (Shanghai) Inc., and the white UV primer used as the primer layer was a 161-900-00470 type UV primer; the pattern layer uses HP/CY01 type blue ink, HP/YE01 type yellow ink and UH012-RD type red ink; the wear-resistant layer uses a UV wear-resistant paint which is 161-900-08160 type UV primer; the texture layer uses an M-1P025-NS transparent top coat.
The electron beam radiation cured clear coat used was product Remmers Industrielacke GmbH, model NS-EB038.
Example 1 for flooring
The floor has the structure that a base plate, a primer layer, a pattern layer, a wear-resistant layer (the same 3 layers are arranged from bottom to top), a texture layer and a scratch-resistant layer are sequentially arranged from bottom to top; the substrate is a stone-plastic plate.
The manufacturing steps comprise:
1) Firstly, uniformly rolling a white UV primer on the surface of a substrate by using a roller coater, wherein the dosage of the white UV primer is as follows: 20 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to irradiate and solidify, and adjusting the light energy to 200mJ;
2) Printing the colors of the design pattern on the surface of the primer layer by using an ink-jet flat-bed printer, and curing to obtain a pattern layer;
3.1 Using a roller coater to roll coat the UV wear-resistant coating on the surface of the pattern layer, then using a mercury lamp light source ultraviolet lamp to irradiate and solidify, adjusting the lamp light energy to 90mJ, and finally preparing a wear-resistant layer;
3.2 Repeating the step 3.1) twice to prepare another 2 layers of wear-resistant layers; the total amount of UV abrasion-resistant paint used for preparing the three abrasion-resistant layers in the steps 3.1) and 3.2) is 96 g/square meter;
4) Printing out the texture of the design drawing on the surface of the wear-resistant layer by using an ink-jet flat printer, and solidifying to obtain a texture layer;
5) Firstly, uniformly rolling a transparent coating cured by electron beam radiation by using a roller coater, wherein the average dosage of the transparent coating is as follows: 14 grams per square meter; and then cured with electron beam radiation, the electron beam energy being adjusted to 40kgy.
The wear-resisting standard of the product adopts ASTMD3884 and H18, and the wear-resisting grade exceeds the standard AC 6.
Example 2, furniture veneer
The structure of the furniture veneer is that a base plate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer are sequentially arranged from bottom to top; the substrate is a density board.
The manufacturing steps comprise:
1) Firstly, uniformly spraying a white UV primer on the surface of a substrate by using a curtain coater, wherein the dosage of the white UV primer is as follows: 24 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to carry out irradiation curing, and adjusting the light energy to 280mJ; because the furniture veneer has higher requirements on the aesthetic degree of the pattern, and the surface of the density board has a plurality of tiny air holes, the air holes can be well filled by adopting a curtain coating process, and the thickened primer layer covers the color of the substrate. The shower coating process has part of the coating lost, so the process consumption is larger.
2) Printing the colors of the design pattern on the surface of the primer layer by using an ink-jet flat-bed printer, and curing to obtain a pattern layer;
3) Using a roller coater to roll-coat the UV abrasion-resistant coating on the surface of the pattern layer, wherein the dosage of the UV abrasion-resistant coating is as follows: 64 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to carry out irradiation curing, and adjusting the light energy to 240mJ;
4) Printing out the texture of the design drawing on the surface of the wear-resistant layer by using an ink-jet flat printer, and solidifying to obtain a texture layer;
5) Firstly, uniformly rolling a transparent coating cured by electron beam radiation by using a roller coater, wherein the average dosage of the transparent coating is as follows: 12 grams per square meter; and then cured with electron beam radiation, the electron beam energy being adjusted to 36kgy.
The wear-resisting standard of the product adopts ASTMD3884 and H18, and the wear-resisting grade exceeds the standard AC 6.
