TW592737B - Sheet-like superabsorbent structure - Google Patents
Sheet-like superabsorbent structure Download PDFInfo
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- TW592737B TW592737B TW085101176A TW85101176A TW592737B TW 592737 B TW592737 B TW 592737B TW 085101176 A TW085101176 A TW 085101176A TW 85101176 A TW85101176 A TW 85101176A TW 592737 B TW592737 B TW 592737B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2938—Coating on discrete and individual rods, strands or filaments
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- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2965—Cellulosic
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- Y10T442/2016—Impregnation is confined to a plane disposed between both major fabric surfaces which are essentially free of impregnating material
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Hematology (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Cultivation Of Plants (AREA)
Description
592737 A7 經濟部智慧財產局員工消費合作社印製 pr.ftfinrui Am - w五、發明説明() 本發明係關於吸收水和水^容液之板狀吸收結構、其製 法及其用途。 此板狀吸收結構,揭示一種能將粉末或粒狀型式的超 吸收性聚合物(簡稱SAP),固定於一個或數個面上/内, 使之呈所需之排列的可能性。前述之固定型式為往後使用 中執行之最佳型式,其使用上如尿布、成人大小便失禁物 品、電纜被覆、土壤調濕器、品食製造工業中包裝插入 物、動物衛生、傷口端帶及布料。 粉末狀之超吸收聚合物其分佈及固定有幾種可能性, 能使粉末於往後使用中呈現最佳之狀況。 歐洲專利第212,618B1號敘述尿布之結構,此特殊粒 徑分佈之聚合物分配於纖維素之纖維層中。然而,對此超 吸收聚合物而言,此一結構係不夠穩定;特殊情況下,例 如,尿布中的吸收,即經由SAP分佈的輸送,會改變成一 種非所需的狀況,導致吸收不均勻。 歐洲專利第425,269 A2號敘述其他超吸收聚合物於一 特定排列時,固定其粉末的其他可能性;在此SAP被侷限於 熱塑性、非水溶性纖維。SAP束缚於纖維時,會受接觸纖 維所影響,此粉末狀之超吸收聚合物會於纖維的表面部份 融解。纖維彼此間則以此相同的方式固定。此程序之缺點 為超吸收聚合物粉末之吸收性無法完全利用,部分的SAP 被熱塑性纖維所覆蓋,故水或水溶液無法到達。 (請先閲讀背面之注意事項再填寫本頁) -*- m· II n m VI !*i n In ϋ n n-— n 1- —ί»-- 線▲ 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 592737 經濟部智慧財產局員工消費合作社印製 A7___…―一五、發明説明() 歐洲專利第547,471 A1號敘述吸收性材料之製造程 序,此之超吸收聚合物呈特定分佈。所得到吸收性材料其 吸收量少於相當量之SAP部份所併入之前述物質。亦即, 因為所選擇的材料及製造方法不同,部份的SAP係為塊狀 的,此類基質(matrix)材料使用上亦侷限於前述材料的融點 必須高於SAP的分解溫度。 歐洲專利第303,445 A1號敘述一個板狀的吸收材料, 其含水之SAP固定於支撐物上,此結構使用上被限制在使 用補片作為藥品之貯存槽。 曰本專利申請案號第75-85462號敘述澱粉接枝聚合物 併入水溶性、成膜聚合物成為超吸收表面之製造方法。 根據此發明所述,作為其基材的第三種成份係不可或 缺的。超吸收聚合物便是固定在前述結合水溶性、成膜聚 合物之基材。 歐洲專利第604,730 A1號敘述含SAP結構於水中之分 解。除SAP外,分散性聚合物及可塑劑為不可缺少之成 份。