479149 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明（I ) 【發明之應屈範疇】 本發明是關於一種隱形眼鏡鏡片之施色方法及冥鏡片’特別 是關於一種在隱形眼鏡鏡片上形成嵌入顏料層之方法’以及依此 方法製備之鏡片。 【發明之背景】 隱形眼鏡是一種生后上極爲方便之視力矯正裝置。尤其對息 有近視的人而言，爲增進美觀，免除配戴一般眼鏡的麻煩，常常 需要配戴隱形眼鏡。 一種可以大量生產隱形眼鏡鏡片的技術，通稱爲 「spincasting」（旋模成型），是由捷克之 CeskoslovenskaAkademie Ved在1961年新發展出來，並獲得美國第3,660,545號尋利檜。 該技術因多年來不斷改進，而成爲業界常岳之隱形眼鏡製造方法。 由於便周多元體（polymer)作爲鏡片材料，並以大量生產降低成 本，使得「拋棄式」鏡片大爲流行。時至今日，隱髟眼鏡除了提 ί共清正功能之外，並且也成爲一彳重裝飾品3 中華民國專利第79，109,206號即是有關一種「具有極自然外 觀之有色隱形眼鏡」（Colored Contact Lens Having Very Natural Apperance)，該發明揭示一;S彩色隱髟眼鏡之鏡片，鏡片之紅膜 區上塗有不同顏色之顏料，並形成不同之圖髟，使=者配戴之後， 其虹膜可呈現「自然的」色彩。 上述及其饱有關之發明均試圖砑製可以使眼球呈現不同顏色 之彩色鏡片。唁黑論伺*者，冥方法均包括製備一植琢數楦顏料’ 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） ---VI---------------訂---------線 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 479149 A7 B7 五、發明說明（) 再將顏料印在鏡片之凸面上’形成特定之圖形（pattern)。如顏 料有兩種以上，則需依序將顏料重疊或不重疊印在鏡片上。如此 形成之有色隱形眼鏡，具有凸出之顏料層，有時顏料層之厚度爲 單一顏料層之數倍。 利兩上述習周技術製成之有色鏡片’配戴到fe用者之眼球之 後，雖然顏料層厚度極薄（約爲〇.olmm到a05mm左右），使用 者仍然可能感到異狀。吾者，在習周技術中揭示之顏料，爲避免 對眼睛造成化學性侵害，一般均使思無機物之礦石（例如T〇2) ° 雖然該礦石顏料之粒徑一般規格在5 V m以下，但因眼瞼之磨擦’ 仍可能呈片狀掉落’而有對眼球產生物理性傷害之虞。 因此目前必須有一植新穎的隱形眼鏡鏡片之施色方法，該万 法可以對隱形眼鏡之鏡片施色’而製成彩色隱形眼鏡。 同時也必須有一種新穎的隱形眼鏡纟見片之施色方伝’依該方 法製成之鏡片無凸岀之顏料層。 同時也必須有一種無凸岀顏料層之彩色隱形眼鏡鏡片。 【發明之目的】 本發明之目的在提供一種新穎的隱形眼鏡施色方法，可以製 成無凸出顏料層之彩色隱形眼鏡。 本發明之目的也在提供一種具有嵌入顏料層之彩色隱彤眼鏡 鏡片。 ' 本發明之目的也在提供一種適合上述目的之顏料組成物。 【發明之簡述】 依據本發明之隱形眼鏡之施色方法，顏料層係先塗敷於一模 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱） ^----------------訂-------—線 (請先閱讀背面之注意事項再填寫本頁) 479149 A7 B7 五、發明說明（}) (請先閱讀背面之注意事項再填寫本頁) 具上，形成反面圖形，再於模具上滴入鏡片材料，以一定速度旋 轉該模具，使鏡片形成所欲之曲率表面+，而予固化’製成具有嵌 入顏料層之彩色隱髟眼鏡。在本發明的鏡片中，顏料係嵌入於鏡 片內部，無對眼球造成損傷之虞。本發明並揭示適合上述製程之 顏料配方及依該方法製成之鏡片。 •上述及其他本發明之目的及優點，可白以下詳細說明，並參 照下列圖式而更形淸楚。 【圖式之說明】 第1圖表示本發明隱彫眼鏡之施色方法流程圖。 第2圖（a) (b) (C)分別表示本發明隱彩眼鏡之施色方法 各階段之示意圖。 【發明之詳細說明】 在習周技術中，隱形眼鏡之鏡片通常是利后高分子聚合物製 成。常見的鏡片材料包括曱基丙烯酸經乙酯(hydroxyethyl methacrylate-HEMA)。至於適局之顏料是顏料舆分散劑，反應齊1] 及結合劑之組成物。如杲顏料必須嵌入在鏡片之內，則在製作時 必須考慮之因素包括： 經濟部智慧財產局員工消費合作社印製 1·將顏料嵌在鏡片之內，使屈時不易逸岀，必須使顏料組成物 對鏡片之附著力夠大且能維持長時間。 2.在製作完成後，進行水化脫模時，必須能夠脫得乾淨，不將 顏料殘留在模具上，造成破損。因此顏料於脫模當時對鏡片之附 著力也必須夠大。但是， .3.在進行旋模加工或壓模加工時，顏料舆模具之附著力必須夠 本紙張尺度適用中國國家標準（CNS)A4規格（21〇 X 297公爱） 479149 A7 B7 五、發明説明（牛） 大，以免在旋模之高剪力下，顏料被鏡片原料帶走，造成模糊之 圖型。 上述1、2與3兩者之間，顯然形成矛盾。 雖然不欲爲任何理論所拘束，但本發明人發現，如果利用適 當的顏料組成物配方，則可以調製成加工時可以牢固附著在模具 上，但加工完成後可以完整脫模，且可在長期使用下，仍能牢固 附著在鏡片上之顏料。利用此種顏料組成物，即可實現本發明之 技術。 以下說明本發明之實施例。 製作本發明之隱形眼鏡鏡片時，首先製備一適用之顏料組成 物。本發明之顏料組成物是包括顏料、分散劑及結合劑。 適用在本發明之分散劑（dispersing agent)包括丙嫌酸樹月旨 C acrylic resin)之單體，以及其他適合作爲顏料分散劑之材料， 例如：甲基丙烯酸羥乙酯(HEMA)，甲基丙烯酸羥丙酯(HPMA)，甲基 丙烯酸甲酯(壓克力單體XMethyl methacrylate-MMA)、甲基丙烯酸甘油 酯(Glyceryl methacrylate，GMA)等。 適用本發明之結合劑(binding pdimer)包括：HEMA(同前）， EOEMA(2-ethoxyethyl methacrylate)，MAA(methyl acrylic acid 甲基 丙締酸）’ IPA(isopropanol異丙醇)及環戊酮(cyclopentanone)等。結 合劑之功闱在使鏡片原料配方與原料配方產生氫鍵，而另一方面 在加工時使顏料與模具(例如PVC模)在UV燈之照射下產生相當 之凡德瓦力(Van derWaals’ forces)，使顏料在加工期間中附著在 pvc模表面，不致於脫落或被鏡片原料溶解。 本纸疾尺度適用中國國家標孪（CNS ) A4規格（2丨0:<297公釐） 請. 