CN213266366U

CN213266366U - Convex particle easy-to-peel anti-static waste discharge film

Info

Publication number: CN213266366U
Application number: CN202022011944.2U
Authority: CN
Inventors: 何斌; 郑昭漫; 陈璇宗; 吴建海
Original assignee: Guangdong Price New Material Technology Co ltd
Current assignee: Guangdong Price New Material Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-05-25
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a protruding granule is convenient for peel off and is prevented static membrane of wasting discharge has, substrate layer at the bottom of holding in the palm, the top fixedly connected with functional layer of substrate layer at the bottom of holding in the palm, viscose fixedly connected with thin layer is passed through at the top of functional layer, the functional layer includes the static coating, the top fixedly connected with glue film of static coating, the top fixedly connected with filler layer of glue film, the utility model relates to a thin-film materials coating technical field. The single-arm carbon nanotube with the convex particles is convenient for stripping the anti-static waste discharge film, the conductive polymer and the metal oxide powder are added into the system, but the conductive polymer coating of polythiophene is coated on the surface of the static coating, so that the connecting effect is achieved, the system adhesive has the characteristic of surface resistance, the anti-static effect is achieved, the adhesive surface cannot be completely attached due to the fact that the diameter of the dumb particles is larger than the thickness of the adhesive layer, the film tearing force is reduced, and the label can be easily stripped when being discarded.

Description

Convex particle easy-to-peel anti-static waste discharge film

Technical Field

The utility model relates to a thin film material coating technical field specifically is a protruding granule is convenient for peel off and is prevented static and arrange useless membrane has.

Background

The PET waste discharge protective film is a PET waste discharge adhesive tape, which is formed by coating a PET original film as a base material with solvent type acrylic adhesive. The adhesive tape is a nontoxic and pollution-free environment-friendly material, and has the advantages of high surface cleanliness, good toughness, moderate adhesive force and no adhesive residue. The back cover of the mobile phone is subjected to subsequent processing such as spraying, printing and the like after being formed, and in order to prevent other positions from being polluted, a high-viscosity PET protective film can be used for covering the position needing to be isolated.

The waste discharge protective film is formed by coating a high-stiffness film as a base material with adhesive glue and then laminating other films. With the development of die cutting industry, the precision and the speed are all improved rapidly, various protective films for supporting and discharging waste are used in the process of flat-knife die cutting or circular-knife die cutting, and the hardness, the thickness and the viscosity of the protective films can directly influence the processing precision of products.

The product shape of buckling is more when more thin film label cross cutting is wasted discharge, and the area that lacks the piece in some positions is very little, and automatic the wasting discharge is very difficult, can only peel off the wasting discharge membrane by hand, and the wasting discharge membrane is the plastic insulator film, produces static easily when peeling off, and the too big adsorption affinity reinforcing of static appears makes the membrane power of tearing big, leads to the secondary laminating difficult tear, peels off painstaking, the low problem of manual operation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a have protruding granule and be convenient for peel off and prevent static waste discharge membrane has solved and has peeled off by hand and produce static easily when arranging waste discharge membrane, and the too big adsorption affinity reinforcing of static appears makes and tears membrane power big on the side, leads to the secondary laminating to be difficult for tearing, peels off hard, the problem that manual operation efficiency is low.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a be convenient for peel off and prevent static membrane of wasting discharge with protruding granule, includes and holds in the palm end substrate layer, hold in the palm the top fixedly connected with functional layer of end substrate layer, viscose fixedly connected with thin layer is passed through at the top of functional layer, the functional layer includes the static coating, the top fixedly connected with glue film of static coating, the top fixedly connected with filler layer of glue film.

Preferably, the material of the film layer is one of PET, PI, OPP and PVC.

Preferably, the material of the base substrate layer is one of PET, PI, OPP and PVC, and the color is yellow, white or yellow-white mixed color.

Preferably, the surface of the electrostatic coating is a polythiophene conductive polymer coating.

Advantageous effects

The utility model provides a convex particle is convenient for peel off and prevents that static electricity from discharging waste film has. Compared with the prior art, the method has the following beneficial effects:

(1) the anti-static waste discharge film with the convex particles convenient to peel comprises a static coating layer through a functional layer, the top of an adhesive layer is fixedly connected with a filler layer, the surface of the static coating layer is made of a polythiophene conductive polymer coating, the adding particles are single-arm carbon nano tubes, one or more of conductive polymers or metal oxide powder, the filler layer is one or a mixture of matte powder type silicon dioxide and silicate, the thickness of the filler layer is 105% -500% of the thickness of the adhesive layer, the adding proportion is 0.05% -50% of the thickness of the adhesive layer, the single-arm carbon nano tubes of the static coating layer, the conductive polymers and the metal oxide powder are added into the system, the wrapping property and the air tightness of the system are strong, the singly added anti-static effect is not strong, but the polythiophene conductive polymer coating layer coated on the surface of the static coating layer has a connecting effect, so that an adhesive system has the characteristic of, therefore, the anti-static label has an anti-static effect, when the label is processed by adding the matte powder to be attached to the die cutting, the adhesive surface cannot be completely attached due to the fact that the particle diameter of the matte powder is larger than the thickness of the adhesive layer, the film tearing force is reduced, and the label can be easily peeled off when the label is discarded.

(2) This have protruding granule and be convenient for peel off and prevent that static is arranged useless membrane, through the top fixedly connected with glue film of electrostatic coating, the glue film is pressure-sensitive adhesive and filler and prevents static auxiliary agent mixture, and the pressure-sensitive adhesive can be organosilicon class pressure-sensitive adhesive, and silicon system gluing agent can the stability ability after the coating solidification, and for other acrylic acids, polyurethane system gluing agent initial viscosity is higher, proposes to laminate from the type membrane, treats the label of laminating after the curing.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a cross-sectional view of the functional layer structure of the present invention.

