JP3001731U - External film for windows - Google Patents

Abstract

(57) [Abstract] [Purpose] To eliminate the complexity of sticking it to the windshield of a car from the inside of the car, shorten the work time, do not scratch it even when washing the car, and make it easy to replace it. [Structure] The film base 1 is composed of a semitransparent or transparent synthetic resin film, and a hard coat layer 3 having weather resistance, impact resistance and high hardness is formed on the surface of the film base 1.
An ultraviolet-curable curing liquid agent layer 4 is formed on the entire surface of the hard coat layer 3.
To provide. A weather resistant colored pressure-sensitive adhesive layer 5 that adheres to the outer surface of the window glass is applied to the back surface of the film base 1, and a release film 6 is detachably provided on the application surface of the colored adhesive layer 5. Further, the film base 1 is made of a polyester film having a thickness of about 38 μm, and the release film 6 is made to have a thickness of about 25 μm.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an outer film for a window to be attached to a rear window glass, a side window glass of an automobile, a window glass of a building, or the like.

[0002]

[Prior art]

 A window film for removing the reflection of ultraviolet rays and the like into the room is made by laminating a transparent synthetic resin film, which is the base, with an adhesive and a release film. It is affixed from the inside to windshields and glass windows of buildings. In this case, for the general public, those without a hard coat layer that is easy to apply are provided as the mainstream, and for professional installers, those with a hard coat layer are provided as the mainstream. On the other hand, there is also an external attachment method that is applied from the outside of the adherend such as wind glass, which uses a dyed transparent synthetic resin film with a hard coat layer on the surface. is there.

[0003]

[Problems to be solved by the device]

 However, since the inner sticking method for sticking to the windshield of an automobile or the like requires working inside the car, it is necessary to stick or re-attach in a narrow work space inside the car, especially sticking to the rear windshield. It was extremely difficult to install and it took a long time to work. In the case of the inner sticking method with the rear window glass of automobiles, the film directly presses on the heat wire stretched on the inner surface of the rear window glass, so the film surface becomes uneven and cracks and peeling occur from there. There was a problem.

On the other hand, the external sticking method is provided with a weather-resistant thick hard coat layer to withstand severe use conditions such as protection against sunlight from ultraviolet rays, prevention of discoloration, and prevention of damage during car washing. The entire wind film inevitably became thicker. Not only that, but since the rear window glass itself has a three-dimensional convex curved shape, when it is pasted on the surface of this, the expansion layer and the adhesive layer on the surface side of the hard coat layer when the film is attached. Side of the back side, which is the back side, changes with time and restores in the direction opposite to the sticking direction and peels off, or cracks may occur due to intrusion of dust from the outside during use. There was a problem such as being lost.

Therefore, the present invention has been devised in view of various existing circumstances as described above. For example, a window glass of an automobile, particularly a rear window glass, can be attached without the complexity of attaching from the inside of the vehicle. A new outer film for windshields that reduces work time, has weather resistance, impact resistance, and high hardness so that it does not get scratched during car washing, can be easily re-attached, and reduces costs. The purpose is to provide.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, in the present invention, a film base 1 made of a semi-transparent or transparent synthetic resin film, and weather resistance and impact resistance applied to the entire surface of the film base 1 and having high impact resistance are provided. Hardness hard coat layer 3, UV-curable curable liquid agent layer 4 applied over the entire surface of the hard coat layer 3, and weather resistance applied on a part or the entire back surface of the film base 1. And a colored transparent adhesive layer 5 and a release film 6 that is releasably attached to the coated surface of the colored adhesive layer 5.

The film base 1 can be made of a polyester film having a thickness of about 38 microns, and the release film 6 can be made of a thickness of about 25 microns.

Further, the film base 1 is configured to be adhered to the outer surface of the wind glass 2 via the colored adhesive layer 5.

[Action]

 In the outer film for windows according to the present invention, after peeling off the release film 6 from the film base 1, the film base 1 is attached to the outer surface of the window glass 2 via the colored adhesive layer 5. At this time, the colored pressure-sensitive adhesive layer 5 has a stronger adhesive performance than the inner film.

When the hard coat layer 3 applied to the entire surface of the film base 1 is stuck on the three-dimensional convex curved surface outside the wind glass 2, the sticking outer surface shape is plastically retained. It also recovers in the opposite direction and does not peel off due to changes over time, and withstands damage such as car washing and impact.

The ultraviolet-curable curable liquid agent layer 4 applied over the entire surface of the hard coat layer 3 reflects a part of the ultraviolet rays of the sunlight incident from the outside and absorbs a part of the other rays, and thus transmits the ultraviolet rays. Most of the light is cut.

The colored pressure-sensitive adhesive layer 5 applied to the back surface of the film base 1 serves as a compression layer when externally attached to the surface of the window glass 2 and is plastically retained along the shape of the external surface of the adhesive layer. It prevents the intrusion of dust and the generation of cracks.

[0012]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. In the drawings, reference numeral 1 is a film base made of a translucent or transparent synthetic resin film such as a polyester film. Is formed to have a size of about 38 microns. In addition, the shape is cut so as to match the size and shape of the wind glass 2 when it is attached to the outer surface of the wind glass 2 on the side opposite to the inner surface on which the heat wire of the automobile is stretched. It is removed or formed into a buckle or other appropriate shape as an appropriate divided form. Of course, the film base 1 itself may be appropriately colored to be colored and transparent.

