CN215882894U

CN215882894U - Anti-static sheet

Info

Publication number: CN215882894U
Application number: CN202122067158.9U
Authority: CN
Inventors: 苏永
Original assignee: Nano Antistatic Material Dongguan Co ltd
Current assignee: Nano Antistatic Material Dongguan Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-22
Anticipated expiration: 2031-08-27

Abstract

The application discloses an antistatic sheet, comprising a base film; the first lining film is arranged on the first surface of the base film in a hot-melting and laminating manner, and a first antistatic layer is arranged on one surface, far away from the first surface, of the first lining film; the second lining film is arranged on the second surface, far away from the first surface, of the base film 100 in a hot-melting and laminating manner, and a second anti-static layer is arranged on one surface, far away from the second surface, of the second lining film; the thickness of the antistatic sheet is 3-4 mm, the thickness of the base film is 2-3 mm, the thickness of the first lining film and the thickness of the second lining film are both 0.4-0.5 mm, and the thickness of the first antistatic layer and the thickness of the second antistatic layer are both 10-30 micrometers. Through this application, the antistatic backing of having solved compound plastic sheet easily ages and drops, and processing is the not good problem of electrostatic shielding effect behind the blister supporting plate, has realized keeping the beneficial effect that the blister supporting plate through sheet machine-shaping can maintain the electrostatic shielding guard action to electronic product.

Description

Anti-static sheet

Technical Field

The utility model relates to the technical field of composite plastic sheets, in particular to an anti-static sheet.

Background

The composite plastic sheet has the characteristics of green transparency, environmental protection and no carbon powder, has excellent wear resistance, stable surface resistance, no discharge of gas and volatile matters, has strong protection effect on electronic parts, and is widely applied to manufacturing IC trays, liquid crystal trays, electronic part trays, FPC trays and the like.

In the electronic part processing, the electronic parts need to be transferred to different production lines along with the procedures of a processing production line for processing, and a plastic tray or an electronic part tray needs to be used for realizing the lifting and the transportation of the electronic parts in the transfer process. If the tray is charged with static electricity, electrostatic breakdown is generated, which is very easy to cause internal damage of electronic parts and harm the quality of the electronic parts. In order to solve the problem of static electricity on the blister tray or the electronic part tray, the sheet used for processing the blister tray or the electronic part tray in the related art adopts an anti-static sheet, but an anti-static layer of the anti-static sheet in the related art is easy to age and fall off, so that the electrostatic shielding effect after the blister tray processed by the anti-static sheet is poor.

At present, no effective solution is provided for the problem of poor electrostatic shielding effect after the anti-static sheet is processed into the blister tray in the related art.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide an anti-static sheet, so as to at least solve the problem in the related art that the anti-static sheet has a poor electrostatic shielding effect after being processed into a blister tray.

In order to solve the above technical problems, the present invention provides a technical solution as follows: a base film; the first lining film is arranged on the first surface of the base film in a hot-melting and laminating manner, and a first antistatic layer is arranged on one surface, far away from the first surface, of the first lining film; the second lining film is arranged on a second surface, far away from the first surface, of the base film in a hot-melting and sticking manner, and a second anti-static layer is arranged on one surface, far away from the second surface, of the second lining film; the thickness of the anti-static sheet is 3-4 mm, the thickness of the base film is 2-3 mm, the thickness of the first lining film and the thickness of the second lining film are both 0.4-0.5 mm, and the thickness of the first anti-static layer and the thickness of the second anti-static layer are both 10-30 micrometers.

In the antistatic sheet, a layer of corresponding lining film is respectively hot-melted and pressed on the upper surface and the lower surface of a base film, and an antistatic layer is coated on each layer of lining film; the anti-static layer is attached to the lining film, so that the anti-static layer is strongly combined with the base film and is not easy to fall off, and after the anti-static layer is processed into a sucker of an electronic product, the anti-static layer is small in damage, the problems that the anti-static layer of a sheet is easy to age and fall off in the related technology and the electrostatic shielding effect is poor after the sheet is processed into a blister tray are solved, and the beneficial effect that the plastic sucking disc processed and formed by the sheet can maintain the electrostatic shielding protection effect on the electronic product is realized.