In this example, the wear-resistant layer has a relatively low thickness compared to the floor, since it is used for furniture veneer, and the wear-resistant requirement is not high. However, the thickness is large because the veneer is used indoors to adequately seal the volatilized photoinitiator in the UV coating.
Example 3 for wallboard
The wallboard has the structure that a base plate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer are sequentially arranged from bottom to top; the substrate is a glass magnesium board.
The manufacturing steps comprise:
1) Firstly, uniformly spraying a white UV primer on the surface of a substrate by using a curtain coater, wherein the dosage of the white UV primer is as follows: 20 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to carry out irradiation curing, and adjusting the light energy to 190mJ;
because the surface of the glass magnesium board is provided with a plurality of tiny air holes, the air holes can be well filled by adopting a curtain coating process.
2) Printing the colors of the design pattern on the surface of the primer layer by using an ink-jet flat-bed printer, and curing to obtain a pattern layer;
3) The UV wear-resistant paint is coated on the surface of the pattern layer by using a curtain coater, and the dosage of the UV wear-resistant paint is as follows: 70 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to irradiate and solidify, and adjusting the light energy to 250mJ; adopting a curtain coating process to further planarize the surface of the plate;
4) Printing out the texture of the design drawing on the surface of the wear-resistant layer by using an ink-jet flat printer, and solidifying to obtain a texture layer;
5) The electron beam radiation cured transparent coating is uniformly coated by a curtain coater, and the average dosage of the transparent coating is as follows: 10 grams per square meter; and then cured with electron beam radiation, the electron beam energy being adjusted to 30kgy.
The wear-resisting standard of the product adopts ASTMD3884 and H18, and the wear-resisting grade exceeds the standard AC 6.
In the embodiment, the coating is used for wallboard, so that the wear-resisting requirement, the attractive pattern requirement and the like are relatively low, and the production efficiency can be improved better by adopting a curtain coating process.
Example 4, decorative protective film for Panel
The structure of the plate decorative protective film is that a base plate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer are sequentially arranged from bottom to top; the substrate was a PET film having a thickness of 0.2 mm. In the production process, the process of manufacturing each functional layer on the PP film, the PET film or the PVC film is basically the same, and different substrates are adopted according to different use scenes of the product, for example, the PVC film (1 mm thick) can be made transparent, so that in the application scene, the pattern effect of the protective film product can be combined with the attached surface color, and in the special case, the transparent UV primer is needed to be used for the primer layer.
This example is illustrated with a PET film of 0.2 mm.
The manufacturing steps comprise:
1) Firstly, uniformly spraying a white UV primer on the surface of a substrate by using a curtain coater, wherein the dosage of the white UV primer is as follows: 24 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to carry out irradiation curing, and adjusting the light energy to 280mJ; if the substrate is a transparent film, the primer herein is replaced with a similar transparent primer. Because the PET film is lighter, the film can be adhered by the rubber roller under the roller coating process, so the curtain coating process is adopted.
2) Printing the colors of the design pattern on the surface of the primer layer by using an ink-jet flat-bed printer, and curing to obtain a pattern layer;
3) Coating the UV wear-resistant coating on the surface of the pattern layer by using a curtain coater, and then carrying out irradiation curing by using a mercury lamp light source ultraviolet lamp; the total dosage of the UV wear-resistant paint is 64 g/square meter, the light energy of the lamp is adjusted to 240mJ, and finally a wear-resistant layer is prepared; since the PET film has abrasion resistance, the thickness of the abrasion resistant layer is not required to be high.
4) Printing out the texture of the design drawing on the surface of the wear-resistant layer by using an ink-jet flat printer, and solidifying to obtain a texture layer;
5) The electron beam radiation cured transparent coating is uniformly coated by a curtain coater, and the average dosage of the transparent coating is as follows: 10 grams per square meter; and then cured with electron beam radiation, the electron beam energy being adjusted to 30kgy.
The wear-resisting standard of the product adopts ASTMD3884 and H18, and the wear-resisting grade exceeds the standard AC 6.
