CN101422978A

CN101422978A - In-mold film with 2D or 3D pattern

Info

Publication number: CN101422978A
Application number: CNA200710168045XA
Authority: CN
Inventors: 许西岳
Original assignee: UNI TECHNOLOGY Co Ltd
Current assignee: UNI TECHNOLOGY Co Ltd
Priority date: 2007-11-02
Filing date: 2007-11-02
Publication date: 2009-05-06

Abstract

An intramode film with 2D or 3D patterns comprises a substrate layer, a pattern layer, a protection layer and a bond layer, wherein, the pattern layer is a 2D pattern which appears like a mirror image and is printed on the inner surface of the substrate layer in advance, or is a 3D pattern printed on the substrate layer made from grating material, subsequently, a protection layer with the properties like high temperature and acid and alkaline resistance is printed on the 2D or 3D pattern layer, then the bond layer is coated on the protection layer, or according to requirements, a layer of materials resisting EMI is beforehand coated between the protection layer and the bond layer to avail the function of shielding electromagnetic wave. The intramode film is specially and directly compounded with a product component layer by matching with injection molding to lead the product component to have various integrally formed and selected patterns such as 2D or 3D patterns, and the like.

Description

In-mold film with 2D or 3D pattern

Technical field

The invention provides the in-mold film of a kind of 2D of having or 3D pattern, it is to print protective layer on the patterned layer of 2D or 3D, with selected product members layer one bluk recombination, makes components layer have integrated 2D or 3D pattern to cooperate ejaculation or extrusion molding.The invention belongs to the in-mold film technology.

Background technology

For known in-mold film injection mo(u)lding (IMF) or in-mold label technology such as (IML), the former common shell that is applied to as every products such as notebook computer, palmtop computer, wireless telecommunications, consumer electronics, communication telecommunication system, internet household electrical appliances, automobile mechanism spare and household electrical appliances; The manufacturing of in-mold label also has been popular for related industry, goods also are widely used in mobile phone, button, IT product, food containers etc., the utilization of above-mentioned technology, all develop towards the sophistication of moulding and the sharpening direction of color, and present the various trend such as unique identification that highlight of giving, particularly, outer (interior) portion components layer as fruit product can form integrated the combination with various selected patterns such as 2D or 3D, really dark tool development potentiality in the industry in modern times is used then, and have its necessity.

For present already used product members, no matter owing to be employed original screen panel material of 2D or 3D pattern itself or pattern printing ink, all can't bear the hot environment in IMF or the IML manufacture process, therefore meeting generation original screen panel material or printing ink heat are melted distortion in manufacture process, can't keep pattern former state state at all, so that pattern gelatinization, so all be to adopt to fit or embedded mode usually, make the monomer sheet of 2D or 3D pattern combine with product members, but still can't accomplish 2D or 3D pattern and the real bluk recombination of product members, and whole product are neither good with quality, can't satisfy volume production and demand of fine quality.

Summary of the invention

For solving the problems of the technologies described above, main purpose of the present invention provides the in-mold film of a kind of 2D of having or 3D pattern, by structure and material design to this film, this film can be by ejection formation and directly compound with the product members layer, make the product members layer have the 2D or 3D (2D/3D) pattern of high quality, and can have an identity effect that highlights.

The invention provides the in-mold film of a kind of 2D of having or 3D pattern, it comprises substrate layer, patterned layer, protective layer and following layer, wherein,

Substrate layer adopts resin material to make, and it is vision panels face or original screen panel face;

Patterned layer adopts resin material to make, and establishes the 2D that is mirror image or the patterned layer of 3D pattern formation for print on the inner surface of substrate layer by printing equipment;

Protective layer is printed on the above-mentioned patterned layer, adopts resin material to make;

Following layer is coated on the protective layer, selects for use resin material to make.

According to specific embodiments of the present invention; substrate layer is with the resin material manufacturing; the inner surface of substrate layer seal is provided with the 2D pattern that is mirror image or 3D pattern (when selecting grating material for use; seal is established the 3D pattern); form patterned layer; and on the patterned layer of this 2D or 3D, republish especially and form a protective layer with characteristics such as high temperature resistant and antiacid alkali, coating forms following layer on the protective layer, constitutes an in-mold film with protective layer and 2D/3D pattern thus.

