TW201823023A - Transferring film, method for manufacturing same and shell member with transferring film - Google Patents

Abstract

The present disclosure relates to a transferring film for decorating a shell member including a base layer, a color layer formed on the base layer, and a adhesive layer formed on the color layer away from the base layer. The base layer is cured from an UV curing resin mixture. The UV curing resin mixture at least includes polyurethane acrylic resin and polyester acrylic resin. A method for manufacturing the transferring film and a shell member including the transferring film is also provided.

Description

Transfer film layer, manufacturing method thereof and appearance part

The invention relates to a transfer film layer, a manufacturing method thereof and an appearance member.

The film layer on the surface of the back cover of the mobile phone can be formed by molding or spraying, but such a method is disadvantageous for forming a fine texture on the surface of the film layer.

In view of the above, it is necessary to provide a transfer film layer, a manufacturing method thereof, and an appearance member on which a fine texture can be formed.

A transfer film layer for decorating an appearance member, comprising: a base layer formed by curing a UV light curing resin mixture, the UV light curing resin mixture comprising at least a polyurethane acrylic resin and a polyester acrylic a resin layer; a color ink layer formed on the base layer for providing color; and a glue layer formed on a side of the color ink layer away from the base layer for bonding the appearance member.

A method for fabricating a transfer film layer, comprising: providing a film carrier, the film carrier comprising a release surface; thereafter, providing an ultraviolet light curing resin mixture, forming the ultraviolet light curing resin mixture Forming a base layer on the release surface of the film carrier, wherein the ultraviolet light curing resin mixture comprises at least: a polyurethane acrylic resin and a polyester acrylic resin; Thereafter, a color ink layer is formed on the surface of the base layer away from the film carrier; after that, a surface of the color ink layer is coated with an adhesive; afterwards, the base layer, the ink layer and the adhesive are combined The film carrier is coated on the surface of the substrate of an appearance member to adhere the adhesive to the surface of the substrate of the appearance member; thereafter, the adhesive is cured to form a glue layer; and the film is removed board.

An appearance member comprising a substrate and a transfer film layer as described above formed on a surface of the substrate, wherein the adhesive layer is directly formed on the surface of the substrate.

Compared with the prior art, the transfer film layer provided by the technical solution, the manufacturing method thereof and the transfer film layer of the appearance member are formed by a vacuum heating transfer method, thereby forming fine patterns on the surface, and surface hardness and scratch resistance. Good solvent resistance and the like.

The invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1, the present invention provides a transfer film layer 100 which can be formed on a surface of an appearance member such as a mobile phone case, a package, or the like for decorating the appearance member.

The transfer film layer 100 includes a base layer 11, a color ink layer 12, and a glue layer 13.

The base layer 11 is formed by curing an ultraviolet light curing resin mixture, and the ultraviolet light curing resin mixture includes at least: a polyurethane acrylic resin and a polyester acrylic resin.

Wherein, preferably, the polyurethane acrylic resin has a mass percentage in the ultraviolet photocurable resin mixture of from about 20% to about 30%; the polyester acrylic resin is in the ultraviolet light The mass percentage of the cured resin mixture is from about 20% to about 30%.

The ultraviolet light curing resin mixture may further include a hardener, an auxiliary agent, a solvent, and the like.

Preferably, the base layer 11 has a thickness ranging from 15 micrometers to 18 micrometers (um).

Preferably, the base layer 11 is transparent or translucent.

The base layer 11 includes an opposite first surface 111 and a second surface 112. Preferably, the first surface 111 is formed with a fine texture such as a leather texture, a texture texture, a wood texture, a stone texture, Dark patterns, etc.

The ink layer 12 is adhered to the second surface 112 of the base layer 11, and the color ink layer 12 is formed by curing an acrylic resin mixture, and the acrylic resin mixture includes at least: a colorant and a pressure The hydroxy resin, the acrylic resin comprising at least one or two of a urethane acryl resin and a polyester acryl resin.

