TWI275680B - Artificial leather having laser pattern making layer and method for producing the same - Google Patents

Abstract

This invention relates to an artificial leather having laser pattern making layer and method for producing the same. The artificial leather includes a substrate. The substrate is formed thereon with at least two resin layers each having a surface resin layer of different colors. By emitting high-energy excited emitting light beams to the surface resin layer for patterned scanning engraving, the different characteristics of the upper and lower layers of different colors allow the surface of the artificial leather to display patterns with multi-colored, 3D effects.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of making the same, and more particularly to a suitable shape for visualizing a surface. [Prior Art] Typically, artificial leather for manufacturing gloves The uranium is formed by mixing the general fiber fibers to form a non-woven fabric, refilling to form a base fabric, and then coating the polyurethane surface with the elastic and leather lines on the surface of the base fabric with a release paper, and patterning the paper with a color pattern. The printed pattern of the printing wheel converts the paint to the printing wheel and can only print a single stereo effect at a time, especially in the case of water washing. The application of the laser beam is very wide, and the energy of the radiation beam can be utilized to distinguish the radiation beam without being washed by water. Therefore, how to create a layered color through high-energy excitation is provided. [The present invention aims to provide a laser. The artificial leather of the pattern forming layer and the artificial leather using the high energy excitation radiation beam scanning type and the manufacturing method thereof. , clothing, shoes, purses and the like, microfiber or general fibers and ultrafine polyurethane (PU) compositions are applied by grinding or embossing or resin bonding, and forming a table Work leather. The surface pattern of artificial leather is made by a technique in which the surface is engraved on the surface of the artificial leather. However, the color, and the pattern is difficult to have a multi-layer or sun exposure, which will gradually fade the pattern, including engraving on metal or non-metal, and has the advantage of being scored or brewed to make the pattern fade. The radiation beam makes the artificial leather surface visible, which is worthy of research and development. A person with a laser pattern layer

Page 5 1275680 V. INSTRUCTIONS (2) The method of manufacturing leather, which is a useful choice for people who emit light beams to make their surfaces color. The manufacturing method of the present invention comprises the following provision of a nonwoven fabric substrate having at least one layer formed on the upper surface of the substrate, and at least a resin layer on the surface of the liner resin layer, and further comprising a resin layer on the surface to be revealed Preferably, at least the upper and lower double-layered non-woven fabric substrates are made of a base cloth impregnation liquid formed by mixing general fibers and ultrafine fibers, and then the artificial leather obtained by wet processing such as drying of the impregnated elastomer resin The fine fiber impregnated elastomer resin is in the range of 0.1 mm to 3.0 mm. When the substrate is formed of a general fiber or a general fiber and an impregnated elastomer resin, the step of forming an elastomer resin layer on the surface may be performed on the upper surface of the substrate, or may be used. A layer of eucalyptus is formed on the substrate. In one embodiment, the substrate formed leather can utilize a high energy excitation stereoscopic pattern, or at least a public step upper surface, and the lining resin having the first color is formed into a pattern having a second color for patterning. , type. The micro or microfiber or the general fiber is solidified, washed with water and a substrate on an impregnated elastomer resin-soluble substrate. The thickness of the formed substrate is preferably that the base fabric formed by the mixing of the ultrafine fibers further comprises a method of applying the surface of the substrate to the release paper and then transferring the other suitable method to make the inner upper surface of the inner liner resin layer. Yes 1275680 V. Invention description (3) ----- - Toned polyurethane resin, or to 1 * buckle / product as the lining resin layer I " Any other suitable resin group has a second The surface of the color is shaken to 0 +. It is applied to the surface of the lining resin layer and coated on the release paper to be etched and smashed. ©Gentleman - 'Or any other suitable method can be used to make the surface of the enamel Inside the resin layer. f - In the embodiment, the urethane resin formed on the inner liner resin layer is formed, or any other suitable resin composition may be used as the surface resin layer such as i section & For example, a polystearate resin or a polyether resin. " Ideally, the lining resin layer and the surface resin layer are formed by bonding the adhesive layer to the substrate together, that is, coating two layers of different colors of resin on the release paper of a flat or multi-grain pattern. And coating an adhesive resin on the resin composition and bonding to the upper surface of the substrate, and finally peeling off the release paper, so that two layers of different colors are formed on the substrate. A planar or multi-grain resin layer. The step of patterning the surface of the surface resin layer is performed by scanning a high-energy excitation radiation beam on the surface resin layer. In one embodiment, the radiation beam is transmitted through high energy excitation. The masked hollow pattern removes part of the surface resin layer to the surface of the lining resin layer, or can be engraved inside the lining resin layer to exhibit a two-layer color and a hierarchical three-dimensional pattern. In another embodiment The surface resin layer is exposed by a high-energy excitation radiation beam through the hollow pattern of the mask to expose the lining resin layer to reveal a double-layer color pattern.

