JP3130273U - Shading net for window glass - Google Patents

Abstract

[PROBLEMS] To reduce the reflection performance due to rusting of the light reflecting material, to prevent the light reflecting material from being peeled off, to be excellent in durability, to block out ultraviolet rays and infrared rays, and to be attached to a window glass as before. Provided is a light shielding net for a window glass in which bubbles do not remain, the mesh is hardly deformed, the yarn is not frayed, and the room is difficult to see from the outside.
A light reflecting film 12 and an adhesive layer 13 are sequentially laminated on one side of a black net fabric 11 knitted using a filament yarn of synthetic fiber, and a mold release made of a synthetic resin is provided via the adhesive layer 13. A film 14 is detachably attached, the other surface of the net base 11 is black without being covered with the light reflecting film 12 and the adhesive layer 13, and the light reflecting film 12 is made of stainless steel. Made of nickel, chromium or titanium and formed by sputtering after weaving.
[Selection] Figure 1

Description

The present invention relates to a light shielding net for a window glass that is attached to the inner surface of a window glass of a vehicle or a building for light shielding.

Various types of light-shielding materials for preventing the incidence of light, such as ultraviolet rays, visible light, and infrared rays that enter the room through the window glass, are known. For example, in Patent Document 1 below, a release film is attached to a colored lace fabric made of organic fibers such as polyester fibers via an adhesive, and the release film is peeled off when attached to a window glass. In addition, it is described that the colored lace ground is attached to the inner surface of the window glass with an exposed adhesive, and that aluminum is attached to the outer surface of the colored lace ground as a reflector by painting or vapor deposition.
Utility Model Registration No. 3007298

Since the window shading material is composed of lace, when pasted on a window glass, no bubbles remain between the shading material and the window glass, and the mesh is deformed, unlike a film shading material. However, there is an advantage that the yarn is not frayed from the cut portion, the room temperature is not easily raised due to the presence of the reflecting material, and the room is difficult to see from the outside. However, since aluminum is used as the reflecting material, there is a problem that the reflecting material is easily rusted, so that the reflecting performance is easily deteriorated, and the reflecting material is attached by painting or vapor deposition, so that the reflecting material is easily peeled off.

This device does not deteriorate the reflective performance due to rust of the reflective material, and the reflective material is difficult to peel off, has excellent durability, and has excellent ultraviolet and infrared shielding properties, and when pasted on a window glass as before. The present invention provides a light-shielding net for window glass in which bubbles do not remain, the mesh is difficult to deform, the yarn is not frayed, and the room is difficult to see from the outside.

The light shielding net for window glass according to this device is a light shielding net for window glass to be pasted on the inner surface of a window glass of a vehicle or a building, on one side of a black net ground knitted using a filament yarn of synthetic fiber. A light reflection film and a pressure-sensitive adhesive layer are sequentially laminated, and a release film made of a synthetic resin is detachably attached via the pressure-sensitive adhesive layer, and the other surface of the black net is the light reflection film and the pressure-sensitive adhesive. It is black without being covered with a layer, and the light reflecting film is made of stainless steel, nickel, chromium or titanium, and is formed by sputtering after weaving.

The light-shielding net is attached by pressing the pressure-sensitive adhesive layer side against the inner surface of the window glass after being cut in accordance with a desired shape, that is, the shape of the window glass to be attached, and releasing the release film. In this case, unlike the film, the light-shielding net is provided with a mesh on the entire surface, so that air bubbles are not formed between the light-shielding net and the window glass, and the entire surface is uniformly applied. In addition, since the above-described light-shielding net is formed of synthetic filament yarns, that is, monofilament yarns or multifilament yarns, the mesh is blocked with fluff as in the case of using spun yarns that are aggregates of staples. No, the field of view becomes brighter. In the above light-shielding net, the inside of the window is black and the outside is covered with the light reflecting film, so that the outside can be clearly seen from the room, but the room is difficult to see from the outside.

Moreover, since the light reflecting film is formed of a corrosion-resistant metal such as stainless steel, nickel, chromium, or titanium, the light-shielding net has a metallic color that does not rust and does not shine when used. In addition, since the light reflecting film is formed by sputtering, the corrosion-resistant metal is firmly fixed to the surface of the synthetic fiber, so that it is difficult to peel off, and durability is improved in combination with being hard to rust. Furthermore, since the light reflecting film is excellent not only in visible light but also in ultraviolet and infrared shielding properties, it is possible to prevent the deterioration of the net due to ultraviolet rays and the increase in indoor temperature due to infrared rays.

