CN109808397B - Method for decorating surface by PP decorative film - Google Patents
Method for decorating surface by PP decorative film Download PDFInfo
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- CN109808397B CN109808397B CN201910078800.8A CN201910078800A CN109808397B CN 109808397 B CN109808397 B CN 109808397B CN 201910078800 A CN201910078800 A CN 201910078800A CN 109808397 B CN109808397 B CN 109808397B
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Abstract
The invention discloses a method for decorating a PP decorative film, which comprises the following steps: sanding the wood product with the PP decorative film veneered, spraying or rolling a high-adhesion environment-friendly primer respectively, sanding the surface of the environment-friendly primer on the surface of the PP decorative film after curing and drying, and coating a water-based coloring finish on the surface of the PP decorative film of the wood product according to the comparison of the integral part color templates of the wood product; or directly adopting the modified powder coating to carry out one-time thick coating on the surface of the PP decorative film to achieve the overall color and appearance effect of the wooden product. The method of the invention is adopted to carry out surface decoration on the surface of the PP decorative film, so that the surface decoration of a wood product has good overall appearance effect, coordinated color and touch and small product color difference, improves the integrity of the PP cladding material and the veneer facing material, has high visual fullness and good glossiness, can effectively increase the added value of the product, and really achieves the vivid wood grain or solid color effect of the veneer decoration.
Description
Technical Field
The invention belongs to the technical field of materials, and particularly relates to a method for decorating a PP decorative film.
Background
With the rapid development of economy and the continuous progress of the living standard of materials, the furniture industry and the interior decoration industry in China have a rapidly increasing trend in recent years, and the great demand on the surface decoration material of wood products is driven. The wood product surface veneer usually contains decorative veneer, melamine paper, impregnated bond paper, polyvinyl chloride (PVC), ornamental material such as polypropylene (PP) membrane and polyester film (PET), wherein plastic film class (PVC, PP, PET) and decorative paper class (melamine decorative paper, impregnated bond paper etc.) all can make it into the surface effect that has natural timber look sense and even texture, compared with natural precious timber decorative veneer, can realize low cost, the surface decoration effect of high added value, paste it in wooden wood-based plate substrate surface through the gluing agent, reach the surface material effect of different materials, decorative pattern. Generally speaking, the facing of the plane part of a wooden product, decorative paper and plastic film type surface decorative materials can achieve relatively good effects, but for the surface decoration and coating processes of special-shaped parts such as door pocket lines, decorative lines, cabinet body plate edge sealing and the like, melamine decorative paper and other materials are adopted, so that the phenomena of surface cracks, local fracture and the like of the decorative materials are easy to occur due to the factors such as over hard materials, poor adaptability of special-shaped surfaces and the like, and the facing quality is difficult to ensure. Therefore, the wood product market generally adopts a PVC or PP decorative film and the like to carry out coating decoration on the irregular surface parts of the wood products.
However, with the national concern on environmental protection and the restriction of relevant standards on the emission of harmful substances, the chloride contained in the PVC material causes pollution and harm to the environment and human body, and is rejected by some industrial standards at present (for example, in the social group standard-green product evaluation-wooden door T/CNFPIA 3001-2018, the PVC facing film is definitely removed from the surface facing material), the requirements for wood product decorative materials are extremely high abroad, and international standards such as european ROHS and usa require low-toxicity standard products. Therefore, the surface decoration of the wooden products by adopting the PP decoration film which does not contain chloride, is degradable and has good performances in all aspects to completely replace the PVC decoration film is a trend.
In order to achieve vivid material surface appearance and texture effects, the surface of a wooden product is usually decorated by a wood grain-imitated PP decorative film or a solid PP decorative film, and the surface is directly decorated by a paint-free process, and a paint (coating) process is performed on the surface of the wooden product. However, in fact, for some wooden products, such as wooden door pocket lines and other irregular surfaces, the PP facing film is used for surface decoration, and the door panel is usually painted after being faced with a decorative veneer, so the surface effect of the paint-free PP facing film is difficult to match with the paint film effect of the door panel, and the problems of color difference or texture color matching and the like of the surface of the door pocket line PP facing film and the door panel are easily caused, and the problems of insufficient glossiness and plumpness and the like also exist even if the PP facing film is used for large-area decoration of the plane part of the wooden product.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for decorating the surface of the PP decorative film, which effectively improves the appearance aesthetic feeling of wooden product parts and the whole body (such as wooden door pocket lines, door leaves, cabinet body panels and edge sealing materials), reduces the color difference and the like among the wooden product parts, and achieves the surface decoration effect of the wooden product. The method can effectively improve the added value of the wood products and reduce the consumption and production cost of the precious tree species and wood.
