TW302330B - - Google Patents
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- TW302330B TW302330B TW083103292A TW83103292A TW302330B TW 302330 B TW302330 B TW 302330B TW 083103292 A TW083103292 A TW 083103292A TW 83103292 A TW83103292 A TW 83103292A TW 302330 B TW302330 B TW 302330B
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/045—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyolefin or polystyrene (co-)polymers
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/716—Degradable
- B32B2307/7163—Biodegradable
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/23914—Interlaminar
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2025—Coating produced by extrusion
Description
302SG0 A7 B7 經濟部中央梯準局負工消费合作社印装 五、發明説明(1 ) 過去已經知道使非编绷纖維布與熱塑性膜结合之方法。 此外,在本技藝中热知使熱塑性瞋擠製曆合未拉伸之非编 嫌布之方法。 鼷於使未拉伸之非編雄布擠製層合的相閭専利包括美圃 專利申請案第 2.714,571 號;3,058.863 號;4,522,203 號;4,614,679 號;4,692,368 號;4,753,840 號及 5,035,941號。以上的'863及168專利掲示在®力滾荷夾 绀上與未拉伸之非編嫌布鼷合之前•先拉伸擠製的聚合,臢 。’203及’941專利指向在壓力滾简夾鉗上使多曆聚合膜與 未拉伸之非編嫌布共擠壓。’840專利掲示使膜與非纗嫌嫌 維擠製曆合以改進其間的结合之前,先預形成非鏞嫌聚合 膜。更特別地是140專利掲示在非钃織底曆Μ热知的浮凸 技術形成增稠及未增稠區,再Μ增稠的纖維區Μ擠製層合 改進非編雄纖維布與膜之間的结合。’941專利也說明了擠 製曆合成單曆聚合膜的未拉伸之非編纗布可能有一般自* 維平面垂直延伸的纖維形成的小孔,因此該専利是利用多 層共擠製膜預防小孔問题。而且,在美國專利申請案第 3,622,422 號;4,379,192 號及 4,725,473 號中揭示 Μ 鬆 的非編嫌纖維與聚合膜结合之方法。 也已知利用間隔唯合的滾荷降低基礎重最Μ拉伸非編嫌 嫌維布,並在逭種専利範蘭内的實例是美國專利申請案第 4,153,664號及4,517,714號。’664專利揭示一種利用一 對成間隔指狀的滾筒強化及軟化非牖嫌布,使非編織钃鰌 布Μ交叉方向(CD)或機械方向(MD)增量拉伸之方法。 (請先閎讀背面之注意事項再填寫本頁) 訂 本紙張尺度逋用中國國家橾準(CNS ) A4規格(210X297公釐) 83. 3.10,000 A7 B7 經濟部中央樣準局貝工消費合作社印製 五、發明説明(2 ) •664專利也揭示一種可選擇的具《霣豳例,其中將非編孅 纖維布暦合成熱塱性臢之後•再Μ間隔嚙合拉伸。 在以纖維布提供足夠的吸收或柔軟度時,則要持纗要求 在非纗嫌纖維底曆輿塱料膜之間達到滿意的结合強度。可 能非常期望提供使非編雄纖维布與热塑性膜结合的快速法 •賴Μ產生柔软的吸收曆及足夠的結合強度,在膜中沒有 小孔。為了克眼與目前有效的製程技術有讕的問® •故仍 有須要改進。 / 太發明的g沭 本發明集中在拉伸之非编嫌钃維布輿热塱性膜之拥製曆 合物。己改進在纖維布與擠製膜之間的结合強度及柔软的 嫌維姐嫌。本發明的另一偁目的是提供Μ約500至1000轉 /秒的線速之高速生產機械生產造種在熱塱性膜中沒有小 孔的層合物。 擠製層合物包含非编纗纖維布,具有很多自布的兩個表 面向外延伸的纖維端,並Κ增量拉伸延著寅質上均勻越過 布及其全深度的線條之纖維布形成布的表面。使热塑性膜 擠製暦合成纖維布的一面,Μ具有的纖維端延伸至膜中, 使布與膜结合,不會穿過膜,並Μ自另一涸膜表面延伸的 饑維嬝提供靥合物柔软的纖維姐嫌。 在最佳的形式中,本發明的方法包含在繚上拉伸及曆合 ,更特別地是本方法包含在增1拉伸非«織纖維布之後, . 再使其輿热塱性膜擠製曆合。先塌悬拉伸沿著實質上均勻 越IS布及其全深度的嫌條之纖維布,攞供很多自布的兩俚 (請先閎讀背面之注意事項再填寫本頁) 本紙張尺度逋用中國國家揉準(CNS ) A4規格(210X297公釐) 83. 3.10,000 30SS30 A7 B7 經濟部中央標準局負工消费合作社印装 五、發明説明(3 ) 表面向外延伸的纖維纗。於是將增量拉伸的纖維布引入滾 茼夾鉗内,並在夾紺中的布表面上擠壓•使布輿膜结合。 控制在夾鉗上的壓嫌力*使具有的嫌維皤會延伸至臌中的 嫌維布表面與膜结合,不會穿进膜。使其它具有延伸纖維 端的布表面持績提供層合物柔软的纖維姐織。 參考K下詳细的說明將會更瞭解本發明的其它好處•镊 點及目的。 龙窃明的詳钿銳明 f 本發明的目的是在高速的生產拥械上製埵热S性親輿非 编嫌布的靥合物,攞供布的一個表面具有滿意的结合強度 ,維持另一涸層合物表面具有柔软的似娀毛感。根據K上 的發展,在本發明較佳的形式中,以先增量拉伸沿著實霣 上均匀越過布及其全深度的埭條之嫌纖布提供很多自布向 外延伸的纖維端以達到本發明的目的。發現Μ先增悬拉伸 鑲維布Μ擠製曆合會引起布與熱塑性膜意想不到的结合強 度。而且,已發現以擠製可Κ製造這樣的層合物,不會在 熱塑性膜中形成小孔。因此,摘製層合物Μ热塑性膜使液 賭不可透過為其特微*同時維持曆合物的鎇維布表面上的 柔軟感。於是蹰合物具有在許多方面的應用*包括外科用 的長抱•被褥*繃帶,衛生用之產品等之類。 A. 層合物的材霣 K聚烯烴型的熱塑性膜較佳'•並可Μ是任何在纖維布上 熔融擠製的方式處理成供直接層合的膜之热塑性聚烯烴分 類。《合的热塑性聚合物可Κ生物分解或以環《分解。許 ----------¢--1.----—訂----,--一丄 (請先閲讀背面之注意事項再填寫本頁) -6- ,、 霉 本纸張尺度適用中國國家^準(CNS ) Α4規格(210X2免7公釐) 83.3.10,000 經濟部中央樣準局貝工消费合作社印製 A7 B7_五、發明説明(4 ) 多逋'合於本發明實例以生物分解的热塑性聚合物是Μ聚 (己内酯)或聚(己二酸次乙_)代表的固體常態的氧烷酵聚 合物或二烷酵聚合物及可Κ形成膜的多糖類或經改良之多 糖類,如澱粉樹脂組合物。逋合的熱塑性聚合物也可Μ是 環埔可分解的,包括Μ聚合物為主的聚烯烴。可以形成不 溶於水且不可使水透過的膜*在許多有用的物件製造中可 當成阻擋物使用*如尿片,期墊|包裝|披飾等之類。Μ 聚合物為主的烯烴包括如聚乙烯和聚丙烯之類常見以聚合 物為主的乙烯或丙烯,如乙烯乙酸乙烯(EVA) •甲基丙烯 酸次乙酯(EMA)和次乙基_酸(EAA)之類的共聚物或埴些 聚烯烴的混合物等。因此•可以使烯烴單獨聚合或輿其它 烯化的不飽和單體混合,包括舉例的乙烯;丙烯;卜丁烯 •,異丁烯;卜戊烯;如氯丁二烯之類的鹵化烯烴;如苯乙 烯或乙烯基之類的乙烯基笨和萘;如氛乙烯和氛亞乙烯之 類的乙烯基或亞乙烯基鹵化物;如乙酸乙烯_和苯甲酸乙 烯酯之類的乙烯基酯;丙烯酸和甲基丙烯酸(其它已知是 聚丙烯酸釀或甲基丙烯酸_)與彼等的酯類或醢胺類;及 如丁二烯,異戊間二烯和環戊二烯之類的二烯類。已知其 它通合於在本發明的合成薄片中當成膜使用的聚合物實例 與Μ上以本發明為背景引證確認的専利有闞,並將這些専 利併入本文Μ供參考。 