WO2018133855A1

WO2018133855A1 - Paper-plastic packaging material having photon-sensitive ink layer, packaging container, and method for manufacturing same

Info

Publication number: WO2018133855A1
Application number: PCT/CN2018/073552
Authority: WO
Inventors: 吴林; 陈磊
Original assignee: 信码互通（北京）科技有限公司
Priority date: 2017-01-23
Filing date: 2018-01-20
Publication date: 2018-07-26

Abstract

Disclosed are a paper-plastic packaging material having a photon-sensitive ink layer, a packaging container made of the paper-plastic packaging material, and a method for manufacturing same. A photon-sensitive ink is coated on all or some localised areas of the outer surface of the paper-plastic packaging material, forming a photo-sensitive ink layer. The photon-sensitive ink layer is machined using a low power laser, such that some photon active material in the photon-sensitive ink layer changes in appearance and then forms a greyscale identifier, the surface of the greyscale identifier being smooth and having a greyscale difference from the surrounding area. In the process of manufacturing the identifier, since only a very low power laser is used to change the appearance of a photon active component in the photon-sensitive ink layer, without burning, etching or loosening the photon-sensitive ink, a packaging container made of this packaging material has a smooth aesthetic appearance and plays a very environmentally friendly role.

Description

Paper-plastic packaging material with photon-sensitive ink layer, packaging container and manufacturing method thereof

Technical field

The present invention relates to a paper-plastic packaging material having a photon-sensitive ink layer, and to a packaging container produced by the paper-plastic packaging material, and to a manufacturing method of the above packaging container.

Background technique

At present, the packaging containers for milk beverages on the market are mainly box-shaped packaging containers and pillow-shaped packaging containers made of paper-plastic packaging materials. The paper-plastic packaging material is a multi-layer composite material composed of high-quality long-fiber pulp, polyethylene and aluminum foil, in which the main component of the surface layer is polyethylene. The packaging container made of paper-plastic packaging material can package the milk beverage to achieve the effect of sealing and light-proof storage, thereby extending the shelf life. The packaging container made of the above paper-plastic packaging material can also be used for packaging other liquid beverages and seasonings.

In the outer surface of the packaging container made of paper-plastic packaging material, decoration, trademark, product information and the like are generally formed by printing or printing, and the manufacturing process is suitable for mass production of the same design. There is currently no economical and effective solution when it comes to customizing small-volume custom-made packaging containers with specific patterns.

In recent years, with the popularization of the application of two-dimensional codes, manufacturers have proposed a marketing scheme for setting a two-dimensional code on a packaging container of fast-moving consumer goods (including milk and beverages). For example, a two-dimensional code is set on the surface of packaging containers for various bottled, canned and boxed beverages, and consumers can participate in the manufacturer's point lottery and the like by scanning the two-dimensional code with the mobile phone. In order to ensure the legitimate interests of consumers and manufacturers, the setting of the two-dimensional code needs to be "one thing and one code", which brings certain difficulties to the manufacture of the two-dimensional code. The existing two-dimensional code is mainly manufactured by printing or laser engraving, and has high manufacturing cost and great influence on the environment.

Summary of the invention

The primary technical problem to be solved by the present invention is to provide a paper-plastic packaging material having a photon-sensitive ink layer.

Another technical problem to be solved by the present invention is to provide a packaging container made of the above-mentioned paper-plastic packaging material.

Still another technical problem to be solved by the present invention is to provide a method of manufacturing the above packaging container.

In order to achieve the above object, the present invention adopts the following technical solutions:

According to a first aspect of the present invention, there is provided a paper-plastic packaging material having a photon-sensitive ink layer coated with photon-sensitive ink in all or a partial region of an outer surface of the paper-plastic packaging material to form photons Sensitive ink layer.

Preferably, at least one gradation mark is formed in the photon-sensitive ink layer; the gradation mark is an image formed by a change in appearance of a part of the photon active material in the photon-sensitive ink layer, the gray scale The marking surface is smooth and has a grayscale difference from the surrounding area.

Preferably, the photon-sensitive ink layer is exposed and forms the gray scale mark, or the gray scale mark is formed in the photon-sensitive ink layer and the photon-sensitive ink layer is covered by the coating.