The coloring material is uniformly mixed in the acrylic resin, and the coloring material may be a coloring material of various colors for obtaining a transfer film layer 100 of various predetermined colors, for example, the toner may be a primary color Powder, metallic toner, fluorescent toner, etc.

The acrylic resin mixture may also include a hardener, an auxiliary agent, a solvent, and the like.

Preferably, the mass percentage of the acrylic resin in the acrylic resin mixture is about 60%; the mass percentage of the colorant in the acrylic resin mixture is about 5 10%.

Preferably, the color ink layer 12 has a thickness ranging from 7 um to 9 um.

The glue layer 13 is adhered to a surface of the color ink layer 12 away from the base layer 11. The glue layer 13 is formed by curing with an adhesive.

The adhesive may be an acrylic resin adhesive, a thermosetting adhesive, or the like.

Preferably, the binder comprises at least one or more of an ethylene-vinyl acetate copolymer, an acrylic resin, and a monomethyl ether propylene glycol acetate.

Preferably, the thickness of the glue layer 13 ranges from 9 um to 12 um.

The present invention also provides a method of fabricating the above-described transfer film layer 100, comprising the steps of:

S1, referring to FIG. 2, a film carrier 30 is provided, the film carrier 30 including a release surface 31.

Preferably, the film carrier 30 is made of a polyolefin (PO) material. In this embodiment, a fine texture is also formed on the release surface 31 by means of heat pressing or UV grain pressing.

S2, referring to FIG. 3, an ultraviolet light curing resin mixture is provided, and the ultraviolet light curing resin mixture is formed on the release surface 31 of the film carrier 30, and the ultraviolet light curing is performed by ultraviolet light curing. The resin mixture forms a base layer 11 on the film carrier 30. The base layer 11 includes opposing first and second surfaces 111 and 112, the first surface 111 directly contacting the release surface 31.

Wherein, the ultraviolet light curing resin mixture comprises at least: a polyurethane acrylic resin and a polyester acrylic resin.

Wherein, preferably, the polyurethane acrylic resin has a mass percentage in the ultraviolet photocurable resin mixture of from about 20% to about 30%; the polyester acrylic resin is in the ultraviolet light The mass percentage of the cured resin mixture is from about 20% to about 30%.

The ultraviolet light curing resin mixture may further include a hardener, an auxiliary agent, a solvent, and the like.

Preferably, the base layer 11 has a thickness ranging from 15 um to 18 um.

Preferably, the base layer 11 is transparent or translucent.

S3, referring to FIG. 4, coating the acryl resin mixture on the second surface 112 of the base layer 11 to form a color ink on the surface of the base layer 11 by thermally curing the acryl resin mixture. Layer 12.

The acrylic resin mixture includes at least: a colorant and an acryl resin, and the acryl resin includes at least one or two of a urethane acryl resin and a polyester acryl resin.

The coloring material is uniformly mixed in the acrylic resin, and the coloring material may be a coloring material of various colors for obtaining a transfer film layer 100 of various predetermined colors, for example, the toner may be a primary color Powder, metallic toner, fluorescent toner, etc.

The acrylic resin mixture may also include a hardener, an auxiliary agent, a solvent, and the like.

Wherein, preferably, the mass percentage of the acrylic resin in the acrylic resin mixture is about 60%; the mass percentage of the colorant in the acrylic resin mixture is about 5-10%.

Preferably, the color ink layer 12 has a thickness ranging from 7 um to 9 um.

S4, referring to FIG. 5, an adhesive 130 is applied on the surface of the color ink layer 12 away from the base layer 11, and the adhesive 130 is used to form the adhesive layer 13 in a subsequent step.

Preferably, the adhesive 130 comprises at least one or more of an ethylene-vinyl acetate copolymer, an acrylic resin, and a monomethyl ether propylene glycol acetate.

S5, referring to FIG. 6, the base layer 11, the ink layer 12, and the adhesive 130 together with the film carrier 30 are coated on the surface of the substrate 51 of an appearance member by vacuum thermal transfer. The adhesive 130 is adhered to the surface of the substrate 51, and then the adhesive 130 is cured to form the adhesive layer 13.

