CN219153921U

CN219153921U - PET (polyethylene terephthalate) laminating material

Info

Publication number: CN219153921U
Application number: CN202223237159.4U
Authority: CN
Inventors: 张增强; 楼伟; 张松; 吴涛
Original assignee: Yiwu Kangshun Packaging Material Co ltd
Current assignee: Yiwu Kangshun Packaging Material Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-09
Anticipated expiration: 2032-12-05

Abstract

The utility model provides a PET (polyethylene terephthalate) laminating material, which comprises a film sandwich, wherein an outer sealing layer is arranged outside the film sandwich, a sleeve film layer is arranged outside the outer sealing layer, an adhesive layer is fixedly connected to the outer surface of the sleeve film layer, and a protective layer is fixedly connected to the outer surface of the adhesive layer, and relates to the technical field of materials. According to the utility model, the film sandwich is positioned at the innermost center of the product, the protective layer is in direct contact with the external environment, the outer surface of the protective layer can be sprayed with different colors for different working environments, the buffer grooves formed on the outer surface of the adhesive layer are used for expansion and contraction, so that the product can be wrapped on curved surfaces with different diameters, and when the wrapped object expands with heat and contracts with cold, the buffer grooves can be correspondingly deformed, so that the film coating material can be wrapped on the outer surface of the object all the time, and the separation or falling of the edge warping is prevented.

Description

PET (polyethylene terephthalate) laminating material

Technical Field

The utility model relates to the technical field of materials, in particular to a PET (polyethylene terephthalate) film coating material.

Background

The PET film is a packaging film with relatively comprehensive performance. The transparent glass has good transparency and luster; has good air tightness and fragrance retention; moisture resistance is moderate and moisture permeability decreases at low temperatures. The mechanical properties of the PET film are excellent, the toughness is the best in all thermoplastics, and the tensile strength and the impact strength are much higher than those of the common film; and the strength is good, the size is stable, and the printing paper bag is suitable for secondary processing such as printing paper bags. The PET film also has excellent heat resistance, cold resistance and good chemical resistance and oil resistance.

In the prior art, for example, the Chinese patent number is: according to the waterproof PET film material of CN215360244U, through the arrangement of the water guide groove, when water falls onto the surface of the PET film, the water guide groove can guide away larger water, the time of water retention on the surface of the PET film is effectively shortened, the waterproof performance of the surface of the PET film is improved, a good guide effect is achieved, meanwhile, after water enters the corrosion-resistant layer, the water guide groove adopts the inner layer made of polyethylene, the water permeability is low, but the air permeability is large, the water can be mixed with the air through effective filtration, the passing air is drier, and the overall waterproof performance of the PET film is further improved.

However, in the prior art, the traditional PET coating is not resistant to strong alkali, can be corroded when being contacted with alkaline fluid, and when being in direct contact with the outside, the coating can generate larger gaps due to expansion with heat and contraction with cold, and can fall off from the outer surface of a wrapped object or break off, so that the protection effect of the coating is poor, and the normal use of the coating is seriously affected.

Disclosure of Invention

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a PET tectorial membrane material, includes the film sandwich, the outside of film sandwich is provided with outside sealing layer, the outside of outside sealing layer is provided with the mantle layer, and the film sandwich is located the inside of product and is centremost, inoxidizing coating and external environment direct contact, to different operational environment, can carry out the spraying of different colours to the surface of inoxidizing coating, the surface fixedly connected with tie coat of mantle layer, the surface fixedly connected with inoxidizing coating of tie coat.

Preferably, the outer surface of the outer sealing layer is fixedly connected with the outer surface of the film sandwich, and a buffer groove formed in the outer surface of the bonding layer is used for extending and contracting to ensure that products can be wrapped on curved surfaces with different diameters, and the outer sealing layer is attached to the outer part of the film sandwich up and down.

Preferably, a buffer groove is formed in the wall of the bonding layer, leakage grooves are formed in two sides of the buffer groove, when the wrapped article expands with heat and contracts with cold, the buffer groove can deform correspondingly, so that the film-coated material can be wrapped on the outer surface of the article all the time, and the leakage grooves are formed in the wall of the bonding layer.

Preferably, the wall of the mantle layer is provided with the water diversion channels, the water diversion channels are symmetrically arranged, the separation or falling off of the tilted edges is prevented, the seepage grooves are convenient for the flowing of glue, the bonding strength of the bonding layer is improved, and the water diversion channels are in wave shapes.

Preferably, the outer surface of the outer sealing layer is fixedly connected with a bump, when the protective layer is broken, outside moisture is discharged to two sides of the covering film layer through the seepage grooves, redundant moisture is prevented from contacting with the outer surface of the PET film, the outer sealing layer is prevented from sliding in the covering film layer through the bump on the outer surface of the outer sealing layer, the film sandwich is further fixed, the bump is a cylindrical protrusion, and the bump is inserted in the water channel.

Preferably, the thickness of film sandwich is the.mm, the material of film sandwich is PET plastics, the thickness of outside sealing layer is the.mm, the cover rete adopts cavity structure, multilayer protection and better stability for the tectorial membrane hardly directly contacts with the external world, has higher protective effect, the surface of tie coat has the film to glue gluey water, the thickness of inoxidizing coating is the.mm, the surface spraying of inoxidizing coating has pigment granule.

Drawings

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

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is an exploded view of the present utility model.

