KR20080082315A - Black plastic film for lamination having non-iridescence and lustrous property, and method for manufacturing the same - Google Patents

Abstract

A non-iridescence glossy black plastic film for lamination, and a method for preparing the plastic film are provided to obtain satisfactory bending property and hardness and to improve the black gloss of surface. A non-iridescence glossy black plastic film(1) for lamination comprises a transparent plastic film(10); a radiation curing resin layer(11) which is formed on the surface of the transparent plastic film; and a printing layer(12) and a black film layer(13) which are formed on the back surface of the transparent plastic film. Preferably the radiation curing resin layer is coated by using a roll having 150-250 mesh by Gravure coating method; and the transparent plastic film is a polyethylene terephthalate, polyester, polyethylene or polypropylene film.

Description

Black plastic film for lamination having non-iridescence and lustrous property, and method for manufacturing the same}

1 to 4 is a block diagram showing a cross section of a colorless glossy black plastic film for lamination according to a preferred embodiment of the present invention.

<Description of the code | symbol about the principal part of drawing>

1: Colorless Glossy Black Plastic Film for Lamination

10: transparent plastic film (layer) 11: photo-curable resin layer

12, 15: printed layer 13: black film (layer)

14: adhesive layer

The present invention relates to a non-iridescence glossy black plastic film for lamination and a method of manufacturing the same. In more detail, a photocurable resin layer is formed on the surface side of the transparent plastic film, and the photocurable resin layer is discolored in the plastic black film for lamination including a printing layer and a black film layer on the back side thereof. (non-iridescence) It is characterized in that it is a glossy layer.

The non-iridescence glossy black plastic film for lamination according to the present invention is suitable for use as exterior materials for home appliances, interior and exterior interiors of buildings, and surface decorative finishes for furniture. In particular, the non-chromic glossy black plastic film for lamination according to the present invention is suitable for a metal plate (or metal surface) can be laminated on the metal surface and used to maximize the pattern effect.

The conventional glossy black plastic film for lamination generally causes discoloration (iridescence) on the appearance of iridescence depending on the viewing angle. That is, iridescence or iridescence appears depending on the viewing angle. When the back film layer is composed of a black film, iridescence occurs in the transparent plastic film due to the intrinsic refractive index of the transparent plastic film and the anisotropic and haze generated by biaxial stretching during processing. In addition, due to the intrinsic refractive index of the surface coating resin (ultraviolet ray or thermosetting resin), processing conditions, and the like, it is known that iridescence occurs in appearance.

Theoretically, it is possible to solve the problem that iridescence occurs by matching the refractive index of the transparent plastic film and the plastic material of each layer laminated thereon (non-iridescence). Due to the problem of iridescence that occurs, it is not easy to produce non-iridescence glossy black plastic film through refractive index matching.

In addition, the method of matching the refractive index of each layer as described above, due to the limited properties of the resin can be used (Bending properties), adhesion properties of the surface-side photo-curable resin layer (H / Coating) and physical properties (Hardness), etc. Difficulties still remain.

The present invention is to solve the problems appearing in the prior art as described above, non-iridescence glossy black plastic that solves the problem that the iridescence occurs by adjusting the haze (Haze) of the transparent plastic film To provide the film.

In addition, the present invention is to provide a non-iridescence glossy black plastic film that solves the problem that iridescence occurs by controlling and controlling the solid contents of the photocurable acrylic resin composition forming the surface layer.

Another object of the present invention is a non-iridescence that solves the problem that iridescence occurs by coating a photocurable resin layer, which is a surface layer, using 150 to 250 mesh rolls. ) To provide a glossy black plastic film.

In the present invention for achieving the above object, a photocurable resin layer on the surface side of the transparent plastic film, the printing layer and a black film layer on the back side thereof in the plastic black film for lamination, the photocurable resin layer Disclosed are a non-iridescence glossy black plastic film for lamination characterized in that it is a non-iridescence glossy layer and a manufacturing method thereof.

The non-iridescence glossy black plastic film for lamination according to the present invention includes a photocurable resin layer on the surface side of the transparent plastic film, and a printing layer and a black film layer on the back side thereof as basic configurations.

An adhesive layer may be interposed between the transparent plastic film and the black film layer, and the printing layer may be formed on both sides of the transparent plastic film.

When the non-iridescence glossy black plastic film for lamination according to the present invention is applied to a monochromatic, in particular, black, which is vulnerable to the iridescence effect, the implementation of the High Glossy effect according to the mirror effect and the non-iridescence effect is achieved. It is possible to obtain a more elegant appearance effect than the monochromatic gloss, especially gloss black products, to which the conventional iridescence effect is added.

