200911517 九、發明說明： 【發明所屬之技術領域】 本發明是關於-種環保型金屬貼皮方法及其結構，可使用於 =產品外殼或建材的裝飾金屬表面，產衫縣_感、耐磨、 岔著性優良兼具視覺美觀效果之金屬板結構。 【先前技術】 目前金屬貼皮結構一般都含有PVC皮膜 料，工請皮膜的過程中，會因為加熱而產生有毒二 非％保珊料，且pVG皮膜—般都會添加可麵，時社久會有 可塑』釋Φ ’改變其原有的物料缺點，而若要有光滑耐磨的表 :則必須塗佈或接著另外-種材質之樹脂層，如：聚脂系樹脂層 口此如中華民國專利公告第4〇觀號發明專利案·「一種 ϋ 覆金屬板」，其主要特徵在於：「―金屬材質之基板上，依 曰σ塗料層、5〜1GQmm厚之變性烯烴樹脂層D、花樣或/及 M曰C接著層B、及5〜10〇mm厚之透明聚脂系樹脂薄 ⑶成之樹&被覆金屬板；層合樹脂的中間所設之變性烯烴樹 月曰曰’與印刷層、塗料層、聚脂系樹脂薄膜等的接著性優異，故 而即使在深沖等嚴苦Λ 下’構成層界面處的剝離也不會發生， 具優異之加工密著性。 "表面粗心或各構成層（樹脂層）的凹凸，係由變性 200911517 烯烴層所吸收，因此，作成 性，此種精i作為純被彳 1金屬板，謂得優異的鮮映 此種、、、口構的加卫方式其賴過程繁瑣'，又由兩_質 層組合，加工過程j 、 子月曰 係其主要缺失。 域性触有喊非環贿料， 有鑑於習見塗覆樹腊的金屬板片仍有上述缺 對該些缺點研究改進之道，終於有本發明之產生。人乃針 Γ、 【發明内容] 本發明旨在提供一種環保型金屬貼皮方法及其結構，其金屬 土板上塗I接著綱、—皮膜層，藉由聚氨崎賴接著劑層 結合，使該細層與金職板具有優㈣密著性，縣發明之! 要目的。 依本發明之此-環保型金屬貼皮方法及其結構，其中聚氨醋 材質本身具有優良的耐磨性，不同的表面觸感、耐磨、密著性優 〇良兼具美觀的功效，而此種聚氨醋樹醋材質單一化 屬環保材料，加工容易，為本發明之另一目的。^ :、、、達成上述目的’本發明之此—環保^金屬貼皮方法及其結 構’其主要包括：金屬基板、接著繼及賴層等部份，一金屬 ^覆接著劑層後再行烘烤，復將一由聚氨醋面層及聚氨醋 2 ^且成的皮膜層置於該接著劑層上，直接以滚輪滾壓使之結 -後冷卻成型’藉由聚氨g旨層^與接著綱結合，使該皮膜 ““金屬基板具有優良的密著性、耐磨之特性，且聚氨醋皮膜 200911517 層可產生多種表面觸感及視覺美觀效果之金屬貼皮結構。 至於本發明之詳細構造，運用原理與產生之功效則參照下列 依圖示之說明，即可達到完全之暸解： 【實施方式】 第1圖係本發明之成型方法流程圖，由該圖可以很明顯地看 出，本發明之加工流程主要包括：「塗佈接著劑」1〇、「烘烤加熱」 ζ 11、貼覆皮膜層」12、「滾壓結合」13、及「冷卻成型」14等步 驟；其中「塗佈接著劑」步驟10，係於一金屬基板1之至少一側 表面塗覆一層接著劑層2，而「烘烤加熱」步驟η，則係加熱該 接著劑層2至140〜210。(：之間，使該接著劑層2適當軟化，而「貼 覆皮膜層」12係將一皮膜層3 :此係由一聚氨酯底層31、聚氨酯 面層32依序層疊結合而成，將此皮膜層3貼覆在前述接著劑層2 上，而「滾壓結合」步驟13，則係藉由一鏡面滾輪，其溫度保持 Ο於至溫加熱至18〇t>c之間’將前述皮膜層3滾壓層合於該接著劑 層2上’又「冷卻成型」步驟14，則係冷卻該金屬貼皮使接著劑 層2及聚tj旨底層31、聚氨g旨面層％層合構成的皮膜層3與金屬 基板1得以密著結合。 清參閱第2圖’係本發明之結構剖面圖，由該圖可看出：本 發明主要結構包括：金屬基板丄、接著劑層2、及皮膜層3等部 伤’其中該金屬基板1為—金屬貼皮之基本材料，可為電鑛鋅鋼 板熱鍍鋅鋼板、冷軋鋼板、不銹鋼板、铭板、銘鎭合金及紹 200911517 锰合金、及/或其上經細處理過的金屬板材，依照*同用途而 選擇’如用在電子裂置殼體，一般以質輕強度佳之金屬叙板較適 當，接著劑層2成份可為聚賴脂、亞克力娜及聚氨醋樹脂， 如前所述’先以接著劑層2適當厚度塗覆於前述金屬基板丄之至 少-側表面，並加熱至14(rc〜則。c之間，使該接著_ 2適當 軚化，而皮膜層3更包括：一聚氨醋底層31、一聚氨醋面層犯 依序層#結合而成，使該皮膜層3貼置於接著劑層2上，以聚氨 〇酯底層3丨使與接著劑層2相接觸，復以一室溫加熱至180°^之間 的鏡面滚輪滾壓然後冷卻’使該皮膜層3藉接著劑層2與金屬基 板1密著結合。 上述皮膜層3中，由於聚氨酯面層32可依不同配方組成，及 製程不同而有不同的表面觸感（如：材質型態多變化、紋路、光 滑表面效果等），而聚氨酯底層31也可以用聚氨酯發泡層代替， 增加觸感，亦可用聚氨酯印刷層代替’使具有美觀的功效，而聚 (J 氨醋面層32或聚氨酯底層31也可加金屬粉末（如：铭粉等）、珠 光粉或顏料任何一種以上，來增加視覺美感，而金屬基板^與皮 膜層3中的聚氨酯底層31之間的接著劑層2，可使其具有穩定之 密著效果。 以下輔以實驗，說明本發明構造所能達成之功效： 實驗一： 200911517 在厚度為0· 5麵的鋁板上，塗佈21 之聚氨酯樹酯接著劑 層2，並烘烤金屬基板丄，至板溫為166它，由聚氨酯底層31為 印刷層作為底層、聚氨自旨面層32絲面光賴面層結合成的皮膜 層3，以鏡面滾輪滾壓，結果發現剝離強度為8. 52N/cm，皮膜 表面有優良的光滑性，百格試驗無任何祕產生，密著性良好。 實驗二： () 在厚度為〇. 8醒的鋁板上，塗佈32/zm聚氨醋樹醋的接著劑 層2 ’並烘烤金屬基板丄，至板溫為193t：，由聚氨醋底層3ι為 底層、聚氨醋面層32為添加銘粉，s表面有紋路的面層結合成的 皮膜層3 ’以加熱之鏡面滾輪滾壓後再給予冷卻，、结果發現剝離 強度為13. 82N/cm，皮膜表面有觸感及視覺美感，百格試驗無任 何剝落產生，密著性良好。 μ 由上述可知’本發日骑細金屬财方法及其結構確實具有 〇符合環保要求、加工簡易且皮膜層可有不同的表面觸感（如=材 質型態多變化、紋路、光滑表面效果等）、具有優良的密著性、耐 磨ί·生亦可產生美觀之功效，且皮膜層樹脂材料單一化，已具有 產業上之_性、新難及進步性，符合專利之要件，爰依絲 出發明專利f請，懇請_專利，實為感禱。 —惟以上所述者’僅為本發明之—較佳實施例而已，並非用來 限疋本發明之實絲圍，即凡依本發明巾請專利範_作之均等 200911517 改變或修飾，均應在本發明專利範圍所涵蓋，特先予以陳明。 【圖式簡單說明】 第1圖為本發明之成型方法流程圖。 第2圖為本發明之結構剖面圖。 【主要元件符號說明】 1......金屬基板 2……接著劑 3……皮膜層 31……聚氨酯底層 3 2......