CN112318994A - Waterproof color-changing corrugated board, waterproof color-changing corrugated carton and preparation method thereof - Google Patents
Waterproof color-changing corrugated board, waterproof color-changing corrugated carton and preparation method thereof Download PDFInfo
- Publication number
- CN112318994A CN112318994A CN202011240309.XA CN202011240309A CN112318994A CN 112318994 A CN112318994 A CN 112318994A CN 202011240309 A CN202011240309 A CN 202011240309A CN 112318994 A CN112318994 A CN 112318994A
- Authority
- CN
- China
- Prior art keywords
- layer
- color
- corrugated
- waterproof
- changing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000010410 layer Substances 0.000 claims abstract description 136
- 239000011247 coating layer Substances 0.000 claims abstract description 26
- 229920002678 cellulose Polymers 0.000 claims abstract description 14
- 239000001913 cellulose Substances 0.000 claims abstract description 14
- 239000000123 paper Substances 0.000 claims description 54
- 238000007639 printing Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000001254 oxidized starch Substances 0.000 claims description 6
- 235000013808 oxidized starch Nutrition 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 6
- 230000002940 repellent Effects 0.000 claims description 6
- 239000005871 repellent Substances 0.000 claims description 6
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 6
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 4
- 239000011111 cardboard Substances 0.000 claims description 3
- 238000007645 offset printing Methods 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000007647 flexography Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/08—Corrugated paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
- D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Cartons (AREA)
Abstract
The invention provides a waterproof color-changing corrugated board which comprises an inner layer oil layer, an inner waterproof layer, a corrugated inner paper layer, a corrugated core paper layer, a corrugated surface paper layer, an outer waterproof layer, a microfibrillated cellulose coating layer, a color layer, an outer layer oil layer and a color-changing layer which are sequentially stacked from inside to outside. The invention also provides a waterproof color-changing corrugated carton. The invention also provides a preparation method of the waterproof color-changing corrugated case. The invention has the beneficial effects that: the moisture-proof and waterproof performance of the corrugated board is improved, and the corrugated board can be used under the conditions of high humidity or humid environment; can be recycled and reused, and is relatively environment-friendly.
Description
Technical Field
The invention relates to packaging, in particular to a waterproof color-changing corrugated board, a waterproof color-changing corrugated carton and a preparation method thereof.
Background
With the rapid development of the logistics industry, paper product packaging containers increasingly play an important role, wherein corrugated cartons are the paper product packaging containers which are most used in production and life. The corrugated case has the advantages of light weight, good buffering performance, low cost, easy logistics and the like, and the application range is more and more extensive, but the corrugated case is easy to absorb moisture and damp to cause weakening of strength, and various physical performance indexes can be sharply reduced after meeting water, so that the use effect and the appearance of the case are directly influenced, and the complaints of consumers are increased. On the other hand, the express delivery industry in China shows blowout type development under the drive of electronic commerce. The quantity of express packaging garbage is increased, and recycling becomes a difficult problem. Corrugated case that present commodity circulation used usually single structure, the printing is only some simple information on the packing, because can not recycle, the consumer is after receiving the express delivery, often will directly abandon it as rubbish, will bring serious wasting of resources and environmental pollution like this.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a waterproof color-changing corrugated board, a waterproof color-changing corrugated carton and a preparation method thereof.
The invention provides a waterproof color-changing corrugated board which comprises an inner layer oil layer, an inner waterproof layer, a corrugated inner paper layer, a corrugated core paper layer, a corrugated surface paper layer, an outer waterproof layer, a microfibrillated cellulose coating layer, a color layer, an outer layer oil layer and a color-changing layer which are sequentially stacked from inside to outside.
As a further improvement of the invention, the inner waterproof layer and the outer waterproof layer are both waterproof coating layers.
As a further improvement of the invention, the waterproof coating layer is prepared by a mixed solution of polyvinyl alcohol, sodium carboxymethyl cellulose, oxidized starch and a water repellent agent for paper.