Preferably, the identification code in the grayscale identifier is any one or more of a two-dimensional code, a digital code, a letter, and a text.

Preferably, the information in the plurality of gray scale identifiers are different from each other and are associated with each other.

Preferably, the gray scale identifier is one or more of a decorative image, a trademark image or product information.

According to a second aspect of the embodiments of the present invention, there is provided a packaging container manufactured from a paper-plastic packaging material, an outer surface of the packaging container is formed with a gray scale marking, and the grayscale marking is applied to the paper plastic An image formed by a change in appearance of a portion of the photon active material in the photon-sensitive ink layer on the outer surface of the packaging material, the gray scale marking surface being smooth and having a gray scale difference from the surrounding area.

Preferably, the packaging container is a box-shaped packaging container.

Preferably, at least one of the grayscale marks is obscured by the folded portion of the box-shaped packaging container, and the grayscale mark that is occluded has a unique identity, and uniquely corresponds to a box-shaped packaging container.

Preferably, the grayscale identifier is a two-dimensional code, and an area of the two-dimensional code that is occluded occupies a total area of the two-dimensional code is greater than an error correction rate corresponding to an error correction level of the two-dimensional code. .

Preferably, the packaging container is a pillow-shaped packaging container.

Preferably, the information of the gray scale mark provided on the outer surface of the pillow-shaped packaging container is unique.

Preferably, the packaging container further comprises any one or more of a decorative image, a trademark image and product information formed by a change in appearance of a portion of the photon active component in the photon-sensitive ink layer.

According to a third aspect of the present invention, there is provided a method of manufacturing the above packaging container, comprising at least the steps of: coating a photon-sensitive ink on an outer surface of a paper-plastic packaging material to form a photo-sensitive ink layer, and irradiating the photon with a laser The sensitive ink layer is processed to cause a change in the appearance of a portion of the photonic active material in the photon-sensitive ink layer to form a gray scale mark.

Preferably, the method further comprises the step of applying a transparent coating or an opaque coating to the surface of the photon-sensitive ink layer.

Preferably, the method further comprises the following steps: after storing the liquid inside the packaging container and sealing the sealing, the photon-sensitive ink layer coated on the outer surface of the packaging container is processed by laser to form a gray scale mark.

The paper-plastic packaging material provided by the invention is coated with photon-sensitive ink in all or part of the outer surface of the paper-plastic packaging material to form a photon-sensitive ink layer. The photon-sensitive ink layer is processed by a low-power laser to form a gray scale mark after a partial change of the photonic active material in the photon-sensitive ink layer, and the gray scale mark surface is smooth and has a gray scale difference from the surrounding area. In the process of making the gray scale mark, the above-mentioned packaging container changes the appearance of the photon active component in the photon sensitive ink layer by using only a laser device of a very small power, and does not cause the photon sensitive ink to burn, etch or fall off, so that The packaging container made of paper-plastic packaging material has a smooth and beautiful appearance and can play a very good environmental protection role. In addition, by using a laser to process the photon-sensitive ink layer to form a unique grayscale mark, it can realize "one thing and one code", which can be used for anti-counterfeiting source and marketing activities, and can also be used for anti-smuggling goods inquiry.

DRAWINGS

1 is a schematic structural view of a paper-plastic packaging material provided by the present invention;

Figure 2 is a schematic cross-sectional view of the paper-plastic packaging material shown in Figure 1 taken along line A-A;

Figure 3 is a schematic structural view of a box-shaped packaging container manufactured from the paper-plastic packaging material shown in Figure 1;

Fig. 4 is a schematic view showing the structure of a pillow-shaped packaging container manufactured from the paper-plastic packaging material provided by the present invention.

detailed description

The technical content of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

The paper-plastic packaging material provided by the invention is mainly used for packaging containers for liquids such as milk drinks, liquid beverages and seasonings. For example, the paper-plastic packaging material can be made into a box-shaped packaging container as shown in Fig. 3 or a pillow-shaped packaging container as shown in Fig. 4. The shape of the packaging container can vary for different types of products. For example, fresh milk and yoghurt are stored in a box-shaped packaging container having a rectangular parallelepiped shape and a house shape, respectively.