根據此申請案所製得之結構,其一點也不符合一基質 中超佳吸收物之特定排列,因為此文件所敘述之法,例 如,擠壓、混合或摻合係完全不適用於此。 所述之板狀材料分裂成小塊之後,顆粒除了仍然具有 極佳之吸收物外,其基質材料不溶於水。 本發明之目的係提供一種特定排列之超吸收聚合物, 其表面之超吸收聚合物能夠於膨脹容量方面充分發揮,亦、 即無吸收容量之損失。 -4- (請先閱讀背面之注意事項再填寫本頁) 訂 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) 592737 A7 經濟部智慧財產局員工消費合作社印製 __pnfl^n〇4i Am - F^/?d五、發明説明() 本發明另一目的今發現簡單及便宜方法製造極佳吸收 性表面之程序,此外,表面不可固定於如曰本專利申請案 第75-85462號所述之基材上,故此表面使用上較普遍化。 此目標係藉由似板狀之吸收結構,達到對水及水溶液 的吸收,其包含: A) 至少一個水膨脹性、合成及/或天然的聚合物,及 B) 至少一個水溶性、合成及/或天然的聚合物。 其中成份A係併入或束缚於基質成份B中,使其具有 特定性質之似板狀材料。 此種結合不會減少超吸收聚合物之吸收容量,因為基 質材料接觸水或水溶液時會溶解,因此不會妨礙SAP的膨 •脹。依據本發明,得以將吸收劑對水或水溶液的吸收速率 控制具體化,此外,此吸收體之柔韌性亦可依所使用條件 的不同而加以調整。 適當的基質基材包括二者,一為合成的、水溶性成膜 聚合物如聚乙烯醇、聚烷基烯丙基醚、聚乙二醇醚、聚乙 烯基吡咯酮、聚丙烯酸酯、·聚甲基丙烯酸酯及其衍生物及 共聚物;另一為天然、水溶性成膜聚合物,如古亞膠 (guar)、藻酸、洋菜、黃原膠、果膠,及澱粉及相似物; 及以化學方法變更之原料,如醚類及/或酯類及/或水解產 物及/或聚糖類或蛋白質氧化的產物,例如,纖維素、溶 膠澱粉、澱粉或麥麩質;和共聚合物及/或以天然或合成 聚合物為基材之接枝聚合物。 (請先閱讀背面之注意事項再填寫本頁) 訂 線 --i---Ί--- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) 592737 A7 B7 經濟部智慧財產局員工消費合作社印製 pn«snn4i Am - ^/ολ五、發明説明() 基質材料之選擇可視最終所需使用情形而定,超吸收 表面的柔韌性可藉由基質材料的改變而有很寬的範圍。如 果為一既知之基質材料,其超吸收表面的柔韌性及剛性, 可藉由添加物而改變,如助塑劑或可塑劑,例如,2-乙基-己醇,甘油及酞酸酯,但其柔韌性亦可藉由添加填充劑如 白堊、顏料及纖維而改變。 SAP基材的使用,可包含二者,一為合成材料,如水 膨脹性聚合物及/或以下列為基材之共聚合物:曱基丙烯 酸、曱基丙烯腈、甲基丙烯醯、乙酸乙烯酯、乙烯基吡咯 酮、乙烯基吡啶、順丁烯二酸(酐)、亞曱基丁二酸 (酐)、反丁烯二酸、乙烯基磺酸及其鹽類、醯胺類;N-烷基衍生物、N,N-二烷基衍生物及與可聚合酸之酯類;另 一為天然來源物質,產物如古亞粉、羧曱纖維素、黃原 膠、藻酸膠、阿拉伯膠、羥乙基纖維素、羥丙基纖維素、 曱基纖維素、澱粉及澱粉衍生物,和關於部份交聯之產 物。 較佳的材料為部份中和、輕微交聯之聚合物及丙烯酸 和丙烯醯胺的共聚合物;澱粉接枝之聚合物及交聯型澱粉 及纖維素衍生物,適用產品包括,如可用之商品FAVOR® 及德國斯達霍森化學纖維公司(Chemische Fabrik Stockhausen GmbH)之 Stockosorb®。 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 严y 73 2 9 A7 __…n… 五、發明説明() 所使用超吸收聚合物的粉末,其粒徑分佈可於較寬的 限制中改變一適當的粒子部份在0.1微米至20,000微米之 間,較佳之粒子部份在1微米至5,000微米之間,最佳之粒子 部份則於20至1,000微米。 導入表面的SAP粉粒部份,主要依最終所需的薄膜或 板狀而定,一般在尿布中所使用的粒子部份約在500微 米,農業中較佳之粒子部份約1,〇〇〇微米,電纜工業中較佳 則約在100微米或更小。 根據本發明所製造之超吸收表面,係將前面所提之成 份合併起來,最後以黏性大之水溶性聚合物溶液塗於表 面,如一片金屬、矽氣化紙張,其可藉適當方法完成之, 如喷塗、展塗及刮刀塗佈。此表面可以為平坦的、大面積 構造及球的表面。 然後,水溶性聚合物表面係以超吸收聚合物散佈其 中,所得產物在適當溫度下乾燥,即介於通常使用的冷凍 乾燥溫度至攝氏300度之間,較佳為任意減壓下之溫度攝 氏50度至攝氏240度之間。 微波或冷凍乾燥方式亦可用於乾燥此板狀材料。· 製造吸收性板狀材料期間,特別是在乾燥時,基質材 料B及吸收性成份A之間可能形成物理或化學鍵結。酯化 反應便是形成化學鍵結的一個例子’其發生在魏基及經基 之間。物理鍵結的形成,如成A份表面區域聚合物分子的 成環或糾結,或成份A及B中聚合物分子官能基間的相互 作用。 