CN217395931U

CN217395931U - PET substrate composite release film

Info

Publication number: CN217395931U
Application number: CN202123213457.5U
Authority: CN
Inventors: 谢双庆
Original assignee: Nanjing Kepu New Material Technology Co ltd
Current assignee: Nanjing Kepu New Material Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-09-09
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to a PET is from type membrane technical field, concretely relates to PET substrate is compound from type membrane, and it includes that PET leaves type membrane main part and protective layer, and the protective layer laminating is in PET one side from type membrane main part. Further, protective layer main part, articulamentum and screens layer on the protective layer cooperate and carry on spacingly from the type membrane main part to PET for the protective layer laminating is better from the stability in the type membrane main part at PET. This application helps reducing the condition that damages appear from the type membrane.

Description

PET substrate composite release film

Technical Field

The application relates to the technical field of PET release films, in particular to a PET substrate composite release film.

Background

The release film refers to a film having a differentiated surface energy, and the release film has no stickiness or slight stickiness with a specific material after being contacted with the specific material under a limited condition. The release film mainly has the functions of isolation, filling, protection, easy peeling and the like. The PET release film is one of release films, is prepared by coating PET serving as a base material with silicone oil, also called a silicone oil film, and has good adsorbability and adhesiveness.

Because PET is from type membrane around establishing on the roller in the transportation, PET is from type membrane easy to take place the looks mutual friction under the vehicle jolts to PET at the outermost side is still easy to take place the friction with other objects from type membrane, thereby leads to PET to take place the condition of damaging from type membrane easily.

SUMMERY OF THE UTILITY MODEL

In order to reduce the condition of taking place to damage from the type membrane, this application provides a PET substrate is compound from type membrane.

The application provides a compound from type membrane of PET substrate adopts following technical scheme:

the utility model provides a PET substrate is compound from type membrane, includes PET from type membrane main part and protective layer, the protective layer laminating is in PET from one side of type membrane main part.

Through adopting above-mentioned technical scheme, at one side laminating protective layer that PET leaves the type membrane main part, when PET leaves the type membrane main part around establishing on the roller, PET all laminates the protective layer from between the adjacent lateral wall of type membrane main part to effectively reduce PET from the mutual friction between the adjacent lateral wall of type membrane main part, and then reduce the condition of taking place to damage from the type membrane. Simultaneously around establishing the back that finishes, the protective layer is located the outside, can reduce PET and take place the condition of contact from type membrane main part and other objects, has the protection effect from type membrane main part to PET.

Optionally, the protective layer is an electrostatic adsorption layer.

Through adopting above-mentioned technical scheme to the electrostatic absorption layer is as the protective layer, makes electrostatic absorption layer and PET leave the type and have electrostatic adsorption power between the membrane main part, helps reducing protective layer and PET to take place the dislocation or the relative condition that slides from the membrane main part, makes the protective layer can be more stably with PET from the laminating of membrane main part, thereby makes the protective layer better to PET from the protective effect of membrane main part.

Optionally, the protective layer includes protective layer main part and connecting piece, the laminating of protective layer main part is in PET one side from type membrane main part, the connecting piece includes articulamentum and screens layer, the articulamentum is equipped with two, two the articulamentum all sets up in the protective layer main part, two the articulamentum all is mutually perpendicular with the protective layer main part, two the articulamentum is relative from type membrane main part about PET, two the lateral wall of articulamentum all laminates from the lateral wall of type membrane main part with PET, the screens layer sets up the one side that deviates from the protective layer main part at the articulamentum, the screens layer is laminated from the lateral wall that protective layer main part one side deviates from type membrane main part with PET.

Through adopting above-mentioned technical scheme, articulamentum and screens layer cooperation protective layer main part carry on spacingly to PET from type membrane main part, further reduce PET from the condition that type membrane main part and protective layer take place the dislocation or slide relatively, while articulamentum and screens layer can increase the protective layer and to PET from the protection area of type membrane main part to make the protective layer better to PET from the protection effect of type membrane main part.

