Double-sided release film with light release force and heavy release force

Abstract

The utility model discloses a double-sided release film with light and heavy stripping force, which relates to the technical field of release films and comprises a double-sided release film body, a polyvinyl alcohol layer, a cellulose acetate layer, a hydrophobic and oleophobic layer and a PET (polyethylene terephthalate) base material layer. The cellulose acetate layer is laid at the top of the double-sided release film body, the PET base material layer is laid at the bottom of the cellulose acetate layer, the adhesive layer is laid at the bottom of the PET base material layer, and a plurality of silicon dioxide microsphere particles are arranged between the PET base material layer and the adhesive layer; according to the technical scheme provided by the utility model, the flexibility and durability of the release film can be better improved by utilizing the mounted polyvinyl alcohol layer and cellulose acetate layer, so that the service life of the release film can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of release films, in particular to a double-sided release film with light and heavy peeling forces. Background Art

[0002] With the development of mobile phones, laptops, various flat panel displays, home appliances and the electronics industry, the demand for high-end release films will continue to grow. The precision of electronic components used in mobile phones, laptops, flat panel displays, etc. is getting higher and higher, and the requirements for peeling force in the production process are becoming more and more stringent. The flexibility and durability of the existing double-sided light and heavy peeling force release films themselves need to be improved urgently, and the service life is relatively short. Therefore, a double-sided light and heavy peeling force release film is proposed. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a double-sided light and heavy peeling force release film to solve the problem that the flexibility and durability of the double-sided light and heavy peeling force release film of the prior art need to be improved urgently and the service life is relatively short.

[0004] In view of this, the utility model provides a double-sided light and heavy peeling force release film, comprising a double-sided release film body, a polyvinyl alcohol layer, a cellulose acetate layer, a hydrophobic and oleophobic layer and a PET substrate layer, the polyvinyl alcohol layer is laid at the bottom position of the double-sided release film body, the cellulose acetate layer is laid at the top position of the double-sided release film body, the bottom of the cellulose acetate layer is laid with a PET substrate layer, the bottom of the PET substrate layer is laid with an adhesive layer, and a plurality of silica microsphere particles are arranged between the PET substrate layer and the adhesive layer.

[0005] Preferably, the hydrophobic and oleophobic layer is laid on the top of the polyvinyl alcohol layer, and the hydrophobic and oleophobic layer is made of nano-organic and inorganic hybrid ultra-thin coating.

[0006] Preferably, a first non-release layer is laid on the top of the hydrophobic and oleophobic layer.

[0007] Preferably, the adhesive layer is formed by applying an adhesive.

[0008] Preferably: a second non-release layer is laid on the bottom of the adhesive layer.

[0009] Preferably, the double-sided release film body is bonded and fixed to the polyvinyl alcohol layer and the cellulose acetate layer respectively by glue.

[0010] Preferably, the cellulose acetate layer and the PET substrate layer are bonded and fixed by an adhesive.

[0011] It can be seen from the above technical solutions that the embodiments of the utility model have the following advantages:

[0012] 1. The utility model discloses a double-sided light and heavy peeling force release film, which can improve the flexibility and durability of the release film by using the installed polyvinyl alcohol layer and cellulose acetate layer, thereby helping to increase the service life of the release film.

[0013] 2. The utility model is a double-sided light and heavy peeling force release film. The installed PET substrate layer provides a stable support structure with good toughness and heat resistance. The installed adhesive layer can bond and fix the PET substrate layer to the second non-release layer. The use of silica microsphere particles can improve the overall hardness and wear resistance of the release film.

[0014] These features and advantages of the present invention will be disclosed in detail in the following specific implementation manners and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model.

[0017] Explanation of the accompanying drawings: 1. double-sided release film body; 2. polyvinyl alcohol layer; 3. cellulose acetate layer; 4. hydrophobic and oleophobic layer; 5. first non-release layer; 6. PET substrate layer; 7. adhesive layer; 8. second non-release layer. DETAILED DESCRIPTION

[0018] The following is an explanation and description of the technical scheme of the embodiment of the utility model in conjunction with the drawings of the embodiment of the utility model, but the following embodiment is only a preferred embodiment of the utility model, not all. Based on the embodiment in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the utility model.

[0019] A double-sided light and heavy peeling force release film according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0020] Example

[0021] For easier understanding, see Figure 1An embodiment of a double-sided light and heavy peeling force release film provided by the utility model comprises a double-sided release film body 1, a polyvinyl alcohol layer 2, a cellulose acetate layer 3, a hydrophobic and oleophobic layer 4 and a PET substrate layer 6, wherein the polyvinyl alcohol layer 2 is laid at the bottom position of the double-sided release film body 1, the cellulose acetate layer 3 is laid at the top position of the double-sided release film body 1, the bottom of the cellulose acetate layer 3 is laid with a PET substrate layer 6, the bottom of the PET substrate layer 6 is laid with an adhesive layer 7, and a plurality of silica microsphere particles are arranged between the PET substrate layer 6 and the adhesive layer 7.

