CN215512674U

CN215512674U - Novel extinction gasket

Info

Publication number: CN215512674U
Application number: CN202120720371.2U
Authority: CN
Inventors: 戴旭强; 姚立
Original assignee: Guangzhou Jiaxu Packaging Material Co ltd
Current assignee: Guangzhou Jiaxu Packaging Material Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2022-01-14
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a novel extinction gasket, and relates to the technical field of packaging materials. The matte film comprises a substrate layer, wherein the substrate layer is formed by clamping an aluminum foil layer and a foam layer, the upper surface of the substrate layer is provided with a matte layer, the middle part of one side of the substrate layer, which is far away from the matte layer, is provided with a pressure-resistant layer, the lower surface of the pressure-resistant layer is provided with an anti-adhesion layer, and the matte layer is a matte film consisting of the anti-adhesion layer, a core layer, a matte secondary layer and a matte main layer. According to the utility model, the extinction film consisting of the anti-adhesion layer, the core layer, the extinction secondary layer and the extinction main layer is arranged on the upper surface of the base material layer, so that the extinction efficiency can be greatly improved, the light irradiation rate is reduced, and the problem that the medicine is damaged due to the fact that light rays irradiate through the bottle cap is solved.

Description

Novel extinction gasket

Technical Field

The utility model belongs to the technical field of packaging materials, and particularly relates to a novel extinction gasket.

Background

The lightproof drugs have poor stability and are easy to be oxidized, decomposed, discolored and the like when being exposed to light, particularly, some chemotherapeutic drugs can be dissolved to have complex reactions such as ring cleavage, rearrangement, hydrolysis, polymerization, oxidation, isomerization and the like, and the processes of the reactions can be catalyzed under the condition of illumination. Therefore, light-shielding drugs require extra attention to light shielding. The light-resistant of medicine mainly includes the light-resistant in the storage process and the light-resistant in the use, when to the storage of medicine, places the medicine in brown medicine bottle usually to reach certain light-resistant effect, but bottle lid department is the weak department of light-resistant, and light penetrates the bottle lid and still can shine on the medicine in the medicine bottle, causes the damage to the medicine.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the related art, the present invention provides a novel extinction spacer to overcome the above technical problems in the related art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a novel extinction gasket which comprises a base material layer, wherein the base material layer is formed by clamping an aluminum foil layer and a foam layer, an extinction layer is arranged on the upper surface of the base material layer, an anti-pressure layer is arranged in the middle of one side, away from the extinction layer, of the base material layer, an anti-adhesion layer is arranged on the lower surface of the anti-pressure layer, and the extinction layer is an extinction film consisting of an anti-adhesion layer, a core layer, an extinction secondary layer and an extinction main layer.

Further, the anti-blocking layer consists of 95-99 wt% of polypropylene grafted maleic anhydride and 1-5 wt% of anti-adhesion master batch; the anti-sticking master batch consists of 30-50 wt% of glass beads and 50-70 wt% of homopolymerized polypropylene.

Further, the core layer consists of 98-99.5 wt% of homopolymerized polypropylene and 0.5-2 wt% of quaternary ammonium salt antistatic agent.

Furthermore, the extinction main layer and the extinction secondary layer are of a double-layer extinction structure prepared from BOPP extinction master batch.

Furthermore, the anti-pressure layer is made of foam cotton, and the anti-adhesion layer in the extinction layer are the same in material structure.

The utility model has the following beneficial effects:

1. according to the utility model, the extinction film consisting of the anti-adhesion layer, the core layer, the extinction secondary layer and the extinction main layer is arranged on the upper surface of the base material layer, so that the extinction efficiency can be greatly improved, the light irradiation rate is reduced, and the problem that the medicine is damaged due to the fact that light rays irradiate through the bottle cap is solved.

2. The pressure-resistant layer is arranged on the lower surface of the base material layer, so that the pressure-resistant capacity of the gasket can be effectively improved, and the sealing performance of the medicine bottle is improved when the bottle is screwed down; the anti-adhesion layer is arranged on the lower surface of the compression-resistant layer, so that the medicine can be effectively prevented from being adhered to the gasket after the medicine bottle is inverted.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

FIG. 1 is a layered structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a matte layer of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a substrate layer; 2. a matte layer; 201. an anti-blocking layer; 202. a core layer; 203. a matte sublayer; 204. a matte main layer; 3. a pressure resistant layer; 4. and an anti-blocking layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the present invention, it is to be understood that the terms "open", "upper", "lower", "top", "middle", "inner", and the like, indicate positional or orientational relationships and are used merely for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Referring to fig. 1-2, the novel extinction gasket comprises a substrate layer 1, wherein the substrate layer 1 is formed by sandwiching an aluminum foil layer and a foam layer, an extinction layer 2 is arranged on the upper surface of the substrate layer 1, an anti-pressure layer 3 is arranged in the middle of one side of the substrate layer 1, which is far away from the extinction layer 2, an anti-adhesion layer 4 is arranged on the lower surface of the anti-pressure layer 3, and the extinction layer 2 is an extinction film composed of an anti-adhesion layer 201, a core layer 202, an extinction secondary layer 203 and an extinction main layer 204.

In one embodiment, for the anti-blocking layer 201 described above, the anti-blocking layer 201 is comprised of polypropylene grafted maleic anhydride 95-99 wt% and anti-sticking masterbatch 1-5 wt%; the anti-sticking master batch consists of 30-50 wt% of glass beads and 50-70 wt% of homopolymerized polypropylene, so that the adhesion force of the BOPP extinction film and glue is improved by selecting polypropylene grafted maleic anhydride through the anti-sticking layer 201, and the composite peel strength is more than 3.5N/15 mm.