Optionally, the screens layer is including screens main part layer and pitch arc layer, the screens main part layer sets up the one side that deviates from the protective layer main part at the articulamentum, the pitch arc layer sets up the one side that deviates from the articulamentum on the screens main part layer, the pitch arc layer sets up from type membrane main part one side bending towards PET, the pitch arc layer is from type membrane main part butt with PET.

Through adopting above-mentioned technical scheme, because pitch arc layer orientation PET is from type membrane main part one side bending setting, make things convenient for PET to get into between protective layer main part and the screens bulk layer from type membrane main part, the pitch arc layer is better to PET's bearing effect from type membrane main part simultaneously to help improving the protective layer and to PET from the spacing effect of type membrane main part, make protective layer and PET can more steadily laminate together from type membrane main part, help further reducing PET to take place the condition of damage from type membrane main part.

Optionally, the protective layer main part, the connecting layer and the clamping layer are all provided with a lubricating layer on the side wall of the PET release film main part towards one side.

Through adopting above-mentioned technical scheme to the lubricant film is as the intermediate media that contacts from type membrane main part with PET, because lubricant film and PET are less from the frictional force between the type membrane main part, can be so that protective layer self is less to the damage that PET from the type membrane main part, thereby help reducing PET and take place the condition of damaging from the type membrane main part.

Optionally, be provided with the auxiliary in the protective layer main part, the auxiliary includes connecting block and connecting strip, the connecting block sets up and deviates from one side of type membrane main part PET in the protective layer main part, the both ends one-to-one of connecting strip sets up and deviates from PET on the lateral wall of type membrane main part one side at the connecting layer, the connecting strip is connected with the connecting block.

Through adopting above-mentioned technical scheme to the connecting strip connection linkage layer deviates from the lateral wall of PET type membrane main part one side, when using PET type membrane main part, only need the pulling connecting strip can make two connecting layers take place to deflect, thereby the cancellation is to PET type membrane main part spacing, convenient and fast ground with the protective layer follow PET peel off from type membrane main part. Meanwhile, the connecting strip is connected with the connecting block, so that a connecting point exists on the protective layer main body, the connecting strip is flatly arranged on the protective layer main body, and the connecting strip is conveniently pulled.

Optionally, PET is from type membrane main part and is included elastic layer, PET substrate layer, tie coat and silicon oil layer, the both sides that elastic layer is relative all set up the tie coat, the PET substrate layer sets up the one side that deviates from elastic layer on the tie coat, the silicon oil layer sets up the one side that deviates from the tie coat on the PET substrate layer.

Through adopting above-mentioned technical scheme, set up the elastic layer between two PET substrate layers, help improving PET from the elasticity of type membrane main part, reduce PET from the condition that fold appears in the use of type membrane main part.

Optionally, a plurality of through holes penetrate through the elastic layer, and bonding layers are arranged on the hole walls of the through holes.

Through adopting above-mentioned technical scheme, also be provided with the tie coat on the pore wall of through-hole for the tie coat of elastic layer both sides bonds together, thereby makes the bonding effect of elastic layer and tie coat better, helps improving the stability that combines between tie coat and the elastic layer, and then makes PET better from the intensity of type membrane main part.

Optionally, a plurality of grooves are formed in the side wall, away from the bonding layer, of the PET substrate layer, and silicone oil layers are arranged on the groove walls of the grooves.

Through adopting above-mentioned technical scheme, set up a plurality of recesses on the lateral wall that the PET substrate layer deviates from tie coat one side for the silicon oil layer is bigger with the area of contact of PET substrate layer, thereby helps improving the adhesion stability between silicon oil layer and the PET substrate layer, reduces the silicon oil layer and leads to the condition that drops because of the friction.

