CN109181562B - Multifunctional and environment-friendly wood-like decorative film and production method thereof - Google Patents
Multifunctional and environment-friendly wood-like decorative film and production method thereof Download PDFInfo
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- CN109181562B CN109181562B CN201810851442.5A CN201810851442A CN109181562B CN 109181562 B CN109181562 B CN 109181562B CN 201810851442 A CN201810851442 A CN 201810851442A CN 109181562 B CN109181562 B CN 109181562B
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
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- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- 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
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- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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Abstract
The invention provides a multifunctional and environment-friendly wood-like decorative film, which can simultaneously have the appearance and texture of solid wood and can have additional functional effects. Include from top to bottom in proper order: a texture functional layer, a base film layer, a visual effect layer and an adhesive layer; the texture functional layer is divided into a hard functional part and a soft functional part; the hard functional part and the soft functional part are simultaneously exposed on the front surface of the wood-like decorative film; the soft functional part contains soft particles and microcapsules; the hard functional part contains hard particles and microcapsules; functional substances are filled in the microcapsules of the soft functional part and the microcapsules of the hard functional part. The invention also provides a production method for producing the wood-like decorative film. The multifunctional and environment-friendly wood-like decorative film and the production method thereof have the following advantages: the texture and the impression of the wood grains are very vivid, various functions which are easy to customize can be attached to the decorative film according to the needs, and the wood grains can be suitable for adhering and covering various different materials.
Description
Technical Field
The invention relates to the field of building materials, in particular to a wood-like decorative film which can be added with multiple functions; the invention also relates to a production method of the wood-like decorative film.
Background
The natural hard texture distributed wood has the characteristics of permanent texture, soft texture, silk texture on the surface, unique fragrance, lasting fragrance, insect expelling and the like. Because of the shortage of forest resources, the growth of artificial wood is promoted, and the current artificial wood is produced by wood grain paper, a plate body, a common wood grain film, a plate body, a wood-plastic section bar and the like, but the products can only imitate the appearance of the surface of the wood at most, but cannot completely duplicate a plurality of elements of natural wood, particularly the texture of the surface of the wood.
The film can be compounded on other various materials, and if the film has the effects of solid wood appearance and solid wood texture, the film has great market demand.
The existing wood-like decorative film can only provide the solid wood appearance but can not provide the solid wood texture.
Disclosure of Invention
The invention provides a multifunctional and environment-friendly wood-like decorative film, which can simultaneously have the appearance and texture of solid wood and can have additional functional effects.
The following technical scheme is adopted:
the utility model provides a multi-functional and imitative wooden decorative film of environmental protection, in particular, imitative wooden decorative film's front is last, and imitative wooden decorative film's bottom surface is down, includes in proper order from top to bottom: a texture functional layer, a base film layer, a visual effect layer and an adhesive layer; the texture functional layer is divided into a hard functional part and a soft functional part; the hard functional part and the soft functional part are simultaneously exposed on the front surface of the wood-like decorative film; the soft functional part contains soft particles and microcapsules; the hard functional part contains hard particles and microcapsules; functional substances are filled in the microcapsules of the soft functional part and the microcapsules of the hard functional part.
The wood-like decorative film of the invention is mainly characterized in that: the combination of soft texture and hard texture is used to obtain more realistic wood-like effect. The hard texture is obtained by using a high-hardness resin formula and adding hard particles, so that the hand feeling effect is more similar to the feeling of the xylem of natural wood, the hand feeling is relatively hard, and the three-dimensional hand feeling is strong. Soft texture is obtained by using a resin with good toughness and adding soft particles, such as: the silicon rubber particles make the hand feel more similar to the phloem of natural wood, and the hand feel is soft and has skin-like feeling. And one of the hard functional portion and the soft functional portion does not entirely cover the other but only partially covers the other, so that the hard functional portion and the soft functional portion can be touched at substantially the same time by stroking on the front surface of the film. The part covered by the hard functional part on the soft functional part is convex, and when the part exposed outside the hard functional part is set according to the texture of wood, the wood-like decorative film forms the texture of wood-like, and the texture is very close to real wood in vision or hand feeling and can be achieved by not only simply manufacturing a hard functional layer or a soft functional layer.
To achieve that the "hard functional portion and the soft functional portion are exposed to the front side of the film at the same time", there may be two schemes: one is that the soft functional part covers the base film layer completely, and the hard functional part is positioned on the soft functional part and does not cover the soft functional part completely; the other is that a part of the base film is covered with a soft functional portion and the other part is covered with a hard functional portion.