As a further improvement of the invention, the inner waterproof layer is uniformly coated on the outer surface of the corrugated inner paper layer, and the outer waterproof layer is uniformly coated on the outer surface of the corrugated surface paper layer.
The invention also provides a waterproof color-changing corrugated case which comprises a case body formed by folding the waterproof color-changing corrugated board.
As a further improvement of the invention, the box body is provided with a closed tearing line which encloses a reusable color-changing area.
As a further improvement of the invention, the color-changing layer is located on the color-changing region.
The invention also provides a preparation method of the waterproof color-changing corrugated case, which comprises the following steps:
s1, respectively manufacturing an offset plate and a silk screen plate according to the required printing content and the printing area of the color-changing area;
s2, in the process of forming the corrugated board, coating a layer of waterproof layer on the outer surfaces of the corrugated surface paper layer, the corrugated core paper layer and the corrugated lining paper layer respectively, wherein the waterproof layer on the corrugated surface paper layer is an outer waterproof layer, and the waterproof layer on the corrugated lining paper layer is an inner waterproof layer;
s3, coating a microfibrillated cellulose coating layer on the outer surface of the outer waterproof layer;
s4, printing a color layer on the microfibrillated cellulose coating layer by an offset printing process;
s5, respectively printing surface oil on the outer surfaces of the color layer and the inner waterproof layer through a UV printing process;
and S6, printing the color changing layer on the outermost layer on the outer surface of the color changing area formed by enclosing the tearing line of the box body through a screen printing process.
As a further improvement of the invention, the inner waterproof layer and the outer waterproof layer are both waterproof coating layers, and the waterproof coating layers are prepared by a mixed solution of polyvinyl alcohol, sodium carboxymethyl cellulose, oxidized starch and a water repellent agent for paper.
The invention has the beneficial effects that: the moisture-proof and waterproof performance of the corrugated board is improved, and the corrugated board can be used under the conditions of high humidity or humid environment; can be recycled and reused, and is relatively environment-friendly.
Drawings
Fig. 1 is a layered schematic view of a waterproof and discoloring corrugated cardboard according to the present invention.
Fig. 2 is a schematic view of a waterproof color-changing corrugated paper box of the present invention.
Detailed Description
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1, the waterproof and color-changing corrugated cardboard comprises an inner layer oil layer 1, an inner waterproof layer 2, a corrugated inner paper layer 31, a corrugated core paper layer 32, a corrugated surface paper layer 33, an outer waterproof layer 4, a microfibrillated cellulose coating layer 5, a color layer 6, an outer layer oil layer 7 and a color-changing layer 8 which are sequentially stacked from inside to outside.
As shown in fig. 2, the waterproof color-changing corrugated case comprises a case body 101 formed by folding a waterproof color-changing corrugated board and a printing coating on the inner side and the outer side of the case body, wherein the case body 101 is designed with a closed tear line 102, the tear line 102 encloses to form a color-changing area 103, the printing content of the part is a personalized pattern, and the part can be used as a water writing board after being torn.
The printing coating outside the box body consists of an outer waterproof layer 4, a microfibrillated cellulose coating layer 5, a color layer 6, a surface oil layer 7 and a color-changing layer 8 from inside to outside respectively, the inner side of the box body consists of an inner surface oil layer 1 and an inner waterproof layer 2 from inside to outside, the middle of the outer side of the box body and the inner side of the box body is a corrugated board 3, and the corrugated board 3 consists of a corrugated inner paper layer 31, a corrugated core paper layer 32 and a corrugated surface paper layer 33 from inside to outside.
Firstly, in order to enhance the waterproof performance of the corrugated board, a waterproof coating layer (a mixed solution of polyvinyl alcohol, sodium carboxymethyl cellulose, oxidized starch and a water repellent agent for paper) is uniformly coated on the outer surfaces of the surface paper, the inner paper and the middle paper in the forming process of the surface paper of the corrugated board so as to further enhance the waterproof performance of each layer structure of the corrugated board.
