CN217944580U - High-barrier infusion outer bag and production system - Google Patents
High-barrier infusion outer bag and production system Download PDFInfo
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- CN217944580U CN217944580U CN202221363763.9U CN202221363763U CN217944580U CN 217944580 U CN217944580 U CN 217944580U CN 202221363763 U CN202221363763 U CN 202221363763U CN 217944580 U CN217944580 U CN 217944580U
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Abstract
The application discloses high resistant separates infusion with outer bag and production system, this high resistant separates infusion with outer bag includes: the printing layer, the layer that flows, barrier layer and the heat-seal layer that sets gradually, wherein, the printing layer with flow and to glue through first bond line between the layer, the barrier layer with the heat-seal layer passes through the bonding of second bond line. The production system includes: the device comprises a first conveying device, a second conveying device, a first extruding die head, a second extruding die head, a first co-extruding device and a second co-extruding device. The barrier property, especially the oxygen barrier property, of the outer bag is improved, and the quality guarantee period of the product is prolonged (the outer bag is especially suitable for occasions such as a marine export and the like); the temperature during sealing is reduced, energy consumption is saved during batch production, the residual quantity of the solvent in the film produced by the finished product is low, and the transparency safety degree of the transparent film can be adjusted to be higher.
Description
Technical Field
The application belongs to the technical field of medical packaging supplies, and particularly relates to a high-barrier infusion outer bag and a production system.
Background
The existing conventional dry-type composite process is mostly used for the same type of high-barrier infusion outer bag product, generally has a three-layer structure, and coatings of PET (polyethylene terephthalate), NY (biaxially oriented polyamide film) and CPP (cast polypropylene film) are respectively arranged from outside to inside, but the structure has the defects of unstable barrier property and limited shelf life of contents, and is mostly used for domestic sale and circulation; the transparency is poor, the whole film is hard, and the sealing and unsealing temperature is high, so that the energy consumption is high; furthermore, dry compounding tends to cause problems such as high solvent residue.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings or drawbacks of the prior art, the present application provides a high-barrier infusion outer bag and a production system.
In order to solve the technical problem, the application is realized by the following technical scheme:
the application provides a high resistant separates infusion with outer bag includes: the printing layer, the epitaxial layer, the barrier layer and the heat-seal layer that set gradually, wherein, the printing layer with through first bond line bonding between the epitaxial layer, the barrier layer with the heat-seal layer is through the bonding of second bond line.
Optionally, the above-mentioned high-barrier infusion outer bag, wherein the printing layer includes: biaxially oriented polypropylene film (OPP).
Optionally, the high-barrier infusion overpouch described above, wherein the epitaxial layer includes: a first cast low density polyethylene film (EXPE).
Optionally, the above-mentioned high-barrier external bag for infusion, wherein the barrier layer comprises: a silicon-plated biaxially oriented polyamide film or an aluminum-plated biaxially oriented polyamide film (GL-AEY).
Optionally, the above-mentioned high-barrier infusion outer bag, wherein the heat-sealing layer comprises: a second cast low density polyethylene film (EXPE).
Optionally, the high-barrier infusion overpouch described above, wherein the first adhesive layer or the second adhesive layer employs: polyurethane glue (AC).
This application another aspect has still provided a production system of outer bag for high resistant separates infusion, includes: a first conveying device, a second conveying device, a first extrusion die head, a second extrusion die head, a first co-extrusion device and a second co-extrusion device,
the first conveying device, the first extrusion die head and the second conveying device are arranged on the upstream side of the first co-extrusion device, and products respectively conveyed by the first conveying device, the first extrusion die head and the second conveying device are co-extruded by the first co-extrusion device to form semi-finished products;
the second extrusion die and the first co-extrusion device are arranged on the upstream side of the second co-extrusion device, and the semi-finished product conveyed by the first co-extrusion device and the product extruded by the second extrusion die are co-extruded by the second co-extrusion device to form the high-barrier infusion outer bag.
Optionally, in the above production system of a high-barrier infusion overpouch, the first co-extrusion device includes: the first cooling roller and the first silica gel roller are matched with each other.
Optionally, in the production system of the high-barrier infusion overpouch, the second co-extrusion device includes: and the second cooling roller and the second silica gel roller are matched with each other.
Optionally, in the above production system of the high-barrier infusion overpouch, a first adhesive output device is further provided at an upstream side of the first co-extrusion device, and/or a second adhesive output device is further provided at an upstream side of the second co-extrusion device.
Compared with the prior art, the method has the following technical effects:
the bag has a four-layer structure, the barrier performance, particularly the oxygen barrier performance, of the outer bag is improved, and the quality guarantee period of the product is prolonged (the bag is particularly suitable for occasions such as a marine export and the like); the temperature during sealing is reduced, energy consumption is saved during batch production, the residual quantity of the solvent of the film produced by the finished product is low, and the transparency safety degree of the transparent film can be adjusted to be higher.
