WO2018006799A1 - 一种金属材料及其用途 - Google Patents

一种金属材料及其用途 Download PDF

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Publication number
WO2018006799A1
WO2018006799A1 PCT/CN2017/091688 CN2017091688W WO2018006799A1 WO 2018006799 A1 WO2018006799 A1 WO 2018006799A1 CN 2017091688 W CN2017091688 W CN 2017091688W WO 2018006799 A1 WO2018006799 A1 WO 2018006799A1
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WIPO (PCT)
Prior art keywords
coating
metal material
combination
precoated
digital printing
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Application number
PCT/CN2017/091688
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English (en)
French (fr)
Inventor
章文华
Original Assignee
苏州镓祥新材料科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201610520005.6A external-priority patent/CN105907268B/zh
Priority claimed from CN201610520034.2A external-priority patent/CN105969110B/zh
Priority claimed from CN201610522099.0A external-priority patent/CN105925149B/zh
Application filed by 苏州镓祥新材料科技有限公司 filed Critical 苏州镓祥新材料科技有限公司
Publication of WO2018006799A1 publication Critical patent/WO2018006799A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D123/04—Homopolymers or copolymers of ethene
    • C09D123/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C09D161/32—Modified amine-aldehyde condensates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C09D163/10—Epoxy resins modified by unsaturated compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes

Definitions

  • the invention belongs to the field of color coated sheets, and relates to a metal material which can be processed by sheet metal processing based on UV digital printing combined with surface photocuring coating.
  • the existing writing board adopts PCM board (three-coating three-baked paint galvanized cold-rolled sheet), which has the following defects: low gloss, roughly above 35 (GB28231-2011); short wiping period, writing with water-based pen When there is water-based pen watermark and color residue; polyester paint film is soft, the surface deformation when writing, wiping with white; polyester paint drying and curing cross-linking gap is large, causing the water-based ink to penetrate the color residue during writing; the film is soft, Large surface voids also cause scratch resistance.
  • PCM board three-coating three-baked paint galvanized cold-rolled sheet
  • UV coating is an environmentally friendly coating with energy saving and high production efficiency. It is widely used in flooring, furniture, electrical appliances and cosmetics. It is also used in the field of steel plates. It can be used on steel plates to protect the original steel plates. The color pattern, and the hardness of the coating film is moderate, the hand feels smooth, and the friction is resistant, and the original appearance of the steel plate can be changed, which can reflect the high light or matte effect.
  • the existing UV coatings applied to steel sheets have defects such as hard coating, brittleness, and large shrinkage, as well as poor bending properties and poor scratch resistance.
  • the traditional paint that is, the conventional single color product, can no longer satisfy the demand for the appearance of the home appliance.
  • the surface of the coating film with a surface color pattern can give people a rich color feeling, and more and more meet the needs of the market.
  • the paint used in the printing of the color coated board means that the produced color coated board can print various beautiful patterns on the surface coating.
  • the coatings for color-coated plates used in the market in order to meet the processing properties, scratch resistance, chemical resistance and the like of the post-processing, the coatings need to achieve a certain degree of crosslinking and resistance when designing the coating. Slip and other properties, and then use the plate of this paint to print, the adhesion of the ink and the paint film is poor, and it is easy to cause defects such as ink shedding.
  • the present invention is directed to providing a metal material that can be used for digital printing.
  • the invention also provides the application of such a metal material in home appliances, construction and the like.
  • a precoated plate for digital printing comprising a substrate and a top coat disposed on the substrate; the substrate being a metal plate;
  • the coating formulation used for the topcoat is: by weight percent, the raw material formulation of the topcoat comprises the following components:
  • the functional auxiliary agent is one or a combination of an acrylic modified polyester, 2-butoxyethanol, and dipropylene glycol monomethyl ether.
  • the pre-coated board comprises a three-layer structure, which is a substrate and an anticorrosive primer layer and a top coat layer which are sequentially disposed on the substrate, and the top coat layer is disposed on the anticorrosive primer Above the layer.
  • the functional auxiliary agent is a combination of an acrylic modified polyester, 2-butoxyethanol, and dipropylene glycol monomethyl ether, wherein the mass percentage is The acrylic modified polyester is 60-80%, 2-butoxyethanol is 10-20%, and dipropylene glycol monomethyl ether is 10-20%.
  • the crosslinked resin is methyl etherified melamine formaldehyde resin.
  • the catalyst is sodium dodecylbenzenesulfonate, one of p-toluenesulfonic acid, or a combination of both.
  • the wetting and dispersing agent is a modified polyester.
  • a metal material for processing a sheet metal process based on a digital printing combined with a surface photocurable coating comprising the precoated plate provided by the present invention as described above and formed in the pre The ink layer on the topcoat of the coated panel.
  • the ink layer is printed on the topcoat.
  • the ink layer is provided with a protective coating;
  • the coating used for the protective coating is a UV coating, and the raw material formulation of the UV coating comprises the following components in terms of weight percent :
  • the photoinitiator is one of or a combination of 2 hydroxy-2-methyl-1-phenylacetone, benzophenone.
  • the UV monomer is one of an epoxy acrylate resin, a modified epoxy acrylate resin, or a combination of both.
  • the metallic material is a color coated plate.
  • a UV coating comprising, by weight percent, a raw material formulation of the UV coating comprising the following components:
  • the photoinitiator is one of or a combination of 2 hydroxy-2-methyl-1-phenylacetone, benzophenone.
  • the UV monomer is one of an epoxy acrylate resin, a modified epoxy acrylate resin, or a combination of both.
  • a UV coating provided by the invention as described above, which is used as a protective coating for a metallic material provided by the invention as described above or for use in the manufacture of The metal material provided by the present invention is described.
  • a coating comprising, by weight percent, a raw material formulation of the coating comprising the following components:
  • the functional auxiliary agent is one or a combination of an acrylic modified polyester, 2-butoxyethanol, and dipropylene glycol monomethyl ether.
  • the functional auxiliary agent is a combination of an acrylic modified polyester, 2-butoxyethanol, and dipropylene glycol monomethyl ether, wherein the mass percentage is The acrylic modified polyester is 60-80%, 2-butoxyethanol is 10-20%, and dipropylene glycol monomethyl ether is 10-20%.
  • the crosslinked resin is methyl etherified melamine formaldehyde resin.
  • the catalyst is sodium dodecylbenzenesulfonate, one of p-toluenesulfonic acid, or a combination of both.
  • the wetting and dispersing agent is a modified polyester.
  • a coating according to the invention as described above which is used as a topcoat of a precoated panel provided by the invention as described above, for use as described above
  • the present invention provides a topcoat of a metallic material or for making a metallic material as provided by the present invention as described above.
  • a UV curable coating comprising, by weight percent, a raw material formulation of the UV curable coating comprising the following components:
  • the antifouling material is a combination of one or more of silicone, perfluoroalkylethyl acrylate, polytetrafluoroethylene emulsion, silane coupling agent, and hydrogen silicone oil.
  • the UV monomer is one of an epoxy acrylate resin, a modified epoxy acrylate resin, or a combination of both.
  • the yellowing resistant resin is one of an aliphatic isocyanate, a yellowing resistant polyurethane, or a combination of both.
  • the photoinitiator is one of or a combination of 2-hydroxy-2-methyl-1-phenylacetone, benzophenone.
  • the leveling agent is an acrylic leveling agent.
  • a high gloss, high hardness, easy to scrub, scrub resistant metal material comprising the precoated sheet provided by the invention as described above and disposed on the precoat A protective coating on the topcoat of the panel; the coating used in the protective coating is the UV curable coating provided by the present invention as described above.
  • the metallic material is a writing board.
  • a ninth aspect of the invention there is provided a use of the UV-curable coating provided by the invention as described above in the manufacture of a writing tablet.
  • an eleventh aspect of the present invention there is provided a use of the precoated sheet provided by the present invention as described above for the production of a metal material for processing a sheet metal processing based on a digital printing combined with a surface photocurable coating.
  • the metal material is used to make a whole bathroom, a wall, a home appliance refrigerator, and a washing machine.
  • the present invention provides a metal material that can be used for digital printing, including writing and color-coated panels.