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) (請先閲讀背面之注意事項再填寫本頁) J—訂 線- 經濟部智慧財產局員工消費合作社印製 592737 A7 經濟部智慧財產局員工消費合作社印製 __. .. _PCfifSQQ41 ΑΠ1 - fl/74五、發明説明() 乾燥之後,超吸收之板狀表面材料會從暫時使用的表 面中分離。 其他較佳之超吸收表面製造,係根據本發明中散佈一 個膜或以SAP形成基質材料的其他表面來執行,之後,以 水或水溶液或其他溶劑混合物弄濕;或藉由散佈一個膜或 以基質材料中具有濕的SAP時,所形成的其他表面,之後 再乾燥此表面。 其他較佳之超吸收表面製造,係根據本發明中散佈一 個膜或以SAP形成基質材料的其他表面來執行,再加熱此 混合物至基質材料軟化為止。如此形成之表面可再額外地 砑光,以增強超吸收聚合物在基質中的固定,此法所使用 之基質材料必須是熱塑性的。 其他較佳之吸收性板狀材料製造,係根據本發明中藉 由擠壓基質材料來執行。SAP可在.擠壓期間、之前或之後 以適當型式(針對粒子大小及量測方法)加入。 一表面上呈特定排列之SAP,可藉擠壓含SAP的基質 材料而得到纖維。再用適當方法(氣流、吹塑),於似板 狀情況下排列這些纖維。 如此特定之排列方式可透過使用型板過程或由使用特 定散佈排列之超吸收聚合物粉末,使之易於暸解其製程。 空間特定之吸收物結構可由多個超佳吸收表面形成薄板狀 而得之,此吸收物可能另外有其吸收梯度。 (請先閱讀背面之注意事項再填寫本頁)
本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 73 2 9 A7 B7 ........ . . ._ pr«c;nn41 ΑΠ1 - 9ΠΑ 五、發明説明() (請先閱讀背面之注意事項再填寫本頁) 根據本發明,製造水溶性薄膜期間,片狀材料亦可形 成,也就是說,適當的程序步驟製造似板狀基質時,超佳 吸收物便直接地導入前述之基質中。 超吸收聚合物和基質間的比例可於較寬的範圍中調 整,基質:SAP的範圍=1 : 1,000至100 : 1之間,較佳為基 質:SAP= 1 : 100至10 : 1之間,最佳之比例為基質:SAP =1 ·· 25 至 2 ·· 1之間。 吸收性表面之厚度受二種因素影響,一為粒徑和基材 使用量,另一為SAP使用量。厚度範圍介於0.2微米至30,000 微米,較佳為1至6,000微米,最佳之厚度在20微米至2,000微 米之間。吸收性表面之厚度必須以最終所欲使用厚度為 準,例如,使用於尿布結構或女性衛生用品,表面層之厚 度須愈薄愈好,以增加使用性質,若此表面欲使用於貯藏 準備上,較大的厚度方能使基材延遲釋放。 經濟部智慧財產局員工消費合作社印製 最令人驚訝的發現是這些表面對水或水溶液之吸收 性,與所導入的超吸收材料的量是一致的。超佳吸收體的 吸收容量無損失,此預測應為基質材料存在之故。此可應 用於總吸收量及殘留量(負荷之後的吸收)和負荷期間之 吸收量(承受負荷的吸收)。 另外令人驚訝的發現是這些表面對水或水溶液的吸收 速率視基質材料與超吸收聚合物之比例而定。因此,吸收 速率可藉由SAP/基質的比例來控制,事實上,亦可藉由基 質材料的種類來控制,換言之,較大的基質部份導致吸收 速率的降低。 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) 592737 五、發明説明() 經濟部智慧財產局員工消費合作社印製 A7 B7 PCfifin〇41 ΑΠ1 - 1Π/94 根據本發明,超吸收表面符合一表面上超吸收聚合物 呈特定排列的要求’此可有效地使用於衛生用品,超佳吸 收物作特定排列使用於衛生用品時,其優點敘述於歐洲專 利第212618B1號;此結果為,例如實際上於尿布中液體 的負荷是非均勻的,此種原故,有必要提供多位 SAP濃度的尿布。 ‘ 測試方法 茶包測試(Tea bag test簡稱(TBT)) 使用TBT法決定吸收容量,以〇·9百分比的鹽水溶液作 為測試溶液(若無特別聲明)。 將一片材料的吸收表面打孔,取出約含〇2公克的 SAP,此部份稱重後放入茶包中,之後將茶包浸入測試溶 液中一段時間。浸入5分鐘後,將茶包稱重(決定ΤΒτ之 最大值一max.),然後以離心法離心(商用旋轉乾燥器, 1400轉),再稱重(決定殘留之重量一rcte)。 以相同之材料於不同的浸置時間下作數次測試,可以 決定水或水溶液的吸收性為超吸收板狀材料的浸置時間 數。 " 液體的吸收性可表示成1公克的物體、1公克的 用或1平方公尺的物體於承受負荷下之吸收(Absorption under Load 簡稱 AUL )。 為決定承受負荷下液體的吸收容量,便須決定%^ 負荷下之吸收” 一敘述於歐洲專利第339,461號。 10- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閲讀背面之注意事項再填寫本頁,>