As shown in FIG. 1, a plurality of gray scale marks including a two-dimensional code 11 and a two-dimensional code 12 are formed on an outer surface of the paper-plastic packaging material 100, and the two-

dimensional codes

11 and 12 may be a two-dimensional code of a web address, and a flood prevention code. The QR code of the goods can be queried, or it can be a two-dimensional code or anti-counterfeit two-dimensional code for traceability query. The gradation mark is an image formed by a change in appearance of a part of the photon active material applied to the photon-sensitive ink layer 101 on the outer surface of the paper-plastic wrapper 100, and the surface is smooth and has a gradation difference from the surrounding area. The gray scale identifier may be any one or more of a two-dimensional code, a character code, a letter, a number, and a text, and the corresponding information may be product information such as a production date, a production batch number or an expiration date, or other such as a website address, a promotion. Promotional information such as activities. A trademark image, a decorative image, or the like can also be formed in the photon-sensitive ink layer 101. The photon-sensitive ink layer is processed by laser, and the individual design of the product package can also be realized.

Specifically, FIG. 2 is an illustration of the structure of the paper-plastic packaging material 100 in the area where the two-dimensional code 11 is located in FIG. 1, and other grayscale markings (for example, two-dimensionally) provided on the paper-plastic packaging material 100. The specific structure of the code 12) is the same, and therefore the description will not be repeated. As shown in FIG. 2, a photon-sensitive ink layer 101 is formed by coating a photon-sensitive ink in a partial region of the outer surface of the paper-plastic wrapper 100. Of course, considering the replacement of the photon-sensitive ink and the development of the laser processing technology, the possibility that the photon-sensitive ink layer 101 is completely covered on the outer surface of the paper-plastic packaging material 100 and the overall pattern is processed using different process parameters is not excluded. An example in which the photon-sensitive ink layer 101 partially covers the outer surface of the paper-plastic wrapper 100 can be seen in FIG. 1. In FIG. 1, the outer surface of the paper-plastic wrapper 100 is formed with a partial region 10 covered with photon-sensitive ink, and is covered. A gray scale mark 11 is formed by laser processing in a partial region 10 having photon-sensitive ink. It should be noted that the partial region 10 covered with the photon-sensitive ink is illustrated by a frame boundary in FIG. 1 for the purpose of explaining the structure of the paper-plastic package 100 provided with the photon-sensitive ink layer 101, and does not indicate In the appearance of the actual product, the boundary of the partial region 10 exists in a form visible to the naked eye.

The photon-sensitive ink layer 101 disposed on the outer surface of the paper-plastic packaging material 100 may be directly exposed (as shown in FIG. 2), or the photo-sensitive ink layer 101 disposed on the outer surface of the paper-plastic packaging material 100 may also be transparent material (including Cover with clear coat or film). Since the photon active component in the photon-sensitive ink layer is highly sensitive to laser light, laser processing is not affected when the photon-sensitive ink layer is covered by a translucent transparent coating or film. Of course, in order to achieve the hiding of the gray scale mark, it is not excluded to cover the opaque coating above the corresponding position of the gray scale mark, for example, covering the existing scratch coat.

The photon-sensitive ink layer 101 disposed on the surface of the paper-plastic packaging material 100 is formed by coating a photon-sensitive ink containing a photo-active material on the outer surface of the paper-plastic packaging material 100. The photo-sensitive ink layer 101 may be entirely required according to product requirements. Or partially covering the outer surface of the paper-plastic packaging material 100. In Fig. 1, a photon-sensitive ink is applied to a small area of the outer surface of the paper-plastic packaging material 100. It will be appreciated that the photon-sensitive ink layer 101 may also cover all other locations of the paper-plastic package 100 in whole or in part. Since the photon-sensitive ink layer 101 contains a photonic active material that is sensitive to laser light, when the laser light strikes the photon-sensitive ink layer 101 including the photon active component, the photon active component thereof changes in a visually perceptible manner, thereby causing The photon-sensitive ink undergoes a change in appearance. Preferably, the change in appearance is a change in color, such as a change from a transparent or light color to an opaque or darker color. In other words, the gradation mark cited in the present application broadly includes various images formed by gradation changes to form a gradation difference or chromatic aberration with the original color, and does not limit the color of the formed logo image to Gray, in practice, other colors can be formed, such as black or color.