The hardness of the hard functional part is preferably 2H to 3H; the hardness of the soft functional portion is preferably 1.5H to 2H.
The microcapsule contained in the hard functional part can be one or more of a microcapsule filled with insect repellent materials, a microcapsule filled with perfume, a microcapsule filled with anion powder, a microcapsule filled with antibacterial materials, a microcapsule filled with far infrared ion powder and the like.
The microcapsule contained in the soft functional part can be one or more of a microcapsule filled with insect repellent materials, a microcapsule filled with perfume, a microcapsule filled with anion powder, a microcapsule filled with antibacterial materials, a microcapsule filled with far infrared ion powder and the like.
The microcapsules contained in the hard functional portion and the microcapsules contained in the soft functional portion have an average diameter of 2 to 7 μm. When the wood-like decorative film is used, the functional materials in the microcapsules are volatilized or separated out or exposed in modes of pressure, friction, heating or natural diffusion and the like, so that the functional materials exert the effects, different functional materials are filled in the microcapsules, the wood-like decorative film can exert the corresponding functions, and the exertion process of the corresponding functions is a slow, lasting and controllable process.
The hard functional part is preferably formed by mixing resin coating into hard particles and microcapsules and then drying; the soft functional part is preferably formed by mixing a resin coating material into soft particles and microcapsules and then drying the mixture.
The base film layer can be a film layer made of PET, PC, PVC, PP, PE or HIPS.
The visual effect layer comprises one or more of an optical film layer, a temperature change layer, a color ink layer and a dynamic magnetic pigment layer. And the visual effect layer includes 2 or more different layers, the stacking order of the layers can be flexibly changed according to the target effect.
The optical film layer has the functions of: when light passes through the optical film layer, optical refraction occurs, so that the effect of some depth of field is expressed, and the wood grain simulation degree is enhanced. The coating material used for the optical film layer may be solvent-based resin, UV resin, or water-based resin. The existing wood-like decorative film generally has no optical film layer, and only has 1 layer if any, but the expressed effect is not ideal. Preferably, the optical film layer is two cured optical film layers, wherein the upper layer is used for forming fine semi-transparent matte textures, and the lower layer is used for making a wood thorn effect. The optical film layer prepared in the way realizes richer visual effect by utilizing the effect of jointly forming by double-coating and double-embossing.
The temperature change layer has the following functions: under the influence of weak current and temperature, bright and dark patterns and colors are displayed. The temperature change layer is preferably two cured temperature change layers, the upper layer is used for showing fine temperature change wood grains, and the lower layer is used for showing the temperature change effect of full printing. The temperature-changing layer is preferably formed by mixing a coating material with microcapsules containing liquid crystal ink and curing the mixture. The temperature change layer prepared in the way realizes a more unique visual effect by utilizing the effect of the two-layer temperature change and the combined structure.
The color ink layer mainly shows the wood grain pattern and the color effect of the foundation. The color determining method of the color ink layer comprises the following steps: photographing a real object, correcting a drawing, carrying out computer color separation, manufacturing a gravure roller and carrying out online color mixing.
The dynamic magnetic pigment layer mainly provides color and luster pattern effects which can be dynamically changed, so that the wood grain effect has science and technology and variability.
The adhesive layer functions to allow the wood-like decorative film to be durably adhered to an object. Usually, a high polymer material is used as a special medium layer, and a special adhesive is directly adhered to the previous film layer, so that when a user uses the wood-like decorative film, the wood-like decorative film is directly scalded on a target plate body at high temperature, and the decorative film is firmly adhered to the target plate body.
The invention also provides a production method of the multifunctional and environment-friendly wood-like decorative film, which is characterized in that the front surface of the wood-like decorative film is taken as the upper part, the bottom surface of the wood-like decorative film is taken as the lower part, the texture functional layer is manufactured on the upper surface of the base film layer, the visual effect layer is manufactured on the lower surface of the base film layer, and the adhesive layer is manufactured on the lower surface of the visual effect layer; when the texture functional layer is manufactured, a hard functional coating and a soft functional coating are prepared in advance; firstly, completely coating the soft functional coating on the base film layer, curing the soft functional coating, enabling the cured soft functional coating to become a soft functional part, then coating the hard functional coating on the soft functional part and incompletely covering the soft functional part, and then curing the hard functional coating, wherein the cured hard functional coating becomes a hard functional part; the hard functional portion and the soft functional portion are exposed to the front surface of the wood-like decorative film at the same time.
