CN217397323U - High-adhesion code spraying film and packaging bag - Google Patents
High-adhesion code spraying film and packaging bag Download PDFInfo
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- CN217397323U CN217397323U CN202123218217.4U CN202123218217U CN217397323U CN 217397323 U CN217397323 U CN 217397323U CN 202123218217 U CN202123218217 U CN 202123218217U CN 217397323 U CN217397323 U CN 217397323U
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- 238000005507 spraying Methods 0.000 title claims abstract description 25
- 238000004806 packaging method and process Methods 0.000 title claims description 17
- 238000007639 printing Methods 0.000 claims abstract description 24
- -1 polypropylene Polymers 0.000 claims abstract description 23
- 239000004743 Polypropylene Substances 0.000 claims abstract description 22
- 229920001155 polypropylene Polymers 0.000 claims abstract description 22
- 229920006280 packaging film Polymers 0.000 claims abstract description 11
- 239000012785 packaging film Substances 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 25
- 238000013329 compounding Methods 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 4
- 229920006378 biaxially oriented polypropylene Polymers 0.000 claims description 4
- 239000011127 biaxially oriented polypropylene Substances 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 6
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000009455 aseptic packaging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 208000032370 Secondary transmission Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004595 color masterbatch Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model relates to a not only more tear-resistant, spout a yard printing layer adhesive force good moreover, sealing performance is good simultaneously, and compressive property is strong simultaneously, combines the high adhesive force that the fastness is good between the layer and the layer to spout a yard membrane and wrapping bag simultaneously, include the packaging film body that is formed by first rete, second rete and third rete complex, first rete is equipped with at 20 mu m-24 mu m's polypropylene film and polypropylene film's internal surface for thickness and spouts a yard printing layer, and the corona value of this polypropylene film internal surface reaches because of or is bigger for 38, spouts a yard printing layer and is located between first rete and the second rete when the complex forms packaging film body. The advantages are that: firstly, the high-adhesion code spraying film is more tear-resistant, and the sprayed code printing layer has good adhesion; and secondly, the high-adhesion code spraying film has good sealing performance, strong pressure resistance and good bonding fastness between layers.
Description
Technical Field
The utility model belongs to the wrapping bag field of making, concretely relates to high adhesive force spouts a yard membrane and wrapping bag.
Background
Application number 200620064550.0, title "a novel UHT liquid aseptic packaging bag membrane", it is formed by biaxial stretching polypropylene layer and three-layer coextrusion grey rete complex, it has the printing ink layer to print between biaxial stretching polypropylene layer and the three-layer coextrusion grey rete. And a glue layer or a polyethylene layer is arranged between the ink layer and the three co-extruded gray film layers of the UHT liquid sterile packaging bag film. The three-layer co-extrusion gray film layer is composed of a low-density polyethylene, a linear low-density polyethylene and a black-white color master batch film which are formed by co-extrusion. The disadvantages are that: firstly, the novel UHT liquid aseptic packaging bag film has the thickness of 10-18 μm, the tensile property is poor, and the adhesive force of an ink layer is relatively poor; secondly, the sealing performance and the pressure resistance of the novel UHT liquid aseptic packaging bag film are inferior.
SUMMERY OF THE UTILITY MODEL
The design purpose is as follows: in order to avoid the defects in the background technology, the high-adhesion code spraying film and the packaging bag are designed, wherein the high-adhesion code spraying film is more tear-resistant, the code spraying printing layer is good in adhesion, good in sealing performance, strong in pressure resistance and good in bonding fastness between layers.
The design scheme is as follows: the design purpose is realized.
1. First rete is that thickness is equipped with at the polypropylene film of 20 mu m-24 mu m and the internal surface of polypropylene film and spouts a yard printing layer, and the corona value of this polypropylene film internal surface reaches because of or is bigger for 38, spouts the design that a yard printing layer is located between first rete and the second rete when the complex forms the packaging film body, is one of the technical characteristics of the utility model. The purpose of this design is: the first film layer is a polypropylene film with the thickness of 20-24 μm and the first film layer is a biaxially oriented polypropylene film, the tensile strength (N) of the biaxially oriented polypropylene film with the thickness is more than or equal to 60N, and the fracture nominal strain is more than or equal to 15%, so that the using effects of the code spraying film and the food packaging bag made of the code spraying film are improved; and secondly, the corona value of the inner surface of the polypropylene film is 38 dynes or more, and the inner surface of the polypropylene film with the corona value can be better attached with the code spraying printing layer, namely the inner surface of the polypropylene film has high adhesive force, so that the quality of the pattern and the code of the code spraying printing layer is ensured.
