CN210736649U

CN210736649U - Release film

Info

Publication number: CN210736649U
Application number: CN201921165863.9U
Authority: CN
Inventors: 周运垚; 席忠飞; 刘虎林; 孙立伟
Original assignee: SHENZHEN MOMA TECHNOLOGY CO LTD
Current assignee: SHENZHEN MOMA TECHNOLOGY CO LTD
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-06-12
Anticipated expiration: 2029-07-23

Abstract

The embodiment of the utility model provides a relate to membrane material technical field, especially relate to a release liner, include: a substrate comprising a first surface and a second surface; the first printing layer is coated on the first surface; the first antistatic layer is coated on the first printing layer; the first release layer is coated on the first antistatic layer; first tear the portion on hand, be fixed in the edge of substrate one side, first tear the portion protrusion in first printing layer first antistatic layer with first from the type layer. In this way, the embodiment of the utility model provides an in release film have better prevent that static can print the ability and pick up and tear the ability of leaving.

Description

Release film

Technical Field

The embodiment of the utility model provides a relate to membrane material technical field, especially relate to one kind from type membrane.

Background

The release film is widely applied to industries of electronic products, die cutting, printing and the like, is used for compounding with adhesive products, and has the effects of easy peeling, isolation, transfer, bearing, protection and the like.

The utility model discloses the inventor is realizing the utility model discloses an in-process discovers: in the using process, the release film can rub against a machine guide roller and the release film to generate static electricity, so that great influence and damage are caused to production, such as dust adsorption, coating breakdown, electronic element damage, human body electric shock and the like; the surface energy of the release film is low, the release film is difficult to mark, and the release film is easy to be confused in the using process; after the release film is attached to a product, the release film is difficult to pick up by a mechanical arm or a worker, so that the tearing of the release film is influenced; the existing release film usually has only single antistatic or single printable performance and does not have the function of convenient pickup.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide one kind from the type membrane, have better prevent static, can print the ability and pick up and tear from the ability.

In order to solve the technical problem, the embodiment of the utility model provides an adopt following technical scheme: provided is a release film comprising: a substrate comprising a first surface and a second surface; the first printing layer is coated on the first surface; the first antistatic layer is coated on the first printing layer; the first release layer is coated on the first antistatic layer; first tear the portion on hand, be fixed in the edge of substrate one side, first tear the portion protrusion in first printing layer first antistatic layer with first from the type layer.

In some embodiments, the release film further comprises a second printed layer, a second antistatic layer, and a second release layer; the second printing layer is coated on the second surface, the second anti-static layer is coated on the second printing layer, and the second release layer is coated on the second anti-static layer.

In some embodiments, the release film further comprises a first protective film and a second tear portion; the first protective film covers the first release layer; the second tearing portion is fixed on the edge of one side, away from the first tearing portion, of the first protection film, and the second tearing portion protrudes out of the first protection film.

In some embodiments, the release film further comprises a second protective film and a third hand-tear portion; the second protective film covers the second release layer; the third hand tearing portion is fixed on the edge of one side, away from the first hand tearing portion, of the second protective film, and the third hand tearing portion protrudes out of the second protective film.

In some embodiments, the number of the first tear tabs, the second tear tabs and the third tear tabs is multiple; the first hand-tearing parts are arranged at the edge of one side of the base material at intervals, the second hand-tearing parts are arranged at the edge of one side of the first protection film at intervals, and the third hand-tearing parts are arranged at the edge of one side of the second protection film at intervals.

In some embodiments, the first surface of the substrate is provided with a plurality of first grooves, and a surface of the first printing layer facing the substrate is provided with a plurality of first protrusions, and the first protrusions are in concave-convex fit with one of the first grooves.

In some embodiments, a plurality of third protrusions are arranged on a surface of the first release layer away from the first antistatic layer; and a plurality of fourth bulges are arranged on one surface of the second release layer, which is far away from the second anti-static layer.

In some embodiments, the substrate is a plastic film substrate.

In some embodiments, the first and second printed layers have a thickness of 0.1 μm; the thickness of the first antistatic layer and the second antistatic layer was 0.1 μm.

The utility model has the advantages that: the release film provided by the embodiment of the utility model is characterized in that a first printing layer is coated on the first surface of a substrate, a first antistatic layer is coated on the first printing layer, a first release layer is coated on the first antistatic layer, and a first tearing part is fixed on the edge of one side of the substrate and protrudes out of the first printing layer, the first antistatic layer and the first release layer; the first printing layer can print pictures and texts, so that the first surface of the release film has higher identification degree, and meanwhile, the substrate and the first antistatic layer can be effectively bonded; the first antistatic layer realizes the functions of preventing electrostatic breakdown and electrostatic dust adsorption of the first release layer, enhances the adhesive force between the first release layer and the printing layer and reduces the desiliconization risk; the first release layer overcomes the defect that the first antistatic layer is directly exposed to the environment and fails in attenuation, and can effectively perform a stripping function; after leaving type membrane laminating product, first hand tears the portion, can effectively make manipulator or manual work pick up and get from the type membrane to can tear from the type membrane fast and separate.