592737 A7 B7 五、 發明説明( PC850041.AD1 - 11/24 將此、、口構修,以AUL掛鐵内徑大小相同的圓形超吸 收材料測試其性質,液俨的口只 欣把的吸收性可表示成1公克的物 體,1公克的SAP使用或丨平方公尺的物體。 為了進纟説明本發明之特徵及技術内容,請來閱以 下有關本發明之詳細說明,下列實施例將可為本發明 細之例證,有關本發明之附圖為: 圖一為實施例11中使用之型模,其中分散組織分為 1·(竞區)分散組織之穿透部份 2·(暗區)分散組織之非穿透部份 圖二為實施例15中之尿布結構 1·板狀之聚丙烯-不織表皮及聚乙烯膜 2·併合橡膠纖維之洩漏保護部份 3.聚丙烯之不織表皮 4·背面部份之聚乙烯膜 5. 纖維素-纖維中心之包圍部份 6. 含有超吸收板狀材料之中心部 實施例1至3 經濟部智慧財產局員工消費合作社印製 -11 - 本纸張尺度適用中國國家標準(CNS ) 公釐) 592737 A7 B7 五、發明説明( 以25公克Vinol® 205 (水溶性聚乙烯醇)及乃公克去 離子水製成咼黏度之液體,一部份溶液(參見表)均勻展 塗於270平方公分之表面(鐵弗龍塗佈之膜或相似物), 此表面以30公克超佳吸收物FAV〇R@SXM1〇()(交聯鬆 散、部份中和之聚丙烯酸酯)散佈其中,然後在攝氏18〇 度乾燥5分釦,之後未固定部份以刷子刷除。具有柔韌 性、超吸收區域便可輕易從表面(鐵弗龍塗佈膜)中分離 而得。 表1 ··此表顯示吸收速率與基質:SAp之比例關係,基 質部,愈少,導致吸收速率愈
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SAP
Vinol® 2 0 5 T B T ( 3 〇 秒) max./ ret. T B T ( 6 0 秒) max./ ret.
T B T (30 分) m a re il (公 克) (公克/平 方公尺) (公克/平 方公尺) (公克/公 克)/(公克 一 /公克) (公克/公 克)/(公 克/公克) ( 克)/ /公 克) 經濟部智慧財產局員工消費合作社印製 2 SXM 100 10 2 2 6 18 2 2 0 3 9 4 6 2 3 -12 - 6/6 /7 9/9 9/9 9/9 12/12 13/1 14/14 5 0 5 0 5 0 本紙張尺度適用中國國家標準(CNS ) A4規格(2丨0X297公釐) 592737 A7 B7 五、發明説明() , (付號表示ΤΒΤ值係指超佳吸收物之使用量,其餘 ΤΒΤ值則表示每單位面積之重量) (請先閲讀背面之注意事項再填寫本頁) 實施例4 與實施例2相同之程序,但此以1公克M〇wi〇1® 4/88 (HoechstAG之水溶性聚乙烯醇)與3公克水組成之溶液於 476平方公分之表面上塗佈,程序之後(參見實施例 可付到189么克/平方公尺之柔勒性超佳吸收物,M〇wi〇i® 4/88的部份為21公克/平方公尺。 TBT : maxVret【公升/平方公尺】/【公升/平方公尺】 = 9·4/5·8; AUL〔2*l〇3 帕(pa)〕= 5·7 公升/平方公尺 實施例5 程序如實施例4。不過以Mowiol® 5/88 ( Hoechst AG之水 溶性聚乙烯醇)替代Mowiol® 4/88,程序之後(參見實施 例1-3 )可得到144公克/平方公尺之柔韌性超佳吸收物, Mowiol® 5/88的部份為21公克/平方公尺。 TBT : max./ret·【公升/平方公尺】/【公升/平方公尺】 = 7·2/4·4; AUL〔2*l〇3 帕(p$)〕= 4.4 公升/平方公尺 實施例6 ^ 經濟部智慧財產局員工消費合作社印製 由200公克去離子水,5〇公克甘油及1〇公克古亞粉 (Roeper之104型)攪拌至均相之溶液,展塗於3,〇〇〇平方公 分表面且以1〇〇公克FAVOR® SXM 100散佈其中。此表面於 75°C時乾燥4小時,之後再以軟刷除去未附著2SAp。 可得到適當柔韌性之吸收表面,其SAp部份為2〇〇公克 /平方公尺。 -13- 尽紙張尺度通用T國國豕標準(CNS ) A4規格(210x297公釐 592737 A7 B7 五、發明説明() 實施例7 程序如實施例6。不過以羧甲纖維素(wdf Walsr〇(je之 Walocel® 40000型)替代古亞粉。此外,於13(^c時乾燥3〇 分鐘’此所得之表面具柔韌性且其SAp部份為18〇公克/平 方公尺。 實施例8 程序如實施例7。不過以Acrakonz® BN (水溶性、部份 交聯、以 Chemische Fabrik Stockhausen GmbH的丙烯酸衍生物 為基礎之陰離子乳化聚合物)替代羧甲纖維素。依據 Acrakonz® BN的濃度,相對使用較大量(%公龙)之產 品’所得之表面具柔韌性且SAP部份為240公克/平方公 尺。 表2 :本表顯示所使用基質種類與吸收速率的關係。 