CN215975650U - Stone paper-based self-adhesive film for medical instrument packaging - Google Patents
Stone paper-based self-adhesive film for medical instrument packaging Download PDFInfo
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- CN215975650U CN215975650U CN202122715552.9U CN202122715552U CN215975650U CN 215975650 U CN215975650 U CN 215975650U CN 202122715552 U CN202122715552 U CN 202122715552U CN 215975650 U CN215975650 U CN 215975650U
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Abstract
The utility model discloses a stone paper-based self-adhesive film for medical instrument packaging, which can be thermally sealed with medical dialyzing paper base paper (6) or coated dialyzing paper (7) and is used for preparing a sterilized packaging bag of a medical instrument; the structure of it is: the stone paper base film (1) is divided into a front surface and a back surface, and the front surface is a printable surface (2); the reverse side is a composite heat sealing layer (3) of the stone paper base film (1). After the self-adhesive film is heat-sealed with medical dialyzing paper raw paper (6) or coated dialyzing paper (7), 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 stone paper-based self-adhesive film for 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. These large quantities of waste packaging plastic films are difficult to recycle, cannot be degraded in the environment, and cause environmental pollution.
On the other hand, in the heat-sealing packaging of the above traditional plastic heat-sealing films and medical dialyzing paper, a heat-sealable hot melt adhesive is often coated on the dialyzing paper in advance to be heat-sealed with the composite plastic films for bag making. 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 stone paper-based self-adhesive film for medical instrument packaging, and the stone paper is used for replacing a plastic film for medical instrument packaging, so that the environment friendliness and the service performance are improved well.
The stone paper is a novel material between paper and plastics, can replace part of traditional paper and traditional plastic packaging materials, has the characteristics of low cost and controllable degradation, reduces the pollution of waste films to the environment, and can save a large amount of petroleum resources for the country.
In order to achieve the above purpose, the utility model is realized by the following technical scheme.
A self-adhesive film for medical instrument packaging based on stone paper can be thermally sealed with medical dialyzing paper base paper (6) or coated dialyzing paper (7) and is used for preparing a sterilized packaging bag of medical instruments; the structure of it is: the stone paper base film (1) is divided into a front surface and a back surface, and the front surface is a printable surface (2); the reverse side is a composite heat sealing layer (3).
A self-adhesive film for medical equipment packaging based on stone paper, wherein a composite heat-sealing layer (3) is composed of a bottom coating (4) on the reverse side of a stone paper base film (1) and a hot melt adhesive coating (5) coated on the bottom coating (4); the bottom coating (4) is formed by coating a coating with high adhesive force with the surface of the stone paper; the coating is selected from any one of an organic solvent type coating and a water-based coating; the hot melt adhesive coating (5) of the composite heat sealing layer (3) is selected from 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.
The self-adhesive film for medical equipment packaging based on the stone paper is optimized, and the dry coating weight of the composite heat-sealing layer (3) is as follows: 2 to 17 g/M2。
The stone paper-based self-adhesive film for medical equipment packaging is optimized, and the gram weight of the stone paper-based film (1) is 20-200 g/M2。
The self-adhesive film is optimally based on stone paper and used for packaging medical instruments, and after the self-adhesive film is heat-sealed with medical dialyzing paper base paper (6) or coated dialyzing paper (7), 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 method has the advantages that the plastic film is not used, the environmental pollution is reduced, the process of coating hot melt adhesive on the dialysis paper when the traditional plastic film is used for making bags is omitted, the use process is simple, the method can be used for gluing the traditional hot melt type coating dialysis paper, and can also be directly used for manufacturing the composite bag by heat sealing with medical dialysis paper base paper or non-hot melt type coating dialysis paper without glue, and the manufactured composite bag has better air permeability than the traditional plastic composite bag and has more efficient gas sterilization efficiency. And the self-adhesive film has stable peeling force to the dialyzing paper, the sealing of the heat sealing position is complete, and the opening is smooth without paper breaking or paper scrap, so that the comprehensive properties are further improved.
