TW202035141A - Transfer film manufacturing method, transfer film, and article using the same - Google Patents
Transfer film manufacturing method, transfer film, and article using the same Download PDFInfo
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本發明涉及一種可運用於真空轉印製程的轉印膜、使用該轉印膜的物品及該轉印膜的製造方法。The invention relates to a transfer film applicable to a vacuum transfer process, articles using the transfer film, and a manufacturing method of the transfer film.
於一物品表面形成用於提供視覺效果之裝飾表面,例如圖案表面、花紋表面、顏色表面或金屬光澤表面,已常見於各種物品,諸如行動電話、平板電腦、家電產品、車輛⋯⋯等等。該裝飾表面的形成方式目前採行者大致有電鍍、蒸鍍、噴塗、熱轉印、水轉印⋯⋯等方式,此外,亦有比較環保的真空轉印方式。Forming a decorative surface to provide visual effects on the surface of an object, such as a patterned surface, a patterned surface, a color surface or a metallic luster surface, has been commonly used in various objects, such as mobile phones, tablets, home appliances, vehicles, etc. The forming methods of the decorative surface currently generally include electroplating, evaporation, spraying, thermal transfer, water transfer, etc. In addition, there are also environmentally friendly vacuum transfer methods.
在真空轉印技術中,台灣第I647124號發明專利揭露一種需要加溼的轉印膜,該加溼的轉印膜的層次結構依序為聚乙烯醇膜(PVA膜)、由油溶性塗料形成的圖案層、由裝飾用塗料形成的裝飾層、油溶性固定層及紫外線活化劑層等五層,該紫外線活化劑層還滲透通過該裝飾層。其中,該加溼的轉印膜是在加熱至40~150℃的環境下抽真空及照射紫外線照射,以使該加溼的轉印膜覆貼於一物品表面,及使該紫外線活化劑層固化,然後撕去PVA膜,使得圖案層保留於該物品表面,形成高光澤度圖案。如此,該物品的層次結構由內而外就是物品本身、圖案層、裝飾層、油溶性固定層及固化的紫外線活化劑層。問題在於,使用這種習知轉印膜的物品的表面不會呈現鏡面效果,且該習知轉印膜的層次結構複雜(高達五層),還必需加溼而使製程複雜化。In the vacuum transfer technology, Taiwan Invention Patent No. I647124 discloses a transfer film that requires humidification. The layered structure of the humidified transfer film is a polyvinyl alcohol film (PVA film) and is formed of oil-soluble paint. There are five layers including the pattern layer, the decorative layer formed by the decorative paint, the oil-soluble fixed layer and the ultraviolet activator layer, and the ultraviolet activator layer also penetrates through the decoration layer. Wherein, the humidified transfer film is vacuumized and irradiated with ultraviolet rays under an environment heated to 40~150°C, so that the humidified transfer film is attached to the surface of an article, and the ultraviolet activator layer After curing, the PVA film is torn off, so that the pattern layer remains on the surface of the article to form a high gloss pattern. In this way, the hierarchical structure of the article is the article itself, the pattern layer, the decoration layer, the oil-soluble fixing layer and the cured ultraviolet activator layer from the inside to the outside. The problem is that the surface of the article using this conventional transfer film does not exhibit a mirror effect, and the conventional transfer film has a complicated hierarchical structure (up to five layers), and humidification is required to complicate the manufacturing process.
鑑於先前技術上述問題,本發明提供一種新的轉印膜,其包括:一紫外光反應層,其照射紫外光之後將會固化形成一透明硬化層;一塑膠膜,設於該紫外光反應層的一上表面,且能從該上表面撕離該紫外光反應層,其中,該塑膠膜的平均含水量的重量百分比小於或等於5%;及一透明黏著層,形成於該紫外光反應層的一下表面。其中,該塑膠膜可為一聚乙烯醇膜。在一實施例中,該塑膠膜厚度為30~100µm,該紫外光反應層厚度為10~20µm,該透明黏著層厚度為20~30µm。In view of the above-mentioned problems of the prior art, the present invention provides a new transfer film, which includes: an ultraviolet light reaction layer, which will be cured to form a transparent hardened layer after being irradiated with ultraviolet light; and a plastic film arranged on the ultraviolet light reaction layer The upper surface of the UV light reaction layer can be torn from the upper surface, wherein the average water content of the plastic film is less than or equal to 5% by weight; and a transparent adhesive layer is formed on the UV light reaction layer The lower surface. Wherein, the plastic film can be a polyvinyl alcohol film. In one embodiment, the thickness of the plastic film is 30-100 μm, the thickness of the ultraviolet light reaction layer is 10-20 μm, and the thickness of the transparent adhesive layer is 20-30 μm.