實施例 SAP TBT(3 0 秒) TBT(60 秒) TBT(3 00 秒) m a X . / r e t . m a X · / r e t . m a X · / r e t (公克/平 方公尺) (公克/公 克)/ (公克 /公克) (公克/公 克)/(公克 /公克) (公克/公 克)/ (公克/ 公克) 6 2 0 0 6/6 15/15 2 1/16 7 18 0 7/7 10/10 13/13 8 2 4 0 5/5 10/8 18/15 (TBT值係指每單位面積之重量) -14- 本紙張尺度適用中國國家榡準(CNS ) Α4規格(210Χ297公釐) n' — - - I n I--__ (請先閲讀背面之注意事項再填寫本頁)
、1T 線 經濟部智慧財產局員工消費合作社印製 經濟部智慧財產局員工消費合作社印製 592737 A7 τ>η ----— ___pnftsnrui Am - iw 五、發明説明() 實施例9 1平方公尺之聚乙稀醇薄膜(aquafilm Ltd·之Reel L336 ; W/0 1483,厚度20微米)以50毫升含50%水及50%乙醇溶液 喷塗後,再以400公克之FAVOR® SXM 100散佈其中,將此 表面粉末輕壓後,於120°C時乾燥5分鐘。 未固定之SXM100部份以粉塵排出裝置除去,剩餘部 份為113公克/平方公尺。 TBT : max./ret.【公升/平方公尺】/【公升/平方公尺】 = 5.7/3·5; AULC2*l〇3 帕(pa)〕= 3·5 公升/平方公尺 實施例10 1平方公尺之聚乙烯醇薄膜(aquafilm Ltd·之Reel L336 ; W/O 1483,厚度50微米)以50毫升含50°/。水及50%乙醇喷塗 後再以400公克之FAVOR® SXM 100散佈其中,將此表面粉 末輕壓之後,於120°C時乾燥5分鐘。 未固定之SXM100部份以粉塵排出裝置除去’剩餘部 份為179公克/平方公尺。 TBT : max./ret·【公升/平方公尺】/【公升/平方公尺】 = 8·9/5·5; AULC2*l〇3 帕(Pa)〕= 5·4 公升 /平方公尺 實施例11 -15- 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公麓Γ (請先閱讀背面之注意事項再填寫本頁)
592737 A7 B7 五、發明説明() 含有2公克Vinol® 205,2公克甘油及6公克水之溶液分 佈於面積14*44公分之鐵弗龍塗佈薄膜,然後將一型板 (參見圖一)置於其上,可用面積以9公克faVOR® SXM 1〇〇散佈其中。將此表面於空氣再循環乾燥器14(rc中乾燥 5分鐘之後’再噴塗含0.25公克Vinol® 205、0.25公克甘油及 公克水之溶液,然後再以上述相同條件乾燥之。 從鐵弗龍塗佈薄膜上移去後便可得到具有柔韋刃性且其 吸收性與此表面所使用之超佳吸收物相當之表面。 實施例12 重覆實施例11,然而此時不使用甘油,所得表面為堅 硬、易脆且柔韌性差,其吸收性與此表面所使用之超佳吸 收物相當。 實施例13 由2公克Vinol® 205,2公克甘油及6公克水組成之溶液 分佈於面積14*44公分之鐵弗龍塗佈薄膜,然後將一型板 (參見圖1)置於其上,可用面積以6公克FAVOR® SXM 1〇〇散佈其中。將此表面於空氣再循環乾燥器140°C中乾燥 5分鐘。 經濟部智慧財產局員工消費合作社印製 之後,以0.25公克Vinol® 205,0.25公克甘油及1.5公克 水所組成之溶液喷塗,再將型板置於其上,可用面積以 4.5公克FAVOR® SXM 100散佈其中,然後再以上述相同條 件乾燥之。 -16 - 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 592737 A7 五、發明説明() 再重覆喷塗、放置型板及散佈SAP,SAP使用量為2.5 公克,最後,再次進行喷塗及乾燥。此表面便可從移除鐵 弗龍塗佈薄膜後得之。此表面為柔韌性且吸收容量相當於 超佳吸收物之量,其均在空間方向中作特定之排列。 實施例14 1平方公尺之聚乙烯醇薄膜(aquafllmLtd.之ReelL336 ; W/0 1483,厚度20微米)以50公克之FAVOR® SXM 100散佈 其中,輕壓此表面粉末後,相同材料的第二層膜再覆於其 上。此表面覆蓋鐵弗龍塗佈薄膜且熨燙之(熨燙溫度設定 為180°C ),直至PVA薄膜及超佳吸收物互相融溶。 此表面吸收性與SAP使用量相當。 實施例15 根據圖2,以實施例13之製法所得之薄膜製成一尿 布’從尿布產品中,使用聚乙烯膜及聚丙烯-不織表皮為 材料,實施例13中所製得之表面則使用於中心部分(6)。 實施例16 以實施例2中敘述之表面1〇*15公分,置於一包裝淺盤 中’並以市售之廚房織品(Kleenex)覆於其上。取一徹底 柬結之雞肉(850公克)置於織品上,全部凝結的水(測 試時間18小時)均由本發明之表面吸收。 