2. The second film layer is a PET film with the thickness of 10-14 μm, and the third film layer is a PE film with the thickness of 44-46 μm, which is the second technical feature of the utility model. The purpose of this design is: the first film layer is a polypropylene film with the thickness of 20-24 mu m, the second film layer is a PET film with the thickness of 10-14 mu m, the third film layer is a PE film with the thickness of 44-46 mu m, and the packaging bag is made of a packaging film body formed by compounding the three layers, wherein the sealing performance (MPa) of the packaging bag is not less than 0.07MPa, and the packaging bag does not crack in 30min under the pressure resistance of 100 kg; in addition, the inner opening force (N) of the packaging bag is more than or equal to 10N, and the outer opening force (N) of the packaging bag is less than or equal to 8N.
3. The thickness of the glue layer I formed between the first film layer and the second film layer is 1.9-2.1 μm, the thickness of the glue layer II formed between the third film layer and the second film layer is 2.4-2.6 μm, and the glue is polyurethane glue or polyether glue, which is the third technical characteristic of the utility model. The purpose of this design is: the thickness of the glue layer I formed between the first film layer and the second film layer is 1.9-2.1 μm, and the thickness of the glue layer II formed between the third film layer and the second film layer is 2.4-2.6 μm, so that the overall thickness of the code spraying film is reduced on the premise of ensuring the bonding fastness between the films.
The technical scheme 1: the utility model provides a high adhesive force spouts a yard membrane, includes the packaging film body that is formed by first rete, second rete and third rete complex, first rete is that the internal surface of polypropylene film and polypropylene film of thickness at 20 mu m-24 mu m is equipped with spouts a yard printing layer, and the corona value of this polypropylene film internal surface is 38 dynes or bigger, spouts a yard printing layer and is located between first rete and the second rete when the complex forms the packaging film body.
The technical scheme 2 is as follows: the utility model provides a packaging bag, includes the wrapping bag body, the wrapping bag body is made by a high adhesive force spouts a yard membrane.
Compared with the background technology, the utility model has the advantages that firstly, the high-adhesion code spraying film is more tear-resistant, and the code spraying printing layer has good adhesion; and secondly, the high-adhesion code spraying film has good sealing performance, strong pressure resistance and good bonding fastness between layers.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of a high-adhesion code-spraying film.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic view of a structure of a packing bag.
Detailed Description
Example 1: reference is made to figures 1-2 of the drawings. The utility model provides a high adhesive force spouts a yard membrane, includes and is spouted a yard body 1 that forms by first rete 11, second rete 12 and third rete 13 complex, first rete 11 is equipped with for the internal surface of thickness at 20 mu m-24 mu m's polypropylene film and spouts a yard printing layer, and the corona value of this polypropylene film internal surface is 38 dynes or bigger, spouts a yard printing layer when complex forms packaging film body 1 and is located between first rete 11 and the second rete 12. The first film layer is a biaxially oriented polypropylene film. The first film layer 11, the second film layer 12, the third film layer 13 and glue are compounded by a dry compounding machine to form the packaging film body 1. And printing patterns and spraying character codes on the inner surface of the polypropylene film by using a printer and a laser ink-jet machine to form a code spraying printing layer. Specifically, the printing machine is combined with the laser ink-jet machine, the ink-jet machine is arranged at the rear end of a printing panel, the raw material roller is used for conveying blank cloth to the position below the printing plate in a timing transmission mode, the roller is used for transmitting the printed patterns to the position below the ink-jet machine in a secondary transmission mode after printing is completed, the ink-jet machine and the printing machine run simultaneously from the second round, one-time positioning is achieved, and the positioning accuracy of the two-dimensional code is improved.
