1305178 九、發明說明： 【發明所屬之技術領域】 特別是有關於一種應 本發明係有關於—種阻 用於軟性顯示器之阻氣結構。 【先前技術】 以光學級軟性塑膠其 性翅艘· 1S - 代現有玻璃基板材料製作軟 Γ=!:可達到輕巧、攜帶方便、可穿戴、曲面顯 哭仰广耐衝擊與可錢等特性，已成為未來顯示 斋發展主流。然而，顯 ^ 本身對水氣與氧氣甚為敏感， 一因水氣會影響顯示元株 ^^^ 兀件的訊唬傳輸特性，嚴重將造成短 路吨無法刼作，而氣牽备 短使用妄八。蹈古ΐ 速减示材料的氧化與裂解而減 =可，現“性塑膠基板#料對於水氣和氧氣的阻 ^ W不=玻璃基板，因此，當軟性塑膠基板材料用於顯 丁1"面_，其表層常常需再作-適當的阻隔氣體處理， 以達到提升顯_板的顯示品質並延錢示面板的使用壽 目則，多將热機材料如氧化矽、氧化鈦或氮氧化矽等 父賤鑛(sputter)或氣相沈積(vap〇r dep〇sjti〇n)方式鍵在光學 級軟性塑膠基材上’以達到阻隔水氣與氧氣的目的，此種 方式可維持良好的透明度。然由於無機材料與塑膠基材間 的黏著力差，遂需塗佈一緩衝層或進行特殊的表面處理來 增加黏著力，且無機層材料經數次彎曲後，易產生龜裂而 剝落，大大影響阻氣效果。此外，以真空濺鍍或氣相沈積 〇178-A21455TWF(N2) ；P05940082TW；david 1305178 方式激鍍無機層材料，應用於大面積化時其設備昂貴且均 '勻度控制困難。 赢知與本發明類似的材料與結構發明包括美國專利 4,684,573、2004/0033379A1 、2〇〇4/〇2〇9126A1 及 、2003/020321〇Ai。其皆以多層沈積之方式達到阻氣功能。 '然，以純無機材料而言，雖是不錯的阻氣層材料，但其與 塑膠基板材料的黏著力差，彎曲過程易產生龜裂現象。且 •乾式製程設備與製程成本均較濕式製程為高。而對純有機 •材料PVDC與Ί〇Ρμ而言，其黏著力不佳。 ' 以下表列習知技術之技術重點及其缺失。 國 別 專利號碼 專利名稱 技術重點 技術缺失 美 國 4,684,573 High Oxygen Barrier Compsite 1·利用A/B/C/D至少 四層達到阻隔氧氣 之功能 2·其中A、B層為表 面層，B、C為主 要阻氣層 3. B層材料為乙婦醇 共聚物、C層材料 為氯乙細共聚物 1.需多層結構達到 阻隔氧氣之功能 2製裎費時 3.厚度厚 4·食品保存 美 國 2004/0033379 A1 Low Permeability Materials and Coatings 1·利用三層結構 PVDC/tetpolymer/x 〇pas/terpolymer/PV DC 2·利用PVDC與 Topas teipolymer if 加其 adhesion 1_ PVDC 與 Topas 間黏著性不佳 2·開發 terpolymer 及coating增加成 本降低良率 0178-Α21455TWF(N2)；P05940082TW；david 6 1305178 美 國 2004/0209126 A1 02 and H20 Barrier Material 1·使用鋁或氧化砍 2.離子辅助之真空沈 積法 1.純無機材料彎曲 易產生龜裂 2·無機材料與塑勝 基板黏著性差 3.製程設備與成本 南 國 2003/0203210 A1 Barrier Coating and Methods of Making Same 1. 使用有機層/無機 層共八層 2. 無機層包括鋁或氧 化矽，有機層包括 acrlyated-based 3. 離子辅助之真空沈 積法 1. 無機材料彎'曲易 產生龜裂 2. 無機材料與塑膠 基板 鞋著性差’ 3. 製程設備與成本 高 【發明内容】 本發明提供一種阻氣結構，包括一塑膠基板，以及— 聚氯乙烯共聚物膜，形成於該塑膠基板上。 本發明另提供一種阻氣結構，包括一塑膠基板，—聚 乙烯醇或其共聚物膜，形成於該塑膠基板上，以及一由聚 乙烯醇或其共聚物膜與聚氯乙烯共聚物膜組成之複層膜或 一聚氯乙稀共聚物膜，形成於該聚乙烯醇或其共聚物膜 上。上述阻氣結構均適用於軟性顯示器。 為讓本發明之上述目的、特徵及優點能更明顯易懂， 下文特舉一較佳實施例，並配合所附圖式，作詳細說明如 下： 【實施方式】.. 請參閱第1圖，說明本發明之一阻氣結構。阻氣結構 10可包括一塑膠基板12，以及一形成於塑膠基板12上的 聚氯乙烯共聚物膜14。塑膠基板12的材質可為聚乙烯對 0178-A21455TWF(N2)；P05940082TW；david 1305178 苯二甲酸酉旨（polyethylene terephthalate，PET)、聚乙烯萘二 曱酸酉旨（polyethylene 2,6-naphthalene dicarboxylate，PEN、 - 聚碳酸醋（polycarbonates, PC)、環烯经共聚物（cyclo olefin copolymer, m-COC)、聚醚楓醋（polyether sulfones，PES)或 、 聚亞醯胺(polyimide，PI)。 - 上述聚氯乙婦共聚物可包括氯乙烯/丙烯腈/甲基丙烯 酸 甲 酷 共聚物 （poly(vinylidene 鲁 chloride-co-acrylonitrile-co-methyl methacrylate，PVCA)或 • 氯乙稀/曱基丙稀酸曱酯共聚物（poly(vinylidene . chloride-co_methyl methacrylate，PVCM)。 聚氯乙烯共聚物膜14可為單層（如第1圖所示）、雙層 14、14’(如第2圖所示）或參層14、14’、14’’(如第3圖所 示），其單層厚度介於2〜20微米，較佳介於5〜1〇微米。此 - 單或複數層聚氯乙烯共聚物膜中，至少有一層包含例如石夕 . 酸鹽、氧化矽或氧化鋁的無機粉體，其重量百分比介於 φ 0.5〜20%，較佳介於1〜10%。 請參閱第4圖’本發明聚氣乙烯共聚物膜14上，更可 包括一由聚乙烯醇或其共聚物膜16與聚氯乙烯共聚物膜 18組成的複層膜20，使聚乙烯醇或其共聚物膜16可位於 聚氯乙烯共聚物膜14、18之間。聚乙烯醇共聚物可包括乙 烯/乙烯醇共聚物(polyethylene-vinyl alcohol, EVOH)。 上述聚乙烯醇或其共聚物膜16或聚氯乙烯共聚物膜 14、18中，至少有一層包含例如矽酸鹽、氧化矽或氧化鋁 的無機粉體，其重量百分比介於0.5〜20%，較佳介於 0178-A2'1455TWF(N2);P〇5940082TW；david 8 1305178 1〜10%。且聚乙烯醇或其共聚物膜16或聚氯乙烯共聚物膜 ' 14、18的單層厚度介於2〜20微米，較佳介於5〜10微米。 - 如第4圖揭露的阻氣結構10，其全穿透度(totai light transmittance, TT)大於 90% ’ 水氣穿透率（water vapor ' transmittance rate, WVTR)低於 0.1 g/m2 . day，氧氣穿透率 - (oxygen transmittance rate, OTR)低於 0.1 cc/m2 · day，錯筆 硬度高於3H，且各層間的黏著性高於5B。 ^ 本發明主要利用有機/無機奈求混成（organic/inorganic • nano-hybrid)技術開發一種可有效阻隔氧氣與水氣的阻氣 - 結構。由於添加無機奈米粉體，遂阻氣結構除了可提升氣 體阻隔效果外，亦具有高鉛筆硬度(3H以上）以及與透明導 電膜(transparent conductive film)間的高黏著性，且外觀可 保持良好的透明度。 - 請參閱第5圖’說明本發明之一阻氣結構。阻氣結構 . 20可包括一塑膠基板22，一形成於塑膠基板22上的聚乙 鲁烯醇或其共聚物膜24,以及一由聚乙烯醇或其共聚物膜26 與聚氯乙烯共聚物膜28組成的複層膜30或一聚氯乙烯共 聚物膜32(如第6圖所示），形成於聚乙烯醇或其共聚物膜 24上。塑膠基板22的材質可為聚乙烯對苯二甲酸酯 (polyethylene terephthalate，PET)、聚乙烯萘二甲酸酷 (polyethylene 2,6-naphthalene dicarboxylate，PEN、聚碳酸 Sa (polycarbonates, PC)、環烯经共聚物（cyelo olefin copolymer, m_COC)、聚謎硬醋（polyether sulfones, PES)或 聚亞酿胺(polyimide，PI)。 〇178-A21455TWF(N2)；P05940082TW；david 9 1305178 上述聚氯乙烯共聚物可包括氯乙烯/丙烯腈/甲基丙烯 酸 曱酯共 聚 物 （poly(vinylidene ' chl〇ride-co_acryl〇nitrile，comethyl methacrylate, PVCA)或 氯乙烯/曱基丙嫦酸曱g旨共聚物（p〇ly(vinylidene 、 chloride-co-methyl methacrylate，PVCM)，聚乙稀醇共聚物 - 可包括乙稀/乙烯醇共聚物（polyethylene-vinyl alcohol, EVOH)。 φ 第5圖所揭露的阻氣結構20中，聚乙烯醇或其共聚物 • 膜24、26可位於聚氯乙烯共聚物膜28與塑膠基板22之 - 間。上述聚乙烯醇或其共聚物膜24、26或聚氯乙烯共聚物 膜28中’至少有一層包含例如矽酸鹽、氧化矽或氧化鋁的 無機粉體，其重量百分比介於〇.5〜20%，較佳介於1〜10%。 且聚乙烯醇或其共聚物膜24、26或聚氯乙烯共聚物膜28 • 的單層厚度介於2〜20微米，較佳介於5〜10微米。 . 續參閱第6圖，聚氯乙烯共聚物膜32可包括單層或雙 φ 層32、32’(如第7圖所示^相同地，上述聚乙烯醇或其共 聚物膜24或聚氯乙烯共聚物膜32、32,中，至少有一層包 含例如硬酸鹽、氧化矽或氧化鋁的無機粉體，其重量百分 比介於0.5〜20%，較佳介於1〜1〇%。且聚乙烯醇或其共聚 物膜24或聚氯乙烯共聚物膜32、32,的單層厚度介於2〜20 微米’較佳介於5〜10微米。 本發明利用濕式製程(wet pr〇cess)製備一高阻氣、高透 明及兼具高錯筆硬度的多功能複合型阻氣結構。