  • FIG. 1 shows a metal material for processing a sheet metal processing based on a UV digital printing combined with a surface photocurable coating provided by the present invention
  • Fig. 1A is a sample of a single piece of metal material patterned in marble;
  • Fig. 1B is an effect of making a whole bathroom with the metal material of the pattern, which is used for the wall surface of the whole bathroom.
  • FIG. 2 shows a metal material for processing a sheet metal processing based on a UV digital printing combined with a surface photocurable coating provided by the present invention
  • Fig. 2A is a single-piece sample patterned in wood grain; and Fig. 2B is an effect of making a whole bathroom with the metal material of the pattern, which is used for the wall surface of the whole bathroom.
  • Figure 3 shows the use of the UV digital printing combined with a surface photocurable coating to provide sheet metal processing using the present invention.
  • Fig. 4A is a wall surface made; Fig. 4B is a metal portion of the drum of the washing machine.
  • the inventors have conducted extensive and intensive research and found that a precoated plate obtained by subjecting a substrate (a plated cold plate or a metal plate, preferably a steel plate) to a certain treatment can be used for digital printing.
  • the so-called "certain treatment” includes coating a corrosion-resistant underlayer on a substrate and then coating a coating on the anti-corrosion substrate, that is, a colored layer, and the raw material formulation of the top coating contains a functional auxiliary, the functional auxiliary It is a combination of one or more of an acrylic modified polyester, 2-butoxyethanol, and dipropylene glycol monomethyl ether.
  • the above-mentioned pre-coated plate can be used for digital printing.
  • a metal material can be obtained which can be processed by a digital printing combined with a surface-curing coating.
  • the metal material can be bent at will, and the digital printing device can be used. It is a UV digital printer known in the art.
  • the surface layer of the pre-coated board is provided with an ink layer, and the pattern and color of the ink layer are output through a computer connected to the digital printing device, so that it can be The ever-changing, including the uneven effect of the three-dimensional effect.
  • the above-described metal material having a pattern may be spliced to form a metal material of any size and seamlessly joined by the pattern.
  • the ink layer is further provided with a protective coating to prevent the ink from falling off.
  • the coating used for the protective coating is a UV coating.
  • undercoat In the present invention, “undercoat”, “anticorrosive primer” and “anticorrosive primer” are used interchangeably.
  • the present invention provides a coating comprising, by weight percent, a raw material formulation of the coating comprising the following components:
  • the functional auxiliary agent is one of acrylic modified polyester, 2-butoxyethanol, dipropylene glycol monomethyl ether or Several combinations.
  • the functional auxiliary agent is a combination of an acrylic modified polyester, 2-butoxyethanol, and dipropylene glycol monomethyl ether, wherein the acrylic modified poly is based on a mass percentage.
  • the ester is 60-80%
  • 2-butoxyethanol is 10-20%
  • dipropylene glycol monomethyl ether is 10-20%.
  • the functional additive can migrate to the surface of the paint film in a very short time; its molecular structure has a reactive group, which can react with the double bond in the UV ink or paint to improve the UV ink in the functional additive.
  • the special active group has high temperature stability, and can withstand high temperature and structural stability during the process of curing the film.
  • solvent oil is S-150 mineral spirit.
  • wetting and dispersing agent is a modified polyester.
  • the leveling agent is an acrylic leveling agent
  • crosslinked resin is methyl etherified melamine formaldehyde resin.
  • DBE a high boiling point solvent mixed dibasic acid ester
  • dibasic acid esters also known as dibasic acid esters.
  • the above coating is prepared by using various components of the polyester resin, solvent oil, DBE, wetting and dispersing agent, titanium dioxide, propylene glycol methyl ether acetate, crosslinked resin, polyethylene wax, and leveling agent at normal temperature.
  • the catalyst and functional additives are mixed and stirred evenly.
  • the raw materials of the above coatings can be prepared by commercially available and/or by known means, and meet the requirements of standard chemical products unless otherwise specified.
  • the precoated board is digitally printed to obtain a metal material processed by a gold digital printing combined with a surface photocurable coating, wherein the metal material comprises a substrate, a top coating disposed on the substrate, and formed in the The ink layer on the top coat, which is the paint used above.
  • the metal material includes a substrate, an anticorrosive undercoat layer disposed on the substrate, a top coat layer disposed on the anticorrosive undercoat layer, and an ink layer formed on the top coat layer.
  • the metal material further includes an anticorrosive primer layer disposed between the substrate and the top coat layer.
  • the metal material further includes a protective coating disposed on the ink layer.
  • the substrate is a metal plate.
  • the metallic material of the present invention may be a color coated board.
  • the method comprises the following steps: performing surface chemical treatment on the substrate, and then sequentially applying a primer and a top coat as a primer layer and a top coat layer, baking, and printing the ink pattern on the top coat layer as an ink layer after the cutting, and drying the ink in the ink.
  • the layer is top coated with a protective coating.
  • the substrate may be a plated cold plate, such as galvanized, galvanized, nickel plated, etc.; the surface chemical treatment may be degreasing, phosphating, chromium chlorination, and the like.
  • the invention provides a functional additive added to the above coating formulation, so that the produced color coated plate can meet the requirements of the existing post-processability and chemical resistance, and has good adhesion with the printed ink. .
  • the coating provided by the above-mentioned UV-based digital printing combined with surface-curing coating for treating the surface coating of the metallurgical metal material can improve the processing property and chemical resistance by adding functional additives to the formulation. Sex, can have good adhesion to printed ink.
  • the present invention also provides a UV coating, the raw material formulation of the UV coating comprising the following components in terms of weight percent:
  • the photoinitiator is one of or a combination of 2 hydroxy-2-methyl-1-phenylacetone, benzophenone.
  • the UV monomer is one of an epoxy acrylate resin, a modified epoxy acrylate resin, or a combination of both.
  • polyurethane resin is tripropylene glycol diacrylate.
  • modified polyurethane resin is trimethylolpropane triacrylate.
  • the leveling agent is neopentyl glycol diacrylate.
  • the wetting agent is a silanol nonionic wetting agent.
  • the ultraviolet absorber is magnesium silicate
  • the antifoaming agent is polyacrylamide
  • the preparation method of the above UV paint is: at normal temperature, the components of the formula: UV monomer, polyurethane resin, modified polyurethane resin, photoinitiator, leveling agent, wetting agent, antifoaming agent, ultraviolet absorber Mix well and mix well.
  • the coating for use in the protective coating disposed on the ink layer in the metal material for treating the sheet metal processing based on the UV digital printing combined with the surface photocurable coating provided by the present invention is the above-mentioned UV coating.
  • the conventional UV coating applied to steel sheets has defects such as hard, brittle, and large shrinkage.
  • the invention provides The above-mentioned metal materials based on UV digital printing combined with surface photocuring coatings for processing sheet metal processing fully consider the properties that UV coatings should have on steel sheets, and use long-chain resins and flexible monomers to make them have good bending resistance. Foldability and stretch resistance, can achieve a certain degree of bending without cracking, and add special additives to make the surface have a smooth feel, but also can resist a certain external force scratch, and through the extinction technology to make the paint can do The effect of high light or matte is better promoted in the steel plate field.
  • the protective coating for the metal material processed by the above-mentioned UV-based digital printing combined with the surface-curing coating treated by the present invention has good bending resistance and tensile resistance, can achieve a certain degree of bending without cracking, and has Smooth hand and scratch resistance.
  • the present invention further provides a UV curable coating comprising, by weight percent, a raw material formulation of the UV curable coating comprising the following components:
  • the antifouling material may be a combination of one or more of silicone, perfluoroalkylethyl acrylate, polytetrafluoroethylene emulsion, silane coupling agent, hydrogen silicone oil;
  • the ethylene emulsion has a solid content of 40% to 50%;
  • the silane coupling agent is a silane coupling agent KH5500;
  • the hydrogen silicone oil is a hydrogen silicone oil 4-7, that is, a hydrogen-containing silicone oil having a pH of 4-7.
  • the UV monomer may be one of epoxy acrylate resin, modified epoxy acrylate resin, or a combination of both.
  • the yellowing resistant resin may be one of an aliphatic isocyanate, a yellowing resistant polyurethane, or a combination of the two.