In summary, the present application includes at least one of the following beneficial technical effects:

according to the PET release film, the protective layer is attached to one side of the PET release film main body, so that the friction between the adjacent side walls of the PET release film main body is reduced, the PET release film main body is protected, and the condition that the PET release film main body is damaged is reduced;

the PET release film main body is limited by the connecting layer, the clamping layer and the protective layer main body, so that the protective layer can be more stably attached to the PET release film main body, the situation that the PET release film main body and the protective layer are staggered or relatively slide is reduced, and the protective effect of the protective layer on the PET release film main body is improved;

this application is through setting up the elastic layer between two PET substrate layers for PET is better from the elasticity of type membrane main part, thereby helps reducing PET and takes place the condition of fold from type membrane main part.

Drawings

Fig. 1 is a schematic structural diagram of a PET substrate composite release film in embodiment 1 of the present application.

Fig. 2 is a partial cross-sectional view of a protective layer structure in example 2 of the present application.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Description of reference numerals: 1. a PET release film main body; 11. an elastic layer; 111. a through hole; 12. a PET substrate layer; 121. a groove; 13. a tie layer; 14. a silicon oil layer; 2. a protective layer; 21. a protective layer main body; 3. a connecting member; 31. a connecting layer; 32. a clamping layer; 321. a card-out main layer; 322. an arc line layer; 4. a lubricating layer; 5. an auxiliary member; 51. connecting blocks; 52. a connecting strip; 6. and (3) a roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses PET substrate composite release film.

Example 1:

referring to fig. 1, a compound type membrane of PET substrate, including PET from type membrane main part 1 and protective layer 2 to PET deviates from 6 one sides of roller from type membrane main part 1 and regards as PET from the outside of type membrane main part 1, and protective layer 2 laminates in PET from the outside of type membrane main part 1, and protective layer 2 is for having elastic electrostatic absorption layer.

The implementation principle of the PET substrate composite release film in the embodiment 1 of the application is as follows: attaching a protective layer 2 to the outer side of the PET release film main body 1, and winding the PET release film main body 1 and the protective layer 2 together on a roller 6, so that the protective layer 2 is arranged between the adjacent side walls of the PET release film main body 1, and the friction between the adjacent side walls of the PET release film main body 1 is reduced; and there is protective layer 2 around establishing the outside of accomplishing back roller 6 also, and protective layer 2 can reduce PET and leave the contact of type membrane main part 1 and other objects, and then reduces PET and take place the condition of damaging from type membrane main part 1, reaches the effect of protection PET from type membrane main part 1.

Example 2:

the present embodiment is different from embodiment 1 in that, referring to fig. 2 and 3, it is considered that the bonding between the protective layer 2 and the PET release film main body 1 is unstable, and the protective effect of the protective layer 2 is likely to be poor. Further, the protective layer 2 comprises a protective layer main body 21 and a connecting piece 3, and the protective layer main body 21 is attached to the outer side of the PET release film main body 1; connecting piece 3 includes articulamentum 31 and screens layer 32, and articulamentum 31 is equipped with two, and two articulamentum 31 are all connected perpendicularly on protective layer main part 21, and PET is located between two articulamentum 31 from type membrane main part 1, and the lateral wall of two articulamentum 31 all laminates mutually with PET from the lateral wall of type membrane main part 1. Screens layer 32 fixed connection is in the one side that the articulamentum 31 deviates from protective layer main part 21, screens layer 32 with PET from the lateral wall laminating that protective layer main part 21 one side deviates from type membrane main part 1.

Before on leaving type membrane main part 1 with PET around establishing roller 6, earlier with PET from type membrane main part 1 inlay card between two articulamentum 31, under the cooperation of protective layer main part 21, articulamentum 31 and screens layer 32, carry on spacingly from type membrane main part 1 to PET for protective layer 2 is more stable and PET is laminated from type membrane main part 1 mutually, thereby improves protective layer 2 and leaves the protective effect of type membrane main part 1 to PET.

