CN217838786U - Polyimide adhesive tape with release type back surface - Google Patents

Abstract

The utility model relates to an sticky tape technical field, in particular to polyimide sticky tape from type is taken at the back, include: a base layer made of polyimide; an organic silicon pressure-sensitive adhesive layer is arranged on one end face of the base layer; the release component is arranged on the other end surface of the base layer and is used for pulling the adhesive tape open by a user; from type subassembly including bonding from the type layer on the terminal surface that deviates from organosilicon pressure sensitive adhesive layer in basic unit, locate from the type board on the type layer, from type board partial protrusion from the type layer. An organic silicon pressure-sensitive adhesive layer is arranged on one end face of a base layer, and a release layer and a release plate bonded on the release layer are arranged on the other end of the base layer; the user directly stimulates the part from the type layer from the type board protrusion, moves from the type layer and makes basic unit and organosilicon pressure sensitive adhesive layer receive the pulling force from the type board, and organosilicon pressure sensitive adhesive layer atress breaks away from with the mould or the goods that bond, can reduce the cull when this sticky tape is opened a book, can take off this sticky tape, convenient and fast to the part application of force from the type board protrusion from the type layer.

Description

Polyimide adhesive tape with release type back surface

Technical Field

The utility model relates to an sticky tape technical field, in particular to polyimide sticky tape of type is left from the tape back.

Background

The polyimide adhesive tape is prepared by taking a polyimide film as a base material and adopting an organic silicon pressure-sensitive adhesive, and has the performances of high and low temperature resistance, acid and alkali resistance, solvent resistance, electrical insulation (H grade), radiation protection and the like. The method is suitable for wave soldering shielding of an electronic circuit board, protection of gold fingers, insulation of high-grade electrical appliances, motor insulation and fixation of the positive and negative electrode lugs of the lithium battery.

In the prior art, the polyimide adhesive tape is directly adhered to a mold, a product or other places needing insulation package, and when the polyimide adhesive tape needs to be torn off, a user opens the polyimide adhesive tape with a nail and slowly tears off the polyimide adhesive tape.

In the practical application process, the adhesion tightness degree of the polyimide adhesive tape is high, the polyimide adhesive tape is inconvenient to tear by a user, residual adhesive is easy to leave to influence the subsequent operation, and therefore the polyimide adhesive tape with the back release type is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a polyimide adhesive tape with a back release function, which is characterized in that an organic silicon pressure-sensitive adhesive layer is arranged on one end surface of a base layer, a release layer and a release plate bonded on the release layer are arranged at the other end of the base layer; during the use, the user directly stimulates the part of leaving the type layer from the type board protrusion, moves from the type layer and makes basic unit and organosilicon pressure sensitive adhesive layer receive the pulling force from the type board, and organosilicon pressure sensitive adhesive layer atress breaks away from with the mould or the goods that bond, can take off this sticky tape from the partial application of force on type board protrusion type layer, and convenient and fast has promoted the efficiency of taking off this sticky tape greatly.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a polyimide tape with a back release type includes: a base layer made of polyimide;

an organic silicon pressure-sensitive adhesive layer is arranged on one end face of the base layer;

the release component is arranged on the other end face of the base layer and is used for pulling the adhesive tape open by a user;

the release assembly comprises a release layer bonded on the end face of the base layer departing from the organic silicon pressure-sensitive adhesive layer, and a release plate arranged on the release layer, wherein the release plate is partially protruded from the release layer.

Through adopting above-mentioned technical means, during the use, the user directly stimulates the part of leaving the type layer from the type board protrusion, leaves the type board and moves from the type layer and make basic unit and organosilicon pressure sensitive adhesive layer receive the pulling force, and organosilicon pressure sensitive adhesive layer atress breaks away from with the mould or the goods that bond, and the cull when reducible this sticky tape is opened a book reduces the loss, can take off this sticky tape to the part application of force from the type board protrusion from the type layer, and convenient and fast has promoted the efficiency of taking off this sticky tape greatly.

