Protective release paper

Abstract

The utility model relates to protective release paper which comprises a release paper base layer, a first functional layer is arranged above the release paper base layer, and a second functional layer is arranged below the release paper base layer. The first functional layer sequentially comprises a lamination layer, an isolating layer and a first protective layer from inside to outside; the second functional layer sequentially comprises a breathable layer, a dust-free cloth layer, a release film layer and a second protective layer from inside to outside. According to the release paper, the functional layers are arranged on the two sides of the release paper base layer, so that a bidirectional protection effect can be achieved, and the two surfaces of the release paper can be used.

Description

Technical Field

[0001] The utility model relates to the technical field related to release paper, in particular to a protective release paper. Background Art

[0002] Release paper is a kind of anti-adhesive paper that prevents the prepreg from sticking and protects the prepreg from contamination. Release paper is made of paper coated with anti-adhesive material, and its type is differentiated according to the material, thickness, elongation, single-sided and double-sided differences.

[0003] After massive searches, it was found that the prior art publication number is CN213447880U, which discloses environmentally friendly odorless release paper in the field of release paper, including release paper, the upper surface of the release paper is an upper silicone oil layer, the lower end of the upper silicone oil layer is fixedly connected to an upper anti-wrinkle layer, the lower end of the upper anti-wrinkle layer is fixedly connected to a bottom paper layer, the lower end of the bottom paper layer is fixedly connected to a lower anti-wrinkle layer, and the lower end of the lower anti-wrinkle layer is fixedly connected to a lower silicone oil layer. The release paper is in a roll shape and a reel is installed on the inside, a rotating shaft is installed in the reel, a handle is installed on the inside of the rotating shaft, a sealing cover is installed at the connection between the handle and the reel, a connecting cover is fixedly connected to the outer end of the handle, and a pull ring is fixedly connected to the outer end of the connecting cover, and the reel is supported by the handle. When the release paper is used, the handle is pulled out of the reel, and then the release paper can be pulled and used by holding the handle, which is convenient and quick. After the release paper is used up, the handle can be inserted into the reel for storage to reduce its occupation of space.

[0004] In summary, the existing release paper is provided with an anti-wrinkle layer and a silicone oil layer on both sides, which can play an anti-wrinkle role, but the protection performance of the release paper is poor during daily storage.

[0005] In view of the above-mentioned defects, the designer actively carried out research and innovation in order to create a protective release paper to make it more valuable for industrial use. Utility Model Content

[0006] In order to solve the above technical problems, the purpose of the utility model is to provide a protective release paper.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A protective release paper comprises a release paper base layer, a first functional layer is arranged above the release paper base layer, and a second functional layer is arranged below the release paper base layer;

[0009] The first functional layer includes a coating layer, an isolation layer and a first protective layer from the inside to the outside;

[0010] The second functional layer includes, from inside to outside, a breathable layer, a dust-free cloth layer, a release film layer and a second protective layer.

[0011] As a further improvement of the utility model, the coating layer is a PE coating.

[0012] As a further improvement of the utility model, the isolation layer is silicone oil isolation paper or silicone oil isolation coating.

[0013] As a further improvement of the utility model, the first protective layer and the second protective layer have the same composition structure, and the first protective layer or the second protective layer is a chlorinated polyethylene layer.

[0014] As a further improvement of the utility model, the first protective layer includes a kraft paper layer and a woven layer from the inside to the outside, and the second protective layer is a chlorinated polyethylene layer.

[0015] As a further improvement of the utility model, the air permeable layer is a polyvinyl chloride film layer.

[0016] As a further improvement of the present invention, the thickness ratio of the first functional layer to the second functional layer is 1:1-2.

[0017] As a further improvement of the utility model, the thickness ratio of the coating layer, the isolation layer and the first protective layer is 1:1:2.

[0018] As a further improvement of the utility model, the thickness ratio of the breathable layer, the dust-free cloth layer, the release film layer and the second protective layer is 1:1:1:2.

[0019] By means of the above solution, the utility model has at least the following advantages:

[0020] The utility model can play a bidirectional protection role by arranging functional layers on both sides of the release paper base layer, so that the release paper can be used on both sides;

[0021] The first functional layer of the utility model can play a good dust and moisture proof effect through the structural arrangement of the coating layer, the isolation layer and the first protective layer;

[0022] The second functional layer of the utility model has high temperature resistance performance on the premise of having good dustproofness and air permeability through the structural arrangement of the air permeable layer, the dust-free cloth layer, the release film layer and the second protective layer.

