CN219294940U

CN219294940U - Adsorptivity is from type membrane

Info

Publication number: CN219294940U
Application number: CN202320763628.1U
Authority: CN
Inventors: 白有洵; 汪清国; 康伟; 曾桥; 熊永安
Original assignee: Top Tech Substrates Co ltd
Current assignee: Top Tech Substrates Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-07-04
Anticipated expiration: 2033-04-10

Abstract

The utility model provides an adsorptive release film, which comprises a film base layer and a release layer, wherein a resistance lamination layer and a protection lamination layer are sequentially arranged at the upper end of the film base layer from one side close to the film base layer to one side far from the film base layer, the resistance lamination layer comprises an anti-cracking layer connected with the film base layer, a tensile layer is connected to the anti-cracking layer, and the protection lamination layer comprises a waterproof layer and a light-variable composite heat insulation layer which are sequentially arranged from top to bottom; sealing layers are respectively connected to the left side and the right side of the film base layer, and the film base layer, the resistance lamination layer and the protection lamination layer are all positioned in the sealing layers. The utility model discloses a waterproof layer, optically variable compound insulating layer and antistatic layer can reduce external environment to the influence from the adsorption of type membrane, guarantees from the adsorption of type membrane to carry out the cladding to membrane basic unit both sides through the sealing layer, further improve the protection effect, also strengthen this structural stability from the type membrane simultaneously, still prevented to be exposed in the air for a long time from the type membrane and oxidized, prolonged this type membrane life from.

Description

Adsorptivity is from type membrane

Technical Field

The utility model mainly relates to the technical field of release films, in particular to an adsorptive release film.

Background

The release film refers to a film with different surface energy, in order to increase release force of the plastic film, the plastic film is subjected to plasma treatment, fluorine coating treatment, or silicon coating release agent on the surface layer of the film material, such as PET, PE, OPP, so that the release film can show extremely light and stable release force for various different organic pressure sensitive adhesives, the viscosity of the release product adhesive is different according to different release force required by the release film, and the release force is correspondingly adjusted, so that the extremely light and stable release force is achieved during peeling.

The release film can be divided into a PET release film, a PE release film, an OPP release film and a composite release film according to different base materials, wherein the PET release film is the most common release film product at present. When the release film is stored, the release film has higher requirements on the temperature, humidity, cleanliness and other aspects of the environment, and if the environmental factors do not reach the standards, the adsorptivity of the release film can be influenced, so that the release film cannot be used normally finally.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and mainly provides an adsorptive release film, so as to solve the technical problem that the adsorptivity of the release film is easily influenced by environmental factors when the release film is stored in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the adsorption release film comprises a film base layer and a release layer, wherein a resistance lamination layer, a protection lamination layer and a sealing layer are sequentially arranged at the upper end of the film base layer from one side close to the film base layer to one side far away from the film base layer, the resistance lamination layer comprises an anti-cracking layer connected with the film base layer, a tensile layer is connected to the anti-cracking layer, and the protection lamination layer comprises a waterproof layer and a light-variable composite heat insulation layer which are sequentially arranged from top to bottom; the sealing layer coats two sides of the film base layer, and the film base layer, the resistance lamination layer and the protection lamination layer are all positioned in the sealing layer.

Preferably, the release layer is attached to the lower end of the film base layer, the release layer is located outside the sealing layer, and an antistatic layer is arranged at the upper end of the sealing layer.

Preferably, the anti-cracking layer is an epoxy resin layer, and the tensile layer is a flax fiber layer.

Preferably, the waterproof layer is a breathable waterproof film, and the optically variable composite heat insulation layer is a polyurethane adhesive layer.

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

(1) The protective lamination is adopted, and the protective lamination enables the release film to have waterproof and heat insulation effects through the waterproof layer and the optically variable composite heat insulation layer, so that the influence of humidity and high temperature environment on the release film is reduced, and the adsorption effect of the release film is ensured;

(2) The sealing layer is adopted, both sides of the film base layer are coated through the sealing layer, so that the influence of water molecules and heat on the film base layer from the side of the film base layer is avoided, the protection effect is improved, meanwhile, the sealing layer fixes the resistance lamination and the protection lamination in the self, the structural stability of the release film is enhanced, the release film is prevented from being oxidized when being exposed in the air for a long time, and the service life is prolonged;

(3) The antistatic layer is adopted, so that dust in the air can be prevented from being polluted by the release film due to electrostatic adsorption, and the normal use of the release film is prevented from being influenced;

(4) The release film has certain strength by adopting the resistant lamination, and the epoxy resin and the flax fiber can avoid damage caused by tearing, pulling and other problems to the greatest extent, so that the possibility of damage of the release film in transportation and storage is reduced.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic side view of a layered structure of the present utility model;

figure 2 is a schematic diagram of the split construction of the resistant laminate and protective laminate of the present utility model.

