CN215751127U

CN215751127U - APET composite film with excellent heat-insulating property

Info

Publication number: CN215751127U
Application number: CN202023309291.2U
Authority: CN
Inventors: 刘斌辉; 练士豪
Original assignee: Wuxi Aokete Packaging Material Co ltd
Current assignee: Wuxi Aokete Packaging Material Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-02-08
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an APET composite film with excellent heat insulation performance, and particularly relates to the technical field of APET composite films. The utility model has the advantages that the sepiolite fibers, the first forming film, the first bonding layer and the second bonding layer are arranged, and the sepiolite fibers have excellent performances of thermal stability, radiation resistance, friction resistance, heat insulation and the like, and are fixedly bonded on the surface of the base layer through the first bonding layer and the second bonding layer, so that the film can resist radiation while improving the heat insulation performance, and the applicability is improved.

Description

APET composite film with excellent heat-insulating property

Technical Field

The utility model relates to the technical field of APET composite films, in particular to an APET composite film with excellent heat-insulating property.

Background

The APET composite film is a composite type plastic uptake material polyester sheet, is generally used for packaging in industries of cosmetics, foods and the like, and has poor heat insulation performance and single function, so the APET composite film with excellent heat insulation performance needs to be improved.

In the process of implementing the utility model, the inventor finds that at least the following problems in the prior art are not solved:

(1) the traditional APET composite film with excellent heat-insulating property has poor heat-insulating property and poor applicability in actual use;

(2) the traditional APET composite film with excellent heat-insulating property has poor ultraviolet resistance effect, so that the APET composite film is not suitable for practical use;

(3) the traditional APET composite film with excellent heat insulation performance has poor tear resistance, so that the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an APET composite film with excellent heat insulation performance, so as to solve the problem of insufficient heat insulation performance in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an APET composite film with excellent heat insulation performance comprises a base layer, wherein a tear-resistant magnetic structure is arranged at the bottom end of the base layer, and an auxiliary heat insulation structure is arranged at the top end of the base layer;

the auxiliary heat insulation structure comprises sepiolite fibers, wherein the top end and the bottom end of each sepiolite fiber are fixedly connected with a first forming film, a first bonding layer is arranged at the bottom end of each first forming film, a second bonding layer is arranged at the top end of each first forming film, and an anti-ultraviolet structure is arranged at the top end of each second bonding layer.

Preferably, the first forming film is provided with two layers, and the first forming film is symmetrically distributed about the sepiolite fibers.

Preferably, anti ultraviolet structure comprises second forming film, ultraviolet resistance polyester fiber, ultraviolet resistance master batch and basement membrane, ultraviolet resistance polyester fiber sets up the top at the second tie coat, ultraviolet resistance polyester fiber's bottom fixedly connected with ultraviolet resistance master batch, the bottom fixedly connected with basement membrane of ultraviolet resistance master batch, ultraviolet resistance polyester fiber's top fixedly connected with second forming film.

Preferably, the ultraviolet-resistant master batches are provided with a plurality of ultraviolet-resistant polyester fibers, and the thickness of each ultraviolet-resistant polyester fiber is larger than that of each ultraviolet-resistant master batch.

Preferably, the tear-resistant magnetic structure is composed of a third bonding layer, a metal wire, a magnetic fiber and a third forming film, the third bonding layer, the metal wire, the magnetic fiber and the third forming film are arranged, the magnetic fiber is arranged at the bottom end of the base layer, the metal wire is fixedly connected to the top end of the magnetic fiber, the third bonding layer is fixedly connected to the top end of the metal wire, and the third forming film is fixedly connected to the bottom end of the magnetic fiber.

Preferably, the metal wires are arranged in a plurality of numbers, and the metal wires are arranged on the magnetic fibers at equal intervals.