A hard coat layer 3 having high weather resistance, impact resistance, and high hardness is formed on one surface of the outer surface of the film base 1. For example, when the hard coat layer 3 has a triple coat finish, a damage prevention process at the time of car washing and a discoloration prevention process are applied. Further, an ultraviolet curable hardening liquid agent layer 4 (commonly called UVHC) is applied over the entire surface of the hard coat layer 3 to reflect a part of the ultraviolet rays of the sunlight incident from the outside and absorb the other part. By doing so, most of the transmitted light of ultraviolet rays is cut off.

Then, on one surface constituting the back surface (sticking surface) of the film base 1, for example, a sticking dye, a coloring agent, a pigment or the like having an appropriate color is attached in order to stick it to the surface of the wind glass 2 of the automobile. A colored and pressure-sensitive adhesive layer 5 which is impregnated and kneaded, is colored, is transparent, and has high adhesiveness, is partially or entirely applied. The colored pressure-sensitive adhesive layer 5 is configured to have a stronger adhesive performance than that of the internal-adhesion type because the compression layer generated during external adhesion is maintained in a plastically deformable manner. Further, a release film 6 made of a synthetic resin having a thickness of about 25 μm is releasably adhered to the coated surface of the colored adhesive layer 5, for example, on a three-dimensional convex curved surface outside the window glass 2. In the case of sticking to, the peeling film 6 is peeled off and the film base 1 is stuck via the colored adhesive layer 5.

In addition, in the above-mentioned embodiment, the case of externally adhering to the windshield 2 of the automobile has been illustrated, but in addition to this, it may be applied to windshields of buildings and various windshields of vehicles. Of course good things.

Next, an example of the use of the outer film for windscreen according to the present invention will be described. For example, when the film is attached to the outer surface of the windshield 2 of an automobile, first, the release film 6 is removed from the film base 1. After exfoliation, the hard coat layer 3 is on the surface and the colored adhesive layer 5 of the film base 1 is used, and in the case of the rear window glass, it is on the side opposite to the inner surface on which the heat wire is stretched. Stick on the outside of the windshield 2. At the time of this sticking, the sticking is carried out by using barene or the like while pressing so that no bubbles remain between the window glass 2 and the film base 1 and the colored adhesive layer 5. After pasting, the burr of the film base 1 protruding from the window glass 2 is cut and removed using a cutter or the like. In addition, when it is attached, it may be appropriately divided along the three-dimensional convex curved surface of the window glass 2 or using a paper pattern or the like having a shape in advance.

[0017]

[Effect of device]

 As described above, according to the present invention, a film base 1 made of a synthetic resin film, a hard coat layer 3 having weather resistance and impact resistance and high hardness, an ultraviolet curable hardening liquid agent layer 4, and weather resistance. As it is composed of a colored transparent colored adhesive layer 5 and a peeling film 6 which is removably attached, it can sufficiently block ultraviolet rays, and due to its weather resistance, impact resistance and high hardness, it can be cracked even when washing a car. It is not scratched, there is no fear of peeling, and the re-attachment work can be easily and easily performed. In particular, since the complexity of sticking from the inside of the car such as the window glass 2 of the car and the side window glass is eliminated, the sticking time can be reduced to about 1/5 compared to the conventional inner sticking, and even an amateur can easily do it. It can be carried out.

Since the film base 1 made of a transparent synthetic resin film is made of a polyester film having a thickness of about 38 μm, and the release film 6 is made to have a thickness of about 25 μm, The shape of the outer surface of the wearable surface can be retained plastically, and there is no risk of peeling off.

Further, since the film base 1 is attached to the outer surface of the wind glass via the colored pressure-sensitive adhesive layer 5, the film base 1 directly presses on the heat wire and the film surface becomes uneven, which is a conventional problem. The coloring property of the colored pressure-sensitive adhesive layer 5 is protected by the ultraviolet ray-curable curing liquid agent layer 4 formed by coating via the hard coat layer 3 on the film base 1 which is the surface side. Fear is extremely small and can be maintained for a long time.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part in an embodiment of the present invention.

FIG. 2 is a perspective view of an essential part showing an example of a usage state.

[Explanation of symbols]

1 Film Base 2 Wind Glass 3 Hard Coat Layer 4 UV Curable Curing Liquid Agent Layer 5 Colored Adhesive Layer 6 Release Film

Claims (3)

[Scope of utility model registration request] 1. A film base made of a semitransparent or transparent synthetic resin film, a weather-resistant, impact-resistant and high-hardness hard coat layer applied to the entire surface of the film base, and the hard coat layer. UV-curable curing liquid agent layer applied over the entire surface of, a weather-resistant colored transparent adhesive layer applied on a part or the entire back surface of the film base, and the coated surface of this colored adhesive layer An outer sticking film for a window, which comprises a peeling film which is detachably attached to the. 2. The outer coating film for a window according to claim 1, wherein the film base is a polyester film having a thickness of about 38 μm, and the release film has a thickness of about 25 μm. 3. The outer coating film for a window according to claim 1, wherein the film base is attached to the outer surface of the wind glass via a colored adhesive layer.