實施例17 -17- 本紙張尺度適用中國國^7^_) A4規格(210χ297公褒) (請先閲讀背面之注意事項再填寫本頁) 、1Τ· 經濟部智慧財產局員工消費合作社印製 592737 經濟部智慧財產局員工消費合作社印製 A7 — --—~ _____— ___EC850D41 ΑΓΉ - 五、發明説明() 將型板取去,以FAVOR®,Stockosorb® 4ζ)0 (丙稀醯胺 為基材之鬆散交聯塑共聚合物)取代,重覆實施例12,並 從此面積中裁剪大小1*1.75公分之長條,將8條長條物完全 插入具有園藝模型狀之圓柱狀花盆(高10公分,直徑8.5公 分)中,再將模型放置於潮濕中5天,之後,此薄膜會被 溶解而使SAP呈特定排列地呈現於模型中,此排列可以適 用於如植物之耕種。 實施例18 重覆實施例1,取代FAV0R®,以實施例9中所述,使 用PCT/EP93/01060製作相同量之超佳吸收貯藏室。 茶包中有1平方公分的產物’將茶包浸入0.2%鹽類溶 液50毫升中1小時。1小時後以新的鹽類溶液更替。 即使經過5小時的循環,從藍色的鹽類溶液中,顯示 出有活性物質的釋出。 實施例19 將實施例10所製得之表面依實施例14所述之方法褽费 成一織物,使用於電纜線之護套。本發明之表面合成物及 織物具有高的機械穩定性,此織帶保有其柔韌性、其吸收 性與SAP部份相當。 上述之具體實施例是用來詳細說明本發明之目的,特 徵及功效,對於熟悉該項技藝人士而言,根據上述說明可 能對該具體實施例作部分變更或修改,而不脫離出本發明 之精神範嗜。 -18 - 本紙張尺度適用中國國家^準(CNS ) A4規格(210X297公釐1 ' 一 — (請先閱讀背面之注意事項再填寫本頁}
Claims (1)
- 592737 A8 B8 C8 D8 、申請專利範圍 爲· 成份B係爲基於:甲基丙烯酸、甲基丙烯腈、甲基丙 烯醯胺、乙酸乙烯酯、乙烯醇、乙烯基吡咯烷酮、乙烯基 吡啶、順丁烯二酸(酐)、亞甲基丁二酸(酐)、反丁烯 二酸、乙烯基磺酸、醯胺類、N-烷基衍生物、N,N-二烷基 衍生物及這些可聚合酸之酯類之水可溶聚合物或共聚合物 根據申請專利範圍第1項之板狀吸收劑,其特徵 爲.· 成份B爲水可溶天然聚合物或天然來源之聚合物,如 古亞粉、羧甲基纖維素、黃原膠、藻酸鹽、阿拉伯膠、殼 糖、聚葡萄胺糖、洋菜、羥乙基纖維素、羥丙基纖維素、 甲基纖維素、澱粉及澱粉衍生物,或其混合物。 7 ·根據申請專利範圍第1項之板狀吸收劑,其特徵 爲: 成份B係爲聚合物或共聚合物,以及輕微交聯之天然 物或天然來源之聚合物的混合物。 8 ·根據申請專利範圍第1項之板狀吸收劑,其特徵 爲· B : A之比例=1 : 1,000至100 : 1,且最佳爲B : A = 1 : 25至2 : 1之間。 9 ·根據申請專利範圍第1項之板狀吸收劑,其特徵 爲· 成份A與B會有部份互相產生化學反應。 本紙張夂度適用中_國家標準(CNS) A4規格(210 X 297公釐) -------------------•—訂 J.............•-線 (請先閲讀背面之注意事項再塡寫本頁) 592737 B8 C8 D8 六、申請專利範圍 1〇 ·根據申請專利範圍第1項之板狀吸收劑,其特 徵爲: 成份A與B係完全以物理方式互相連結。 1 1 ·根據申請專利範圍第1項之板狀吸收劑,其爲 薄膜狀、板狀、薄片或滾筒狀物體;薄板狀或其他層狀產 品之形式。 1 2 ·—種生產板狀吸收劑之方法,其特徵爲:板狀 基質係由至少一種水可溶、合成及/或天然的聚合物(B)所 形成’且備有一個水可膨脹、合成及/或天然的聚合物(A) 〇 1 3 ·根據申請專利範圍第12項之方法,其特徵爲: a) 成份B的溶液於水或水溶液中製備; b) 前述之溶液係塗於表面; c) 前述之表面以成份A散佈其中;且 d) 所得板狀結構被乾燥過。 1 4 ·根據申請專利範圍第13項之方法,其特徵爲: 步驟b及c重覆多次,可視需要於中間乾燥。 1 5 ·根據申請專利範圍第13項之方法,其特徵爲: 該板狀吸收劑最後之處理係根據申請專利範圍第13項中之 步驟b及d。 1 6 ·根據申請專利範圍第13項之方法,其特徵爲: 成份B之溶液,其使用方式爲展塗、刮刀塗佈、噴塗、傾 倒、滾隙緩塗或滴流。 1 7 ·根據申請專利範圍第12項之方法,其特徵爲: 3 ___ 適用中國國家標準(CNS) A4規格(210 X 297公釐) « . 「-----ri^l^ -.............-訂----------------線 (請先閲讀背面之注意事項再填寫本頁) 592737 A8B8C8D8 六、申請專利範圍 a) 成份B之膜與成份A之物質互相接觸; (請先閲讀背面之注意事項再塡寫本頁) b) 添加適合成份B之溶劑,其所製得之薄膜爲可溶性 但並不會溶解;且 c) 所製得產物被乾燥過。 1 8 ·根據申請專利範圍第17項之方法,其特徵爲: 須先將適合成份B之溶劑添加後,再將成份a散佈於其上 〇 1 9 ·根據申請專利範圍第17或18項之方法,其特 徵爲:步驟a、b係重覆多次操作。 