The transparent plastic film of the non-iridescence glossy black plastic film for lamination according to the present invention is polyethylene terephthalate (PET), polyester (polyester), polyethylene (PE), polypropylene (PP) Films made of such materials are preferred, and in particular, PET, which can be manufactured by conventional methods such as compression, calendar, and T-Die, has a thin thickness, uniformity, high transparency, and excellent processing properties, and PET (Polyethylene Terephthalate; PET). ) Film is preferred. In the present invention, the transparency (Haze) of the transparent plastic film (Haze) is preferably 1% to 10% level is less than 1%, it is difficult to control the iridescence effect of the transparent film itself, if it exceeds 10% black after printing (black) The feeling will fall.

In the present invention, the thickness of the transparent plastic film is preferably in the range of 12 microns (µm) to 50 microns (µm). If the thickness of the transparent plastic film is less than 12㎛ curl may occur on the transparent plastic film (Curl) may adversely affect the print job, if it exceeds 50㎛ it may be difficult to save the black texture due to the high opacity.

The photo-curable resin layer, which is a non-iridescence glossy layer of a non-iridescence glossy black plastic film for lamination according to the present invention, is easy to control properties and has a general refractive index urethane acrylate. , Oligomers such as epoxy acrylate and polyester acrylate, monomers such as isobornyl acrylate and vinyl pyrrolidinone, Irgacure184 It is formed of the ultraviolet curable resin composition which consists of conventional photoinitiators, such as these. In the ultraviolet curable resin composition according to the present invention, conventional light stabilizers such as conventional Tinuvin400 and other additives for supplementing physical properties may be added.

In the ultraviolet curable resin composition, solid content (Solid Contents) of the oligomer is preferably in the range of 50% by weight (%) to 80% by weight (%).

In addition, the more crosslinking of the cured resin, the stronger the hardness, it is preferable to use a polyfunctional monomer, but the higher the functional group, the worse the dimensional stability, elongation, bendability, it is necessary to select the monomer of the appropriate functional group. Examples of such monomers include monomers such as isobornyl acrylate and vinyl pyrrolidinone.

The photo-curable resin layer, which is a non-iridescence gloss layer, may be formed using various conventional methods such as Nip Coater and Bar Coater. However, a Gravure coating method may be used. More suitable, it is preferable to coat using 150 to 250 mesh rolls. If the 150Mesh is less than the fineness of the coating effect is unstable coating uniformity and if the 250Mesh exceeds 250Mesh occurs a problem that the coating liquid is not applied even if a small scratch on the fabric state.

The black film layer of the non-iridescence gloss black plastic film for lamination according to the present invention is 15 to 25 parts of plasticizer, 2 to 4 parts of stabilizer, black color to vinyl chloride resin having a degree of polymerization of about 800 to 1300. In order to secure hiding power, it is preferable to apply a black film having a thickness of 0.05 to 0.2 mm produced by adding organic and inorganic pigments.

The non-iridescence glossy black plastic film for lamination according to the present invention comprises the steps of preparing a transparent plastic film and a light curable resin composition; Coating and curing the photocurable resin composition on one side of the transparent plastic film using 150 to 250 mesh rolls to form a photocurable resin layer; Forming a printing layer on a rear surface of the photocurable resin layer; It can be prepared by a manufacturing method comprising a; black film plywood step of plywood separately prepared black film on the printing layer.

After the printing layer is formed, the adhesive layer may be formed, followed by black film plywood. The adhesive layer is coated with an adhesive such as polyurethane or polyester on the printing layer or the black film to a thickness of about 1 to 5㎛ by the gravure method, and then applied a heat of 80 ~ 150 ℃ to the black film and plywood with a lamination roll You can.

Before the photocurable resin layer is formed, a non-iridescence glossy black plastic film for lamination in which a printing layer is formed on both surfaces may be manufactured by first forming a printing layer and then forming a photocurable resin layer thereon.

In the present invention, a non-transparent poly terephthalate (PET) film having high transparency and processing properties is used as a base film, and an acrylic resin having a general refractive index that is easy to control haze and modify physical properties is used as a base resin of the surface layer. In addition to realizing the appearance of -iridescence, it can satisfy the basic properties of products such as bending (bending) and surface hardness (Hardness), and can be manufactured by a generalized processing method, thereby simplifying the processing process.

The non-iridescence gloss black plastic film for lamination according to the present invention is applied to an iron plate, wood, building walls and then glued, and then bonded, decorative finishing materials for home appliances exterior, building interior and exterior and furniture It is possible to apply.