Drawings

Fig. 1 is a cross-sectional structure view of a release film according to an embodiment of the present invention;

fig. 2 is another cross-sectional structural view of a release film according to an embodiment of the present invention;

fig. 3 is another cross-sectional structural view of a release film according to an embodiment of the present invention;

fig. 4 is another cross-sectional structural view of a release film according to an embodiment of the present invention;

FIG. 5 is a view showing an arrangement structure of third protrusions provided on the first release layer;

fig. 6 is an arrangement structure diagram of fourth protrusions provided on the second release layer.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and embodiments.

Referring to fig. 1, fig. 1 is a cross-sectional structure diagram of a release film according to an embodiment of the present invention, the release film includes: substrate 1, first printing layer 2, first antistatic layer 3, first from type layer 4 and first hand tear portion 5.

The substrate 1 comprises a first surface and a second surface, wherein the first surface and the second surface are two surfaces arranged in two pairs. And the first printing layer 2 is coated on the first surface. And the first antistatic layer 3 is coated on the first printing layer 2. And the first release layer 4 is coated on the first antistatic layer 3. First tear portion 5 on hand, be fixed in the edge of 1 one side of substrate, first tear portion 5 protrusion in first printing layer 2, first antistatic layer 3 and first from type layer 4.

First printing layer 2 is used for printing the picture and text and makes from type membrane first surface have higher degree of distinguishing, simultaneously, can effectively bond substrate 1 and first antistatic layer 3. In some embodiments, the first printed layer 2 has a thickness of 0.1 μm, covers the surface of the substrate 1, can serve as a carrier of the identification information, and can also adhere the substrate 1 and the first antistatic layer 3. First antistatic layer 3 realizes preventing first type layer 4 electrostatic breakdown, the effect of electrostatic absorption dust, has strengthened first adhesive force from type layer 4 and first printing layer 2 simultaneously, has reduced the risk of desiliconizing. In some embodiments, the first antistatic layer 3 is 0.1 μm thick. The first release layer 4 overcomes the defect that the first antistatic layer 3 is directly exposed to the environment and loses attenuation failure, and can effectively play a role in stripping; after leaving type membrane laminating product, first tear portion 5 on the hand can effectively make manipulator or manual work pick up get from the type membrane to can tear from the type membrane fast and separate.

In some embodiments, the substrate 1 is a plastic film, lightweight and has good mechanical properties.

Referring to fig. 2, the release film further includes a second printing layer 6, a second anti-static layer 7 and a second release layer 8. The second printing layer 6 is coated on the second surface, the second anti-static layer 7 is coated on the second printing layer 6, and the second release layer 8 is coated on the second anti-static layer 7. The functional coating of substrate 1 both sides is the symmetric distribution for substrate 1 first surface and second surface all have antistatic printing release effect, simultaneously, have eliminated substrate 1 because of the inconsistent warpage that leads to of both sides material. In some embodiments, the second printed layer 6 is 0.1 μm thick and the second antistatic layer 7 is 0.1 μm thick.

In order to protect the first release layer 4 and the second release layer 8, please refer to fig. 3, the release film further includes a first protection film 9, a second hand-tearing portion 10, a second protection film 11, and a third hand-tearing portion 12. The first protection film 9 covers the first release layer 4, the second tearing portion 10 is fixed on the edge of one side, away from the first tearing portion 5, of the first protection film 9, the second tearing portion 10 protrudes out of the first protection film 9, the first protection film 9 can prevent the first release layer 4 from being damaged, and the second tearing portion 10 enables the first protection film 9 to be picked up and uncovered quickly. The second protection film 11 covers on the second is from type layer 8, and third hand tears portion 12 is fixed in the edge of second protection film 11 and keeps away from one side of first hand tears portion 5, and third hand tears portion 12 protrusion in second protection film 11, and second protection film 11 can prevent that the second from type layer 8 and receive the destruction, and third hand tears 12 portion and enables second protection film 11 and is picked up fast and take off.

The number of the first tear portions 5, the second tear portions 10, and the third tear portions 12 is plural. The first hand-torn portions 5 are provided at intervals at the edge of one side of the base material 1, the second hand-torn portions 10 are provided at intervals at the edge of one side of the first protective film 9, and the third hand-torn portions 12 are provided at intervals at the edge of one side of the second protective film 11.

In order to improve the bonding force between the substrate 1 and the first and

second printing layers

2 and 6, please refer to fig. 4, a plurality of first grooves 101 are formed on the first surface of the substrate 1, a plurality of first protrusions 102 are formed on a surface of the first printing layer 2 facing the substrate 1, the first protrusions 102 are in concave-convex fit with the first grooves 101, and the concave-convex structures in mutual fit enable the substrate 1 and the first printing layer 2 to be bonded and fastened. The second surface of substrate 1 is provided with a plurality of second recesses 103, and second printing layer 6 is provided with a plurality of second archs 104 towards a surface of substrate 1, and the protruding second recess 103 of second 104 is the concave-convex cooperation, and the concave-convex structure of mutually supporting makes substrate 1 and second printing layer 6 bonding fastening.

