TW201433468A - Transfer film, imprinting device, and method for imprinting thereof - Google Patents
Transfer film, imprinting device, and method for imprinting thereof Download PDFInfo
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本發明是關於一種轉印膜，特別是一可重複使用之轉印膜。 The present invention relates to a transfer film, particularly a transfer film that can be reused.
隨著科技的發展，消費者對於行動電話或筆記型電腦等高科技產品之外型的要求也日益提高。舉例來說，消費者會希望產品能展現時尚及特殊美感。為了滿足這樣的需求，就需要在產品的外殼上壓印出不同的圖案。 With the development of technology, consumers are increasingly demanding the appearance of high-tech products such as mobile phones or notebook computers. For example, consumers will want products to show fashion and special beauty. In order to meet such a demand, it is necessary to emboss different patterns on the outer casing of the product.
一般而言，會將外殼的半成品送入模具中，藉由模具所具有的圖案來壓印半成品。然而，若是要變更外殼的圖案，就需要重新設計不同的模具。由於重新設計模具所費不貲，因而大幅增加了產品的生產成本。 In general, the semi-finished product of the outer casing is fed into the mold, and the semi-finished product is imprinted by the pattern of the mold. However, if you want to change the pattern of the outer casing, you need to redesign the different molds. Due to the cost of redesigning the mold, the production cost of the product is greatly increased.
另一方面，也有使用模內裝飾(In-Mold Decoration，IMD)的技術來裝飾產品外型的方法。模內裝飾主要應用於家電產品的表面裝飾及功能性面板，或是用在手機視窗鏡片及外殼、洗衣機控制台、冰箱控制台、空調控制台、汽車儀表盤及電鍋控制台多種領域的面板、標誌等外觀物件上。 On the other hand, there is also a method of decorating the appearance of the product using the technique of In-Mold Decoration (IMD). In-mold decoration is mainly used for surface decoration and functional panels of home appliances, or panels for various fields such as mobile phone window lenses and housings, washing machine consoles, refrigerator consoles, air conditioning consoles, car dashboards and electric cooker consoles. , signs and other appearance items.
以IMD領域中的模內轉印(In-Mold Roller，IMR)而言，模內轉印通常是運用於行動電話及筆記型電腦之外殼。模內轉印是將圖案印刷 在膜片中的薄膜上，再通過送膜機進行注塑，注塑後膜片中的油墨層會與膜片中的薄膜分離。如此一來，膜片中具有圖案的油墨層會留在塑件上而得到表面有裝飾圖案的塑件。 In the case of In-Mold Roller (IMR) in the field of IMD, in-mold transfer is usually used for the casing of mobile phones and notebook computers. In-mold transfer is to print the pattern On the film in the diaphragm, injection molding is performed by a film feeder, and the ink layer in the film is separated from the film in the film after injection molding. In this way, the ink layer with the pattern in the film will remain on the plastic part to obtain a plastic part with a decorative pattern on the surface.
然而，模內轉印技術中所使用的膜片仍然無法重複使用。也就是說，若是要製造大量的外殼，就需要準備大量的膜片以供使用。這除了增加產品的成本，也增加了轉印製程的複雜程度。 However, the diaphragm used in the in-mold transfer technique is still not reusable. That is to say, if a large number of outer casings are to be manufactured, a large number of diaphragms need to be prepared for use. In addition to increasing the cost of the product, it also increases the complexity of the transfer process.
因此，如何設計一種轉印膜，以解決先前技術中，轉印製程所使用的膜片無法重複使用的問題，就成為了本案發明人需要解決的問題。 Therefore, how to design a transfer film to solve the problem that the film used in the transfer process cannot be reused in the prior art has become a problem to be solved by the inventors of the present invention.
鑒於以上的問題，本發明是關於一種轉印膜、轉印設備及其轉印方法，藉以解決先前技術中轉印製程所使用的膜片無法重複使用的問題。 In view of the above problems, the present invention relates to a transfer film, a transfer device, and a transfer method thereof, thereby solving the problem that the film used in the transfer process of the prior art cannot be reused.