Referring to fig. 2 and 3, the PET release film main body 1 and the protection layer 2 are more stably attached to each other, and the PET release film main body 1 can be conveniently inserted between the two connection layers 31. Furthermore, the positioning layer 32 includes a positioning main body layer 321 and an arc layer 322, and the positioning main body layer 321 is fixedly connected to a side of the connecting layer 31 facing away from the protective layer main body 21. Arc line layer 322 fixed connection deviates from one side of articulamentum 31 on screens main part layer 321, and arc line layer 322 sets up towards PET from the inboard bending of type membrane main part 1, and the one end that screens main part layer 321 was kept away from to arc line layer 322 is with PET from the inside wall butt of type membrane main part 1.

When PET got into between two articulamentlayers 31 from type membrane main part 1, PET got into between two articulamentlayers 31 along the crooked arc wall of arc line layer 322 from type membrane main part 1 to make the one end that screens main part layer 321 was kept away from to arc line layer 322 and PET from the inside wall butt of type membrane main part 1.

Referring to fig. 3 and 4, the PET release film body 1 may be damaged by a frictional force generated between the protective layer 2 and the PET release film body 1. Further, the protective layer main body 21, the connecting layer 31 and the clamping layer 32 are fixedly connected with the lubricating layer 4 on the side wall of the PET release film main body 1.

Referring to fig. 2, 3 and 4, the case where the protective layer 2 needs to be peeled off before the PET release film main body 1 is used is considered. Furthermore, an auxiliary piece 5 is arranged on the protective layer main body 21, the auxiliary piece 5 comprises a connecting block 51 and a connecting strip 52, the connecting block 51 is fixedly connected to the outer side wall of the protective layer main body 21, and the connecting block 51 is located at the middle point of the protective layer main body 21 in the width direction; connecting strip 52 is towards the lateral wall and the connecting block 51 lateral wall fixed connection of protective layer main part 21 one side, and the both ends one-to-one fixed connection of connecting strip 52 deviates from the lateral wall of PET from type membrane main part 1 one side at articulamentum 31.

Need peel off protective layer 2 before using PET to leave type membrane main part 1, the concrete operation is, holds the connecting strip 52 of connecting block 51 both sides for two articulamentum 31 keep away from PET gradually and leave type membrane main part 1, along with connecting strip 52 is further dragged, and PET is also kept away from gradually from type membrane main part 1 to protective layer main part 21, thereby convenient and fast peels off lower protective layer 2.

Referring to fig. 3 and 4, the PET release film main body 1 itself is considered in terms of its properties. Further, the PET release film main body 1 comprises an elastic layer 11, a PET base material layer 12, a bonding layer 13 and a silicone oil layer 14, wherein the bonding layer 13 is fixedly connected to the upper surface and the lower surface of the elastic layer 11; PET substrate layer 12 fixed connection deviates from the one side of elasticity layer 11 on tie coat 13, and silicone oil layer 14 fixed connection deviates from the one side of tie coat 13 on PET substrate layer 12. Wherein the bonding layer 13 is formed by coating bonding glue, and the silicone oil layer 14 is formed by coating silicone oil.

Referring to fig. 3 and 4, a case is considered in which the adhesion strength between the adhesive layer 13 and the elastic layer 11 is made better while improving the adhesion stability between the elastic layer 11 and the PET base material layer 12. Furthermore, a plurality of through holes 111 penetrate through the elastic layer 11, and the wall of each through hole 111 is fixedly connected with the bonding layer 13.

Tie coat 13 of elastic layer 11 both sides links together through-hole 111 for elastic layer 11 is better with tie coat 13's bonding effect, thereby makes the bonding stability between elastic layer 11 and the PET substrate layer 12 better.

Referring to fig. 3 and 4, it is considered that the adhesion stability of the silicone oil layer 14 to the PET base material layer 12 is improved. Further, a plurality of grooves 121 are formed in the side wall of the side, away from the bonding layer 13, of the PET substrate layer 12, and a silicone oil layer 14 is fixedly connected to the wall of each groove 121.