本發明還提供一種物品,該物品具有一高光金屬鏡面表面,且包括取自於上述之轉印膜中的該透明黏著層及由該紫外光反應層所固化形成的該透明硬化層,該透明黏著層黏於該高光金屬鏡面表面。The present invention also provides an article having a high-gloss metal mirror surface and comprising the transparent adhesive layer taken from the above transfer film and the transparent hardened layer formed by curing the ultraviolet light reaction layer, the transparent The adhesive layer is adhered to the high-gloss metal mirror surface.
本發明也提供另一種轉印膜,其包括一紫外光反應層,其照射紫外光之後將會固化形成一透明硬化層;一塑膠膜,設於該紫外光反應層的一上表面,且能從該上表面撕離該紫外光反應層,其中,該塑膠膜的平均含水量的重量百分比小於或等於5%;一高光金屬鏡面層,形成於該紫外光反應層的一下表面;及一黏著層,形成於該高光金屬鏡面層的一下表面。其中,該塑膠膜可為一聚乙烯醇膜。在一實施例中,該塑膠膜厚度為30~100µm,該紫外光反應層厚度為10~20µm,該黏著層厚度為20~30µm;其中,該塑膠膜最厚度,該高光金屬鏡面層最薄。The present invention also provides another transfer film, which includes an ultraviolet light reaction layer, which will be cured to form a transparent hardened layer after being irradiated with ultraviolet light; a plastic film is arranged on an upper surface of the ultraviolet light reaction layer and is capable of Tear the ultraviolet light reaction layer from the upper surface, wherein the average water content of the plastic film is less than or equal to 5% by weight; a high-gloss metal mirror layer formed on the lower surface of the ultraviolet light reaction layer; and an adhesive The layer is formed on the lower surface of the high-gloss metal mirror layer. Wherein, the plastic film can be a polyvinyl alcohol film. In one embodiment, the plastic film has a thickness of 30-100 µm, the ultraviolet light reaction layer has a thickness of 10-20 µm, and the adhesive layer has a thickness of 20-30 µm. Among them, the plastic film is the thickest and the high-gloss metal mirror layer is the thinnest .
本發明更提供另一種物品,該物品具有一表面,且包括取自於該另一種轉印膜中的該黏著層、該高光金屬鏡面層、及由該紫外光反應層所固化形成的該透明硬化層,該黏著層黏於該表面。The present invention further provides another article, which has a surface and includes the adhesive layer, the high-gloss metal mirror layer, and the transparent formed by curing the ultraviolet light reaction layer from the other transfer film Hardened layer, the adhesive layer adheres to the surface.
此外,本發明另提供一種轉印膜製造方法,包括:提供一塑膠膜;對該塑膠膜進行一乾燥作業,用以降低該塑膠膜的含水量;及在經過該乾燥作業的該塑膠膜上製作多個層,該些層包括一黏著層及一紫外光反應層,該紫外光反應層位於該塑膠膜與該黏著層之間,且照射紫外光之後將會固化形成一透明硬化層。In addition, the present invention also provides a method for manufacturing a transfer film, including: providing a plastic film; performing a drying operation on the plastic film to reduce the water content of the plastic film; and applying the drying operation on the plastic film A plurality of layers are produced, and the layers include an adhesive layer and an ultraviolet light reaction layer. The ultraviolet light reaction layer is located between the plastic film and the adhesive layer, and will be cured to form a transparent hardened layer after being irradiated with ultraviolet light.
