CN215970765U - Compatible ink-jet printing gray base film - Google Patents
Compatible ink-jet printing gray base film Download PDFInfo
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- CN215970765U CN215970765U CN202121851850.4U CN202121851850U CN215970765U CN 215970765 U CN215970765 U CN 215970765U CN 202121851850 U CN202121851850 U CN 202121851850U CN 215970765 U CN215970765 U CN 215970765U
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Abstract
The utility model provides a gray-bottom film compatible with ink-jet printing, which comprises a base material (3), wherein a front-side primer layer (2) and a compatible ink-absorbing coating (1) are sequentially arranged on the front side of the base material (3) from inside to outside, and a back-side primer layer (4) and a gray-bottom flexible shading coating (5) are sequentially arranged on the back side of the base material (3) from inside to outside. The utility model has simple and practical structure, good compatibility and good shading performance.
Description
Technical Field
The utility model relates to the technical field of printing, in particular to a gray background film compatible with ink-jet printing.
Background
The computer digital ink-jet printing technology was invented by the Hewlett packard company in the United states since the beginning of the nineties, and a new age of graphic digitalization is developed from this time, and a revolution is firstly made in the field of advertisement. In the initial stage of the development of the ink-jet printing technology, the material and the type of printing ink of printing consumables are single, mainly aqueous ink-jet printing photographic paper is used as a main material, and the printing consumables gradually develop into various types of base materials such as special paper, PVC films, PP synthetic paper, PET films and the like. Meanwhile, the ink-jet printing technology in recent 20 years is developing towards the trends of high precision, high speed, multipurpose printing and the like, and the printing ink is also developed into a plurality of environment-friendly printing inks such as weak solvent ink, violet curing printing ink, latex printing ink and the like from the original water-based ink and strong solvent ink. Aiming at different substrates, different printing inks and different application occasions, printing consumable manufacturers are continuously new to satisfy the individual requirements of customers, and novel ink-jet printing consumables are vigorously developed.
With the development of technology, the digital printing ink-jet printing film is a new type of image film which is developed faster in recent years. The film is printed in the inkjet has convenient to use, waterproof, stand wear and tear, resistant scraping, prints a great deal of advantages such as the image is clear simultaneously, image storage stability is good, and is applied to trades such as indoor outer advertisement, exhibition frame in a large number, prints the film multi-purpose on easy-to-draw precious bill-board for example in the inkjet, and easy-to-draw precious placing in market shop, above prints product advertisement picture and text, and easy-to-draw precious function is that there is the function of rolling: when the film is not used, the actuating mechanism is opened, the film is automatically coiled in a round barrel under the action of the spring, the actuating mechanism is opened when the film is used, the film is pulled and fixed by hands and is erected on the ground, and the existing ink-jet printing film for the roll screen has the following problems:
(1) due to the limitation of coating technology, the ink can not be applied to various ink occasions;
(2) on the other hand, the existing base materials are mostly transparent or white PVC films, PP synthetic paper, PET films and the like, the shading effect is generally poor, and the existing base materials can be used for indoor and outdoor advertisements, exhibition stands and the like only by compounding the existing base materials with adhesives and materials with strong shading degree such as a foamed KT plate, a PC plate, a PET aluminizer and the like, but the existing base materials are generally high in thickness and high in cost and cannot be curled or bent after being compounded;
(3) the foaming of the adhesive and other problems easily occur after long-time outdoor use. Therefore, there is a need in the market for a high opacity, thin, non-compound, low cost inkjet print film to replace existing products.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gray bottom glue film compatible with ink-jet printing, which adopts a gray bottom shading coating to replace the original composite process, meets the requirement of high shading degree, greatly reduces the overall thickness of materials, reduces the material cost, and avoids the problems of no curling, no bending resistance, foaming of composite adhesives and the like.