  • the photoinitiator is one of or a combination of 2-hydroxy-2-methyl-1-phenylacetone, benzophenone.
  • the leveling agent is an acrylic leveling agent.
  • the above UV-curable coating is prepared by mixing and mixing the components of the formulation: epoxy resin, UV monomer, yellowing resistant resin, photoinitiator, leveling agent, antifoaming agent and antifouling material at normal temperature. .
  • the invention provides a high gloss, high hardness, easy to scrub, scrub resistant metal material, the metal material comprising a substrate and a protective coating disposed on the substrate, the coating used for the protective coating is the above UV Curing the coating.
  • the metal material further includes an undercoat layer and a top coat layer disposed in sequence between the substrate and the protective coating, and the protective coating layer is disposed on the top coat layer.
  • the metal material includes a substrate, an anticorrosive primer layer disposed on the substrate, a top coat disposed on the anticorrosive primer layer, and a protective coating layer formed on the top coat layer.
  • the substrate is a metal plate.
  • the high gloss, high hardness, easy to scrub, scrub resistant metal material is a writing board.
  • the high gloss, high hardness, easy scrubbing and scrub resistant metal material provided by the invention is prepared by subjecting the substrate to surface chemical treatment, and then sequentially applying a primer and a top coat as a primer layer and a top coat, and baking. Bake, the surface of the cut surface is coated with the above UV coating protective coating, and the metal material is obtained by drying.
  • the substrate may be a plated cold plate, such as galvanized, galvanized, nickel plated, etc.
  • the surface chemical treatment may be degreasing, phosphating, chromic hydrochloric acid or the like.
  • the protective coating of the above high gloss, high hardness, easy scrubbing and scrub resistant metal material provided by the invention has a smooth hand, high hardness and scratch resistance.
  • the surface can be bright and full and excellent in smearing.
  • the anti-fouling material is added to the coating formulation, so that the watermark is not easily left white and colored when writing, so that the writing board has better performance. Writing performance and better sustainable wiping.
  • the precoated board provided by the invention can be used for digital printing to form a metal material processed by a gold digital printing combined with a surface photocurable coating for sheet metal processing; due to the above-mentioned coating as a top coating and the use of a UV coating as a protective coating,
  • the metal material obtained after digital printing has good adhesion with the printed ink, and has good bending resistance and tensile resistance, can achieve a certain degree of bending without cracking, and has a smooth feel on the surface. At the same time, it can also resist certain external force scratches, and further enable the production of color-coated plates to meet the requirements of existing post-processing and chemical resistance.
  • the formed metal material can be effectively used in the home appliance production and construction industries, such as, but not limited to, the production of a whole bathroom, the production of a refrigerator door, a washing machine case, an office partition, an exterior view wall surface, and the like.
  • 1-3 shows that the whole bathroom made by using the metal material provided by the invention is generous, neat and tidy, easy to care, and has various patterns and splicing in place, which can fully meet the individual requirements.
  • Fig. 4 shows that the surface of the wall bending paint made by using the metal material provided by the invention is not cracked, and the drum washing machine is made to deep paint without falling off.
  • the pre-coated board provided by the invention has anti-corrosion and anti-pollution, and can be digitally printed at will.
  • the digital printing of the pre-coated board provided by the invention has the individual pattern selection ability, can realize the seamless splicing of the pattern, and helps to provide a large-sized metal material processed by the digital printing combined with the surface photo-curing coating for the sheet metal processing.
  • the present invention provides that the pattern on the metallic material can be three-dimensional.
  • the pattern on the metal material provided by the invention can realize individualized selection, it can provide convenient personalization and home decoration for convenient and quick, and can make life rich and colorful.
  • the metal material provided by the invention can be used for making home decoration materials such as sanitary wares and walls, and can avoid the problem of home decoration pollution caused by marble and formaldehyde.
  • the embodiment provides a writing board, comprising: a substrate, an undercoat layer disposed on both sides of the substrate, a top coating disposed on one of the undercoat layers, and a protective coating disposed on the top coating layer, the substrate is a metal
  • the coating used for the protective coating is a UV-curable coating.
  • the raw materials and dosage of the coating are shown in Table 1-1, wherein the epoxy resin is purchased from Baling Petrochemical Company.
  • the UV monomer is an epoxy acrylic resin purchased from Suzhou Southeast Chemical Co., Ltd.
  • the yellowing resistant resin is an aliphatic isocyanate purchased from Suzhou Southeast Chemical Co., Ltd.
  • the photoinitiator was benzophenone purchased from Suzhou Southeast Chemical Co., Ltd.
  • the antifouling material is silicone, which was purchased from Suzhou Southeast Chemical Co., Ltd.
  • the leveling agent and defoaming agent were purchased from Suzhou Southeast Chemical Co., Ltd.
  • the above UV-curable coating is prepared by mixing the components of the examples of Example 1-1 at room temperature, and then uniformly stirring them with a mixer.
  • the writing board is prepared by surface degreasing treatment, then applying a primer on both sides of the cold plate as a primer layer, baking, and then applying a top coat as a top coat on one side thereof. Baking, cutting the back coating, applying the above UV coating protective coating on the roll, and drying to obtain the metal material.
  • the present embodiment provides a writing board.
  • the raw materials and the amount of the coating used for the protective coating in the writing board are shown in Table 1-1, and the raw materials other than the UV monomer are the same as those in the embodiment 1-1.
  • the UV monomer is a modified epoxy acrylic resin.
  • the present embodiment provides a writing board.
  • the raw materials and the amount of the coating used for the protective coating in the writing board are shown in Table 1-1, and the raw materials other than the anti-fouling material are the same as those in Embodiment 1-1.
  • the antifouling material was a silane coupling agent KH5500, which was purchased from Suzhou Southeast Chemical Co., Ltd.
  • the present comparative example provides a writing board.
  • the raw materials and the amount of the coating used for the protective coating in the writing board are shown in Table 1-1.
  • the anti-fouling material is not added in the present comparative example, and the rest are the same as in the embodiment 1-1.
  • UV-curable coatings used in the protective coatings of Examples 11-1 to 1-3 and Comparative Example 1-1 were subjected to performance tests, and the test results are shown in Table 1-2.
  • the embodiment provides a color coating plate, the color coating plate includes a metal plate, and an anticorrosive primer layer is disposed on both sides of the metal plate, wherein a surface coating layer is disposed on one side of the bottom coating layer, and the color coating plate further includes An ink layer disposed on the top coat and disposed on the ink layer Protective coating.
  • the UV monomer is a mixture of an epoxy acrylic resin and a modified epoxy acrylic resin in a mass ratio of 1:1.
  • the photoinitiator was a mixture of 2 hydroxy-2-methyl-1-phenylacetone and benzophenone in a mass ratio of 2:1.
  • the raw materials used in this example were purchased from Suzhou Southeast Chemical Co., Ltd.
  • the above UV coating is prepared by mixing the components of the protective coating of Example 1 at room temperature, and then uniformly stirring with a mixer.
  • the crosslinked resin is methyl etherified melamine formaldehyde resin.
  • the catalyst is sodium dodecylbenzene sulfonate.
  • the functional adjuvant is a mixture of 60% acrylic modified polyester, 20% 2-butoxyethanol, 20% dipropylene glycol monomethyl ether.
  • the coating used in the above top coating is prepared by mixing the components of the top coat of Example 1 at room temperature, and then uniformly stirring with a mixer.
  • the method for preparing the color coated plate in the embodiment the surface cold plate is subjected to surface degreasing treatment, and then the two sides of the plated cold plate are coated with a primer, baked, and then the top coat is coated with a top coat on the anticorrosive coating. After the top coat, baking, and shearing, the ink pattern is printed on the top coat as an ink layer, and after drying, a protective coating is applied on the ink layer, and the paint used for the top coat is the above paint.
  • the present embodiment provides a color-coated board.
  • the raw materials and amounts of the coating used for the protective coating in the color-coated board are shown in Table 2-1, and the raw materials other than the UV monomer are the same as those in Embodiment 2-1.
  • the UV monomer is an epoxy acrylic resin.