The implementation principle of the composite release film of the PET substrate in the embodiment 2 of the application is as follows: under considering further to improve protective layer 2 and to PET from the condition of type membrane main part 1 protection effect, mutually support through protective layer main part 21, articulamentum 31 and screens layer 32 from type membrane main part 1 to PET for protective layer 2 more stably laminates on PET is from type membrane main part 1, thereby makes protective layer 2 better from the protection effect of type membrane main part 1 to PET, reduces PET and appears damaging the condition from type membrane main part 1. Meanwhile, in order to conveniently strip the protective layer 2, the connecting strip 52 pulls the connecting layer 31 and the protective layer main body 21 to be away from the PET release film main body 1, and the operation is quick. In the aspect of the performance of the PET release film main body 1 itself, the elastic layer 11 helps to reduce the occurrence of wrinkles in the PET release film main body 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The PET substrate composite release film is characterized in that: the release film comprises a PET release film main body (1) and a protective layer (2), wherein the protective layer (2) is attached to one side of the PET release film main body (1), and the protective layer (2) is an electrostatic adsorption layer; protective layer (2) are including protective layer main part (21) and connecting piece (3), protective layer main part (21) are laminated in PET from one side of type membrane main part (1), connecting piece (3) are including articulamentum (31) and screens layer (32), articulamentum (31) is equipped with two, two articulamentum (31) all sets up on protective layer main part (21), two articulamentum (31) all is mutually perpendicular with protective layer main part (21), two articulamentum (31) is relative from type membrane main part (1) about PET, two the lateral wall of articulamentum (31) all laminates with the lateral wall of PET from type membrane main part (1), screens layer (32) set up the one side that deviates from protective layer main part (21) in articulamentum (31), screens layer (32) and PET deviate from the lateral wall laminating of protective layer main part (21) one side from type membrane main part (1).

2. The PET substrate composite release film according to claim 1, characterized in that: screens layer (32) are including screens main part layer (321) and pitch arc layer (322), screens main part layer (321) set up the one side that deviates from protective layer main part (21) in articulamentum (31), one side that deviates from articulamentum (31) on screens main part layer (321) is set up in pitch arc layer (322), pitch arc layer (322) set up from type membrane main part (1) one side bending towards PET, pitch arc layer (322) and PET are from type membrane main part (1) butt.

3. The PET substrate composite release film according to claim 2, characterized in that: the protective layer main body (21), the connecting layer (31) and the clamping layer (32) are all provided with a lubricating layer (4) on the side wall of one side of the PET release film main body (1).

4. The PET substrate composite release film according to claim 1, characterized in that: be provided with auxiliary member (5) on protective layer main part (21), auxiliary member (5) are including connecting block (51) and connecting strip (52), connecting block (51) set up and deviate from one side that PET leaves type membrane main part (1) on protective layer main part (21), the both ends one-to-one setting of connecting strip (52) deviates from PET on the lateral wall of type membrane main part (1) one side in articulamentum (31), connecting strip (52) are connected with connecting block (51).

5. The PET substrate composite release film according to claim 1, characterized in that: PET is from type membrane main part (1) including elastic layer (11), PET substrate layer (12), tie coat (13) and silicone oil layer (14), the both sides that elastic layer (11) is relative all set up tie coat (13), PET substrate layer (12) set up the one side that deviates from elastic layer (11) on tie coat (13), silicone oil layer (14) set up the one side that deviates from tie coat (13) on PET substrate layer (12).

6. The PET substrate composite release film according to claim 5, wherein: the elastic layer (11) is provided with a plurality of through holes (111) in a penetrating mode, and bonding layers (13) are arranged on the hole walls of the through holes (111).

7. The PET substrate composite release film according to claim 5, wherein: the PET substrate layer (12) are provided with a plurality of grooves (121) on the side wall of one side deviating from the bonding layer (13), and silicone oil layers (14) are arranged on the groove walls of the grooves (121).