In order to achieve the technical purpose and achieve the technical requirements, the utility model adopts the technical scheme that: the front surface of the base material is sequentially provided with a front surface primer layer and a compatible ink absorption coating from inside to outside, the back surface of the base material is sequentially provided with a back surface primer layer and a gray surface flexible shading coating from inside to outside, and the compatible ink absorption coating is formed by compounding polyvinyl chloride emulsion and acrylic emulsion and is added with silicon dioxide powder, a leveling agent and an antifoaming agent.
As a preferred technical scheme: the wet base coating weight of the gray bottom flexible shading coating is 10-20 g/square meter, and the dry base thickness of the coating is 0.005-0.01 mm.
As a preferred technical scheme: the base material is a PET film or PP synthetic paper, and the thickness of the base material is 0.1-0.188 mm.
As a preferred technical scheme: the coating compatible with the ink absorption coating has the coating weight of 70-80g per square meter on a wet basis and the thickness of 0.025-0.030mm on a dry basis.
As a preferred technical scheme: the dry-base coating weight of the front surface primer layer and the back surface primer layer is 0.05-0.5g per square meter, and the front surface primer layer and the back surface primer layer both adopt an adhesion promoter.
As a preferred technical scheme: the adhesion promoter is chlorinated polypropylene or two-component waterborne polyurethane.
As a preferred technical scheme: the color of the gray-bottom flexible shading coating is RAL7045/RAL7046 according to German Lauer color card.
The utility model has the beneficial effects that: the utility model provides a compatible ink jet printing grey base film, compares with traditional structure:
1) the compatible ink absorption coating is formed by compounding polyvinyl chloride emulsion and acrylic emulsion, is added with silicon dioxide powder, a leveling agent and a defoaming agent, and can be compatible with solvent ink, weak solvent ink, violet curing ink, latex ink and the like; the printing precision reaches 2880 multiplied by 2880dpi, the ink absorption speed of the coating is high, and the ink-jet printing ink can adapt to high-speed printing; the gray flexible shading coating can improve the shading performance of the film and can be curled, and further preferably, the coating compatible with the ink absorption coating has the wet basis coating weight of 70-80 g/square meter and the dry basis thickness of 0.025-0.030 mm;
2) preferably, the dry-based coating weight of the front surface primer layer and the back surface primer layer is 0.05-0.5g per square meter, and the front surface primer layer and the back surface primer layer both adopt adhesion promoters, so that the adhesion is good, and the firmness of the compatible ink-absorbing coating and gray flexible shading coating is improved;
3) preferably, the grey-base flexible opacifying coating is given a colour RAL7045/RAL7046 selected according to the german lauer colour chart, which further reduces the light transmission.
Drawings
FIG. 1 is a block diagram of the present invention.
In fig. 1, an ink-compatible coating, 2, a front primer layer, 3, a substrate, 4, a back primer layer, and 5, a gray-bottom flexible shading coating.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, it is only for convenience of description of the present invention, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a compatible ink-jet printing gray bottom film comprises a substrate 3, a front bottom coating layer 2 and a compatible ink-absorbing coating layer 1 are sequentially arranged on the front side of the substrate 3 from inside to outside, a back bottom coating layer 4 and a gray bottom flexible shading coating layer 5 are sequentially arranged on the back side of the substrate 3 from inside to outside, the compatible ink-absorbing coating layer 1 is formed by compounding polyvinyl chloride emulsion and acrylic emulsion and is added with silicon dioxide powder, a leveling agent and a defoaming agent, the polyvinyl chloride emulsion and the acrylic emulsion can be compatible with various types of ink, such as solvent ink, weak solvent ink, ultraviolet curing ink, latex ink and the like, the gray bottom flexible shading coating layer 5 can improve the shading performance and reduce the light transmittance of the film, the gray bottom flexible shading coating layer 5 can be curled and bent, and further, the gray bottom flexible shading coating layer 5 is formed by compounding aqueous polyurethane and aqueous epoxy resin emulsion, titanium dioxide, black paste, polyethylene wax emulsion, a leveling agent, a defoaming agent and a crosslinking agent are added, the wet base coating weight of the flexible shading coating 5 on the ash bottom is 10-20 g/square meter, the dry base thickness of the coating is 0.005-0.01mm, the shading degree can be further improved by the titanium dioxide, the waterborne polyurethane and the waterborne epoxy resin emulsion are compounded, the film forming property and flexibility of the flexible shading coating 5 on the ash bottom are ensured, the curling and bending resistant requirements are met, the thickness is far smaller than that of a traditional foamed KT plate, a PC plate and a PET aluminized film for shading, the paint is more light and convenient, the paint cannot be over-hard and is easy to curl and bend, meanwhile, the crosslinking agent for the paint is added, the weather resistance, the water resistance, the wear resistance and the like of the flexible shading coating 5 on the ash bottom are improved, and the outdoor use requirements of the film are met.