聚氨醋面層 10……塗佈接著劑 11……烘烤加熱 12……貼覆皮膜層 13……滾壓結合 14……冷卻成型200911517 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to an environmentally-friendly metal skinning method and structure thereof, which can be used for a decorative metal surface of a product casing or a building material, and is known for wearing and wearing A metal plate structure with excellent squatting and visual aesthetic effects. [Prior Art] At present, the metal veneer structure generally contains PVC film material. During the process of coating the film, it will produce toxic two non-% preservative materials due to heating, and the pVG film will be added to the surface. There is a plastic release Φ 'to change its original material shortcomings, and if there is a smooth and wear-resistant watch: it must be coated or followed by another kind of resin layer, such as: polyester resin layer mouth, such as the Republic of China Patent Publication No. 4 发明 发明 发明 发明 发明 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 「 Or / and M曰C followed by layer B, and 5 to 10 mm thick transparent polyester resin thin (3) into a tree & coated metal sheet; the denatured olefin tree in the middle of the laminated resin 'and Since the printing layer, the coating layer, and the polyester resin film are excellent in adhesion, even if the peeling at the interface of the constituent layer is not severe, such as deep drawing, the film is not peeled off, and the film has excellent process adhesion. Carelessness or unevenness of each constituent layer (resin layer) It is absorbed by the olefin layer of denatured 200911517. Therefore, it is a kind of pure 彳1 metal plate, which is excellent in the way of merging, and the method of garnishing the mouth is cumbersome. It is composed of two layers, the processing process j, and the sub-monthly system are mainly missing. The domain touches the non-circular bribe, and in view of the fact that the metal plate coated with the wax is still lacking the above-mentioned shortcomings to improve the research. The invention finally has the invention. The invention aims to provide an environment-friendly metal skinning method and a structure thereof, which are coated with a metal layer and a film layer. The combination of the polyurethane and the adhesive layer makes the fine layer and the gold plate have excellent (four) adhesion, and the invention is invented. The object of the invention is the environmentally friendly metal skinning method and the structure thereof, wherein the polyurethane The vinegar material itself has excellent wear resistance, different surface touch, wear resistance, adhesion and excellent appearance, and the singularity of the polyurethane vinegar is environmentally friendly material, and the processing is easy. Another object of the present invention. ^ :, ,, reach The object of the present invention is as follows: the metal substrate, the subsequent layer and the like, and the metal layer is coated with the adhesive layer and then baked. The polyurethane layer and the polyurethane layer are placed on the adhesive layer, and the roller is directly rolled to form a knot-post-cooling molding. The film "the metal substrate has excellent adhesion and wear resistance characteristics, and the polyurethane foam film 200911517 layer can produce a variety of surface touch and visual aesthetic effects of the metal skin structure. As for the detailed structure of the present invention, The