In the figure: 1. a film base layer; 2. a release layer; 3. a resistant laminate; 31. an anti-crack layer; 32. a tensile layer; 4. a protective stack; 41. a waterproof layer; 42. optically variable composite heat insulation layer; 5. a sealing layer; 6. an antistatic layer.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides an adsorptivity is from type membrane, includes membrane basic unit 1 and is from type layer 2, from type layer 2 laminating at membrane basic unit 1 lower extreme, just from type layer 2 is located outside sealing layer 5, membrane basic unit 1 upper end has set gradually resistance lamination 3, protection lamination 4 and sealing layer 5 from being close to membrane basic unit 1 one side to keeping away from membrane basic unit 1 one side, resistance lamination 3 includes the crack resistant layer 31 of being connected with membrane basic unit 1, be connected with tensile layer 32 on the crack resistant layer 31, crack resistant layer 31 is the epoxy layer, tensile layer 32 is the flax fiber layer, and epoxy and flax fiber make this from type membrane have certain intensity, can the furthest avoid tearing and drag the scheduling problem and lead to damaging to make this from type membrane in transportation and the reduction of the possibility of damaging in keeping.

Referring to fig. 1 and 2, the protective laminated layer 4 includes a waterproof layer 41 and a light-variable composite heat insulation layer 42 sequentially disposed from top to bottom, where the waterproof layer 41 is a breathable waterproof film, and the waterproof film is waterproof, so as to reduce the influence of a humid environment on the release film.

The optically variable composite heat insulation layer 42 is a polyurethane adhesive layer, in particular to a polyurethane adhesive containing a photochromic material (spirooxazine), which has the characteristics of high light transmittance, difficult yellowing, high temperature resistance and the like, and the added spirooxazine photochromic material has the function of deepening color after absorbing ultraviolet rays, can effectively isolate ultraviolet irradiation and heat, and realizes heat insulation, thereby reducing the influence of high-temperature environment on the release film.

Referring to fig. 1, the sealing layer 5 covers both sides of the film base layer 1, and the film base layer 1, the resistant laminate 3 and the protective laminate 4 are all located inside the sealing layer 5. Through the encapsulation layer 5 to membrane basic unit 1 both sides, avoid hydrone and heat to cause the influence to membrane basic unit 1 from membrane basic unit 1 side, improve the protective effect, simultaneously, sealing layer 5 fixes resistant lamination 3 and protective lamination 4 inside self, strengthens this structural stability from the type membrane, has also prevented to be exposed in the air by oxidation from the type membrane for a long time, increase of service life.

An antistatic layer 6 is arranged at the upper end of the sealing layer 5. The antistatic layer 6 can be one of an antistatic fiber layer, an antistatic film layer and an antistatic coating, and the antistatic layer 6 can prevent the release film from being polluted by dust in the air due to electrostatic adsorption, thereby influencing the normal use of the release film.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. An adsorptive release film comprises a film base layer (1) and a release layer (2), and is characterized in that: the anti-cracking protective film is characterized in that a resistance laminated layer (3), a protection laminated layer (4) and a sealing layer (5) are sequentially arranged at the upper end of the film base layer (1) from one side close to the film base layer (1) to one side far away from the film base layer (1), the resistance laminated layer (3) comprises an anti-cracking layer (31) connected with the film base layer (1), a tensile layer (32) is connected to the anti-cracking layer (31), and the protection laminated layer (4) comprises a waterproof layer (41) and a light-variable composite heat insulation layer (42) which are sequentially arranged from top to bottom;

the sealing layer (5) coats two sides of the film base layer (1), and the film base layer (1), the resistance lamination layer (3) and the protection lamination layer (4) are all positioned inside the sealing layer (5).

2. An adsorptive release film according to claim 1, wherein: the release layer (2) is attached to the lower end of the film base layer (1), the release layer (2) is located outside the sealing layer (5), and an antistatic layer (6) is arranged at the upper end of the sealing layer (5).

3. An adsorptive release film according to claim 1, wherein: the anti-cracking layer (31) is an epoxy resin layer, and the tensile layer (32) is a flax fiber layer.

4. An adsorptive release film according to claim 1, wherein: the waterproof layer (41) is a breathable waterproof film, and the optically variable composite heat insulation layer (42) is a polyurethane adhesive layer.