And secondly, uniformly coating a microfibrillated cellulose coating layer 5 on the outer surface of the surface paper (namely the corrugated surface paper layer 33) coated with the waterproof coating layer to further enhance the surface strength of the corrugated paperboard, and simultaneously filling tiny pits on the outer surface of the surface paper by the microfibrillated cellulose coating layer 5, so that the outer surface of the surface paper is smoother and the surface smoothness is increased. The uniform transfer of the printing ink is ensured, so that the printing plate has more uniform contact pressure when being contacted with the surface paper of the corrugated board during the flexographic printing, the printing ink is more uniformly transferred, and the coloring is better.
In addition, the outer surface of the liner paper (namely the corrugated liner paper layer 31) coated with the waterproof coating is coated with an inner layer oil layer 1, the inner layer oil layer 1 has scratch resistance, the waterproof layer is protected from being damaged, and the inner layer oil layer 1 has a certain waterproof effect.
The color layer on the microfibrillated cellulose coating layer 5 is formed by printing through flexo transfer watermark ink, is used for presenting information patterns such as design patterns, characters and the like, and simultaneously realizes the aim of environmental protection.
An outer oil layer 7 is printed on the color layer 6, and the outer oil layer 7 is used for the scratch resistance of the color layer 6 in the transportation and use processes, so that the color layer 6 has a protection function and a certain waterproof function.
Finally, a color changing layer 8 (water color changing ink) is printed on the outer layer oil layer 7, and the color changing layer 8 is positioned on the surface of a color changing area 103 formed by the enclosing of the tearing lines 102 and can be torn off to be used as a water writing board.
A preparation method of a waterproof color-changing corrugated case comprises the following steps:
1. respectively manufacturing an offset plate, a silk screen plate and a carton box structure design according to the required printing content and the printing area of the color-changing area;
2. in the process of forming the corrugated board, a layer of waterproof layer is coated on the outer surfaces of the corrugated inner paper layer 31, the corrugated core paper layer 32 and the corrugated surface paper layer 33;
3. coating an inner layer oil layer 1 on the outer surface of the corrugated inner paper layer 31 coated with the inner waterproof layer 2;
4. coating a microfibrillated cellulose coating layer 5 on the outer surface of the corrugated surface paper layer 33 coated with the outer waterproof layer 4;
5. printing a color layer 6 on the microfibrillated cellulose coating layer 5 by an offset printing process;
6. respectively printing surface oil on the surfaces of the color layer 6 and the inner waterproof layer 2 by a UV printing process;
7. the outermost discoloration layer 8 is printed on the surface of a discoloration area 103 formed by enclosing a tear line 102 of a case 101 by a screen printing process.
The inner waterproof layer 2 and the outer waterproof layer 4 are waterproof coating layers, and the waterproof coating layers are made of mixed liquid of polyvinyl alcohol, sodium carboxymethyl cellulose, oxidized starch and paper water repellent agent.
The waterproof color-changing corrugated board, the waterproof color-changing corrugated carton and the preparation method thereof provided by the invention have the following advantages:
1. through the corrugated container board forming process, at corrugated container board facial tissue, core paper and interior paper surface coating one deck waterproof layer and at the color layer surface and interior paper surface printing one deck oil reservoir, realize all-round water-proof effects in the outside, in the transportation of some higher products of humidity or on the way in rainy day transportation, can realize better water proof, the performance and the outward appearance of guarantee carton are not influenced.
2. The surface strength, the surface smoothness and the surface smoothness of the corrugated board are enhanced by coating the microfibrillated cellulose coating layer on the waterproof layer surface paper, so that more uniform contact pressure is realized during flexography, the ink transfer is more uniform, the coloring is better, the printed color layer pattern is fine and attractive, and the display effect of the color-changing layer is better.