As a preferred scheme of the utility model, set up the hand-hole that supplies the user to exert oneself from the part on type layer from the type board protrusion.

As a preferred scheme of the utility model, the separation plate is the pear type.

As a preferred scheme of the utility model, the basic unit all is equipped with waterproof coating film along the ascending both sides of self length direction.

Through adopting above-mentioned technical scheme, waterproof coating film has good waterproof performance, can effectively prevent that water or partial solution from leading to the fact in the side infiltration of basic unit to lose viscidity in the basic unit, helps keeping the insulating properties of basic unit, has dampproofing function, can promote the save time of basic unit.

As a preferred scheme of the utility model, waterproof coating film all is equipped with the banding along the ascending both sides of basic unit length direction.

As a preferred scheme of the utility model, the release layer is the component that waterborne non-silicon mold release made.

To sum up, the utility model discloses following beneficial effect has:

1. when the adhesive tape is used, a user directly pulls the part of the release plate protruding out of the release layer, the release plate drives the release layer to enable the base layer and the organic silicon pressure-sensitive adhesive layer to be subjected to tension, the organic silicon pressure-sensitive adhesive layer is stressed to be separated from a bonded mold or a bonded product, the residual adhesive during uncoiling of the adhesive tape can be reduced, the loss is reduced, the adhesive tape can be taken down by applying force to the part of the release plate protruding out of the release layer, the adhesive tape is convenient and quick, and the efficiency of taking down the adhesive tape is greatly improved;

2. by arranging the pull hole, a user can hook the pull hole through fingers to apply force, so that the user can apply force conveniently, and for users with weak force, the pull hole can be hooked by using tools such as a hook and the like to apply force, so that the requirements of users with different forces can be met;

3. set up waterproof coating film and banding through both sides on basic unit self length direction, the banding can be protected both sides and waterproof coating film on the basic unit length direction, effectively reduces the risk that the both sides on the basic unit length direction and waterproof coating film appear opening a book, keeps the stability of basic unit and waterproof coating film.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front sectional view of fig. 1 taken along the middle of the release plate.

The numbers and letters in the figures represent the respective part names:

1. a base layer; 11. waterproof coating; 12. edge sealing; 2. an organosilicon pressure-sensitive adhesive layer; 3. a release assembly; 31. a release layer; 32. a release plate; 321. and (6) hole drawing.

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 efforts belong to the protection scope of the present invention.

Examples

The embodiment of the application discloses a polyimide adhesive tape with a back release type.

As shown in fig. 1 and 2, a polyimide tape with a back release type includes: a base layer 1 made of polyimide;

an organic silicon pressure sensitive adhesive layer 2 is arranged on one end face of the base layer 1 in an adhesive mode; the organic silicon pressure-sensitive adhesive has high bonding strength with the base layer 1, and the organic silicon adhesive has high temperature resistance, ageing resistance and electrical insulation performance.

A release component 3 which is adhered on the other end surface of the base layer 1 and is used for a user to pull open the adhesive tape;

from type subassembly 3 including bonding in basic unit 1 deviating from type layer 31 on the terminal surface of organosilicon pressure sensitive adhesive layer 2, bond in from type board 32 on type layer 31, from type board 32 part protrusion from type layer 31. An organic silicon pressure-sensitive adhesive layer 2 is arranged on one end face of a base layer 1, and a release layer 31 and a release plate 32 bonded on the release layer 31 are arranged at the other end; during the use, the user directly stimulates from the part of type board 32 protrusion from type layer 31, drives from type board 32 and receives the pulling force from type layer 31 and make basic unit 1 and organosilicon pressure sensitive adhesive layer 2, and organosilicon pressure sensitive adhesive layer 2 atress breaks away from with the mould that bonds, goods or other insulation package's place, also can reduce the cull when this sticky tape is opened a book, reduction loss. The adhesive tape can be taken down by applying force to the part of the release plate 32 protruding from the release layer 31, so that the adhesive tape is convenient and fast, and the efficiency of taking down the adhesive tape is greatly improved. The release plate 32 is a member made of acrylic material.