In an embodiment, for the core layer 202, the core layer 202 is composed of 98-99.5 wt% of homo-polypropylene and 0.5-2% of quaternary ammonium antistatic agent, so that the ductility of the BOPP matt film can be effectively improved by adopting the homo-polypropylene with low polymerization degree and high melt index for the core layer 202, and the BOPP matt film can be favorably compounded with high-ductility films such as CPP or CPE, and the internal stress after compounding is reduced.

In one embodiment, for the extinction main layer 204 and the extinction sub-layer 203, the extinction main layer 204 and the extinction sub-layer 203 are both of a double-layer extinction structure made of BOPP extinction master batch, so that the BOPP extinction film is uniform and fine, the haze is greater than 80%, and the glossiness is less than 15% through the double-layer extinction structure.

In one embodiment, for the above-mentioned anti-pressure layer 3 and anti-adhesion layer 4, the anti-pressure layer 3 is made of foam cotton, and the anti-adhesion layer 4 and the anti-adhesion layer 201 in the extinction layer 2 are made of the same material, so that the stress degree of the gasket is improved through the anti-pressure layer 3, the sealing performance of the gasket can be effectively improved when the bottle cap is screwed down, and the anti-adhesion layer 4 can effectively prevent foreign matters from adhering to the gasket.

In conclusion, by means of the technical scheme, the gasket is placed at the bottle cap of the light-resistant tablet, so that the components of the tablet are effectively prevented from being lost due to the fact that light penetrates through the tablet and irradiates on the tablet; the extinction layer 2 is an extinction film composed of an anti-adhesion layer 201, a core layer 202, an extinction secondary layer 203 and an extinction main layer 204, the core layer 202 is made of homopolymerized polypropylene with low polymerization degree and high melting index, the ductility of the BOPP extinction film can be effectively improved, the BOPP extinction film can be favorably compounded with high-ductility films such as CPP (chlorinated polypropylene) or CPE (chlorinated polyethylene), and the internal stress after compounding is reduced; the anti-adhesion layer 201 is formed by grafting polypropylene with maleic anhydride, so that the adhesion force of the BOPP extinction film and glue is improved, and the composite peel strength is more than 3.5N/15 mm; the extinction main layer and the extinction secondary layer 204 are of a double-layer extinction structure made of BOPP extinction master batch, so that the BOPP extinction film is uniform and fine, the haze is more than 80%, and the glossiness is less than 15%; the extinction film is arranged on the upper surface of the base material layer 1, so that extinction efficiency can be greatly improved, and further, light irradiation rate is reduced, the problem that light rays penetrate through a bottle cap to damage medicines is solved, the pressure resistance of the gasket can be effectively improved by arranging the pressure resistant layer 3 on the lower surface of the base material layer 1, and the sealing performance of a medicine bottle is improved when the bottle is screwed down; the anti-adhesion layer 4 is arranged on the lower surface of the compression-resistant layer 3, so that the medicine can be effectively prevented from being adhered to the gasket after the medicine bottle is inverted.

By the technical scheme, 1, the extinction film consisting of the anti-adhesion layer 201, the core layer 202, the extinction secondary layer 203 and the extinction main layer 204 is arranged on the upper surface of the base material layer 1, so that the extinction efficiency can be greatly improved, the light irradiation rate is reduced, and the problem that the medicine is damaged due to the fact that light rays irradiate and penetrate through the bottle cap is solved; 2. the pressure resistance of the gasket can be effectively improved by arranging the pressure resistant layer 3 on the lower surface of the base material layer 1, so that the sealing performance of the medicine bottle is improved when the bottle is screwed down; the anti-adhesion layer 4 is arranged on the lower surface of the compression-resistant layer 3, so that the medicine can be effectively prevented from being adhered to the gasket after the medicine bottle is inverted.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to help illustrate the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and its practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a novel extinction gasket, includes substrate layer (1), substrate layer (1) has aluminium foil layer and foam layer to sandwich and form its characterized in that: the upper surface of substrate layer (1) is provided with extinction layer (2), substrate layer (1) is kept away from one side middle part of extinction layer (2) is provided with anti-pressure layer (3), the lower surface of anti-pressure layer (3) is provided with anti-adhesion layer (4), extinction layer (2) is the extinction film that comprises anti-adhesion layer (201), sandwich layer (202), extinction sublayer (203), extinction main layer (204).

2. A novel matting shim according to claim 1 characterised in that said anti-blocking layer (201) consists of polypropylene grafted maleic anhydride 95-99 wt% and anti-blocking masterbatch 1-5 wt%; the anti-sticking master batch consists of 30-50 wt% of glass beads and 50-70 wt% of homopolymerized polypropylene.

3. A novel matted gasket according to claim 1, wherein said core layer (202) is comprised of 98-99.5 wt% homo polypropylene and 0.5-2% quaternary ammonium antistatic agent.

4. A novel matting spacer according to claim 1 characterized in that the matting main layer (204) and the matting sub-layer (203) are both a double layer matting structure made from BOPP matting masterbatch.

5. A novel extinction gasket according to claim 1, characterized in that the pressure resistant layer (3) is made of foam cotton, and the anti-adhesion layer (4) and the anti-adhesion layer (201) in the extinction layer (2) are made of the same material structure.