Page 7 1275680 V. INSTRUCTION DESCRIPTION (4) The manufacturing method of the present invention may further comprise the step of forming at least one intermediate resin layer having a third color between the inner liner resin layer and the surface resin layer, the intermediate resin layer Preferably, the formation is performed on the substrate together with the lining resin layer and the surface resin layer by the adhesive layer; that is, three or more resin compositions having different colors are coated on the release paper of a flat or multi-grain pattern, And applying an adhesive resin to the resin composition and bonding to the upper surface of the substrate, and finally peeling off the release paper, so that at least two layers having different colors are formed on the substrate. Or a multi-grain resin layer.

In an embodiment, the intermediate resin layer formed between the inner liner resin layer and the surface resin layer is a toned polyurethane resin, or any other suitable resin may be used as the intermediate resin layer. In the embodiment in which at least three layers of resin compositions having different colors are formed, a pattern can be formed by scanning the surface resin layer by controlling the energy of the high energy excitation radiation beam to remove a part of the surface resin layer and a portion. The intermediate resin layer exposes the intermediate resin layer and the lining resin layer to reveal a three-dimensional color pattern of the depth and the light. Another object of the present invention is to provide a surface-containing resin having a surface-containing resin on the upper surface of the artificial leather manufactured by the method of the present invention, thereby ensuring the artificial skin thereby ensuring

The "imaginary" laser pattern forming layer uses a high-energy excitation x, a beam to scan the surface resin layer, and the surface of the leather is made into a layered color stereoscopic pattern, and the product quality of the artificial leather is made. Embodiments of the present invention for manufacturing artificial leather will be described by way of example only.

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The invention is further illustrated by the following examples with reference to the accompanying drawings, and the first figure shows the substrate 1 of the inventor of the present invention, which is suitable for the substrate of the human crystal L + x 3 artificial leather. A cross-sectional view of a resin reed 3 disk main + - / 曰 layer 3 and a surface resin layer 4 is formed. Ratio drawing. "Because it is only for the purpose of illustration, it is not possible to process according to the coating before the resin layer 3 is lined. It is necessary to form on the upper surface of the substrate 1 before the substrate 1 is required. The upper surface is made of other solutions. In the case of the sturdy shell, the substrate 1 is an ultrafine fiber impregnated elastomer = solution and obtained by a clear treatment, a woven substrate, _ fine fiber non-woven substrate! The thickness of the substrate 1 is preferably in the range of about 1 to 3 Å. In other embodiments, the substrate 1 may be impregnated with an elastomer resin solution using a base fabric formed by mixing general fibers or general fibers with ultrafine fibers. a non-woven substrate obtained by a clear treatment. When a base fabric formed by mixing a general fiber or a general fiber with an ultrafine fiber is impregnated with an elastomer resin to form a substrate, as shown in the second figure, the stomach base may be further The upper surface of the material 1 is formed with an elastomer resin layer 7 which is applied to the upper surface of the substrate 1 after the substrate 1 is impregnated with the elastomer resin solution.

The above-mentioned lining resin layer 3 has a color different from that of the surface resin layer 4, and both of them preferably have mutually different colors matching each other. Further, the lining resin layer 3 is preferably applied to the release paper and then transferred to the substrate 1, or the lining resin layer may be formed on the substrate by any other suitable method.