principle of use and the effect of the production can be fully understood by referring to the following description of the drawings: [Embodiment] FIG. 1 is a flow chart of a molding method of the present invention, and it can be clearly seen from the figure that the present invention The processing flow mainly includes steps of "coating adhesive" 1", "baking heating" ζ 11, coating film layer 12, "rolling bonding" 13, and "cooling molding" 14; "Steps", step 10, tied to a gold At least one surface of the substrate 1 coated with adhesive layer 2, the "heating baking" step [eta], then the adhesive-based layer 2 was heated to 140~210. (: The adhesive layer 2 is appropriately softened, and the "coating layer" 12 is formed by laminating a film layer 3 in this order from a polyurethane underlayer 31 and a polyurethane surface layer 32. The film layer 3 is attached to the adhesive layer 2, and the "rolling and bonding" step 13 is performed by a mirror roller, and the temperature is maintained at a temperature of between 18 〇t > c. The layer 3 is rolled and laminated on the adhesive layer 2, and in the "cooling molding" step 14, the metal skin is cooled to laminate the adhesive layer 2 and the polylayer 31, and the polyurethane layer is laminated. The constituent film layer 3 and the metal substrate 1 are closely bonded. Referring to Figure 2, a cross-sectional view of the structure of the present invention, it can be seen from the figure that the main structure of the present invention includes: a metal substrate 丄, an adhesive layer 2 And the film layer 3 and other parts of the injury, wherein the metal substrate 1 is the basic material of the metal veneer, which can be an electrogalvanized steel plate hot-dip galvanized steel plate, cold-rolled steel plate, stainless steel plate, nameplate, Minghao alloy and Shao 200911517 manganese The alloy, and / or its finely treated metal sheet, shall be selected according to * for the same purpose. In the electronically spliced shell, it is generally suitable for the metal slab of light weight and good strength. The composition of the adhesive layer 2 can be polylysate, acryl or polyurethane resin, as described above. The thickness is applied to at least the side surface of the metal substrate, and is heated to between 14 (rc and then c, so that the subsequent layer 2 is appropriately deuterated, and the film layer 3 further comprises: a polyurethane bottom layer 31, A polyurethane layer is formed by combining layers, so that the film layer 3 is placed on the adhesive layer 2, and the bottom layer of the polyurethane layer is contacted with the adhesive layer 2, and the chamber is doubled. The mirror roller is heated to a temperature of 180° and then cooled and cooled. The film layer 3 is adhered to the metal substrate 1 by the adhesive layer 2. In the above film layer 3, the polyurethane surface layer 32 can be composed of different formulations. And the process has different surface touches (such as: material type change, texture, smooth surface effect, etc.), and the polyurethane bottom layer 31 can also be replaced by a