The specific technical scheme is as follows:
a method for decorating a surface by a PP decorative film comprises the following steps:
1) coating the plane or the special-shaped surface of the wooden product by adopting a PP decorative film;
2) sanding the PP decorative film on the surface of the wooden product, and then coating one or more environmental-friendly primer coats, wherein each environmental-friendly primer coat needs to be cured, dried and sanded;
3) carrying out color comparison on the PP decorative film coated with the environment-friendly primer and the whole sample plate of the wooden product, debugging the formula of the coloring finish paint according to the comparison result of the whole color difference of the wooden product, coating one or two coloring finish paints on the surface of the PP decorative film coated with the environment-friendly primer, and curing and drying each coloring finish paint; obtaining a wooden product with uniform surface color;
the environment-friendly primer and the coloring finish paint both comprise a thermoplastic acrylic resin modifier and a surfactant modified nano-additive.
Further, a method for decorating a PP decorative film veneer comprises the following steps:
1) coating the plane or the special-shaped surface of the wooden product by adopting a PP decorative film;
2) carrying out primary sanding treatment on a PP decorative film on the surface of a wooden product, coating a first environment-friendly primer, curing and drying, and carrying out secondary sanding treatment; coating a second environment-friendly primer on the PP decorative film subjected to the second sanding treatment, curing and drying, and then performing third sanding treatment;
3) carrying out color comparison on the PP decorative film coated with the environment-friendly primer and the whole sample plate of the wooden product, debugging the formula of the coloring finish paint according to the color difference comparison result of the whole color of the wooden product, coating the coloring finish paint on the surface of the PP decorative film subjected to the third sanding treatment, and then curing and drying; obtaining a wooden product with uniform color;
the environment-friendly primer and the coloring finish paint both comprise a thermoplastic acrylic resin modifier and a surfactant modified nano-additive.
Further, the environment-friendly primer is water-based paint, ultraviolet curing paint or varnish; preferably, the main component of the environment-friendly primer is acrylic acid, polyurethane or polyurethane acrylate, and the auxiliary component further comprises reactive slurry and other additives.
Further, the coloring finish paint is an aqueous coloring finish paint, preferably, the main component of the aqueous coloring finish paint is acrylic acid, polyurethane or polyurethane acrylate, and the auxiliary component also comprises color paste with good solubility and other additives.
Further, the slurry is one or more of reactive nano-montmorillonite, magnesium oxide and calcium carbonate.
Further, the facing of the real-color PP decorative film can be realized by the following steps:
coating a plane or special-shaped surface of a wood product with a PP decorative film, sanding the PP decorative film on the surface of the wood product, and spraying modified powder coating on the sanded PP decorative film surface at one time to form a coating with uniform color on the PP decorative film surface; the thickness of the coating is 60-100 pm.
The main components of the modified powder coating are acrylic resin modified epoxy polyester powder coating, acrylic resin modified polyester resin powder coating and polyurethane powder coating without a blocking agent.
Furthermore, the sanding treatment of the PP decorative film refers to that sand paper or abrasive belt is adopted to carry out light grinding along the texture of the PP decorative film; the mesh number of the sand paper or the abrasive belt is 300-600 meshes.
Furthermore, the adhesive force of the colored finish on the surface of the environment-friendly primer is effectively improved, and the sanding treatment of the environment-friendly primer refers to light grinding by using sand paper or a sand belt, wherein the mesh number of the sand paper or the sand belt is 320-400 meshes; the abrasive paper or the abrasive belt with the mesh number is adopted for sanding, so that the roughness of the surface of the environment-friendly primer is improved, and the hydrophilicity is greatly improved.
Further, the spraying is a low-temperature electrostatic powder spraying method.
Furthermore, the nano auxiliary agent is a nano reinforcing agent and a nano anti-aging agent.
Generally, the plane of the wood product of the present invention refers to a door leaf or a cabinet panel, and the irregular surface of the wood product refers to a wooden door pocket line or a sealing material, etc.