Compared with the prior art, the utility model has the beneficial effects that: the APET composite film with excellent heat-insulating property not only realizes the improvement of heat-insulating property and the function of ultraviolet resistance, but also realizes the performance of pulling resistance;

(1) the sepiolite fiber is fixedly bonded on the surface of the base layer through the first bonding layer and the second bonding layer, so that the film can resist radiation while the heat-insulating property is improved, and the applicability is improved;

(2) due to the fact that the anti-ultraviolet structure is arranged and consists of the second forming film, the anti-ultraviolet polyester fiber, the anti-ultraviolet master batches and the bottom film, when the anti-ultraviolet polyester fiber is used together with the anti-ultraviolet master batches, the anti-ultraviolet effect of the film can be improved;

(3) through being provided with anti tearing magnetic structure, anti tearing magnetic structure comprises third tie coat, wire, magnetic fiber and third forming film, because of the wire is equidistant range on magnetic fiber for the toughness of film is stronger, and through the magnetic fiber of bottom, makes the film have certain magnetic adsorption ability, and the film application is suitable for when packing like this more.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the UV resistant structure of the present invention;

FIG. 3 is a side view schematic of a tear resistant magnetic structure of the present invention;

fig. 4 is a schematic structural diagram of the sepiolite fiber and the base layer in an orthographic view.

In the figure: 1. a base layer; 2. a first adhesive layer; 3. a first formed film; 4. sepiolite fibers; 5. a second adhesive layer; 6. an ultraviolet-proof structure; 601. a second formed film; 602. anti-ultraviolet polyester fiber; 603. ultraviolet resistant master batch; 604. a base film; 7. a tear resistant magnetic structure; 701. a third adhesive layer; 702. a metal wire; 703. magnetic fibers; 704. and a third formed film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 1: referring to fig. 1-4, an APET composite film with excellent thermal insulation performance includes a base layer 1, a tear-resistant magnetic structure 7 disposed at a bottom end of the base layer 1, and an auxiliary thermal insulation structure disposed at a top end of the base layer 1;

referring to fig. 1-4, the APET composite film with excellent heat-insulating property further includes an auxiliary heat-insulating structure, the auxiliary heat-insulating structure includes sepiolite fibers 4, the top end and the bottom end of the sepiolite fibers 4 are fixedly connected with a first forming film 3, the bottom end of the first forming film 3 is provided with a first bonding layer 2, the top end of the first forming film 3 is provided with a second bonding layer 5, and the top end of the second bonding layer 5 is provided with an ultraviolet-proof structure 6;

the first forming film 3 is provided with two layers, and the first forming film 3 is symmetrically distributed about the sepiolite fibers 4;

specifically, as shown in fig. 1 and 4, because the sepiolite fibers 4 have excellent performances such as thermal stability, radiation resistance, friction resistance and thermal insulation, the sepiolite fibers 4 are fixedly bonded on the surface of the base layer 1 through the first bonding layer 2 and the second bonding layer 5, so that the film is also radiation-resistant and applicable while the thermal insulation performance is improved.

Example 2: the ultraviolet-proof structure 6 is composed of a second forming film 601, ultraviolet-proof polyester fibers 602, ultraviolet-proof master batches 603 and a bottom film 604, the ultraviolet-proof polyester fibers 602 are arranged at the top end of the second bonding layer 5, the bottom ends of the ultraviolet-proof polyester fibers 602 are fixedly connected with the ultraviolet-proof master batches 603, the bottom ends of the ultraviolet-proof master batches 603 are fixedly connected with the bottom film 604, and the top ends of the ultraviolet-proof polyester fibers 602 are fixedly connected with the second forming film 601;

the ultraviolet resistant polyester fiber 602 is thicker than the ultraviolet resistant master batch 603;

specifically, as shown in fig. 1 and 2, because the anti-uv polyester fiber 602 has good anti-uv characteristics, when used together with the anti-uv master batch 603, the anti-uv effect of the film can be improved.

Example 3: the tear-resistant magnetic structure 7 consists of a third adhesive layer 701, a metal wire 702, a magnetic fiber 703 and a third forming film 704, the third adhesive layer 701, the metal wire 702, the magnetic fiber 703 and the third forming film 704, the magnetic fiber 703 is arranged at the bottom end of the base layer 1, the metal wire 702 is fixedly connected to the top end of the magnetic fiber 703, the third adhesive layer 701 is fixedly connected to the top end of the metal wire 702, and the third forming film 704 is fixedly connected to the bottom end of the magnetic fiber 703;

a plurality of metal wires 702 are arranged, and the metal wires 702 are arranged on the magnetic fibers 703 at equal intervals;

specifically, as shown in fig. 1 and 3, the metal wires 702 are arranged on the magnetic fibers 703 at equal intervals, so that the film has stronger toughness, and the magnetic fibers 703 at the bottom of the film make the film have a certain magnetic adsorption capacity, so that the film is more suitable for being applied to packages.