The invention also provides another production method of the multifunctional and environment-friendly wood-like decorative film, which is characterized in that the front surface of the wood-like decorative film is taken as the upper part, the bottom surface of the wood-like decorative film is taken as the lower part, the texture functional layer is manufactured on the upper surface of the base film layer, the visual effect layer is manufactured on the lower surface of the base film layer, and the adhesive layer is manufactured on the lower surface of the visual effect layer; when the texture functional layer is manufactured, a hard functional coating and a soft functional coating are prepared in advance; coating a soft functional coating or a hard functional coating on a base film layer in an incomplete covering manner, curing the functional coating coated firstly, wherein the cured functional coating becomes a soft functional part or a hard functional part correspondingly, then coating the other remaining functional coating on the uncovered part of the base film layer, and curing the functional coating coated later, wherein the cured functional coating becomes the soft functional part or the hard functional part correspondingly; the hard functional portion and the soft functional portion are exposed to the front surface of the wood-like decorative film at the same time.
The hard functional coating can be a scheme I: the feed comprises the following raw materials in parts by weight: 30-40 parts of hydroxyl acrylic resin; 3.0-4.5 parts of a curing agent; 5-15 parts of microcapsules filled with functional substances; 5-15 parts of hard particles; 1-3 parts of an ultraviolet absorber; 1-2 parts of an ultraviolet absorber (hindered amine stabilizer); 25-35 parts of ethyl acetate. The formula can produce the effect of 3H surface hardness and strong hard hand feeling.
The hard functional coating can also be prepared by the following scheme two: the feed comprises the following raw materials in parts by weight: 35-45 parts of fluorocarbon resin; 3.0-4.5 parts of a curing agent; 5-15 parts of microcapsules filled with functional substances; 5-15 parts of hard particles; 1-3 parts of an ultraviolet absorber; 1-2 parts of an ultraviolet absorber (hindered amine stabilizer); ethyl acetate: 25-35 parts. The formula can produce 3H surface hardness, has stronger hard hand feeling effect, and has better anti-fouling and weather-resistant performances.
The soft functional coating can be scheme one: the feed comprises the following raw materials in parts by weight: 35-45 parts of PU resin; 3.0-4.5 parts of a curing agent; 5-15 parts of microcapsules filled with functional substances; 5-15 parts of soft particles; 1-3 parts of an ultraviolet absorber; 1-2 parts of an ultraviolet absorber (hindered amine stabilizer); 25-35 parts of ethyl acetate. The formula can produce the surface hardness of about 1.5H and has the effect of strong silk hand feeling.
The soft functional coating can also be the second scheme: the feed comprises the following raw materials in parts by weight: 35-45 parts of fluorocarbon resin; 3.0-4.5 parts of a curing agent; 5-15 parts of microcapsules filled with functional substances; 5-15 parts of soft particles; 1-3 parts of an ultraviolet absorber; 1-2 parts of an ultraviolet absorber (hindered amine stabilizer); 25-35 parts of ethyl acetate. The formula can produce the surface hardness of about 1.5H, has the effect of strong silk hand feeling, and simultaneously has better anti-fouling and weather-resistant performances.
In the hard functional coating and the soft functional coating, the following components are present:
the hydroxyl acrylic ester is an insoluble infusible acrylic polymer which is formed by crosslinking acrylic monomers including methyl acrylate, ethyl acrylate, n-butyl acrylate, methyl methacrylate, n-butyl methacrylate and the like serving as basic components and has a network structure, and the insoluble infusible acrylic polymer has the general performance of acrylic resin, and also has heat resistance, water resistance and solvent resistance.
The curing agent is isocyanate, and comprises products of MDI, TDI, HDI, polyurethane, other isocyanates and the like. These species are respectively distinguished by 1) MDI being diphenylmethane diisocyanate, generally known as MDI and collectively known as pure MDI, mixtures containing a proportion of pure MDI and polyphenyl polymethylene polyisocyanates (polymeric MDI) and modifications of pure MDI and polymeric MDI; 2) TDI is toluene diisocyanate; 3) HDI is 1, 6-hexamethylene diisocyanate, derivatives are classified into HDI-TMP, biuret, HDI tripolymer and the like as curing agents, and the curing agents have the properties of low viscosity, easy storage, heat resistance, light resistance, solvent resistance and the like. HDI is aliphatic isocyanate and has good yellowing resistance; 4) a polyurethane; 5) other isocyanate products, PAPI (polymethylpolyphenylisocyanate), PI (phenylisocyanate), IPDI (isophorone diisocyanate), ODI (octadecyl isocyanate). Preferably, the curing agent is HDI.