polyurethane foam layer to increase the touch, or use a polyurethane printed layer. Instead of 'making it look good, and poly (J ammonia vinegar top 32 or The urethane bottom layer 31 may also be added with any one or more of a metal powder (such as: powder, pearl powder or pigment) to increase the visual aesthetic, and the adhesive layer 2 between the metal substrate and the polyurethane underlayer 31 in the film layer 3 It can be used to make it have a stable adhesion effect. The following can be used to demonstrate the effects of the structure of the present invention: Experiment 1: 200911517 Coating a polyurethane resin adhesive of 21 on an aluminum plate having a thickness of 0.5 mm Layer 2, and baking the metal substrate 丄, to a plate temperature of 166, the polyurethane underlayer 31 is a printed layer as a bottom layer, and the polyurethane layer 3 is a combination of the surface layer of the surface layer of the surface layer, with a mirror roller When rolled, it was found that the peel strength was 8.52 N/cm, and the surface of the film had excellent smoothness, and the Baige test did not produce any secret, and the adhesion was good. Experiment 2: () On an aluminum plate with a thickness of 〇. 8 awake, apply an adhesive layer 2' of 32/zm polyurethane vinegar and bake the metal substrate 丄 to a plate temperature of 193t:, from polyurethane The bottom layer 3I is the bottom layer, the polyurethane surface layer 32 is added with the powder, and the surface layer of the surface having the grain surface is combined with the film layer 3', which is rolled by the heated mirror roller and then cooled, and the peel strength is found to be 13. 82N/cm, the surface of the film has a tactile and visual aesthetic, and the Baige test has no peeling and good adhesion. μ From the above, we can see that the method of riding the fine metal and its structure does have the environmental requirements, the processing is simple, and the film layer can have different surface touches (such as = material type change, texture, smooth surface effect, etc.) ), has excellent adhesion, wear-resistant ί·sheng can also produce beautiful effects, and the film layer resin material is singular, has industrial _ sex, new difficulty and progress, in line with patent requirements, convert I have a patent for invention, please _ patent, it is a pray. - the above description is only for the preferred embodiment of the present invention, and is not intended to limit the invention of the present invention, that is, the equivalent of the invention of the invention, the equivalent of 200911517, It should be covered by the scope of the patent of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a flow chart of a molding method of the present invention. Figure 2 is a cross-sectional view showing the structure of the present invention. [Description of main component symbols] 1...metal substrate 2...adhesive agent 3...film layer 31...polyurethane underlayer 3 2...polyurethane surface layer 10...coating adhesive 11... Baking heating 12... Coating film layer 13... Rolling bonding 14... Cooling molding