In the above examples, the wear resistance is good, and the process rationality of the transparent coating cured by electron beam radiation, the dosage and the curing energy can be verified. The electron beam radiation curing coating and the physicochemical properties thereof can solve the problems of peculiar smell of a photoinitiator, insufficient ageing resistance of ink and the like caused by traditional UV curing.
Claims (2)
1. The 3D flat-plate printing decorative plate based on the electron beam curing technology comprises a substrate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer from bottom to top in sequence; the primer layer is made of a UV primer; the pattern layer is made of spray painting color UV ink; the wear-resistant layer is made of UV wear-resistant paint; the texture layer is made of spray-painted transparent UV ink, and is characterized in that the scratch-resistant layer is made of transparent coating cured by electron beam radiation;
the manufacturing steps of the decorative plate comprise:
1) Uniformly coating the UV primer on the surface of the substrate, and carrying out radiation curing by using ultraviolet rays with corresponding energy according to the unit dosage of the UV primer;
2) Printing the colors of the design pattern on the surface of the primer layer by using an ink-jet flat-bed printer, and curing to obtain a pattern layer;
3) Coating the UV wear-resistant coating on the surface of the pattern layer, and carrying out radiation curing by using ultraviolet rays with corresponding energy according to the unit dosage of the UV wear-resistant coating;
4) Printing out the texture of the design drawing on the surface of the wear-resistant layer by using an ink-jet flat printer, and solidifying to obtain a texture layer;
5) Uniformly coating the transparent coating cured by electron beam radiation on the surface of the texture layer, wherein the average dosage of the transparent coating is as follows: 10-14 g/square meter; then, electron beam radiation curing is carried out, and the energy of the electron beam is adjusted to 30-40 kgy;
curing to obtain a decorative plate product;
the decorative board product is for floors; the floor has the structure of a base plate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer from bottom to top; the base plate is a stone plastic plate; the wear-resistant layer is the same 3 layers from bottom to top; the manufacturing steps comprise:
in the step 1), a roller coater is firstly used for uniformly rolling the white UV primer on the surface of the substrate, and the dosage of the white UV primer is as follows: 20 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to irradiate and solidify, and adjusting the light energy to 200mJ;
in the step 2), using an ink-jet flat-bed printer to print the colors of the design pattern on the surface of the primer layer and solidifying the colors to obtain a pattern layer;
in the step 3) of the method,
3.1 Using a roller coater to roll coat the UV wear-resistant coating on the surface of the pattern layer, then using a mercury lamp light source ultraviolet lamp to irradiate and solidify, adjusting the lamp light energy to 90mJ, and finally preparing a wear-resistant layer;
3.2 Repeating the step 3.1) twice to prepare another 2 layers of wear-resistant layers; the total amount of UV abrasion-resistant paint used for preparing the three abrasion-resistant layers in the steps 3.1) and 3.2) is 96 g/square meter;
in the step 4), using an ink-jet flat-bed printer to print out the texture of the design drawing on the surface of the wear-resistant layer and solidifying the texture to obtain a texture layer;
in the step 5), the transparent coating cured by electron beam radiation is uniformly rolled by a roller coater, wherein the average dosage of the transparent coating is as follows: 14 grams per square meter; then, the electron beam is used for radiation curing, and the energy of the electron beam is adjusted to 40kgy;
the decorative board product is used for furniture decorative boards; the structure of the furniture veneer is that a base plate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer are sequentially arranged from bottom to top; the substrate is a density board; the manufacturing steps comprise:
in the step 1), a curtain coater is firstly used for uniformly curtain coating the white UV primer on the surface of the substrate, and the dosage of the white UV primer is as follows: 24 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to carry out irradiation curing, and adjusting the light energy to 280mJ;
in the step 2), using an ink-jet flat-bed printer to print the colors of the design pattern on the surface of the primer layer and solidifying the colors to obtain a pattern layer;