在一實施例中,本發明上述方法所述及的該些層係包括一高光金屬鏡面層,該高光金屬鏡面層位於該紫外光反應層與該黏著層之間。In one embodiment, the layers mentioned in the above method of the present invention include a high-gloss metal mirror layer, and the high-gloss metal mirror layer is located between the ultraviolet light reaction layer and the adhesive layer.
在一實施例中,本發明上述方法所述及的該塑膠膜係為一聚乙烯醇膜。In one embodiment, the plastic film mentioned in the above method of the present invention is a polyvinyl alcohol film.
本發明上述方法所製造出來的轉印膜,其結構已如上述,容不贅述。The structure of the transfer film manufactured by the above-mentioned method of the present invention is as described above, and will not be repeated.
相對於先前技術,使用本發明之上述轉印膜的物品可呈現高光近乎鏡面、甚至達到鏡面之效果,解決使用習知轉印膜的物品沒有呈現鏡面效果的問題。再者,本發明上述轉印膜的層次結構簡單,也不需要加溼,足以解決先前技術的上述問題。Compared with the prior art, the article using the above transfer film of the present invention can present a high-gloss almost mirror surface, or even achieve a mirror surface effect, which solves the problem that the article using the conventional transfer film does not exhibit a mirror surface effect. Furthermore, the layered structure of the transfer film of the present invention is simple and does not require humidification, which is sufficient to solve the above-mentioned problems of the prior art.
圖1示意性地顯示一轉印膜1的部分斷面結構,該轉印膜1為本發明的一個較佳實施例,其包括一塑膠膜11、一紫外光反應層12及一透明黏著層13。其中,該塑膠膜11設於該紫外光反應層12的一上表面,且能從該上表面撕離該紫外光反應層12。該透明黏著層13形成於該紫外光反應層12的一下表面。更詳而言之,該塑膠膜11是最厚的一層,較佳厚度約為30~100µm,且較佳是一聚乙烯醇膜(PVA膜),但不以此為限。該紫外光反應層12厚度較佳約為10~20µm,它被照射適當能量的紫外光之後,會固化變成圖6中的一透明硬化層12a。該透明黏著層13的較佳厚度約為20~30µm,該透明硬化層12a係藉由該透明黏著層13而黏貼於圖6中的一物品5的一表面51。在此實施例中,該表面51係為一高光金屬鏡面表面,但不以此為限。該高光金屬鏡面表面的顏色可選擇黃金色、白金色、鉻色或銀色,但不此為限。該高光金屬鏡面表面可以是整面的,也可以是多個彼此有微小間隙的點或區域所構成的面,這個面肉眼看起來是一完整面,但在微觀下各點或各區域之間是在間隙的。該高光金屬鏡面表面可選用蒸鍍、非導電真空鍍膜方式(NCVM)、陽極處理或電鍍方式來形成,但不以此為限。Fig. 1 schematically shows a partial cross-sectional structure of a
該塑膠膜11需先進行一乾燥作業,用以去除該塑膠膜11本身的水份,藉以降低該塑膠膜11的含水量,在此實施例中,該塑膠膜11的平均含水量的重量百分比較佳是小於或等於5% ,更佳是小於或等於3%,然後,再於經過該乾燥作業的塑膠膜11上製作上述紫外光反應層12及透明黏著層13。前述的乾燥作業可選用熱壓方式,但也可以選擇其它方來進行該乾燥作業,藉以儘量去除該塑膠膜11的水份,以使該塑膠膜11的表面儘可能平坦。未經乾燥作業的塑膠膜11,通常會因為含水量高而導致其表面於微觀下出現不平坦的問題,這個問題會影響最後製成的轉印膜品質,轉印膜品質則影響使用轉印膜的物品表面呈現效果。而經過該乾燥作業的塑膠膜11的表面則相對較為平坦,以此為基底所製成的轉印膜1的品質相對較佳。其中,前述熱壓方式可如圖2所示,以一對或多對輪面是平的熱輥輪10對該塑膠膜11進行熱壓,熱壓的溫度大約60~120℃,但不以此為限。The