Page 9 1275680 V. Description of invention (6) Color layer: transport statement = body? The wax layer 7 can be implemented in color to increase one by one, or to replace the inner layer of the resin layer 3. The lining resin layer of the resin, or the second:: cup ff on the substrate is a urethane resin layer. Use any, and his suitable resin composition as the lining to re-transfer the upper layer 4;: the first is applied to the surface of the release layer on the release paper, or using any basin pull, beneficial method, The surface resin layer is formed on the inner liner resin layer. ',, " is a poly 8 8:: Example I, the surface resin layer 4 formed on the inner liner resin layer 3 can be used as a search layer, such as polycarbonate, using any other suitable resin composition. Resin or polyether resin. The lining resin layer 3 and the surface resin layer 4 are formed together by the carrier layer 2 on the substrate; that is, the pattern of one plane or multiple lines is coated with two layers. a resin composition of a color and a second color, which is coated on the release paper with an adhesive resin and attached to the upper surface of the substrate, and finally the release paper is peeled off to make the substrate " formed with two layers of planar or multi-grain resin layers 3, 4 having different colors. The second figure shows the result of further patterning the surface of the surface resin layer 4 of the second figure. In this embodiment, a portion of the surface resin layer 4 is removed to reveal a pattern 5 having a lining resin layer 3 as a background color, which is formed by stimulating a radiation beam on the surface resin layer 4 by 鬲 energy. Patterned broom carving is carried out. The embodiment shown in the third figure is engraved into the lining tree by exciting the radiation beam through the hollow pattern of the mask to remove a portion of the surface resin layer 4.

Page 10 1275680 V. INSTRUCTIONS (7) " - j part 1 in the lipid layer to reveal a three-dimensional color stereoscopic pattern. However, the pattern in the third figure can also be produced without the need to engrave the interior of the lining resin layer 3 to reveal a three-dimensional color stereoscopic pattern. Because some materials have the property of accepting a high-energy excitation beam (such as a pigment laser) to form a transparent property (the pigment of the pigment 裒 g 乂 ' select the material of the surface resin layer 4, such as a polymer resin 疋After receiving the high-energy excitation radiation beam, a pattern which is transparent and exposed to lining the resin layer as a background color can be formed.

In the embodiment of Fig. 1, the high-energy excitation radiation beam is used to form the transparent layer of the surface secret layer 4 to reveal the lining resin layer 3, so as to obtain a three-dimensional pattern 5 of color. This does not completely engrave the engraving of the surface resin layer 4, and the pattern provides a better tactile sensation. The fifth figure shows a cross-sectional view in which at least one intermediate resin layer 6 having a third color is further formed between the inner liner resin layer 3 and the surface resin layer 4. Preferably, the intermediate resin layer 6 is formed on the substrate together with the lining resin layer 3 and the surface resin layer 4 by the adhesive layer 2; that is, three layers are coated on the release paper in a plane or multi-grain pattern. The above resin composition having different colors is coated on the release paper with an adhesive resin and bonded to the upper surface of the substrate, and finally the release paper is peeled off to form the substrate. A layer or a multi-grain resin layer having a different color.

In the case of a shell, the intermediate resin layer 6 is a tuned urethane resin, or any other suitable resin composition intermediate resin layer may be used. The sixth figure shows the result of further selective patterning on the surface resin layer 4 of the fifth figure. In this embodiment, a portion of the surface resin layer 4

m Page 11 1275680 V. Inventive Note (8) and a portion of the intermediate resin layer 6 are removed to expose a pattern 5 having a lining resin layer 3 and an intermediate resin layer 6 as a background color. The pattern 5 of the sixth figure is produced by scanning the engraving on the surface resin layer 4 by the high energy excitation radiation beam. Since the depth of the pattern is determined by the energy intensity and time of the end-view high-energy excitation radiation beam, the energy of the beam bounced on the surface resin layer 4 can be controlled by & 4 or as deep as the intermediate resin layer 6 to expose the intermediate resin layer or the lining resin layer to have a three-dimensional pattern of light and dark colors. θ " The artificial leather provided by the method of the present invention will make a laser pattern having at least two different colors on the surface of the artificial leather substrate, so that the surface resin layer is patterned by using a high-energy excitation radiation beam. With the knowledge of the description, it is possible to create a layered color stereoscopic pattern on the surface of the artificial leather, thereby ensuring the quality of the product pattern made by the artificial leather. Embodiments of the invention will be further illustrated by the following examples. 'Example 1 (General artificial leather) A non-woven fabric substrate was prepared by mixing 3 den polyester fiber with polyamide 6 fiber, impregnating the substrate with impregnated polyurethane resin, and coating with a knife. The base material is coated with a polyurethane resin (weight ratio of 4 〇: 6 聚 of the gas 6 composition and dimethylformamide (DMF)), solidified and washed with 9 1 1 40 ° C Drying can obtain semi-finished products of general fiber artificial leather; dilute one-component polyurethane resin to a viscosity of 12 〇〇cps and apply it directly to release paper (with an amount of 150 g/m2) after being toned, and completely dry at 120 °c. Then, the one-layer polyurethane resin is diluted to a viscosity of 12 〇〇cps, and then coated on the first layer of one-liquid polyurethane resin to form a second layer of colored