本發明一實施例所揭露的轉印膜，包含一膜片以及一轉印樹脂層。膜片之一側具有一凹凸表面。轉印樹脂層覆蓋膜片。轉印樹脂層相反於膜片之一側具有匹配凹凸表面之一立體圖案。 A transfer film according to an embodiment of the present invention comprises a film and a transfer resin layer. One side of the diaphragm has a concave-convex surface. The transfer resin layer covers the film. The transfer resin layer has a one-dimensional pattern matching the concave-convex surface on the side of one side of the film.
本發明一實施例所揭露的轉印設備，包含一模具以及一轉印膜。模具包含相對的一第一模座以及一第二模座。第二模座具有一射料口。轉印膜設置於第一模座面對第二模座之一側。轉印膜貼合第一模座。轉印膜之立體圖案面對第二模座。 A transfer device according to an embodiment of the invention comprises a mold and a transfer film. The mold includes a first mold base and a second mold base. The second mold base has a shot port. The transfer film is disposed on a side of the first mold base facing the second mold base. The transfer film is attached to the first mold base. The three-dimensional pattern of the transfer film faces the second mold base.
本發明一實施例所揭露的轉印方法，包含以下步驟。提供一轉印膜。形成一塑料於轉印膜，使塑料之一側對應立體圖案而形成一立體紋路。使塑料與轉印膜分離。 The transfer method disclosed in one embodiment of the present invention comprises the following steps. A transfer film is provided. A plastic is formed on the transfer film so that one side of the plastic corresponds to the three-dimensional pattern to form a three-dimensional pattern. The plastic is separated from the transfer film.
根據上述本發明實施例所揭露的轉印膜、轉印設備及其轉印方法，由於轉印膜包含了美耐皿以及環氧樹脂，因而轉印膜可耐高溫並具有良好的離型效果以及較高之硬度。因此，在進行轉印時，轉印膜可重複使用，因而解決了先前技術中轉印製程所使用的膜片無法重複使用的問題。 According to the transfer film, the transfer device and the transfer method thereof disclosed in the above embodiments of the present invention, since the transfer film contains melamine and epoxy resin, the transfer film can withstand high temperature and has a good release effect. And higher hardness. Therefore, the transfer film can be reused at the time of transfer, thereby solving the problem that the film used in the transfer process of the prior art cannot be reused.
10‧‧‧轉印膜 10‧‧‧Transfer film
11‧‧‧膜片 11‧‧‧ diaphragm
111‧‧‧基板 111‧‧‧Substrate
112‧‧‧紫外線硬化樹脂層 112‧‧‧UV hardened resin layer
1121‧‧‧樹脂前趨物 1121‧‧‧Resin precursor
1122‧‧‧樹脂薄膜 1122‧‧‧Resin film
113‧‧‧凹凸表面 113‧‧‧ concave surface
12‧‧‧轉印樹脂層 12‧‧‧Transfer resin layer
120‧‧‧轉印樹脂前趨物 120‧‧‧Transfer resin precursor
121‧‧‧立體圖案 121‧‧‧Three-dimensional pattern
20‧‧‧轉印設備 20‧‧‧Transfer equipment
22‧‧‧模具 22‧‧‧Mold
221‧‧‧第一模座 221‧‧‧ first mold base
222‧‧‧第二模座 222‧‧‧ second mold base
2220‧‧‧射料口 2220‧‧‧ shot mouth
30‧‧‧塑料 30‧‧‧ plastic
300‧‧‧立體紋路 300‧‧‧Three-dimensional lines
第1圖為根據本發明一實施例所揭露之轉印膜之示意圖。 Fig. 1 is a schematic view of a transfer film according to an embodiment of the present invention.
第2圖為根據本發明一實施例所揭露之轉印膜之製作方法之流程圖。 2 is a flow chart of a method of fabricating a transfer film according to an embodiment of the invention.
第3A圖至第3G圖分別為對應「第2圖」中步驟S101至S107之結構側視圖。 3A to 3G are respectively side views of the structures corresponding to steps S101 to S107 in "2nd drawing".
第4A圖為根據本發明一實施例所揭露之轉印設備之分解示意圖。 4A is an exploded perspective view of a transfer apparatus according to an embodiment of the invention.
第4B圖為根據本發明一實施例所揭露之轉印設備之組合示意圖。 FIG. 4B is a schematic view showing the combination of the transfer device according to an embodiment of the invention.
第5圖為根據本發明一實施例所揭露之轉印方法之流程圖。 Figure 5 is a flow chart of a transfer method in accordance with an embodiment of the present invention.