由於無機 奈米粉體具有高阻氣性與高剛性，遂可用來提升有機高分 〇178-A21455TWF(N2)；P05940082TW；david 1〇 1305178 子的阻氣性與鉛筆硬度，且又不會影響有機高分子的透明 度。 例如先以特定溶劑分別溶解對氧氣具有高阻絕性且會 吸收水氣的聚乙烯醇(PVA)分子與對水氣具有高度阻絕能 力的氯乙烯/丙烯腈/甲基丙烤酸甲酯共聚物（pvcA)分 子，之後，以刮刀塗佈於軟性塑膠基材上（例如聚乙烯對苯 二曱酸酉旨（polyethylene terephthalate，PET)或聚醚楓醋 (polyether Sulf0nes，PES)等）。過程中先以氯乙烯/丙烯腈/ 甲基丙烯酸甲酯共聚物或氯乙烯/丙稀腈/甲基丙烯酸甲酯 共聚物/矽酸鹽當作底層塗佈於軟性塑膠基材上，待其乾燥 後’塗佈-層聚乙烯醇’之後，塗佈一層氯乙烯/丙烯腈人 ▼基丙烯酸甲_共聚物或氯乙.烯/丙稀腈/甲基㈣酸甲龍 共聚物/矽酸鹽。如此，即完成單層或三層結構可達到高阻 氣及兩鉛筆硬度且又能維持高透明的有機/無機奈米混 阻氣結構。 實施例Λ 、首先’將20克的氯乙烯基丙烯酸Τ醋共聚物(pvcM) /合於100克的環戊酮（CyCl〇pentan〇ne，CpN)中。待氯乙嫦/ 甲基丙烯酸旨共聚物完全溶解後，篩網過濾。之後/以 刮刀成膜於聚乙婦對苯二曱酸酯(PET)塑膠基板上你加 熱至攝氏80度及⑽度各30分鐘烘烤乾燥後，即形^t 明無色的氯乙烯/甲基丙烯酸甲酯共聚物薄膜材料。 實施例2 首先，將20克的氯乙烯/曱基丙烯酸甲酯共聚物 〇178-A21455TWF(N2)；P05940082TW；david n 1305178 溶於100克的環戊酮（cyclopentanone, CPN)中。待氯乙晞/ - 甲基丙烯酸甲酯共聚物完全溶解後，篩網過濾。之後，以 -到刀成膜於聚乙烯對苯二甲酸酯（PE T)塑膠基板上。續經加 熱至攝氏80度及140度各30分鐘烘烤乾燥後，即形成透 - 明無色的氯乙烯/甲基丙烯酸甲酯共聚物薄膜材料。 ， 之後，再次以刮刀將氯乙烯/曱基丙烯酸甲酯共聚物溶 液成臈於聚乙烯對苯二甲酸酯（PET)/氯乙烯/甲基丙烯酸甲 φ _共聚物的塑膠基板上。續經加熱至攝氏80度及140度各 • 30分鐘烘烤乾燥後，即形成兩層透明無色的氯乙烯/曱基丙 - 烯酸甲酯共聚物薄膜材料。 實施例3 耳先，將20克的氯乙烯/甲基丙烯酸甲酯共聚物(pvcM) /谷於100兄的環戊嗣（CyCl〇p_an〇ne，Cpn)中。待氯乙稀/ *曱基丙烯酸曱酯共聚物完全溶解後，篩網過濾。之後，以 -刮刀成膜於聚乙烯對苯二曱酸酯（PET)塑膠基板上。續經加 肇熱至攝氏80度及14〇度各3〇分鐘烘烤乾燥後，即形成透 明热色的氯乙烯/曱基丙烯酸甲酯共聚物薄膜材料。 之後’再次以刮刀將氯乙烯/甲基丙烯酸曱酯共聚物溶 液成膜於聚乙烯對苯二曱酸酯（pET)/氯乙烯/甲基丙烯酸甲 酯共聚物的塑膠基板上。續經加熱至攝氏8〇度及14〇度各 30分鐘料乾燥後，即形成兩層透明無色的氯乙缚/甲基丙 刘j酸曱i旨共聚物薄膜材料。 之後’第3次以刮刀將氣乙烯/曱基两烯酸甲酯共聚物 溶液成膜於聚乙烯對笨二甲酸酯（PE τ) /氯乙烯/甲基内烯酸 0178-Α21455TWF(N2)；P05940082TW；david 12 1305178 曱酯共聚物(PVCM)的塑膠基板上。續經加熱至攝氏80度 ' 及140度各30分鐘烘烤乾燥後，即形成三層透明無色的氯 ' 乙烯/曱基丙烯酸曱酯共聚物薄膜材料。 實施例4 首先’將20克的氯乙稀/丙烯腈/甲基丙稀酸甲g旨共聚 -物(PVCA)>谷於 100 克的壤戊 _ (CyCi〇pentanone，CPN)中。 待氯乙烯/丙烯腈/曱基丙烯酸甲酯共聚物完全溶解後，篩網 φ 過濾。之後，以刮刀成膜於聚乙烯對苯二曱酸酯（PET)塑膠 • 基板上。續經加熱至攝氏80度及140度各30分鐘烘烤乾 • 燥後，即形成透明無色的氯乙烯/丙烯腈/曱基丙烯酸甲酯共 聚物薄膜材料。 實施例5 首先，將20克的氯乙烯/丙烯腈/曱基丙烯酸甲酯共聚 .物(PVCA)i谷於 100 克的環戊酮（CyCi〇pentan〇ne, cj>n)中。 • 待氯乙烯/丙烯腈/甲基丙烯酸甲酯共聚物完全溶解後，篩網 • 過濾。之後，以刮刀成膜於聚乙烯對苯二甲酸醋(PET)塑膠 基板上。續經加熱至攝氏80度及14〇度各30分鐘烘烤乾 燥後，即形成透明無色的氯乙烯/丙烯腈/曱基丙烯酸甲酯共 聚物薄膜材料。 之後，再次以刮刀將氯乙烯/丙烯腈/曱基丙烯酸曱酯共 聚物溶液成膜於聚乙烯對苯二甲酸酯（pET)/氯乙烯/丙烯腈 /曱基丙烯酸甲酯共聚物的塑膠基板上。續經加熱至攝氏8〇 度及140度各30分鐘嫉烤乾燥後，即形成兩層透明無色的 氯乙烯/丙烯腈/甲基丙稀酸甲酯共聚物薄膜材料。 0178-A21455TWF(N2) ；P05940082TW；david ι. 1305178 貫施.例6 首先’將20克的氯乙烯/丙烯腈/甲基丙烯酸甲酯共聚 物(PVCA)溶於1〇〇克的環戊鋼她⑽已，中。 ，待氯乙稀/丙烯腈/甲基丙稀酸甲酯共聚物完全溶解後，筛網 過濾之後，以刮刀成膜於聚乙烯對苯二甲酸酯（ρΕτ)塑膠 -基板上。續經加熱至攝氏.80度及140度各30分鐘烘烤乾 蚝後’即形成透明無.色的氯乙稀/丙稀膳/甲基丙婦酸甲醋共 鲁 聚物薄膜材料。 之後’再次以刮刀將氯乙烯/丙烯腈/曱基丙烯酸曱酯共 • t物溶液成膜於聚乙料苯二f酸g旨(ρ £ 了 ) /氯乙稀/丙婦臆 /曱基丙烯酸甲醋共聚物的塑膠基板上。續經加熱至攝氏g〇 度及140度各30分鐘焕拷乾燥後，即形成兩層透明無色的 氯乙烯/丙烯腈/甲基丙烯酸甲§旨共聚物薄媒材料。 —. 之後，第3次以刮刀將氯乙烯/丙烯腈/曱基丙烯酸曱酯 •共聚物〉容液成膜於*乙婦對苯二甲酸酯(PET)/氯乙烯/丙稀 φ腈/甲基丙烯酸甲酯共聚物(PVCA)的塑膠基板上。續經加熱 至攝氏80度及140度各30分鐘烘烤乾燥後，即形成三層 透明無色的氯乙烯/丙烯腈/甲基丙烯酸甲酯共聚物薄膜材 料。 貫施例7 首先，將20克的氯乙烯/丙烯腈/甲基丙烯酸甲酯共聚 物(PVCA)i谷於 100 克的壤戊酮j(CyCi〇pentanone, cpn)中。 待氯乙烯/丙烯腈/甲基丙烯酸曱醋共聚物完全溶解後，肩網 過濾。之後，以刮刀成膜於聚乙婦對苯二曱酸酯（PET)塑谬 0178-A21455TWF(N2)；P05940082TW；david 14 1305178 基板上。續經加熱至攝氏8〇 燥後，即形成朗無色的氣^ ^各3()分鐘烘烤乾 聚物薄膜材料。之後，將^丙咖甲基丙烯酸甲酯共 克的去離子水巾，待聚乙的聚乙烯醇(爾)溶於⑽ ' f 、、 ~醇元全溶解後，篩網過濾。 烯/丙嫌审;Γ刀成膜於聚乙烯對苯二甲酸酯（PET)/氯乙 至攝氏7二酸甲酯共聚物的塑膠基板上。續經加熱 度各3ΰ分麵料料，即形成透明 热色的ΧΚ乙烯醇溥膜材料。 溶液^ 刀將氯^ ^丙烯腈/甲基丙騎Τ _共聚物 美丙㈣：’乙烯對苯—甲酸酯(ΡΕΤ)/氯乙烯/丙烯腈/甲 ^丙Μ曱酯共聚物(PVCA)/聚乙烯醇(pVA)的塑谬基板 熱至攝氏SO度及140度各3〇分鐘供烤乾燥後， —:广明無色的亂乙烯/丙婦腈/甲基丙歸酸甲_共聚物 _材料’而製作完成三層透明無色的聚乙稀對苯二甲酸 s旨(=)/氯乙騎烯腈/甲基丙烯"酯共聚物(·Α)/聚 乙烯醇(PVA)/氯乙烯7丙歸腈/甲基丙稀酸甲_共聚物 (PVCA)薄膜材料。 實施例8 首先’將50克的有機黏土（siiicate)混入9〇〇克的環戊 酮(cydopentanone, CPN)t。之後，以高速研磨分散機進行 研磨分散’使有機黏土在溶劑中呈現粒徑介於 的粉體。之後，取上述溶液7.6克放入12〇 = 烯腈/甲基丙烯酸曱酯共聚物(PVCA)溶液中(如實施例6)並 高速攪拌，使氯乙稀/丙烯腈/曱基丙烯酸甲龍共聚物與有機 0178-A21455TWF(N2)；P05940082TW；david 15 1305178 . 黏土混成形成一均勻單一相溶液(PVCA/Silicate(98/2)H帛 、慮後1以刮刀成膜於聚乙烯對苯二曱酸酯（PET)的塑膠 ，^上。續經加熱至攝氏⑽度及i4G度各3(^鐘棋烤‘ • ，7Γ^ 17形成透明無色的氯乙烯/丙烯腈/曱基丙烯酸甲酯共 聚物(PVCA)/有機黏土(98/2)奈米混成薄膜材料。之後，將 • ^克的聚乙稀醇(PVA)溶於100克的去離子水中。待聚乙 烯醇完全溶解後，篩網過濾。 " • 之後，以刮刀成膜於聚乙烯對笨二甲酸酯（PET)/(氯乙 .烯’丙烯腈’甲基丙烯酸甲酯共聚物(pVCA)/有機黏土)的塑 -，基板上。續經加熱至攝氏70度及110度各3〇分鐘烘烤 乾燥後，即形成透明無色的聚乙烯醇薄膜材料。 之後，第3次以刮刀將氯乙烯/丙烯腈/甲基丙烯酸甲酯 共聚物(PVCA)/有機黏土(98/2)溶液成膜於聚乙稀對苯二甲 .酸酯（PET)/(氯乙烯/丙烯腈/甲基丙烯酸甲g旨共聚物 • (PVCA)/有機黏土)/聚乙烯醇(pVA)的塑膠基板上。續經加 1 熱至攝氏80度及140度各30分鐘烘烤乾燥後，即形成透 明無色的氯乙烯/丙稀腈/甲基丙浠酸甲酯共聚物（PVCA)〆 有機黏土（98/2)奈米混成薄膜材料。 實施例9 首先，將50克的有機黏土（snicate)混入9〇〇克的環戊 酮(cyclopentanone，CPN)中。之後，以高速研磨分散機進行 研磨分散，使有機黏土在溶劑中呈現粒徑介於8〇〜15〇奈米 的粉體。之後，取上述溶液20克放入12〇克的氣乙烯/丙 烯腈/甲基丙烯酸曱酯共聚物(PVCA)溶液中（如實施例6)並 0178-A21455TWF(N2) ； P05940082TW；david 161305178 IX. Description of the invention: [Technical field to which the invention pertains] In particular, the present invention relates to a gas barrier structure for use in a flexible display. [Prior Art] The optical grade soft plastic is made of soft wings. 