  • the coating used in the top coating of this example, the raw materials and the amount of the coating used are shown in Table 2-2, and the raw materials other than the functional auxiliary are the same as those in the embodiment 2-1.
  • the functional adjuvant is a mixture of 75% acrylic modified polyester, 10% 2-butoxyethanol, 15% dipropylene glycol monomethyl ether.
  • the preparation method of the color coated plate of this embodiment is the same as that of the embodiment 2-1.
  • the present embodiment provides a color-coated board, the raw materials and the amount of the coating used for the protective coating in the color-coated board are shown in Table 2-1, and the raw materials other than the UV monomer and the photoinitiator are the same as those in the embodiment 2-1. .
  • the UV monomer is a modified epoxy acrylic resin.
  • the photoinitiator is 2 hydroxy-2-methyl-1-phenylacetone.
  • the coating used in the top coating of this embodiment, the raw materials and the amount of the coating used are shown in Table 2-2, the original other than the functional auxiliary The materials were the same as in Example 2-1.
  • the functional adjuvant is 2-butoxyethanol.
  • the present comparative example provides a color-coated board, and the raw materials and amounts of the coating used for the protective coating in the color-coated board are shown in Table 2-1.
  • Table 2-2 shows the raw material compositions of the top coats of Examples 2-1-2-3 and Comparative Example 1.
  • UV coatings used in the protective coatings of Examples 2-1-2-3 and Comparative Example 2-1 were tested for performance. 2-3.
  • the protective coating of the present invention has good bending resistance and tensile resistance, can achieve a certain degree of bending without cracking, and has a smooth hand feeling and resistance to external force scratches.
  • the embodiment provides a printing color coating plate, the color coating plate comprises a metal plate, and an anticorrosive primer layer is disposed on both sides of the metal plate, wherein a surface coating layer is disposed on one side of the bottom coating layer, and the color coating plate is further provided
  • the ink layer disposed on the top coat layer and the protective coating layer disposed on the ink layer are included.
  • the crosslinked resin is methyl etherified melamine formaldehyde resin.
  • the catalyst is sodium dodecylbenzene sulfonate.
  • the functional adjuvant is a mixture of 60% acrylic modified polyester, 20% 2-butoxyethanol, 20% dipropylene glycol monomethyl ether.
  • the raw materials used in this example were purchased from Suzhou Southeast Chemical Co., Ltd.
  • the coating used in the above top coating is prepared by mixing the components of the examples of Example 3-1 at room temperature, and then uniformly stirring with a stirrer.
  • the method for preparing the color coated plate in the embodiment the surface cold plate is subjected to surface degreasing treatment, and then the two sides of the plated cold plate are coated with a primer, baked, and then the top coat is coated with a top coat on the anticorrosive coating. After the top coat, baking, and shearing, the ink pattern is printed on the top coat as an ink layer, and after drying, a protective coating is applied on the ink layer, and the paint used for the top coat is the above paint.
  • the present embodiment provides a color-coated board, the raw materials and the amount of the coating used for the top coating in the color-coated board are shown in Table 3-1, and the raw materials other than the functional auxiliary are the same as those in the embodiment 3-1.
  • the functional adjuvant is a mixture of 75% acrylic modified polyester, 10% 2-butoxyethanol, 15% dipropylene glycol monomethyl ether.