先， 閲 讀 背r 之 注 意 事 項 再479149 Printed by A7 B7, Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the Invention (I) [Scope of Intolerance of the Invention] The present invention relates to a method for applying color to a contact lens and a spectacle lens, especially to a contact lens. A method of forming an embedded pigment layer on a lens' and a lens prepared by this method. [Background of the Invention] Contact lenses are an extremely convenient vision correction device after birth. Especially for those who are short-sighted, contact lenses are often needed to improve the appearance and avoid the trouble of wearing ordinary glasses. A technology that can mass produce contact lens lenses, commonly known as "spincasting" (spincasting), was newly developed by Ceskoslovenska Akademie Ved in the Czech Republic in 1961, and was awarded US 3,660,545 for profit. Due to continuous improvement over the years, this technology has become the contact lens manufacturing method of Changyue in the industry. Due to the use of polymer as a lens material and the cost reduction through mass production, "disposable" lenses have become popular. Today, in addition to improving the function of total cleansing, the concealed glasses have also become a heavy ornament. 3 The Republic of China Patent No. 79,109,206 is about a "colored contact lens with a very natural appearance". Lens Having Very Natural Apperance), the invention discloses a lens of S color concealed spectacles. The red film area of the lens is coated with pigments of different colors and forms different pictures. After wearing, the iris can show " "Natural" colors. The above and related inventions all try to make colored lenses that can make the eyeballs show different colors. For the black hessian, the methods include the preparation of a phytoplankton pigment. The paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) --- VI -------- ------- Order --------- line (please read the notes on the back before filling this page) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 479149 A7 B7 V. Description of Invention () Then the pigment is printed on the convex surface of the lens to form a specific pattern. If there are more than two pigments, the pigments need to be printed on the lens with or without overlap. The colored contact lens thus formed has a protruding pigment layer, and sometimes the thickness of the pigment layer is several times that of a single pigment layer. After the colored lenses made by the above two techniques are worn on the eyes of fe users, although the thickness of the pigment layer is extremely thin (approximately 0.1 mm to a05 mm), users may still feel abnormal shapes. We, the pigments disclosed in Xizhou technology, in order to avoid chemical damage to the eyes, generally think of inorganic minerals (such as T〇2) ° Although the particle size of the mineral pigment is generally less than 5 V m, However, due to the friction of the eyelids, 'they may still fall off in flakes', there is a risk of causing physical damage to the eyeballs. Therefore, at present, there must be a new method for coloring contact lenses, which can be used to color the lenses of contact lenses to make colored contact lenses. At the same time, there must also be a novel contact lens (coloring method for see-through lenses), a lens-free pigment layer made by this method. At the same time, there must be a colored contact lens lens without a convex pigment layer. [Objective of the Invention] The object of the present invention is to provide a novel method for applying color to