In the present invention, the appearance of the photon active material can be changed by using a laser having a lower power, so that the appearance of a part of the photon active material 102 in the photon-sensitive ink layer 101 is changed, and the surface is smooth but there is a difference in gray scale from the surrounding area. The image, and hardly burns, etches or flakes the photon-sensitive ink. For example, a CO ₂ infrared laser or a near infrared laser with a power of less than 10 W is used to produce a monochrome or color laser image. The above images broadly include decorations (such as logos, pictures or aesthetic markers) or information (such as text or two-dimensional codes). On the outer surface of the paper-plastic packaging material 100, a decorative image or a trademark image can also be formed by subjecting a part of the photonic active material in the photon-sensitive ink layer to a change in appearance, and the surface of the decorative image or the trademark image is smooth and has a grayscale difference from the surrounding area.

Compared with the existing process of printing or spraying an ordinary ink to produce an identification code, after using photon-sensitive ink, a laser with a low power can engrave a pattern with better effect, greatly reducing the cost, greatly increasing the engraving speed, and satisfying the online production. The high speed requirements are also very good for environmental protection. Moreover, the gradation mark can be processed and coded after the paper-plastic package is formed into a box-shaped packaging container or a pillow-shaped packaging container and the liquid is packaged.

In addition, by setting a unique gray scale mark on different packaging containers made of the paper-plastic packaging material 100, it is also possible to realize one-to-one code, which satisfies the requirements of product anti-counterfeiting, traceability and anti-smuggling.

The packaging container manufactured from the paper-plastic packaging material 100 will be exemplarily described below in conjunction with the two packaging containers shown in FIGS. 3 and 4.

As the box-shaped packaging container 20 shown in FIG. 3, gray scale marks 21 and 22 are provided on the outer surface of the box-shaped packaging container 20. Wherein, the two-dimensional code 21 is disposed on the front side (or the back side) of the box-shaped packaging container 20, the two-dimensional code 22 is disposed on the top of the box-shaped packaging container 20, and a part of the area of the two-dimensional code 22 is set at the horizontal folding side of the top Occlusion. Product information 23 is also provided at the top of the box-shaped packaging container 20, and the illustrated product information is the date of manufacture. The product information 23 can be produced by a conventional spraying process or an image formed by processing a photon-sensitive ink layer by a laser.

The two-dimensional code 21 and the product information 23 provided on the box-shaped packaging container 20 are visible both in transportation and sales, and are convenient for the distributor and the consumer to inquire. The two-dimensional code 22 disposed on the top of the box-shaped packaging container 20 is visible to the naked eye after being squeezed through the box body during the sales process, but the image is too tilted during scanning, so that the degree of deformity of the image after focusing exceeds the correction ability of the recognition software, resulting in Not recognized. Thus, the two-dimensional code 22 is relatively hidden during the sales process, avoiding being stolen ahead of time. The information in the two-dimensional code 21 provided on each of the box-shaped packaging containers 20 and the information in the two-dimensional code 22 are different from each other and are associated with each other in the database. By setting the two-

dimensional codes

21 and 22, the requirements of anti-counterfeiting traceability, marketing use, and anti-smuggling query can be satisfied at the same time.

In this embodiment, the relative hiding of the two-dimensional code 22 is introduced by taking the two-dimensional code 22 in the vicinity of the top sealing line 25 of the box-shaped packaging container 20, and in actual production, the two-dimensional code 22 can also be used. It is disposed near the bottom sealing line or the longitudinal sealing line connecting the top and bottom, and the partial area of the two-dimensional code 22 is blocked by the laterally folded side and the longitudinal folded side. The two-dimensional code 22 may also be disposed on the side of the box-shaped packaging container, and a portion of the area of the two-dimensional code 22 is blocked by the folding angle.

