CN216400828U

CN216400828U - PVC film with good elasticity

Info

Publication number: CN216400828U
Application number: CN202123223875.2U
Authority: CN
Inventors: 杨永灏
Original assignee: Guangzhou Nanfang Plastics Co ltd
Current assignee: Guangzhou Nanfang Plastics Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-04-29
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) film structures, in particular to a PVC film with good elasticity, which comprises a PVC film base layer, wherein a first bonding layer is arranged on the top surface of the PVC film base layer, a first elastic layer is arranged on the top surface of the first bonding layer, two second bonding layers are arranged on the top surface of the first elastic layer, and a plurality of elastic belts are arranged between the two second bonding layers. The utility model has the advantages that: the top surface through PVC film basic unit is provided with first tie coat, the top surface of first tie coat is provided with first elastic layer, be provided with a plurality of elastic bands between the two-layer second tie coat, and the top surface of second tie coat is provided with the second elastic layer, the material of first elastic layer is the polyethylene film, the material of a plurality of elastic bands is butadiene acrylonitrile rubber, PVC film basic unit is stretched, first elastic layer, a plurality of elastic bands and second elastic layer can carry out the change of certain length along with PVC film basic unit, and then improve the anti tear degree of PVC film basic unit, thereby prevent to be torn in certain distance within range.

Description

PVC film with good elasticity

Technical Field

The utility model relates to the technical field of PVC film structures, in particular to a PVC film with good elasticity.

Background

The PVC film is mainly composed of polyvinyl chloride, which is a synthetic material that is popular in the world and widely used, the global usage amount of the PVC film is high and second among various synthetic materials, among the materials capable of producing three-dimensional surface films, PVC is the most suitable material PVC, and is essentially a vacuum plastic film, which is used for surface layer packaging of various panels, so the PVC film is also called as a decorative film and an adhesive film, and is applied to various industries such as building materials, packaging, medicines and the like, wherein the building material industry accounts for the greatest proportion, and the packaging industry is the second, and other industries with a plurality of small application ranges, the existing PVC film generally adopts a single-layer design directly and is further laid on the surfaces of other products, and the following defects exist while the problem of decorating the products is solved:

the existing PVC film is poor in elasticity, and cannot be changed in a certain length as required, so that the existing PVC film is easily torn, and the appearance of a product is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a PVC film with good elasticity.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a PVC film that elasticity is good, includes PVC film basic unit, the top surface of PVC film basic unit is provided with first tie coat, the top surface of first tie coat is provided with first elastic layer, the top surface of first elastic layer is provided with two-layer second tie coat, and is two-layer be provided with a plurality of elastic bands between the second tie coat, the top surface of second tie coat is provided with the second elastic layer.

Optionally, the thickness on first elastic layer is less than the thickness of PVC film basic unit, the material on first elastic layer is the polyethylene film, and first elastic layer has PVC film basic unit to bond mutually through first tie coat, because the material on first elastic layer is the polyethylene film, has good mechanical properties, toughness, outstanding extending performance, and then can make first elastic layer can be stretched simultaneously along with PVC film basic unit.

It is optional, a plurality of the elastic webbing is placed between two-layer second tie coat through longitude and latitude weaving mode, and is a plurality of the thickness of elastic webbing is less than the thickness of PVC film basic unit, and is a plurality of the material of elastic webbing is butadiene acrylonitrile rubber, and a plurality of elastic webbing can carry out the extension of certain length along with PVC film basic unit, through self extension, maintain the whole form of this PVC film.

Optionally, the thickness of the second elastic layer is the same as that of the first elastic layer, the second elastic layer is made of a polypropylene film and can be bonded with the first elastic layer through a second bonding layer, and then the second elastic layer and the first elastic layer can improve the overall elastic performance and the tear resistance of the PVC film.

The utility model has the following advantages:

1. this PVC film that elasticity is good, top surface through PVC film basic unit is provided with first tie coat, the top surface of first tie coat is provided with first elastic layer, be provided with a plurality of elastic bands between the two-layer second tie coat, and the top surface of second tie coat is provided with the second elastic layer, the material on first elastic layer is the polyethylene film, the material of a plurality of elastic bands is butadiene acrylonitrile rubber, PVC film basic unit is stretched, first elastic layer, a plurality of elastic bands and second elastic layer can carry out the change of certain length along with PVC film basic unit, and then improve the anti tearing degree of PVC film basic unit, thereby prevent to be torn in certain distance within range.

2. This PVC film that elasticity is good, top surface through first elastic layer is provided with two-layer second tie coat, and then two-layer second tie coat can bond a plurality of elastic bands, can make second elastic layer and first elastic layer bond simultaneously again, two-layer second tie coat carries out bonding connection through the space between a plurality of elastic bands and is a whole simultaneously, thereby be convenient for restrict the relative position of a plurality of elastic bands, be convenient for make a plurality of elastic bands carry out the extension of certain length along with PVC film basic unit, improve the elasticity performance of this PC film.