2 0 ·根據申請專利範圍第Π項之方法,其特徵爲: 該板狀吸收劑於最後乾燥前或後要以成份B之薄膜覆蓋。 2 1 ·根據申請專利範圍第17項之方法,其特徵爲: 成份B所用之溶劑,其使用方式爲展塗、刮刀塗佈、噴塗 、傾倒、滾隙緩塗或滴流。 2 2 ·根據申請專利範圍第13項之方法,其特徵爲: a) 適合成份B使用之溶劑係與成份A混合; b) 成份B的薄膜係與前述之混合物接觸; 0所得產物被乾燥過。 2 3 ·根據申請專利範圍第22項之方法,其特徵爲: 步驟a、b係重覆多次操作。 2 4 ·根據申請專利範圍第22或23項之方法,其特 徵爲:步驟c所得之產物最後以成份B之薄膜覆蓋。 2 5 ·根據申請專利範圍第22項之方法,其特徵爲: 成份B所使用之溶劑係藉噴塗、傾倒、滾隙緩塗或滴流塗 4 張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) " ' 592737 B8 C8 _ D8 六、申請專利範圍 於成份A。 2 6 ·根據申請專利範圍第13項之方法,其特徵爲: a) 成份B的薄膜係以成份a之聚合物散佈;且 b) 根據申請專利範圍第2至4項中任一項之聚合物, 係於熱或壓力下於薄膜中固定。 2 7 ·根據申請專利範圍第26項之方法,其特徵爲: 步驟b中所得之產物於熱處理前係以另外之成份B之薄膜 覆蓋。 2 8 ·根據申請專利範圍第25項之方法,其特徵爲: 步驟b中所得之產物於熱處理後係以薄膜覆蓋。 2 9 ·根據申請專利範圍第26或27項之方法,其特 徵爲:方法步驟a、b可視需要重覆之。 3 0 · —種生產根據申請專利範圍第1項之板狀吸收 劑之方法,其特徵爲:成份A於擠壓期間倂入成份B中。 3 1 ·根據申請專利範圍第13、π、22及26項中任 一項之方法,其特徵爲:提供成份A於成份B中呈特定排 列的型板,係被使用來散佈成份A。 3 2 ·根據申請專利範圍第1項之板狀吸收劑,其係 使用於衛生及醫療領域之衛生用品以吸收水份或體液。 3 3 ·根據申請專利範圍第1項之板狀吸收劑,其係 可直接或作爲天然成份及/或人造土壤使用於植物耕作, 或運輸及貯存植物或植物某些部份。 3 4 ·根據申請專利範圍第1項之板狀吸收劑,其係 使用作爲水管及導管之堵水隔離材料,特別是使用於傳輸 5 本紙張尺度適用中國國家標準(CNS) A4規格(21G X 297公' Μ—t—--------------'-訂 1..........—線 (請先閲讀背面之注意事項再塡寫本頁) 592737 A8 g D8 六、申請專利範圍 電及光的電纜。 3 5 ·根據_專利_第丨項之臟p腫劑,其係 使用作爲建構兀件之堵水隔離材料,特別是外牆的使用。 3 6 ·根據申請專利範圍第丨項之板狀吸收劑,其係 直接使用或作爲於包裹材料中之液體吸收及/或液體貯存 元件。 3 7 ·根據申請專利範圍第1項之板狀吸收劑,其係 使用作爲衣物的一部份。 3 8 ·根據申請專利範圍第1項之板狀吸收劑,其係 使用作爲活性物質之控制釋放的貯存器。 (請先閲讀背面之注意事項再塡寫本頁) 、1Tr 線表 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
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US9042693B2 (en) * | 2010-01-20 | 2015-05-26 | Draka Comteq, B.V. | Water-soluble water-blocking element |
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JP5681510B2 (ja) * | 2011-01-27 | 2015-03-11 | 住友精化株式会社 | 吸水性樹脂組成物 |
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-
1995
- 1995-02-20 DE DE19505708A patent/DE19505708A1/de not_active Withdrawn
-
1996
- 1996-01-31 TW TW085101176A patent/TW592737B/zh not_active IP Right Cessation
- 1996-02-14 CZ CZ19972512A patent/CZ290746B6/cs not_active IP Right Cessation
- 1996-02-14 AT AT96904770T patent/ATE222780T1/de not_active IP Right Cessation
- 1996-02-14 CA CA002220948A patent/CA2220948A1/en not_active Abandoned