第6A圖與第6B圖分別為對應「第5圖」中步驟S204與步驟S205之結構側視圖。 6A and 6B are side views of the structure corresponding to steps S204 and S205 in "Fig. 5", respectively.
以下在實施方式中詳細敘述本發明之詳細特徵以及優點，其內容足以使任何熟習相關技藝者了解本發明之技術內容並據以實施，且根據本說明書所揭露之內容、申請專利範圍及圖式，任何熟習相關技藝者可輕易地理解本發明相關之目的及優點。以下之實施例係進一步詳細說明本發明之觀點，但非以任何觀點限制本發明之範疇。 The detailed features and advantages of the present invention are set forth in the Detailed Description of the Detailed Description of the <RTIgt; </ RTI> <RTIgt; </ RTI> </ RTI> </ RTI> <RTIgt; The objects and advantages associated with the present invention can be readily understood by those skilled in the art. The following examples are intended to describe the present invention in further detail, but are not intended to limit the scope of the invention.
首先，請參閱第1圖，第1圖為根據本發明一實施例所揭露 之轉印膜之示意圖。轉印膜10包含一膜片11以及一轉印樹脂層12。 First, please refer to FIG. 1 , which is a diagram of an embodiment of the present invention. Schematic diagram of the transfer film. The transfer film 10 includes a film sheet 11 and a transfer resin layer 12.
膜片11包含一基板111以及一紫外線硬化樹脂層112。基板111之材料為聚對苯二甲酸乙二酯(PET)、聚碳酸酯-玻璃纖維(PC-GF)、聚醯胺-玻璃纖維(PA-GF)、聚碳酸酯-丙烯腈-丁二烯-苯乙烯共聚物(PC-ABS)或其組合。 The diaphragm 11 includes a substrate 111 and an ultraviolet curable resin layer 112. The material of the substrate 111 is polyethylene terephthalate (PET), polycarbonate-glass fiber (PC-GF), polyamide-glass fiber (PA-GF), polycarbonate-acrylonitrile-butyl An ene-styrene copolymer (PC-ABS) or a combination thereof.
紫外線硬化樹脂層112覆蓋於基板111。紫外線硬化樹脂層112相反於基板111之一側具有一凹凸表面113。紫外線硬化樹脂層112之材質例如包含寡聚物(oligomer)、單體(monomer)以及光起始劑(photoinitiator)，而寡聚物例如為環氧丙烯酸酯(epoxy acrylate)、胺酯丙烯酸酯(urethane acrylate)、聚酯丙烯酸酯(polyester acrylate)，單體例如為乙烯基單體、丙烯基單體、丙烯基酸體，而光起始劑例如為偶氮二異丁腈(azobisisobutyronitrile，AIBN)之自由基產生劑或是鹽酸之陽離子產生劑。 The ultraviolet curable resin layer 112 covers the substrate 111. The ultraviolet curable resin layer 112 has a concave-convex surface 113 opposite to one side of the substrate 111. The material of the ultraviolet curable resin layer 112 includes, for example, an oligomer, a monomer, and a photoinitiator, and the oligomer is, for example, an epoxy acrylate or an amine acrylate ( Urethane acrylate), polyester acrylate, monomer such as vinyl monomer, propylene monomer, acryl acid, and photoinitiator such as azobisisobutyronitrile (AIBN) The free radical generator or the cation generator of hydrochloric acid.
轉印樹脂層12覆蓋於膜片11。其中，轉印樹脂層12相反於膜片11之一側具有匹配凹凸表面113之一立體圖案121。也就是說，立體圖案121與凹凸表面113具有相同或相似的圖案或紋路。 The transfer resin layer 12 covers the film sheet 11. Among them, the transfer resin layer 12 has a one-dimensional pattern 121 matching the uneven surface 113 on the side opposite to the diaphragm 11. That is, the three-dimensional pattern 121 has the same or similar pattern or texture as the uneven surface 113.