In order to improve the air permeability of the release film, please refer to fig. 5, a plurality of third protrusions 401 are disposed on a surface of the first release layer 4 away from the first antistatic layer 3. Referring to fig. 6, a plurality of fourth protrusions 801 are disposed on a surface of the second release layer 8 away from the second anti-static layer 7. When the release film is attached to a product, the third protrusions 401 and the fourth protrusions 801 improve air permeability, the function of automatically removing bubbles during attachment of the release film is achieved, meanwhile, the surface of the release film is rough, and the peeling capacity is improved.

It should be noted that: in some embodiments, the shape and arrangement of the third protrusions 401 are not limited to those shown in fig. 4, the shape and arrangement of the fourth protrusions 801 are not limited to those shown in fig. 5, the shape of the third protrusions 401 and the fourth protrusions 801 may be regular or irregular geometric shapes, and the arrangement of the third protrusions 401 and the fourth protrusions 801 may be in other arrangements.

In the embodiment of the present invention, a first printing layer 2 is coated on a first surface of a substrate 1, a first antistatic layer 3 is coated on the first printing layer 2, a first release layer 4 is coated on the first antistatic layer 3, and a first hand-tearing portion 5 is fixed on an edge of one side of the substrate 1, wherein the first hand-tearing portion 5 protrudes from the first printing layer 2, the first antistatic layer 3 and the first release layer 4; the first printing layer 2 can print pictures and texts to ensure that the first surface of the release film has higher identification degree, and meanwhile, the substrate 1 and the first antistatic layer 3 can be effectively bonded; the first antistatic layer 3 realizes the functions of preventing the first release layer 4 from electrostatic breakdown and adsorbing dust by static electricity, enhances the adhesive force between the first release layer 4 and the printing layer and reduces the desiliconization risk; the first release layer 4 overcomes the defect that the first antistatic layer 3 is directly exposed to the environment and loses attenuation failure, and can effectively play a role in stripping; after leaving type membrane laminating product, first tear portion 5 on the hand can effectively make manipulator or manual work pick up get from the type membrane to can tear from the type membrane fast and separate.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above features are combined with each other to form various embodiments not listed above, and all of them are considered as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. A release film, comprising:

a substrate (1) comprising a first surface and a second surface;

a first printed layer (2) coated on the first surface;

the first antistatic layer (3) is coated on the first printing layer (2);

the first release layer (4) is coated on the first antistatic layer (3);

first tear portion (5), be fixed in the edge of substrate (1) one side, first tear portion (5) protrusion in first printing layer (2) first antistatic layer (3) with first from type layer (4).

2. The release film according to claim 1, further comprising a second printed layer (6), a second antistatic layer (7) and a second release layer (8);

the second printing layer (6) is coated on the second surface, the second anti-static layer (7) is coated on the second printing layer (6), and the second release layer (8) is coated on the second anti-static layer (7).

3. The release film according to claim 2, further comprising a first protective film (9) and a second tear portion (10);

the first protective film (9) covers the first release layer (4);

the second tearing portion (10) is fixed to the edge of one side, away from the first tearing portion (5), of the first protection film (9), and the second tearing portion (10) protrudes out of the first protection film (9).

4. The release film according to claim 3, further comprising a second protective film (11) and a third hand-tear portion (12);

the second protective film (11) covers the second release layer (8);

the third hand tearing portion (12) is fixed to the edge, away from one side of the first hand tearing portion (5), of the second protective film (11), and the third hand tearing portion (12) protrudes out of the second protective film (11).

5. The release film according to claim 4,

the number of the first hand-tearing parts (5), the second hand-tearing parts (10) and the third hand-tearing parts (12) is multiple;

the first hand-tearing parts (5) are arranged at intervals on the edge of one side of the base material (1), the second hand-tearing parts (10) are arranged at intervals on the edge of one side of the first protection film (9), and the third hand-tearing parts (12) are arranged at intervals on the edge of one side of the second protection film (11).

6. Release film according to any one of claims 1 to 5, characterized in that the first surface of the substrate (1) is provided with a plurality of first recesses (101), and the surface of the first print layer (2) facing the substrate (1) is provided with a plurality of first protrusions (102), the first protrusions (102) being in a concave-convex fit with one of the first recesses (101).

7. Release film according to any one of claims 1 to 5, characterized in that the second surface of the substrate (1) is provided with a plurality of second recesses (103), and the surface of the second print layer (6) facing the substrate (1) is provided with a plurality of second protrusions (104), the second protrusions (104) being in a concave-convex fit with the second recesses (103).

8. The release film according to any one of claims 2 to 5, wherein a surface of the first release layer (4) away from the first antistatic layer (3) is provided with a plurality of third protrusions (401); and a plurality of fourth bulges (801) are arranged on one surface of the second release layer (8) far away from the second anti-static layer (7).

9. Release film according to any one of claims 1 to 5, characterized in that the substrate (1) is a plastic film.

10. Release film according to any one of claims 2 to 5, characterized in that the first printed layer (2) and the second printed layer (6) have a thickness of 0.1 μm; the thickness of the first antistatic layer (3) and the second antistatic layer (7) was 0.1 μm.