1S - The existing glass substrate material is used to make soft Γ =!: It can be light, portable, wearable, curved, and resistant to impact and money. It has become the mainstream of the development of the future. However, the display itself is very sensitive to moisture and oxygen. The water vapor will affect the signal transmission characteristics of the display element ^^^, which will seriously cause short-circuit tons, and the gas will be short-lived. Eight. The ancient ΐ 速 示 示 示 示 的 的 的 氧化 氧化 氧化 氧化 氧化 氧化 氧化 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现 现Face _, the surface layer often needs to be reused - appropriate barrier gas treatment, in order to improve the display quality of the display plate and extend the use of the display panel, and more heat equipment such as yttria, titanium oxide or nitrogen oxide矽 贱 贱 贱 贱 贱 贱 贱 或 或 或 或 或 或 或 或 或 或 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱 贱Transparency. However, due to the poor adhesion between the inorganic material and the plastic substrate, it is not necessary to apply a buffer layer or special surface treatment to increase the adhesion, and the inorganic layer material is susceptible to cracking and peeling after being bent several times. , greatly affecting the gas barrier effect. In addition, by vacuum sputtering or vapor deposition 〇178-A21455TWF (N2); P05940082TW; david 1305178 way to inject inorganic layer material, when used for large area, its equipment is expensive and uniform Difficulties in control. Win Materials and structures similar to the present invention include U.S. Patents 4,684,573, 2004/0033379A1, 2〇〇4/〇2〇9126A1, and 2003/020321〇Ai, all of which achieve a gas barrier function in a multi-layer deposition manner. In terms of pure inorganic materials, although it is a good gas barrier material, its adhesion to plastic substrate materials is poor, and the bending process is prone to cracking. Moreover, the dry process equipment and process cost are higher than the wet process. For the pure organic materials PVDC and Ί〇Ρμ, the adhesion is not good. 'The following table lists the technical focus and lack of the conventional technology. The national patent number patent name technology key technology is missing US 4,684,573 High Oxygen Barrier Compsite 1. Use at least four layers of A/B/C/D to achieve the function of blocking oxygen. 2. A and B layers are surface layers, B and C are main gas barrier layers. 3. B layer material is ethyl alcohol copolymer, C The layer material is a vinyl chloride copolymer 1. The multi-layer structure is required to achieve the function of blocking oxygen. 2 The system is time-consuming 3. The thickness is thick. 4. Food preservation US 2004/0033379 A1 Low Permeability Materials and Coatings 1. Structure PVDC/tetpolymer/x 〇pas/terpolymer/PV DC 2. Use PVDC and Topas teipolymer if plus its adhesion 1_ PVDC and Topas have poor adhesion 2. Develop terpolymer and coating to increase cost and reduce yield 0178-Α21455TWF(N2) ;P05940082TW;david 6 1305178 US 2004/0209126 A1 02 and H20 Barrier Material 1·Use aluminum or oxidized chopping 2.Ion-assisted vacuum deposition method 1. Pure inorganic material bends easily to produce cracks 2·Inorganic materials adhere to plastic substrate Poor 3. Process equipment and cost Southern 2003/0203210 A1 Barrier Coating and Methods of Making Same 1. Using organic layer/inorganic layer a total of eight layers 2. Inorganic layer including aluminum or cerium oxide, organic layer including acrlyated-based 3. Ion assist Vacuum deposition method 1. Inorganic material bends and bends easily. 2. Inferiority of inorganic materials and plastic substrates. 3. Process equipment and high cost. SUMMARY OF THE INVENTION The present invention provides a gas barrier structure including a plastic substrate. And a polyvinyl chloride copolymer film formed on the plastic substrate. The invention further provides a gas barrier structure comprising a plastic substrate, a polyvinyl alcohol or a copolymer film thereof, formed on the plastic substrate, and a film composed of a polyvinyl alcohol or a copolymer film thereof and a polyvinyl chloride copolymer film. A double layer film or a polyvinyl chloride copolymer film is formed on the polyvinyl alcohol or a copolymer film thereof. The above gas barrier structures are all suitable for flexible displays. The above