再者,該塑膠膜11最後將被從該紫外光反應層12撕離(容後再述),為使該塑膠膜11易於撕離,該塑膠膜11較佳是具備離型能力,例如,選擇本身具備良好離型特性的塑膠材料來製作該塑膠膜11 ,或是於該塑膠膜11相對於該紫外光反應層12之面形成一離型層(圖中未示),此時離型層位於該塑膠膜11與該紫外光反應層12之間,該離型層的厚度較佳約10-15µm。Furthermore, the
圖3~5用於協助說明本發明之轉印膜1使用於一真空轉印製程,圖中顯示兩個物品5,以僅就其中一物品5來作說明。首先,如圖3所示,將該物品5固定於一昇降台31上的治具32。該物品5可為金屬品或非金屬品,例如由鋁、塑膠、玻璃、木頭、皮料、布料、玻璃纖維、或碳纖維所製成的各種製品等等,在此實施例中,該物品5是一手機外殻,但不以此為限。該昇降台31的上方有一張本發明之轉印膜1,該轉印膜1已藉由夾具6夾住其週邊。該昇降台31具有多個貫穿上、下台面的細孔(圖中未示),且該昇降台31、該轉印膜1及位於該轉印膜1上方的一加熱裝置4均位於同一真空艙室2內。其中,該加熱裝置4係對該轉印膜1加熱,以使該轉印膜1軟化而易於被拉伸延展。在此實施例中,該透明黏著層13係選用熱熔膠,故該加熱裝置4同時也可提供該透明黏著層13所需要的熱能。然而,該透明黏著層13也可選用其它種類的黏膠,例如紫外光固化黏膠。FIGS. 3 to 5 are used to help illustrate the use of the
接著,如圖4所示,上昇該昇降台31以使該物品5頂抵於該轉印膜1,然後,如圖5所示開始對該真空艙室2的下半部抽真空(圖中箭頭表示抽真空時的氣流流動方向),使得該轉印膜1緊緊覆貼於該物品5的該表面51,此時,該轉印膜1已藉由該透明黏著層13而牢固地黏接於該表面51。Next, as shown in FIG. 4, the
之後,停止抽真空,再以紫外光燈(圖中未示)對該物品5上的該轉印膜1照射紫外光,以使該紫外光反應層12固化變成圖6中的透明硬化層12a。然後,撕掉該塑膠膜11 ,就得到具有該透明硬化層12a的該物品5,一如圖6所示。After that, the vacuuming is stopped, and the
由於該紫外光反應層12及透明黏著層13是形成於經過乾燥作業的塑膠膜11的平坦表面上,因此,製作出來的該紫外光反應層12及黏著層13都會相當的平,以致於這兩層在以上述製程轉移到該物品5之後,該物品5的該表面51(高光金屬鏡面表面)雖隔著該透明硬化層12a及透明黏著層13,但仍能提供很好的反射效果(圖7~8 所示),亦即,該物品5的表面51呈現高光近乎鏡面、甚至達到鏡面之效果。其中,圖7~9顯示本發明之轉印膜1的該紫外光反應層12及透明黏著層13轉移到一手機外殻的背面的相片,該背面為銀色高光金屬鏡面表面,該紫外光反應層12已固化變成一透明硬化層,其中,每一張相片左邊顯示該手機外殻的一部分及映射形成其上的映像,右邊則為該映像所對應的實物。Since the ultraviolet
此外,圖10顯示本發明的另一種轉印膜1’包括一塑膠膜11’、一紫外光反應層12’、一黏著層13’及一高光金屬鏡面層14’。 其中,該塑膠膜11’設於該紫外光反應層12’的一上表面,且能從該上表面撕離該紫外光反應層12’,該高光金屬鏡面層14’ 形成於該紫外光反應層12’的一下表面,該黏著層13’形成於該高光金屬鏡面層14’的一下表面。In addition, FIG. 10 shows that another transfer film 1'of the present invention includes a plastic film 11', an ultraviolet light reaction layer 12', an adhesion layer 13' and a high-gloss metal mirror layer 14'. Wherein, the plastic film 11' is provided on an upper surface of the ultraviolet light reaction layer 12', and the ultraviolet light reaction layer 12' can be peeled from the upper surface, and the high-gloss metal mirror layer 14' is formed on the ultraviolet light reaction layer 12' The lower surface of the layer 12', the adhesive layer 13' is formed on the lower surface of the high-gloss metal mirror layer 14'.