In one embodiment, the base film comprises one of the following in order to meet the requirement that the sheet can be processed and molded into a corresponding turnover blister tray by blister molding: PS basal lamina, polystyrene basal lamina, polyethylene basal lamina.

In one embodiment, the first and second liner films each comprise one of: polystyrene films, polyethylene films.

In one embodiment, in order to realize the arrangement of the antistatic layer, the first antistatic layer is coated on the side of the first lining film far away from the first surface, and the second antistatic layer is coated on the side of the second lining film far away from the second surface.

In one embodiment, the base film has a thickness of 2mm, the first and second liner films each have a thickness of 0.5mm, and the first and second antistatic layers each have a thickness of 30 μm.

Drawings

Fig. 1 is a structural view of an antistatic sheet according to an embodiment of the present application.

Reference numerals:

100. a base film; 200. a first liner film; 300. a first antistatic layer; 400. a second liner film; 500. a second antistatic layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The antistatic sheet provided by the embodiment of the application is used for preparing a plastic sucking disc corresponding to the turnover of an electronic product production line, for example: in the plastic sucking disc, the plastic sucking disc which is processed and formed is used for bearing and transporting electronic products and protecting the electronic products against static electricity.

Fig. 1 is a structural view of an anti-static sheet according to an embodiment of the present application, which illustrates the anti-static sheet, and solves the problems in the related art that an anti-static layer of the sheet is easy to age and fall off, and the electrostatic shielding effect is not good after the sheet is processed into a blister tray, so that the beneficial effect of maintaining the electrostatic shielding protection effect on an electronic product of a blister tray processed and molded by the sheet is achieved.

Referring to fig. 1, an antistatic sheet according to an embodiment of the present application includes: a base film 100; the first lining film 200 is hot-melt and arranged on the first surface of the base film 100 in a sticking and pressing manner, and a first antistatic layer 300 is arranged on one surface, away from the first surface, of the first lining film 200; the second liner film 400 is hot-melt and arranged on the second surface of the base film 100 away from the first surface, and a second anti-static layer 500 is arranged on one surface of the second liner film 400 away from the second surface; wherein the thickness of the antistatic sheet is 3-4 mm, the thickness of the base film 100 is 2-3 mm, the thickness of the first liner film 200 and the thickness of the second liner film 400 are both 0.3-0.5 mm, and the thickness of the first antistatic layer 300 and the thickness of the second antistatic layer 500 are both 10-30 μm.

In the anti-static sheet, a layer of corresponding lining film is respectively hot-melted and pressed on the upper surface and the lower surface of the base film 100, and an anti-static layer is coated on each layer of lining film; the anti-static layer is attached to the lining film, so that the anti-static layer is combined with the base film forcefully and is not easy to fall off, after the sucker of the electronic product is processed, the anti-static layer is damaged little, the problem that the anti-static layer is easy to age and fall off is solved, the problem that the electrostatic shielding effect is not good after the plastic sucking tray is processed, and the beneficial effect that the plastic sucking tray which is processed and formed by sheets can maintain the electrostatic shielding protection effect on the electronic product is realized.

It should be noted that, by respectively arranging a first lining film 200 and a second lining film 400 with antistatic layers on the first surface and the second surface of the base film 100, coating of the antistatic layers is completed on the lining films, so that the binding force of the antistatic layers is improved, the probability of falling off of the antistatic layers is reduced, and the problem that the antistatic layers cannot be coated on the base film 100 due to the material of the base film 100 is solved; meanwhile, the first lining film 200 and the second lining film 400 are arranged, so that the wear resistance of the plastic sucking disc machined and formed by the anti-static sheet is enhanced, and the service life of the plastic sucking disc is prolonged.

