CN214522414U

CN214522414U - Full-biodegradable modified PBAT particle packaging film

Info

Publication number: CN214522414U
Application number: CN202120486611.7U
Authority: CN
Inventors: 刘燕
Original assignee: Jiangsu Bairuier Packaging Materials Co ltd
Current assignee: Jiangsu Bairuier Packaging Materials Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-10-29
Anticipated expiration: 2031-03-08

Abstract

The utility model discloses a modified PBAT particle packaging film of full biodegradable, including the film body, the film body includes degradation layer, antifogging layer, the fire-retardant layer of tensile layer and antibiotic layer, there is fire-retardant layer through hot melt co-extrusion complex between degradation layer and the antibiotic layer, there is the tensile layer through hot melt co-extrusion complex between degradation layer and the fire-retardant layer, hot melt co-extrusion complex has the antifogging layer between degradation layer and the tensile layer, it has the strengthening rib to bond on the tensile layer. The utility model discloses in, through the setting of tensile layer for the film body has certain ductility when being stretched under tensile layer wavy structure, can not so easily just break off, and the cooperation strengthening rib uses, can further improve tensile effect, and for traditional packaging film, this film has improved tensile strength.

Description

Full-biodegradable modified PBAT particle packaging film

Technical Field

The utility model relates to a packaging film technical field especially relates to a modified PBAT particle packaging film of full biodegradation.

Background

With the continuous development of the packaging and transportation industry, the packaging requirements of products are continuously improved, the product packaging is more and more modernized, and higher requirements are put forward on packaging bags; at present, the manufacture of packaging materials for various articles such as food, medicine, fertilizer, electronic products, etc. has begun to step into high-tech industrial fields of worldwide concern; in particular to food packaging, the plastic film has higher requirements.

The existing packaging film has a simple structure and low tensile strength, so that the whole packaging film is easy to damage, the practicability is not high, and meanwhile, the integrated packaging film with antifogging, tensile, flame-retardant and antibacterial functions does not exist in the market.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a full-biodegradation modified PBAT particle packaging film.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a modified PBAT particle packaging film of full biodegradation, includes the film body, the film body includes degradation layer, antifogging coating, the fire-retardant layer in tensile layer and antibiotic layer, there is fire-retardant layer through hot melt co-extrusion complex between degradation layer and the antibiotic layer, there is the tensile layer through hot melt co-extrusion complex between degradation layer and the fire-retardant layer, hot melt co-extrusion complex has the antifogging coating between degradation layer and the tensile layer, it has the strengthening rib to bond on the tensile layer.

Preferably, the reinforcing rib is formed by interweaving the warps and the wefts of polycaprolactone fine lines.

Preferably, the side surface of the tensile layer is of a wave structure.

Preferably, the lower surface of the degradation layer is coated with a protective layer.

Preferably, the degradation layer is a PBAT particle degradable composite plastic film layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, this modified PBAT particle packaging film of full biodegradable, through the setting of tensile layer for the film body has certain ductility when being stretched under tensile layer wavy structure, can not just so easily break off, and the cooperation strengthening rib is used, can further improve tensile effect, and for traditional packaging film, this film has improved tensile strength.

2. The utility model discloses in, this modified PBAT particle packaging film of full biodegradation, through the setting of inoxidizing coating, can prevent that the degradation layer from just beginning natural degradation at the in-process of normal use, the inoxidizing coating also can prevent that the degradation layer from receiving the damage simultaneously to this packaging film's life has been improved.

Drawings

FIG. 1 is a schematic structural diagram of a fully biodegradable modified PBAT particle packaging film provided by the present invention;

FIG. 2 is a schematic view of a structure of a reinforcing rib of the fully biodegradable modified PBAT particle packaging film provided by the present invention;

fig. 3 is a cross-sectional view of the fully biodegradable modified PBAT particle packaging film provided by the present invention.

