CN111267535A - Preparation method of novel packaging material with frosted effect - Google Patents
Preparation method of novel packaging material with frosted effect Download PDFInfo
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- CN111267535A CN111267535A CN202010067230.5A CN202010067230A CN111267535A CN 111267535 A CN111267535 A CN 111267535A CN 202010067230 A CN202010067230 A CN 202010067230A CN 111267535 A CN111267535 A CN 111267535A
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- effect
- frosted
- packaging material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/24—Pressing or stamping ornamental designs on surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
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Abstract
The invention discloses a preparation method of a novel frosted packaging material, which is characterized in that a frosted effect pattern is designed, an optical effect is selected according to the effect pattern, the optical effect is quantized, the optical effect is simulated to determine the frosted effect and an image unit, the image unit is assembled and then subjected to photoetching plate making, a master plate is prepared, and finally frosted information on the master plate is copied to a base material to obtain the packaging material with the novel frosted effect.
Description
Technical Field
The invention belongs to the technical field of packaging printing materials and decorative materials, and particularly relates to a preparation method of a novel packaging material with a frosted effect.
Background
The frosted effect is widely used on various high-grade packages due to the noble and beautiful bright crystal sand feeling, stability and reliability. The frosted effect of the existing material is mainly that a rugged structure is formed on the surface of a base material through different processing modes, light irradiates the surface to form diffuse reflection, and a foggy matte visual effect is presented, and the common processing modes mainly comprise printing, transferring, embossing, coating and the like.
1) The printing mode is to print the frosted ink on the printing stock by silk screen, gravure and other modes, and the frosted ink has frosted effect like sand blasting treatment because the filler surface can change and adsorb film forming matters to generate local aggregation in the ink curing process.
2) The transfer mode is to transfer the carrier with the frosted or matte information to a substrate by a coating or mould pressing mode. For example, patent CN 109397911 a discloses a printing method of a film pressing and frosting process, which is characterized in that after plate making, film making, coating, film pressing and drying, the plate surface image and text are transferred to the printing product.
3) Embossing is the transfer of a frosted or matte effect from a roll to a substrate under pressure. For example, patent CN107672282A ground cardboard is characterized in that a transfer aluminum plating process is used to prepare a transfer cardboard, and then a ground mesh roller is used to emboss the transfer cardboard, wherein the ground mesh roller is a steel roller with a ground roller surface.
4) The coating mode is that the coating is directly coated on the substrate. For example, patent 201010298807.X, 201010298836.6 discloses a vacuum aluminizing frosted cardboard and a production method thereof, wherein frosted paint is prepared by adding frosted particles into paint, the frosted particles are uniformly distributed in the paint layer after coating and film forming, and the matte frosting effect is realized through the diffuse reflection effect of the particles.
Although the frosted or matte effect layer obtained by the invention has rich and various apparent effects, the frosted or matte effect layer has the problems of dull and dull visual appearance, weak metal texture, weak visual impact effect, low brightness and glossiness and the like due to uneven surface of the frosted or matte effect layer.
Disclosure of Invention
The invention aims to provide a preparation method of a novel frosted effect packaging material, and solves the problems that the surface of a frosted or matte effect layer of the existing frosted material in the background technology is uneven, dim and dull in vision, weak in metal texture, weak in visual impact effect, low in brightness and glossiness and the like.
The specific technical scheme is as follows:
a preparation method of a novel frosted packaging material comprises the following process flows: designing a frosted effect pattern, selecting an optical effect according to the effect pattern, carrying out quantization processing on the optical effect, simulating the optical effect to determine the frosted effect and an image unit, then carrying out photoetching plate making after splicing the image unit, preparing a master plate, and finally copying frosted information on the master plate to a base material to obtain the packaging material containing the novel frosted effect.
Preferably, the specific process steps are as follows:
sanding effect design: designing the required sanding effect;
selecting an optical effect: selecting a corresponding optical effect expression form according to the designed frosted effect;
optical effect quantification: quantifying parameters of the optical effect according to the frosting effect;
simulation of optical effect: simulating a frosting effect on the quantized optical effect, adjusting quantization parameters according to the frosting effect, and finally determining an image unit;
photoetching: photoetching the whole image by adopting photoetching equipment;
makeup: adopting a makeup technology to make the photoetching makeup group and enlarge to prepare a master plate;
transferring: and copying the frosted information on the master plate to the base material by a transfer technology to obtain the packaging material with the novel frosted effect.