The hard particles can be one or more of kaolin, fumed silica, calcium carbonate, barium sulfate, talcum powder, glass powder, mica powder, titanium dioxide and the like, have the particle size of 0.3-100 micrometers, and play a role of hard hand feeling in application.
The soft particulate matter can be one or more of spherical silicon rubber particles, rubber powder, wax powder and the like, has the particle size of 0.3-100 microns, and plays a role in soft hand feeling in application.
The ultraviolet absorbent is a light stabilizer, is divided into salicylates, benzophenones UV-O, benzotriazoles (UV-P), substituted acrylonitrile, triazines and the like, can absorb the ultraviolet part in sunlight and a fluorescent light source, and does not change. Because sunlight contains a large amount of ultraviolet light with the wavelength of about 290-460 nanometers, which is harmful to colored objects, the harmful ultraviolet light finally decomposes and fades color molecules through chemical Redox (Redox reaction), phenyl salicylate absorbs ultraviolet light absorbent UV-P with a narrow wavelength range, and the stability of the detailed variety 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole in transparent products is better than that in colored products. The ultraviolet absorbent UV-O detailed variety 2, 4-dihydroxy benzophenone has the maximum absorption wavelength range of 280-340 nm, but the light stabilization effect is not outstanding. The ultraviolet absorbent UV-9 component 2-hydroxy-4-methoxybenzophenone has a maximum absorption wavelength range of 280-340 nm, and the product hardly absorbs visible light, so that the product is suitable for light-colored transparent products. The ultraviolet absorbent UV-5312-hydroxy-4-n-octoxybenzophenone can strongly absorb ultraviolet rays with the wavelength of 270-330 nm, and has good compatibility with resin and low volatility. The ultraviolet absorbent UVP-327 component 2- (2' -hydroxy-3 ', 5' -di-tert-phenyl) -5-chlorobenzotriazole can strongly absorb ultraviolet rays with the wavelength of 270-380 nanometers, has good chemical stability and extremely low volatility, and is a remarkable synergistic effect when being used together with an antioxidant. UV absorbers RMB Monobenzoate Resorcinol ester UV light stabilizers, which are similar in efficacy to benzophenone-based light stabilizers. Mainly used for polyvinyl chloride, cellulose resin and polystyrene, and the general dosage is 1-2%. BASF TINUVIN 400 (product "TIANDIANG 400" from BASF) is preferably used. The TINUVIN 400 is a triazine ultraviolet absorber, has excellent thermal stability and environmental durability, low migration effect, high concentration, high efficiency, good light stability and long service life.
The hindered amine stabilizer preferably adopts BASF TINUVIN 123 (product "Tianyun 123" of Pasteur company) and is matched with TINUVIN 400 to obviously improve the performance of the hindered amine stabilizer, and the synergistic effect has good inhibition effect on the reduction of the gloss of the varnish, the generation of cracks, bubbles, delamination and discoloration. The chemical components of the TINUVIN 123 hindered light stabilizer are 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine, the hindered light stabilizer has no ultraviolet absorption capability, but can capture active free radicals generated by polymer degradation, decompose hydroperoxide and transfer the energy of excited state molecules, and the like, and the light stabilization effect is 24 times of that of a common ultraviolet absorber. The product is suitable for polyethylene, polyethylene and other plastics, and has good compatibility with resin, good processability, light stability and good thermal oxidation aging resistance. However, the product has poor heat resistance and is not suitable for long-term use in hot water medium. In addition, the product is preferably processed and used at a temperature of 270 ℃ or lower, and the weight loss is severe when the temperature is exceeded.
The visual effect layer preferably comprises an optical film layer, and the optical film layer can be made of solvent-based resin through the following steps:
a1) mixing 9 parts of hand-feeling gloss oil and 1 part of matte powder together by weight to prepare a first-edition printing coating;
b1) printing the coating of step a 1) on the immediately upper layer of the optical film layer with a higher line count full gravure;
c1) infrared curing the coating of step b 1);
d1) mixing 8.2 parts of hand feeling gloss oil, 1 part of matte powder and 0.8 part of wood thorn powder together according to parts by weight to prepare a second printing coating;
e1) printing the coating of step d 1) on the layer formed in step c 1) with a lower line number of wood-grain intaglio plates;
f1) infrared curing of the coating of step e 1).