  • the preparation method of the color coated plate of this embodiment is the same as that of the embodiment 3-1.
  • the functional adjuvant is 2-butoxyethanol.
  • the catalyst is p-toluenesulfonic acid.
  • This embodiment provides a color-coated board, the raw materials and the amount of the coating used for the top coating in the color-coated board are shown in Table 3-1, the functional proportion is not added in the present comparative example, and the rest are the same as in the embodiment 3-1.

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Abstract

一种用于数码打印的预涂板，包括基板和设置于基板上的面涂层，基板为金属板。面涂层使用的涂料包括聚酯树脂48-52%，溶剂油1-3%，DBE 1-3%，润湿分散剂0.3-0.5%，钛白粉30-34%，丙二醇甲醚醋酸酯1-3%，交联树脂8-10%，聚乙烯蜡1-3%，流平剂0.5-1%，催化剂0.5-1%，功能助剂1-1.5%；功能助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚中的一种多几种。一种基于数码打印结合表面光固化涂料处理可版印加工的金属材料，包括该预涂板和形成在该预涂板的面涂层上的油墨层；油墨层上还可设置有保护涂层，保护涂层使用UV涂料。一种高光泽、高硬度、易擦洗、耐擦洗的金属材料，包括该预涂板和设置在该预涂板的面涂层上的保护涂层；保护涂层使用UV固化涂料。

Description

一种金属材料及其用途 技术领域
本发明属于彩涂板领域，具有涉及一种基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料。
背景技术
现有的书写板采用的是PCM板(三涂三烘油漆镀锌冷轧板)，其具有如下缺陷：光泽度低，大致在35以上(GB28231-2011)；擦拭周期短，使用水性笔书写时，有水性笔水印和颜色残留；聚酯漆膜软，书写时表面形变，擦拭有留白；聚酯漆烘干固化交联空隙大，造成书写时水性油墨渗透颜色残留；漆膜软、表面空隙大也造成不耐擦拭。
UV涂料是一种环保型涂料，有着节能、生产效率高等特点，其广泛应用于地板、家俱、电器及化妆品等，还应用于钢板领域中，应用于钢板上能很好的保护钢板上原有的色彩花纹，而且涂膜硬度适中、手感光滑、耐摩擦，又能改变钢板原有的表观效果，能体现出高光或哑光效果。然而，现有的应用于钢板上的UV涂料具有涂膜较硬、脆、收缩大等缺陷，以及弯折性差、抗划伤性差。而且传统的涂料，即常规的单一色产品，已不能满足人们对家电外观的需求。具有表面色彩图案的涂膜表面能给人具有丰富的色彩感觉，越来越符合市场的需求。
打印彩涂板使用的涂料是指生产的彩涂图板可以在表面涂层上打印各种精美的图案。目前，市场上使用的彩涂板用涂料，为了满足后加工成型的加工性、抗刮伤性、耐化学品性等性能，这种涂料在设计配方时涂料需要达到一定的交联度、抗滑爽性等性能，然后使用这种涂料的板再进行打印，油墨和漆膜的密着性差，易造成油墨脱落等缺陷。
目前在纸张上进行的数码打印既没有油墨等脱落的问题，也能满足丰富多彩的图案和色彩要求，因此本领域迫切需要提供一种可用于数码打印的金属材料，包括书写板和彩涂板。
发明内容
本发明旨在提供一种可用于数码打印的金属材料。
本发明还提供这种金属材料在家电、建筑等方面的应用。
在本发明的第一方面，提供了一种用于数码打印的预涂板，所述预涂板包括基板和设置于基板上的面涂层；所述基板为金属板；
所述面涂层使用的涂料配方为：按重量百分含量计，所述面涂层涂料的原料配方包括以下组分：
Figure PCTCN2017091688-appb-000001
Figure PCTCN2017091688-appb-000002
其中：所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚中的一种或几种的组合。
在另一优选例中，所述预涂板包括三层结构，所述三层结构为基板和依次设置于基板上的防腐底涂层和面涂层，所述面涂层设置在防腐底涂层之上。
在另一优选例中，所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚三者的组合，其中，按质量百分含量计，所述丙烯酸改性聚酯为60-80％，2-丁氧基乙醇为10-20％，一缩二丙二醇一甲醚为10-20％。
在另一优选例中，所述交联树脂为甲醚化三聚氰胺甲醛树脂。
在另一优选例中，所述催化剂为十二烷基苯磺酸钠、对甲苯磺酸中一种或二者的组合。
在另一优选例中，所述润湿分散剂为改性聚酯。
在本发明的第二方面，提供了一种基于数码打印结合表面光固化涂料处理可钣金加工的金属材料，所述金属材料包括如上所述的本发明提供的预涂板和形成于所述预涂板的面涂层上的油墨层。
在另一优选例中，所述油墨层通过打印在所述面涂层上。
在另一优选例中，所述油墨层上设置有保护涂层；所述保护涂层使用的涂料为一种UV涂料，以重量百分含量计，所述UV涂料的原料配方包括以下组分：
Figure PCTCN2017091688-appb-000003
在另一优选例中，所述光引发剂为2羟基-2-甲基-1-苯基丙酮、二苯甲酮中一种或二者的组合。
在另一优选例中，所述UV单体为环氧丙烯酸树脂、改性环氧丙烯酸树脂中的一种或二者的组合。
在另一优选例中，所述金属材料为彩涂板。
在本发明的第三方面，提供了一种UV涂料，以重量百分含量计，所述UV涂料的原料配方包括以下组分：
Figure PCTCN2017091688-appb-000004
在另一优选例中，所述光引发剂为2羟基-2-甲基-1-苯基丙酮、二苯甲酮中一种或二者的组合。
在另一优选例中，所述UV单体为环氧丙烯酸树脂、改性环氧丙烯酸树脂中的一种或二者的组合。
在本发明的第四方面，提供了一种如上所述的本发明提供的UV涂料的用途，所述UV涂料用作如上所述的本发明提供的金属材料的保护涂层或用于制作如上所述的本发明提供的金属材料。
在本发明的第五方面，提供了一种涂料，以重量百分含量计，所述涂料的原料配方包括以下组分：
Figure PCTCN2017091688-appb-000005
Figure PCTCN2017091688-appb-000006
其中：所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚中的一种或几种的组合。
在另一优选例中，所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚三者的组合，其中，按质量百分含量计，所述丙烯酸改性聚酯为60-80％，2-丁氧基乙醇为10-20％，一缩二丙二醇一甲醚为10-20％。
在另一优选例中，所述交联树脂为甲醚化三聚氰胺甲醛树脂。
在另一优选例中，所述催化剂为十二烷基苯磺酸钠、对甲苯磺酸中一种或二者的组合。
在另一优选例中，所述润湿分散剂为改性聚酯。
在本发明的第六方面，提供了一种如上所述的本发明提供的涂料的用途，所述涂料用作如上所述的本发明提供的预涂板的面涂层、用作如上所述的本发明提供的金属材料的面涂层或用于制作如上所述的本发明提供的金属材料。
在本发明的第七方面，提供了一种UV固化涂料，以重量百分含量计，所述UV固化涂料的原料配方包括以下组分：
Figure PCTCN2017091688-appb-000007
在另一优选例中，所述抗污材料为硅酮、全氟烷基乙基丙烯酸酯、聚四氟乙烯乳液、硅烷偶联剂、氢硅油中的一种或多种的组合。
在另一优选例中，所述UV单体为环氧丙烯酸树脂、改性环氧丙烯酸树脂中的一种或二者的组合。
在另一优选例中，所述耐黄变树脂为脂肪族异氰酸酯、耐黄变聚氨酯中的一种或二者的组合。
在另一优选例中，所述光引发剂为2-羟基-2-甲基-1-苯基丙酮、二苯甲酮中的一种或二者的组合。
在另一优选例中，所述流平剂为丙烯酸流平剂。
在本发明的第八方面，提供了一种高光泽、高硬度、易擦洗、耐擦洗的金属材料，所述金属材料包括如上所述的本发明提供的预涂板和设置在所述预涂板的面涂层上的保护涂层；所述保护涂层使用的涂料为如上所述的本发明提供的UV固化涂料。
在另一优选例中，所述金属材料为书写板。
在本发明的第九方面，提供了一种如上所述的本发明提供的UV固化涂料在制作书写板中的应用。
在本发明的第十方面，提供了一种如上所述的本发明提供的预涂板在数码打印中的应用。
在本发明的第十一方面，提供了一种如上所述的本发明提供的预涂板在制作基于数码打印结合表面光固化涂料处理可钣金加工的金属材料中的应用。