The high-barrier infusion outer bag formed by wet compounding in the production system is higher than existing products in composite strength, sealing strength, oxygen transmission rate, dissolved substances and the like, and the bag breaking phenomenon does not occur in a pressure-resistant drop test of the high-barrier infusion outer bag in different storage periods.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: the section view of the high-barrier infusion outer bag in one embodiment of the application;
FIG. 2 is a schematic diagram: the structure of the production system of the high-barrier infusion outer bag in the embodiment of the application is shown;
FIG. 3: sealing comparison of an example of the present application with a comparative example.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In one embodiment of the present application, as shown in fig. 1, a high-barrier infusion overpouch includes: the printing layer 10, the casting layer 20, the barrier layer 30 and the heat-sealing layer 40 that set gradually, wherein, the printing layer 10 with through the bonding of first adhesion layer 101 between the casting layer 20, the barrier layer 30 with the heat-sealing layer 40 passes through the bonding of second adhesion layer 401. The embodiment has a four-layer structure, the barrier performance, especially the oxygen barrier performance, of the outer bag is improved, and the shelf life of the product is prolonged (the outer bag is especially suitable for occasions such as a marine export); the temperature during sealing is reduced, energy consumption is saved during batch production, the residual quantity of the solvent of the film produced by the finished product is low, and the transparency safety degree of the transparent film can be adjusted to be higher.
In the present embodiment, the printing layer 10 includes: biaxially oriented polypropylene film. Characters or patterns can be gravure-printed on the OPP processing surface of the printing layer 10 according to the requirements of customers.
Further, the epitaxial layer 20 includes: a first cast low density polyethylene film.
Further, the barrier layer 30 includes: a silicon-plated biaxially oriented polyamide film or an aluminum-plated biaxially oriented polyamide film.
Further, the heat seal layer 40 includes: a second cast low density polyethylene film.
Further preferably, the first adhesive layer 101 employs: and polyurethane glue.
Further preferably, the second adhesive layer 401 employs: and polyurethane glue.
As shown in fig. 2, a system for producing a high-barrier infusion overpouch includes: a first conveying device M1, a second conveying device M2, a first extrusion die head M3, a second extrusion die head M6, a first co-extrusion device and a second co-extrusion device,
the first conveying device M1, the first extrusion die M3 and the second conveying device M2 are all arranged at the upstream side of the first co-extrusion device, and products respectively conveyed by the first conveying device M1, the first extrusion die M3 and the second conveying device M2 are co-extruded by the first co-extrusion device to form semi-finished products;
the second extrusion die head M6 and the first co-extrusion device are arranged on the upstream side of the second co-extrusion device, and the semi-finished product conveyed by the first co-extrusion device and the product extruded by the second extrusion die head M6 are co-extruded together by the second co-extrusion device to form the high-barrier infusion outer bag.
The first conveying device M1 is used for conveying the printing layer 10, the second conveying device M2 is used for conveying the barrier layer 30, the first extrusion die head M3 is used for extruding the casting layer 20, and the second extrusion die head M6 is used for extruding the heat sealing layer 40. The technical scheme related to the high-barrier infusion outer bag is described above, and is not described herein again.
Wherein, the thickness of the polyethylene extruded by the first extrusion die head M3 is within the range of 5-30um, and the thickness of the polyethylene co-extruded by the second extrusion die head is within the range of 20-80 um.
The first coextrusion apparatus comprises: a first cooling roller M4 and a first silica gel roller M5 which are matched with each other; the second co-extrusion device comprises: a second cooling roller M7 and a second silica gel roller M8 used in cooperation with each other. The haze of the obtained film is in the range of 15% -40% by selecting a proper cooling roller and matching with proper cooling temperature and bonding pressure.
On the upstream side of the first coextrusion device there is also a first adhesive outlet device (not shown).
A second adhesive output device (not shown) is also provided on the upstream side of the second coextrusion device.
The specific production process of this example is described below:
the first conveying device M1 conveys the OPP, coating and gluing are carried out on the printing surface of the OPP before the first co-extrusion device extrudes and compounds, and specifically, polyurethane glue is coated and glued through the first adhesive output device;
casting a polyethylene film by using the first extrusion die M3;
synchronously discharging GL-AEY (silicon or aluminum plated on the biaxially oriented polyamide film) from the second conveying device M2, and laminating the 3 films into a film (a semi-finished product) under the extrusion of the first co-extrusion device;
coating and gumming the obtained 3 layers of the laminating films on a polyethylene surface, and specifically coating and gumming polyurethane glue through the second adhesive output device;
co-extruding and casting a layer of polyethylene film through a second extrusion die head M6 to be used as a heat sealing layer 40;
and finally, the 4 layers of films are bonded into a final primary film, namely the high-barrier infusion outer bag, under the extrusion of the second co-extrusion device.
