CN216005752U

CN216005752U - Easy-to-peel release film for heavy-peel OCA (optical clear adhesive)

Info

Publication number: CN216005752U
Application number: CN202122588452.4U
Authority: CN
Inventors: 任金华; 吴雄燕; 顾明
Original assignee: Wuxi Zhongxing New Material Technology Co ltd
Current assignee: Wuxi Zhongxing New Material Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-11
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses an easy peeling type heavily peels off OCA optical cement with from type membrane, from the type membrane including compounding, compound from the type membrane including heavily leaving the type membrane, heavily leave the type membrane including pasting the layer, paste the lower fixed surface on layer and be connected with the isolation layer, the lower fixed surface of isolation layer is connected with graphite alkene layer, graphite alkene layer's lower fixed surface is connected with the resin layer that absorbs water, the lower fixed surface on resin layer that absorbs water is connected with antifogging layer, heavily tear the piece from the last fixed surface of type membrane and be connected with, heavily leave the bottom fixedly connected with OCA glue of type membrane. The utility model discloses not only can use through the cooperation of resin layer and graphite alkene layer of absorbing water, make compound separation steam that leaves the type membrane fine see through, improved the result of use from the type membrane, can make simultaneously through the polyurethane resin layer compound from the type membrane have better stability, chemical resistance, resilience and mechanical properties, can also effectively increase or adjust material rigidity, toughness and bending strength through nanometer calcium carbonate layer.

Description

Easy-to-peel release film for heavy-peel OCA (optical clear adhesive)

Technical Field

The utility model relates to a from type membrane technical field, especially, relate to an easy peeling type heavily peels off OCA optical cement with from type membrane.

Background

The release film is a loss product which must be used in the die cutting production process, the release film is attached to the adhesive surface of the die cutting product, plasma treatment or fluorine coating or silicon coating release agent coating is carried out on the release film on the surface layer of the film material for the release force under the common condition, the release film plays a role in supporting the whole die cutting product and protecting the adhesive surface of the die cutting product in the whole production process, and the transportation is convenient, so the release film is widely used.

The release film plays an important role in the current production and life, but the release film at the current stage is high in humidity and cannot well obstruct water vapor permeation in a humid area, so that the bonding part of the release film and an object is soaked, and the release film loses the effect, and therefore the release film for the easily-stripped re-stripped OCA optical cement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an easy-to-peel release type release film for re-peeling OCA optical cement.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an easy peel off formula heavy stripping OCA optical cement is with from type membrane, is including compound from type membrane, compound from type membrane including heavily from type membrane, heavily from type membrane including pasting the layer, the lower fixed surface who pastes the layer is connected with the isolation layer, the lower fixed surface of isolation layer is connected with graphite alkene layer, the lower fixed surface on graphite alkene layer is connected with the resin layer that absorbs water, the lower fixed surface on resin layer that absorbs water is connected with antifogging layer.

As a further proposal, the upper fixed surface of the heavy release film is connected with the tearing piece.

As the utility model discloses scheme further again, heavily glue from the bottom fixedly connected with OCA of type membrane, the gluey bottom fixedly connected with of OCA is light from the type membrane.

As the utility model discloses scheme further again, lightly leave the type membrane and include fire-retardant layer, the last fixed surface on fire-retardant layer is connected with the polyurethane resin layer, the last fixed surface on polyurethane resin layer is connected with nanometer calcium carbonate layer, and the last fixed surface on nanometer calcium carbonate layer is connected with antistatic backing, and the last fixed surface on antistatic backing is connected with prevents scraping the layer.

As the utility model discloses scheme further again, heavily from the type membrane be located to tear between piece and the OCA glue, OCA glue be located heavily from the type membrane and lightly from between the type membrane.

As the utility model discloses scheme further again, the antistatic backing is located and prevents scraping between layer and the nanometer calcium carbonate layer, and the polyurethane resin layer is located between nanometer calcium carbonate layer and the fire-retardant layer.