a contact lens, which can produce a color contact lens without a protruding pigment layer. The object of the present invention is also to provide a colored spectacle lens with an embedded pigment layer. The object of the present invention is also to provide a pigment composition suitable for the above purpose. [Brief description of the invention] According to the color application method of the contact lens of the present invention, the pigment layer is first coated on a mold paper with the size applicable to the Chinese National Standard (CNS) A4 (210 X 297 public love) ^ ---- ------------ Order --------- Line (Please read the precautions on the back before filling this page) 479149 A7 B7 V. Invention Description (}) (Please read the back first Note on this page, please fill in this page again) to form the reverse figure, and then drop the lens material on the mold, rotate the mold at a certain speed to make the lens form the desired curvature surface +, and pre-cured 'made with embedded pigment Layers of color concealed glasses. In the lens of the present invention, the pigment is embedded in the lens and there is no risk of causing damage to the eyeball. The invention also discloses a pigment formula suitable for the above process and a lens made by the method. • The above and other objects and advantages of the present invention can be described in more detail below, and further improved with reference to the following drawings. [Explanation of the drawing] Fig. 1 shows a flow chart of a color applying method of the hidden engraved glasses of the present invention. Fig. 2 (a) (b) (C) is a schematic diagram showing each stage of the color application method of the concealed glasses of the present invention. [Detailed description of the invention] In the technology of Xi Zhou, the lenses of contact lenses are usually made of high molecular polymers. Common lens materials include hydroxyethyl methacrylate-HEMA. As for the suitable pigment, it is a composition of pigment dispersant, reaction 1] and binding agent. If the pigment must be embedded in the lens, the factors that must be considered during production include: Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs1. The pigment is embedded in the lens, making it difficult to escape when bent, and the pigment must be The adhesion of the composition to the lens is large enough and can be maintained for a long time. 2. After the production is completed, when performing hydration demolding, it must be able to be removed cleanly, so that pigments are not left on the mold, causing damage. Therefore, the adhesion of the pigment to the lens at the time of mold release must also be sufficient. However, .3. In the process of rotary mold or compression mold processing, the adhesion of the pigment mold must be sufficient. The paper size applies the Chinese National Standard (CNS) A4 specification (21〇X 297 public love) 479149 A7 B7 V. Invention Note (big), so as to avoid the pigments being taken away by the lens material under the high shear force of the rotary mold, resulting in a fuzzy pattern. There is obviously a contradiction between the above 1, 2 and 3. Although not intending to be bound by any theory, the