When the partial area of the two-dimensional code 22 is blocked by the folded portion including the lateral folded side, the longitudinal folded side or the folded corner, the exposed portion of the two-dimensional code 22 can prompt the consumer to take apart the folding angle of the box-shaped packaging container and Open the folded edge to get the full QR code and join the event. In other words, only the purchaser can obtain the QR code after purchasing and destroying the outer packaging, and participate in the activities of the manufacturer.

The two-dimensional code 22 provided on each of the box-shaped packaging containers 20 has uniqueness, and uniquely corresponds to one box-shaped packaging container, realizing one object and one code, so that the two-dimensional code 22 becomes the identification code of the box-shaped packaging container 20. . The two-dimensional code 22 provided on the different box-shaped packaging containers 20 is different.

In order to ensure that the two-dimensional code 22 cannot be recognized without destroying the packaging container, the ratio of the total area occupied by the two-dimensional code to the occlusion area should satisfy different requirements for different types and two-dimensional codes having different levels of error correction. The ratio of the area covered by the folded portion of the two-dimensional code to the total area should be greater than the error correction rate corresponding to the error correction level of the two-dimensional code. The error correction rate corresponding to the error correction level of the two-dimensional code refers to: when the two-dimensional code uses a certain error correction level, if the code of the error correction rate is missing or defaced in the two-dimensional code pattern, The complete information corresponding to the two-dimensional code can still be obtained by the error correction algorithm. Therefore, when the area in which the two-dimensional code is occluded is larger than the error correction rate corresponding to the error correction level of the two-dimensional code, the two-dimensional code must not be recognized, and can only be recognized after the package container is opened to expose other parts. For example, when the QR code uses the QR code two-dimensional code and uses the L error correction level, the ratio of the area covered by the two-dimensional code to the total area should be greater than 7%; when the M error correction level is used, the area where the two-dimensional code is occluded The proportion of the total area should be greater than 15%.

The pillow-shaped packaging container 30 shown in Fig. 4 is provided with a gradation mark including a two-dimensional code 31 and shelf life information 33 on its outer surface. The two-dimensional code 31 and shelf life information 33 are visible during shipping and sales. Of course, the two-dimensional code 31 can also be covered by an opaque and peelable coating (eg, a conventional scratch coating). The two-dimensional code 31 and the shelf life information 33 may also be provided on the back of the pillow-shaped packaging container 30 or separately on the front and back sides of the pillow-shaped packaging container 30. According to the actual needs, by providing a unique gray scale mark on the outer surface of the pillow-shaped packaging container 30, the normal information inquiry requirement in the production and sales process can be satisfied, and the identification code of the participating activity can be prevented from being damaged during the sales process. Or being counterfeited, it can guarantee the legitimate rights and interests of both manufacturers and consumers.

The present invention also provides a method of manufacturing the above packaging container. Specifically, the method further comprises the steps of: coating a photon-sensitive ink layer on the outer surface of the paper-plastic packaging material to form a photo-sensitive ink layer, and processing the photo-sensitive ink layer with a laser to make a portion of the photon-active material in the photon-sensitive ink layer; A grayscale mark is formed after a change in appearance occurs.

The manufacturing method may further include other steps according to actual needs. For example, a step of coating a surface of the photon-sensitive ink layer with a clear coat layer may also be included. Since the photon-sensitive ink is sensitive to laser light, the photon-sensitive ink layer can be processed to form a gray scale mark before or after the clear coating is applied. As another example, it is also possible to include other product information by using ordinary ink on the surface of the paper-plastic packaging material 100. For another example, an opaque coating may be provided on the surface of the photon-sensitive ink layer provided with the gradation mark to cover. Since the photon-sensitive ink layer is processed conveniently by using a low-power laser, the liquid-sensitive ink layer coated on the outer surface of the packaging container can be processed by a laser to form a gray scale mark after storing the liquid inside the packaging container and sealing the sealing.