Drawings
FIG. 1 is a schematic structural view of a self-adhesive film for medical device packaging based on stone paper; fig. 2 is a structural schematic diagram of a self-adhesive film for medical instrument packaging based on stone paper and a dialysis paper base paper (6) or a coating dialysis paper (7) which are heat-sealed.
Detailed Description
To further illustrate the present invention, the following description is made with reference to the accompanying drawings.
As shown in fig. 1 and 2, the self-adhesive film for medical equipment packaging based on stone paper can be thermally sealed with medical dialyzing paper base paper (6) or coated dialyzing paper (7) and is used for preparing sterilized packaging bags of medical equipment; the structure of it is: the stone paper base film (1) is divided into a front surface and a back surface, and the front surface is a printable surface (2); the reverse side is a composite heat sealing layer (3).
In this example, the relevant selected materials are shown in table 1.
The stone paper base film (1) in the table 1 is commercially available stone paper; 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; undercoating (4) material 5203W is supplied by Shimanshu industries, Inc. of Shanghai; 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: coating of the composite heat-seal layer (3) in table 2: the stone paper base film is prepared by firstly coating the selected primer on the reverse side of the stone paper base film (1) and then coating the hot melt adhesive on the primer, coating the stone paper base film by using gravure anilox roller coating, wire bar coating, air knife coating, comma scraper coating, solid hot melt adhesive coating and the like according to the material condition, rolling the stone paper base film after drying, checking the coating dry weight, the heat sealing strength and other performances to be qualified, and then cutting and packaging the stone paper base film to obtain the stone paper base film.
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, the hot pressing surface is the dialyzing paper surface, namely, a bag is made by adopting a heat sealing mode of heating from a dialyzing paper single surface, 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 is 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 (5)
1. A self-adhesive film for medical equipment packaging based on stone paper is characterized in that: the self-adhesive film can be thermally sealed with medical dialyzing paper base paper (6) or coated dialyzing paper (7) and is used for preparing a sterilized packaging bag of medical instruments; the structure of it is: the stone paper base film (1) is divided into a front surface and a back surface, and the front surface is a printable surface (2); the reverse side is a composite heat sealing layer (3).
2. The self-adhesive stone paper-based film for medical device packaging as claimed in claim 1, wherein: the composite heat sealing layer (3) consists of a bottom coating (4) on the reverse side of the stone paper base film (1) and a hot melt adhesive coating (5) coated on the bottom coating (4); the bottom coating (4) is formed by coating a coating with high adhesive force with the surface of the stone paper; the coating is selected from any one of an organic solvent type coating and a water-based coating; the hot melt adhesive coating (5) of the composite heat sealing layer (3) is selected from 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.
3. The self-adhesive stone paper-based film for medical device packaging as claimed in claim 1, wherein the composite heat-seal layer (3) has a dry coating weight of: 2 to 17 g/M2。
4. The self-adhesive stone paper-based film for medical device packaging as claimed in claim 1, wherein: the grammage of the stone paper base film (1) is 20-200 g/M2。
5. The self-adhesive stone paper-based film for medical device packaging as claimed in claim 1, wherein the self-adhesive stone paper-based film has a heat-seal peel force in the range of 1.3N/15mm to 8.0N/15mm after heat-sealing with the medical dialysis paper base paper (6) or the coated dialysis paper (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715552.9U CN215975650U (en) | 2021-11-08 | 2021-11-08 | Stone paper-based self-adhesive film for medical instrument packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715552.9U CN215975650U (en) | 2021-11-08 | 2021-11-08 | Stone paper-based self-adhesive film for medical instrument packaging |
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| Publication Number | Publication Date |
|---|---|
| CN215975650U true CN215975650U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122715552.9U Active CN215975650U (en) | 2021-11-08 | 2021-11-08 | Stone paper-based self-adhesive film for medical instrument packaging |
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| CN (1) | CN215975650U (en) |
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2021
- 2021-11-08 CN CN202122715552.9U patent/CN215975650U/en active Active
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