CN215973047U - Self-adhesive film for medical instrument sterilization package - Google Patents
Self-adhesive film for medical instrument sterilization package Download PDFInfo
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- CN215973047U CN215973047U CN202122537046.5U CN202122537046U CN215973047U CN 215973047 U CN215973047 U CN 215973047U CN 202122537046 U CN202122537046 U CN 202122537046U CN 215973047 U CN215973047 U CN 215973047U
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Abstract
The utility model discloses a self-adhesive film for sterilization packaging of medical instruments, which can be thermally sealed with medical dialyzing paper base paper (7) or coated dialyzing paper (8) and is used for preparing sterilization packaging bags of medical instruments; the structure of it is: the base film (1) is a composite plastic film consisting of Polyethylene (PE) and other plastics and is divided into a front surface and a back surface, and the front surface is a printable surface (2); the reverse side is the PE layer outer surface (3) of the base film (1), and the heat sealing layer (4) is arranged on the outer surface (3) of the PE layer. After the self-adhesive film is heat-sealed with medical dialyzing paper base paper (7) or coated dialyzing paper (8), the heat-sealing stripping force is within the range of 1.3N/15 mm-8.0N/15 mm.
Description
Technical Field
The utility model belongs to the technical field of medical packaging materials, and particularly relates to a self-adhesive film for sterilizing and packaging medical instruments.
Background
In the prior art, the plastic film is usually formed by multilayer coextrusion and stretching of different plastic particles for paper-plastic packaging for sterilization of medical instruments; or the composite glue is adopted to compound different plastic films. The most used are: plastic heat-seal films of the PET/PE, PP/PE, PA/PE type are used in large numbers for the sterile packaging of medical devices, such as: disposable medical masks, disposable syringes, infusion sets, medical gloves, medical accessories and the like. When the traditional heat-sealing films and medical dialyzing paper are used for heat-sealing packaging, the dialyzing paper is often coated with heat-sealable hot melt adhesive in advance, and the heat-sealing films and the composite plastic films can be subjected to heat-sealing to form bags. And the hot melt adhesive is additionally coated on the base paper of the dialyzing paper, so that the air permeability of the dialyzing paper is often reduced, and the subsequent gas sterilization efficiency of medical instruments is influenced. Moreover, hot melt adhesive is coated on dialysis paper of different manufacturers, so that quality fluctuation can affect the stability of heat-sealing bag making. On the other hand, the dialysis paper is additionally coated with hot melt adhesive, so that the process flow of a printing and packaging factory is increased, the investment of additional coating equipment, personnel and fields is needed, the efficiency and the management are affected, and the stability of the packaging quality is also affected.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the self-adhesive film for sterilizing and packaging the medical instruments, which has simple use process, omits the procedure of coating hot melt adhesive on dialyzing paper, can be used for coating the dialyzing paper with the traditional hot melt type coating, and can also be directly heat-sealed with medical dialyzing paper base paper without coating or non-hot melt type coated dialyzing paper to manufacture a paper-plastic bag, so that the purposes of stable stripping force, smooth opening without paper breaking or paper scrap, complete sealing position, improved gas permeability of the traditional packaging bag and further improved comprehensive properties are achieved.
In order to achieve the above purpose, the utility model is realized by the following technical scheme.
A self-adhesive film for sterilizing and packaging medical instruments can be thermally sealed with medical dialyzing paper base paper (7) or coated dialyzing paper (8) and is used for preparing sterilizing and packaging bags for medical instruments; the structure of it is: the base film (1) is a composite plastic film consisting of Polyethylene (PE) and other plastics and is divided into a front surface and a back surface, and the front surface is a printable surface (2); the reverse side is the PE layer outer surface (3) of the base film (1), and the heat sealing layer (4) is arranged on the outer surface (3) of the PE layer.
Preferably, the self-adhesive film for the sterilization package of the medical equipment, the composite plastic film of the base film (1) is selected from any one of a polyester polyethylene composite film (PET/PE), a polypropylene polyethylene composite film (PP/PE) and a polyamide polyethylene composite film (PA/PE).
Preferably, the heat-sealing layer (4) is formed by selecting any one of a single hot melt adhesive coating (41) or a composite hot melt adhesive coating (42).