在本发明的第十二方面，提供了一种如上所述的本发明提供的基于数码打印结合表面光固化涂料处理可钣金加工的金属材料在家电生产中的应用。
在本发明的第十三方面，提供了一种如上所述的本发明提供的基于数码打印结合表面光固化涂料处理可钣金加工的金属材料在建筑中的应用。
在另一优选例中，所述金属材料用于制作整体卫浴、墙壁、家电冰箱、洗衣机。
据此，本发明提供了一种可用于数码打印的金属材料，包括书写板和彩涂板。
附图说明
图1显示了本发明提供的基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料；其中，
图1A是图案为大理石的单片金属材料样品；图1B是用该图案的金属材料做成整体卫浴的效果，该整体卫浴中的墙面使用的是该金属材料。
图2显示了本发明提供的基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料；其中，
图2A是图案为木纹的单片样品；图2B是用该图案的金属材料做成整体卫浴的效果，该整体卫浴中的墙面使用的是该金属材料。
图3显示了使用本发明提供的基于UV数码打印结合表面光固化涂料处理可钣金加工的 金属材料做出的整体卫浴的效果，其中墙面使用了迪士尼卡通图案的该金属材料。
图4显示了本发明提供的基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料作为家电、建筑用钢板的实际效果；其中，
图4A是做成的墙面；图4B是洗衣机的滚筒的金属部分。
具体实施方式
发明人经过广泛而深入的研究，发现将基板(镀层冷板或金属板，优选钢板)进行一定处理而获得的预涂板可以用于数码打印。所谓“一定处理”包括在基板上涂覆防腐底层后再在防腐底层上涂覆一面涂层，即着色层，该面涂层涂料的原料配方中含有功能性助剂，所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚中的一种或几种的组合。
上述经过一定处理的预涂板可用于数码打印，打印后可获得一种基于数码打印结合表面光固化涂料处理可钣金加工的金属材料，这种金属材料可以随意弯折，使用的数码打印设备可以是本领域公知的UV数码打印机，经过数码打印，预涂板的面涂层上会设置有油墨层，该油墨层呈现的图案、色彩是通过与数码打印设备连接的计算机输出，因此可以做到千变万化，包括凹凸不平的立体效果。具有图案的上述金属材料可以拼接，形成任意尺寸并且图案无缝衔接的金属材料。
在一种较佳实施方式中，所述油墨层上还设置有一保护涂层，可防止油墨脱落，所述保护涂层使用的涂料为一种UV涂料。在此基础上，完成了本发明。
本发明中，“底涂层”、“防腐底层”和“防腐底涂层”可以互换使用。
具体地，本发明提供一种涂料，以重量百分含量计，所述涂料的原料配方包括以下组分：
Figure PCTCN2017091688-appb-000008
其中：所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚中的一种或 几种的组合。
进一步地，所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚三者的组合，其中，按质量百分含量计，所述丙烯酸改性聚酯为60-80％，2-丁氧基乙醇为10-20％，一缩二丙二醇一甲醚为10-20％。
该功能性助剂能够在极短的时间迁移到漆膜表面；其分子结构中带有活性基团，可以与UV油墨或者涂料中的双键反应，提高UV油墨在含有改功能性助剂的漆面上的附着力；该活性基团在分子链中采用定向聚合技术侧向排列，能够使活性基团在漆膜表面有效的均匀排列和铺展开，极少的用量能够均匀覆盖漆膜表面；其特殊活性基团具有高温稳定性，在涂料固化成膜过程中能够耐高温，结构稳定。
进一步地，所述溶剂油为S-150溶剂油。
进一步地，所述润湿分散剂为改性聚酯。
进一步地，所述流平剂为丙烯酸流平剂；
进一步地，所述交联树脂为甲醚化三聚氰胺甲醛树脂。
进一步地，所述催化剂为十二烷基苯磺酸钠、对甲苯磺酸中一种或二者的组合。
本发明中，DBE，高沸点溶剂混合二元酸酯，是二元酸酯混合物，亦称二价酸酯。
上述涂料的制备方法为在常温下，将配方的各组分聚酯树脂、溶剂油、DBE、润湿分散剂、钛白粉、丙二醇甲醚醋酸酯、交联树脂、聚乙烯蜡、流平剂、催化剂、功能性助剂混合搅拌均匀。
上述涂料的原料均可通过商购和/或采取已知的手段来制备得到，没有加以特别说明时，均满足标准化工产品要求。
本发明提供一种预涂板，所述预涂板包括基板和设置在所述基板上的面涂层；所述面涂层使用的涂料为上述的涂料。
进一步地，上述预涂板包括基板和依次设置于基板上的防腐底涂层和面涂层，所述面涂层设置在防腐底涂层之上；所述面涂层使用的涂料为上述的涂料。
上述预涂板经数码打印便获得一种基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料，所述金属材料包括基板、设置在所述基板上的面涂层及形成在所述面涂层上的油墨层，所述面涂层使用的涂料为上述的涂料。
进一步地，所述金属材料包括基板、设置在基板上的防腐底涂层、设置在防腐底涂层之上的面涂层及形成在所述面涂层上的油墨层。
进一步地，所述油墨层通过打印在所述面涂层上。
进一步地，所述金属材料还包括设置在所述基板和面涂层之间的防腐底涂层。
进一步地，所述金属材料还包括设置在所述油墨层上的保护涂层。
进一步地，所述基板为金属板。
本发明的金属材料可以是彩涂板。
本发明提供的上述基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料的制备 方法为：将基板进行表面化学处理，然后依次辊涂底漆和面漆作为底涂层和面涂层，烘烤，载切后在面涂层上打印油墨图案作为油墨层，干燥后在油墨层上辊涂保护涂层。
所述基板可以为镀层冷板，如镀锌、镀铝锌、镀镍等；所述表面化学处理可以为脱脂、磷化、铬盐酸化等。
目前，市场上涂刷有涂料的可打印彩涂板进行打印时，油墨和涂料的漆膜的密着性差，易造成油墨脱落等缺陷。本发明提供的上述涂料配方中添加一种功能性助剂，使生产的彩涂板既能达到现有的后加工性及耐化学品性的要求，又能和打印的油墨具有良好的密着性。本发明提供的上述基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料的面涂层使用的涂料通过在配方中添加功能性助剂，使得该涂料具有良好的加工性能及耐化学品性，能与打印的油墨具有良好的密着性。
本发明还提供一种UV涂料，以重量百分含量计，所述UV涂料的原料配方包括以下组分：
Figure PCTCN2017091688-appb-000009
进一步地，所述光引发剂为2羟基-2-甲基-1-苯基丙酮、二苯甲酮中一种或二者的组合。
进一步地，所述UV单体为环氧丙烯酸树脂、改性环氧丙烯酸树脂中的一种或二者的组合。
进一步地，所述聚氨酯树脂为二缩三丙二醇二丙烯酸酯。
进一步地，所述改性聚氨酯树脂为三羟甲基丙烷三丙烯酸酯。
进一步地，所述流平剂为丙氧化新戊二醇二丙烯酸酯。
进一步地，所述润湿剂为硅醇类非离子型润湿剂。
进一步地，所述紫外吸收剂为硅酸镁，所述消泡剂为聚丙烯酰胺。
上述原料均可通过商购和/或采取已知的手段来制备得到，没有加以特别说明时，均满足标准化工产品要求。
上述UV涂料的制备方法为：在常温下，将配方的各组分：UV单体、聚氨酯树脂、改性聚氨酯树脂、光引发剂、流平剂、润湿剂、消泡剂、紫外吸收剂混合搅拌均匀。
本发明上述提供的基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料中设置在所述油墨层上的保护涂层使用的涂料为上述的UV涂料。
目前，传统的应用于钢板上的UV涂料，其涂膜具有硬、脆、收缩大等缺陷。本发明提 供的上述基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料充分考虑UV涂料使用在钢板上所应具备的性能，选用了长链树脂及柔性单体，使其具有良好的耐弯折性和耐拉伸性，能够达到一定的弯折程度不开裂，另添加特殊的助剂使其表面有着光滑的手感，同时也能抗一定的外力划伤，另外通过消光技术使涂料能做到高光或哑光的效果，从而在钢板领域得到较好的推广。
本发明提供的上述基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料的保护涂层具有良好的耐弯折性和耐拉伸性，能够达到一定的弯折程度不开裂，同时具有光滑的手感、抗外力划伤。
本发明再提供一种UV固化涂料，以重量百分含量计，所述UV固化涂料的原料配方包括以下组分：
Figure PCTCN2017091688-appb-000010
进一步地，所述抗污材料可以为硅酮、全氟烷基乙基丙烯酸酯、聚四氟乙烯乳液、硅烷偶联剂、氢硅油中的一种或几种的组合；所述聚四氟乙烯乳液的固含量为40％-50％；所述硅烷偶联剂为硅烷偶联剂KH5500；所述氢硅油为氢硅油4-7，即pH为4-7的含氢硅油。
进一步地，所述UV单体可以为环氧丙烯酸树脂、改性环氧丙烯酸树脂中的一种或二者的组合。