3. The paper box has the advantages that the paper box changes color and recovers under the condition of meeting water in the transportation process due to the addition of the water color changing function and the design of the tear line of the box body when meeting water, so that the package is more personalized and interesting, and meanwhile, after the package is used, the panel on the box body can be torn down to be used as a water writing plate, so that the function of the package is increased, and the waste of resources is reduced.
4. All the procedures are basically realized by directly printing on the package in a printing mode, so that the efficiency is improved, and the cost is saved.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. The utility model provides a waterproof color-changing corrugated board which characterized in that: the oil-water composite oil-.
2. The water and color change resistant corrugated board according to claim 1, wherein: the inner waterproof layer and the outer waterproof layer are waterproof coating layers.
3. The water and color change resistant corrugated board according to claim 2, wherein: the waterproof coating layer is prepared from a mixed solution of polyvinyl alcohol, sodium carboxymethyl cellulose, oxidized starch and a water repellent agent for paper.
4. The water and color change resistant corrugated board according to claim 1, wherein: the inner waterproof layer is uniformly coated on the outer surface of the corrugated inner paper layer, and the outer waterproof layer is uniformly coated on the outer surface of the corrugated surface paper layer.
5. The utility model provides a waterproof discolour corrugated box which characterized in that: comprising a box body folded from the water-and color-changing resistant corrugated cardboard of any one of claims 1 to 4.
6. The water-resistant color-changing corrugated box according to claim 5, wherein: the box body is provided with a closed tearing line which encloses a recycled color-changing area.
7. The water-resistant color-changing corrugated box according to claim 6, wherein: the color changing layer is positioned on the color changing area.
8. The preparation method of the waterproof color-changing corrugated case is characterized by comprising the following steps of:
s1, respectively manufacturing an offset plate and a silk screen plate according to the required printing content and the printing area of the color-changing area;
s2, in the process of forming the corrugated board, coating a layer of waterproof layer on the outer surfaces of the corrugated surface paper layer, the corrugated core paper layer and the corrugated lining paper layer respectively, wherein the waterproof layer on the corrugated surface paper layer is an outer waterproof layer, and the waterproof layer on the corrugated lining paper layer is an inner waterproof layer;
s3, coating a microfibrillated cellulose coating layer on the outer surface of the outer waterproof layer;
s4, printing a color layer on the microfibrillated cellulose coating layer by an offset printing process;
s5, respectively printing surface oil on the outer surfaces of the color layer and the inner waterproof layer through a UV printing process;
and S6, printing the color changing layer on the outermost layer on the outer surface of the color changing area formed by enclosing the tearing line of the box body through a screen printing process.
9. The method of manufacturing a water and color change resistant corrugated paper box according to claim 8, wherein the inner waterproof layer and the outer waterproof layer are waterproof coating layers, and the waterproof coating layers are made of a mixture of polyvinyl alcohol, sodium carboxymethyl cellulose, oxidized starch and a water repellent agent for paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240309.XA CN112318994A (en) | 2020-11-09 | 2020-11-09 | Waterproof color-changing corrugated board, waterproof color-changing corrugated carton and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240309.XA CN112318994A (en) | 2020-11-09 | 2020-11-09 | Waterproof color-changing corrugated board, waterproof color-changing corrugated carton and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112318994A true CN112318994A (en) | 2021-02-05 |
Family