非纗孅嫌維布可Μ包含聚2/嫌·聚丙烯,聚酯,人造躲 ,纖維素*耐隆等的纖維及逋些孅维的混合物。已提出許 多非纗嫌纖維布的定義。纖维通常是定長纖維或連鑛單纖 (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率(CNS ) Α4规格(210 X 297公釐〉 83.3.10,000 302S30 Α7 Β7 經濟部中央梂率局MC工消費合作社印製 五、發明説明(5) 絲。將根據本文使用的”非编嫌纖維布"在鐮稱的意義上是 用K定義大抵上平面的结構*即相對上平坻,柔韌及多孔 的结構,並由定長纖維或連續單繼躲所姐成的。為了詳妞 的說明非編嫌•參考KE.A.佛根(Vaughn)在第三販 (1992)的非騙織物工業協會之”非編嫌物入門及比較轼作 品0 B . 嫌維布之拉伸器 可Μ使用許多不同的拉伸器及技術拉伸初期或臞來盼非 鑷嫌纖維布。可ΜΚ下說明的拉伸器及技術拉伸定長纖維 的非編織起毛之纖維布或非編嫌長絲结合之纖維布。 1. 對角線間隔嚙合之拉伸器 對角線間隔咱合之拉伸器包含一對在平行軸的左側及右 側似齒輪的揉旋狀姐件。將袖配罝在兩俚機械側板的中央 ,上軸位於固定的袖承中,而下袖位於可垂直滑行的姐件 之袖承中。以可調整螺絲搡作的楔形組件使可滑行的组件 在垂直方向上調整。向外或向内扭_楔形物將分別使可垂 直滑行的组件向下或向上移動,使似齒輪的上間瞞嚙合之 滾輪與下間隔嚙合之滾輪更啣接或更分開。可搡作装置在 側架上的測撤鏑以指示間隔_合之滾輪齒狀物的躑接深度 〇 可使用空氣圓简將可滑行的姐件堅固地固定在彼等相對 於調整楔形物較低的_接位置丄以對抗受到經拉伸之材霣 的向上力。為了使材霣穿過間隔嚙合之設備或與在作用時 會開啟所有的機器夾鉗的安全埋路連接,故也可Μ使埴些 -8 - 本紙浪尺度逍用中國國家梂準(CNS ) Α4^格(210X297公釐) 83.3.10,000 ---------A ΐ . (請先閲讀背面之注意事項再填寫本頁) 經濟部中央梂準扃员工消费合作社印装 A7 B7五、發明説明(6 ) 圚简縮回,使上及下間隔嘈合之滾輪互相分開。 典型地使用一種驅動装置敗動靜止的藺隔嚙合之滾輪。 如果上間隔唯合之滾輪可接達成穿遘機器或安全的目的 時•則Μ使用在上輿下間隔咱合之滾輪之間的抗反動傳動 排列較佳·以確定一俚唯合滾輪的曲狀物在再醺接時《是 位於另一®哺合滾輪的齒狀物之間及«免可能傷害在間隔 嚙合的齒狀附加物之間的物理接觸。如果使闢隔咱合之滾 輪維持固定的啣接•則典型上不須要啟動間隔(《合之滾輪 _ 。使放動的間隔嚙合之滾輪穿遢纆拉伸之材霣可達成驅動 〇 * 間隔嚙合之滾輪非常類似於小間距的蟠旋齒輪。在較佳 的具體實施例中,滾輪具有5.935”的直徑· 45°的蟠旋角 ,0. 100”的檷準間距,30的直徑間距· 14 1/2°的壓力角 ,並具有基本上加上長的附加物之齒輪。這樣會形成窄且 深的齒形輪邴,容許至多約0.0 90”間隔咽合的啣接及在齒 狀物的側面約0.005"的間隙為材質的厚度。未設計以齒狀 物傅送循環的轉矩*並在以正常間隔咽合拉伸的搡作下, 齒狀物不會Μ金羼對金靨的接觸。 2. 交叉方向間隔哨合之拉伸器 交叉方向(CD)間隔咱合之拉伸器装置類似於對角線間隔 噶合之拉伸器*具有在間隔咱合之滾輪設計及K下註明的 其它少許區域上的差異。因為女叉方向間隔咱合之姐件能 夠有大的啣接深度*重要地是該設備併入一種會使兩俚間 隔嚯合之滾綸tt在上袖上昇或下降時會使_維持平行的装 ---------入乂 丨. (請先閲讀背面之注意事項再填寫本頁) 訂 本紙張认逋用中國古家琢準(CNS ) A4規格(210X297公釐) 83.3.10,000 A 7 B7 經濟部中央搮隼局負工消費合作社印製 五、發明説明(7 ) 置。這須要確實使一個間隔唯合之滾輪齒狀物總是位於另 —個間隔哨合之滾輪齒狀物之間及避免可能傷害在間隔嘈 合之齒狀物之間的物理接觸。以齒條及.齒輪的排列確保平 行的動作,其中將齒輪條接在每一個與可垂直滑動之姐件 並排的邊架上。