[0023] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 The utility model is a structural schematic diagram of a protective release paper.

[0026] The meanings of the various reference numerals in the figures are as follows.

[0027] Release paper base layer 1, coating layer 2, isolation layer 3, first protective layer 4, breathable layer 5, dust-free cloth layer 6, release film layer 7, second protective layer 8. DETAILED DESCRIPTION

[0028] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0029] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model usually described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but only represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0030] Example

[0031] like Figure 1 As shown,

[0032] A protective release paper comprises a release paper base layer 1, a first functional layer is arranged above the release paper base layer 1, and a second functional layer is arranged below the release paper base layer 1, wherein the thickness ratio of the first functional layer to the second functional layer is 1:1-2.

[0033] 1. The first functional layer includes a coating layer 2, an isolation layer 3 and a first protective layer 4 from the inside to the outside, and the thickness ratio of the coating layer 2, the isolation layer 3 and the first protective layer 4 is 1:1:2.

[0034] The coating layer 2 is a PE coating, which has easy peeling stability, and the peeling force does not increase significantly after several days or long-term application, and is easy to peel off.

[0035] The isolation layer 3 is silicone oil isolation paper or silicone oil isolation coating. For example, when silicone oil isolation coating is used, a thin isolation layer can be formed to prevent or slow down the mutual adhesion between the release paper base layers 1.

[0036] 2. The second functional layer includes a breathable layer 5, a dust-free cloth layer 6, a release film layer 7 and a second protective layer 8 from the inside to the outside. The thickness ratio of the breathable layer 5, the dust-free cloth layer 6, the release film layer 7 and the second protective layer 8 is 1:1:1:2.

[0037] The air permeable layer 5 is a polyvinyl chloride film layer. The polyvinyl chloride film has good air permeability and waterproof properties and can provide good air permeability.

[0038] The dust-free cloth layer 6 can play a good role in preventing dust and absorbing water.

[0039] The structures of the first protective layer 4 and the second protective layer 8 may be the same or different.

[0040] 1. The first protective layer 4 and the second protective layer 8 have the same composition structure. The first protective layer 4 or the second protective layer 8 is a chlorinated polyethylene layer, which has excellent high temperature resistance and flame retardancy.

[0041] 2. The first protective layer 4 includes a kraft paper layer and a woven layer from the inside to the outside. The kraft paper layer can prevent dust, and the woven layer can provide external moisture-proof protection. The second protective layer 8 is a chlorinated polyethylene layer.

[0042] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly referring to the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0043] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection: it can be a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A protective release paper, comprising a release paper base layer (1), a first functional layer being arranged above the release paper base layer (1), and a second functional layer being arranged below the release paper base layer (1); Features: The first functional layer comprises, from the inside to the outside, a coating layer (2), an isolation layer (3) and a first protective layer (4); The second functional layer comprises, from the inside to the outside, a breathable layer (5), a dust-free cloth layer (6), a release film layer (7) and a second protective layer (8).

2. The protective release paper according to claim 1, characterized in that: The coating layer (2) is a PE coating.

3. The protective release paper according to claim 1, characterized in that: The isolation layer (3) is silicone oil isolation paper or silicone oil isolation coating.

4. The protective release paper according to claim 1, characterized in that: The first protective layer (4) and the second protective layer (8) have the same composition structure, and the first protective layer (4) or the second protective layer (8) is a chlorinated polyethylene layer.

5. The protective release paper according to claim 1, characterized in that: The first protective layer (4) comprises a kraft paper layer and a woven layer from the inside to the outside, and the second protective layer (8) is a chlorinated polyethylene layer.

6. The protective release paper according to claim 1, characterized in that: The air permeable layer (5) is a polyvinyl chloride film layer.

7. The protective release paper according to claim 1, characterized in that: The thickness ratio of the first functional layer to the second functional layer is 1:1-2.

8. The protective release paper according to claim 1, characterized in that: The thickness ratio of the coating layer (2), the isolation layer (3) and the first protective layer (4) is 1:1:

2.

9. The protective release paper according to claim 1, characterized in that: The thickness ratio of the air permeable layer (5), the dust-free cloth layer (6), the release film layer (7) and the second protective layer (8) is 1:1:1:2.

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