Preferably, in the frosted effect design process, the frosted effect is a full-plate single effect or a local frosted combined effect.
Preferably, in the optical effect selection process, the optical effect comprises a lens, a grating, a silver sand, a relief, a hologram, a true color, an anti-counterfeiting character, a point source online, a structural color and a dynamic state, the selected optical effect comprises one or more of the lens, the grating and the silver sand, and the selected optical effect is one or a combination of two or more of the lens, the grating and the silver sand; wherein, the layout of the two or more combined optical effects is regularly arranged or randomly arranged.
Preferably, in the optical effect quantification process, the parameters are gray scale, angle and depth.
Preferably, the gray value parameter range is 45-200, the angle parameter range is 0-180 degrees, and the depth value parameter range is 0.2-5.0 μm.
Preferably, in the photolithography process, the adopted spot structure is a circular structure, the spot size is 0.25-0.9 μm, the step pitch is 200-400nm, and the photolithography speed is 200-400 mm/s.
Has the advantages that:
1. compared with the prior art, the series of novel frosted packing materials are prepared by combining a digital technology, a photoetching technology, a makeup technology and a transfer technology, all links are closely connected and matched with each other, so that the prepared materials have strong metal texture, strong stereoscopic impression, large visual impact and high anti-counterfeiting performance.
2. The frosted effect of the invention has the advantages of rich variety, random variation and convenient adjustment, and can realize beautiful and unique packaging effect by combining with advanced design concept.
3. The preparation method of the invention not only enables the product to have visual impressions of frosting and gravel, but also can endow the product with other optical effects, and has rich optical effects and high selectivity.
4. The preparation method of the invention can ensure that the product has high surface smoothness and good surface modification performance, and solves the technical problem of poor re-modification performance of the existing frosted product caused by uneven surface.
Description of the drawings:
FIG. 1 is a diagram showing a rainbow frosting effect of example 1;
FIG. 2 is a diagram showing the structure of a grating in example 1;
FIG. 3 is a high-brightness sanding effect diagram of example 2;
FIG. 4 is a structure diagram of a grating in example 2.
The specific implementation mode is as follows:
the invention is described in detail below with reference to the drawings and examples.
The invention provides a preparation method of a novel frosted packaging material, which comprises the following process flows of: designing a frosted effect pattern, selecting an optical effect according to the effect pattern, carrying out quantization processing on the optical effect, simulating the optical effect to determine the frosted effect and an image unit, then carrying out photoetching plate making after splicing the image unit, preparing a master plate, and finally copying frosted information on the master plate to a base material to obtain the packaging material containing the novel frosted effect.
The specific process steps are as follows: sanding effect design: designing the required frosting effect by adopting image-text processing software; selecting an optical effect: selecting a corresponding optical effect expression form according to the designed frosted effect; optical effect quantification: according to the frosting effect, parameters such as gray scale, angle, depth and the like of the optical effect are quantized; simulation of optical effect: simulating the frosting effect of the quantized optical effect by adopting corresponding software, adjusting quantization parameters according to the frosting effect, and finally determining an image unit; photoetching: photoetching the whole image by adopting photoetching equipment; makeup: adopting a makeup technology to make the photoetching makeup group and enlarge to prepare a master plate; transferring: and copying the frosted information on the master plate to the base material by a transfer technology to obtain the packaging material with the novel frosted effect.
Furthermore, the process can be optimized, and the specific process steps are as follows:
the required sanding effect is designed by adopting image-text processing software, and the sanding effect can be a full-page single effect or a local sanding combined effect.
And selecting a corresponding optical effect expression form according to the designed frosted effect. The optical effects comprise lenses, gratings, silver sand, embossments, holographies, true colors, anti-counterfeiting characters, point source online, structural colors, dynamics and the like, the selected optical effects at least comprise one or more of the lenses, the gratings and the silver sand, the selected optical effects can be one single type or two or more types of combinations, and the layouts of the two or more types of optical effects can be regularly arranged or randomly arranged.