It is understood that the hot melt pressing is to laminate and connect two material layers by stacking the two material layers to be connected up and down, heating the material layers to make the contact surfaces of the two material layers in a hot melt state, and pressing the material layers to fuse the contact surfaces of the two material layers; the first lining film 200 and the second lining film 400 are connected with the base film 100 by adopting a hot melting and pressing mode, so that the connection firmness of all film layers of the anti-static sheet is ensured, the quality of a product is improved, and the service life of the anti-static sheet is prolonged.

In the embodiment of the present application, the first antistatic layer 300 and the second antistatic layer 500 are both made of polycaprolactone resin coatings doped with poly ethyl ether, and the antistatic mother particles of the polycaprolactone resin coatings doped with poly ethyl ether are coated on the first liner film 200 and the second liner film 400 by a film blowing process, so that the antistatic sheets are subjected to antistatic protection during the production process and the use process.

In one embodiment, the base film 100 comprises one of the following: PS basal lamina, polystyrene basal lamina, polyethylene basal lamina.

It is to be understood that the base film 100, which is provided for the corresponding material layer, serves as a carrier for the antistatic sheet, thus ensuring that the antistatic sheet can be applied to the manufacture of the corresponding blister tray.

In one embodiment, the first liner film 200 and the second liner film 400 each include one of: polystyrene films, polyethylene films. In some of the alternative embodiments, the first and

second liner films

200 and 400 are preferably Polyethylene (PE) films.

In one embodiment, in order to realize the disposition of the antistatic layer, the first antistatic layer 300 is coated on the side of the first backing film 200 away from the first surface, and the second antistatic layer 500 is coated on the side of the second backing film 400 away from the second surface.

It should be understood that, with such an arrangement, the first antistatic layer 300 and the second antistatic layer 500 are respectively arranged on the first lining film 200 and the second lining film 400, and the coating of the antistatic layer is completed on the lining films, so that the binding force between the antistatic layer and the base film 100 is improved, and the falling probability of the antistatic layer is reduced.

In some alternative embodiments, the base film 100 has a thickness of 2mm, the first and

second liner films

200 and 400 each have a thickness of 0.5mm, and the first and second

antistatic layers

300 and 500 each have a thickness of 30 μm.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.

Claims

1. An antistatic sheet, comprising:

a base film (100);

the first lining film (200) is arranged on the first surface of the base film (100) in a hot-melt laminating mode, and a first antistatic layer (300) is arranged on one surface, far away from the first surface, of the first lining film (200);

the second lining film (400) is arranged on the second surface, far away from the first surface, of the base film (100) in a hot-melt and laminating mode, and a second antistatic layer (500) is arranged on one surface, far away from the second surface, of the second lining film (400);

wherein, the thickness of antistatic sheet is 3 ~ 4mm, base film (100) thickness is 2 ~ 3mm, first lining membrane (200) with the thickness of second lining membrane (400) is 0.4 ~ 0.5mm, first antistatic layer (300) with the thickness of second antistatic layer (500) is 10 ~ 30 mu m.

2. The antistatic sheet according to claim 1, wherein the base film (100) comprises one of: PS basal lamina, polystyrene basal lamina, polyethylene basal lamina.

3. The antistatic sheet according to claim 1, wherein the first liner film (200) and the second liner film (500) each comprise one of: polystyrene films, polyethylene films.

4. The antistatic sheet according to claim 1, wherein the first antistatic layer (300) is coated on a side of the first backing film (200) remote from the first surface, and the second antistatic layer (500) is coated on a side of the second backing film (500) remote from the second surface.

5. The antistatic sheet according to any one of claims 1 to 4, wherein the base film (100) has a thickness of 2mm, the first and second backing films (200, 400) each have a thickness of 0.5mm, and the first and second antistatic layers (300, 500) each have a thickness of 30 μm.