described objects, features and advantages of the present invention will become more apparent and understood. A gas barrier structure of the present invention will be described. The gas barrier structure 10 may include a plastic substrate 12 and a polyvinyl chloride copolymer film 14 formed on the plastic substrate 12. The material of the plastic substrate 12 can be polyethylene pair 0178-A21455TWF (N2); P05940082TW; david 1305178 polyethylene terephthalate (PET), polyethylene naphthalene dicarboxylate (polyethylene 2,6-naphthalene dicarboxylate, PEN, - Polycarbonate (PC), cycloolefin copolymer (m-COC), polyether sulfones (PES) or polyimide (PI). The above polychloroethylene copolymer may include vinyl chloride/acrylonitrile/co-methyl methacrylate (PVCA) or • vinyl chloride/mercapto propylene Poly(vinylidene. chloride-co-methyl methacrylate, PVCM). The polyvinyl chloride copolymer film 14 can be a single layer (as shown in Figure 1), a double layer 14, 14' (as shown in Figure 2). Show or reference layer 14, 14', 14" (as shown in Figure 3), the thickness of a single layer is between 2 and 20 microns, preferably between 5 and 1 micron. This - single or multiple layers of polychlorinated At least one layer of the ethylene copolymer film contains, for example, a sulphuric acid salt The inorganic powder of cerium oxide or aluminum oxide has a weight percentage of φ 0.5 to 20%, preferably 1 to 10%. Please refer to Fig. 4 on the polyethylene copolymer film 14 of the present invention, which may further comprise A multi-layer film 20 composed of a polyvinyl alcohol or copolymer film 16 and a polyvinyl chloride copolymer film 18 is disposed such that the polyvinyl alcohol or its copolymer film 16 can be positioned between the polyvinyl chloride copolymer films 14, 18. The polyvinyl alcohol copolymer may include a polyethylene-vinyl alcohol (EVOH). At least one of the above polyvinyl alcohol or its copolymer film 16 or the polyvinyl chloride copolymer film 14, 18 contains, for example, ruthenium. The inorganic powder of the acid salt, cerium oxide or aluminum oxide has a weight percentage of 0.5 to 20%, preferably 0178-A2'1455TWF (N2); P〇5940082TW; david 8 1305178 1 to 10%. The single layer thickness of the alcohol or its copolymer film 16 or the polyvinyl chloride copolymer film '14, 18 is between 2 and 20 microns, preferably between 5 and 10 microns. - The gas barrier structure 10 as disclosed in Fig. 4 Totai light transmittance (TT) is greater than 90% 'water vapor ' transmittance ra Te, WVTR) is less than 0.1 g/m2. day, oxygen transmission rate (oxygen transmittance rate, OTR) is less than 0.1 cc/m2 · day, wrong pen hardness is higher than 3H, and adhesion between layers is higher than 5B . The present invention mainly utilizes an organic/inorganic nano-hybrid technique to develop a gas barrier structure that effectively blocks oxygen and moisture. Due to the addition of inorganic nano-powder, the anti-gas barrier structure not only enhances the gas barrier effect, but also has high pencil hardness (above 3H) and high adhesion with a transparent conductive film, and the appearance can be maintained well. transparency. - Please refer to Fig. 5' to illustrate a gas barrier structure of the present invention. The gas barrier structure 20 may include a plastic substrate 22, a polyethylene alcohol or a copolymer film 24 formed on the plastic substrate 22, and a polyvinyl chloride or copolymer film 26 thereof and a polyvinyl chloride copolymer. A multi-layer film 30 composed of a film 28 or a polyvinyl chloride copolymer film 32 (as shown in Fig. 6) is formed on the polyvinyl alcohol or its copolymer film 24. The material of the plastic substrate 22 may be polyethylene terephthalate (PET), polyethylene 2, 6-naphthalene dicarboxylate (PEN), polycarbonate (PC), cycloolefin. Copolymer (cylo olefin copolymer, m_COC), polyether sulfones (PES) or polyimide (PI). 