轉印樹脂層12之材料包含一美耐皿(melamine)以及一環氧樹脂(epoxy resin)。其中，美耐皿可使轉印樹脂層12具有較佳的離型效果，亦即轉印樹脂層12與另一基材接觸之後，轉印樹脂層12不易與另一基材沾黏而具有良好之分離效果。另一方面，環氧樹脂可使轉印樹脂層12具有較佳之耐熱性以及結構強度，而使得轉印樹脂層12在防刮、抗磨損方面具有較佳之效果。在本實施例及部分其他實施例中，美耐皿與環氧樹脂之重量比例介於5：5至7：3之間。在一實施例中，美耐皿與環氧樹脂之重量 比例為6：4。藉此，轉印樹脂層12除了可耐高溫(例如：高於250℃)外，還具有較佳之防刮、抗磨損等效果。 The material of the transfer resin layer 12 contains a melamine and an epoxy resin. Among them, the melamine dish can have a better release effect of the transfer resin layer 12, that is, after the transfer resin layer 12 is in contact with another substrate, the transfer resin layer 12 is not easily adhered to another substrate and has Good separation. On the other hand, the epoxy resin can impart better heat resistance and structural strength to the transfer resin layer 12, and the transfer resin layer 12 has a better effect in scratch resistance and abrasion resistance. In this embodiment and some other embodiments, the weight ratio of melamine to epoxy resin is between 5:5 and 7:3. In one embodiment, the weight of the melamine and epoxy resin The ratio is 6:4. Thereby, the transfer resin layer 12 has better effects of scratch resistance, abrasion resistance, and the like in addition to high temperature resistance (for example, higher than 250 ° C).
以下將介紹轉印膜10的製備方法，請參閱第2圖及第3A圖至第3G圖，第2圖為根據本發明一實施例所揭露之轉印膜之製作方法之流程圖，第3A圖至第3G圖分別為對應「第2圖」中步驟S101至S107之結構側視圖。 Hereinafter, a method of preparing the transfer film 10 will be described. Please refer to FIG. 2 and FIGS. 3A to 3G. FIG. 2 is a flow chart of a method for fabricating a transfer film according to an embodiment of the present invention, FIG. 3A The figures to the 3G are respectively side views of the structures corresponding to steps S101 to S107 in "2nd drawing".
提供一基板111(S101)(如第3A圖所示)。由於基板111的熔點較高而耐高溫，因而可避免基板111在高溫下產生浮纖的問題，而使得使用者可在較高溫之環境下操作基板111。 A substrate 111 (S101) is provided (as shown in FIG. 3A). Since the substrate 111 has a high melting point and is resistant to high temperatures, the problem that the substrate 111 generates floating fibers at a high temperature can be avoided, so that the user can operate the substrate 111 in a higher temperature environment.
接著，在基板111上塗佈一樹脂前趨物1121(S102)，使樹脂前趨物1121覆蓋基板111(如第3B圖所示)。塗佈之方式例如為旋轉塗佈(spin coating)、狹縫塗佈或者是刮板塗佈(blade coating)。其中，樹脂前趨物1121之材質係為紫外線硬化樹脂，樹脂前趨物1121例如包含寡聚物(oligomer)、單體(monomer)以及光起始劑(photoinitiator)，而寡聚物例如為環氧丙烯酸酯(epoxy acrylate)、胺酯丙烯酸酯(urethane acrylate)、聚酯丙烯酸酯(polyester acrylate)，單體例如為乙烯基單體、丙烯基單體、丙烯基酸體，而光起始劑例如為偶氮二異丁腈(azobisisobutyronitrile，AIBN)之自由基產生劑或是鹽酸之陽離子產生劑。 Next, a resin precursor 1121 is applied on the substrate 111 (S102), so that the resin precursor 1121 covers the substrate 111 (as shown in FIG. 3B). The coating method is, for example, spin coating, slit coating, or blade coating. The material of the resin precursor 1121 is an ultraviolet curing resin, and the resin precursor 1121 includes, for example, an oligomer (oligomer), a monomer, and a photoinitiator, and the oligomer is, for example, a ring. Epoxy acrylate, urethane acrylate, polyester acrylate, monomers such as vinyl monomers, propylene monomers, acryl acids, and photoinitiators For example, it is a radical generator of azobisisobutyronitrile (AIBN) or a cation generator of hydrochloric acid.