S6, referring to FIG. 7, the film carrier 30 is removed.

In this embodiment, since the fine texture is formed on the release surface 31, after the film carrier 30 is removed, the base layer 11 is away from the surface of the substrate 51, that is, the first surface 111. A fine texture corresponding to the fine texture on the release surface 31 is formed by transfer.

In other embodiments, the film layer 30 may be removed and the glue layer 13 may be cured.

In other embodiments, after removing the film carrier 30, the method further includes the steps of:

S7, referring to FIG. 8, a groove 101 is formed at a predetermined position of the transfer film layer 100, and the groove 101 is from the first surface 111 of the base layer 11 to the inside of the transfer film layer 100. Vertically extending; thereafter, a nameplate 102 is attached to the recess 101 to form a transfer film layer 100 with a nameplate.

Referring to FIG. 9, the present invention provides a form factor 50 comprising a substrate 51 and a transfer film layer 100 formed on the surface of the substrate 51. The transfer film layer 100 includes a base layer 11, a color ink layer 12, and a glue layer 13.

The glue layer 13 is adhered to the surface of the substrate 51 of the appearance member 50. The glue layer 13 is formed by curing with an adhesive.

The adhesive may be an acrylic resin adhesive, a thermosetting adhesive, or the like.

Preferably, the binder comprises at least one or more of an ethylene-vinyl acetate copolymer, an acrylic resin, and a monomethyl ether propylene glycol acetate.

Preferably, the thickness of the glue layer 13 ranges from 9 um to 12 um.

The ink layer 12 is formed on a surface of the glue layer 13 away from the substrate 51. The color ink layer 12 is formed by curing an acrylic resin mixture, and the acrylic resin mixture includes at least: a colorant and a press The resin, the acrylic resin comprising at least one or two of a urethane acryl resin and a polyester acryl resin.

The coloring material is uniformly mixed in the acrylic resin mixture, and the coloring material may be a coloring material of various colors for obtaining a transfer film layer 100 of various predetermined colors, for example, the toner may be a primary color. Toner, metallic toner, fluorescent toner, etc.

The acrylic resin mixture may also include a hardener, an auxiliary agent, a solvent, and the like.

Wherein, preferably, the mass percentage of the acrylic resin in the acrylic resin mixture is about 60%; the mass percentage of the colorant in the acrylic resin mixture is about 5-10%.

Preferably, the color ink layer 12 has a thickness ranging from 7 um to 9 um.

The base layer 11 is formed on a surface of the color ink layer 12 away from the substrate 51. The base layer 11 includes an opposite first surface 111 and a second surface 112, wherein the second surface 112 is The ink layer 12 is attached. The base layer 11 is formed by curing an ultraviolet light curing resin mixture, and the ultraviolet light curing resin mixture includes at least: a polyurethane acrylic resin and a polyester acrylic resin.

Wherein, preferably, the polyurethane acrylic resin has a mass percentage in the ultraviolet photocurable resin mixture of from about 20% to about 30%; the polyester acrylic resin is in the ultraviolet light The mass percentage of the cured resin mixture is from about 20% to about 30%.

The ultraviolet light curing resin mixture may further include a hardener, an auxiliary agent, a solvent, and the like.

Preferably, the base layer 11 has a thickness ranging from 15 um to 18 um.

Preferably, the base layer 11 is transparent or translucent.

Preferably, the first surface 111 is formed with a fine texture such as a faux leather texture, a faux cloth texture, a wood-like texture, a stone-like texture, a dark pattern, or the like.

Example 1

A film carrier is provided, the film carrier comprising a release surface on which the texture is textured.