In the invention, the color comparison of the PP decorative film coated with the environment-friendly primer and the whole sample plate of the wooden product is a very critical step, and the formula of the coloring finish paint is adjusted by comparing the color difference of the whole color of the wooden product, so that the whole harmony of the color of the wooden product is improved.
The thermoplastic acrylic resin modifier and the surfactant modified nano auxiliary agent in the environment-friendly primer disclosed by the invention can increase the chemical reaction activity of the main agent of the paint, increase the oxygen-containing functional groups of the main agent of the paint, so that the main agent and the surface of a PP decorative film can generate physical permeation and simultaneously form a chemical crosslinking reaction, thereby improving the paint film adhesion of the paint in the surface finishing of the PP film.
The main component of the coloring finish paint can be acrylic acid, polyurethane or propylene and polyurethane acrylate, the thermoplastic acrylic resin modifier and the surfactant modified nano-assistant are added in the preparation, so that the chemical reaction activity of the main paint agent can be increased, the oxygen-containing functional groups of the main paint agent are increased, and the surfactant modified nano-assistant can effectively promote the compatibility of the soluble color paste and the main paint agent, thereby improving the permeability and the adhesiveness of the water-based finish paint, increasing the chemical crosslinking density while generating physical permeability with the surface of a primer paint film, buffering the thermal stress dispersion among molecules, and effectively improving the colorability and the adhesive force of the paint film to the environment-friendly primer paint.
Sanding the wooden product faced with the PP decorative film, then respectively spraying or rolling a high-adhesion water-based or ultraviolet-cured environment-friendly primer, sanding the surface of the environment-friendly primer on the surface of the PP decorative film after curing and drying, and then coating the surface of the PP decorative film of the wooden product with a water-based colored finish according to the comparison of the integral part color templates of the wooden product; or directly adopting the modified powder coating to carry out one-time thick coating on the surface of the PP decorative film to achieve the overall color and appearance effect of the wooden product. Adopt this technique to carry out woodwork plane surface or special-shaped position veneer, can effectively improve the whole coordination and the vision matching nature of the mutual part colour of woodwork, increase product surface stereovision and fullness, easy and simple to handle, product feature of environmental protection is good, and the steady quality can become a fine novel veneer technology in woodwork surface and carry out the industrialization popularization.
The nano additive modified by the thermoplastic acrylic resin modifier and/or the surfactant added in the environment-friendly primer and the colored finish paint can also improve the aging resistance of a paint film.
The invention has the following beneficial effects:
1. the invention adopts the environment-friendly paint with high adhesive force to coat the environment-friendly primer and the coloring finish paint on the surface of the wood product PP decorative film coated by the veneering or to coat the surface of the wood product PP decorative film with one-time thick paint, thereby effectively improving the appearance effect of wood product parts, the whole body (such as a wood door pocket line, a door leaf, a sealing material and a cabinet body panel) and large-area PP film veneering, solving the problems of the color difference and the material difference between the wood product PP decorative film and the decorative veneer of the wood product, and the problems of relatively rigid surface texture vision, poor layering sense and the like of the common wood product paint-free PP decorative film, and further achieving the surface decorative effect of high-quality.
2. The method of the invention is adopted to carry out surface decoration on the surface of the PP decorative film, so that the surface decoration of a wood product has good overall appearance effect, coordinated color and touch and small product color difference, improves the integrity of the PP cladding material and the veneer facing material, has high visual fullness and good glossiness, can effectively increase the added value of the product, and really achieves the vivid wood grain or solid color effect of the veneer decoration.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below in connection with preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
Example 1
A method for decorating a surface by a PP decorative film comprises the following steps:
the method comprises the following steps: adopting black walnut decorative veneer to carry out surface veneering on the door leaf of the solid wood composite door, and then carrying out matched coating on the surface of the veneered door leaf by using an environment-friendly primer (two layers) and an environment-friendly coloring finish paint (one layer);
step two: gluing the surface of the door pocket line of the solid wood composite door, and then coating the surface with a PP decorative film with black walnut grains; after the glue is dried, sand paper with the mesh number of 400 meshes is adopted to lightly grind along the texture of the PP decorative film; after dust is removed, spraying a first layer of environment-friendly primer on the surface of the PP decorative film after the first sanding by using water-based spraying equipment, wherein the viscosity is 50s (4 cups are coated), and the coating weight is 120g/m2Then, curing and drying for 1h by adopting a cold infrared drying method; uniformly polishing the first environment-friendly primer by using 320-mesh sand paper, wherein sand does not leak in a 45-degree inclined direction; after dust is removed, spraying a second environmental protection primer on the surface of the PP decorative film after the second sanding by using water-based spraying equipment, wherein the viscosity is 50s (4 cups are coated), and the coating weight is 120g/m2Curing and drying for 1h by adopting a cold infrared drying method; uniformly polishing the second environment-friendly primer by using 320-mesh sand paper, wherein the sand paper is inclined at 45 degrees and has no sand leakage;
step three: carrying out color comparison on the PP decorative film subjected to the third sanding and the whole sample plate of the wood product, debugging the formula of the coloring finish paint according to the color difference comparison result of the whole color of the wood product, and coating the coloring finish paint on the surface of the PP decorative film subjected to the third sanding, wherein the viscosity of the coloring finish paint is 15s (4 cups are coated), and the coating weight is 18g/m2(ii) a And curing and drying for 6 hours by adopting a cold infrared drying method to obtain the wooden product with uniform color.