进一步地，所述耐黄变树脂为所述耐黄变树脂可以为脂肪族异氰酸酯、耐黄变聚氨酯中的一种或二者的组合。
进一步地，所述光引发剂为2-羟基-2-甲基-1-苯基丙酮、二苯甲酮中的一种或二者的组合。
进一步地，所述流平剂为丙烯酸流平剂。
上述原料均可通过商购和/或采取已知的手段来制备得到，没有加以特别说明时，均满足标准化工产品要求。
上述UV固化涂料的制备方法为在常温下，将配方的各组分：环氧树脂、UV单体、耐黄变树脂、光引发剂、流平剂、消泡剂和抗污材料混合搅拌均匀。
本发明提供一种高光泽、高硬度、易擦洗、耐擦洗的金属材料，所述金属材料包括基板及设置在所述基板上的保护涂层，所述保护涂层使用的涂料为上述的UV固化涂料。
进一步地，所述金属材料还包括依次设置在所述基板和保护涂层之间的底涂层和面涂层，所述保护涂层设置在所述面涂层上。
进一步地，所述金属材料包括基板、设置在基板上的防腐底涂层、设置在防腐底涂层之上的面涂层及形成在所述面涂层上的保护涂层。
进一步地，所述基板为金属板。
进一步地，所述高光泽、高硬度、易擦洗、耐擦洗的金属材料为书写板。
本发明提供的上述高光泽、高硬度、易擦洗、耐擦洗的金属材料的制备方法为：将基板进行表面化学处理，然后依次辊涂底漆和面漆作为底涂层和面涂层，烘烤，载切后表面辊涂上述UV涂料保护涂层，干燥即制得该金属材料。所述基板可以为镀层冷板，如镀锌、镀铝锌、镀镍等所述表面化学处理可以为脱脂、磷化、铬盐酸化等。
本发明提供的上述高光泽、高硬度、易擦洗、耐擦洗的金属材料的保护涂层具有光滑的手感、硬度高和耐划伤。将该金属材料作为书写板用时，可使其表面光亮饱满及优异的可擦试性，涂料配方中添加了抗污材料，可使书写时不易水印留白、着色，使书写板具有更好的书写性能和更好的可持续擦拭性。
用途
本发明提供的预涂板可用于数码打印，形成基于UV数码打印结合表面光固化涂料处理可钣金加工的金属材料；由于上述作为面涂层的涂料以及作为保护涂层的UV涂料的使用，使得数码打印后获得的金属材料和打印的油墨具有良好的密着性，并且具有良好的耐弯折性和耐拉伸性，能够达到一定的弯折程度不开裂，并使其表面有着光滑的手感，同时也能抗一定的外力划伤，进一步地还能使生产的彩涂板既能达到现有的后加工性及耐化学品性的要求。
形成的金属材料可有效用于家电生产和建筑行业，例如但不限于，生产整体卫浴、生产冰箱门、洗衣机箱壳、办公室隔断、外观景观墙面等。
图1-3显示使用本发明提供的金属材料做成的整体卫浴大方、整洁，易于打理，图案选择多样且拼接到位，完全可以满足个性化要求。
家电、建筑用钢板往往需要折弯和深冲，一般杯凸需要5mm以上油漆不脱落，折弯需要满足1T-3T以上油漆不开裂。图4显示使用本发明提供的金属材料做成的墙面折弯油漆表面不开裂，做成的滚筒洗衣机深冲油漆不脱落。
本发明提到的上述特征，或实施例提到的特征可以任意组合。本案说明书所揭示的所有特征可与任何组合物形式并用，说明书中所揭示的各个特征，可以任何可提供相同、均等或相似目的的替代性特征取代。因此除有特别说明，所揭示的特征仅为均等或相似特征的一般性例子。
本发明的主要优点包括：
1、本发明提供的预涂板防腐、耐污染，并且可随意进行数码打印。
2、本发明提供的预涂板进行的数码打印具个体化图案选择能力，可实现图案的无缝拼接，有助于提供大尺寸基于数码打印结合表面光固化涂料处理可钣金加工的金属材料。
3、本发明提供金属材料上的图案可以是立体的。
4、由于本发明提供的金属材料上的图案可实现个体化选择，可为方便、快捷地提供个性化的家电、家装提供可能，可使生活丰富多彩。
5、本发明提供的金属材料可用于制作整体卫浴、墙壁等家装材料，可避免大理石、甲醛等带来的家装污染问题。
下面结合具体实施例对本发明作进一步描述。以下实施例中采用的原料均为商购获得的标准工业品。
实施例1-1
本实施例提供一种书写板，包括基板、设置在基板两面上的底涂层、设置在其中一面底涂层上的面涂层及设置在面涂层上的保护涂层，该基板为金属板，该保护涂层使用的涂料为UV固化涂料，该涂料采用的原料及用量参见表1-1，其中：环氧树脂购自巴陵石化公司。UV单体为环氧丙烯酸树脂，购自苏州东南化工有限公司。耐黄变树脂为脂肪族异氰酸酯，购自苏州东南化工有限公司。光引发剂为二苯甲酮，购自苏州东南化工有限公司。抗污材料为硅酮，购自苏州东南化工有限公司。流平剂、消泡剂均购自苏州东南化工有限公司。上述UV固化涂料的制备方法为在常温下，将实施例1-1的各组分配方混合，然后用搅拌机搅拌均匀。
本实施例中书写板的制备方法为：将镀层冷板进行表面脱脂处理，然后在冷板两面辊涂底漆作为底涂层，烘烤，再在其中一面上辊涂面漆作为面漆，烘烤，剪切后面涂层上辊涂上述UV涂料保护涂层，干燥即制得该金属材料。
实施例1-2
本实施例提供一种书写板，书写板中的保护涂层使用的涂料的原料及用量参见表1-1，UV单体之外的原料均与实施例1-1相同。
UV单体为改性环氧丙烯酸树脂。
实施例1-3
本实施例提供一种书写板，书写板中的保护涂层使用的涂料的原料及用量参见表1-1，抗污材料之外的原料均与实施例1-1相同。
抗污材料为硅烷偶联剂KH5500，购自苏州东南化工有限公司。
对比例1-1
本对比例提供一种书写板，书写板中的保护涂层使用的涂料的原料及用量参见表1-1，本对比例不添加抗污材料，其余同实施例1-1。
表1-1实施例1-1-1-3及对比例1-1的保护涂层的UV固化涂料的原料组成
Figure PCTCN2017091688-appb-000011
将实施例1-1-1-3及对比例1-1的保护涂层使用的UV固化涂料进行性能测试，测试结果参见表1-2。
表1-2实施例1-1-1-3及对比例1-1的保护涂层的UV固化涂料的性能
Figure PCTCN2017091688-appb-000012
实施例2-1
本实施例提供一种彩涂板，该彩涂板包括金属板，在所述金属板的两面设置有防腐底涂层，其中一面的底涂层上设置面涂层，该彩涂板还包括设置在面涂层上的油墨层及设置在油墨层上的 保护涂层。
本实施例的保护涂层使用的涂料，该涂料采用的原料及用量参见表2-1，其中：
UV单体为环氧丙烯酸树脂和改性环氧丙烯酸树脂按质量比为1:1的混合物。
光引发剂为2羟基-2-甲基-1-苯基丙酮、二苯甲酮按质量比2:1的混合物。
本实施例使用的原料均购自苏州东南化工有限公司。
上述UV涂料的制备方法为在常温下，将实施例1保护涂层的各组分配方混合，然后用搅拌机搅拌均匀。
本实施例的面涂层使用的涂料，该涂料采用的原料及用量参见表2-2，其中：
交联树脂为甲醚化三聚氰胺甲醛树脂。
催化剂为十二烷基苯磺酸钠。
功能性助剂为60％丙烯酸改性聚酯、20％2-丁氧基乙醇、20％一缩二丙二醇一甲醚三者的混合物。
上述面涂层使用的涂料的制备方法为在常温下，将实施例1面涂层的各组分配方混合，然后用搅拌机搅拌均匀。
本实施例中的彩涂板的制备方法：将镀层冷板进行表面脱脂处理，然后在镀层冷板的两面辊涂底漆，烘烤，然后在其中一面的防腐涂层上辊涂面漆作为面涂层，烘烤，剪切后在面涂层上打印油墨图案作为油墨层，干燥后在油墨层上辊涂保护涂层，该面涂层使用的涂料为上述涂料。
实施例2-2
本实施例提供一种彩涂板，彩涂板中的保护涂层使用的涂料的原料及用量参见表2-1，UV单体之外的原料均与实施例2-1相同。
UV单体为环氧丙烯酸树脂。
本实施例的面涂层使用的涂料，该涂料采用的原料及用量参见表2-2，功能性助剂之外的原料均与实施例2-1相同。
功能性助剂为75％丙烯酸改性聚酯、10％2-丁氧基乙醇、15％一缩二丙二醇一甲醚三者的混合物。
本实施例彩涂板的制备方法同实施例2-1。
实施例2-3
本实施例提供一种彩涂板，彩涂板中的保护涂层使用的涂料的原料及用量参见表2-1，UV单体、光引发剂之外的原料均与实施例2-1相同。
UV单体为改性环氧丙烯酸树脂。
光引发剂为2羟基-2-甲基-1-苯基丙酮。
本实施例的面涂层使用的涂料，该涂料采用的原料及用量参见表2-2，功能性助剂之外的原 料均与实施例2-1相同。
功能性助剂为2-丁氧基乙醇。
对比例2-1
本对比例提供一种彩涂板，彩涂板中的保护涂层使用的涂料的原料及用量参见表2-1。
本对比例中彩涂板中的面涂层使用的涂料的原料及用量见表2-2。
表2-1实施例2-1-2-3及对比例1的保护涂层的原料组成
Figure PCTCN2017091688-appb-000013
表2-2为实施例2-1-2-3及对比例1的面涂层的原料组成
将实施例2-1-2-3及对比例2-1的保护涂层使用的UV涂料进行性能测试，测试结果参见表 2-3。
表2-3实施例2-1-2-3及对比例2-1的保护涂层的UV涂料的性能
Figure PCTCN2017091688-appb-000015
将实施例2-1-2-3及对比例2-1的面涂层使用的涂料进行性能测试，测试结果参见表2-4。
由表2-3可以看出，本发明的保护涂层具有良好的耐弯折性和耐拉伸性，能够达到一定的弯折程度不开裂，同时具有光滑的手感、抗外力划伤。
表2-4实施例2-1-2-3及对比例2-1的面涂层的涂料的性能
Figure PCTCN2017091688-appb-000016
