CN213949323U - A rubber coating dialysis paper for medical instrument sterilization packing - Google Patents
A rubber coating dialysis paper for medical instrument sterilization packing Download PDFInfo
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- CN213949323U CN213949323U CN202022818200.1U CN202022818200U CN213949323U CN 213949323 U CN213949323 U CN 213949323U CN 202022818200 U CN202022818200 U CN 202022818200U CN 213949323 U CN213949323 U CN 213949323U
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Abstract
The utility model relates to a rubber coating dialysis paper for medical instrument sterilization packing, its structure includes: the medical dialyzing paper base paper (1) is divided into a front surface and a back surface, wherein the front surface is a printing surface (2); the reverse side is a heat sealing layer (3), and the heat sealing layer (3) consists of a bottom coating (4) coated on the dialyzing paper and a surface glue layer (5) coated on the bottom coating. The heat sealing layer (3) is coated on the surface of the dialyzing paper (1) in a frame coating or full coating mode; the application comprises the following steps: a paper bag for self-heat sealing of the dialyzing paper, a paper bag for heat sealing of the dialyzing paper and the laminating paper, a paper-plastic bag for heat sealing of the dialyzing paper and the plastic film, a soft plastic-absorbing heat-sealing package of the dialyzing paper and the stretchable plastic film, and a heat-sealing package product of the dialyzing paper and the medical hard plastic-absorbing box; has the advantages of wide material and process adaptability, stable and controllable heat sealing strength, smooth opening without paper scrap or paper breaking, good gas permeability and the like.
Description
Technical Field
The utility model belongs to the technical field of medical packaging material, concretely relates to rubber coating dialysis paper for medical instrument sterilization packing.
Background
Medical devices are closely related to human health, are a rapidly developing industry, and must be packaged in a very safe and reliable manner. Such as: the medical dialyzing paper is used for sterilizing and packaging medical instruments in a large amount due to high quality and low price in combination with other materials, and although DuPont Tyvek heat-seal packaging is also used, the use range is limited due to high price. For the heat sealing adhesion of the dialyzing paper and other packaging base materials, a layer of heat sealing adhesive is coated on the dialyzing paper in advance to form gummed dialyzing paper, and then the gummed dialyzing paper can be applied to sterilization packaging. The general packaging form is: a paper-plastic bag with dialyzing paper and plastic film heat-sealed, a soft plastic-absorbing heat-sealing package of dialyzing paper and stretchable plastic film, a paper bag with dialyzing paper and laminating paper heat-sealed, a paper bag with dialyzing paper self-heat-sealed, a heat-sealing package of dialyzing paper and medical hard plastic-absorbing box and other packaging forms.
In the prior art, the heat sealing layer of the prepared gumming dialysis paper usually adopts a mode of coating hot melt adhesive by a single layer, namely, the dialysis paper base paper is coated by a layer of hot melt adhesive, and the adopted hot melt adhesive comprises the following components: the single-layer gluing dialysis paper has the advantages of simple manufacturing process, obvious defects, and the like.
Firstly, the universality is poor: because different manufacturers of medical dialyzing paper and different raw materials and processes of different manufacturers are different, the produced dialyzing paper is difficult to ensure the complete consistency of quality and specification, and even if the paper is produced in one factory, the consistency of the surface state of the paper among batches and the distribution compactness and the strength of fibers is difficult to ensure; on the other hand, the specification and variety of the plastic used for film blowing of the composite film for medical packaging also have great changes, and the conditions of gluing, dialyzing and heat sealing for bag making become very complicated due to various specifications and varieties of the used laminating paper and the influence of bag making processes, environmental climate and human factors. The single-layer gluing dialysis paper can not be ensured to be suitable for various paper products and plastic films and processes, which is also a perplexity in the industry.
Specifically, it is often the case that a combination of heat seal strength of a coated dialysis paper and a specified size of substrate is suitable, while another size of substrate of the same type has too low or too high heat seal strength, which results in defects such as insufficient strength or too high strength, paper scrap falling after opening a bag, or uncontrollable resistance, such as attenuation or increase of heat seal strength after EO gas sterilization of packages, and is inconvenient for users.