ID=74316617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011240309.XA Pending CN112318994A (en) | 2020-11-09 | 2020-11-09 | Waterproof color-changing corrugated board, waterproof color-changing corrugated carton and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112318994A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976693A (en) * | 2021-02-25 | 2021-06-18 | 深圳市旺盈彩盒纸品有限公司 | Compression-resistant color box forming process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434309A (en) * | 2013-09-09 | 2013-12-11 | 吉林大学 | Novel reusable water writing paper |
| CN107031163A (en) * | 2017-04-10 | 2017-08-11 | 滁州卷烟材料厂 | A kind of wet sensitive colour changing corrugated case |
| CN108611927A (en) * | 2018-04-04 | 2018-10-02 | 东莞顺裕纸业有限公司 | A kind of waterproof and dampproof corrugated paper and preparation method thereof |
| CN211055604U (en) * | 2019-11-15 | 2020-07-21 | 东莞市美盈森环保科技有限公司 | High-precision flexographic ink printing corrugated carton |
| CN213830777U (en) * | 2020-11-09 | 2021-07-30 | 美盈森集团股份有限公司 | Waterproof color-changing corrugated board and waterproof color-changing corrugated carton |
-
2020
- 2020-11-09 CN CN202011240309.XA patent/CN112318994A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434309A (en) * | 2013-09-09 | 2013-12-11 | 吉林大学 | Novel reusable water writing paper |
| CN107031163A (en) * | 2017-04-10 | 2017-08-11 | 滁州卷烟材料厂 | A kind of wet sensitive colour changing corrugated case |
| CN108611927A (en) * | 2018-04-04 | 2018-10-02 | 东莞顺裕纸业有限公司 | A kind of waterproof and dampproof corrugated paper and preparation method thereof |
| CN211055604U (en) * | 2019-11-15 | 2020-07-21 | 东莞市美盈森环保科技有限公司 | High-precision flexographic ink printing corrugated carton |
| CN213830777U (en) * | 2020-11-09 | 2021-07-30 | 美盈森集团股份有限公司 | Waterproof color-changing corrugated board and waterproof color-changing corrugated carton |
Non-Patent Citations (1)
| Title |
|---|
| 武军主编: "《印刷与包装材料》", 30 April 2006, 中国轻工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976693A (en) * | 2021-02-25 | 2021-06-18 | 深圳市旺盈彩盒纸品有限公司 | Compression-resistant color box forming process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kirwan | Paper and paperboard packaging technology | |
| EP3483337B1 (en) | Recyclable and repulpable translucent or transparent paper - use for packaging applications | |
| US6207242B1 (en) | Laminated package with enhanced interior and exterior | |
| JPH079628A (en) | Laminated pakaging material for liquid-tight form-stable pakaging container | |
| AU7414881A (en) | Container | |
| MX2008014424A (en) | Opaque printed substrate. | |
| US10399734B2 (en) | Packaging and method of manufacturing same | |
| CN213830777U (en) | Waterproof color-changing corrugated board and waterproof color-changing corrugated carton | |
| CN112318994A (en) | Waterproof color-changing corrugated board, waterproof color-changing corrugated carton and preparation method thereof | |
| CN114312099B (en) | Manufacturing process of environment-friendly hidden anti-counterfeiting packaging material | |
| CN211055604U (en) | High-precision flexographic ink printing corrugated carton | |
| CN210766194U (en) | Compound coating craft paper | |
| JP2005081662A (en) | Oilproof liner paper | |
| CN219153937U (en) | Environment-friendly hidden anti-counterfeiting packaging paper | |
| CN214650633U (en) | Transparent and visible cigarette packaging box | |
| CN210116820U (en) | Lightweight environment-friendly fastening packing inner box | |
| CN220786674U (en) | Dual anti-fake environment-friendly carton | |
| JP2011161659A (en) | Reinforced corrugated cardboard using lightweight base paper and method for manufacturing the same | |
| CN220786654U (en) | Environment-friendly carton with hidden anti-counterfeiting mark | |
| KR20080104240A (en) | The packing sheet of packing box | |
| CN216887691U (en) | Drying structure suitable for antistatic environmental protection water-based ink of full version printing | |
| CN210593184U (en) | Easy-to-open waterproof paper bag | |
| CN220786675U (en) | Anti-counterfeiting layer waterproof environment-friendly carton | |
| CN211057019U (en) | Anti-counterfeiting sticker and packing box | |
| CN215044502U (en) | Environment-friendly packaging paper and packaging box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210205 |
|
| RJ01 | Rejection of invention patent application after publication |