In the figure: 1. a bottom supporting base material layer; 2. a functional layer; 21. electrostatic coating; 22. a glue layer; 23. a filler layer; 3. a thin film 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. 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.

Referring to fig. 1-2, the present invention provides a technical solution: a conveniently stripped anti-static waste discharge film with convex particles comprises a bottom support substrate layer 1, a top fixedly connected with a functional layer 2 of the bottom support substrate layer 1, the top of the functional layer 2 is fixedly connected with a film layer 3 through viscose, the functional layer 2 comprises a static coating 21, the top of the static coating 21 is fixedly connected with a glue layer 22, the top of the glue layer 22 is fixedly connected with a filler layer 23, the film layer 3 is made of one of PET, PI, OPP and PVC, the bottom support substrate layer 1 is made of one of PET, PI, OPP and PVC and is in a yellow, white or yellow-white mixed color, the surface of the static coating 21 is made of a polythiophene conductive polymer coating, added particles are single-arm carbon nano tubes, one or more of conductive polymers or metal oxide powder, the single-arm carbon nano tubes of the static coating, the conductive polymers and the metal oxide powder are added into a system, because the system wrapping property and the airtightness are strong, the antistatic effect is not strong when the antistatic adhesive is added independently, but the polythiophene conductive polymer coating is coated on the surface of the electrostatic coating and has a connection effect, so that the system adhesive has the characteristic of bottom surface resistance, thereby having the antistatic effect, when the matte powder is added into the system for laminating and die-cutting a processed label, the adhesive surface cannot be completely laminated because the diameter of the matte powder is larger than the thickness of the adhesive layer, the film tearing force is reduced, the label can be easily peeled off when the label is discarded and peeled off, the filler layer 23 is one or a mixture of one or more of the matte powder type silicon dioxide and silicate, the silicon adhesive can stabilize after being coated and solidified, compared with other acrylic acid, the polyurethane adhesive has higher initial viscosity, the release film is laminated, the label is laminated after being cured, the thickness of the filler layer 23 is 105% -500% of the thickness of the adhesive layer 22, and the adding proportion is 0, the adhesive layer 22 is a mixture of pressure sensitive adhesive, which can be silicone pressure sensitive adhesive, filler and antistatic aid.

And those not described in detail in this specification are well within the skill of those in the art.

The utility model discloses a support base film that realizes through following technique adopts thickness to be 188 mu m, transparent PET substrate, set up polythiophene silica gel coating on the substrate, the coating thickness < 1 mu m, polythiophene surface static value 105 omega, it is 5 mu m to set up the silica gel coating thickness on the antistatic coating, the silica gel coating sets up the filler, filler average particle diameter 7 mu m, the filler proportion of adding is 5% of silica gel weight proportion, add single armed carbon nanotube 0.2%, adopt the compression roller laminating mode to set up 16 mu m's PI film at glue film and filler face;

adopting a transparent PET substrate with the thickness of 188 micrometers, arranging a polythiophene silica gel coating on the substrate, wherein the thickness of the coating is less than 1 micrometer, arranging a filler on the silica gel coating, the average particle size of the filler is 7 micrometers, the adding proportion of the filler is 5% of the weight proportion of the silica gel, and arranging a 16 micrometer PI film on the surfaces of an adhesive layer and the filler in a press roll attaching mode;

the thickness of a silicon coating layer arranged on a transparent PET substrate with the thickness of 188 mu m is 5 mu m, and a PI film with the thickness of 16 mu m is arranged on the surface of the adhesive layer and the surface of the filler in a press roll attaching mode.

And (3) testing conditions are as follows: the temperature is 23 ℃ plus or minus 2 ℃, and the temperature is 50% RH plus or minus 5% RH. A tension tester or similar instruments are adopted, a clamp of the tester can peel the pressure-sensitive material at 180 degrees, the peeling speed of a release film is 300mm/min, the precision is +2%, according to GB/T2792 and a 180-degree peeling strength testing method of the pressure-sensitive adhesive tape, a test strip taken from a representative material is 50mm in width, 250mm in length along the direction of the instrument, a cut is clean and straight, 3 materials with and without fillers are respectively taken for testing, debugging and peeling angles are 180 degrees, the setting speed is 300mm/min, and the tester is started to run and tested.

And (3) testing results:

it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be convenient for peel off and prevent static membrane of wasting discharge with protruding granule, includes support end substrate layer (1), its characterized in that: the top fixedly connected with functional layer (2) of backing substrate layer (1) in the support, viscose fixedly connected with thin layer (3) are passed through at the top of functional layer (2), functional layer (2) are including electrostatic coating (21), the top fixedly connected with glue film (22) of electrostatic coating (21), the top fixedly connected with filler layer (23) of glue film (22).

2. The easy-to-peel antistatic waste discharge film with convex particles as claimed in claim 1, wherein: the thin film layer (3) is made of one of PET, PI, OPP and PVC.

3. The easy-to-peel antistatic waste discharge film with convex particles as claimed in claim 1, wherein: the bottom support base material layer (1) is made of one of PET, PI, OPP and PVC, and is yellow, white or yellow-white mixed color.

4. The easy-to-peel antistatic waste discharge film with convex particles as claimed in claim 1, wherein: the surface of the electrostatic coating (21) is a polythiophene conductive polymer coating.