In order to solve the above industrial problems, the invention patent of CN108251016B proposes a two-component general-purpose water-based heat sealing adhesive for medical instrument packaging, which solves the technical problems in this field to a greater extent, but needs a certain experience of an operator to better grasp due to the influence of the related materials, processes, environment and other factors.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the scheme provides the gluing dialysis paper for the sterilization and packaging of the medical instruments, a double-coating heat sealing layer is adopted, and the structure of the gluing dialysis paper comprises: the medical dialyzing paper base paper (1) is divided into a front surface and a back surface, wherein the front surface is a printing surface (2); the reverse side is a heat sealing layer (3), and the heat sealing layer (3) consists of a bottom coating (4) coated on the dialyzing paper and a surface glue layer (5) coated on the bottom coating. The heat sealing layer (3) is coated on the surface of the dialyzing paper (1) in a frame coating or full coating mode; the application comprises the following steps: a paper bag for self-heat sealing of the dialyzing paper, a paper bag for heat sealing of the dialyzing paper and the laminating paper, a paper-plastic bag for heat sealing of the dialyzing paper and the plastic film, a soft plastic-absorbing heat-sealing package of the dialyzing paper and the stretchable plastic film, and a heat-sealing package product of the dialyzing paper and the medical hard plastic-absorbing box; the packaging bag (box) prepared by the gummed dialyzing paper has the advantages of stable and controllable heat-seal strength, smooth and no paper scrap or paper breakage at the opening, good gas permeability and the like, so that various comprehensive properties are further improved, and the problem in the field is solved.
In order to achieve the purpose, the scheme is achieved through the following technical scheme.
A gummed dialysis paper for sterile packaging of medical instruments, the structure of which comprises: the medical dialyzing paper base paper (1) is divided into a front surface and a back surface, wherein the front surface is a printing surface (2); the reverse side is provided with a heat sealing layer (3), and the heat sealing layer (3) consists of a bottom coating (4) coated on the medical dialyzing paper base paper (1) and a surface glue layer (5) coated on the bottom coating (4).
A rubber coating dialysis paper for medical instrument sterilization packing, the gram weight of dialysis paper body paper (1) is 30~120g/m2。
The adhesive-coated dialysis paper for the sterilization package of the medical instruments is characterized in that the base coating (4) consists of at least one of a solid hot-melt resin coating, an organic solvent type non-hot-melt resin coating, a water-based hot-melt resin coating and a water-based non-hot-melt resin coating.
The glue-coated dialysis paper for sterilizing and packaging the medical instruments is characterized in that the surface glue layer (5) is composed of at least one of a solid hot melt adhesive resin coating, an organic solvent type hot melt adhesive resin coating and a water-based hot melt adhesive resin coating.
A gummed dialysis paper for sterile packaging of medical devices, which, after heat sealing with a substrate (6), has an interlaminar peel force: peeling force F between the medical dialyzing paper base paper (1) and the bottom coating (4)1/4And the peeling force F between the bottom coating (4) and the surface glue layer (5)4/5The peel force F between the surface glue layer (5) and the base material (6)5/6And simultaneously satisfies the following conditions: f1/4＞F4/5、F5/6＞F4/5、1.3N/15mm≦F4/5≦ 8.0N/15 mm; when the gummed dialyzing paper is used alone to make the self-heat-sealing packaging bag, the heat-sealing surface is between the surface glue layer (5) and the surface glue layer (5), and the interlaminar peeling force F is generated after mutual heat sealing5/5And simultaneously satisfies the following conditions: f1/4＞F4/5、F4/5≧F5/5、1.3N/15mm≦F5/5≦ 8.0N/15 mm; the base material (6) includes: medical dialyzing paper, laminating paper, plastic film for paper-plastic bags, soft plastic-absorbing stretchable plastic film and medical hard plastic-absorbing box.
The gluing dialysis paper for sterilizing and packaging the medical instruments is characterized in that a heat sealing layer (3) is coated on the surface of a medical dialysis paper base paper (1) in a frame coating or full coating mode.
A gummed dialysis paper for sterile packaging of medical devices, the use of which comprises: a paper bag of dialyzing paper self-heat-sealed, a paper bag of dialyzing paper and laminating paper heat-sealed, a paper-plastic bag of dialyzing paper and plastic film heat-sealed, a soft plastic-absorbing heat-sealing package of dialyzing paper and stretchable plastic film, and a heat-sealing package product of dialyzing paper and medical hard plastic-absorbing box.
Compare with the rubber coating dialysis paper of traditional single hot melt adhesive type of scribbling, the beneficial effects of the utility model are that: because the composite heat-sealing layer consisting of the base coat and the surface glue layer is adopted, the interlayer peeling force can be designed through the selection of materials, so that the peeling strength of the whole heat-sealing bag (box) can be designed, and the controllable peeling force is realized; due to the fact that the material of the bottom coating is optimized, the peeling interface generated when various packaging bags (boxes) are opened is arranged on the bottom coating through designing the relative magnitude of the peeling force of each layer, peeling is clean, flat, sanitary and reliable, and disqualification phenomena that peeling is not clear, paper scraps fall off or paper is broken due to the fact that the peeling strength between layers is changed due to the change of base materials such as dialysis paper and films are avoided. Meanwhile, the technical scheme has better air permeability of the coated dialyzing paper through the optimization of the material of the bottom coating, can be suitable for various dialyzing paper packaging forms, and has the advantages of wider material and process applicability, stable and controllable heat sealing strength, smooth opening without paper scraps or paper breaking, good air permeability and the like.