然後，以紫外光照射樹脂前趨物1121而形成一樹脂薄膜1122(S103)(如第3C圖所示)。詳細來說，以紫外光照射樹脂前趨物1121時，樹脂前趨物1121會進行化學反應而開始固化而形成樹脂薄膜1122。藉由控制紫外光的強度、照射時間以及波長，可控制樹脂薄膜1122的固化程 度(curing degree)，並且照射紫外光可增強樹脂薄膜1122的結構強度，並且使樹脂薄膜1122維持流體之狀態而具有可塑性。在本實施例中，樹脂薄膜1122的固化程度是50%，但並不以此為限。 Then, a resin film 1122 is formed by irradiating the resin precursor 1121 with ultraviolet light (S103) (as shown in Fig. 3C). Specifically, when the resin precursor 1121 is irradiated with ultraviolet light, the resin precursor 1121 undergoes a chemical reaction to start curing to form a resin film 1122. The curing process of the resin film 1122 can be controlled by controlling the intensity of the ultraviolet light, the irradiation time, and the wavelength. The curing degree, and the irradiation of the ultraviolet light, enhances the structural strength of the resin film 1122, and maintains the resin film 1122 in a fluid state to have plasticity. In the present embodiment, the degree of curing of the resin film 1122 is 50%, but not limited thereto.
接著，使樹脂薄膜1122形成一凹凸表面113(S104)(如第3D圖所示)。在本實施例中，是藉由壓印模具(未繪示)壓印樹脂薄膜1122，而使樹脂薄膜1122相反於基板111之一側被壓印出凹凸表面113，而凹凸表面113係對應於壓印模具所具有之圖案。然而，使樹脂薄膜1122形成凹凸表面113之方法並不以壓印為限，在其他實施例中，可藉由例如蝕刻之方法而在樹脂薄膜1122上形成凹凸表面。 Next, the resin film 1122 is formed into a concave-convex surface 113 (S104) (as shown in Fig. 3D). In the present embodiment, the resin film 1122 is embossed by an imprint mold (not shown), and the resin film 1122 is embossed with the uneven surface 113 on the side opposite to the substrate 111, and the uneven surface 113 corresponds to The pattern that the imprint mold has. However, the method of forming the resin film 1122 into the uneven surface 113 is not limited to embossing. In other embodiments, the uneven surface may be formed on the resin film 1122 by, for example, etching.
然後，固化樹脂薄膜1122以形成紫外線硬化樹脂層112(S105)。如此一來，即完成了膜片11之製備。 Then, the resin film 1122 is cured to form the ultraviolet curable resin layer 112 (S105). In this way, the preparation of the membrane 11 is completed.
接著，在膜片11的凹凸表面113上塗佈一轉印樹脂前趨物120，使轉印樹脂前趨物120覆蓋膜片11(S106)(如第3F圖所示)。塗佈之方式例如為旋轉塗佈(spin coating)、狹縫塗佈或者是刮板塗佈(blade coating)。轉印樹脂前趨物120之材料包含一美耐皿(melamine)以及一環氧樹脂(epoxy resin)，並且例如是藉由將美耐皿與環氧樹脂混合後再進行研磨之方式來製備轉印樹脂前趨物120。在本實施例及部分其他實施例中，美耐皿與環氧樹脂之重量比例介於5：5至7：3之間。在一實施例中，美耐皿與環氧樹脂之重量比例為6：4。由於轉印樹脂前趨物120為液態，具有較佳之流動性，因而轉印樹脂前趨物120係沿著膜片11的凹凸表面113而覆蓋膜片11。也就是說，轉印樹脂前趨物120的結構是匹配於膜片11的的凹凸表面113，因而轉印樹脂前趨物120相反於膜片11之一側具有匹配凹凸表 面113之一立體圖案121。 Next, a transfer resin precursor 120 is applied on the uneven surface 113 of the film 11, so that the transfer resin precursor 120 covers the film 11 (S106) (as shown in Fig. 3F). The coating method is, for example, spin coating, slit coating, or blade coating. The material of the transfer resin precursor 120 comprises a melamine and an epoxy resin, and is prepared, for example, by mixing melamine and epoxy resin and then grinding. The resin precursor 120 is printed. In this embodiment and some other embodiments, the weight ratio of melamine to epoxy resin is between 5:5 and 7:3. In one embodiment, the weight ratio of melamine to epoxy resin is 6:4. Since the transfer resin precursor 120 is in a liquid state and has a preferable fluidity, the transfer resin precursor 120 covers the film 11 along the uneven surface 113 of the film 11. That is, the structure of the transfer resin precursor 120 is matched to the uneven surface 113 of the film 11, and thus the transfer resin precursor 120 has a matching concave-convex table opposite to one side of the film 11. One of the faces 113 is a three-dimensional pattern 121.