As shown in figure 1, the coating compatible with the ink absorption coating 1 has the coating weight of 70-80g per square meter on a wet basis, the dry basis thickness of the coating is 0.025-0.030mm, and the thickness is small, so that the curling and bending of a film can not be influenced.
As shown in fig. 1, the dry basis coating weight of the front surface primer layer 2 and the back surface primer layer 4 is 0.05-0.5 g/square meter, the front surface primer layer 2 and the back surface primer layer 4 both adopt adhesion promoters, further, the adhesion promoters are chlorinated polypropylene or two-component waterborne polyurethane, the chlorinated polypropylene is one of main film adhesives and is suitable for PET films, PP synthetic paper and the like, the two-component waterborne polyurethane has good coating performance and proper viscosity, the performance of the film can be ensured to be not influenced while the viscosity requirement is met, and the two adhesion promoters do not foam.
As shown in fig. 1, the gray-based flexible light-screening coating 5 was further reduced in light transmittance by selecting RAL7045/RAL7046 according to the german lael color chart, which in practice is less than 5% in each example, and the glossy color performance criteria was RAL 841-GL.
As shown in fig. 1, the film of the present invention has a thickness of less than 0.220 mm.
Example 1
A compatible ink-jet printing gray bottom film comprises a compatible ink-absorbing coating 1, a front primer layer 2, a base material 3, a back primer layer 4 and a gray bottom flexible shading coating 5 which are sequentially arranged;
the substrate 3 is a white PET film produced by new material GmbH, Nanjing Lanbu, with the thickness of 0.175mm and the type of BF01, the light transmittance of 30-38%, high stiffness, high temperature resistance, difficult deformation and good chemical stability;
the compatible ink absorption coating 1 is formed by compounding polyvinyl chloride emulsion and acrylic emulsion, wherein silicon dioxide powder, a flatting agent and a defoaming agent are added; the coating has a wet basis coating weight of about 75 g/square meter and a dry basis thickness of 0.028 mm;
the grey flexible shading coating 5 is formed by compounding aqueous polyurethane and aqueous epoxy resin emulsion, wherein titanium dioxide, black paste, polyethylene wax emulsion, a leveling agent, a defoaming agent and a crosslinking agent are added; the coating has the coating weight of 10g per square meter on a wet basis, the thickness of a coating on a dry basis is 0.007mm, and the integral light transmittance of the ink-jet printing compatible gray bottom film is less than 5 percent;
the color standard of the gray-based flexible light-screening coating 5 was selected as RAL7045 according to RAL-K5 color chip and the glossy color execution standard was RAL 841-GL.
The front surface primer layer 2 and the back surface primer layer 4 are the same adhesion promoters, the adhesion promoters are two-component waterborne polyurethane, the dry-based coating weight is 0.1 g/square meter, and the specific parameters are shown in table 1.