Drawings
FIG. 1 is a schematic diagram of a construction of a gummed dialysis paper for sterile packaging of medical devices; FIG. 2 is a schematic view of a heat-sealed structure of the coated dialysis paper used for sterilized packaging of medical devices and other packaging substrates; fig. 3 is a structural schematic diagram of a self-heat-sealing bag made of the gummed dialyzing paper for medical instrument sterilization packaging.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the present application provides a gummed dialysis paper for sterilization packaging of medical instruments, which comprises: the medical dialyzing paper base paper (1) is divided into a front surface and a back surface, wherein the front surface is a printing surface (2); the reverse side is provided with a heat sealing layer (3), and the heat sealing layer (3) consists of a bottom coating (4) coated on the medical dialyzing paper base paper (1) and a surface glue layer (5) coated on the bottom coating (4).
Example 1: in the embodiment, the gram weight of the selected raw paper of the dialyzing paper is 90g/m2。
In this example, the material of the primer layer (4) was selected from ulida 005W dialysis paper water-based primer of Shimanji industries, Ltd, Shanghai, on the selected dialysis paper base paper (1) on a knife anilox roll coater having a hot air drying tunnel system
On the reverse side of (2), a water-based primer was applied in a dry amount of 2.0g/m2。
In this example, the surface adhesive layer (5) is made of ulida 004W dialysis paper water-based heat-sealing adhesive of Shanghai Wanhan practice Co., Ltd, and water-based heat-sealing adhesive is coated on the surface of the coated primer on a scraper anilox roller coating machine with a hot air drying channel system, wherein the coating dry weight is 4.0g/m2And cutting and rolling after coating to obtain the coated dialyzing paper for sterilizing and packaging medical instruments (refer to figure 1).
And (4) testing results: the gummed dialyzing paper is heat-sealed with a base material (6), the base material (6) (refer to fig. 2) selects a medical PVC hard plastic uptake box, PVC plastic uptake boxes produced by three different manufacturers are selected as samples, the number of the PVC plastic uptake box is A, B, C, and the heat-sealing process comprises the following steps: heat-sealing temperature: 120 ℃; heat-sealing time: 2 seconds; heat-seal pressure: 0.5 mPa. Open the manual dialysis paper that seals with above three kinds of PVC heat-seal boxes, observe the opening part, discover the equal smooth clean no wastepaper of the department of tearing of three kinds of boxes, the lines is complete clear, feel comfortable, the heat-seal intensity of test is: a, seed preparation: 4.65N/15mm, B species: 4.55N/15mm, C species: 4.35N/15mm, conclusion: the opening effect and the peeling force of the three medical PVC hard plastic-absorbing boxes after heat sealing are basically consistent, and the performance is stable.
Example 2: in this example, three different samples of the manufacturer of the dialyzing paper base paper were selected, with the numbers: A. b, C, the gram weights are all 60g/m2。
In this example, the material of the primer layer (4) was selected from ulida 005W dialysis paper water-based primer coating agent of Shimanji Kogyo Co., Ltd, and water-based primer coating agents were applied to the reverse surfaces of the three dialysis paper base papers on a knife anilox coater equipped with a hot air drying tunnel system, respectively, at a dry weight of 1.0g/m2。
In this embodiment, the surface adhesive layer (5) is made of ulida 007W dialyzed paper water-based heat-sealing adhesive of Shanghai Wanhan practice Co., Ltd, and water-based heat-sealing adhesive is respectively coated on the surface of the primer coated on the three dialyzed papers on a scraper anilox roller coater with a hot air drying channel system, wherein the coating dry weight is 2.0g/m2And cutting and rolling after coating to obtain the coated dialyzing paper for sterilizing and packaging medical instruments (refer to figure 1).
And (4) testing results: and (3) carrying out heat sealing on the three gummed dialysis papers and the heat-sealed base material (6) PE laminating paper (refer to figure 2) to form a bag, wherein the heat sealing process comprises the following steps: heat-sealing temperature: 140 ℃; heat-sealing time: 0.5 second; heat-seal pressure: 0.5 mPa. The sealing film is manually opened, and the results show that: tear the department, the smooth clean no wastepaper, the lines is complete clear, feel comfortable, the heat-seal intensity of test is: a, seed preparation: 2.75N/15mm, B species: 2.64N/15mm, C species: 2.69N/15mm, conclusion: the opening effect and the peeling force of the three types of dialysis paper after heat sealing are basically consistent, and the performance is stable.