〇178-A21455TWF(N2); P05940082TW; david 9 1305178 The composition may include a vinyl chloride/acrylonitrile/methacrylic acid methacrylate copolymer (poly(vinylidene 'chl〇ride-co_acryl〇nitrile, comethyl methacrylate, PVCA) or a vinyl chloride/mercaptopropionate 曱g copolymer (p 〇ly (vinylidene, chloride-co-methyl methacrylate, PVCM), polyethylene copolymer - may include ethylene-vinyl alcohol (EVOH). φ Figure 5 shows the gas barrier structure 20, polyvinyl alcohol or its copolymer • The membranes 24, 26 may be located between the polyvinyl chloride copolymer film 28 and the plastic substrate 22. The above polyvinyl alcohol or its copolymer film 24, 26 or polyvinyl chloride copolymer In film 28' There is one layer of inorganic powder containing, for example, citrate, cerium oxide or aluminum oxide, the weight percentage of which is between 0.5 and 20%, preferably between 1 and 10%, and the polyvinyl alcohol or its copolymer film 24, 26 or the polyvinyl chloride copolymer film 28 • The single layer thickness is 2 to 20 μm, preferably 5 to 10 μm. Continuing to refer to Fig. 6, the polyvinyl chloride copolymer film 32 may include a single layer or double φ. The layers 32, 32' (as shown in Fig. 7), at least one of the above polyvinyl alcohol or its copolymer film 24 or polyvinyl chloride copolymer film 32, 32 contains, for example, a hard acid salt or a cerium oxide. Or an inorganic powder of alumina having a weight percentage of 0.5 to 20%, preferably 1 to 1% by weight, and a single film of polyvinyl alcohol or its copolymer film 24 or polyvinyl chloride copolymer film 32, 32. The layer thickness is between 2 and 20 micrometers, preferably between 5 and 10 micrometers. The invention utilizes a wet process to prepare a high-resistance gas, high transparency and multi-function composite resistance with high pen hardness. Gas structure. Because inorganic nano-powder has high gas barrier properties and high rigidity, niobium can be used to enhance organic high scores 178-A21455TWF(N2); P0594008 2TW; david 1〇 1305178 gas barrier and pencil hardness without affecting the transparency of organic polymers. For example, a specific solvent is used to dissolve a polyvinyl alcohol (PVA) molecule which is highly resistant to oxygen and absorbs moisture, and a vinyl chloride/acrylonitrile/methyl propyl methyl acrylate copolymer which is highly resistant to moisture. The (pvcA) molecule is then applied to a soft plastic substrate by a doctor blade (for example, polyethylene terephthalate (PET) or polyether sulfonate (PES), etc.). The process is first applied to a soft plastic substrate with a vinyl chloride/acrylonitrile/methyl methacrylate copolymer or a vinyl chloride/acrylonitrile/methyl methacrylate copolymer/cyanate as a primer. After drying, 'coating-layer polyvinyl alcohol', coating a layer of vinyl chloride / acrylonitrile human ▼ based acrylic copolymer / chloroethylene / acrylonitrile / methyl (tetra) acid methyl dragon copolymer / tannic acid salt. In this way, a single-layer or three-layer structure can achieve a high gas barrier and two pencil hardness while maintaining a highly transparent organic/inorganic nano-mixed gas structure. EXAMPLES 首先 First, 20 g of a chlorovinyl acrylate vinegar copolymer (pvcM) was combined with 100 g of cyclopentanone (CyCl〇pentan〇ne, CpN). After the chloroacetic acid/methacrylic acid copolymer was completely dissolved, the sieve was filtered. Afterwards, use a scraper to form a film on a polyethylene terephthalate (PET) plastic substrate. You heat it to 80 degrees Celsius and (10) degrees for 30 minutes. After baking, it is a colorless vinyl chloride/A Methyl methacrylate copolymer film material. Example 2 First, 20 g of a vinyl chloride/methyl methacrylate copolymer 〇178-A21455TWF(N2); P05940082TW; david n 1305178 was dissolved in 100 g of cyclopentanone (CPN). After the chloroacetic acid / - methyl methacrylate copolymer is completely dissolved, the sieve is filtered. Thereafter, a film was formed on a polyethylene terephthalate (PE T) plastic substrate by a knife. After continuous heating to 80 ° C and 140 ° for 30 minutes, the film is dried to form a clear, colorless vinyl chloride / methyl methacrylate copolymer film material. Then, the vinyl chloride/methyl methacrylate copolymer was again sprayed onto a plastic substrate of polyethylene terephthalate (PET)/vinyl chloride/methacrylic acid φ _ copolymer by a doctor blade. After heating and heating to 80 degrees Celsius and 140 degrees each. • After 30 minutes of baking and drying, two transparent and colorless vinyl chloride/mercaptopropyl acrylate copolymer film materials are formed. Example 3 Ears, 20 g of a vinyl chloride/methyl methacrylate copolymer (pvcM) / gluten was placed in a 100-mole of cyclopentanium (CyCl〇p_an〇ne, Cpn). After