[0022] It should be noted that the installed polyvinyl alcohol layer 2 and cellulose acetate layer 3 can improve the flexibility and durability of the release film, thereby helping to improve the service life of the release film. The installed PET substrate layer 6 provides a stable support structure with good toughness and heat resistance. The installed adhesive layer 7 can bond and fix the PET substrate layer 6 to the second non-release layer 8. The use of silica microsphere particles can improve the overall hardness and wear resistance of the release film.

[0023] The polyvinyl alcohol layer 2 is a film made of polyvinyl alcohol material, and the cellulose acetate layer 3 is a film made of cellulose acetate material.

[0024] In an optional embodiment: the hydrophobic and oleophobic layer 4 is laid on the top of the polyvinyl alcohol layer 2, and the hydrophobic and oleophobic layer 4 is made of a nano-organic-inorganic hybrid ultra-thin coating.

[0025] It should be noted that the hydrophobic and oleophobic layer 4 which is a nano-organic-inorganic hybrid ultra-thin coating can achieve a better hydrophobic and oleophobic effect.

[0026] In an optional embodiment: a first non-release layer 5 is laid on the top of the hydrophobic and oleophobic layer 4 ; and a second non-release layer 8 is laid on the bottom of the adhesive layer 7 .

[0027] It should be noted that the first non-release layer 5 and the second non-release layer 8 can be used to provide a shielding effect.

[0028] In an optional embodiment: the adhesive layer 7 is formed by applying an adhesive.

[0029] It should be noted that the adhesive layer 7 formed by applying an adhesive can achieve fixation of the structure connected to the adhesive layer 7 .

[0030] In an optional embodiment: the double-sided release film body 1 is bonded and fixed to the polyvinyl alcohol layer 2 and the cellulose acetate layer 3 respectively by glue.

[0031] It should be noted that the double-sided release film body 1 can be bonded and fixed to the polyvinyl alcohol layer 2 and the cellulose acetate layer 3 by using glue, thereby forming a whole.

[0032] In an optional embodiment: the cellulose acetate layer 3 and the PET substrate layer 6 are bonded and fixed by using an adhesive.

[0033] It should be noted that the cellulose acetate layer 3 and the PET substrate layer 6 can be bonded and fixed by using an adhesive.

[0034] Working principle: During use, the polyvinyl alcohol layer 2 and the cellulose acetate layer 3 can improve the flexibility and durability of the release film, thereby helping to increase the service life of the release film. The PET substrate layer 6 provides a stable support structure with good toughness and heat resistance. The installed adhesive layer 7 can bond and fix the PET substrate layer 6 to the second non-release layer 8. The use of silica microsphere particles can improve the overall hardness and wear resistance of the release film.

[0035] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A double-sided light and heavy peeling force release film, characterized in that: The double-sided release film comprises a double-sided release film body (1), a polyvinyl alcohol layer (2), a cellulose acetate layer (3), a hydrophobic and oleophobic layer (4) and a PET substrate layer (6), wherein the polyvinyl alcohol layer (2) is laid at the bottom of the double-sided release film body (1), the cellulose acetate layer (3) is laid at the top of the double-sided release film body (1), the PET substrate layer (6) is laid at the bottom of the cellulose acetate layer (3), the adhesive layer (7) is laid at the bottom of the PET substrate layer (6), and a plurality of silicon dioxide microsphere particles are arranged between the PET substrate layer (6) and the adhesive layer (7).

2. A double-sided light and heavy release film according to claim 1, characterized in that: The hydrophobic and oleophobic layer (4) is laid on top of the polyvinyl alcohol layer (2).

3. A double-sided light and heavy peeling force release film according to claim 2, characterized in that: A first non-release layer (5) is laid on the top of the hydrophobic and oleophobic layer (4).

4. A double-sided light and heavy peeling force release film according to claim 1, characterized in that: The adhesive layer (7) is formed by applying an adhesive.

5. A double-sided light and heavy release film according to claim 1, characterized in that: A second non-release layer (8) is laid on the bottom of the adhesive layer (7).

6. A double-sided light and heavy release film according to claim 1, characterized in that: The double-sided release film body (1) is bonded and fixed to the polyvinyl alcohol layer (2) and the cellulose acetate layer (3) respectively by glue.

7. A double-sided light and heavy release film according to claim 1, characterized in that: The cellulose acetate layer (3) and the PET substrate layer (6) are bonded and fixed by using an adhesive.

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