The environment-friendly primer is water-based paint which comprises water-based polyurethane acrylate monomers, a thermoplastic acrylic resin modifier, a sodium dodecyl sulfate modified nano reinforcing agent, a sodium dodecyl sulfate modified nano anti-aging agent, nano montmorillonite, magnesium oxide, calcium carbonate, butyl acrylate, styrene, a preservative, a defoaming agent, sodium acetate, deionized water and the like, wherein the nano montmorillonite, the magnesium oxide, the calcium carbonate, the butyl acrylate, the styrene and the preservative have good reactivity;
the coloring finish paint comprises butyl acrylate, a thermoplastic acrylic resin modifier, a lauryl sodium sulfate modified nano-additive, water-based color paste, acrylic acid, styrene, water-based color paste, catalyst ammonium sulfate, fatty alcohol polyoxyethylene, deionized water and the like.
Example 2
A method for decorating a surface by a PP decorative film comprises the following steps:
the method comprises the following steps: carrying out matched coating of the environment-friendly primer and the environment-friendly coloring finish paint on the surface of the cabinet panel with the medium-density board as the base material to finish the whole white paint coating effect of the cabinet panel;
step two: carrying out hot melt adhesive gluing and edge sealing treatment on the side edge of the cabinet by using a PP decorative film, and then lightly grinding the side edge of the cabinet along the texture of the PP decorative film by using sand paper with the mesh number of 400 after the side edge of the cabinet is glued to be dry; after dust is removed, a side roller coater is adopted to roll coat the PP decorative film after the first sanding with a first environmental protection priming paint with the viscosity of 50s (coating 4 cups), and the coating amount is 15g/m2(ii) a Curing and drying for 5s by adopting double-lamp ultraviolet curing equipment; uniformly polishing the first environment-friendly primer by using sand paper with the mesh number of 400 meshes, wherein no sand leakage exists in the direction inclined by 45 degrees; removing dust, and then rolling a second environmental protection primer on the surface of the PP decorative film subjected to secondary sanding by using water-based spraying equipment, wherein the viscosity is 50s (coating 4 cups), and the coating weight is 15g/m2Curing and drying for 5s by adopting double-lamp ultraviolet curing equipment; uniformly polishing the second environment-friendly primer by using sand paper with the mesh number of 400 meshes, wherein no sand leakage exists in the direction inclined by 45 degrees;
step three: carrying out color comparison on the PP decorative film subjected to the third sanding and the whole sample plate of the wood product, debugging the formula of the coloring finish paint according to the color difference comparison result of the whole color of the wood product, and coating the coloring finish paint on the surface of the PP decorative film subjected to the third sanding, wherein the viscosity of the coloring finish paint is 15s (4 cups are coated), and the coating weight is 18g/m2(ii) a And curing and drying for 8 hours by adopting a microwave drying method to obtain the wooden product with uniform color.