- 1996-02-14 KR KR1019970705624A patent/KR100431369B1/ko not_active IP Right Cessation
- 1996-02-14 AU AU48757/96A patent/AU702052B2/en not_active Ceased
- 1996-02-14 PL PL96321847A patent/PL183229B1/pl unknown
- 1996-02-14 SK SK1132-97A patent/SK113297A3/sk unknown
- 1996-02-14 HU HU9800220A patent/HUP9800220A2/hu unknown
- 1996-02-14 TR TR97/00822T patent/TR199700822T1/xx unknown
- 1996-02-14 DE DE59609593T patent/DE59609593D1/de not_active Expired - Lifetime
- 1996-02-14 US US08/894,475 patent/US6051317A/en not_active Expired - Fee Related
- 1996-02-14 JP JP8525365A patent/JPH11505468A/ja active Pending
- 1996-02-14 CN CNB961932090A patent/CN1196503C/zh not_active Expired - Fee Related
- 1996-02-14 WO PCT/EP1996/000621 patent/WO1996025959A2/de active IP Right Grant
- 1996-02-14 EP EP96904770A patent/EP0810887B2/de not_active Expired - Lifetime
- 1996-02-14 BR BR9607382A patent/BR9607382A/pt not_active IP Right Cessation
- 1996-02-16 AR ARP960101418A patent/AR000975A1/es unknown
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Also Published As
Publication number | Publication date |
---|---|
AU702052B2 (en) | 1999-02-11 |
KR100431369B1 (ko) | 2004-08-16 |
DE59609593D1 (de) | 2002-10-02 |
HUP9800220A2 (hu) | 1998-05-28 |
BR9607382A (pt) | 1997-11-25 |
CZ251297A3 (cs) | 1998-01-14 |
EP0810887B1 (de) | 2002-08-28 |
TR199700822T1 (xx) | 1998-01-21 |
PL183229B1 (pl) | 2002-06-28 |
MX9706306A (es) | 1998-06-28 |
BG63106B1 (bg) | 2001-04-30 |
WO1996025959A3 (de) | 1996-09-26 |
DE19505708A1 (de) | 1996-08-22 |
AU4875796A (en) | 1996-09-11 |
US6051317A (en) | 2000-04-18 |
CN1196503C (zh) | 2005-04-13 |
KR19980702227A (ko) | 1998-07-15 |
EP0810887A2 (de) | 1997-12-10 |
CA2220948A1 (en) | 1996-08-29 |
BG101838A (en) | 1998-10-30 |
ATE222780T1 (de) | 2002-09-15 |
EP0810887B2 (de) | 2007-10-17 |
SK113297A3 (en) | 1998-03-04 |
WO1996025959A2 (de) | 1996-08-29 |
JPH11505468A (ja) | 1999-05-21 |
CN1181023A (zh) | 1998-05-06 |
CZ290746B6 (cs) | 2002-10-16 |
PL321847A1 (en) | 1997-12-22 |
AR000975A1 (es) | 1997-08-27 |
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