The optical film layer can also be made of UV resin through the following steps:
A1) mixing 9 parts of mould pressing gloss oil and 1 part of matte powder together according to parts by weight to prepare a first-edition printing coating;
B1) printing the coating of step a 1) on the immediately upper layer of the optical film layer with a higher line count full gravure;
C1) carrying out die pressing on the coating in the step B1) by using a mirror die pressing roller, and then carrying out UV curing;
D1) mixing 8.2 parts of mould pressing gloss oil, 1 part of matte powder and 0.8 part of wood thorn powder together according to parts by weight to prepare a coating for second-plate printing;
E1) printing the coating of step D1) on the layer formed in step C1) with lower line count full plate intaglio plates;
F1) UV curing of the coating of step E1) using a wood-grain embossing roller.
The multifunctional and environment-friendly wood-like decorative film and the production method thereof have the following advantages: the texture and the impression of the wood grains are very vivid, various functions which are easy to customize can be attached to the decorative film according to the needs, and the wood grains can be suitable for adhering and covering various different materials.
Description of the drawings:
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of example 2.
Description of reference numerals: 1-a texture functional layer; 2-a base film layer; 3-a visual effect layer; 4-an adhesive layer; 11-a hard functional portion; 12-a soft functional moiety; 31-an optical film layer; 32-temperature change layer; 33-color ink layer; 34-a dynamic magnetic pigment layer; 311-layer; 312-layer; 321-layer; 322-layer; a 2' -base film layer; 11' -a hard functional portion; 12' -Soft functional moiety.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1, the present embodiment is a multifunctional and environment-friendly wood-like decoration film. The front of imitative wood decorating film is last, and the bottom surface of imitative wood decorating film is down, and is from top to bottom in proper order: a texture functional layer 1, a base film layer 2, a visual effect layer 3 and an adhesive layer 4.
The texture functional layer 1 is divided into a hard functional portion 11 and a soft functional portion 12. The soft functional portion 12 entirely covers the base film layer 2, while the hard functional portion 11 is on the soft functional portion 12 and does not entirely cover the soft functional portion 12. Thus, the hard functional portion 11 and the soft functional portion 12 are exposed to the front surface of the wood-like decorative film at the same time. And the exposed part of the hard functional part 11 is set according to the texture of wood, so the wood-like decorative film has the texture and the texture of wood. The hard functional portion 11 of the present embodiment is formed by curing a resin in which microcapsules and hard particulate matter are mixed. The soft functional portion 12 of the present embodiment is formed by curing a resin in which microcapsules and soft particulates are mixed. In the present embodiment, the average diameter of the microcapsules of the hard functional portion 11 and the microcapsules of the soft functional portion 12 is 4 μm, a part of the microcapsules contain pyrethroid, a part of the microcapsules contain perfume, a part of the microcapsules contain anion powder, and a part of the microcapsules contain antibacterial material. Therefore, the wood-like decorative film of the present embodiment also has 4 different functions.
The base film layer 2 is a film layer made of PET material and is the basis of the texture functional layer 1 and the visual effect layer 3.
The visual effect layer 3 of this embodiment is, in order from top to bottom: an optical film layer 31, a temperature change layer 32, a color ink layer 33 and a dynamic magnetic pigment layer 34.
The optical film 31 is two cured optical films, the upper layer 311 is used to form fine semi-transparent matte texture, and the lower layer 312 is used to produce wood-grain effect.
The temperature-changing layer 32 is a two-layer solidified temperature-changing layer, the upper layer 321 is used for displaying fine temperature-changing wood grains, and the lower layer 322 is used for displaying full-page temperature-changing effect. The temperature-changing layer 32 is formed by mixing a coating material with microcapsules containing liquid crystal ink and curing the mixture.
The color ink layer 33 mainly shows the wood grain pattern and the basic color effect.
The dynamic magnetic pigment layer 34 mainly provides color and luster pattern effects that can be dynamically changed, so that the wood grain effect has science and technology and variability.
Wherein the adhesive layer 4 is used for enabling the wood-like decorative film to be durably adhered to an object. The high molecular material is used as a special medium layer, and a special adhesive is used for directly bonding with the upper film layer. When the wood-like decorative film is used by a user, the wood-like decorative film is directly scalded on a target plate body at high temperature, and the decorative film is firmly adhered on the target plate body.
It should be noted that when the visual effect layer 3 includes 2 or more different layers, the stacking order of the layers can be flexibly changed according to the target effect.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that: one part of the base film layer 2' is covered by the soft functional portion 12 ' and the other part is covered by the hard functional portion 11 ', so that the hard functional portion 11 ' and the soft functional portion 12 ' are simultaneously exposed on the front surface of the wood-like decorative film.
In addition, the wood-like decorative film of the present embodiment does not have a dynamic magnetic pigment layer.
