CN218966323U

CN218966323U - Stretch-proof high-strength medical protective film

Info

Publication number: CN218966323U
Application number: CN202223157038.9U
Authority: CN
Inventors: 顾锁娟; 陈云; 张彩荣
Original assignee: Changzhou Huajian Pharmaceutical Packaging Material Co ltd
Current assignee: Changzhou Huajian Pharmaceutical Packaging Material Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-05
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a stretch-proof high-strength medical protective film, and relates to the technical field of medicines. The utility model discloses a set up inlayer, antibiotic layer, first aluminium foil layer, the middle level, the second aluminium foil layer has played the effect that has high strength with preventing scraping outer, utilize CPP material middle level to be basic unit composite two-layer aluminium foil, double-deck aluminium foil makes the protection film be difficult for tensile, strengthen bulk strength greatly, high strength has, stretch-proofing effect is good, the inlayer that utilizes the PO material has shock-resistant and stress-resistant effect, play better guard effect to the medicine, and be provided with the antibiotic layer that adopts nano silver material on the inlayer, the surface of protection film contact medicine has good antibacterial property, prevent scraping the outer adoption three-layer PET and prevent scraping the membrane, have good scratch effect, the surface has better guard effect, utilize the PO material inlayer, CPP material middle level and PET material prevent scraping the outer, have good heat resistance, difficult deformation in the time of high temperature disinfection.

Description

Stretch-proof high-strength medical protective film

Technical Field

The utility model relates to the technical field of medicines, in particular to a stretch-proof high-strength medical protective film.

Background

In the process of medicine packaging, a protective film is required to be used for packaging protection, and in order to ensure the safety of medicine transportation and storage, the medicine is required to be protected by the stretch-proofing high-light protective film so as to ensure the medical effect of the medicine.

The prior Chinese patent document with publication number of CN207291145UX relates to a polyolefin film for food and medicine packaging, which comprises a bonding layer, a supporting layer and a sealing layer which are bonded in sequence; the bonding layer comprises a composite film of two or three materials of low-density polyethylene, metallocene linear low-density polyethylene and polyolefin elastomer, and the supporting layer comprises a film of any one or more than two materials of medium-density polyethylene film, high-density polyethylene film and metallocene polyethylene; the sealing layer comprises a composite film of at least two materials of metallocene polyethylene, polyolefin elastomer composite film and metallocene linear low density polyethylene. The three layers are mainly composed of different polyethylenes and have excellent composite strength with different materials, and the food and medical packaging material with excellent comprehensive properties, which has excellent mechanical properties, processing properties and safety properties, is obtained by utilizing the synergistic effect among the bonding layer, the supporting layer and the sealing layer.

In the above-mentioned documents, the film has the advantages of excellent comprehensive properties, such as excellent mechanical properties, processability and safety properties, but the main components of the three layers are respectively different polyethylenes, and the film has limited overall strength improvement due to the lack of other materials for supplementing the strength of the polyethylene materials.

Disclosure of Invention

The present utility model is directed to providing a stretch resistant, high strength medical protective film that addresses the problems set forth in the background.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a stretch-proofing high strength medical protection film, includes inlayer, antibiotic layer, first aluminium foil layer, middle level, second aluminium foil layer and prevents scraping outer, antibiotic layer coats in the bottom of inlayer, bond through first bond line between inlayer and the first aluminium foil layer, bond through the second bond line between first aluminium foil layer and the middle level, bond through the third bond line between middle level and the second aluminium foil layer, bond through the fourth bond line between second aluminium foil layer and the anti-scraping outer.

Furthermore, the inner layer is made of PO material, in particular poly 4-methyl-1-pentene material, the thickness of the inner layer is 5-8 microns, the impact resistance and stress resistance effects are achieved, and a better protection effect is achieved on medicines.

Further, the antibacterial layer is a nano silver coating, the thickness of the antibacterial layer is 2-5 microns, and the antibacterial layer has good antibacterial property.

Further, the first aluminum foil layer and the second aluminum foil layer are made of annealed soft aluminum foil materials, the thickness of the first aluminum foil layer and the second aluminum foil layer is 5-10 micrometers, the overall strength is greatly enhanced, the strength is high, and the stretching resistance effect is good.

Further, the middle layer is made of CPP material, the thickness of the middle layer is 5-10 microns, and the heat resistance is good.

Further, the scratch-resistant outer layer is a three-layer PET scratch-resistant film, the scratch-resistant outer layer is formed by coating a special protective adhesive on a transparent optical polyester film, then attaching a transparent polyester film release film, attaching a transparent polyester film protective film on a hardening treatment surface, and the thickness of the scratch-resistant outer layer is 15-30 micrometers, so that the scratch-resistant outer layer has a good scratch-resistant effect, and the outer surface has a better protective effect.