The part of the release plate 32 protruding the release layer 31 is provided with a pulling hole 321 for the user to apply force. The user can hook the pull hole 321 by fingers to apply force, which is convenient for the user to apply force. Meanwhile, for users with weak strength, the pull hole 321 can be hooked by using tools such as a hook to apply force, so that the requirements of users with different strength can be met.

The off-plate 32 is pear-shaped. The most part of the release plate 32 of pear type is bonded with the release layer 31, the convex part is convenient for a user to exert force, and the release plate 32 keeps stable in the process of pulling the release plate 32, is not easy to tear, and the release plate 32 has certain anti-tear effect.

Both sides of the base layer 1 along the length direction thereof are provided with waterproof coating films 11. The waterproof coating film 11 has good waterproof performance, can effectively prevent water or partial solution from permeating into the base layer 1 from the side end of the base layer 1 to cause water seepage in the base layer 1 to lose viscosity, has a moisture-proof function, and can prolong the storage time of the base layer 1.

The waterproof coating film 11 is evenly pressed with the seal edges 12 along the two sides of the base layer 1 in the length direction. The banding 12 can protect both sides and waterproof coating film 11 on the length direction of basic unit 1, effectively reduces both sides and waterproof coating film 11 on the length direction of basic unit 1 and appears opening a book the risk, keeps the stability of basic unit 1 and waterproof coating film 11.

The release layer 31 is a member made of an aqueous non-silicon release agent. By adopting the water-based non-silicon release agent, the problem that the back surface of the base layer 1 is polluted by silicon transfer is effectively solved, and the environment is protected.

The working principle is as follows: bond this sticky tape on mould or goods, when needing this sticky tape privately, thereby the hand finger of user accessible catches on the trompil 321 application of force, and simultaneously, to the user that the strength is weak, can also utilize tools such as couples to catch on the trompil 321 application of force, the part from type layer 31 of type 32 protrusion receives the pulling force, drive from type layer 31 and make basic unit 1 and organosilicon pressure sensitive adhesive layer 2 receive the pulling force from type plate 32, 2 atresss of organosilicon pressure sensitive adhesive layer break away from mould or goods that bond.

In another embodiment, four release plates 32 are provided on the release layer 31, and the tape can be quickly released by simultaneously pulling the four release plates 32.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A polyimide adhesive tape with a release type back surface is characterized by comprising: a base layer (1) made of polyimide;

an organic silicon pressure-sensitive adhesive layer (2) is arranged on one end face of the base layer (1);

the release component (3) is arranged on the other end face of the base layer (1) and is used for a user to pull open the adhesive tape;

wherein, from type subassembly (3) including bond in from type layer (31) on basic unit (1) deviates from the terminal surface of organosilicon pressure sensitive adhesive layer (2), locate from type board (32) on type layer (31), from type board (32) part protrusion from type layer (31).

2. The polyimide adhesive tape with back release of claim 1, wherein the part of the release plate (32) protruding out of the release layer (31) is provided with a pulling hole (321) for a user to apply force.

3. The release-backed polyimide tape according to claim 1, wherein the release plate (32) is pear-shaped.

4. The polyimide tape with back release according to claim 1, wherein the base layer (1) is provided with a waterproof coating film (11) on both sides in its longitudinal direction.

5. The polyimide adhesive tape with the back release function according to claim 4, wherein the waterproof coating film (11) is provided with edge seals (12) along both sides of the base layer (1) in the length direction.

6. The polyimide adhesive tape with back release according to claim 1, wherein the release layer (31) is a member made of an aqueous non-silicon release agent.

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