The environment-friendly primer is ultraviolet curing paint, preferably, the environment-friendly primer is matte ultraviolet curing white paint; the matte ultraviolet light curing white paint comprises urethane acrylate, a thermoplastic acrylic resin modifier, a sodium dodecyl sulfate modified nano reinforcing agent, a sodium dodecyl sulfate modified nano anti-aging agent, reactive active nano montmorillonite, magnesium oxide and calcium carbonate, a trifunctional acrylate monomer, a benzoin ether photoinitiator, xylene, ethyl acetate, ethyl cellulose, an anti-sagging agent, a stabilizer, an accelerator, a white coloring pigment, talcum powder and the like;
the coloring finish paint is acrylate white finish paint, preferably, the coloring finish paint is double-component water-based acrylate white finish paint which comprises acrylate monomers, a thermoplastic acrylate modifier, a sodium dodecyl sulfate modified nano-additive, water-based color paste, a side chain phospholipid high-molecular monomer, polyvinyl alcohol, calcined kaolin, nitrocellulose, ammonium sulfate, deionized water and the like.
Example 3
A method for decorating a surface by a PP decorative film comprises the following steps:
the method comprises the following steps: coating waterproof white glue on the surface of a wardrobe with a single shaving board as a base material, then coating the wardrobe with a redwood PP decorative film on the whole body, and after the glue is dried, lightly grinding the wardrobe along the texture of the PP decorative film by using sand paper with the mesh number of 400; after dust is removed, a side roller coater is adopted to roll coat the PP decorative film after the first sanding with a first environmental protection priming paint with the viscosity of 60s (coating 4 cups), and the coating amount is 25g/m2(ii) a Curing and drying for 5s by adopting double-lamp ultraviolet curing equipment; uniformly polishing the first environment-friendly primer by using 320-mesh sand paper, wherein sand does not leak in a 45-degree inclined direction; removing dust, and then rolling a second environmental protection primer on the surface of the PP decorative film subjected to secondary sanding by using water-based spraying equipment, wherein the viscosity is 50s (coating 4 cups), and the coating weight is 15g/m2Curing and drying for 5s by adopting double-lamp ultraviolet curing equipment; uniformly polishing the second environment-friendly primer by using 320-mesh sand paper, wherein the sand paper is inclined at 45 degrees and has no sand leakage;
step two: carrying out color comparison on the PP decorative film subjected to the third sanding and the whole sample plate of the wood product, debugging the formula of the coloring finish paint according to the color difference comparison result of the whole color of the wood product, and coating the surface of the PP decorative film subjected to the third sanding with the first coloring finish paint, wherein the viscosity of the coloring finish paint is 15s (4 cups are coated), and the coating weight is 15g/m2(ii) a Curing and drying for 1 hour by adopting a microwave drying method, and then uniformly polishing by adopting sand paper with the mesh number of 600 meshes, wherein no sand leakage phenomenon exists in the direction inclined by 45 degrees; spraying a second colored finish paint, wherein the viscosity of the colored finish paint is 12s (4 cups are coated), and the coating weight is 20g/m2And curing and drying for 6 hours by a microwave drying method to obtain the wooden product with uniform color.
The environment-friendly primer is ultraviolet curing paint, preferably, the environment-friendly primer is matte ultraviolet curing red paint; the matte ultraviolet-curing red paint comprises acrylic polyester, a thermoplastic acrylic resin modifier, a nano assistant modified by hydroxyl acrylic emulsion, reactive nano montmorillonite, magnesium oxide and calcium carbonate, difunctional acrylate monomers, benzoin propyl ether, acetone, butyl acetate, cellulose acetate butyrate, silicon dioxide, aluminum stearate, an anti-sagging agent, a stabilizer, an accelerator, a red coloring pigment and the like;
the coloring finish paint is an aqueous polyurethane clear finish paint, preferably, the coloring finish paint is a two-component aqueous polyurethane clear finish paint which comprises a polyurethane acrylate monomer, a thermoplastic acrylic resin modifier, a hydroxyl acrylic emulsion modified nano-additive, an aqueous color paste, water, a preservative, a dispersing agent, a defoaming agent, a rheological additive, a nano-silica dispersion liquid and the like.
Example 4
A method for decorating a surface by a PP decorative film comprises the following steps:
the method comprises the following steps: the surface of the bedside board of the medium-density children bed is coated with the white PP decorative film in a hot-pressing mode, dust on the surface of the bedside board is removed through the air blowing device, and meanwhile a phosphating film is formed on the surface of the PP decorative film, so that the adhesion of a paint film after powder spraying can be enhanced, and the surface temperature of the treated PP decorative film can be guaranteed to be below 35 ℃.