The single hot melt adhesive coating (41) is formed by coating a single hot melt adhesive on the outer surface (3) of the PE layer; the composite hot melt adhesive coating (42) consists of a bottom coating (5) on the outer surface (3) of the PE layer and a hot melt adhesive coating (6) coated on the bottom coating (5); the bottom coating (5) is formed by coating a coating and has high adhesion with the outer surface (3) of the PE layer; the coating is any one of an organic solvent type coating and a water-based coating; the hot melt adhesive coating of the single hot melt adhesive coating (41) or the composite hot melt adhesive coating (42) is any one of a solid hot melt adhesive coating, an organic solvent type hot melt adhesive coating and a water-based hot melt adhesive coating.
Preferably, the self-adhesive film is used for sterilizing and packaging medical instruments, and the dry coating weight of the heat-sealing layer (4) is as follows: 1.5 to 12 g/M2。
The self-adhesive film is optimally used for sterilizing and packaging medical instruments, and after the self-adhesive film is heat-sealed with medical dialyzing paper base paper (7) or coated dialyzing paper (8), the heat-sealing stripping force is in the range of 1.3N/15 mm-8.0N/15 mm.
Compared with the traditional composite film and dialysis paper heat-sealing bag making, the utility model has the beneficial effects that: the utility model provides a self-adhesive film for medical instrument sterilization packing, uses simple process, and dialysis paper scope that can directly use is extensive, especially can omit the process that needs scribble the hot melt adhesive on dialysis paper body paper, dialysis paper that can the heat-seal: the medical dialyzing paper bag not only comprises medical dialyzing paper base paper or non-hot-melt type coating dialyzing paper, but also can be used for gluing dialyzing paper of a traditional hot-melt type coating, and the paper-plastic bag manufactured by the method has better air permeability than the traditional paper-plastic bag and has more efficient gas sterilization efficiency. And the self-adhesive film has stable peeling force to the paper-plastic bag, the sealing of the heat sealing position is complete, the opening is smooth and has no paper breaking or paper scrap, so that the comprehensive properties are further improved.
Drawings
Fig. 1 and 2 are schematic structural diagrams of a self-adhesive film for medical equipment sterilization packaging; fig. 3 and 4 are schematic structural diagrams of a self-adhesive film and dialysis paper base paper (7) or coated dialysis paper (8) for medical instrument sterilization packaging in a heat sealing mode.
Detailed Description
To further illustrate the present invention, the following description is made with reference to the accompanying drawings.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the self-adhesive film for the sterilization package of the medical instruments can be heat-sealed with medical dialyzing paper base paper (7) or coated dialyzing paper (8) and is used for preparing the sterilization package bag of the medical instruments; the structure of it is: the base film (1) is a composite plastic film consisting of Polyethylene (PE) and other plastics and is divided into a front surface and a back surface, and the front surface is a printable surface (2); the reverse side is the PE layer outer surface (3) of the base film (1), and the heat sealing layer (4) is arranged on the outer surface (3) of the PE layer.
In this example, the relevant selected materials are shown in table 1.
Table 1. the inner base film (1) is a commercially available corresponding composite packaging film; water-based A/B blending glue: is a two-component general water-based heat sealing adhesive commercial product for packaging medical instruments (the utility model discloses number CN 108251016A) of Shanghai Wanhan industry Co., Ltd; undercoat layer (5) material 503W is supplied by Korea of the Shanghai, Tenghai, industries, Ltd; the commercial EVA hot melt adhesive adopts the corresponding specification of DuPont company; the medical dialyzing paper base paper sold in the market adopts the glue-free medical dialyzing paper base paper produced by domestic manufacturers.
The example scheme is shown in table 2, with reference to the materials selected in table 1 above.
The process is as follows: the heat-seal layer (4) in table 2 has two composition forms (41) and (42), wherein a single hot-melt adhesive coating (41) is applied with the selected glue; the composite hot melt adhesive coating (42) adopts a double-coating method, namely, the PE surface is coated with the selected primer firstly, and then the primer is coated with the hot melt adhesive to form an A/B composite coating; the corresponding coating can be coated by gravure anilox roller coating, wire bar coating, air knife coating, comma scraper coating, solid hot melt adhesive coating and the like in sequence, and after the corresponding coating is dried and rolled, the coating quality, the heat seal strength and other properties are checked to be qualified, and then the product is cut and packaged to obtain the product of the utility model.