Example 3
This example is a production method of the wood-like decorative film of example 1. The front surface of the wood-like decorative film is used as the upper part, the bottom surface of the wood-like decorative film is used as the lower part, the base film layer is a PET film layer, the texture functional layer is manufactured on the upper surface of the base film layer, the visual effect layer is manufactured on the lower surface of the base film layer, and the adhesive layer is manufactured on the lower surface of the visual effect layer.
When the texture functional layer is manufactured, the hard functional coating and the soft functional coating are prepared in advance. Firstly, the soft functional coating is coated on the upper surface of the base film layer completely, the soft functional coating is solidified, the solidified soft functional coating becomes a soft functional part, then the hard functional coating is coated on the soft functional part and incompletely covers the soft functional part, then the hard functional coating is solidified, and the solidified hard functional coating becomes a hard functional part.
Wherein, the hard functional coating is: the feed comprises the following raw materials in parts by weight: 40 parts of hydroxyl acrylic resin; 4 parts of curing agent isocyanate; 10 parts of microcapsules containing insect-repellent materials and having an average diameter of 4 microns; 10 parts of hard particles; ultraviolet absorbent BASF TINUVIN 4002 shares; 1231 parts of hindered amine stabilizer BASF TINUVIN; 34 parts of ethyl acetate.
Wherein, the soft functional coating is: the feed comprises the following raw materials in parts by weight: 40 parts of PU resin; 4 parts of curing agent isocyanate; 10 parts of microcapsule with the average diameter of 4 microns and filled with perfume; 10 parts of soft particles; ultraviolet absorbent BASF TINUVIN 4002 shares; 1231 parts of hindered amine stabilizer BASF TINUVIN; and 35 parts of ethyl acetate.
And manufacturing a visual effect layer on the lower surface of the base film layer. The visual effect layer of this embodiment is in proper order from top to bottom: optical film layer, temperature change layer, printing color ink layer, dynamic magnetic pigment layer.
The manufacturing method of the optical film layer comprises the following steps:
the first printed coating was printed on the lower surface of the base film layer using a 70-line full-plate gravure plate, then the coating was infrared-cured, and the second printed coating was printed on the layer formed by the infrared-curing using a 50-line wood grain gravure plate, and then the coating was also infrared-cured. The first printing plate is prepared by mixing 9 parts by weight of hand-feeling gloss oil and 1 part by weight of matte powder. The second printing plate is prepared by mixing 8.2 parts by weight of hand feeling gloss oil with 1 part by weight of matte powder and 0.8 part by weight of wood thorn powder.
And manufacturing a temperature change layer on the lower surface of the optical film layer. The manufacturing method of the temperature change layer comprises the following steps:
the first version of the temperature-variable coating is printed on the lower surface of the optical film layer by using an 80-line wood grain effect plate intaglio plate, then the coating is subjected to infrared curing, then a second version of the temperature-variable coating is printed on the temperature-variable layer formed by the infrared curing by using a 50-line full intaglio plate, and then the post-printed coating is also subjected to infrared curing. The first plate temperature change coating is 25 ℃ temperature change powder which is prepared by mixing 7 parts by weight of 2500 parts by weight of gloss oil. The second plate temperature change coating is 25 ℃ temperature change powder which is prepared by mixing 7 parts by weight of 2500 parts by weight of gloss oil. The temperature-change powder for the temperature-change layer in the embodiment is a microcapsule with an average diameter of 4-7 micrometers and filled with liquid crystal ink. Such a thermochromic powder is redder in color with an increase in temperature, and it appears dark black at around 25 ℃ and reddish brown at around 30 ℃. The scheme has the unique characteristics that: after the temperature change effect of the first temperature change coating is superposed with the temperature change effect of the second temperature change coating, the effect of changing from dark black to dark green to red brown can be generated along with the rise of the temperature, and the color change is very unique.
And manufacturing a color ink layer on the lower surface of the temperature change layer. The manufacturing method of the color ink layer comprises the following steps:
photographing a real object, correcting a drawing, carrying out computer color separation, manufacturing a gravure roller and carrying out online color mixing. The color ink layer is the main source of colors and patterns of the wood-like decorative film.
And manufacturing a dynamic magnetic pigment layer on the lower surface of the color ink layer. The dynamic magnetic pigment layer mainly provides color and luster pattern effects which can be dynamically changed, so that the wood grain effect has science and technology and variability.
And manufacturing an adhesive layer on the lower surface of the dynamic magnetic pigment layer. The adhesive layer functions to allow the wood-like decorative film to be durably adhered to an object. The adhesive layer uses high molecular material as special medium layer and uses special adhesive to directly adhere with the previous film layer. When the wood-like decorative film is used by a user, the wood-like decorative film is directly scalded on the target plate body at high temperature, and the wood-like decorative film is firmly adhered on the target plate body. The material of the target plate body can be metal or wood or plastic, etc.