Example 3: in this example, three different samples of the manufacturer of the dialyzing paper base paper were selected, with the numbers: A. b, C, the gram weights are all 60g/m2In the embodiment, the material of the bottom coating (4) is selected from ulida 005W dialysis paper water-based bottom coating agent of Shanghai Wanhan industry Co., Ltd, and is coated on a scraper anilox roller coating machine with a hot air drying channel system,coating water-based primer on the reverse side of the three dialysis paper base papers (1) with the dry weight of 1.5g/m2。
In this example, the surface glue layer (5) material was ulida 001W dialyzed paper water-based heat-seal glue of Shanghai Wanhan industry Co., Ltd, and water-based heat-seal glue was applied to the bottom coated surface of the three types of dialyzed paper coated with the primer on a knife anilox roll coater equipped with a hot air drying tunnel system at a dry weight of 2.0g/m2And cutting and rolling after coating to obtain the coated dialyzing paper for sterilizing and packaging medical instruments (refer to figure 1).
And (4) testing results: the three types of gummed dialysis paper are respectively and separately heat-sealed to form a bag (refer to fig. 3), and the heat-sealing process is as follows: heat-sealing temperature: 160 ℃; heat-sealing time: 0.5 second; heat-seal pressure: 0.5 mPa. The sealing position is manually opened respectively, the opening position is observed, and the following results are found: tear the smooth clean no wastepaper of department, feel comfortable, the heat-seal intensity of test is: a, seed preparation: 2.75N/15mm, B species: 2.64N/15mm, C species: 2.69N/15mm, conclusion: the three types of dialysis paper have basically consistent opening effect and stripping force after self-heating sealing and stable performance.
The above embodiments and the accompanying drawings clearly and completely describe the conception, the specific structure and the produced technical effects of the present invention, so as to fully understand the objects, the features and the effects of the present invention. The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and other modifications and variations obtained by those skilled in the art without inventive work are within the scope of the present invention. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.
Claims (6)
1. A gummed dialysis paper for sterile packaging of medical instruments, characterized in that it structurally comprises: the medical dialyzing paper base paper (1) is divided into a front surface and a back surface, wherein the front surface is a printing surface (2); the reverse side is provided with a heat sealing layer (3), and the heat sealing layer (3) consists of a bottom coating (4) coated on the medical dialyzing paper base paper (1) and a surface glue layer (5) coated on the bottom coating (4).
2. The gummed dialysis paper for the sterilization package of medical instruments as claimed in claim 1, wherein the gram weight of the raw paper (1) of the dialysis paper is 30-120 g/m2。
3. The gummed dialysis paper for sterile packaging of medical instruments as claimed in claim 1, wherein said primer coating (4) is composed of at least one of a solid hot-melt resin coating, an organic solvent type non-hot-melt resin coating, a water-based hot-melt resin coating, and a water-based non-hot-melt resin coating.
4. The gummed dialysis paper for sterile packaging of medical instruments as claimed in claim 1, wherein said top glue layer (5) is comprised of at least one of a solid hot melt adhesive resin coating, an organic solvent based hot melt adhesive resin coating, and an aqueous hot melt adhesive resin coating.
5. A gummed dialysis paper for sterile packaging of medical devices according to claim 1, wherein the interlaminar peel force after heat sealing of the gummed dialysis paper to the substrate (6) is: peeling force F between the medical dialyzing paper base paper (1) and the bottom coating (4)1/4And the peeling force F between the bottom coating (4) and the surface glue layer (5)4/5The peel force F between the surface glue layer (5) and the base material (6)5/6And simultaneously satisfies the following conditions: f1/4＞F4/5、F5/6＞F4/5、1.3N/15mm≦F4/5≦ 8.0N/15 mm; when the gummed dialyzing paper is used alone to make the self-heat-sealing packaging bag, the heat-sealing surface is between the surface glue layer (5) and the surface glue layer (5), and the interlaminar peeling force F is generated after mutual heat sealing5/5And simultaneously satisfies the following conditions: f1/4＞F4/5、F4/5≧F5/5、1.3N/15mm≦F5/5≦ 8.0N/15 mm; the base material (6) includes: plastic film for medical dialysis paper, laminated paper and paper-plastic bag, soft plastic-absorbing stretchPlastic film, medical hard plastic-absorbing box.
6. The gummed dialysis paper for the sterilization package of medical instruments as claimed in claim 1, wherein the heat sealing layer (3) is coated on the surface of the medical dialysis paper base paper (1) in a frame coating or full coating mode.
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| CN202022818200.1U CN213949323U (en) | 2020-11-30 | 2020-11-30 | A rubber coating dialysis paper for medical instrument sterilization packing |
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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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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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