Step two: conveying the headboard pasted with the PP decorative film into a powder spraying room spray gun position through a conveying chain for preparing spraying operation; the electrostatic generator discharges high-voltage static electricity (negative electrode) to the space of the direction of the workpiece through an electrode needle at the muzzle of the spray gun, the static high voltage is 60-90kV, the static current is 10-20 muA, the flow velocity pressure is 0.30-0.55MPa, the atomization pressure is 0.30-0.45MPa, and the high-voltage static electricity ionizes the mixture of the powder and the compressed air sprayed from the muzzle of the spray gun and the air around the electrode (negative charge);
the bed head plate is grounded (grounding electrode) through the hanging tool through the conveying chain, so that an electric field is formed between the spray gun and the bed head plate, the distance between the spray gun opening and the bed head plate is 150-300mm, and the white powder coating reaches the surface of the bed head plate under the double pushing of the electric field force and the compressed air pressure, so that a uniform coating is formed by means of electrostatic adsorption; the thickness of the coating was 80 pm; the white powder coating is epoxy polyester modified by acrylic resin.
Example 5
A method for decorating a surface by a PP decorative film comprises the following steps:
the method comprises the following steps: coating teak texture PP decorative films on the surface of a wood floor with a medium-density board as a base material; then, after the glue is dried, sand paper with the mesh number of 400 is used for polishing; after dust is removed, a UV roller coating device is adopted to roller coat a first environmental protection primer layer on the PP decorative film after the first sanding, the viscosity is 60s (4 cups are coated), and the coating amount is 35g/m2(ii) a Curing and drying for 5s by adopting double-lamp ultraviolet curing equipment; uniformly polishing the first environment-friendly primer by using 320-mesh sand paper, wherein sand does not leak in a 45-degree inclined direction; removing dust, and then rolling a second environmental protection primer on the surface of the PP decorative film subjected to secondary sanding by using water-based spraying equipment, wherein the viscosity is 60s (4 cups are coated), and the coating weight is 25g/m2Curing and drying for 5s by adopting double-lamp ultraviolet curing equipment; uniformly polishing the second environment-friendly primer by using sand paper with the mesh number of 400 meshes, wherein no sand leakage exists in the direction inclined by 45 degrees;
step three: carrying out color comparison on the PP decorative film subjected to the third sanding and the whole sample plate of the wood product, debugging the formula of the coloring finish paint according to the color difference comparison result of the whole color of the wood product, spraying the coloring finish paint on the surface of the PP decorative film subjected to the third sanding by adopting a water-based spraying device, wherein the viscosity of the coloring finish paint is 15s (4 cups are coated), and the coating weight is 15g/m2(ii) a And curing and drying for 24 hours by adopting a cold infrared drying method to obtain the wooden product with uniform color.
The environment-friendly primer is an ultraviolet curing paint, preferably, the ultraviolet curing paint comprises acrylic polyester, a thermoplastic acrylic resin modifier, a sodium dodecyl sulfate modified nano reinforcing agent, a sodium dodecyl sulfate modified nano anti-aging agent, reactive nano montmorillonite, magnesium oxide and calcium carbonate, a trifunctional acrylate monomer, benzoin ethyl ether, acetone, butyl acetate, cellulose acetate butyrate, an anti-sagging agent, a stabilizer, an accelerator and the like;
the coloring finish paint is a two-component waterborne polyurethane clear finish paint which comprises a polyurethane acrylate monomer, a thermoplastic acrylic resin modifier, a hydroxyl acrylic emulsion modified nano-additive, a waterborne color paste, water, a preservative, a dispersing agent, a defoaming agent, a rheological additive, a nano-silica dispersion liquid and the like.
Through a large number of experimental tests, the common paint-free PP facing films are used for direct facing comparison, and the wooden door pocket and the door leaf, the cabinet panel and the edge banding, the child bed board, the wood floor, even the wooden stair, the wooden toy and other wooden products prepared by the method have good surface overall matching and coordination, small color difference, full coating film, good glossiness and greatly improved overall appearance performance of the product.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (10)
1. A method for decorating a surface by a PP decorative film is characterized by comprising the following steps:
1) coating the plane or the special-shaped surface of the wooden product by adopting a PP decorative film;
2) sanding the PP decorative film on the surface of the wooden product, and then coating one or more environmental-friendly primer coats, wherein each environmental-friendly primer coat needs to be cured, dried and sanded;
3) carrying out color comparison on the PP decorative film coated with the environment-friendly primer and the whole sample plate of the wooden product, debugging the formula of the coloring finish paint according to the comparison result of the whole color difference of the wooden product, coating one or two coloring finish paints on the surface of the PP decorative film coated with the environment-friendly primer, and curing and drying each coloring finish paint; obtaining a wooden product with uniform surface color;
the environment-friendly primer and the coloring finish paint both comprise a thermoplastic acrylic resin modifier and a surfactant modified nano-additive.