由表2-4中可以看出，百格附着力的性能结果显示，本发明的面涂层与油墨具有良好的密着性。
实施例3-1
本实施例提供一种打印彩涂板，该彩涂板包括金属板，在所述金属板的两面设置有防腐底涂层，其中一面的底涂层上设置面涂层，该彩涂板还包括设置在面涂层上的油墨层及设置在油墨层上的保护涂层。
本实施例的面涂层使用的涂料，该涂料采用的原料及用量参见表3-1，其中：
交联树脂为甲醚化三聚氰胺甲醛树脂。
催化剂为十二烷基苯磺酸钠。
功能性助剂为60％丙烯酸改性聚酯、20％2-丁氧基乙醇、20％一缩二丙二醇一甲醚三者的混合物。
本实施例使用的原料均购自苏州东南化工有限公司。
上述面涂层使用的涂料的制备方法为在常温下，将实施例3-1的各组分配方混合，然后用搅拌机搅拌均匀。
本实施例中的彩涂板的制备方法：将镀层冷板进行表面脱脂处理，然后在镀层冷板的两面辊涂底漆，烘烤，然后在其中一面的防腐涂层上辊涂面漆作为面涂层，烘烤，剪切后在面涂层上打印油墨图案作为油墨层，干燥后在油墨层上辊涂保护涂层，该面涂层使用的涂料为上述涂料。
实施例3-2
本实施例提供一种彩涂板，彩涂板中的面涂层使用的涂料的原料及用量参见表3-1，功能性助剂之外的原料均与实施例3-1相同。
功能性助剂为75％丙烯酸改性聚酯、10％2-丁氧基乙醇、15％一缩二丙二醇一甲醚三者的混合物。
本实施例彩涂板的制备方法同实施例3-1。
实施例3-3
本实施例提供一种彩涂板，彩涂板中的面涂层使用的涂料的原料及用量参见表3-1，功能性助剂之外的原料均与实施例3-1相同。
功能性助剂为2-丁氧基乙醇。
实施例3-4
本实施例提供一种彩涂板，彩涂板中的面涂层使用的涂料的原料及用量参见表3-1，催化剂之外的原料均与实施例3-1相同。
催化剂为对甲苯磺酸。
对比例3-1
本实施例提供一种彩涂板，彩涂板中的面涂层使用的涂料的原料及用量参见表3-1，本对比例不添加功能性助剂，其余同实施例3-1。
表3-1实施例3-1-3-4及对比例3-1的面涂层的原料组成
Figure PCTCN2017091688-appb-000017
将实施例3-1-3-4及对比例3-1的面涂层使用的涂料进行性能测试，测试结果参见表3-2。
表3-2实施例3-1-3-4及对比例3-1的面涂层的涂料的性能
Figure PCTCN2017091688-appb-000018
上述表中的百格附着力的性能结果显示，本发明的涂层与油墨具有良好的密着性。
此处描述的实施例只用于说明(作为例证)，技术人员所做的各种修改或变更也应包括在专利申请的实质和范围内以及附加权利要求范畴之内。

Claims (35)

  1. 一种用于数码打印的预涂板，其特征在于，所述预涂板包括基板和设置于基板上的面涂层；所述基板为金属板；
    所述面涂层使用的涂料配方为：按重量百分含量计，所述面涂层涂料的原料配方包括以下组分：
    Figure PCTCN2017091688-appb-100001
    其中：所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚中的一种或几种的组合。
  2. 如权利要求1所述的预涂板，其特征在于，所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚三者的组合，其中，按质量百分含量计，所述丙烯酸改性聚酯为60-80％，2-丁氧基乙醇为10-20％，一缩二丙二醇一甲醚为10-20％。
  3. 如权利要求1所述的预涂板，其特征在于，所述交联树脂为甲醚化三聚氰胺甲醛树脂。
  4. 如权利要求1所述的预涂板，其特征在于，所述催化剂为十二烷基苯磺酸钠、对甲苯磺酸中一种或二者的组合。
  5. 如权利要求1所述的预涂板，其特征在于，所述润湿分散剂为改性聚酯。
  6. 一种基于数码打印结合表面光固化涂料处理可钣金加工的金属材料，其特征在于，所述金属材料包括如权利要求1-6任一项所述的预涂板和形成在所述预涂板的面涂层上的油墨层。
  7. 如权利要求6所述的金属材料，其特征在于，所述油墨层通过打印在所述面涂层上。
  8. 如权利要求6所述的金属材料，其特征在于，所述油墨层上设置有保护涂层；所述保护涂层使用的涂料为一种UV涂料，以重量百分含量计，所述UV涂料的原料配方包括以下组分：
    Figure PCTCN2017091688-appb-100002
  9. 如权利要求8所述的金属材料，其特征在于，所述光引发剂为2羟基-2-甲基-1-苯基丙酮、二苯甲酮中一种或二者的组合。
  10. 如权利要求8所述的金属材料，其特征在于，所述UV单体为环氧丙烯酸树脂、改性环氧丙烯酸树脂中的一种或二者的组合。
  11. 如权利要求6-10任一项所述的金属材料，其特征在于，所述金属材料为彩涂板。
  12. 一种UV涂料，其特征在于，以重量百分含量计，所述UV涂料的原料配方包括以下组分：
    Figure PCTCN2017091688-appb-100003
  13. 如权利要求12所述的UV涂料，其特征在于，所述光引发剂为2羟基-2-甲基-1-苯基丙酮、二苯甲酮中一种或二者的组合。
  14. 如权利要求12所述的UV涂料，其特征在于，所述UV单体为环氧丙烯酸树脂、改性环氧丙烯酸树脂中的一种或二者的组合。
  15. 一种如权利要求12-14任一项所述的UV涂料的用途，其特征在于，所述UV涂料用作如权利要求6-11任一项所述的金属材料的保护涂层或用于制作如权利要求6-11任一项所述的金属材料。
  16. 一种涂料，其特征在于，以重量百分含量计，所述涂料的原料配方包括以下组分：
    Figure PCTCN2017091688-appb-100004
    Figure PCTCN2017091688-appb-100005
    其中：所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚中的一种或几种的组合。
  17. 如权利要求16所述的涂料，其特征在于，所述功能性助剂为丙烯酸改性聚酯、2-丁氧基乙醇、一缩二丙二醇一甲醚三者的组合，其中，按质量百分含量计，所述丙烯酸改性聚酯为60-80％，2-丁氧基乙醇为10-20％，一缩二丙二醇一甲醚为10-20％。
  18. 如权利要求16所述的涂料，其特征在于，所述交联树脂为甲醚化三聚氰胺甲醛树脂。
  19. 如权利要求16所述的涂料，其特征在于，所述催化剂为十二烷基苯磺酸钠、对甲苯磺酸中一种或二者的组合。
  20. 如权利要求16所述的涂料，其特征在于，所述润湿分散剂为改性聚酯。
  21. 一种如权利要求16-20任一项所述的涂料的用途，其特征在于，所述涂料用作如权利要求1-5任一项所述的预涂板的面涂层、用作如权利要求6-11任一项所述的金属材料的面涂层或用于制作如权利要求6-11任一项所述的金属材料。
  22. 一种UV固化涂料，其特征在于，以重量百分含量计，所述UV固化涂料的原料配方包括以下组分：
    Figure PCTCN2017091688-appb-100006
  23. 如权利要求22所述的UV固化涂料，其特征在于，所述抗污材料为硅酮、全氟烷基乙基丙烯酸酯、聚四氟乙烯乳液、硅烷偶联剂、氢硅油中的一种或多种的组合。
  24. 如权利要求22所述的UV固化涂料，其特征在于，所述UV单体为环氧丙烯酸树脂、改性环氧丙烯酸树脂中的一种或二者的组合。
  25. 如权利要求22所述的UV固化涂料，其特征在于，所述耐黄变树脂为脂肪族异氰酸酯、耐黄变聚氨酯中的一种或二者的组合。
  26. 如权利要求22所述的UV固化涂料，其特征在于，所述光引发剂为2-羟基-2-甲基-1-苯基丙酮、二苯甲酮中的一种或二者的组合。
  27. 如权利要求22所述的UV固化涂料，其特征在于，所述流平剂为丙烯酸流平剂。
  28. 一种高光泽、高硬度、易擦洗、耐擦洗的金属材料，其特征在于，所述金属材料包括如权利要求1-6任一项所述的预涂板和设置在所述预涂板的面涂层上的保护涂层；所述保护涂层使用的涂料为如权利要求22-27任一项所述的UV固化涂料。
  29. 如权利要求28所述的金属材料，其特征在于，所述金属材料为书写板。
  30. 一种如权利要求22-27任一项所述的UV固化涂料在制作书写板中的应用。
  31. 一种如权利要求1-5任一项所述的预涂板在数码打印中的应用。
  32. 一种如权利要求1-5任一项所述的预涂板在制作基于数码打印结合表面光固化涂料处理可钣金加工的金属材料中的应用。
  33. 一种如权利要求6-11任一项所述的基于数码打印结合表面光固化涂料处理可钣金加工的金属材料在家电生产中的应用。
  34. 一种如权利要求6-11任一项所述的基于数码打印结合表面光固化涂料处理可钣金加工的金属材料在建筑中的应用。
  35. 如权利要求34所述的应用，其特征在于，所述金属材料用于制作整体卫浴、墙壁、家电冰箱、洗衣机。
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