in the step 3), a roller coater is used for rolling the UV abrasion-resistant coating on the surface of the pattern layer, and the dosage of the UV abrasion-resistant coating is as follows: 64 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to carry out irradiation curing, and adjusting the light energy to 240mJ;
in the step 4), using an ink-jet flat-bed printer to print out the texture of the design drawing on the surface of the wear-resistant layer and solidifying the texture to obtain a texture layer;
in the step 5), the transparent coating cured by electron beam radiation is uniformly rolled by a roller coater, wherein the average dosage of the transparent coating is as follows: 12 grams per square meter; then, the electron beam is used for radiation curing, and the energy of the electron beam is adjusted to 36kgy;
the decorative board product is for wallboard; the wallboard has the structure that a base plate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer are sequentially arranged from bottom to top; the substrate is a glass magnesium plate; the manufacturing steps comprise:
in the step 1), a curtain coater is firstly used for uniformly curtain coating the white UV primer on the surface of the substrate, and the dosage of the white UV primer is as follows: 20 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to carry out irradiation curing, and adjusting the light energy to 190mJ;
in the step 2), using an ink-jet flat-bed printer to print the colors of the design pattern on the surface of the primer layer and solidifying the colors to obtain a pattern layer;
in the step 3), the UV wear-resistant paint is coated on the surface of the pattern layer by using a curtain coater, wherein the dosage of the UV wear-resistant paint is as follows: 70 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to irradiate and solidify, and adjusting the light energy to 250mJ; adopting a curtain coating process to further planarize the surface of the plate;
in the step 4), using an ink-jet flat-bed printer to print out the texture of the design drawing on the surface of the wear-resistant layer and solidifying the texture to obtain a texture layer;
in the step 5), the transparent coating cured by electron beam radiation is uniformly coated by a curtain coater, wherein the average dosage of the transparent coating is as follows: 10 grams per square meter; then, the electron beam is used for radiation curing, and the energy of the electron beam is adjusted to 30kgy;
the decorative board product is used for a board decorative protective film; the structure of the plate decorative protective film is that a base plate, a primer layer, a pattern layer, a wear-resistant layer, a texture layer and a scratch-resistant layer are sequentially arranged from bottom to top; the substrate is a PP film, a PET film or a PVC film; the manufacturing steps comprise:
in the step 1), a curtain coater is firstly used for uniformly curtain coating the white UV primer on the surface of the substrate, and the dosage of the white UV primer is as follows: 24 grams per square meter; then, using a mercury lamp light source ultraviolet lamp to carry out irradiation curing, and adjusting the light energy to 280mJ; if the substrate is a transparent film, the primer is replaced by the same type of transparent primer;
in the step 2), using an ink-jet flat-bed printer to print the colors of the design pattern on the surface of the primer layer and solidifying the colors to obtain a pattern layer;
in the step 3), a curtain coater is used for curtain coating the UV wear-resistant paint on the surface of the pattern layer, and then a mercury lamp light source ultraviolet lamp is used for irradiation curing; the total dosage of the UV wear-resistant paint is 64 g/square meter, the light energy of the lamp is adjusted to 240mJ, and finally a wear-resistant layer is prepared;
in the step 4), using an ink-jet flat-bed printer to print out the texture of the design drawing on the surface of the wear-resistant layer and solidifying the texture to obtain a texture layer;
in the step 5), the transparent coating cured by electron beam radiation is uniformly coated by a curtain coater, wherein the average dosage of the transparent coating is as follows: 10 grams per square meter; and then cured with electron beam radiation, the electron beam energy being adjusted to 30kgy.
2. The electron beam curing technology-based 3D lithographic decorative sheet according to claim 1, wherein in steps 1) to 4), the production environment temperature is controlled to be 15 to 25 ℃.
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| EP2700508A1 (en) * | 2012-08-24 | 2014-02-26 | Akzenta Paneele + Profile GmbH | Method for printing a wall or floor panel |
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