The wood-like decorative film prepared by the method has vivid wood-like texture and appearance, has the functions of expelling insects and fragrance, and can show the color phase from ebony to red ebony along with the change of temperature.
Example 4
This example is a production method of the wood-like decorative film of example 2. The front surface of the wood-like decorative film is used as the upper part, the bottom surface of the wood-like decorative film is used as the lower part, the base film layer is a PET film layer, the texture functional layer is manufactured on the upper surface of the base film layer, the visual effect layer is manufactured on the lower surface of the base film layer, and the adhesive layer is manufactured on the lower surface of the visual effect layer.
The present embodiment is different from embodiment 3 in that: the texture functional layer structure, the manufacturing method of the optical film layer and the lack of the dynamic magnetic pigment layer.
When the texture functional layer is manufactured, the hard functional coating and the soft functional coating are prepared in advance. And coating the soft functional coating on the base film layer in an incomplete covering manner, curing the soft functional coating to form a soft functional part, coating the hard functional coating on the uncovered part of the base film layer, and curing the hard functional coating to form a hard functional part. The hard functional portion and the soft functional portion are then exposed to the front surface of the film at the same time.
The hard functional coating and the soft functional coating were prepared as described in example 3.
And manufacturing a visual effect layer on the lower surface of the base film layer. The visual effect layer of this embodiment is in proper order from top to bottom: optical film layer, temperature change layer, printing color ink layer.
The manufacturing method of the optical film layer comprises the following steps:
the first printed coating was printed on the lower surface of the base film layer using a 70-line full-plate gravure, then the coating was compression-molded using a mirror-surface compression molding roller, and then UV-cured, and then the second printed coating was printed on the layer formed by UV-curing using a 50-line full-plate gravure, and then the subsequently printed coating was compression-molded using a wood grain compression molding roller, and then UV-cured. The first printing coating is formed by mixing 9 parts by weight of mould pressing gloss oil with 1 part by weight of matte powder. The second printing plate is prepared by mixing 8.2 parts by weight of hand feeling gloss oil with 1 part by weight of matte powder and 0.8 part by weight of wood thorn powder.
And manufacturing a temperature change layer on the lower surface of the optical film layer. The temperature change layer was fabricated as described in example 3.
And manufacturing a color ink layer on the lower surface of the temperature change layer. The method of making the color ink layer is as described in example 3.
And manufacturing an adhesive layer on the lower surface of the color ink layer. The material and structure of the adhesive layer were as described in example 3.
The wood-like decorative film prepared by the method also has vivid wood-like texture and appearance, has the functions of expelling insects and fragrance, and can show the color phase from ebony to red ebony along with the change of temperature.
The description is only a preferred embodiment of the invention, and all technical equivalents which come within the spirit and scope of the invention are intended to be protected.
Claims (9)
1. The utility model provides a multi-functional and imitative wooden decorating film of environmental protection which characterized by: the front of imitative wooden decorative film is last, and the bottom surface of imitative wooden decorative film is down, includes in proper order from top to bottom: a texture functional layer, a base film layer, a visual effect layer and an adhesive layer; the texture functional layer is divided into a hard functional part and a soft functional part; the hard functional part and the soft functional part are simultaneously exposed on the front surface of the wood-like decorative film; the soft functional part contains soft particles and microcapsules; the soft particles play a role in soft hand feeling in application; the hard functional part contains hard particles and microcapsules, and the hard particles play a hard hand feeling role in application; functional substances are filled in the microcapsules of the soft functional part and the microcapsules of the hard functional part; the hardness of the hard functional part is 2H-3H; the hardness of the soft functional part is 1.5H-2H; the hardness of the hard functional portion is higher than that of the soft functional portion.
2. The multifunctional and environment-friendly wood-like decorative film as claimed in claim 1, wherein: the soft functional part covers the base film layer completely, and the hard functional part is positioned on the soft functional part and does not cover the soft functional part completely.
3. The multifunctional and environment-friendly wood-like decorative film as claimed in claim 1, wherein: one part of the base film is covered with a soft functional portion, and the other part is covered with a hard functional portion.
4. The multifunctional and environment-friendly wood-like decorative film as claimed in claim 1, wherein: the microcapsule contained in the hard functional part is one or more of a microcapsule filled with insect repellent materials, a microcapsule filled with perfume, a microcapsule filled with anion powder, a microcapsule filled with antibacterial materials, or a microcapsule filled with far infrared ion powder; the microcapsule contained in the soft functional part is one or more of a microcapsule filled with insect repellent materials, a microcapsule filled with perfume, a microcapsule filled with anion powder, a microcapsule filled with antibacterial materials, or a microcapsule filled with far infrared ion powder.