最後，固化轉印樹脂前趨物120以形成轉印樹脂層12(S107)。如此一來，即完成了轉印膜10之製備(如第3G圖所示)。在本實施例及部分其他實施例中，係以熱風烘乾之方式使轉印樹脂層12固化。其中，熱風烘乾之溫度係匹配於轉印樹脂層12的組成成分以及膜片11的熔點。也就是說，在這樣的溫度下，可使轉印樹脂層12固化，而膜片11保持固態而不會因為溫度過高而液化。 Finally, the transfer resin precursor 120 is cured to form the transfer resin layer 12 (S107). In this way, the preparation of the transfer film 10 is completed (as shown in Fig. 3G). In this embodiment and some other embodiments, the transfer resin layer 12 is cured by hot air drying. Among them, the temperature at which the hot air is dried is matched to the composition of the transfer resin layer 12 and the melting point of the film 11. That is, at such a temperature, the transfer resin layer 12 can be cured, and the film 11 remains solid without being liquefied due to excessive temperature.
其中，使用者可藉由選擇壓印模具(未繪示)上所具有的圖案來製備膜片11，進而再將這樣的圖案呈現於轉印樹脂層12的立體圖案121。舉例來說，使用者可藉由選擇壓印模具的圖案來設計立體圖案121的線條密度或者是紋路圖案。 The user can prepare the diaphragm 11 by selecting a pattern on the imprint mold (not shown), and then present the pattern to the three-dimensional pattern 121 of the transfer resin layer 12. For example, the user can design the line density or the grain pattern of the three-dimensional pattern 121 by selecting the pattern of the imprint mold.
依據第1圖之流程所製備之轉印膜10除了具備耐高溫以及較佳之離型效果外，轉印膜10還具有良好的結構強度。在硬度為HB-F之鉛筆測試下，轉印膜10僅具有微小的痕跡。另一方面，在橡膠摩擦測試中，轉印膜10在300次循環下結構亦無損害，因而轉印膜10具有良好的硬度。上述的橡膠摩擦測試係使用編號為EF74之橡膠進行測試，並且橡膠對轉印膜10所施加的壓力為500克/平方公分，而橡膠與轉印膜10之間的距離為6公分，並且係以每秒鐘1次循環之速度使橡膠摩擦轉印膜10。 The transfer film 10 prepared according to the flow of Fig. 1 has a good structural strength in addition to high temperature resistance and a preferable release effect. Under the pencil test of hardness HB-F, the transfer film 10 has only minute marks. On the other hand, in the rubber friction test, the transfer film 10 was not damaged in structure at 300 cycles, and thus the transfer film 10 had good hardness. The above rubber friction test was carried out using the rubber numbered EF74, and the pressure applied by the rubber to the transfer film 10 was 500 g/cm 2 , and the distance between the rubber and the transfer film 10 was 6 cm, and The transfer film 10 was rubbed with rubber at a rate of one cycle per second.
轉印膜10例如可用於模內精密咬花(In-Mold Texture，IMT)以進行轉印。在以下敘述中，將對如何使用轉印膜10來進行轉印進行更詳細的說明。 The transfer film 10 can be used, for example, for in-mold In-Mold Texture (IMT) for transfer. In the following description, how to transfer using the transfer film 10 will be described in more detail.
請參閱第1圖、第4A圖、第4B圖、第5圖以及第6A圖與 第6B圖，第4A圖為根據本發明一實施例所揭露之轉印設備之分解示意圖，第4B圖為根據本發明一實施例所揭露之轉印設備之組合示意圖，第5圖為根據本發明一實施例所揭露之轉印方法之流程圖，第6A圖與第6B圖分別為對應「第5圖」中步驟S204與步驟S205之結構側視圖。 Please refer to Figure 1, Figure 4A, Figure 4B, Figure 5 and Figure 6A. 6B, FIG. 4A is an exploded perspective view of a transfer device according to an embodiment of the present invention, and FIG. 4B is a schematic view showing a combination of a transfer device according to an embodiment of the present invention, and FIG. 5 is a schematic view of the transfer device according to an embodiment of the present invention. A flowchart of a transfer method disclosed in an embodiment of the invention, and FIGS. 6A and 6B are respectively side views of the structure corresponding to steps S204 and S205 in "fifth diagram".