The following comparative analysis of this example with different comparative examples is used to demonstrate the excellent product performance of this example.
The film of comparative example 1 replaces the GL film in the barrier layer of this embodiment with another type, and the structure of the other layer is the same as that of this embodiment; comparative example 2 other existing products formed by dry compounding were used. The comparative analysis results are shown in table 1 below.
TABLE 1 analysis of properties of this example and various comparative examples
As can be seen from table 1, in the present embodiment, compared with comparative examples 1 and 2, the product performance, such as the composite strength, the sealing strength, the oxygen transmission rate, and the dissolution, of the present embodiment is not higher than those of the other two comparative examples, and for different storage periods, the pressure drop test of the present embodiment has no bag breaking phenomenon, and is significantly better than those of the other two comparative examples.
With continued reference to fig. 3 and table 2 above, this example and comparative example 1 were effectively sealed at about 160 ℃, while comparative example 2 was effectively heat sealed to about 200 ℃; on the premise of obtaining a certain sealing strength, the sealing device has relatively low sealing temperature, and saves energy consumption.
The bag has a four-layer structure, the barrier performance, particularly the oxygen barrier performance, of the outer bag is improved, and the quality guarantee period of the product is prolonged (the bag is particularly suitable for occasions such as a marine export and the like); the temperature during sealing is reduced, energy consumption is saved during batch production, the residual quantity of the solvent of the film produced by the finished product is low, and the transparency safety degree of the transparent film can be adjusted to be higher. The high-barrier infusion outer bag formed by wet compounding in the production system is higher than existing products in composite strength, sealing strength, oxygen transmission rate, dissolved substances and the like, and the bag breaking phenomenon does not occur in a pressure-resistant drop test of the high-barrier infusion outer bag in different storage periods. Therefore, the method has good market application prospect.
In the description of the present application, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The above embodiments are merely provided to illustrate the technical solutions of the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.
Claims (10)
1. A high-barrier infusion overpouch, comprising: the printing layer, the layer that flows, barrier layer and the heat-seal layer that sets gradually, wherein, the printing layer with flow and to glue through first bond line between the layer, the barrier layer with the heat-seal layer passes through the bonding of second bond line.
2. The high-barrier infusion overpouch according to claim 1, wherein the printing layer comprises: biaxially oriented polypropylene film.
3. The high-barrier infusion overpouch according to claim 1, wherein the casting layer comprises: a first cast low density polyethylene film.
4. The high-barrier infusion overpouch according to claim 1, wherein the barrier layer comprises: a silicon-plated biaxially oriented polyamide film or an aluminum-plated biaxially oriented polyamide film.
5. The high-barrier infusion overpouch according to claim 1, wherein the heat-sealing layer comprises: a second cast low density polyethylene film.
6. The high-barrier infusion overpouch according to claim 1, wherein the first adhesive layer or the second adhesive layer is: and polyurethane glue.
7. A production system of the high-barrier transfusion overpouch of any one of claims 1 to 6, wherein the production system comprises: a first conveying device, a second conveying device, a first extrusion die head, a second extrusion die head, a first co-extrusion device and a second co-extrusion device,
the first conveying device, the first extrusion die and the second conveying device are all arranged on the upstream side of the first co-extrusion device, and products respectively conveyed by the first conveying device, the first extrusion die and the second conveying device are co-extruded by the first co-extrusion device to form semi-finished products;
the second extrusion die and the first co-extrusion device are arranged on the upstream side of the second co-extrusion device, and the semi-finished product conveyed by the first co-extrusion device and the product extruded by the second extrusion die are co-extruded by the second co-extrusion device to form the high-barrier infusion outer bag.
8. The production system of claim 7, wherein the first co-extrusion device comprises: the first cooling roller and the first silica gel roller are matched with each other.
9. The production system of claim 7, wherein the second co-extrusion device comprises: and the second cooling roller and the second silica gel roller are matched with each other.
10. A production system according to any one of claims 7 to 9, characterized in that a first adhesive output is provided upstream of the first co-extrusion device and/or a second adhesive output is provided upstream of the second co-extrusion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221363763.9U CN217944580U (en) | 2022-05-24 | 2022-05-24 | High-barrier infusion outer bag and production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221363763.9U CN217944580U (en) | 2022-05-24 | 2022-05-24 | High-barrier infusion outer bag and production system |
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| Publication Number | Publication Date |
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| CN217944580U true CN217944580U (en) | 2022-12-02 |
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| CN202221363763.9U Active CN217944580U (en) | 2022-05-24 | 2022-05-24 | High-barrier infusion outer bag and production system |
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