the vinyl chloride / * decyl methacrylate copolymer was completely dissolved, the sieve was filtered. Thereafter, a film was formed on a polyethylene terephthalate (PET) plastic substrate by a doctor blade. After continuous heating and heating to 80 ° C and 14 ° C for 3 minutes each, after baking and drying, a transparent thermochromatic vinyl chloride / methyl methacrylate copolymer film material is formed. Thereafter, the vinyl chloride/methacrylic acid methacrylate copolymer solution was again formed into a film on a plastic substrate of polyethylene terephthalate (pET)/vinyl chloride/methacrylic acid methyl ester copolymer. After heating to 8 degrees Celsius and 14 degrees each for 30 minutes, the material is dried to form two transparent colorless chloroethyl/methyl propyl amide copolymer film materials. After the '3rd time, the gas ethylene/mercaptomethyl methacrylate copolymer solution was formed into a film with a doctor blade on polyethylene terephthalate (PE τ) / vinyl chloride / methyl endoic acid 0178-Α21455TWF (N2 ); P05940082TW; david 12 1305178 oxime ester copolymer (PVCM) on a plastic substrate. After continuous drying to 80 ° C and 140 ° each for 30 minutes, a three-layer transparent and colorless chlorine 'ethylene / mercapto acrylate copolymer film material is formed. Example 4 First, 20 g of a vinyl chloride/acrylonitrile/methyl acrylate acid-copolymer (PVCA) > was placed in 100 g of CyCi〇pentanone (CPN). After the vinyl chloride/acrylonitrile/methyl methacrylate copolymer is completely dissolved, the sieve φ is filtered. Thereafter, a film was formed on a polyethylene terephthalate (PET) plastic substrate using a doctor blade. After continuous heating to 80 degrees Celsius and 140 degrees for 30 minutes, it is baked and dried. After drying, a transparent colorless vinyl chloride/acrylonitrile/mercaptomethyl acrylate copolymer film material is formed. Example 5 First, 20 g of vinyl chloride/acrylonitrile/methyl methacrylate was copolymerized in 100 g of cyclopentanone (CyCi〇pentan〇ne, cj>n). • After the vinyl chloride/acrylonitrile/methyl methacrylate copolymer is completely dissolved, the screen is filtered. Thereafter, a doctor blade was formed on a polyethylene terephthalate (PET) plastic substrate. After continuous heating to 80 ° C and 14 ° C for 30 minutes, the film was dried to form a clear, colorless vinyl chloride / acrylonitrile / methyl methacrylate copolymer film material. After that, the vinyl chloride/acrylonitrile/mercapto methacrylate copolymer solution was again formed into a film of polyethylene terephthalate (pET)/vinyl chloride/acrylonitrile/methyl methacrylate copolymer by a doctor blade. On the substrate. After heating to 8 ° C and 140 ° for 30 min, drying and drying, two transparent and colorless vinyl chloride / acrylonitrile / methyl methacrylate copolymer film materials were formed. 0178-A21455TWF(N2) ;P05940082TW;david ι. 1305178. Example 6 First of all '20 grams of vinyl chloride / acrylonitrile / methyl methacrylate copolymer (PVCA) dissolved in 1 gram of cyclopentyl steel She (10) has, in the middle. After the vinyl chloride/acrylonitrile/methyl methacrylate copolymer was completely dissolved, the sieve was filtered and then formed into a polyethylene terephthalate (ρΕτ) plastic-substrate by a doctor blade. After heating to 80 ° C and 140 ° each for 30 minutes, dry and 蚝 即 即 即 即 即 即 即 ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” After that, 'the solution of vinyl chloride/acrylonitrile/decyl decyl acrylate co-t solution was formed again with a spatula on the polyethylene benzene di-f acid g (ρ £) / chloroethylene / propyl acetate / sulfhydryl Acrylic methacrylate copolymer on a plastic substrate. After heating and heating to Celsius g and 140 degrees for 30 minutes, the two layers of transparent, colorless vinyl chloride/acrylonitrile/methacrylic acid copolymer thin media were formed. —. After that, the third time, a vinyl chloride/acrylonitrile/mercapto methacrylate copolymer was prepared by a doctor blade to form a film on *terpene terephthalate (PET)/vinyl chloride/acrylonitrile. /Methyl methacrylate copolymer (PVCA) on a plastic substrate. After continuous heating to 80 ° C and 140 ° for 30 minutes, the film is baked to form a three-layer transparent colorless vinyl chloride / acrylonitrile / methyl