Page 12 1275680 V. Description of the invention (9) The layer (with an amount of 180 g/m2) is also completely dried at 120 °C and then coated with a two-component polyurethane adhesive (with an amount of 130 g/m2). After semi-drying at 70 °C, it is laminated with general fiber artificial leather semi-finished products (wet semi-finished products), and the production speed is controlled at 15 m/mi η. After being matured into a bridge, it is peeled off from the release paper, that is, a top and bottom two-color laser pattern is completed. Layer of artificial leather substrate. Further, the high-energy excitation radiation beam is engraved on the surface resin layer of the artificial leather substrate having the upper and lower two-color laser pattern forming layers, and a finished artificial leather product having a two-dimensional color stereoscopic pattern is formed on one surface. Example 2 (Microfiber artificial leather) A non-woven fabric substrate was prepared by using ultrafine fiber (monofilament fineness o.idenier) of polyamidamine 6 to 40 parts of polyurethane (PU) and 60 parts of dimethyl group. The coating composed of decylamine (DMF) is impregnated with microfiber non-woven fabric, washed with water after 9 〇, dried to form an elastic hard skin after drying at 140 ° C, and then reduced to form a semi-finished product of ultra-fine fiber artificial leather. After the surface is ground, the dyeing is carried out to become the finished substrate of the microfiber artificial leather; the one-component polyurethane resin is diluted to a viscosity of 12 〇〇cps and directly coated on the release paper (the amount is 15〇2) /1112), after completely drying with 12 〇 art, apply a layer of high-solid polyurethane resin (about 95% solid), and then completely dry at 13 ° C, then apply a layer of two liquid The polyurethane adhesive (with a weight of 130g/m2) is attached to the microfiber artificial leather substrate, and the speed is controlled at 15m/min. After being matured into a bridging bridge, it is peeled off from the release paper, that is, a microfiber artificial fiber with upper and lower colors is completed. Leather substrate. Further, the high-energy excitation radiation beam is directly engraved on the surface resin layer of the above-mentioned ultra-fine fiber artificial leather substrate having the upper and lower two colors, and one will be obtained.

Page 13 1275680 V. INSTRUCTIONS (ίο) Microfiber artificial leather with a two-color effect three-dimensional pattern on the surface. The foregoing is a description of the above embodiments of the present invention, and according to the p-decoration embodiment of the present invention, for example, the design spirit of the shape on the substrate can be variously changed or repaired only by the dazzle-s and the laser image The type of fabrication layer is not limited to the two-layer or two-layer tree layer, which may be four or more layers, and the color between the resin layers is not limited to being completely different. Therefore, obvious substitutions and modifications may be made by those skilled in the art, and will still be incorporated in the scope of the claimed invention.

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^图fi单说明] The first figure shows/the schematic view of the Shishishi embodiment i has a lining resin layer and a surface resin layer formed on the first surface of the base-m resin layer Elastically formed between the lining resin layer and the lining resin layer, the third view shows a cross-sectional view of the first pattern; the fourth figure shows a cross-sectional view of the first pattern; the etch is divided to form a transparent surface to form a partial surface of the inter-resin layer and the surface pattern The resin layer is subjected to a partial surface resin layer of the pattern diagram, and is a cross-sectional view showing an embodiment of the substrate, which is shown on the substrate, and the lining resin layer and the lining layer. 6 is a cross-sectional view showing the partial representation of the fifth figure to form a pattern. [Main element symbol description] The surface resin layer and the surface tree layer are subjected to the pattern 1, the substrate 3, the inner resin layer 5, and the pattern 7 , elastomer resin layer 2, adhesive layer 4, surface resin layer 6, intermediate resin layer

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Claims (1)