5. The multifunctional and environment-friendly wood-like decorative film as claimed in claim 1, wherein: the visual effect layer comprises one or more of an optical film layer, a temperature change layer, a color ink layer and a dynamic magnetic pigment layer.
6. A method for producing the multifunctional and environment-friendly wood-like decorative film of claim 1, wherein the front surface of the wood-like decorative film is taken as the upper part, and the bottom surface of the wood-like decorative film is taken as the lower part, and the method is characterized in that: manufacturing a texture functional layer on the upper surface of the base film layer, manufacturing a visual effect layer on the lower surface of the base film layer, and manufacturing an adhesive layer on the lower surface of the visual effect layer; when the texture functional layer is manufactured, a hard functional coating and a soft functional coating are prepared in advance; firstly, completely coating the soft functional coating on the base film layer, curing the soft functional coating, enabling the cured soft functional coating to become a soft functional part, then coating the hard functional coating on the soft functional part and incompletely covering the soft functional part, and then curing the hard functional coating, wherein the cured hard functional coating becomes a hard functional part; the hard functional portion and the soft functional portion are exposed to the front surface of the wood-like decorative film at the same time.
7. The method for producing a multifunctional and environmentally friendly wood-like decorative film according to claim 6, wherein: the hard functional coating is prepared by the following steps: the feed comprises the following raw materials in parts by weight: 30-40 parts of hydroxyl acrylic resin; 3.0-4.5 parts of a curing agent; 5-15 parts of microcapsules filled with functional substances; 5-15 parts of hard particles; 1-3 parts of an ultraviolet absorber; 1-2 parts of hindered amine stabilizer; 25-35 parts of ethyl acetate;
or the scheme II: the feed comprises the following raw materials in parts by weight: 35-45 parts of fluorocarbon resin; 3.0-4.5 parts of a curing agent; 5-15 parts of microcapsules filled with functional substances; 5-15 parts of hard particles; 1-3 parts of an ultraviolet absorber; 1-2 parts of hindered amine stabilizer; ethyl acetate: 25-35 parts.
8. The method for producing a multifunctional and environmentally friendly wood-like decorative film according to claim 6, wherein: the soft functional coating is prepared by the following steps: the feed comprises the following raw materials in parts by weight: 35-45 parts of PU resin; 3.0-4.5 parts of a curing agent; 5-15 parts of microcapsules filled with functional substances; 5-15 parts of soft particles; 1-3 parts of an ultraviolet absorber; 1-2 parts of hindered amine stabilizer; 25-35 parts of ethyl acetate;
or the scheme II: the feed comprises the following raw materials in parts by weight: 35-45 parts of fluorocarbon resin; 3.0-4.5 parts of a curing agent; 5-15 parts of microcapsules filled with functional substances; 5-15 parts of soft particles; 1-3 parts of an ultraviolet absorber; 1-2 parts of hindered amine stabilizer; 25-35 parts of ethyl acetate.
9. A method for producing the multifunctional and environment-friendly wood-like decorative film of claim 1, wherein the front surface of the wood-like decorative film is taken as the upper part, and the bottom surface of the wood-like decorative film is taken as the lower part, and the method is characterized in that: manufacturing a texture functional layer on the upper surface of the base film layer, manufacturing a visual effect layer on the lower surface of the base film layer, and manufacturing an adhesive layer on the lower surface of the visual effect layer; when the texture functional layer is manufactured, a hard functional coating and a soft functional coating are prepared in advance; coating a soft functional coating or a hard functional coating on a base film layer in an incomplete covering manner, curing the functional coating coated firstly, wherein the cured functional coating becomes a soft functional part or a hard functional part correspondingly, then coating the other remaining functional coating on the uncovered part of the base film layer, and curing the functional coating coated later, wherein the cured functional coating becomes the soft functional part or the hard functional part correspondingly; the hard functional portion and the soft functional portion are exposed to the front surface of the wood-like decorative film at the same time.
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| CN109572179A (en) * | 2019-01-24 | 2019-04-05 | 吾优新材料科技(江苏)有限公司 | A kind of imitative wood grain is floating to print technique and device |
| CN111286806B (en) * | 2020-03-31 | 2021-01-05 | 珠海市藤栢医药有限公司 | Anion health-care functional fiber and preparation method thereof |
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