As the utility model discloses scheme further again, the resin layer that absorbs water is between graphite alkene layer and antifog layer, and the isolation layer is pasting between layer and the graphite alkene layer.

The utility model has the advantages that:

1. through the cooperation of resin layer and graphite alkene layer of absorbing, the resin layer of absorbing is a novel functional polymer material, it has the high water absorption function of several hundred to several thousand times of water of absorption ratio self weight to it is good to keep the water capability, graphite alkene layer is watertight material, can the water oxygen gas in the separation air, and thus fine separation steam sees through, avoid steam to make to be soaked from type membrane and object bonding department, lead to losing effect from the type membrane, improved the result of use from the type membrane.

2. Through the thermoplastic linear structure of the polyurethane resin layer, the composite release film has better stability, chemical resistance, rebound resilience and mechanical property, smaller compression deformability and good heat insulation, sound insulation, shock resistance and gas defense properties.

3. The nanometer calcium carbonate layer can effectively increase or adjust the rigidity, toughness, bending strength and the like of the material, improve the rheological property of a material processing system, and improve the dimensional stability, heat resistance and surface smoothness of a product.

Drawings

Fig. 1 is a schematic front view of a release film for an easy-peeling type heavy-peeling OCA optical cement provided by the present invention;

fig. 2 is a schematic structural view of a light release film of a release film for easy-peeling heavy-peeling OCA optical cement provided by the present invention;

fig. 3 is the utility model provides an easy peeling type heavily peels off OCA optical cement with heavily from type membrane structural schematic diagram.

In the figure: 1. compounding a release film; 2. tearing the sheet; 3. heavy release film; 4. OCA glue; 5. a light release film; 6. a scratch-resistant layer; 7. an antistatic layer; 8. a nanoscale calcium carbonate layer; 9. a polyurethane resin layer; 10. a flame retardant layer; 11. an antifogging layer; 12. a water-absorbent resin layer; 13. a graphene layer; 14. an isolation layer; 15. and (7) sticking the layer.

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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, an easy-to-peel release film for heavy-peeling OCA optical cement comprises a composite release film 1, the composite release film 1 comprises a heavy-to-release film 3, the heavy-to-release film 3 comprises an adhesive layer 15, an isolation layer 14 is adhered to the lower surface of the adhesive layer 15, a graphene layer 13 is adhered to the lower surface of the isolation layer 14, the graphene layer 13 is a water-impermeable material capable of blocking water and oxygen in the air, thereby blocking the water vapor from permeating well, avoiding the water vapor from wetting the bonding part of the release film and the object to cause the release film to lose the function, the lower surface of the graphene layer 13 is bonded with the water-absorbing resin layer 12, the water-absorbing resin layer 12 is a novel functional polymer material, and has the high water-absorbing function of absorbing water which is hundreds to thousands times heavier than the self, the water-retaining property is excellent, the antifogging layer 11 is bonded to the lower surface of the water-absorbent resin layer 12, and the antifogging layer 11 prevents the generation of fog.

In the utility model, it should be noted that, the upper surface of the heavy release film 3 is bonded with the tearing piece 2, the bottom of the heavy release film 3 is bonded with the OCA glue 4, the bottom of the OCA glue 4 is bonded with the light release film 5, the light release film 5 comprises the flame retardant layer 10, the flame retardant layer 10 makes the light release film 5 block flame, avoid the composite release film 1 to be easily burnt, the upper surface of the flame retardant layer 10 is bonded with the polyurethane resin layer 9, the thermoplastic linear structure of the polyurethane resin layer 9 makes the composite release film 1 have better stability, chemical resistance, resilience and mechanical property, and have smaller compression deformability, and have good heat insulation, sound insulation, and gas defense properties, the upper surface of the polyurethane resin layer 9 is bonded with the nanometer calcium carbonate layer 8, the nanometer calcium carbonate layer 8 can effectively increase or adjust the rigidity, toughness, bending strength and the like of the material, and can improve the rheological property of the material processing system, improve goods size stability, heat resistance and surface smoothness, the upper surface bonding of nanometer calcium carbonate layer 8 has antistatic backing 7, the upper surface bonding of antistatic backing 7 has scratch-resistant layer 6, it is heavily from type membrane 3 to be located and tears between piece 2 and the OCA glue 4, OCA glue 4 is located heavily from type membrane 3 and slightly from type membrane 5 between, antistatic backing 7 is located between scratch-resistant layer 6 and nanometer calcium carbonate layer 8, polyurethane resin layer 9 is located between nanometer calcium carbonate layer 8 and fire-retardant layer 10, water absorbent resin layer 12 is between graphite alkene layer 13 and antifogging layer 11, isolation layer 14 is pasting between layer 15 and graphite alkene layer 13.