inventors have found that if an appropriate pigment composition formula is used, it can be prepared to be firmly attached to the mold during processing, but can be completely demoulded after processing and can be used for a long period of time. Under use, the pigment can still firmly adhere to the lens. With such a pigment composition, the technology of the present invention can be realized. Examples of the present invention will be described below. When making the contact lens of the present invention, a suitable pigment composition is first prepared. The pigment composition of the present invention includes a pigment, a dispersant, and a binder. Dispersing agents suitable for use in the present invention include monomers of C acrylic resin, and other materials suitable as pigment dispersants, such as: hydroxyethyl methacrylate (HEMA), methyl Hydroxypropyl acrylate (HPMA), methyl methacrylate (acrylic monomer XMethyl methacrylate-MMA), glyceryl methacrylate (GMA), and the like. Binding agents applicable to the present invention include: HEMA (same as above), EOEMA (2-ethoxyethyl methacrylate), MAA (methyl acrylic acid), IPA (isopropanol) and cyclopentanone ( cyclopentanone) and so on. The function of the binding agent is to generate hydrogen bonding between the lens raw material formula and the raw material formula, and on the other hand, the pigment and the mold (such as PVC mold) generate a considerable Van der Waal 'under the irradiation of UV light during processing. forces), so that the pigment adheres to the surface of the PVC mold during processing and will not fall off or be dissolved by the lens material. This paper applies the Chinese National Standard (CNS) A4 specification (2 丨 0: < 297 mm). Please read the notes and notes on r first.
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經濟部中夬樣準局員工消費合作社印$L 479149 經濟部智慧財產局員工消費合作社印製 ~~0說明本發明隱胗眼鏡之施色方法之流程。第1圖爲本發 明隱形眼鏡鏡片之施色方法一實施例之流程圖。第2圖（a )(b) (c)分別表示其各階段之示意圖。 A7 _______B7_____ 五、發明說明（f ) 上述成份與顏料組成適用於本發明之顏料組成物。適用本發 明之顏料則包拮個種市售之產品。在本發明中，顏料組成物可以 依不同需要加以組成。表一顯示適用於本發明之顏料組成物之成 '分及比例’可作爲參考。其他成份及組成也可適用在本發明，而 得到類似效果。 表1 用量比例 色系 原料 Crystal blue Jade Green Violet Cappuccino or Hazel Pearl Gray Rutile TA (C.I. pigment white 6) 20 〜40% 15 〜35% 20 〜45〇/〇 0-20% 25 〜3 5% Phtalocyanine Blue (C.I. pigment Blue 15:4) 3 〜15% 1〜8% Phtalocyanine Green (C.I. pigment Green 7) 15 〜35% Dioxazin Violet (C.I. pigment Violet 23) 3-10% Iron Oxide (C.I. pigment Yellow 42) 0〜5% 10 〜30% (C.I. pigment Brown) 4 〜20% 3〜1〇％ 結合劑 50 〜75% 鏡片材料單體 5 〜25% 增稠劑 1〜8% 如圖所示，於製備本發明之隱形眼鏡鏡片時，首先於（101) 7 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） ,Ί, --------t------------ (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 479149 A7 B7 五、發明說明（4) 製備一顏料組成物，其次，於（102)利用任丨可適周之方法，將顏、 料組成物（2 )施於一預先製備之模具（1 )上，並在模具（1 )之 內表面形成反面圖案（2)。適用之施色方法包括二次轉寫或一次 轉寫。至於所施用之顏色及圖案，也不限於一種，但通常施用之 顏色及圖案均在三種以下。但超過三種，亦無不可。第2圖（a) 即表示在模具上形成圖案後之截面圖。 接著，於（103 )在模具（1)內滴入隱形眼鏡鏡片液體材料 (3)。在應周上，模具（1)是以聚氯乙烯（PVC)製成，具有 一凹入之球面或非球面，但以其他材料或形狀形成者，亦可適周。 眼鏡鏡片材料（3 ) —如前述，包括HEMA。但其他材料也可適 周。有時在應用上’在倒入鏡片材料（3)前，先對該顏色圖樣加 工，也屬可行。 之後在（104)旋轉該模具（1 )，使鏡片材料（3 )因離心 力及聚合力之牽引而形成特定之曲率表面。待速度到達所需之後， 於（105 )開啓上方之紫外線（UV )燈（4 )，照射該鏡片材料⑶， 促其固化。其情形如第2 (b)圖所示。 模具（1)旋轉約2-6分鐘後’停止旋轉模具（丨）並關閉uv 燈（4)。於（106)將模具（1)連同其上之鏡片（3)移往退火 室進行退火。