Table 1 parameters of example 1
Example 2
A compatible ink-jet printing gray bottom film comprises a compatible ink-absorbing coating 1, a front primer layer 2, a base material 3, a back primer layer 4 and a gray bottom flexible shading coating 5 which are sequentially arranged;
the base material 3 is made of PP synthetic paper produced by Taiwan south Asia plastic Limited company, the thickness is 0.168mm, the model is PT-168, the light transmittance is 45-50%, the stiffness is high, the high temperature resistance is realized, the deformation is not easy, and the chemical stability is good;
the compatible ink absorption coating 1 is formed by compounding polyvinyl chloride emulsion and acrylic emulsion, and silicon dioxide powder, a flatting agent and a defoaming agent are added; the coating has a wet basis coating weight of 70 g/square meter and a dry basis thickness of 0.026 mm.
The grey flexible shading coating 5 is formed by compounding aqueous polyurethane and aqueous epoxy resin emulsion, and titanium dioxide, black paste, polyethylene wax emulsion, a leveling agent, a defoaming agent and a crosslinking agent are added; the coating has a wet basis coating weight of 15 g/square meter, a dry basis thickness of 0.01mm and an integral light transmittance of less than 5 percent, and is compatible with an ink-jet printing gray bottom film;
the color standard of the gray flexible shading coating 5 is RAL7046 according to RAL-K5 color card, and the lustrous color execution standard is RAL 841-GL;
the front surface primer layer 2 and the back surface primer layer 4 adopt the same adhesion promoter, the adhesion promoter adopts chlorinated polypropylene produced by Taiwan moded enterprise, Co., Ltd, the type is PPB, the dry-based coating weight is 0.3 g/square meter, and the specific test parameters are shown in table 2.
Table 2 parameters of example 2
The foregoing examples are given solely for the purpose of illustrating the utility model and are not to be construed as limiting the embodiments, and other variations and modifications in form thereof will be suggested to those skilled in the art upon reading the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments and all such obvious variations and modifications are deemed to be within the scope of the utility model.
Claims (7)
1. The utility model provides a compatible ink jet printing grey end film, includes substrate (3), the front of substrate (3) is by interior and outer setting gradually front primer layer (2) and compatible blotting coating (1), its characterized in that: the back surface of the base material (3) is sequentially provided with a back surface primer layer (4) and a gray bottom flexible shading coating (5) from inside to outside.
2. The inkjet-compatible gray-backed film of claim 1, wherein: the wet basis coating weight of the flexible gray bottom shading coating (5) is 10-20 g/square meter, and the dry basis thickness of the coating is 0.005-0.01 mm.
3. The inkjet-compatible gray-backed film of claim 1, wherein: the base material (3) is a PET film or PP synthetic paper, and the thickness of the base material (3) is 0.1-0.188 mm.
4. The inkjet-compatible gray-backed film of claim 1, wherein: the coating compatible with the ink absorption coating (1) has the coating weight of 70-80g per square meter on a wet basis and the thickness of the coating on a dry basis of 0.025-0.030 mm.
5. The inkjet-compatible gray-backed film of claim 1, wherein: the dry-base coating weight of the front surface primer layer (2) and the back surface primer layer (4) is 0.05-0.5g per square meter, and the front surface primer layer (2) and the back surface primer layer (4) both adopt adhesion promoters.
6. The inkjet-compatible gray-backed film of claim 5, wherein: the adhesion promoter is chlorinated polypropylene or two-component waterborne polyurethane.
7. The inkjet-compatible gray-backed film of any one of claims 1-6, wherein: the color of the grey bottom flexible shading coating (5) is selected from RAL7045/RAL7046 according to German Lauer color card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121851850.4U CN215970765U (en) | 2021-08-06 | 2021-08-06 | Compatible ink-jet printing gray base film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121851850.4U CN215970765U (en) | 2021-08-06 | 2021-08-06 | Compatible ink-jet printing gray base film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117382282A (en) * | 2023-09-28 | 2024-01-12 | 江苏耐斯数码科技股份有限公司 | Composite substrate, compatible ink-jet printing PP film and application thereof |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117382282A (en) * | 2023-09-28 | 2024-01-12 | 江苏耐斯数码科技股份有限公司 | Composite substrate, compatible ink-jet printing PP film and application thereof |
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