According to the frosting effect, parameters such as gray scale, angle, depth and the like of the optical effect are quantized. The gray value parameter range is 45-200 degrees, the angle value parameter range is 0-180 degrees, and the depth value parameter range is 0.2-5.0 mu m.
And simulating the frosting effect of the quantized optical effect by adopting corresponding software, adjusting quantization parameters according to the frosting effect, and finally determining an image unit.
And photoetching the whole image by using a photoetching device. Such lithographic processes are well known to those skilled in the art, and preferred lithographic parameters are: the spot structure is a circular structure, the spot size is 0.25-0.9 μm, the step pitch is 200-.
And (4) adopting a makeup technology to make the photoetching plate into a set and enlarge to prepare the master plate. The described imposition process is well known to those skilled in the art, and preferred imposition parameters are: the positioning precision is 0.01mm, the plate seam precision is 0.05mm, the maximum plate making unit is 300 x 400mm, and the plate making size is 1000 x 1200 mm.
And copying the frosted information on the master plate to the base material by a transfer technology to obtain the packaging material with the novel frosted effect. The transfer technology is well known to those skilled in the art, and the preferred transfer technology comprises the steps of transferring the frosted effect of the master plate to a nickel plate by adopting an electroforming technology, transferring the frosted effect on the nickel plate to a film by adopting a mould pressing technology, and transferring the frosted effect on the film to a base material by adopting a composite technology, so as to finally obtain the packaging material containing the novel frosted effect.
Example 1
The method comprises the following steps: design of
A rainbow frosting effect is designed by adopting image-text processing software, as shown in figure 1, the frosting effect is a full-page effect, partial silver-white bright spots exist, three-dimensional small particles are perceived in the visual effect under the condition of no particularly bright light, and random silver white spots can be seen. When under bright light conditions, random flickering dots of rainbow light can be observed in addition to the silver white frosting effect. Has rainbow frosting effect.
Step two: optical effect selection
And selecting two optical effects of a lens and a grating according to the designed frosted effect.
Step three: optical effect quantification
According to dull polish effect, two kinds of optical effects of quantization lens and grating, lens are non-circular structure fresnel structure, and the grating is platinum light column, lens and grating parameter: the gray value range is 45-200 degrees, the angle value range is 0-180 degrees, and the depth value range is 0.2-5.0 mu m.
Step four: optical effect simulation
And (3) simulating the frosted effect of the quantized optical effect by adopting corresponding software (see table 1), adjusting quantization parameters according to the frosted effect, and finally determining an image unit.
TABLE 1 optical effects simulation procedure
Step five: lithography
And photoetching the whole image by adopting photoetching equipment, wherein a grating structure chart is shown in figure 2, and photoetching parameters are as follows: the spot size was 0.259. mu.m, the step pitch was 200nm, and the lithography speed was 400 mm/s. Lines are etched 80 in each pixel unit.
As can be seen from the figure, the proportion of the platinum A light column grating is 70%, and the proportion of the Fresnel structure grating is 30%.
Step six: makeup board
And (4) adopting a makeup technology to make the photoetching plate into a set and enlarge to prepare the master plate. Imposition unit 50 × 60mm, imposition size 800 × 960 mm.
Step seven: transfer of
And copying the frosted information on the master plate to the base material by a transfer technology to obtain the packaging material with the novel frosted effect. Adopt the electroforming technique to shift the dull polish effect of mother plate to the nickel plate, adopt the mould pressing technique to shift the dull polish effect on the nickel plate to the film, adopt the combined technology to shift the dull polish effect on the film to the substrate, finally obtain the packaging material who contains novel dull polish effect.
Example 2:
the method comprises the following steps: design of
The image-text processing software is adopted to design a high-brightness frosting effect, as shown in figure 3, the frosting effect is a full-page effect, three-dimensional small particles are perceived in the visual effect under the condition of no particularly bright light, and under the condition of bright light, the crystal effect of the particles can be observed besides the three-dimensional frosting effect.
Step two: optical effect selection
And selecting three optical effects of a lens, a grating and silver sand according to the designed frosted effect.