The yarn constituting the light-shielding net can be either a monofilament yarn or a multifilament yarn as long as it is a filament yarn made of a synthetic fiber such as polyester, nylon, acrylic, polypropylene, or aramid. The terephthalate is preferable in that the moisture content is low and the above light reflecting film can be firmly fixed by sputtering, and the multifilament yarn is superior in flexibility even at the same fineness as compared to the monofilament yarn, and is therefore curved. It can be adapted to other window glass and can be easily applied without slack.

The light-shielding net of this invention is composed of a black net, but this net may be either knitted using a black original yarn or made black by dyeing after knitting. The net fabric may be either a woven fabric or a knitted fabric as long as it has a mesh. In the woven fabric, the above filament yarn is used for warp and weft and is woven into a plain weave with a coarse density to form a net shape. In the knitted fabric, the above-mentioned filament yarn is supplied to the front, middle, and back of the warp knitting machine, and a plurality of chain stitches are knitted in parallel and at equal intervals with the filament yarn of the front knitting machine. Inserted and knitted in a zigzag manner with filament yarn supplied to the middle and rear heels (for example, marquette), and weft yarns inserted at equal intervals with the above-mentioned chain knitting and right-angle weft device Examples of nets are illustrated. The opening ratio of the net is preferably 20 to 70%. If it is less than 20%, it is difficult to see the outside from the inside of the window glass, and if it exceeds 70%, the light shielding property is insufficient.

A light reflecting film made of a corrosion-resistant metal such as stainless steel, nickel, chrome or titanium is formed on one side of the filament yarn constituting the black net base by subjecting one side of the black net base to sputtering according to a conventional method. . The thickness of the light reflecting film is preferably 200 to 3000 mm. If the thickness is less than 200 mm, the light reflectivity is insufficient. On the other hand, if it exceeds 3000 mm, the productivity decreases. When the black net is a knitted fabric such as a marquette, it is preferable to form the light reflecting film by sputtering the above corrosion-resistant metal with the needle loop side of the chain stitch knitted with a forehead as the surface.

In this device, an adhesive layer is provided on the sputtering surface of the black net. The pressure-sensitive adhesive layer can be repeatedly attached to the window glass surface, and is not particularly limited as long as it does not leave a peeling mark on the window glass surface after peeling, and is, for example, a silicone rubber-based pressure-sensitive adhesive. Is preferred. This pressure-sensitive adhesive is fixed in a layered manner along one side of the filament yarn by applying it to the black net after the sputtering process and drying it. And a release film is detachably laminated | stacked on the sputtering process surface of the said black net | base via this adhesive layer. If the black net is too soft and has low handleability, for example, when it is difficult to apply an adhesive, a hard finish can be applied by resin processing using an acrylic resin or the like.

Since the light-shielding net for window glass according to the present invention has the adhesive layer on one side covered with a release film, foreign substances may adhere to the above-mentioned pressure-sensitive adhesive layer during storage or transportation. In addition, the release film can be easily peeled off, and the light shielding net can be easily applied to the inner surface of the window glass by pressing the peeled adhesive layer against the inner surface of the window glass. Can be fixed. In this fixed state, the outside is clearly visible from the inside of the window glass, but the inside is hardly visible from the outside. Moreover, since the light reflecting film is formed by sputtering of stainless steel, nickel, chromium or titanium, which has excellent corrosion resistance, it does not rust due to use and is difficult to peel off, improving durability, and further visible light. In addition to being excellent in shielding properties of ultraviolet rays and infrared rays, it is possible to prevent deterioration of the net due to ultraviolet rays and temperature rise in the room due to infrared rays.

In particular, the invention according to claim 2 improves the peel strength of the light reflecting film, improves flexibility, and can be easily applied to a curved window glass without slack, and also looks from the inside to the outside. The balance between ease of viewing and shielding of infrared rays and other light entering from the outside to the inside is good. In the device according to claim 3, the thickness of the light reflecting film is suitable, and the balance between light reflectivity and productivity is good. Further, the invention according to claim 4 is excellent in fixability to the window glass surface, is easy to attach and detach, and does not leave a peeling mark on the window glass even if it is peeled off from the window glass.