Drawings

FIG. 1 is a schematic view of a first perspective structure of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

fig. 3 is a partial sectional structure diagram of the present invention.

In the figure: the elastic film comprises a PVC film base layer 1, a first bonding layer 2, a first elastic layer 3, a second bonding layer 4, an elastic belt 5 and a second elastic layer 6.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 3, a PVC film with good elasticity comprises a PVC film base layer 1, wherein a first bonding layer 2 is arranged on the top surface of the PVC film base layer 1, a first elastic layer 3 is arranged on the top surface of the first bonding layer 2, two second bonding layers 4 are arranged on the top surface of the first elastic layer 3, a plurality of elastic bands 5 are arranged between the two second bonding layers 4, and a second elastic layer 6 is arranged on the top surface of the second bonding layer 4.

As an optional technical scheme of the utility model: the thickness of first elastic layer 3 is less than the thickness of PVC film basic unit 1, and the material of first elastic layer 3 is the polyethylene film, and first elastic layer 3 has PVC film basic unit 1 to bond mutually through first tie coat 2, because the material of first elastic layer 3 is the polyethylene film, has good mechanical properties, toughness, outstanding extending performance, and then can make first elastic layer 3 can be stretched simultaneously along with PVC film basic unit 1 quilt.

As an optional technical scheme of the utility model: a plurality of elastic bands 5 are placed between two-layer second tie coat 4 through longitude and latitude weaving mode, a plurality of elastic bands 5's thickness is less than PVC film basic unit 1's thickness, a plurality of elastic bands 5's material is butadiene acrylonitrile rubber, a plurality of elastic bands 5 constitute the network structure through the longitude and latitude mode of weaving, and be located between two second tie coats 4, and then under natural state, second tie coat 4 can be convenient for stabilize a plurality of elastic bands 5's position, when PVC film basic unit 1 is stretched, a plurality of elastic bands 5 can carry out the extension of certain length along with PVC film basic unit 1, through self extension, maintain this PVC film's whole form.

As an optional technical scheme of the utility model: the thickness of second elastic layer 6 is the same with the thickness of first elastic layer 3, and the material of second elastic layer 6 is the polypropylene film, and second elastic layer 6 can bond mutually with first elastic layer 3 through second tie coat 4, and then second elastic layer 6 and first elastic layer 3 can improve holistic elasticity ability, improve this PVC film's tear resistance.

In summary, when a user uses the PVC film base layer, the first adhesive layer 2 is arranged on the top surface of the PVC film base layer 1, the first elastic layer 3 is arranged on the top surface of the first adhesive layer 2, the plurality of elastic bands 5 are arranged between the two second adhesive layers 4, the second elastic layer 6 is arranged on the top surface of the second adhesive layer 4, the first elastic layer 3 is made of a polyethylene film, the plurality of elastic bands 5 is made of nitrile rubber, the PVC film base layer 1 is stretched, the first elastic layer 3, the plurality of elastic bands 5 and the second elastic layer 6 can change with the PVC film base layer 1 by a certain length, so that the tearing resistance of the PVC film base layer 1 is improved, the tearing is prevented within a certain distance range, the two second adhesive layers 4 are arranged on the top surface of the first elastic layer 3, the two second adhesive layers 4 can bond the plurality of elastic bands 5, and the second elastic layer 6 can be bonded with the first elastic layer 3, simultaneously, the two second bonding layers 4 are bonded and connected into a whole through gaps among the elastic belts 5, so that the relative positions of the elastic belts 5 are limited, the elastic belts 5 are stretched along with the PVC film base layer 1 by a certain length, and the elastic performance of the PC film is improved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A PVC film with good elasticity is characterized in that: including PVC film basic unit (1), the top surface of PVC film basic unit (1) is provided with first tie coat (2), the top surface of first tie coat (2) is provided with first elastic layer (3), the top surface of first elastic layer (3) is provided with two-layer second tie coat (4), and is two-layer be provided with a plurality of elastic bands (5) between second tie coat (4), the top surface of second tie coat (4) is provided with second elastic layer (6).

2. The PVC film with good elasticity as claimed in claim 1, wherein: the thickness of first elastic layer (3) is less than the thickness of PVC film basic unit (1), the material of first elastic layer (3) is the polyethylene film.

3. The PVC film with good elasticity as claimed in claim 1, wherein: a plurality of elastic webbing (5) are placed between two-layer second tie coat (4) through longitude and latitude weaving mode, and are a plurality of the thickness of elastic webbing (5) is less than the thickness of PVC film basic unit (1), and is a plurality of the material of elastic webbing (5) is butadiene-acrylonitrile rubber.

4. The PVC film with good elasticity as claimed in claim 1, wherein: the thickness of the second elastic layer (6) is the same as that of the first elastic layer (3), and the second elastic layer (6) is made of a polypropylene film.