The working principle is as follows: when the ultraviolet-resistant master batch is used, firstly, because the ultraviolet-resistant polyester fiber 602 has the characteristic of good ultraviolet resistance, when the ultraviolet-resistant polyester fiber is used together with the ultraviolet-resistant master batch 603, the ultraviolet-resistant effect of the film can be improved.

Then, because the sepiolite fibers 4 have excellent performances of thermal stability, radiation resistance, friction resistance, heat insulation and the like, the sepiolite fibers 4 are fixedly bonded on the surface of the base layer 1 through the first bonding layer 2 and the second bonding layer 5, so that the film can improve the heat insulation performance, resist radiation and improve the applicability.

Finally, the metal wires 702 are arranged on the magnetic fibers 703 at equal intervals, so that the film is higher in toughness, and has certain magnetic adsorption capacity through the magnetic fibers 703 at the bottom, so that the film is more suitable for being applied to packaging.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An APET composite film with excellent heat insulation performance comprises a base layer (1) and is characterized in that: the bottom end of the base layer (1) is provided with a tear-resistant magnetic structure (7), and the top end of the base layer (1) is provided with an auxiliary heat insulation structure;

the auxiliary heat insulation structure comprises sepiolite fibers (4), wherein the top end and the bottom end of each sepiolite fiber (4) are fixedly connected with a first forming thin film (3), a first bonding layer (2) is arranged at the bottom end of each first forming thin film (3), a second bonding layer (5) is arranged at the top end of each first forming thin film (3), and an anti-ultraviolet structure (6) is arranged at the top end of each second bonding layer (5).

2. The APET composite film according to claim 1, which has excellent thermal insulation properties, wherein: the first forming film (3) is provided with two layers, and the first forming film (3) is symmetrically distributed relative to the sepiolite fibers (4).

3. The APET composite film according to claim 1, which has excellent thermal insulation properties, wherein: ultraviolet-proof structure (6) comprise second forming film (601), ultraviolet resistance polyester fiber (602), ultraviolet resistance master batch (603) and basement membrane (604), ultraviolet resistance polyester fiber (602) set up the top in second tie coat (5), the bottom fixedly connected with ultraviolet resistance master batch (603) of ultraviolet resistance polyester fiber (602), the bottom fixedly connected with basement membrane (604) of ultraviolet resistance master batch (603), the top fixedly connected with second forming film (601) of ultraviolet resistance polyester fiber (602).

4. The APET composite film according to claim 3, which has excellent thermal insulation properties, wherein: the ultraviolet-resistant polyester fiber is characterized in that the ultraviolet-resistant master batches (603) are provided with a plurality of ultraviolet-resistant polyester fibers (602), and the thickness of the ultraviolet-resistant polyester fibers is larger than that of the ultraviolet-resistant master batches (603).

5. The APET composite film according to claim 1, which has excellent thermal insulation properties, wherein: the tear-resistant magnetic structure (7) is composed of a third bonding layer (701), a metal wire (702), a magnetic fiber (703) and a third forming film (704), the third bonding layer (701), the metal wire (702), the magnetic fiber (703) and the third forming film (704) form, the magnetic fiber (703) is arranged at the bottom end of the base layer (1), the top end of the magnetic fiber (703) is fixedly connected with the metal wire (702), the top end of the metal wire (702) is fixedly connected with the third bonding layer (701), and the bottom end of the magnetic fiber (703) is fixedly connected with the third forming film (704).

6. The APET composite film with excellent heat insulation performance as claimed in claim 5, wherein: the number of the metal wires (702) is several, and the metal wires (702) are arranged on the magnetic fibers (703) at equal intervals.