methacrylate copolymer film material. Example 7 First, 20 g of a vinyl chloride/acrylonitrile/methyl methacrylate copolymer (PVCA) was placed in 100 g of CyCi〇pentanone (cpn). After the vinyl chloride/acrylonitrile/methacrylic acid vinegar copolymer is completely dissolved, the shoulder net is filtered. Thereafter, a doctor blade was formed on a polyethylene terephthalate (PET) plastic 谬 0178-A21455TWF (N2); P05940082TW; david 14 1305178 substrate. After heating to 8 ° C, the film is dried to form a colorless gas. Each of the 3 () minutes of baking the film material. Thereafter, a deionized water towel of propylene glycol methyl methacrylate is used, and the polyvinyl alcohol (E) which is to be poly(ethylene) is dissolved in (10) 'f, and the alcohol element is completely dissolved, and sieved. The olefin/cyan is suspected; the boring is formed on a plastic substrate of polyethylene terephthalate (PET)/chloroethylene to methyl laurate copolymer. The continuation of the heating degree is 3 ΰ of the fabric material, that is, the bismuth vinyl alcohol film material which forms a transparent hot color. Solution ^ Knife will be chlorine ^ ^ acrylonitrile / methyl propyl Τ _ copolymer US C (four): 'ethylene p-benzoate (ΡΕΤ) / vinyl chloride / acrylonitrile / methyl propyl acrylate copolymer (PVCA) /Polyvinyl alcohol (pVA) plastic substrate heated to Celsius SO degrees and 140 degrees each for 3 minutes for baking and drying, -: Guangming colorless chaotic ethylene / acrylonitrile / methyl propyl methacrylate copolymer _Material' and made three layers of transparent and colorless polyethylene terephthalic acid s (=) / chloroethene acrylonitrile / methacrylic " ester copolymer (·Α) / polyvinyl alcohol (PVA) / Vinyl chloride 7-acrylonitrile/methyl acrylate acid-copolymer (PVCA) film material. Example 8 First, 50 g of organic siiicate was mixed into 9 g of cydopentanone (CPN) t. Thereafter, the dispersion is carried out by a high-speed grinding disperser to cause the organic clay to exhibit a powder having a particle diameter in a solvent. Thereafter, 7.6 g of the above solution was placed in a 12 〇 = acrylonitrile / methacrylate methacrylate copolymer (PVCA) solution (as in Example 6) and stirred at high speed to make a vinyl chloride / acrylonitrile / methacrylic acid methyl ketone Copolymer and organic 0178-A21455TWF (N2); P05940082TW; david 15 1305178. Clay mixed to form a uniform single phase solution (PVCA/Silicate (98/2) H帛, after 1 with a doctor blade formed on polyethylene terephthalate Phenyl phthalate (PET) plastic, heated. Continued heating to Celsius (10) degrees and i4G degrees 3 (^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Copolymer (PVCA)/organic clay (98/2) nano-mixed film material. After that, the gram of polyethylene glycol (PVA) is dissolved in 100 grams of deionized water. After the polyvinyl alcohol is completely dissolved, Screen filtration. " • Afterwards, a film is formed by a doctor blade on polyethylene terephthalate (PET)/(chloroethylene-acrylonitrile-methyl methacrylate copolymer (pVCA)/organic clay) Plastic-, on the substrate. After heating and heating to 70 degrees Celsius and 110 degrees each for 3 minutes, after baking and drying, a transparent colorless polyvinyl alcohol film material is formed. After that, the third time, a solution of vinyl chloride/acrylonitrile/methyl methacrylate copolymer (PVCA)/organic clay (98/2) was formed into a film with polyethylene foil to terephthalate (PET). / (vinyl chloride / acrylonitrile / methacrylic acid - g copolymer * (PVCA) / organic clay) / polyvinyl alcohol (pVA) on the plastic substrate. Continue to add 1 heat to 80 degrees Celsius and 140 degrees each 30 After drying in a minute, a transparent colorless vinyl chloride/acrylonitrile/methyl propyl methacrylate copolymer (PVCA) 〆 organic clay (98/2) nano-mixed film material is formed. Example 9 First, 50 grams of organic clay (snicate) was mixed into 9 grams of cyclopentanone (CPN). After that, it was ground and dispersed by a high-speed grinding disperser to make the organic clay exhibit a particle size of 8〇15 in the solvent. Powder of nanometer. After that, 20 grams of the above solution was placed in a 12 gram solution of ethylene/acrylonitrile/methacrylate methacrylate (PVCA) (as in Example 6) and 0178-A21455TWF (N2) ); P05940082TW;david 16