Further, the first bonding layer, the second bonding layer, the third bonding layer and the fourth bonding layer are made of polyurethane glue, the thicknesses of the first bonding layer, the second bonding layer, the third bonding layer and the fourth bonding layer are 3-5 microns, and the connection tightness of the first aluminum foil layer, the second aluminum foil layer and other layers is enhanced.

Compared with the prior art, the utility model has the following beneficial effects:

1. this stretch-proofing high strength medical protection film has played the effect that has high strength through setting up inlayer, antibiotic layer, first aluminium foil layer, middle level, second aluminium foil layer and scratch-resistant skin, utilize CPP material middle level to be basic unit composite two-layer aluminium foil, double-deck aluminium foil makes the protection film be difficult for stretching, strengthen bulk strength greatly, have high strength, stretch-proofing is effectual, the inlayer of utilizing the PO material has impact-resistant and stress-resistant effect, play better guard effect to the medicine, and be provided with the antibiotic layer that adopts nano silver material on the inlayer, the surface that the protection film contacted the medicine has good antibacterial property;

the scratch-resistant outer layer adopts three layers of PET scratch-resistant films, so that the scratch-resistant outer layer has a good scratch-resistant effect, and the outer surface has a better protective effect;

by utilizing the PO material inner layer, the CPP material middle layer and the PET material scratch-resistant outer layer, has good heat resistance and is not easy to deform during high-temperature sterilization.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is an enlarged schematic view of the present utility model at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the present utility model at B in FIG. 1;

fig. 4 is an enlarged schematic view of the present utility model at C in fig. 1.

In the figure: 1. an inner layer; 2. an antimicrobial layer; 3. a first aluminum foil layer; 4. a middle layer; 5. a second aluminum foil layer; 6. an anti-scratch outer layer; 7. a first adhesive layer; 8. a second adhesive layer; 9. a third adhesive layer; 10. and a fourth adhesive layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The anti-stretching high-strength medical protective film shown in the figures 1-4 comprises an inner layer 1, an antibacterial layer 2, a first aluminum foil layer 3, a middle layer 4, a second aluminum foil layer 5 and a scratch-resistant outer layer 6, wherein the antibacterial layer 2 is coated at the bottom of the inner layer 1, the inner layer 1 is bonded with the first aluminum foil layer 3 through a first bonding layer 7, the first aluminum foil layer 3 is bonded with the middle layer 4 through a second bonding layer 8, the middle layer 4 is bonded with the second aluminum foil layer 5 through a third bonding layer 9, and the second aluminum foil layer 5 is bonded with the scratch-resistant outer layer 6 through a fourth bonding layer 10;

the inner layer 1 is made of PO material, specifically poly 4-methyl-1-pentene material, and the thickness of the inner layer 1 is 5-8 micrometers.

The antibacterial layer 2 is a nano silver coating, and the thickness of the antibacterial layer 2 is 2-5 micrometers;

the first aluminum foil layer 3 and the second aluminum foil layer 5 are made of annealed soft aluminum foil materials, and the thickness of the first aluminum foil layer 3 and the second aluminum foil layer 5 is 5-10 micrometers;

the middle layer 4 is made of CPP material, and the thickness of the middle layer 4 is 5-10 micrometers;

the scratch-resistant outer layer 6 is a three-layer PET scratch-resistant film, the scratch-resistant outer layer 6 is formed by coating a special protective adhesive on a transparent optical polyester film, then attaching a transparent polyester film release film, and attaching a transparent polyester film protective film on a hardening treatment surface, wherein the thickness of the scratch-resistant outer layer 6 is 15-30 micrometers;

the first bonding layer 7, the second bonding layer 8, the third bonding layer 9 and the fourth bonding layer 10 are made of polyurethane glue, and the thicknesses of the first bonding layer 7, the second bonding layer 8, the third bonding layer 9 and the fourth bonding layer 10 are 3-5 micrometers.