Thereafter, an ultraviolet light curing resin mixture is provided, the ultraviolet light curing resin mixture is applied onto the release surface of the film carrier, and the ultraviolet light curing resin mixture is cured by ultraviolet light, thereby A base layer is formed on the film carrier. The base layer includes opposing first and second surfaces, the first surface directly contacting the release surface. Wherein the ultraviolet light curing resin mixture comprises: a polyurethane acrylic resin and a polyester acrylic resin, the polyurethane resin having a mass percentage of 25% in the ultraviolet light curing resin mixture The polyester acryl resin has a mass percentage of 25% in the ultraviolet light curing resin mixture. The base layer is transparent, and the base layer has a thickness of about 16 um.

Thereafter, an acrylic resin mixture is coated on the second surface of the base layer, and the acrylic resin mixture is thermally cured to form a color ink layer on the surface of the base layer. The acrylic resin mixture includes: a colorant and a urethane acrylic resin. Wherein, the mass percentage of the acrylic resin in the acrylic resin mixture is about 60%; and the mass percentage of the colorant in the acrylic resin mixture is about 8%. The colorant is uniformly mixed in the polyurethane acrylic resin. The color ink layer has a thickness in the range of 8 um.

Thereafter, an adhesive is applied to the surface of the color ink layer away from the base layer, the adhesive comprising an ethylene-vinyl acetate copolymer.

Thereafter, the base layer, the ink layer and the glue layer are coated on the surface of the substrate of an appearance member by vacuum thermal transfer, and the glue layer is adhered to the surface of the substrate. And curing the adhesive layer and removing the film carrier to form a transfer film layer on the surface of the substrate. Wherein the fine texture is formed by transfer on the first surface of the base layer.

Example 2

A transfer film layer was obtained by the method of Example 1, and the surface of the transfer film layer was textured.

The performance test result of the transfer film layer is shown in Table 1. As can be seen from Table 1, the transfer film layer has good adhesion and good hardness, and is resistant to abrasion, ultraviolet rays and abrasion. Solvent and chemical resistance are also good.

Table 1

The transfer film layer provided by the embodiment of the invention, the manufacturing method thereof and the transfer film layer of the appearance part are formed by a vacuum heating transfer method, thereby forming a fine pattern on the surface, and the surface hardness, scratch resistance, solvent resistance, etc. All are good.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

100‧‧‧Transfer film layer
11‧‧‧Basic layer
12‧‧‧Color ink layer
13‧‧‧ glue layer
111‧‧‧ first surface
112‧‧‧ second surface
30‧‧‧film carrier
31‧‧‧ release surface
101‧‧‧ Groove
102‧‧‧Nameplate
50‧‧‧ appearance parts
51‧‧‧Base

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view showing a transfer film layer provided in a first embodiment of the present invention.

2 is a cross-sectional view of a film carrier provided in a method of fabricating a transfer film layer according to another embodiment of the present invention.

3 is a cross-sectional view showing the formation of a base layer on the film carrier of FIG. 2 provided in a method of fabricating a transfer film layer according to another embodiment of the present invention.

4 is a cross-sectional view showing the formation of a color ink layer on the base layer of FIG. 3 provided in a method of fabricating a transfer film layer according to another embodiment of the present invention.

Figure 5 is a cross-sectional view showing the formation of a binder on the ink layer of Figure 4 provided in a method of fabricating a transfer film layer according to another embodiment of the present invention.

6 is a cross-sectional view showing the transfer film layer of FIG. 5 formed on a surface of an appearance member provided in a method for fabricating a transfer film layer according to another embodiment of the present invention.

Figure 7 is a cross-sectional view showing the film carrier of Figure 6 removed in a method of fabricating a transfer film layer according to another embodiment of the present invention.

8 is a cross-sectional view showing a groove and a nameplate formed on the surface of the transfer film layer of FIG. 7 provided in the method for producing a transfer film layer according to still another embodiment of the present invention.

Figure 9 is a cross-sectional view of an appearance member according to still another embodiment of the present invention.