Preferably, substrate layer can be to adopt PETG (PolyethyleneTerephthalate, PET), polyimides (Polyimide, PI), polypropylene (Polypropylene, PP), polystyrene (Polystyrene, PS), polyurethane (Polyurethane, PU), polymethyl methacrylate (Polymethyl Methacrylate, PMMA), Merlon (Polycarbonate, PC), polybutylene terephthalate (Polybutylene Terephthalate, PBT), ABS resin (Acrylonitrile Butadiene Styrene, the composite of one or more ABS) and in the nylon (Nylon) etc. is made; Patterned layer can be to adopt one or more the composite in PET, PI, PP, PU, PMMA, PC, PBT, Nylon and the silicones (Silicone) etc. to make.And patterned layer can be to adopt the patterned layer of the storehouse moulding of one or more layers time that the single or multiple lift mode of printing makes.Protective layer can select for use one or more the combination in the resin materials such as PET, PI, PP, PU, PMMA, PC, PBT, Nylon and Silicone to make; make protective layer have high temperature resistant and characteristic such as antiacid alkali; but and the mechanical performance of enhancing substance, physical strength and produce good adherence, and can strengthen the stereopsis effect of 3D patterned layer.Following layer can be to adopt one or more the combination among PET, PI, PP, PS, PU, PMMA, PC, PBT, ABS and the Nylon etc. to make.

In in-mold film provided by the present invention; gross weight in film; the substrate layer proportion is about 50%-80%; the patterned layer proportion is that about 3%-10%, protective layer proportion are about 5%-10%; the following layer proportion is about 3%-10%, and the ratio sum of each component layers satisfies 100%.

According to the specific embodiment of the present invention; the in-mold film of the described 2D/3D of having pattern can be coated with the anti-EMI of one deck (anti-electromagnetic wave) material layers between described protective layer and following layer; make in-mold film have the electromagnetic effect of shielding, make the product members of a bluk recombination also have the function of anti-EMI.But the material of anti-EMI layer can be the metal or alloy material of anti-electromagnetic wave, selects one or more the composite among Mg, Al, Cu, Ni and the Cr for use.In in-mold film provided by the present invention, in the gross weight of film, anti-EMI layer proportion is about 9%-20%.

In-mold film provided by the present invention can be directly compound with selected product members layer for cooperating ejaculation or extrusion molding, make the product members layer have high quality and various selected patterns such as integrated 2D or 3D, with sophistication and the sharpening that satisfies product members, and the identity effect that highlights of tool.

Description of drawings

Fig. 1 can establish the composition schematic diagram of 2D pattern for seal for the present invention.

Fig. 2 can establish the composition schematic diagram of 3D pattern for seal for the present invention.

Fig. 3 is the schematic diagram of one composite molding for the present invention and product members.

Fig. 4 increases the composition schematic diagram of the anti-EMI material of coating again for the present invention.

The specific embodiment

Following conjunction with figs. describes feature of the present invention and advantage in detail.

As Fig. 1 or shown in Figure 2, the in-mold film with 2D/3D pattern provided by the present invention, it comprises substrate layer 1, patterned layer 2, protective layer 3 and following layer 4, wherein:

Substrate layer 1, adopt as one or more the composite in the resin materials such as PET, PI, PP, PS, PU, PMMA, PC, PBT, ABS or Nylon made, this substrate layer 1 can be a vision panels face (as Fig. 1) or an original screen panel face (as Fig. 2), adopt the vision panels face to be suitable for printing the 2D pattern of establishing mirror image, the 3D pattern that adopts the original screen panel face then to be suitable for printing to establish mirror image (the following illustration of respectively implementing, all with the example of original screen panel face as illustrating).

Patterned layer 2, adopt one or more the composite in the resin materials such as PET, PI, PP, PU, PMMA, PC, PBT, Nylon and Silicone for example made, for seal on the vision panels face inner surface of substrate layer 1 is established the 2D pattern that is mirror image, or establish the 3D pattern that is mirror image in the original screen panel face inner surface of substrate layer 1 seal, the seal of above-mentioned 2D or 3D pattern is established all and can be finished by various conventional typographies and equipment, for example utilizes typographies such as recessed/letterpress, wire mark or bat printing and equipment to print; Owing to be to be the mirror image printing,, promptly can show normal positive pattern so observe by the outer surface (original screen panel face or vision panels face) of substrate layer 1;

Protective layer 3, printing is located on the above-mentioned patterned layer 2, it adopts one or more the composite in the resin materials such as PET, PI, PP, PU, PMMA, PC, PBT, Nylon and Silicone for example made, this protective layer has high temperature resistant and characteristic such as antiacid alkali, but and the mechanical performance of enhancing substance, physical strength and produce good adherence, and can strengthen the image effect of 2D or 3D patterned layer 2;

Following layer 4 is coated with and is laid on the protective layer 3, and the optional usefulness for example composite of one or more in the resin materials such as PET, PI, PP, PS, PU, PMMA, PC, PBT, ABS or Nylon is made.