Illustration of the drawings:

1. a film body; 2. a protective layer; 3. a degradation layer; 4. an antifogging layer; 5. a tensile layer; 6. a flame retardant layer; 7. an antimicrobial layer; 8. and (5) reinforcing ribs.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a modified PBAT particle packaging film of full biodegradation, including film body 1, film body 1 includes degradation layer 3, antifogging layer 4, the fire-retardant layer 6 of tensile layer 5 and antibiotic layer 7, has fire-retardant layer 6 through hot melt co-extrusion complex between degradation layer 3 and the antibiotic layer 7, has tensile layer 5 through hot melt co-extrusion complex between degradation layer 3 and the fire-retardant layer 6, and hot melt co-extrusion complex has antifogging layer 4 between degradation layer 3 and the tensile layer 5, and it has strengthening rib 8 to bond on the tensile layer 5.

The strengthening rib 8 is polycaprolactone fine rule longitude and latitude interweave and forms, and strengthening rib 8 is the polycaprolactone fine rule, and polycaprolactone not only has fine elasticity, more has the degradable characteristic.

The side surface of the tensile layer 5 is of a wave-shaped structure.

The lower surface of the degradation layer 3 is coated with the protective layer 2, and the protective layer 2 is water-based environment-friendly glue and has the function of preventing a large amount of harmful substances from being generated in the film decomposition process.

The degradation layer 3 is a PBAT particle degradable composite plastic film layer, and the PBAT particle degradable composite plastic film layer has better degradability, so that the recycling and decomposition of the packaging film are facilitated, and the packaging film is more green and environment-friendly.

The antifogging layer 4 is a hydrophilic antifogging wear-resistant film layer, and the antifogging wear-resistant film layer can be formed by directly coating hydrophilic antifogging wear-resistant paint on the surface of an object to be combined.

The tensile layer 5 is a methylol melamine film layer which is formed by directly coating the mixed solution of methylol melamine and polyethylene glycol on the surface of the antifogging layer 4.

The flame-retardant layer 6 is a polycarbonate flame-retardant PC film, and the polycarbonate PC has high strength, high elastic coefficient, high impact strength, high transparency, flame retardance and wear resistance, so that the packaging film has flame retardance under the condition of not influencing the visibility of the plastic film, and the occurrence of fire caused by the combustion of the packaging film is reduced.

The antibacterial layer 7 is a titanium dioxide layer, the titanium dioxide layer can kill microbes on an object coated by the packaging film through photocatalysis, and organic matters in residual pesticide can be degraded through photocatalysis.

The working principle is as follows: this modified PBAT particle packaging film of full biodegradation when using, through the setting of inoxidizing coating 2, can have the safeguard effect to a certain extent to degradation layer 3, prevent packaging film to produce a large amount of harmful substance in the decomposition process simultaneously, under the effect of degradation layer 3, make packaging film should have the recovery to decompose, reach green, under the effect of tensile layer 5 and strengthening rib 8 when using, make packaging film's tensile effect further improve, flame retardant layer 6's setting simultaneously, the conflagration because of packaging film burning produced has effectively been prevented.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a modified PBAT particle packaging film of full biodegradation, includes film body (1), its characterized in that, film body (1) is including degradation layer (3), antifogging layer (4), tensile layer (5) fire-retardant layer (6) and antibiotic layer (7), there is fire-retardant layer (6) between degradation layer (3) and antibiotic layer (7) through hot melt co-extrusion complex, there is tensile layer (5) between degradation layer (3) and fire-retardant layer (6) through hot melt co-extrusion complex, hot melt co-extrusion complex has antifogging layer (4) between degradation layer (3) and tensile layer (5), it has strengthening rib (8) to bond on tensile layer (5).

2. The fully biodegradable modified PBAT particle packaging film according to claim 1, wherein the reinforcing ribs (8) are formed by interweaving polycaprolactone fine wires in warp and weft.

3. The fully biodegradable modified PBAT particle packaging film according to claim 1, characterized in that the tensile layer (5) is of a wave-like structure on the side.

4. The fully biodegradable modified PBAT particle packaging film according to claim 1, characterized in that the lower surface of the degradation layer (3) is coated with a protective layer (2).

5. The fully biodegradable modified PBAT particle packaging film according to claim 1, wherein the degradation layer (3) is a PBAT particle degradable composite plastic film layer.