CN217197285U

CN217197285U - High-temperature-resistant easy-to-tear co-extruded film

Info

Publication number: CN217197285U
Application number: CN202220644477.3U
Authority: CN
Inventors: 廖胜东
Original assignee: Foshan Shunde Taihe Packaging Material Co ltd
Current assignee: Foshan Shunde Taihe Packaging Material Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-16
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a high temperature resistant co-extrusion membrane of easily taking off relates to co-extrusion membrane technical field. This high temperature resistant co-extrusion membrane of easily taking off, including the top layer, the bottom on top layer sets up the waterproof drying layer, the waterproof drying layer includes the waterproof layer, the top of waterproof layer and the bottom fixed connection on top layer. The bottom of the waterproof layer is fixedly connected with the top of the drying layer, and the bottom of the drying layer is fixedly connected with the high-temperature-resistant layer. The bottom of the high temperature resistant layer is provided with an environment-friendly antibacterial layer, the environment-friendly antibacterial layer comprises an antibacterial layer, and the top of the antibacterial layer is fixedly connected with the bottom of the high temperature resistant layer. This high temperature resistant co-extrusion membrane of easily taking off through setting up waterproof drying layer, when the drop of water that forms the rainwater through the waterproof layer supports and keeps off, drying layer reaches adsorption effect through absorbing the moisture and changing into the gel, consequently eliminates any possibility that can leak completely, makes the practicality of device better.

Description

High-temperature-resistant easy-to-tear co-extruded film

Technical Field

The utility model relates to a crowded membrane technical field altogether specifically is a high temperature resistant crowded membrane altogether that easily takes off.

Background

In recent years, with the development of flexible packaging technology, the demand for plastic packaging materials is increasing, and in the production and manufacturing process of food grade flexible packages, sterilization by high temperature is often required in order to improve the quality of the packages.

Through the retrieval, utility model patent with publication number CN213413211U discloses a high temperature resistant easily take off crowded membrane altogether, through top layer, heat-resisting layer, nylon rete, resistant layer of cooking, barrier layer and easily take off the cooperation on layer, can bear the high temperature that brings when disinfecting to prevent crowded membrane altogether because of high temperature destroys its inner structure, influence the use of crowded membrane altogether.

The above patents suffer from the following disadvantages: above-mentioned easily take off crowded membrane altogether protects article at the in-process that uses, but in case meet certain rainwater, leads to the drop of water of rainwater formation to pass through the infiltration, gets into the article of crowded membrane protection altogether through crowded membrane altogether gradually, erodes article, leads to the device's protection effect to receive the influence.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high temperature resistant co-extrusion membrane of easily taking off has solved the problem that provides in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a high temperature resistant co-extrusion membrane of easily taking off, includes the top layer, the bottom on top layer sets up the waterproof drying layer, the waterproof drying layer includes the waterproof layer, the top of waterproof layer and the bottom fixed connection on top layer.

Preferably, the bottom of the waterproof layer is fixedly connected with the top of the drying layer, and the bottom of the drying layer is fixedly connected with the high temperature resistant layer.

Preferably, the bottom of the high temperature resistant layer is provided with an environment-friendly antibacterial layer, and the environment-friendly antibacterial layer comprises an antibacterial layer.

Preferably, the top of the antibacterial layer is fixedly connected with the bottom of the high-temperature resistant layer.

Preferably, the bottom of the antibacterial layer is fixedly connected with the top of the environment-friendly layer.

Preferably, the bottom of the environment-friendly layer is fixedly connected with the easy-to-uncover layer.

(III) advantageous effects

The utility model provides a high temperature resistant co-extrusion film that easily takes off. The method has the following beneficial effects:

(1) this high temperature resistant crowded membrane altogether of easily taking off through setting up waterproof drying layer, when the drop of water that forms the rainwater through the waterproof layer keeps out, dry layer reaches the adsorption effect through absorbing the moisture and changing into the gel, consequently eliminates the possibility of any seepage completely, makes the practicality of device better.