In FIG. 1, reference numeral 10 denotes a light shielding net for a window glass. A light reflecting film 12 and an adhesive layer 13 are sequentially laminated on one side of a black net 11, and a release film 14 is detachable on the adhesive layer 13. It is formed by sticking to. In the light-shielding net 10, the black net base 11 is a net-like knitted fabric made of polyethylene terephthalate multifilament yarn and having an aperture ratio of 20 to 70%, and exhibits a black color by coloring the material or after dyeing. The light reflecting film 12 is a corrosion-resistant metal film having a thickness of 200 to 3000 mm obtained by sputtering stainless steel, nickel, chromium, or titanium, and a silicone rubber adhesive is applied on the light reflecting film 12. Then, the pressure-sensitive adhesive layer 13 is formed by drying.

The black net 11 can be formed of a woven fabric illustrated in FIG. 2 or a knitted fabric illustrated in FIG. The black net cloth 11 shown in FIG. 2 is woven into a plain weave with a coarse density using multifilament yarns of 75 to 150 dtex made of polyethylene terephthalate as warp yarns 11a and weft yarns 11b so as to have the above-mentioned opening ratio. And black by post dyeing.

On the other hand, the black net cloth 11 shown in FIG. 3 supplies the same multifilament yarn as described above to the front, middle, and back of the warp knitting machine, and the front multifilament yarn (ground yarn) 11c has a large number of chains. A multifilament yarn (weft yarn) 11d supplied to the middle collar and a multifilament yarn (weft yarn) 11e supplied to the back collar are knitted in parallel and at equal intervals. This is a marquette (square stitch) in which square stitches are formed by zigzag insertion between the chain stitch rows, and is blackened by post-dyeing.

The black net 11 shown in FIG. 2 or FIG. 3 is dried and then wound up in a roll shape, and the roll-shaped scroll is placed in a sealable casing, drawn out in one direction, and spread so as to be wound up. Then, a rod-shaped anode and a target (cathode) made of the corrosion-resistant metal for sputtering processing are installed in front of the flatly spread portion, the inside of the casing is decompressed, and argon gas is introduced into the casing. After forming a low-pressure argon gas atmosphere, a DC voltage of 500 V or more is applied between the anode and the cathode, and the black net 11 is sent out at a constant speed and wound around the winding shaft, while dissociating from the argon gas. The ions are accelerated to collide with the cathode target, and the metal on the cathode surface is knocked out and scattered to adhere to the black net 11 to form the light reflecting film 12. At this time, the thickness of the light reflection film 12 is set to 200 to 3000 mm by adjusting the feeding speed of the black net 11. In the case where the black net 11 is the square stitch of FIG. 3, the light reflecting film 12 is formed on the needle loop side of the chain stitch.

Next, the black net 11 on which the light-reflecting film 12 made of the corrosion-resistant metal is laminated is taken out from the casing of the sputtering apparatus, and resin processing is performed using an acrylonitrile resin for hard finishing, and then the black net 11 is taken. A silicone rubber-based pressure-sensitive adhesive is applied to the light reflecting film 12 at a solid content of 1 to 30 g / m ² and dried to form a pressure-sensitive adhesive layer 13. The thickness of the pressure-sensitive adhesive layer 12 made of polyethylene resin A 12 μm release film 14 is detachably attached to obtain a light-reflecting shading net 10.

It is sectional drawing of an Example. It is an organization chart of the black net ground which consists of textiles. It is an organization chart of the black net ground which consists of knitting.

Explanation of symbols

10: shading net for window glass 11: black net 11a: warp, 11b: weft, 11c: ground, 11d: weft, 11e: weft 12: light reflecting film 13: adhesive layer 14: release film

Claims (4)

In a light shielding net for window glass that is attached to the inner surface of a window glass of a vehicle or building as a light shielding material, a light reflecting film and an adhesive layer are laminated in order on one side of a black net woven using synthetic filament yarn. A release film made of synthetic resin is detachably attached via this adhesive layer, and the other surface of the black net is black without being covered with the light reflecting film and the adhesive layer. A light-shielding net for window glass, wherein the light reflecting film is made of stainless steel, nickel, chromium or titanium, and is formed by sputtering after weaving. The light shielding net for window glass according to claim 1, wherein the filament yarn constituting the net base is a multifilament yarn made of polyethylene terephthalate, and the opening ratio of the net base is 20 to 70%. The light-shielding net for window glass according to claim 1 or 2, wherein the thickness of the light reflecting film is 200 to 3000 mm. The light shielding net for window glass according to any one of claims 1 to 3, wherein the adhesive layer is made of silicone rubber.

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