The working principle is as follows: when the composite release film 1 needs to be used, the tearing sheet 2 is torn off, the heavy release film 3 is adhered on the surface of an object, the water-absorbing resin layer 12 is a novel functional polymer material, has a high water absorption function of absorbing water which is hundreds to thousands times heavier than the self weight, and has excellent water retention performance, the graphene layer 13 is a water-impermeable material and can block water and oxygen in the air, so that water vapor transmission is well blocked, the polyurethane resin layer 9 has a thermoplastic linear structure, has better stability, chemical resistance, rebound resilience and mechanical performance, has smaller compression deformability, and has good heat insulation, sound insulation, shock resistance and toxicity resistance, the nano calcium carbonate layer 8 effectively increases or adjusts the rigidity, toughness, bending strength and the like of the material, can improve the rheological performance of a material processing system, and improve the size stability, heat resistance and surface smoothness of a product, the antifogging layer 11 prevents the generation of fog.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an easy peel off formula heavy stripping OCA optical cement is with from type membrane, is including compound from type membrane (1), its characterized in that, compound from type membrane (1) including heavily from type membrane (3), heavily from type membrane (3) including pasting layer (15), the lower fixed surface who pastes layer (15) is connected with isolation layer (14), the lower fixed surface of isolation layer (14) is connected with graphite alkene layer (13), the lower fixed surface of graphite alkene layer (13) is connected with absorbent resin layer (12), the lower fixed surface of absorbent resin layer (12) is connected with antifogging layer (11).

2. The release film for the easily stripped and re-stripped OCA optical cement as claimed in claim 1, wherein a tearing sheet (2) is fixedly connected to the upper surface of the heavy release film (3).

3. The release film for the easily stripped heavy-release OCA optical cement according to claim 2, wherein the bottom of the heavy-release film (3) is fixedly connected with OCA cement (4), and the bottom of the OCA cement (4) is fixedly connected with a light-release film (5).

4. The release film for the easily-stripped heavy-stripping OCA optical cement according to claim 3, wherein the light-weight release film (5) comprises a flame-retardant layer (10), a polyurethane resin layer (9) is fixedly connected to the upper surface of the flame-retardant layer (10), a nano-scale calcium carbonate layer (8) is fixedly connected to the upper surface of the polyurethane resin layer (9), an anti-static layer (7) is fixedly connected to the upper surface of the nano-scale calcium carbonate layer (8), and an anti-scratch layer (6) is fixedly connected to the upper surface of the anti-static layer (7).

5. The release film for the easily stripped heavy-duty OCA optical cement according to claim 3, wherein the heavy-duty release film (3) is located between the tear sheet (2) and the OCA cement (4), and the OCA cement (4) is located between the heavy-duty release film (3) and the light-duty release film (5).

6. The release film for the easily stripped and re-stripped OCA optical cement is characterized in that the antistatic layer (7) is positioned between the scratch-resistant layer (6) and the nanoscale calcium carbonate layer (8), and the polyurethane resin layer (9) is positioned between the nanoscale calcium carbonate layer (8) and the flame retardant layer (10).

7. The release film for the easily peelable heavy release OCA optical cement according to claim 1, wherein the water absorbent resin layer (12) is between the graphene layer (13) and the antifogging layer (11), and the isolation layer (14) is between the adhesive layer (15) and the graphene layer (13).