(2) This high temperature resistant co-extruded film of easily taking off, through setting up the antibiotic layer of environmental protection, through setting up antibiotic layer, to the in-process of article transportation, it clears away to the bacterium of attaching to the device on the surface in the transportation through antibiotic layer, prevent some bacterium corrosion device surfaces, set up the environmental protection layer simultaneously, make the device when the garbage station is handled, the environmental protection layer can make the device retrieve the back, this environmental protection layer of reuse, the environmental protection effect that makes the device is better through retrieving and recycling performance.

Drawings

FIG. 1 is a schematic structural view of the device of the present invention;

fig. 2 is a schematic structural diagram of the cross-section of the device of the present invention.

In the figure: 1. a surface layer; 2. a waterproof dry layer; 201. a waterproof layer; 202. drying the layer; 3. a high temperature resistant layer; 4. an environment-friendly antibacterial layer; 401. an antimicrobial layer; 402. an environmental protection layer; 5. the layer is easy to tear off.

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 present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a high-temperature-resistant easy-to-tear co-extrusion film comprises a surface layer 1, wherein a waterproof drying layer 2 is arranged at the bottom of the surface layer 1, the waterproof drying layer 2 comprises a waterproof layer 201, the waterproof layer 201 is a polytetrafluoroethylene filling layer, polytetrafluoroethylene is also called a waterproof breathable film and is generally called a non-stick coating or easily cleaned wok material; is an artificially synthesized high molecular material which uses fluorine to replace all hydrogen atoms in polyethylene. The material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is almost insoluble in all solvents. Meanwhile, the waterproof breathable film has the characteristic of high temperature resistance, the friction coefficient of the waterproof breathable film is extremely low, the top of the waterproof layer 201 is fixedly connected with the bottom of the surface layer 1, the bottom of the waterproof layer 201 is fixedly connected with the top of the drying layer 202, the drying layer 202 is a calcium chloride filling layer, a calcium chloride drying agent is a high-efficiency adsorption material, and the main components of the calcium chloride drying agent are calcium chloride and colloidal starch. Chemically reacting the water molecules with the calcium chloride, absorbing moisture from the surrounding environment and converting it into a gel, to achieve an adsorptive effect, thus completely eliminating any possibility of leakage. Common silica gel desiccants can only absorb 10% -27% of their own weight, whereas calcium chloride desiccants can reach 300%. The moisture absorption rate is 8-15 times of that of the common desiccant, and the desiccant does not evaporate after completely absorbing moisture. After the common desiccant absorbs moisture, when the common desiccant encounters high temperature, water vapor can evaporate and enter the air again, and the calcium chloride desiccant can fuse the water vapor and the calcium chloride into a colloid, is not easy to evaporate and can be used at the ambient temperature of minus 5-90 ℃. The calcium chloride desiccant has the advantages that the active ingredients of the calcium chloride desiccant are good in stability, the calcium chloride desiccant is difficult to react with other substances except water, the calcium chloride desiccant can be used in almost all marine environments, the high-temperature-resistant layer 3 is fixedly connected to the bottom of the drying layer 202, and the high-temperature-resistant layer 3 is made of a polyurethane cooking glue layer.

In this embodiment, the bottom of the high temperature resistant layer 3 is provided with the environment-friendly antibacterial layer 4, the environment-friendly antibacterial layer 4 includes an antibacterial layer 401, the top of the antibacterial layer 401 is fixedly connected with the bottom of the high temperature resistant layer 3, the antibacterial layer 401 is an inorganic antibacterial agent filling layer, the inorganic antibacterial agent filling layer utilizes the antibacterial ability of metals such as silver, copper, zinc, etc., metals such as silver, copper, zinc, etc. (or ions thereof) are fixed on the surface of porous materials such as fluorite, silica gel, etc. by methods such as physical adsorption ion exchange, etc. to prepare the antibacterial agent, and then the antibacterial agent is added into corresponding products to obtain the material with antibacterial ability. Metals such as mercury, cadmium, lead and the like also have antibacterial capacity, but are harmful to human bodies; ions such as copper, nickel, cobalt and the like have colors and affect the appearance of products, and zinc has certain antibacterial property, but the antibacterial strength of zinc is only 1/1000 of silver ions. Therefore, the silver ion antibacterial agent has a dominant role in inorganic antibacterial agents, and the silver ion antibacterial agent is the most commonly used antibacterial agent, is white fine powder and has the heat resistance temperature of more than 270 ℃. The carrier of the silver ion antibacterial agent includes zeolite, ceramic, activated carbon, and the like. Sometimes, in order to improve the synergistic effect, some copper ions and zinc ions are added, in addition, inorganic antibacterial agents such as zinc oxide, copper oxide, ammonium dihydrogen phosphate, lithium carbonate and the like are added, the bottom of the antibacterial layer 401 is fixedly connected with the top of the environment-friendly layer 402, the environment-friendly layer 402 is a polystyrene filling layer, and the selection of a packaging material with good recycling and reusing performance is one of effective ways for realizing green packaging. Polystyrene (PET) is a recyclable, clean, high quality plastic package commonly used for beverage packaging.

In this embodiment, the bottom of the environmental protection layer 402 is fixedly connected to the easy-to-tear layer 5, and the easy-to-tear layer 5 is formed by compounding a polyvinyl chloride layer 61 and a polystyrene layer 62.

The during operation (or during the use), this co-extrusion membrane that high temperature resistant was easily torn off is at the in-process that uses, through setting up waterproof drying layer 2, when carrying out the fender to the drop of water that the rainwater formed through waterproof layer 201, the drying layer 202 that waterproof layer 201 bottom set up, drying layer 202 is through absorbing the moisture and turning into the gel, reach adsorption effect, consequently, eliminate any possibility that can leak completely, make the device can not only keep out the infiltration of drop of water to the device, make the device use waterproof layer 201 can not receive the drop of water through drying effect simultaneously and pile up and receive the influence, make the practicality of device better.

Set up the antibiotic layer 4 of environmental protection simultaneously, through setting up antibiotic layer 401, in the process of article transportation, the bacterium of adhering to on the device surface in the transportation is clear away through antibiotic layer 401, prevent that some bacterium from corroding the device surface, perhaps cover and go mildy on the device surface, the protective effect that leads to the device reduces or becomes invalid, set up environmental protection layer 402 simultaneously, make article successfully send to the user after hand, the user dismantles the device, after taking out article, the device is thrown away behind the garbage bin, because the device sets up environmental protection layer 402, make the device handle in the garbage station, environmental protection layer 402 can make the device retrieve the back, reuse this environmental protection layer 402, the environmental protection effect through retrieving and the good messenger's device of reusability is better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high temperature resistant coextruding film that easily tears off, includes top layer (1), its characterized in that: the bottom on top layer (1) sets up waterproof drying layer (2), waterproof drying layer (2) include waterproof layer (201), the top of waterproof layer (201) and the bottom fixed connection on top layer (1).

2. The co-extruded film with high temperature resistance and easy uncovering of claim 1, wherein: the bottom of the waterproof layer (201) is fixedly connected with the top of the drying layer (202), and the bottom of the drying layer (202) is fixedly connected with the high-temperature-resistant layer (3).

3. The co-extruded film with high temperature resistance and easy uncovering of claim 2, wherein: the bottom of the high temperature resistant layer (3) is provided with an environment-friendly antibacterial layer (4), and the environment-friendly antibacterial layer (4) comprises an antibacterial layer (401).

4. The high temperature resistant easy-uncovering co-extruded film according to claim 3, characterized in that: the top of the antibacterial layer (401) is fixedly connected with the bottom of the high temperature resistant layer (3).

5. The high temperature resistant easy-uncovering co-extruded film according to claim 4, wherein: the bottom of the antibacterial layer (401) is fixedly connected with the top of the environment-friendly layer (402).

6. The co-extruded film with high temperature resistance and easy uncovering of claim 5, wherein: the bottom of the environment-friendly layer (402) is fixedly connected with the easy-to-uncover layer (5).