Case No. 93128991 修正 Amendment 6. Patent Application Range 1. A method for producing artificial leather having a laser pattern forming layer, comprising the steps of: providing a substrate having an upper surface; and having different borrowings. 2 The artificial base fabric is in the material. 3 artificial microfiber treatment and 4 artificial and lining substrate upper color tree is made of high energy, according to the leather impregnation elasticity, according to the leather of the leather, the shape is not woven, according to the leather Forming a resin layer according to the surface to form at least two layers of a lipid layer comprising a surface resin layer; and exciting the radiation beam on the surface resin layer to form a pattern of the first method of the patent range, wherein the substrate is super The artificial resin solution and the non-woven fabric layer formed by mixing the wet-formed laser fine fibers to form a layer of the pattern forming layer have a first color surface and a second color 6 according to the application layer The artificial leather is required to be patented, and the base fabric of the base fabric is required to be patented. In the meantime, the patent form of the patented method is included in the scope of the patented method. The substrate is a cloth impregnated with elastic laser. The pattern is made of a layer-like fiber or a general fiber-to-body resin solution and has a laser in the wet range item 3, and further includes a step item in the step of the base layer. The upper layer of the material is coated with the inner elastomer resin 1 or 4, wherein the resin surface is in the range of the resin, and a layer is formed therein. 1 or 4, the formation of the item has the upper surface of the pattern on the substrate. 树脂 The resin layer of the laser pattern is wrapped with a resin layer. The resin layer of the laser pattern is packaged. Page 16 2006.07. 29.016 1275680 Amendment VI. The scope of the patent application includes - an inner resin layer having a first color, a resin layer having a second color, and at least - having a third color and interposed between the inner grease layers Intermediate resin layer.曰,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Each of the resin layers is ○ η: a resin having a laser pattern type according to the first or fourth aspect of the patent. , the middle surface tree, the layer of 曰 疋 polycarbonate, the method of the laser pattern y, which is the first or fourth item of the patent scope, wherein the surface resin layer is a polyether tree, Page 17 07. 29, Type Graphic Light-solid high-intensity There is a layer of fat tree 4 or Table 1275680 _ Case No. 93128991_年月曰 Correction _ Six, the scope of application for the patent to cover. 1 . The method for producing an artificial leather having a laser pattern forming layer according to the first aspect of the patent application, wherein a part of the surface resin layer is engraved to reveal a pattern of at least two-layer color. 1 . The method for producing an artificial leather having a laser pattern forming layer according to the first aspect of the patent application, wherein a part of the surface resin layer is transparent to reveal a pattern of at least two layers of color. An artificial leather having a laser pattern forming layer, comprising: a substrate having an upper surface; and at least two layers of resin layers having a surface resin layer having different colors, wherein the resin layers are formed The upper surface of the substrate, and a portion of the surface resin layer is engraved or formed to be transparent to reveal at least a double-layer color pattern 〇16, which has a laser pattern-forming layer according to the fifteenth aspect of the patent application. Artificial leather, wherein the substrate is a non-woven substrate obtained by impregnating an elastomer resin layer with a microfiber and subjecting it to a wet treatment. 1 7 . The artificial leather having a laser pattern forming layer according to the fifteenth aspect of the patent application, wherein the base material is a general fiber or a base cloth formed by mixing a general fiber and the ultrafine fiber is impregnated into the elastomer resin layer and wetted. A non-woven substrate obtained by the treatment. 18. The artificial leather having a laser pattern forming layer according to the fifteenth aspect of the patent application, wherein the resin layer formed on the substrate comprises a lining resin layer having a first color and a coating lining A surface resin layer having a second color on the surface of the resin layer. Page 18 2006. 07. 29.018 1275680 _ Case No. 93128991_Year of the month __ VI. Patent application scope 19. Artificial leather with a laser pattern layer according to Article 15 of the patent application scope, wherein The resin layer on the substrate comprises a lining resin layer having a first color, a surface resin layer having a second color, and at least one intermediate resin having a third color and interposed between the lining resin layer and the surface resin layer Floor. 20, an artificial leather having a laser pattern forming layer according to the patent application scope No. 15, 5 or 19, wherein each resin layer formed on the substrate is a toned polyurethane resin. 2 1 . Artificial leather having a laser pattern forming layer according to the patent application scope No. 15, 5 or 19, wherein the surface resin layer is a polycarbonate s resin. 2 2. Artificial leather having a laser pattern forming layer according to the patent application scope No. 15, 5 or 19, wherein the surface resin layer is a polyether resin. 2 3. Artificial leather having a laser pattern forming layer according to the patent application scope No. 15, 5 or 19, wherein the surface resin layer is a high-solid polyurethane resin. 2 4. An artificial leather having a laser pattern forming layer according to the patent application No. 15, 5 or 19, wherein an elastomer resin layer is further included between the upper surface of the substrate and the inner resin layer. 2 5 . The artificial leather having a laser pattern forming layer according to claim 24, wherein the elastomer resin layer and the lining resin layer further comprise an adhesive layer. 2 6. According to the scope of patent application No. 15, 5 or 19 Page 19 2006.07. 29.019 1275680 Page 20 2006.07. 29.020