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Claims (20)

A transfer film layer for decorating an appearance member, comprising: a base layer formed by curing an ultraviolet light curing resin mixture, the ultraviolet light curing resin mixture comprising at least a polyurethane acrylic resin and a polyester press a resin layer; a color ink layer formed on the base layer for providing color; and a glue layer formed on a side of the color ink layer away from the base layer for bonding the appearance member. The transfer film layer of claim 1, wherein the polyurethane acrylic resin has a mass percentage of 20% to 30% in the ultraviolet light curing resin mixture. The transfer film layer of claim 2, wherein the polyester acrylic resin has a mass percentage of 20% to 30% in the ultraviolet light curing resin mixture. The transfer film layer of claim 1, wherein the base layer is transparent or translucent. The transfer film layer of claim 1, wherein the base layer comprises an opposite first surface and a second surface, and the second surface is bonded to the ink layer, the first A fine texture is formed on the surface. The transfer film layer of claim 1, wherein the color ink layer is formed by curing an acrylic resin mixture, the acrylic resin mixture comprising at least a colorant and an acrylic resin. The transfer film layer of claim 6, wherein the colorant is 5-10% by mass in the acrylic resin mixture. The transfer film layer according to claim 6, wherein the acrylic resin mixture is one or both of a urethane acryl resin and a polyester acryl resin. The transfer film layer according to claim 1, wherein the adhesive layer is formed by curing a binder comprising at least an ethylene-vinyl acetate copolymer, an acrylic resin, and a monomethyl group. One or more of ether propylene glycol acetate. A method for fabricating a transfer film layer, comprising: providing a film carrier, the film carrier comprising a release surface; thereafter, providing an ultraviolet light curing resin mixture, forming the ultraviolet light curing resin mixture Forming a base layer on the release surface of the film carrier, wherein the ultraviolet light curing resin mixture comprises at least: a polyurethane acrylic resin and a polyester acrylic resin; Thereafter, a color ink layer is formed on the surface of the base layer away from the film carrier; after that, an adhesive is applied on the surface of the color ink layer; then, the base layer, the ink layer and the adhesive are combined The film carrier is coated on the surface of the substrate of an appearance member to adhere the adhesive to the surface of the substrate of the appearance member; thereafter, the adhesive is cured to form a glue layer; and the film is removed board. The method for producing a transfer film layer according to claim 10, wherein, after the film carrier is removed, the method further comprises the steps of: cutting a groove at a predetermined position of the transfer film layer, A groove extends vertically from the base layer toward the inside of the transfer film layer; thereafter, a nameplate is attached to the groove. The method for producing a transfer film layer according to claim 10, wherein the polyurethane acrylic resin has a mass percentage of 20% to 30% in the ultraviolet light curing resin mixture. The method for producing a transfer film layer according to claim 12, wherein the polyester acryl resin has a mass percentage of 20% to 30% in the ultraviolet light curing resin mixture. The method for producing a transfer film layer according to claim 10, wherein the base layer is transparent or translucent. The method for producing a transfer film layer according to claim 10, wherein a fine texture is formed on a release surface of the film carrier; the base layer includes opposite first and second surfaces, A fine texture corresponding to the fine texture on the release surface is formed on the first surface. The method for producing a transfer film layer according to claim 10, wherein the color ink layer is formed by curing an acrylic resin mixture, the acrylic resin mixture comprising at least a colorant and an acrylic resin. The method for producing a transfer film layer according to claim 16, wherein the acrylic resin has a mass percentage of 60% in the acrylic resin mixture; The mass percentage of the acryl resin mixture is 5-10%. The method for producing a transfer film layer according to claim 16, wherein the ultraviolet light curable resin is one or both of a urethane acryl resin and a polyester acryl resin. The method for producing a transfer film layer according to claim 10, wherein the adhesive layer is formed by curing with an adhesive, the adhesive comprising at least an ethylene-vinyl acetate copolymer, an acrylic resin, One or more of monomethyl ether propylene glycol acetate. An appearance member comprising a substrate and a transfer film layer according to any one of claims 1 to 9 above, wherein the adhesive layer is directly formed on the surface of the substrate.