Step three: optical effect quantification
According to the dull polish effect, three kinds of optical effects of quantization lens, grating and husky silver, lens are non-circular structure fresnel structure, and the grating is dynamic grating, and husky silver is the husky silver of developments, lens, grating and husky silver parameter: the gray value range is 45-200 degrees, the angle value range is 0-180 degrees, and the depth value range is 0.2-5.0 mu m.
Step four: optical effect simulation
And (3) simulating the frosted effect of the quantized optical effect by adopting corresponding software (see table 2), adjusting quantization parameters according to the frosted effect, and finally determining an image unit.
TABLE 2 optical effects simulation procedure
Step five: lithography
And (3) completing the whole image photoetching by adopting photoetching equipment, wherein a grating structure diagram is shown in FIG. 4, and photoetching parameters are as follows: the spot size was 0.259. mu.m, the step pitch was 200nm, and the lithography speed was 400 mm/s. The Fresnel structure is etched by 30%, the dynamic grating structure is etched by 40%, the sand silver structure is etched by 30%, and 80 lines are etched in each pixel unit.
Step six: makeup board
And (4) adopting a makeup technology to make the photoetching plate into a set and enlarge to prepare the master plate. Imposition unit 50 × 60mm, imposition size 800 × 960 mm.
Step seven: transfer of
And copying the frosted information on the master plate to the base material by a transfer technology to obtain the packaging material with the novel frosted effect. Adopt the electroforming technique to shift the dull polish effect of mother plate to the nickel plate, adopt the mould pressing technique to shift the dull polish effect on the nickel plate to the film, adopt the combined technology to shift the dull polish effect on the film to the substrate, finally obtain the packaging material who contains novel dull polish effect.
The protection scope of the present invention is not limited to the above embodiments, and all the preparation methods of the novel frosted packing material which are the same as or equivalent to the technical scheme of the present invention belong to the protection scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain a separate embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The preparation method of the novel frosted packaging material is characterized by comprising the following process flows of: designing a frosted effect pattern, selecting an optical effect according to the effect pattern, carrying out quantization processing on the optical effect, simulating the optical effect to determine the frosted effect and an image unit, then carrying out photoetching plate making after splicing the image unit, preparing a master plate, and finally copying frosted information on the master plate to a base material to obtain the packaging material containing the novel frosted effect.
2. The preparation method of the novel frosted packaging material with the effect as claimed in claim 1, wherein the specific process steps are as follows:
sanding effect design: designing the required sanding effect;
selecting an optical effect: selecting a corresponding optical effect expression form according to the designed frosted effect;
optical effect quantification: quantifying parameters of the optical effect according to the frosting effect;
simulation of optical effect: simulating a frosting effect on the quantized optical effect, adjusting quantization parameters according to the frosting effect, and finally determining an image unit;
photoetching: photoetching the whole image by adopting photoetching equipment;
makeup: adopting a makeup technology to make the photoetching makeup group and enlarge to prepare a master plate;
transferring: and copying the frosted information on the master plate to the base material by a transfer technology to obtain the packaging material with the novel frosted effect.
3. The method for preparing the novel frosted effect packaging material as claimed in claim 2, wherein: in the frosted effect design process, the frosted effect is a full-plate single effect or a local frosted combined effect.
4. The method for preparing the novel frosted effect packaging material as claimed in claim 2, wherein: in the optical effect selection process, the optical effect is one or the combination of two or more of lens, grating, sand silver, embossment, holography, true color, anti-counterfeiting character, point source online, structural color and dynamics; wherein, the layout of the two or more combined optical effects is regularly arranged or randomly arranged.
5. The method for preparing the novel frosted effect packaging material as claimed in claim 2, wherein: in the optical effect quantification process, the parameters are gray scale, angle and depth.
6. The method for preparing the novel frosted effect packaging material as claimed in claim 5, wherein: the gray value parameter range is 45-200 degrees, the angle value parameter range is 0-180 degrees, and the depth value parameter range is 0.2-5.0 mu m.
7. The method for preparing the novel frosted effect packaging material as claimed in claim 1, wherein: in the photoetching process, the adopted light spot structure is a circular structure, the light spot size is 0.25-0.9 μm, the stepping interval is 200-.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941926A (en) * | 2021-10-28 | 2022-01-18 | 杭州涂鸦信息技术有限公司 | Frosting method and device for light guide column and optical equipment |
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