CN217347052U

CN217347052U - Anti-deformation optical adhesive tape

Info

Publication number: CN217347052U
Application number: CN202221245612.3U
Authority: CN
Inventors: 姜欣; 黄新波
Original assignee: Nantong Kangerle Composite Material Co ltd
Current assignee: Nantong Kangerle Composite Material Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-02
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a resistance to deformation optical adhesive tape, including the sticky tape body, the sticky tape body includes transparent substrate layer, first buffer layer, second buffer layer, fire-retardant layer and leaves the type rete, and first buffer layer is compound in transparent substrate layer lower surface, and first buffer layer passes through OCA optical cement layer bonding second buffer layer, and fire-retardant layer is compound in second buffer layer lower surface, from the type rete compound in fire-retardant layer lower surface, the utility model discloses simple structure, the cost of manufacture is low, and whole shock-absorbing capacity is strong, is difficult for appearing the deformation pine phenomenon of taking off after the bonding, long service life.

Description

Anti-deformation optical adhesive tape

Technical Field

The utility model relates to an optical adhesive tape technical field specifically is an anti-deformation optical adhesive tape.

Background

An OCA (optical Clear adhesive) is used for cementing a special adhesive of a transparent optical element (such as a lens) and generally requires colorless transparency, light transmittance of more than 90 percent, good cementing strength, capability of curing at room temperature or intermediate temperature, small curing shrinkage and the like.

With the rapid development of electronic technology, electronic products such as mobile phones, computers, televisions and the like become necessities of life of people, the OCA optical tape is one of the important raw materials of touch screens, the existing optical tape has certain shock absorption and buffering performance, but the buffering performance is poor, and the deformation phenomenon is easy to occur after the optical tape is impacted by external force, so that the service life is influenced, and therefore, improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistance to deformation optical adhesive tape to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistance to deformation optical adhesive tape, includes the sticky tape body, the sticky tape body includes transparent substrate layer, first buffer layer, second buffer layer, fire-retardant layer and leaves the type rete, first buffer layer complex is in transparent substrate layer lower surface, first buffer layer passes through OCA optical adhesive layer and bonds the second buffer layer, fire-retardant layer complex is in second buffer layer lower surface, it compounds in fire-retardant layer lower surface to leave the type rete.

Preferably, the anti-deformation optical adhesive tape provided by the application, wherein the first buffer layer and the second buffer layer have the same structure and comprise a buffer layer body, the buffer layer body is made of foamed polyethylene, shock absorption bags are uniformly distributed in the buffer layer body, and air is filled in the shock absorption bags.

Preferably, the deformation-resistant optical adhesive tape provided by the application has a thickness of the OCA optical adhesive layer of 20 to 60 micrometers.

Preferably, the deformation-resistant optical adhesive tape is characterized in that the flame-retardant layer is made of a flame-retardant polyacrylate material, and the thickness of the flame-retardant layer is 10-20 micrometers.

Preferably, the deformation-resistant optical adhesive tape provided by the present application, wherein the release film layer is a silicone release film.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure, low manufacturing cost, strong overall buffer performance, difficult deformation and loosening after bonding and long service life; wherein, the material of buffer layer body is foaming polyethylene, the inside evenly distributed of buffer layer body has the shock attenuation bag, and the shock attenuation bag intussuseption is filled with air, adopts double-deck buffer layer, can further improve the shock attenuation shock-absorbing capacity of optical adhesive tape, can provide effectual buffering to external impact to increase the life of sticky tape, the fire-retardant layer of adoption can improve the whole fire behaviour of sticky tape, can not appear ageing phenomenon under being in the high temperature for a long time.

Drawings

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

FIG. 2 is a cross-sectional view of the buffer layer of the present invention;

in the figure: sticky tape body 1, transparent substrate layer 2, first buffer layer 3, second buffer layer 4, fire-retardant layer 5, from type rete 6, OCA optical cement layer 7, buffer layer body 8, shock attenuation bag 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a resistance to deformation optical adhesive tape, includes the sticky tape body 1, sticky tape body 1 includes transparent substrate layer 2, first buffer layer 3, second buffer layer 4, fire-retardant layer 5 and leaves type rete 6, first buffer layer 3 is compound in transparent substrate layer 2 lower surface, first buffer layer 3 bonds second buffer layer 4 through OCA optical adhesive layer 7, OCA optical adhesive layer 7 thickness is 20 microns-60 microns, fire-retardant layer 5 is compound in second buffer layer 4 lower surface, it compounds in fire-retardant layer 5 lower surface to leave type rete 6, it adopts silicon oil to leave type membrane from type rete 6.

The utility model discloses in,

first buffer layer

3 and 4 structures of second buffer layer are unanimous, including buffer layer body 8, buffer layer body 8's material is foaming polyethylene, buffer layer body 8's inside evenly distributed has shock attenuation bag 9, and shock attenuation bag 9 intussuseption is filled with the air, adopts double-deck buffer layer, can further improve the shock attenuation shock-absorbing capacity of optical adhesive tape.

The utility model discloses in, fire-retardant layer 5 is made by fire-retardant polyacrylate material, fire-retardant layer 5 thickness is 10 microns-20 microns. The flame-retardant layer can improve the whole flame-retardant performance of the adhesive tape, and the adhesive tape can not age when being at high temperature for a long time.

In conclusion, the utility model has simple structure, low manufacturing cost, strong overall buffer performance, difficult deformation and loosening after bonding and long service life; wherein, the material of buffer layer body is expanded polyethylene, the inside evenly distributed of buffer layer body has the shock attenuation bag, and the shock attenuation bag intussuseption is filled with air, adopts double-deck buffer layer, can further improve optical adhesive tape's shock attenuation shock-absorbing capacity, can provide effectual buffering to external impact to increase the life of sticky tape, the fire-retardant layer of adoption can improve the whole fire behaviour of sticky tape, can not appear ageing phenomenon under being in high temperature for a long time.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. The utility model provides a resistance to deformation optical adhesive tape, includes sticky tape body (1), its characterized in that: the adhesive tape comprises an adhesive tape body (1) and is characterized in that the adhesive tape body (1) comprises a transparent base material layer (2), a first buffer layer (3), a second buffer layer (4), a flame-retardant layer (5) and a release film layer (6), wherein the first buffer layer (3) is compounded on the lower surface of the transparent base material layer (2), the first buffer layer (3) is bonded with the second buffer layer (4) through an OCA optical adhesive layer (7), the flame-retardant layer (5) is compounded on the lower surface of the second buffer layer (4), and the release film layer (6) is compounded on the lower surface of the flame-retardant layer (5).

2. The anti-deformation optical adhesive tape according to claim 1, wherein: first buffer layer (3) and second buffer layer (4) structure are unanimous, including buffer layer body (8), the material of buffer layer body (8) is foaming polyethylene, the inside evenly distributed of buffer layer body (8) has shock attenuation bag (9), and shock attenuation bag (9) intussuseption is filled with the air.

3. The anti-deformation optical adhesive tape according to claim 1, wherein: the thickness of the OCA optical adhesive layer (7) is 20-60 micrometers.

4. The anti-deformation optical adhesive tape according to claim 1, wherein: the flame-retardant layer (5) is made of a flame-retardant polyacrylate material, and the thickness of the flame-retardant layer (5) is 10-20 micrometers.

5. The anti-deformation optical adhesive tape according to claim 1, wherein: the release film layer (6) is a silicone oil release film.