CN210711369U

CN210711369U - Automobile glass film

Info

Publication number: CN210711369U
Application number: CN201921509900.3U
Authority: CN
Inventors: 李旺; 唐鹿
Original assignee: Jiangxi University of Technology
Current assignee: Jiangxi University of Technology
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-06-09
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses an automobile glass pad pasting, be in including the plastic film base member and stack the setting in proper order the first SiOx layer, amorphous silicon layer, second SiOx layer, adhesive layer and the release film of plastic film base member side surface, a serial communication port, first SiOx layer deposit is in on the plastic film base member, amorphous silicon layer deposit is in on the first SiOx layer, second SiOx layer deposit is in on the amorphous silicon layer, the adhesive layer adheres to on the second SiOx layer, it covers to paste from the release film on the adhesive layer. The automobile glass film is simple in structure, does not contain a metal layer, has good heat insulation, one-way permeability and anti-explosion performance, and still has excellent comprehensive performance after being continuously used for a long time.

Description

Automobile glass film

Technical Field

The utility model relates to an automobile application especially relates to an automobile glass pad pasting.

Background

At present, in the field of automobile decorative materials, glass films have gradually become essential as decorative materials for automobile glass decoration. The glass film can not only prevent the car window from being scratched by foreign objects to cause blurring, but also prevent the car from being broken when being impacted by external force to play an explosion-proof role; meanwhile, the heat-insulating and ultraviolet-proof glass has the functions of heat insulation and ultraviolet prevention. In addition, most glass adhesive films have one-way light transmission, so that the purpose of protecting the privacy of drivers and passengers is achieved. In order to realize the functions of ultraviolet ray isolation, one-way light transmission, heat insulation and glare prevention of the automobile glass film, most of the existing automobile glass films need to have a multilayer film structure, particularly a metal layer. When the metal layer is used for a long time, the metal layer is easy to oxidize to cause aging failure of the automobile film, and the heat insulation performance and the heat resistance performance of the metal layer are difficult to guarantee in long-term use.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides an automobile glass pad pasting. The automobile glass film is simple in structure, does not contain a metal layer, has good heat insulation, one-way permeability and anti-explosion performance, and still has excellent comprehensive performance after being continuously used for a long time.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an automotive glazing film comprising: the plastic film comprises a plastic film substrate, and a first SiOx layer, an amorphous silicon layer, a second SiOx layer, an adhesive layer and a release film which are sequentially overlapped on one side surface of the plastic film substrate, wherein the first SiOx layer is deposited on the plastic film substrate, the amorphous silicon layer is deposited on the first SiOx layer, the second SiOx layer is deposited on the amorphous silicon layer, the adhesive layer is attached to the second SiOx layer, and the release film is attached to and covers the adhesive layer.

In a preferred embodiment of the present invention, the plastic film substrate is made of one of poly (p-phenylene terephthalate) (PET), polyurethane, Polytetrafluoroethylene (PTFE), and Polyethylene (PE).

In a preferred embodiment of the present invention, the first SiOx layer is deposited on the plastic film substrate by a plasma enhanced chemical vapor deposition method.

In a preferred embodiment of the present invention, the amorphous silicon layer is deposited on the first SiOx layer by plasma enhanced chemical vapor deposition.

In a preferred embodiment of the present invention, a second SiOx layer is deposited on the amorphous silicon layer by plasma enhanced chemical vapor deposition.

In a preferred embodiment of the present invention, the adhesive layer is attached to the second SiOx layer by spraying.

In a preferred embodiment of the present invention, the thickness of the first SiOx layer is 60 to 80 nm.

In a preferred embodiment of the present invention, the thickness of the amorphous silicon layer is 10-25 nm.

In a preferred embodiment of the present invention, the thickness of the second SiOx layer is 130-160 nm.

The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:

(1) the automobile glass film is simple in structure, does not contain a metal layer, has good heat insulation, one-way permeability and anti-explosion performance, and still has excellent comprehensive performance after being continuously used for a long time.

(2) Do not contain the metal level, can effectively avoid the problem of the oxidation inefficacy of metal layer in the one-way glass in the past, the utility model discloses replace related metal level among the prior art with amorphous silicon layer, because amorphous silicon layer has the characteristics that can not be by the oxidation in the air, also can not be by the oxidation when the temperature is higher, and the metal then can accelerate the speed of being oxidized at relatively higher temperature, consequently, the utility model discloses a design can improve the heat resistance and the long-term stability of car pad pasting.

(3) The different refractive indexes of the first SiOx layer, the amorphous silicon layer and the second SiOx layer are utilized, the spectrum difference is absorbed, the one-way transmittance of light is realized through the optical matching among the thicknesses of different film layers, the protection on the privacy of people in the vehicle can be met, and the interference of light is reduced.