首先，提供一模具22(S201)。模具22包含相對的一第一模座221以及一第二模座222。第一模座221與第二模座222例如為彼此相匹配的一組公模與母模。其中，第二模座222具有一射料口2220(如第4A圖、第4B圖所示)。 First, a mold 22 is provided (S201). The mold 22 includes a first mold base 221 and a second mold base 222. The first die holder 221 and the second die holder 222 are, for example, a set of male and female molds that match each other. The second mold base 222 has a shot port 2220 (as shown in FIG. 4A and FIG. 4B).
接著，提供一轉印膜10(S202)。其中，轉印膜10的表面具有一立體圖案121(如第4A圖、第4B圖所示)，並且轉印膜10中的轉印樹脂層之材質包含了美耐皿以及環氧樹脂，而美耐皿與環氧樹脂之重量比例介於5：5至7：3之間，並且在一實施例中，美耐皿與環氧樹脂之重量比例為6：4。 Next, a transfer film 10 is provided (S202). Wherein, the surface of the transfer film 10 has a three-dimensional pattern 121 (as shown in FIGS. 4A and 4B), and the material of the transfer resin layer in the transfer film 10 contains melamine and epoxy resin, and The weight ratio of melamine to epoxy resin is between 5:5 and 7:3, and in one embodiment, the weight ratio of melamine to epoxy resin is 6:4.
然後，將轉印膜10設置於第一模座221(S203)。詳細而言，是將轉印膜10設置於第一模座221面對第二模座222的一側，使轉印膜10貼合第一模座221。其中，轉印膜10的立體圖案121係面對第二模座222。如此一來，模具22與轉印膜10即組成了一轉印設備20(如第4A圖、第4B圖所示)，而使用者可藉由轉印設備20來進行轉印。 Then, the transfer film 10 is placed on the first mold base 221 (S203). Specifically, the transfer film 10 is disposed on the side of the first mold base 221 facing the second mold base 222 such that the transfer film 10 is attached to the first mold base 221. The three-dimensional pattern 121 of the transfer film 10 faces the second mold base 222. As a result, the mold 22 and the transfer film 10 constitute a transfer device 20 (as shown in FIGS. 4A and 4B), and the user can perform transfer by the transfer device 20.
接著，將一塑料30注入射料口2220，使塑料30形成於轉印膜10上(S204)(如第6A圖所示)。在本實施例及部分其他實施例中，係以射出成型(injection molding)之方式將塑料30形成於轉印膜10。其中，轉印膜10的轉印樹脂層與塑料30之間的結合力小於轉印膜10的轉印樹脂 層與轉印膜10的膜片之間的結合力。如此一來，可避免在將塑料30自轉印膜10分離時，轉印膜10的轉印樹脂層12結合於塑料30而同時自膜片11分離。此外，塑料30例如為一熱塑性塑膠或者是一熱固性塑膠。熱塑性塑膠例如為聚乙烯、聚丙烯或者是聚氯乙烯等具有加熱軟化、冷卻硬化特性而可多次成型之塑膠，而熱固性塑膠例如為環氧樹脂或者是尿素甲醛樹脂等只能成型一次之塑膠。 Next, a plastic 30 is injected into the shot port 2220 to form the plastic 30 on the transfer film 10 (S204) (as shown in Fig. 6A). In the present embodiment and some other embodiments, the plastic 30 is formed on the transfer film 10 by injection molding. Wherein, the bonding force between the transfer resin layer of the transfer film 10 and the plastic 30 is smaller than that of the transfer film 10 The bonding force between the layer and the diaphragm of the transfer film 10. In this way, when the plastic 30 is separated from the transfer film 10, the transfer resin layer 12 of the transfer film 10 is bonded to the plastic 30 while being separated from the film 11. Further, the plastic 30 is, for example, a thermoplastic or a thermosetting plastic. The thermoplastic plastic is, for example, polyethylene, polypropylene or polyvinyl chloride, which has heat-softening, cooling and hardening properties and can be molded in multiple times, and the thermosetting plastic is, for example, epoxy resin or urea-formaldehyde resin, which can be molded only once. .