退火時通常可以利用UV燈（4)照射，以消除加工 所產生之應力’並使鏡片（3 )完全反應成型。於〇〇7 )將鏡片（3 ) 修邊，完成製作。 如此完成之鏡片（3)連同模具（2)保存備周。使周時以蒸 藍水施加在鏡片（3)上’待鏡片（3)吸水飽和之後，即可輕易 8 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱） /'---^----------------訂------,---線---7 (請先閱讀背面之注意事項再填寫本頁) 479149 A7 _ B7_ 五、發明說明（ΐ ) 進行脫模，取出鏡片（3)而完成水化(hydration)程序。完成之鏡 片截面圖如第2 (Ο圖所示。 【發明之效杲】 將完成之鏡片切割後，在顯微鏡下觀察其切面’可以看出其 顏料層嵌在鏡片內，表面線條完整無缺痕；顏料與鏡片之界面平 整，無昏曇。 另將脫模後之模具置於顯微鏡下觀察’亦發現其表面乾淨’ 並無顏料或鏡片之殘片。 本發明之隱形眼鏡鏡片之施色方法不但適周於上述旋模製 法，也可適周於壓模式及其他隱形眼鏡之製法，得到類似之效杲。 以上是對本發明隱形眼鏡鏡片之施色方法及其鏡片實施例之 說明。習於斯藝之人士不難由上述之說明，明瞭本發明之精神’ 進而作出不同的衍伸與變化。唯只要不超出本發明之精神’均應 包含於其申請專利範圍之內。 Γ,-------· I------訂·-------I ---ϊ---1 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 9 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐）Printed by the Consumers 'Cooperative of the Prospective Bureau of the Ministry of Economic Affairs, printed at $ L 479149 Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, ~~ 0 illustrates the color application method of the hidden glasses of the present invention. FIG. 1 is a flowchart of an embodiment of a method for applying color to a contact lens of the present invention. Figure 2 (a) (b) (c) shows the schematic diagram of each stage. A7 _______B7_____ 5. Description of the invention (f) The above ingredients and pigment composition are suitable for the pigment composition of the present invention. The pigments to which the present invention is applicable include a variety of commercially available products. In the present invention, the pigment composition can be composed according to different needs. Table 1 shows the composition 'fractions and ratios' of pigment compositions suitable for use in the present invention for reference. Other ingredients and compositions can be applied to the present invention, and similar effects can be obtained. Table 1 Dosage ratio Color base material Crystal blue Jade Green Violet Cappuccino or Hazel Pearl Gray Rutile TA (CI pigment white 6) 20 ～ 40% 15 ～ 35% 20 ～ 45〇 / 〇0-20% 25 ～ 3 5% Phtalocyanine Blue (CI pigment Blue 15: 4) 3 to 15% 1 to 8% Phtalocyanine Green (CI pigment Green 7) 15 to 35% Dioxazin Violet (CI pigment Violet 23) 3-10% Iron Oxide (CI pigment Yellow 42) 0 to 5% 10 to 30% (CI pigment Brown) 4 to 20% 3 to 10% Binder 50 to 75% Lens material monomer 5 to 25% Thickener 1 to 8% As shown in the figure, in the preparation of the present invention For contact lens lenses, the paper size of (101) 7 applies to China National Standard (CNS) A4 (210 X 297 mm), Ί, -------- t ------- ----- (Please read the notes on the back before filling this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 479149 A7 B7 V. Description of the invention (4) Preparation of a pigment composition, followed by (102) Using any suitable method, apply the pigment and material composition (2) to a pre-made mold (1), and A reverse pattern (2) is formed on the inner surface of the mold (1). Applicable coloring methods include secondary transfer or primary transfer. As for the colors and patterns to be applied, they are not limited to one type, but usually the colors and patterns to be applied are all three or less. But there are more than three. Fig. 2 (a) is a cross-sectional view showing a pattern formed