(4) The amorphous silicon layer has strong absorption capacity to infrared light, can cut off the larger part of the heat radiation of sunlight at the glass, and has good heat insulation property.

(5) The multilayer film structure can effectively prevent glass from being scratched and can prevent explosion.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is an exploded view of a layered structure of an automotive glass film according to a preferred embodiment of the present invention;

in the figure: 1. a plastic film substrate; 2. a first SiOx layer; 3. an amorphous silicon layer; 4. a second SiOx layer; 5. an adhesive layer; 6. and (4) a release film.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention. The figure shows only the positional relationship of each layer of the glass, and the thickness is unified only for the convenience of observation, and the thickness is not related to the thickness at the time of actual production.

As shown in fig. 1, an automobile glass film includes: the plastic film comprises a plastic film substrate, and a first SiOx layer, an amorphous silicon layer, a second SiOx layer, an adhesive layer and a release film which are sequentially overlapped on one side surface of the plastic film substrate.

The preparation method of the automobile glass film comprises the following steps: providing a plastic film substrate; depositing a SiOx film (namely a first SiOx layer) on the plastic film substrate by adopting a plasma enhanced chemical vapor deposition method; depositing an amorphous silicon layer on the SiOx film by adopting a plasma enhanced chemical vapor deposition method; depositing a second SiOx layer on the amorphous silicon layer by adopting a plasma enhanced chemical vapor deposition method; spraying an adhesive layer on the second SiOx layer; and sticking a release film on the adhesive layer.

The first SiOx layer and the second SiOx layer may be made of the same material, and they are different in that: the refractive index of the first SiOx layer is larger than that of the second SiOx layer, the refractive index of the first SiOx layer is between 2.3 and 2.8, and the refractive index of the second SiOx layer is between 1.3 and 2.2. The refractive index of different SiOx layers can be adjusted by adjusting the proportion of the reaction sources (SiH4 and CO2) and the power of the plasma power source during the deposition process. The refractive index of the amorphous silicon layer is 3.2-3.5.

The utility model discloses an automobile glass pad pasting is used for pasting and covers on the inboard glass surface of car, tears the automobile glass pad pasting surface from the type membrane, pastes the automobile glass pad pasting of surplus part in the automobile glass surface with adhesive layer one side again, ensures before the pad pasting that the automobile glass surface has accomplished the washing, relative dry clean, after the pad pasting, ensures as far as bubble-free between automobile glass pad pasting and the automobile glass.

The automobile glass film is formed by stacking the plurality of layers of functional films, is firm, compact and simple in structure, does not contain a metal layer, and can effectively avoid the problem of oxidation failure of the metal layer in the conventional unidirectional glass. The first SiOx layer, the amorphous silicon layer and the second SiOx layer have different refractive indexes and different absorption of spectra, and the unidirectional light transmittance is realized through the optical matching among the thicknesses of different film layers. In addition, the amorphous silicon layer has strong absorption capacity to infrared light, can cut off the large part of the heat radiation of sunlight at the glass, and has good heat insulation performance. The automobile glass film has excellent heat insulation, heat resistance, one-way permeability and explosion resistance, and has excellent comprehensive performance after long-term continuous use.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An automotive glazing film comprising: the plastic film comprises a plastic film substrate, and a first SiOx layer, an amorphous silicon layer, a second SiOx layer, an adhesive layer and a release film which are sequentially overlapped on one side surface of the plastic film substrate.

2. The automotive glass film of claim 1, wherein: the plastic film substrate is made of any one of poly-p-phthalic acid Plastic (PET), polyurethane, Polytetrafluoroethylene (PTFE) and Polyethylene (PE).

3. The automotive glass film of claim 1, wherein: depositing the first SiOx layer on the plastic film substrate by plasma-enhanced chemical vapor deposition.

4. The automotive glass film of claim 1, wherein: depositing the amorphous silicon layer on the first SiOx layer by plasma enhanced chemical vapor deposition.

5. The automotive glass film of claim 1, wherein: and depositing a second SiOx layer on the amorphous silicon layer by adopting a plasma enhanced chemical vapor deposition method.

6. The automotive glass film of claim 1, wherein: the adhesive layer is attached to the second SiOx layer by spraying.

7. The automotive glass film of claim 1, wherein: the thickness of the first SiOx layer is 60-80 nm.

8. The automotive glass film of claim 1, wherein: the thickness of the amorphous silicon layer is 10-25 nm.

9. The automotive glass film of claim 1, wherein: the thickness of the second SiOx layer is 130-160 nm.