2. The method of decorating a film facing with PP according to claim 1, comprising the steps of:
1) coating the plane or the special-shaped surface of the wooden product by adopting a PP decorative film;
2) carrying out primary sanding treatment on a PP decorative film on the surface of a wooden product, coating a first environment-friendly primer, curing and drying, and carrying out secondary sanding treatment; coating a second environment-friendly primer on the PP decorative film subjected to the second sanding treatment, curing and drying, and then performing third sanding treatment;
3) carrying out color comparison on the PP decorative film coated with the environment-friendly primer and the whole sample plate of the wooden product, debugging the formula of the coloring finish paint according to the color difference comparison result of the whole color of the wooden product, coating the coloring finish paint on the surface of the PP decorative film subjected to the third sanding treatment, and then curing and drying; obtaining a wooden product with uniform color;
the environment-friendly primer and the coloring finish paint both comprise a thermoplastic acrylic resin modifier and a surfactant modified nano-additive.
3. The method of decorating a film facing with PP according to claim 2, wherein the eco-friendly primer is a water-based paint, a uv-curable paint or a clear paint; preferably, the main component of the environment-friendly primer is acrylic acid, polyurethane or polyurethane acrylate, and the auxiliary component further comprises reactive slurry.
4. The method for decorating the surface of the PP decorative film according to claim 2, wherein the coloring finish paint is a water-based coloring finish paint, preferably, the water-based coloring finish paint comprises a main component of acrylic acid, polyurethane or polyurethane acrylate and an auxiliary component of color paste with good solubility.
5. The method for decorating a film veneer with PP according to claim 3, wherein the slurry is one or more of reactive nano-montmorillonite, magnesium oxide and calcium carbonate.
6. The process for decorating a film according to claim 1 or 2 wherein the nanoadditive is a nanoreinforcing agent and a nanoage resister.
7. The method for decorating the surface of the PP decorative film according to claim 1, wherein the surface of the PP decorative film with the real color is further realized by the following steps:
coating a plane or special-shaped surface of a wood product with a PP decorative film, sanding the PP decorative film on the surface of the wood product, and spraying modified powder coating on the sanded PP decorative film surface at one time to form a coating with uniform color on the PP decorative film surface; the thickness of the coating is 60-100 pm;
the main components of the modified powder coating are acrylic resin modified epoxy polyester powder coating, acrylic resin modified polyester resin powder coating and polyurethane powder coating without a blocking agent.
8. The method for decorating the surface of the PP decorative film according to claim 1 or 7, wherein the sanding treatment of the PP decorative film is light sanding along the texture of the PP decorative film by using sand paper or a sanding belt; the mesh number of the sand paper or the abrasive belt is 300-600 meshes.
9. The method for decorating the surface of the PP decorative film according to claim 1 or 2, wherein the sanding treatment of the environmental primer refers to light sanding by using sandpaper or a sanding belt, and the mesh number of the sandpaper or the sanding belt is 320-400 meshes.
10. The method of decorating a film finish with PP as in claim 7, wherein the spraying is a low temperature electrostatic powder spraying.
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| US8529984B2 (en) * | 2010-07-26 | 2013-09-10 | Sally Sirkin Lewis | Method of producing an ombré´ finish for materials |
| CN103753656B (en) * | 2014-01-10 | 2016-08-17 | 中国林业科学研究院木材工业研究所 | A kind of flexible composite veneer and processing method thereof |
| CN107471788A (en) * | 2016-06-07 | 2017-12-15 | 湖南邦弗特新材料技术有限公司 | A kind of soft decorating film and its UV coating process and application |
| CN107138376A (en) * | 2017-06-06 | 2017-09-08 | 南京林业大学 | A kind of modifying cotton wood material solid wood furniture surface wood wax oil coating method |
| CN108044750A (en) * | 2017-11-22 | 2018-05-18 | 中国林业科学研究院木材工业研究所 | A kind of method for improving wood surface paint film adhesive force |
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