The implementation mode specifically comprises the following steps: when in use, the bottom and the top of the middle layer 4 made of CPP material are respectively adhered with the first aluminum foil layer 3 and the second aluminum foil layer 5 through the second adhesive layer 8 and the third adhesive layer 9, the middle layer 4 made of CPP material is used as a base layer to be compounded with two layers of aluminum foils, the double-layer aluminum foils enable the protective film not to be easily stretched, the whole strength is greatly enhanced, the protective film has high strength, the stretching resistance effect is good, the first adhesive layer 7, the second adhesive layer 8, the third adhesive layer 9 and the fourth adhesive layer 10 are made of polyurethane materials, the connection tightness between the first aluminum foil layer 3 and the second aluminum foil layer 5 and other layers is enhanced, the scraping prevention outer layer 6 is made of three layers of PET scraping prevention films, the protective film has good scraping prevention effect, the outer surface has better protective effect, the inner layer 1 made of poly 4-methyl-1-pentene material has impact resistance and stress resistance effects, and plays a better protective effect on medicines, the inner layer 1 is provided with the antibacterial layer 2 made of nano silver, the surface of the protective film contacting the medicine has good antibacterial property, the PO inner layer 1, the CPP middle layer 4 and the PET scratch-resistant outer layer 6 are utilized, good heat resistance is achieved, the protective film is not easy to deform in high-temperature sterilization, the structure plays a role of high strength, the CPP middle layer 4 is used as a base layer to be compounded with two layers of aluminum foils, the protective film is not easy to stretch, the integral strength is greatly enhanced, the protective film has high strength and good stretching resistance effect, the inner layer 1 made of PO has impact resistance and stress resistance effect, better protective effect is achieved on the medicine, the inner layer 1 is provided with the antibacterial layer 2 made of nano silver, the surface of the protective film contacting the medicine has good antibacterial property, the scratch-resistant outer layer 6 is made of three layers of PET scratch-resistant film, good scratch-resistant effect is achieved, the outer surface has better protective effect, utilizes PO material inlayer 1, CPP material middle level 4 and PET material to prevent scraping skin 6, has good heat resistance, difficult deformation in the time of the high temperature disinfection.

The working principle of the utility model is as follows:

referring to the drawings 1-4 of the specification, the inner layer 1, the antibacterial layer 2, the first aluminum foil layer 3, the middle layer 4, the second aluminum foil layer 5 and the scratch-resistant outer layer 6 play a role in high strength, the CPP material middle layer 4 is used as a base layer to be compounded with two layers of aluminum foils, the protective film is not easy to stretch, the overall strength is greatly enhanced, the protective film has high strength, the stretching resistance effect is good, the PO material inner layer 1 has the impact resistance and stress resistance effects, the medical protection effect is better, the antibacterial layer 2 made of nano silver material is arranged on the inner layer 1, and the surface of the protective film, which is contacted with the medical, has good antibacterial property;

the scratch-resistant outer layer 6 adopts a three-layer PET scratch-resistant film, has good scratch-resistant effect, and has better protective effect on the outer surface;

the PO material inner layer 1, the CPP material middle layer 4 and the PET material scratch-resistant outer layer 6 are utilized, so that the anti-scratch plastic has good heat resistance and is not easy to deform in high-temperature sterilization.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Stretch-proofing high strength medical protection film, including inlayer (1), antibiotic layer (2), first aluminium foil layer (3), middle level (4), second aluminium foil layer (5) and prevent scraping skin (6), its characterized in that: the antibacterial layer (2) is coated at the bottom of the inner layer (1), the inner layer (1) is bonded with the first aluminum foil layer (3) through a first bonding layer (7), the first aluminum foil layer (3) is bonded with the middle layer (4) through a second bonding layer (8), the middle layer (4) is bonded with the second aluminum foil layer (5) through a third bonding layer (9), and the second aluminum foil layer (5) is bonded with the scratch-resistant outer layer (6) through a fourth bonding layer (10).

2. The stretch resistant high strength medical protective film according to claim 1, wherein: the inner layer (1) is made of PO material, and the thickness of the inner layer (1) is 5-8 microns.

3. The stretch resistant high strength medical protective film according to claim 1, wherein: the antibacterial layer (2) is a nano silver coating, and the thickness of the antibacterial layer (2) is 2-5 microns.

4. The stretch resistant high strength medical protective film according to claim 1, wherein: the first aluminum foil layer (3) and the second aluminum foil layer (5) are made of annealed soft aluminum foil materials, and the thickness of the first aluminum foil layer (3) and the second aluminum foil layer (5) is 5-10 micrometers.

5. The stretch resistant high strength medical protective film according to claim 1, wherein: the middle layer (4) is made of CPP material, and the thickness of the middle layer (4) is 5-10 microns.

6. The stretch resistant high strength medical protective film according to claim 1, wherein: the scratch-resistant outer layer (6) is a three-layer PET scratch-resistant film, and the thickness of the scratch-resistant outer layer (6) is 15-30 microns.

7. The stretch resistant high strength medical protective film according to claim 1, wherein: the first bonding layer (7), the second bonding layer (8), the third bonding layer (9) and the fourth bonding layer (10) are made of polyurethane glue, and the thicknesses of the first bonding layer (7), the second bonding layer (8), the third bonding layer (9) and the fourth bonding layer (10) are 3-5 microns.