由於轉印膜10的立體圖案121係面對第二模座222，因此塑料30面對立體圖案121的一側會被立體圖案121轉印出對應立體圖案121之一立體紋路300。 Since the three-dimensional pattern 121 of the transfer film 10 faces the second mold base 222, one side of the plastic 30 facing the three-dimensional pattern 121 is transferred by the three-dimensional pattern 121 to one of the three-dimensional lines 300 corresponding to the three-dimensional pattern 121.
最後，將塑料30與轉印膜10分離(S205)(如第6B圖所示)，即完成了轉印之製程。由於轉印膜10包含有美耐皿，因此塑料30與轉印膜10之間的分離較佳而具有良好的離型效果。如此一來，使用者可藉由轉印設備20來製備塑料30，並且藉由選擇轉印膜10所具有的立體圖案121來設計塑料30的外觀。舉例來說，使用者可藉由選擇立體圖案121來設計塑料30的立體紋路300所具有的線條密度或者是紋路圖案，進而產生不同的視覺效果。 Finally, the plastic 30 is separated from the transfer film 10 (S205) (as shown in Fig. 6B), that is, the transfer process is completed. Since the transfer film 10 contains the melamine, the separation between the plastic 30 and the transfer film 10 is preferable and has a good release effect. In this way, the user can prepare the plastic 30 by the transfer device 20, and design the appearance of the plastic 30 by selecting the three-dimensional pattern 121 which the transfer film 10 has. For example, the user can select the three-dimensional pattern 121 to design the line density or the grain pattern of the three-dimensional texture 300 of the plastic 30, thereby generating different visual effects.
另一方面，由於轉印膜10的製備較為簡單，因此轉印塑料30的前置作業所需時間較短，因而可提升塑料30的生產效率。 On the other hand, since the preparation of the transfer film 10 is relatively simple, the time required for the front work of the transfer plastic 30 is short, so that the production efficiency of the plastic 30 can be improved.
根據上述本發明實施例所揭露的轉印膜、轉印設備及其轉印方法，由於轉印膜包含了美耐皿以及環氧樹脂，因而轉印膜可耐高溫並具有良好的離型效果以及較高之硬度。因此，在進行轉印時，轉印膜可重複使用，因而解決了先前技術中轉印製程所使用的膜片無法重複使用的問題。 According to the transfer film, the transfer device and the transfer method thereof disclosed in the above embodiments of the present invention, since the transfer film contains melamine and epoxy resin, the transfer film can withstand high temperature and has a good release effect. And higher hardness. Therefore, the transfer film can be reused at the time of transfer, thereby solving the problem that the film used in the transfer process of the prior art cannot be reused.
此外，由於本發明之轉印膜的製備較為簡單，因此轉印塑料的前置作業所需時間較短，因而可提升塑料的生產效率。 Further, since the preparation of the transfer film of the present invention is relatively simple, the time required for the transfer operation of the transfer plastic is short, so that the production efficiency of the plastic can be improved.
雖然本發明以前述之較佳實施例揭露如上，然其並非用以限定本發明，任何熟習相像技藝者，在不脫離本發明之精神和範圍內，當可作些許之更動與潤飾，因此本發明之專利保護範圍須視本說明書所附之申請專利範圍所界定者為準。 While the present invention has been described above in terms of the preferred embodiments thereof, it is not intended to limit the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The patent protection scope of the invention is subject to the definition of the scope of the patent application attached to the specification.
10‧‧‧轉印膜 10‧‧‧Transfer film
121‧‧‧立體圖案 121‧‧‧Three-dimensional pattern
20‧‧‧轉印設備 20‧‧‧Transfer equipment
22‧‧‧模具 22‧‧‧Mold
221‧‧‧第一模座 221‧‧‧ first mold base
222‧‧‧第二模座 222‧‧‧ second mold base
2220‧‧‧射料口 2220‧‧‧ shot mouth
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI604102B (en) * | 2017-01-13 | 2017-11-01 | Jin-Cheng Lin | Hot pressing forming method of embossed pattern on clothing |
| CN111721815A (en) * | 2020-06-18 | 2020-09-29 | 业成科技（成都）有限公司 | Touch device and curing rate detection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI604102B (en) * | 2017-01-13 | 2017-11-01 | Jin-Cheng Lin | Hot pressing forming method of embossed pattern on clothing |
| CN111721815A (en) * | 2020-06-18 | 2020-09-29 | 业成科技（成都）有限公司 | Touch device and curing rate detection method thereof |
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