Legend description:

1. a film sandwich; 2. an outer sealing layer; 3. a film covering layer; 4. a bonding layer; 5. a protective layer; 6. buffer ditch; 7. a leak groove; 8. a water channel; 9. and a bump.

The beneficial effects are that:

when the product is used, the film sandwich is located at the inner most center of the product, the protective layer is in direct contact with the external environment, the outer surface of the protective layer can be sprayed with different colors for different working environments, the buffer groove formed in the outer surface of the adhesive layer is used for extending and contracting, the product can be wrapped on curved surfaces with different diameters, when the wrapped object expands with heat and contracts with cold, the buffer groove can be correspondingly deformed, the film coating material can be wrapped on the outer surface of the object all the time, the edge warping separation or falling off is prevented, the seepage groove is convenient for the flowing of glue, the adhesive strength of the adhesive layer is improved, when the protective layer is broken, external moisture is discharged to the two sides of the film coating layer through the seepage groove, the redundant moisture is prevented from being contacted with the outer surface of the PET film, the outer sealing layer is prevented from sliding in the film sandwich through the inner part of the film coating layer by the convex blocks, the film sandwich is further fixed, the film sandwich is protected in multiple layers, the film sandwich is enabled to be difficult to be in direct contact with the external environment, and the protective effect is high.

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.

Referring to fig. 1-3, the present utility model provides a technical solution: the PET laminating material comprises a film sandwich 1, an outer sealing layer 2 is arranged outside the film sandwich 1, a laminating layer 3 is arranged outside the outer sealing layer 2, an adhesive layer 4 is fixedly connected to the outer surface of the laminating layer 3, and a protective layer 5 is fixedly connected to the outer surface of the adhesive layer 4. The outer surface of the outer sealing layer 2 is fixedly connected with the outer surface of the film sandwich 1, and the outer sealing layer 2 is attached to the outer part of the film sandwich 1 up and down.

Buffer grooves 6 are formed in the wall of the bonding layer 4, leakage grooves 7 are formed in the two sides of the buffer grooves 6, and the leakage grooves 7 are formed in the wall of the bonding layer 4. The wall of the mantle layer 3 is provided with the water channels 8, the water channels 8 are symmetrically arranged, and the shape of the water channels 8 is wave-shaped.

The outer surface of the outer sealing layer 2 is fixedly connected with a lug 9, the lug 9 is a cylindrical protrusion, and the lug 9 is inserted into the water channel 8. The thickness of the film sandwich 1 is 0.1mm, the material of the film sandwich is PET plastic, the thickness of the outer sealing layer 2 is 0.07mm, the covering film layer 3 adopts a cavity structure, the outer surface of the bonding layer 4 is smeared with film adhesive glue, the thickness of the protective layer 5 is 1.5mm, and pigment particles are sprayed on the outer surface of the protective layer 5.

Working principle: the film sandwich 1 is located the inside of product and is at the center, inoxidizing coating 5 and external environment direct contact, to different operational environment, can carry out the spraying of different colours to the surface of inoxidizing coating 5, buffer ditch 6 that tie coat 4 surface was seted up is used for extending and contracting, ensure that the product can wrap up on the curved surface of different diameters, when the article expend with heat and contract with cold of being wrapped up, buffer ditch 6 can carry out corresponding deformation for tectorial membrane material can wrap up at the surface of article all the time, prevent to stick up limit separation or drop, leak the flow of groove 7 be convenient for glue, improve tie coat 4's bonding strength, when inoxidizing coating 5 breaks, external moisture is discharged to the both sides of mantle layer 3 through leak groove 7, prevent unnecessary steam and PET film's surface contact, outside sealing layer 2 is through the lug 9 of its surface, prevent that film sandwich 1 from sliding in mantle layer 3, further fix the film sandwich, multilayer protection and better stability, make the tectorial membrane hardly directly contact with the external world, higher protective effect has.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. PET tectorial membrane material, including film sandwich (1), its characterized in that: the outer side of the film sandwich (1) is provided with an outer side sealing layer (2), the outer side of the outer side sealing layer (2) is provided with a cover film layer (3), the outer surface of the cover film layer (3) is fixedly connected with a bonding layer (4), and the outer surface of the bonding layer (4) is fixedly connected with a protective layer (5); a buffer groove (6) is formed in the wall of the bonding layer (4), leakage grooves (7) are formed in the two sides of the buffer groove (6), and the leakage grooves (7) are formed in the wall of the bonding layer (4).

2. A PET film material according to claim 1, characterized in that: the outer surface of the outer sealing layer (2) is fixedly connected with the outer surface of the film sandwich (1), and the outer sealing layer (2) is attached to the outer part of the film sandwich (1) up and down.

3. A PET film material according to claim 1, characterized in that: the wall of the mantle layer (3) is provided with a water channel (8), the water channels (8) are symmetrically arranged, and the shape of the water channel (8) is wave-shaped.

4. A PET film material according to claim 3, characterized in that: the outer surface of the outer sealing layer (2) is fixedly connected with a lug (9), the lug (9) is a cylindrical protrusion, and the lug (9) is inserted into the water channel (8).

5. A PET film material according to claim 1, characterized in that: the thickness of film sandwich (1) is 0.1mm, the material of film sandwich is PET plastics, the thickness of outside sealing layer (2) is 0.07mm, mantle layer (3) adopts the cavity structure, the surface of tie coat (4) is smeared and is glued glue to the film, the thickness of inoxidizing coating (5) is 1.5mm, the surface spraying of inoxidizing coating (5) has pigment granule.