The self-adhesive film prepared in the above embodiment and the selected dialyzing paper are respectively subjected to heat sealing test on a heat sealing instrument, and the heat sealing process comprises the following steps: heat-sealing temperature: 140 ℃ and heat-seal pressure: 0.5MPa, heat-seal time: 2 seconds; then 180-degree peeling is carried out on a tensile tester to test the peeling force of the heat-sealed sample, and each test result and a comparison sample of the traditional composite film paper-plastic bag are shown as follows: table 3: table of performance test of each example.
The above embodiments and the accompanying drawings clearly and completely describe the concept, specific structure and technical effects of the present invention to fully understand the objects, features and effects of the present invention. The above-mentioned embodiments are merely preferred examples of the present invention, and are not intended to limit the present invention, and other modifications and variations that may be made by those skilled in the art without inventive faculty are within the scope of the present invention. The technical characteristics of the utility model can be combined interactively on the premise of not conflicting with each other.
Claims (6)
1. A self-adhesive film for medical equipment sterilization packaging is characterized in that: the self-adhesive film can be thermally sealed with medical dialyzing paper base paper (7) or coated dialyzing paper (8) and is used for preparing a sterilized packaging bag of medical instruments; the structure of it is: the base film (1) is a composite plastic film consisting of Polyethylene (PE) and other plastics and is divided into a front surface and a back surface, and the front surface is a printable surface (2); the reverse side is the PE layer outer surface (3) of the base film (1), and the heat sealing layer (4) is arranged on the outer surface (3) of the PE layer.
2. The self-adhesive film for sterile packaging of medical devices according to claim 1, wherein: the composite plastic film of the base film (1) is any one selected from a polyester polyethylene composite film PET/PE, a polypropylene polyethylene composite film PP/PE and a polyamide polyethylene composite film PA/PE.
3. The self-adhesive film for sterile packaging of medical devices according to claim 1, wherein: the heat sealing layer (4) is formed by selecting any one of a single hot melt adhesive coating (41) or a composite hot melt adhesive coating (42).
4. The self-adhesive film for sterile packaging of medical devices according to claim 3, wherein: the single hot melt adhesive coating (41) is formed by coating a single hot melt adhesive on the outer surface (3) of the PE layer; the composite hot melt adhesive coating (42) consists of a bottom coating (5) on the outer surface (3) of the PE layer and a hot melt adhesive coating (6) coated on the bottom coating (5); the bottom coating (5) is formed by coating a coating and has high adhesion with the outer surface (3) of the PE layer; the coating is any one of an organic solvent type coating and a water-based coating; the hot melt adhesive coating of the single hot melt adhesive coating (41) or the composite hot melt adhesive coating (42) is any one of a solid hot melt adhesive coating, an organic solvent type hot melt adhesive coating and a water-based hot melt adhesive coating.
5. The self-adhesive film for sterile packaging of medical devices according to claim 1, wherein said heat-seal layer (4) is applied in a dry amount of: 1.5 to 12 g/M2。
6. The self-adhesive film for the sterilization packaging of medical instruments according to claim 1, wherein the heat-sealing peel force after the self-adhesive film is heat-sealed with the medical dialysis paper base paper (7) or the coated dialysis paper (8) is in the range of 1.3N/15mm to 8.0N/15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122537046.5U CN215973047U (en) | 2021-10-21 | 2021-10-21 | Self-adhesive film for medical instrument sterilization package |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122537046.5U CN215973047U (en) | 2021-10-21 | 2021-10-21 | Self-adhesive film for medical instrument sterilization package |
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| CN215973047U true CN215973047U (en) | 2022-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116516720A (en) * | 2023-05-25 | 2023-08-01 | 福建凯龙医疗卫生材料有限公司 | Medical dialyzing paper with two-sided gluing and production process |
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2021
- 2021-10-21 CN CN202122537046.5U patent/CN215973047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116516720A (en) * | 2023-05-25 | 2023-08-01 | 福建凯龙医疗卫生材料有限公司 | Medical dialyzing paper with two-sided gluing and production process |
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