Hereinafter, with reference to the accompanying drawings, the configuration of a colorless glossy black plastic film for lamination according to a preferred embodiment of the present invention.

1 to 4 are schematic configuration diagrams showing a cross section of a colorless, glossy black plastic film 1 for lamination according to a preferred embodiment of the present invention. Referring to FIG. 1, a transparent plastic film layer 10, a printing layer 12, and a black film 13 are sequentially formed from a photocurable resin layer 11 as a surface layer.

2 is a laminated structure in which a transparent plastic film layer 10, a printing layer 12, an adhesive layer 14, and a black film 13 are sequentially formed from the photocurable resin layer 11.

Referring to FIG. 3, a print layer 15, a transparent plastic film layer 10, a print layer 12, and a black film 13 are sequentially formed from a photocurable resin layer 11 as a surface layer, and FIG. 4. Is a laminated structure in which a printing layer 15, a transparent plastic film layer 10, a printing layer 12, an adhesive layer 14, and a black film 13 are sequentially formed from a photocurable resin layer 11 as a surface layer.

The lamination plastic film 1 of the present invention is laminated on the back surface of the black film 13 is bonded to the adhered material.

Lamination plastic film according to the present invention can provide a glossy black plastic film having a good texture (black) texture by forming a variety of printed layers on one or both sides of the transparent plastic film in addition to the non-iridescence appearance. It works.

In addition, the present invention can satisfy the basic physical properties of the product, such as processing properties (Bending properties), surface hardness (Hardness), there is an effect that can simplify the processing process through a generalized processing method.

Claims (13)

A non-iridescence glossy black plastic film for lamination, characterized in that a photocurable resin layer is formed on a surface thereof, and a printing layer and a black film layer are formed on a surface of the transparent plastic film. The method of claim 1, wherein the transparent plastic film is polyethylene terephthalate (PET), polyester (Polyester), polyethylene (PE) or polypropylene (PP) film characterized in that the colorless for lamination (non- iridescence) Glossy black plastic film. The non-iridescence glossy black plastic film for lamination according to claim 1, wherein the transparent plastic film has a haze of 1% to 10%.  The non-iridescence glossy black plastic film for lamination according to claim 1, wherein the transparent plastic film has a thickness of 12 microns (μm) to 50 microns (μm). The method of claim 1, wherein the photo-curable resin layer is coated by a glaver coating method using a 150 to 250 mesh roll (non-coloring) for lamination, characterized in that -iridescence) Glossy black plastic film. The photocurable resin layer according to claim 1, wherein the photocurable resin layer is isobornyl as an oligomer and a monomer of urethane acrylate, epoxy acrylate or polyester acrylate. Non-iridescence gloss for lamination, characterized in that formed of an ultraviolet curable resin composition comprising at least one selected from acrylate (Isobornyl acrylate) and vinyl pyrrolidinone, photoinitiator (Initiator) Black plastic film. The non-iridescence glossy black for lamination according to claim 6, wherein the ultraviolet curable resin composition has a content (based on solids) of 50% by weight (%) to 80% by weight (%) of the oligomer. Plastic film. The non-iridescence glossy black plastic film for lamination according to any one of claims 1 to 7, wherein an adhesive layer is formed between the print layer and the black film layer. The non-iridescence glossy black plastic film for lamination according to any one of claims 1 to 7, wherein a printing layer is further formed between the transparent plastic film and the photocurable resin layer. The non-iridescence glossy black plastic film for lamination according to claim 8, wherein a printing layer is further formed between the transparent plastic film and the photocurable resin layer. Preparing a transparent plastic film and a photocurable resin composition; Coating and curing the photocurable resin composition on one side of the transparent plastic film using 150 to 250 mesh rolls to form a photocurable resin layer; Forming a printing layer on a rear surface of the photocurable resin layer; Claims 1 to 10, characterized in that it comprises a black film plywood step of plywood the separately prepared black film on the printing layer, characterized in that the non-iridescence glossy black plastic film for lamination according to any one of claims 1 to 10 How to manufacture. The method of claim 11, wherein before the black film plywood step comprising the step of forming an adhesive layer on the printing layer or the black film of claim 1 to claim 10, characterized in that no color change for lamination (1) non-iridescence) A process for producing a glossy black plastic film. The method of claim 11, further comprising forming a printing layer on a surface side of the transparent plastic film before the forming of the photocurable resin layer. A method of producing the non-iridescence glossy black plastic film for lamination described.

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