In summary, the paper-plastic packaging material with photon-sensitive ink layer provided by the present invention forms a photon-sensitive ink layer by coating photo-sensitive ink on the outer surface of the paper-plastic packaging material, and processing with a laser with less power. , forming a smooth gray scale mark; the gray mark may be product information, a trademark image or a decorative image; the gray mark may also be a product identification code. In the process of making the gray scale logo, the above-mentioned paper-plastic packaging material only changes the appearance of the photon active component in the photon-sensitive ink layer, and does not cause the photon-sensitive ink to burn, etch or fall off, so that the paper-plastic packaging material has a smooth and beautiful appearance. Appearance. Moreover, after using photon-sensitive ink, a laser with a very low power can engrave a pattern with better effects, greatly reducing the cost, greatly increasing the engraving speed, meeting the high-speed requirements of online production, and also playing a good environmental protection role.

The paper-plastic packaging material, the packaging container and the manufacturing method thereof having the photon-sensitive ink layer provided by the present invention are described in detail above. Any obvious changes made to the present invention without departing from the spirit of the invention will constitute an infringement of the patent right of the present invention and will bear corresponding legal liabilities.

Claims

A paper-plastic packaging material having a photon-sensitive ink layer, characterized in that:

Photon-sensitive ink is applied to all or a partial area of the outer surface of the paper-plastic package to form a photon-sensitive ink layer.
A paper-plastic packaging material according to claim 1 wherein:

Forming at least one gradation mark in the photon-sensitive ink layer; the gradation mark is an image formed by a change in appearance of a part of the photon active material in the photon-sensitive ink layer, the gray mark surface being smooth and The surrounding area has a grayscale difference.
A paper-plastic packaging material according to claim 2, wherein:

The photon-sensitive ink layer is exposed and forms the gray scale mark, or the gray scale mark is formed in the photon-sensitive ink layer and the photon-sensitive ink layer is covered by the coating.
A paper-plastic packaging material according to claim 2, wherein:

The identification code in the grayscale identifier is any one or more of a two-dimensional code, a digital code, a letter, and a text.
A paper-plastic packaging material according to claim 2, wherein:

The information in the plurality of grayscale identifiers are different from each other and associated with each other.
A paper-plastic packaging material according to claim 1 wherein:

The grayscale logo is one or more of a decorative image, a trademark image, or product information.
A packaging container made of the paper-plastic packaging material according to claim 1, characterized in that:

The outer surface of the packaging container is formed with a gray scale mark, and the gray mark is an image formed by a change in appearance of a part of the photon active material applied to the photon sensitive ink layer on the outer surface of the paper plastic package. The gray scale marking surface is smooth and has a grayscale difference from the surrounding area.
A packaging container according to claim 7 wherein:

The packaging container is a box-shaped packaging container.
A packaging container according to claim 8 wherein:

At least one of the grayscale indicia is obscured by the folded portion of the box-shaped packaging container, the occluded grayscale indicia having a unique identity, uniquely corresponding to a box-shaped packaging container.
A packaging container according to claim 9 wherein:

The gray scale identifier is a two-dimensional code, and an area of the two-dimensional code that is occluded occupies a total area of the two-dimensional code is greater than an error correction rate corresponding to an error correction level of the two-dimensional code.
A packaging container according to claim 7 wherein:

The packaging container is a pillow-shaped packaging container.
A packaging container according to claim 11 wherein:

The information of the gray scale identification provided on the outer surface of the pillow-shaped packaging container is unique.
A packaging container according to claim 7 wherein:

The packaging container further includes any one or more of a decorative image, a trademark image, and product information formed by a change in appearance of a portion of the photon active component in the photon-sensitive ink layer.
A method of manufacturing a packaging container according to claim 7, comprising the steps of:

Forming a photon-sensitive ink layer on the outer surface of the paper-plastic packaging material, and processing the photo-sensitive ink layer with a laser to change the appearance of a part of the photo-active material in the photo-sensitive ink layer. A grayscale logo is formed.
The manufacturing method according to claim 14, further comprising the steps of:

A transparent coating or an opaque coating is applied to the surface of the photonic sensitive ink layer.
The manufacturing method according to claim 14, further comprising the steps of:

After storing the liquid inside the packaging container and sealing the sealing, the photon-sensitive ink layer coated on the outer surface of the packaging container is processed by laser to form a gray scale mark.