Utilize the in-mold film of above-mentioned formation, can be for cooperating ejection formation and selected product members layer 5 directly compound (as shown in Figure 3), make product members layer 5 have various selected patterned layer 2 such as integrated 2D or 3D.

As previously mentioned, above-mentioned substrate layer 1, remove and to be embodied as the vision panels face that a seal is established the 2D pattern, also can be embodied as a seal and establish the original screen panel face of 3D pattern, the one side of the original screen panel face of this 3D is squeezed into most cylindrical lines, and inner surface is complete plane, and implement the pattern printing in the what is called " grating face " that the cylindrical wires stripe pitch equates, use grating vision composite diagram file directly to be printed on this original screen panel, can present the change figure effect that vision moves, or other 3D animation effect.

As above-mentioned patterned layer 2 of the present invention, can adopt the single or multiple lift mode of printing to make, make patterned layer 2 can be the storehouse moulding of one or more layers time.

As shown in Figure 4; in-mold film of the present invention; can further between described protective layer 3 and following layer 4, be coated with the anti-EMI material 6 of one deck in advance; this anti-EMI material 6 can be selected for use as anti-electromagnetic wave material metal or alloy materials such as Mg, Al, Cu, Ni or Cr; make in-mold film have the electromagnetic characteristic of shielding, therefore when one is compound in the member of each selected product, have the function of anti-EMI.

During the invention process; this substrate layer 1 is suitable with 50%-80% in the shared part by weight of integral body; patterned layer 2 proportions are suitable with 3%-10%; protective layer 3 proportions are suitable with 5%-10%; and following layer 4 proportions are suitable with 3%-10%; as adding anti-EMI material 6 again, then anti-EMI material 6 proportions are suitable with 9%-20%.

The foregoing description is taken off, only for major technique of the present invention exemplify explanation, it is not in order to limiting this case technical scope, relates to equivalent application such as or based on preceding paragraph technological means do simple and easy change or displacement, all should be considered as belonging to this case technical scope.

Claims

1, a kind of in-mold film with 2D or 3D pattern, it is characterized in that: this in-mold film comprises substrate layer, patterned layer, protective layer and following layer, wherein:

2, the in-mold film that has 2D or 3D pattern according to claim 1, wherein, described substrate layer is to adopt one or more the composite in PETG, polyimides, polypropylene, polystyrene, polyurethane, polymethyl methacrylate, Merlon, polybutylene terephthalate, ABS resin and the nylon to make.

3, the in-mold film that has 2D or 3D pattern according to claim 1, wherein, described patterned layer is to adopt one or more the composite in PETG, polyimides, polypropylene, polyurethane, polymethyl methacrylate, Merlon, polybutylene terephthalate, nylon and the silicones to make.

4, the in-mold film that has 2D or 3D pattern according to claim 1; wherein, described protective layer is to adopt one or more the composite in PETG, polyimides, polypropylene, polyurethane, polymethyl methacrylate, Merlon, polybutylene terephthalate, nylon and the silicones to make.

5, the in-mold film that has 2D or 3D pattern according to claim 1, wherein, described following layer is to adopt one or more the composite in PETG, polyimides, polypropylene, polystyrene, polyurethane, polymethyl methacrylate, Merlon, polybutylene terephthalate, ABS resin and the nylon to make.

6, the in-mold film that has 2D or 3D pattern according to claim 1, wherein, described patterned layer is to adopt the patterned layer of the storehouse moulding of one or more layers time that the single or multiple lift mode of printing makes.

7, the in-mold film that has 2D or 3D pattern according to claim 1 wherein, is coated with the anti-EMI layer of one deck between described protective layer and the following layer.

8, as having the in-mold film of 2D or 3D pattern as described in the claim 7, wherein, but the material of described anti-EMI layer is the metal or alloy material of anti-electromagnetic wave, selects one or more the composite among Mg, Al, Cu, Ni and the Cr for use.

9, the in-mold film that has 2D or 3D pattern according to claim 1; wherein; gross weight in film; described substrate layer proportion is 50%-80%; the patterned layer proportion is that 3%-10%, protective layer proportion are 5%-10%; the following layer proportion is 3%-10%, and the ratio sum of each component satisfies 100%.

10, as having the in-mold film of 2D or 3D pattern as described in the claim 7, wherein, in the gross weight of film, described anti-EMI layer proportion is 9%-20%.