The second film layer 12 is a PET film with a thickness of 10-14 μm, and the third film layer 13 is a PE film with a thickness of 44-46 μm. Preferably, the thickness of the first film layer 11 is 22 μm, the thickness of the second film layer 12 is 12 μm, and the thickness of the third film layer 13 is 45 μm.
During compounding, glue is arranged between the first film layer 11 and the second film layer 12 and between the second film layer 12 and the third film layer 13. The thickness of a glue layer I14 formed between the first film layer 11 and the second film layer 12 is 1.9-2.1 μm, the thickness of a glue layer II 15 formed between the third film layer 13 and the second film layer 12 is 2.4-2.6 μm, and the glue is polyurethane glue or polyether glue.
Preferably, the thickness of the first glue layer is 2.0 μm, and the thickness of the second glue layer is 2.5 μm.
Example 2: reference is made to fig. 3 on the basis of example 1. A packaging bag comprises a packaging bag body, wherein the packaging bag body is made of a high-adhesion code spraying film; namely, the packaging bag body is made of the packaging film body 1.
It is to be understood that: although above-mentioned embodiment is right the utility model discloses a design has done more detailed word description, but these word descriptions, are only right the utility model relates to a simple word description of idea, rather than right the utility model relates to a restriction of idea, any do not surpass the utility model relates to a combination, increase or the modification of idea all fall into the utility model discloses a within the protection scope.
Claims (8)
1. The utility model provides a high adhesive force spouts a yard membrane, includes the packaging film body that is formed by first rete, second rete and third rete complex, characterized by: the first film layer is a polypropylene film with the thickness of 20-24 mu m, the inner surface of the polypropylene film is provided with a code spraying printing layer, the corona value of the inner surface of the polypropylene film is 38 dyne or more, and the code spraying printing layer is positioned between the first film layer and the second film layer when the packaging film body is formed in a compounding mode.
2. The high-adhesion code-spraying film as claimed in claim 1, wherein: the second film layer is a PET film with the thickness of 10-14 μm, and the third film layer is a PE film with the thickness of 44-46 μm.
3. The high-adhesion code-sprayed film according to claim 1 or 2, wherein: the thickness of the first film layer was 22 μm, the thickness of the second film layer was 12 μm, and the thickness of the third film layer was 45 μm.
4. The high-adhesion code-sprayed film according to claim 1 or 2, wherein: glue is arranged between the first film layer and the second film layer and between the second film layer and the third film layer during compounding.
5. The high-adhesion code-spraying film as claimed in claim 4, wherein: the thickness of the glue layer I formed between the first film layer and the second film layer is 1.9-2.1 μm, the thickness of the glue layer II formed between the third film layer and the second film layer is 2.4-2.6 μm, and the glue is polyurethane glue or polyether glue.
6. The high-adhesion code-spraying film as claimed in claim 5, which is characterized in that: the thickness of the glue layer I is 2.0 mu m, and the thickness of the glue layer II is 2.5 mu m.
7. The high-adhesion code-spraying film as claimed in claim 1, which is characterized in that: the first film layer is a biaxially oriented polypropylene film.
8. The utility model provides a packaging bag, includes the wrapping bag body, characterized by: the packaging bag body is made of the high-adhesion code-sprayed film as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123218217.4U CN217397323U (en) | 2021-12-20 | 2021-12-20 | High-adhesion code spraying film and packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123218217.4U CN217397323U (en) | 2021-12-20 | 2021-12-20 | High-adhesion code spraying film and packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217397323U true CN217397323U (en) | 2022-09-09 |
Family
ID=83132929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123218217.4U Active CN217397323U (en) | 2021-12-20 | 2021-12-20 | High-adhesion code spraying film and packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217397323U (en) |
-
2021
- 2021-12-20 CN CN202123218217.4U patent/CN217397323U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high adhesion inkjet film and packaging bag Effective date of registration: 20230509 Granted publication date: 20220909 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: HANGZHOU JINHANG PACKAGE PRINTING CO.,LTD. Registration number: Y2023330000900 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220909 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: HANGZHOU JINHANG PACKAGE PRINTING CO.,LTD. Registration number: Y2023330000900 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |