CN112498988A

CN112498988A - Functional heat preservation box made of nano synthetic material and capable of being recycled and sterilizing

Info

Publication number: CN112498988A
Application number: CN202011131218.2A
Authority: CN
Inventors: 靳宏洲
Original assignee: Luoruier Nanometer Synthetic Material Jiangsu Co ltd
Current assignee: Luoruier Nanometer Synthetic Material Jiangsu Co ltd
Priority date: 2020-06-04
Filing date: 2020-10-21
Publication date: 2021-03-16
Also published as: CN111532589A; CN111674731A

Abstract

The invention discloses a recyclable functional insulation can with sterilization function made of a nano synthetic material, and belongs to the technical field of cold-chain logistics packaging. The polyethylene film or the polypropylene film and the polyethylene foam cotton or the polypropylene foam cotton are arranged in a multi-layer and spaced mode; the polyethylene film or the polypropylene film is a synthetic material including aerogel; and/or the polyethylene foam or polypropylene foam is a synthetic material comprising aerogel; PP and/or PE and nano zinc and/or chitosan and/or quaternary ammonium salt and/or nano silver are synthesized into the long-acting broad-spectrum antibacterial material. The nano synthetic material heat insulation layer provided by the invention is light and thin, has a good heat insulation effect and low manufacturing cost, and the manufactured heat insulation box has a small transportation volume and reduces the transportation cost.

Description

Functional heat preservation box made of nano synthetic material and capable of being recycled and sterilizing

Technical Field

The invention relates to a recyclable functional insulation can with sterilization function made of a nano synthetic material, and belongs to the technical field of cold-chain logistics insulation packaging.

Background

With the rapid rise and rapid development of the logistics industry, more and more goods are required to be transported in a cold chain and in a heat preservation mode in the current market, and the existing transport packaging and heat preservation box has a plurality of pain points;

the most economical transportation mode at present is to adopt disposable foam boxes, and the use of the foam boxes in large quantity causes great pressure on the human environment. Although insulation boxes are used in the market, the problems of high manufacturing cost and poor insulation performance exist to different degrees, in order to increase the insulation effect, the box body is heavy and the logistics cost is high and difficult to reduce by means of increasing the thickness of the box body, increasing refrigerants and the like;

the insulation can is difficult to recycle, which causes high and difficult transportation cost, when goods are transported to a destination for unloading, if the insulation can is transported back for recycling, the volume of the insulation can cannot be reduced, the insulation can still need to be transported by vehicles with the same specification in a transportation process, and the logistics cost is increased;

the application function of the heat preservation box is single, the transportation of different goods does not have universality, and the heat preservation box generally has only one cavity and cannot meet the requirement of simultaneously delivering the goods with different heat preservation requirements; the transportation requirements of special products such as high-end fruits, fresh flowers, fresh and live aquatic products, high-end seafood and the like can not be met; the insulation can is large in size, difficult to carry when the goods are heavy, and labor intensity of workers is increased.

The insulation can has various transportation products and is difficult to avoid stains and bloody water. Although the logistics company has cleaning and disinfection, the cleaning and disinfection are completely clear and difficult, and various bacteria still have living spaces.

Disclosure of Invention

In order to solve the problems, the invention provides a thermal insulation layer made of a nano synthetic material, which comprises a polyethylene film or a polypropylene film and polyethylene foam cotton or polypropylene foam cotton, wherein the polyethylene film or the polypropylene film and the polyethylene foam cotton or the polypropylene foam cotton are arranged in a plurality of layers at intervals;

the polyethylene film or the polypropylene film is a synthetic material including aerogel;

and/or the polyethylene foam or polypropylene foam is a composite comprising aerogel.

The invention also provides a recycling functional insulation can, which comprises a can body and a can cover, wherein the can body is formed by splicing or integrally molding insulation boards, and the insulation boards comprise:

inner layer: a PP layer or a PE layer or a PP + PE composite material layer;

an intermediate layer: the nano-synthetic material heat-insulating layer or the polyurethane material or the polystyrene foam of claim 1;

outer layer: a PP layer or a PE layer or a PP + PE composite material layer or a hollow plate.

In one embodiment of the invention, the area of the opening on the box body is larger than the area of the box bottom, and the box body is configured to enable insulation boxes with the same specification to be stacked. The transportation volume can be effectively reduced when the insulation can is recycled.

In one embodiment of the invention, the bottom of the incubator is provided with a detachable pulley. The carrying is convenient.

In an embodiment of the present invention, a detachable temperature zone partition plate is disposed inside the thermal insulation box, and a temperature zone partition plate slot is disposed on a side wall of the thermal insulation box. In same insulation can, the goods of different cold-stored temperatures can be separately stored, and a plurality of warm area division boards can be placed to insulation can inside, have a plurality of warm area division board slots on the insulation can lateral wall.

In one embodiment of the invention, the tank or the cover is provided with a nano vent and/or a vent valve and/or a vent membrane. The air holes are provided with membranes made of nano materials, so that waste gas can be discharged in a single direction, and the air holes can be used for transporting fruits, vegetables and flowers.

In one embodiment of the invention, the tank or tank cover is provided with an oxygen pump. Can be used for transporting fresh and live aquatic products.

In one embodiment of the invention, the box cover is provided with a stacking bayonet, and the bottom of the box body is provided with a corresponding stacking fixture block or a corresponding detachable pulley. The stacking firmness is increased.

In one embodiment of the invention, the box cover of the incubator is made of heat-insulating plate materials into two pieces, namely, the two pieces of box covers are included and hinged on the side wall of the box body, the sum of the areas of the two pieces of box covers is larger than or equal to the area of the upper opening of the box body, and the two pieces of box covers cover the upper opening of the box body when being covered; the two box covers are respectively hinged on two side walls of the box body which are not connected.

In one embodiment of the invention, the two box covers can rotate along the hinged side wall, and the degree of freedom of rotation is less than or equal to the rotation from the attachment of the box cover to the closing of the box cover to the opening of the box body.

In one embodiment of the present invention, the side wall of the thermal insulation box is provided with a fastener for fastening the cover.

In an embodiment of the present invention, the cover of the thermal insulation box is a cover plate, and the cover plate or the side wall of the box body is provided with a fastener for fastening the cover.

In one embodiment of the invention, the box body is provided with a hand buckle groove for moving the box body.

In one embodiment of the invention, the inner layer is a silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or chitosan and/or nano silver composite layer, the silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or chitosan and/or nano silver composite material layer is a silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or chitosan and/or nano silver + PP composite material layer or a silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or nano chitosan and/or nano silver + PE composite material layer by layer or a silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or chitosan and/or nano silver + PP + PE composite material layer. Can kill hundreds of bacteria automatically, and the effective rate is more than 90%.

The quaternary ammonium salt is nano-grade quaternary ammonium salt or micron-grade quaternary ammonium salt, and the chitosan is nano-chitosan.

In one embodiment of the present invention, the outer layer is a thermal insulation layer composed of a PP + aerogel synthetic material layer or a PE + aerogel synthetic material layer or a PP + PE + aerogel synthetic material layer. The outer layer is heat-insulating, waterproof and anti-collision.

The beneficial technical effects are as follows: (1) the nano synthetic material heat-insulating layer provided by the invention is light, the weight of the heat-insulating box manufactured by the nano synthetic material heat-insulating layer is 60% -80% of that of the heat-insulating box with the same volume, so that the weight overload is effectively reduced when goods are transported, and the heat-insulating box manufactured by the nano synthetic material heat-insulating layer can transport more goods by transport vehicles with the same specification; excellent heat insulation and heat preservation performance, and the heat conductivity coefficient is 0.03-0.032W/(m.K);

(2) the nano synthetic material heat-insulating layer provided by the invention is light and thin and has a good heat-insulating effect, and the heat-insulating effect of a common foam box can be achieved by 6cm of the nano synthetic material heat-insulating layer;

(3) the nano synthetic material heat-insulating layer provided by the invention has low manufacturing cost, and the cost of the heat-insulating box manufactured by the nano synthetic material heat-insulating layer provided by the invention is 20-30% lower than that of the traditional heat-insulating box with the same specification.

(4) The invention also provides a design scheme of the heat preservation box, the area of the upper opening is larger than that of the bottom wall, the heat preservation box is T-shaped, and the heat preservation boxes with the same specification can be stacked. The transportation volume of the empty box is reduced, so that the empty box of the heat preservation box is convenient to transport when the heat preservation box is used circularly, and the transportation cost is reduced; the bottom is provided with a detachable pulley, so that the carrying is convenient.

(5) The frozen and refrigerated products can be stored independently or can be mixed in a box, a temperature zone partition plate is arranged in the box, and the frozen and refrigerated products can be placed according to the required space;

(6) fresh and live aquatic products can be transported, the incubator is provided with an oxygen pump mounting position and a one-way waste gas exhaust hole made of a nano film;

(7) can transport fruit, vegetable and flower, and the top of the heat preservation box is provided with a unidirectional ethylene vent hole made of a nanometer film.

(8) It has long-acting broad-spectrum bactericidal function, can kill hundreds of bacteria and fungi, has effective rate of over 99 percent, can automatically kill colibacillus, coliform bacteria, staphylococcus aureus, candida albicans and other hundreds of bacteria.

Drawings

FIG. 1 is a schematic structural view of a nanocomposite insulation layer according to one embodiment of the present invention;

FIG. 2 is a front view of an incubator according to one embodiment of the present invention;

FIG. 3 is a top view of an incubator according to one embodiment of the present invention;

FIG. 4 is a front view of an incubator according to one embodiment of the present invention;

FIG. 5 is a schematic view of a stacked structure of an incubator according to an embodiment of the present invention;

fig. 6 is a schematic structural view of an incubator according to another embodiment of the present invention.

The figure is as follows: 1. a box body; 2. a box cover; 3. buckling; 4. a hinge connection; 11. an outer layer; 12. an inner layer; 13. an intermediate layer; 5. a pulley; 6. a vent hole; 7. stacking bayonets; 8. an oxygen pump.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

The utility model provides a nanometer aerogel combined material heat preservation, includes polyethylene film or polypropylene film, and polyethylene foam cotton or polypropylene foam cotton, polyethylene film or polypropylene film with polyethylene foam cotton or polypropylene foam cotton have multilayer and interval to set up.

The polyethylene film or the polypropylene film is a synthetic material including aerogel.

The polyethylene foam or the polypropylene foam is a synthetic material including aerogel.

The preparation method of the aerogel composite material of the polyethylene film or the polypropylene film or the polyethylene foam cotton or the polypropylene foam cotton comprises the following steps:

step one, mixing a silicon source precursor, a solvent, water and a catalyst according to a ratio, and stirring for 30-60 minutes at room temperature by a sol-gel method to obtain the silica sol. Then, a surface modifier is added, and the mixture is stirred at room temperature to obtain the modified silica sol. Subsequently, the modified silica sol is diluted to SiO with a solvent₂The solid content is 30 wt% for later use. Wherein: the volume ratio of the silicon source precursor to the solvent to the water to the catalyst is 1: (1-5): (0.1-0.5): (0.01-0.1), and 5-10 parts of surface modifier is added into 100 parts of silica sol.

And step two, mixing low-density polyethylene powder or polypropylene powder with the modified silica sol obtained in the step one according to a certain proportion, adding a silane coupling agent as a dispersing agent and a surface modifier, dicumyl peroxide as an initiator and polyethylene wax as an organic auxiliary agent, and mixing, granulating and drying to obtain the polyethylene/aerogel composite master batch. Wherein the low-density polyethylene powder or polypropylene powder, silica sol, a silane coupling agent, dicumyl peroxide and polyethylene wax are prepared from the following components in parts by weight: 100: (3-35): (0.05-0.15): 2.4: (0.5-2).

Preferably, the silicon source precursor in the first step may be one of tetraethyl orthosilicate, tetramethyl orthosilicate, industrial water glass, silica sol or polysilicone, and tetraethyl orthosilicate and silica sol are preferred because the process for preparing silica aerogel using tetraethyl orthosilicate and silica sol as a source is more mature and lower in cost.

Preferably, the solvent in the first step may be one of ethanol, methanol, acetone, isopropanol, and water, preferably ethanol and water.

Preferably, the catalyst in the first step can be an acidic or basic catalyst, the acidic catalyst can be one of hydrochloric acid, nitric acid, acetic acid and oxalic acid, and the basic catalyst can be one of ammonia water and sodium hydroxide, and preferably 0.01mol/L hydrochloric acid solution, 0.01mol/L glacial acetic acid solution and 10mol/L ammonia water.

Preferably, the volume ratio of the silicon source precursor, the solvent, the water and the catalyst in the step one is 1: (1-5): (0.1-0.5): (0.01-0.1).

Preferably, the preparation conditions in step one are: mixing and stirring at room temperature, wherein the stirring speed is 300-500 r/min, and the stirring time is 30-60 min.

Preferably, the surface modifier in the first step can be one of hexamethyldisiloxane, hexamethyldisilazane and trimethylchlorosilane.

Preferably, the addition amount of the surface modifier in the first step is: and 5-10 parts of surface modifier is added into each 100 parts of sol.

Preferably, the silane coupling agent in the second step can be any one of vinyltriethoxysilane, aminopropyltriethoxysilane or mercaptopropyltrimethoxysilane, and the silane coupling agent can graft the silica aerogel nanoparticles with polyethylene chains to perform the functions of surface modification and dispersion of the silica sol nanoparticles.

Preferably, the silane coupling agent and the low-density polyethylene powder in the second step are (0.05-0.15) in parts by mass: 100.

preferably, in the second step, the mass fractions of the low-density polyethylene powder and the modified silica sol are 100: (3-35) modification of SiO in silica Sol₂The mass ratio of the solid content to the polyethylene is 0.9-10.5%.

Preferably, the initiator in the second step is dicumyl peroxide, and the initiation reaction temperature is 120-150 ℃.

Preferably, the ratio of the initiators in step two is: 2.4 parts dicumyl peroxide initiator per 100 parts polyethylene powder.

Preferably, the organic auxiliary agent in the second step is polyethylene wax, the molecular weight range is 1000-4000, and the organic auxiliary agent is added into polyethylene to play a role in lubrication and dispersion.

Preferably, the addition amount of the organic auxiliary in the step two is as follows: 0.5-2 parts of polyethylene wax is added into every 100 parts of polyethylene powder.

Preferably, the mixing and granulating conditions in the second step are as follows: the reactants are evenly put into a mixing roll, mixed for 30 to 50 minutes at the temperature of between 120 and 150 ℃ and then put into a double-screw granulator for granulation.

Preferably, the drying conditions in the second step (2) are as follows: and drying at the temperature of 45-60 ℃ for 2-4 hours.

Preferably, the polyethylene/aerogel composite master batch obtained in the step two (2) is plastic particles with uniform size, and the diameter is about 3-5 mm.

And (3) adding or not adding polyethylene powder or polypropylene powder or polyethylene particles or polypropylene particles into the particles prepared in the step two, and carrying out tape casting to draw a film to prepare the aerosol composite material of the heat-insulating polyethylene film or the polypropylene film.

And (3) adding the polyethylene or polypropylene/aerogel master batch obtained by granulation in the step two, the antistatic agent, the foaming agent and the talcum powder into a high-pressure reaction kettle, and performing foaming, extrusion molding, cooling, re-extension and final winding to obtain the pearl cotton/aerogel composite type heat insulation material. Wherein the polyethylene or polypropylene/aerogel master batch, the antistatic agent, the foaming agent and the talcum powder are prepared by the following components in percentage by mass: 100: (1-5): (5-10): (0.1-5).

Preferably, the antistatic agent is ethylene oxide and polyethylene oxide, and 0.3-2 parts by mass of the antistatic agent is added into 100 parts of polyethylene or polypropylene/aerogel master batch.

Preferably, the addition amount of the talcum powder is as follows: 0.2-1 part by mass of talcum powder is added into every 100 parts of polyethylene or polypropylene/aerogel master batch.

Preferably, the foaming agent is one of butane, carbon dioxide, supercritical nitrogen and supercritical carbon dioxide, preferably butane, and 5-10 parts by mass of the butane foaming agent is added into 100 parts of polyethylene or polypropylene/aerogel master batch.

Preferably, the foaming conditions are: the temperature is 100 ℃ and 140 ℃, and the pressure is 10-12 MPa.

Example two

The utility model provides a functional insulation can of recycling, includes box 1 and case lid 2, box 1 and/or 2 lids of case are formed or integrated into one piece by insulation board concatenation, insulation board includes:

inner layer: a PP waterproof material layer;

an intermediate layer: the nano aerogel synthetic material insulating layer of the first embodiment;

outer layer: a PP waterproof material layer.

The box cover 2 of the heat preservation box is of a two-piece type, namely, the two box covers 2 are included, the two box covers 2 are hinged to the side wall of the box body, the sum of the areas of the two box covers 2 is larger than or equal to the area of an upper opening of the box body, and the two box covers 2 cover the upper opening of the box body when being closed.

As shown in fig. 1-2, the box cover 2 is connected to the box body 1 by a hinge connection 4, and the two box covers are respectively hinged to two non-connected side walls of the box body.

The two box covers can rotate along the hinged side walls, and the rotational freedom degree is less than or equal to the opening formed by the box cover and the box body which are covered and closed from the attached side walls of the box cover.

The area of the upper opening of the box body is larger than that of the bottom wall. Even incubators of the same size can be stacked as shown in fig. 2-4. The side wall of the heat preservation box is provided with a buckle 3 for tightly covering the reinforced box cover.

EXAMPLE III

inner layer: a waterproof and bactericidal material layer consisting of PE and nano zinc;

outer layer: PE + nanometer aerogel is waterproof, separates the warm material layer.

The box is "T" type for the area of open-ended area is greater than the area of diapire on the top. Even incubators of the same size can be stacked as shown in fig. 2-4. The side wall of the heat preservation box is provided with a buckle 3 for tightly covering the reinforced box cover. The inner layer is a nano silver PP and PE synthetic material layer, and can automatically kill hundreds of bacteria such as coliform bacteria, staphylococcus aureus, candida albicans and the like.

Example four

As shown in fig. 5, a functional insulation can capable of being recycled comprises a case body 1 and a case cover 2, wherein the case body 1 and/or the case cover 2 are formed by splicing or integrally forming insulation boards, and the insulation boards comprise:

inner layer: a sterilization and waterproof material layer composed of PE + micron-sized quaternary ammonium salt;

outer layer: and (4) an outer layer of a hollow plate.

The cover of the incubator is a cover plate, and the cover plate or the side wall of the incubator body is provided with a fastener for fastening the cover of the incubator. The box body is provided with a hand buckle groove (not shown in the figure) for moving the box body.

EXAMPLE five

The utility model provides a functional insulation can of recycling, includes box and case lid, the box is formed or integrated into one piece by the insulation board concatenation, insulation board includes:

inner layer: a PP + PE + chitosan synthetic material layer; can prevent water and can automatically kill more than one hundred kinds of bacteria such as coliform bacteria, staphylococcus aureus, candida albicans and the like.

outer layer: PP + PE + nanometer aerogel combined material heat insulating layer.

The bottom of the heat preservation box is provided with a detachable pulley. The carrying is convenient.

The insulation can is internally provided with a detachable temperature zone partition plate, and the side wall of the insulation can is provided with a temperature zone partition plate slot. In same insulation can, the goods of different cold-stored temperatures can be separately stored, and a plurality of warm area division boards can be placed to insulation can inside, have a plurality of warm area division board slots on the insulation can lateral wall.

And the box body or the box cover is provided with a nano material vent hole. Can be used for transporting fruits, vegetables and flowers.

And an oxygen pump is arranged on the box body or the box cover. Can be used for transporting fresh and live aquatic products.

The box cover is provided with a stacking bayonet, and the bottom of the box body is provided with corresponding stacking clamping blocks or corresponding detachable pulleys. The stacking firmness is increased.

The box cover of the heat preservation box is composed of heat preservation plates into two pieces, namely comprises two box covers, the two box covers are hinged to the side wall of the box body, the sum of the areas of the two box covers is larger than or equal to the area of the upper opening of the box body, and the two box covers cover the upper opening of the box body in a covering mode.

The two box covers are respectively hinged on two side walls of the box body which are not connected.

The side wall of the heat preservation box is provided with a buckle used for tightly covering the reinforcing box cover.

The cover of the incubator is a cover plate, and the cover plate or the side wall of the incubator body is provided with a fastener for fastening the cover of the incubator.

EXAMPLE six

inner layer: a waterproof and bactericidal material layer composed of PE + zinc ions;

The box is "T" type for the area of open-ended area is greater than the area of diapire on the top. Even incubators of the same size can be stacked as shown in fig. 2-4. The side wall of the heat preservation box is provided with a buckle 3 for tightly covering the reinforced box cover.

Example seven insulation Performance test

Testing equipment: the device comprises a high and low temperature alternating experiment box, an infrared thermometer, a LogTag temperature recorder and an RC-4HC temperature recorder.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A nano synthetic material heat-insulating layer is characterized by comprising a polyethylene film or a polypropylene film and polyethylene foam cotton or polypropylene foam cotton, wherein the polyethylene film or the polypropylene film and the polyethylene foam cotton or the polypropylene foam cotton are arranged in a multi-layer manner at intervals;

and/or the polyethylene foam or polypropylene foam is a synthetic material comprising aerogel.

2. The utility model provides a functional insulation can of recycling, includes box and case lid, its characterized in that, the box is formed or integrated into one piece by insulation board concatenation, insulation board includes:

inner layer: a PP layer or a PE layer or a PP + PE composite material layer;

3. The recycling functional incubator of claim 2, wherein the opening of the case has a larger area than the bottom of the case, and is configured to allow incubators of the same size to be stacked.

4. The recycling functional incubator of claim 2, wherein the bottom of the incubator has detachable pulleys.

5. The functional insulation can of claim 2, wherein said insulation can has a detachable temperature zone partition plate inside, and said insulation can has temperature zone partition plate slots on its side walls.

6. The functional incubator of claim 2, wherein the chamber or cover has a nano-vent and/or vent valve and/or vent membrane.

7. The recycling functional incubator of claim 2, wherein the tank or the cover is provided with an oxygen pump.

8. The functional insulation can of claim 2, wherein the cover has stacking slots, and the bottom of the can has corresponding stacking blocks or corresponding detachable pulleys.

9. The functional insulation can of claim 2, wherein the cover of the insulation can is made of insulation board material in two pieces, that is, two covers are hinged to the side wall of the can, the sum of the areas of the two covers is larger than or equal to the area of the upper opening of the can, and the two covers cover the upper opening of the can when covering; the two box covers are respectively hinged on two side walls of the box body which are not connected.

10. The functional incubator of claim 9 wherein the two covers are pivotable along the hinged side walls with a degree of freedom less than or equal to a degree of freedom from pivoting from the cover engaging the side walls to the cover closing the opening in the enclosure.

11. The functional insulation can of claim 2, wherein the side wall of the insulation can is provided with a fastener for fastening the cover of the insulation can.

12. The functional insulation can of claim 2, wherein the cover of the insulation can is a cover plate, and the cover plate or the side wall of the box body is provided with a fastener for fastening the cover.

13. The recycling functional incubator according to any one of claims 2 to 13, wherein the case has a hand-held groove for locking the cover and moving the case.

14. The functional insulation can of any one of claims 2-13, wherein said inner layer is a silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or chitosan and/or nano silver composite layer, said silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or chitosan and/or nano silver composite layer is a silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or chitosan and/or nano silver + PP composite layer or silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or nano chitosan and/or nano silver + PE composite layer by layer or silver ion and/or zinc ion and/or nano zinc and/or quaternary ammonium salt and/or chitosan and/or nano silver + PE composite layer A nano silver + PP + PE composite material layer.

15. The functional incubator of any one of claims 2-13, wherein the outer layer is a PP + aerogel composite layer or a PE + aerogel composite layer or a PP + PE + aerogel composite layer.