路、基板上。續經加熱至攝氏70度及110度各30分鐘烘烤 乾爍後’即形成透明無色的聚乙烯醇薄膜材料。 1305178 南速授拌’使氣π、p5< 丙烯甲基丙烯酸甲酯共聚物與有機 黏土混成形成一 λ, , απ 句勻早一相溶液(PVCA/Silicate(95/5))。篩 網過濾後，以制b ▲ 4刀成膜於聚乙烯對苯二甲酸酯(PET)的塑膠 二板上β每加熱至攝氏卯度及140度各30分鐘烘烤乾 1後尸开乂成透明無色的氯乙烯/丙烯腈/甲基丙烯酸曱酯共 ^物(PV<JA)/有機黏土(95/5)奈米混成薄膜村料。之後，將 15克的I乙婦醇(pVA)溶於1〇〇克的去離子水中。待聚乙 歸醇完全溶解後，_網過濾。 ^之’以到刀成膜於聚乙烯對苯二曱酸酯（PET)/(氯乙 稀/丙婦fc/甲基丙烯酸甲酯共聚物(pvcA)/有機黏土）的塑 之後’第3次以刮刀將氯乙烯/丙烯腈/甲基丙烯酸曱酯 共聚物(PVCA)/有機黏土（95/5)溶液成膜於聚乙烯對苯二甲 酸醋（PET)/(氯乙烯/丙烯腈/曱基丙烯酸曱酯共聚物 (PVCA)/有機黏土)/聚乙婦醇(pvA)的塑膠基板上。續 經加 熱至攝氏80度及140度各30分鐘烘烤乾燥後，即形成透 明無色的氯乙烯/丙烯腈/曱基丙烯酸甲酯共聚物(PVCA)/ 有機黏土 (95/5)奈米混成薄膜材料。 厚度 全透光度 水氣穿透率 氧氣穿透率 鉛筆硬度 黏著性 (微米） (%) (g/m · day) (cc/m2 · day) (H) (B) 實施例1 8 92 2.59 15 .45 - 1 5 實施例2 19 91 1.56 11.47 1 5 0178-A21455TWF(N2)：P05940082TW；david 17 1305178 實施例3. 27 91 0.46 6.08 1 5 實施例4 9 92 1.40 16.07 1 5 實施例5 17 91 0.34 9.61 1 5 實施例6 26 91 0.08 5.35 1 5 實施例7 30 90 0.41 0.17 1 5 實施例8 32 90 0.10 0.09 >3 5 實施例9 30 89 0.07 0.04 >3 5 表1 上表1係揭露實施例1〜9阻氣結構’其包括厚度、全 透光度、水氣穿透率、氧氣穿透率、鉛筆硬度及黏著度等 的物理特性。 雖然本發明已以較佳實施例揭露如上，然其並非闬以 限定本發明，任何熟習此項技藝者，在不脫離本發明之精 神和範圍内，當可作更動與潤飾，因此本發明之保護範圍 當視後附之申請專利範圍所界定者為準。 0178-A21455TWF(N2)；P05940082TW；david 18 1305178 【.圖式簡單說明】 第1〜7圖係為本發明之阻氣結構。 【主要元件符號說明】 10、20〜阻氣結構， 12、22〜塑膠基板； 14、14’、14”、18、28、32、32’〜聚氯乙烯共聚物膜； 16、24、26〜聚乙烯醇或其共聚物膜； 20、30〜聚氯乙烯共聚物膜與聚乙烯醇或其共聚物膜形 成之複層膜。 0178-A21455TWF(N2)；P05940082TW；david 19Road, substrate. After heating to 70 degrees Celsius and 110 degrees each for 30 minutes, after baking, the transparent and colorless polyvinyl alcohol film material is formed. 1305178 South speed mixing 'gas π, p5< propylene methyl methacrylate copolymer mixed with organic clay to form a λ, απ sentence uniform phase one phase solution (PVCA/Silicate (95/5)). After filtering the screen, make a film of b ▲ 4 knives on the plastic polyethylene plate of polyethylene terephthalate (PET). Each heating is heated to Celsius and 140 degrees for 30 minutes. It is made into a transparent and colorless vinyl chloride/acrylonitrile/methacrylate oxime (PV<JA)/organic clay (95/5) nano-mixed film. Thereafter, 15 grams of I ethenol (pVA) was dissolved in 1 gram of deionized water. After the polyethyl alcohol is completely dissolved, it is filtered. ^ ''after the film is formed into polyethylene terephthalate (PET) / (chloroethylene / propylene fc / methyl methacrylate copolymer (pvcA) / organic clay) after the plastic 'third The solution of vinyl chloride/acrylonitrile/methacrylic acid methacrylate copolymer (PVCA)/organic clay (95/5) was formed into a film of polyethylene terephthalate (PET)/(vinyl chloride/acrylonitrile/ On the plastic substrate of decyl acrylate copolymer (PVCA) / organic clay) / polyglycol (pvA). After continuous heating to 80 degrees Celsius and 140 degrees for 30 minutes, after drying and drying, a transparent colorless vinyl chloride / acrylonitrile / methyl methacrylate copolymer (PVCA) / organic clay (95 / 5) nanomixed Film material. Thickness Full Transmittance Water Vapor Transmission Oxygen Permeability Pencil Hardness Adhesion (μm) (%) (g/m · day) (cc/m2 · day) (H) (B) Example 1 8 92 2.59 15 .45 - 1 5 Example 2 19 91 1.56 11.47 1 5 0178-A21455TWF(N2): P05940082TW; david 17 1305178 Example 3. 27 91 0.46 6.08 1 5 Example 4 9 92 1.40 16.07 1 5 Example 5 17 91 0.34 9.61 1 5 Example 6 26 91 0.08 5.35 1 5 Example 7 30 90 0.41 0.17 1 5 Example 8 32 90 0.10 0.09 > 3 5 Example 9 30 89 0.07 0.04 > 3 5 Table 1 Table 1 The physical properties of the gas barrier structures of Examples 1 to 9 which include thickness, total light transmittance, water vapor permeability, oxygen permeability, pencil hardness, and adhesion are disclosed. While the present invention has been described in its preferred embodiments, the present invention 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 scope of protection is subject to the definition of the scope of the patent application attached. 0178-A21455TWF (N2); P05940082TW; david 18 1305178 [. Brief description of the drawings] The first to seventh figures are the gas barrier structure of the present invention. [Main component symbol description] 10, 20~ gas barrier structure, 12, 22~ plastic substrate; 14, 14', 14", 18, 28, 32, 32'~ polyvinyl chloride copolymer film; 16, 24, 26 Polyvinyl alcohol or its copolymer film; 20, 30~ polyvinyl chloride copolymer film and polyvinyl alcohol or its copolymer film formed by a film. 0178-A21455TWF (N2); P05940082TW; david 19