on a mold. Next, at (103), the contact lens lens liquid material (3) is dropped into the mold (1). At the time of application, the mold (1) is made of polyvinyl chloride (PVC) and has a concave spherical or aspherical surface, but it can also be suitable if it is formed of other materials or shapes. Ophthalmic Lens Material (3)-As mentioned before, including HEMA. But other materials are also suitable. Sometimes, it is also feasible to process the color pattern before pouring the lens material (3). Then, the mold (1) is rotated at (104), so that the lens material (3) forms a specific curvature surface due to the traction of the centrifugal force and the polymerization force. After the speed reaches the required speed, turn on the upper ultraviolet (UV) lamp (4) at (105) to irradiate the lens material (3), and promote curing. The situation is shown in Figure 2 (b). After the mold (1) is rotated for about 2-6 minutes, ′ stops rotating the mold (丨) and turns off the UV lamp (4). At (106), the mold (1) and the lens (3) thereon are moved to an annealing chamber for annealing. In annealing, UV lamp (4) can usually be used to eliminate the stress' caused by processing and make the lens (3) fully react and shape. In 2007, the lens (3) was trimmed to complete the production. The lens (3) thus completed is kept ready for use with the mold (2). Apply the steamed blue water to the lens (3) in the week. 'After the lens (3) is saturated with water, it can be easily used. 8 This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 public love) /'- -^ ---------------- Order ------, --- line --- 7 (Please read the notes on the back before filling this page) 479149 A7 _ B7_ V. Description of the invention (ΐ) Demolition, take out the lens (3) and complete the hydration process. The completed lens cross-section is shown in Figure 2 (0). [Effects of the invention] After cutting the completed lens, observe the cut surface under a microscope. 'It can be seen that the pigment layer is embedded in the lens, and the surface lines are complete without defects. The interface between the pigment and the lens is flat without faint. In addition, the mold after demolding is placed under a microscope to observe 'the surface is also clean' and there is no pigment or lens residue. The method for applying color of the contact lens of the present invention It is not only suitable for the above-mentioned spin-molding method, but also suitable for pressing mode and other contact lens manufacturing methods to obtain similar effects. The above is the description of the coloring method and the lens embodiment of the contact lens of the present invention. It is not difficult for the people of Siyi to understand from the above description that the spirit of the present invention is' differently extended and changed. As long as it does not exceed the spirit of the present invention, it should be included in the scope of its patent application. Γ,- ----- · I ------ Order · ------- I --- ϊ --- 1 (Please read the notes on the back before filling out this page) Employees of the Intellectual Property Bureau of the Ministry of Economic Affairs 9 printed by Consumer Cooperatives Standard (CNS) A4 size (210 X 297 mm)