該塑膠膜11’與紫外光反應層12’對應相同於上述塑膠膜11與紫外光反應層12 。在該塑膠膜11’有離型層(圖中未示)的情況一下,該離型層是位於該塑膠膜11’與紫外光反應層12’之間。該黏著層13’可相同於該透明黏著層13,但也可選擇非透明的其它黏膠。該高光金屬鏡面層14’的顏色可選擇黃金色、白金色、鉻色或銀色,但不此為限。該高光金屬鏡面表面可選用蒸鍍、非導電真空鍍膜方式(NCVM)、陽極處理或電鍍方式來形成,但不以此為限。The plastic film 11' and the ultraviolet light reaction layer 12' correspond to the same as the
如圖11所示,該另一種轉印膜1’同樣可藉由上述真空轉印製程而將該紫外光反應層12’、高光金屬鏡面層14’ 及 黏著層13’轉移到一物品5’的一表面51’,其中,該物品5’上的一透明硬化層12a’是該紫外光反應層12’被照射紫外光之後所固化形成的。由於該塑膠膜11’同樣是先經過上述乾燥作業,故該另一種轉印膜1’的各層都相當的平,以致於該紫外光反應層12’、高光金屬鏡面層14’ 及 黏著層13’轉移到一物品5’的表面51’之後,該物品5’能藉由該高光金屬鏡面層14’ 與該透明硬化層12a’呈現出高光近乎鏡面、甚至達到鏡面之效果。As shown in FIG. 11, the other transfer film 1'can also transfer the ultraviolet light reaction layer 12', the high-gloss metal mirror layer 14' and the adhesive layer 13' to an article 5'by the above-mentioned vacuum transfer process. A surface 51' of the object 5', wherein a transparent
1、1’:轉印膜
11、11’:塑膠膜
12、12’:紫外光反應層
12a、12a’:透明硬化層
13、13’:透明黏著層
14’:高光金屬鏡面層
10:熱輥輪
31:昇降台
32:治具
4:加熱裝置
5、5’:物品
51、51’:表面
6:夾具
1, 1’:
圖1顯示本發明之轉印膜的斷面示意圖。
圖2顯示本發明之轉印膜的一塑膠膜11在進行乾燥作業的示意圖。
圖3~5顯示本發明之轉印膜使用於一真空轉印製程的示意圖。
圖6顯示一真空轉印製程使用本發明之轉印膜所產出的一物品5的斷面示意圖及其放大圖。
圖7~9顯示使用本發明之轉印膜的一手機外殻的相片,用以顯示從該轉印膜所得到的高光鏡面效果。
圖10顯示本發明之另一轉印膜的斷面示意圖。
圖11顯示該真空轉印製程使用本發明之另一轉印膜所產出的一物品5a的斷面示意圖及其放大圖。Figure 1 shows a schematic cross-sectional view of the transfer film of the present invention.
FIG. 2 shows a schematic diagram of a
1:轉印膜 1: transfer film
11:塑膠膜 11: Plastic film
12:紫外光反應層 12: UV light reaction layer
13:透明黏著層 13: Transparent adhesive layer
Claims (12)
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TW108109883A TW202035141A (en) | 2019-03-21 | 2019-03-21 | Transfer film manufacturing method, transfer film, and article using the same |
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TW108109883A TW202035141A (en) | 2019-03-21 | 2019-03-21 | Transfer film manufacturing method, transfer film, and article using the same |
Publications (1)
Publication Number | Publication Date |
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TW202035141A true TW202035141A (en) | 2020-10-01 |
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TW108109883A TW202035141A (en) | 2019-03-21 | 2019-03-21 | Transfer film manufacturing method, transfer film, and article using the same |
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TW (1) | TW202035141A (en) |
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2019
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