使軸横過邊架•並在每一個可垂直滑動之 姐件的袖承中埋轉。齒輪存在於每一個該袖的末端,並在 與齒條的啣接下作用Μ形成期望的平行動作。 驅動交叉方向間隔咱合之拉伸器必須使上與下閜隔鳴合 之滾輪同時埋轉*除了在間隔唯合之拉伸器材質具有相對 高的褰擦係數的情況之外。然而,驅動不須要抗反動,因 為機械方向上少許不當的順序或驅動滑移不會導致任何問 趄。Κ交叉方向間隔唯合姐件的說明將會使該原因變明期 〇 Μ固體材質固定交叉方向間隔嚙合组件的型式·但是將 其敘述成Κ兩個不同的直徑圓盤交錯陳列的架子。在較佳 的具體實施例中•間隔嚙合的固盤可Κ具有6”的直徑· 0.031”的厚度•並在彼等的邊緣上具有完全的半徑邊緣。 分隔間隔咱合的面盤之間隔固盤可以具有5 1/2"的直徑及 0.069”的厚度。這種结檐的兩倨滾輪銪夠使所有俩面上的 材質間隔咱合成至多0.231”,留下0.019”的間陳。與對角 繚間隔嚷合之拉伸器一樣,該交叉方向間隔噶合的姐件结 構可Μ具有0.100”的間距。ι 3. 機械方向間隔哨合之拉伸器 機械方向間隔嚙合之拉伸器装置類似於對角線間限嚙合 -10- 本紙張尺度逋用中a國家標率(CNS > Α4规格(210X297公釐) 81 3.10,000 ----------^ Η ! (請先閱讀背面之注意事項再填寫本頁) 、π Α7 Β7 經濟部中央橾準局貝工消费合作社印裝 五、發明説明(8 ) 之拉伸器•除了間隔咱合的滾輪設計之外。拥械方向間隔 嚙之滾綸非常類似於小間距的正齒輪。在較佳的具體實施 例中,滾輪具有5.933”的直徑· 0.100”的間距,30的直徑 間距,14 1/2°的壓力角,並具有基本上加上長的附加物 之齒輪。在具有0.010”的齒輪切壓母横支距的這些滾輪上 取得第二届路徑,提供間陳更窄的齒狀物。具有約 0.090"囀接的這種结構在俩面上具有約0.010"的間皤為該 材質的厚度。 / 4. 埔量拉伸之技術 可从使用上述的對角嫌*交叉方向或拥械方向等間隔噴 合之拉伸器製造用K形成本發明®合物的增*拉伸之非编 嫌纖維布。通常在定長纖维或K细絲结合之單纖躲的非騙 嫌纖維布上利用拉伸作用。在本發明其中一届獨待的覼點 中,可以增量拉伸Μ细絲结合之單纖絲的非纗嫌纖維布· 提供曆合物非常軟的纖維成品,看起來像是具有極佳的结 合強度之起毛纖維。利用舉例的交叉方向間隔哨合之拉伸 器增量拉伸編織嫌維布,Μ從約500呎/分鐘至1000呎/ 分鐘或更快的速度通過具有約0.090吋至0.120时的滾简 «接深度之拉伸器。這種交叉方向增量或間隔嘈合之拉伸 器的结果會產生許多自兩個嫌布表面向外及鏊個嫌布深度 延伸的孅維端•提供極佳的结合強度及吹的纖維雄品。 太發明註钿的窨锎 " Κ下的實例例證本發明的擠製曆合物及製造彼等的方法 。依照瑄些實例及進一步詳细的說明•在本技藝的一般热 -11- 本紙ΒίΛ度適用中國國家輮準(CNS ) Α4规格(210X297公釐) 83.3.10,000 (請先閲讀背面之注意事項再填寫本頁) 訂 經濟部中央揉準局員工消费合作社印製 A7 _B7 _五、發明説明(9 ) 練者顧然可K進行各種變化,不會脫鐮本發明的範園。 參考画形會更加瞭解本發明,其中: 圔1是製造本發明層合物的間隔_合及擠製曆合裝置之 管線圖。 圃2是取自圖1的2-2媒之横截面圖示,例證在概略画 式中的間隔嘈合之滾简。 圆3是放大非编纗級維布的概略匾,展示拉伸之前的嫌 維0 / 圃4是放大在增ft拉伸之後國3的纖維布櫪略圈。提供 許多自兩個嫌布表面向外延伸的纖維端。 圓5是放大在層合之後鼷3的孅維布概略圔*展示在非 掮纗纖維及塱料膜表面之間低的结合。 圖6是放大在層合之後圃4的非钃嫌纖維布概略圓,展 示許多K增量拉伸及曆合所形成延伸至塑料膜表面内的纖 維端。 谁行好H·. »窨锎及1R 以低密度之聚乙烯(LDPE)_與增鼉拉伸之聚丙烯非鏞嫌 孅維布之擠製曆合作用直接與未拉伸之非«嫌聚丙烯對 LDPE之擠製曆合作用的比較。 A. 增量拉伸非编嫌纖維布輿熱塱膜之拥製曆合物 在擠製層合厚度約0.52密耳的LDPE熱塑性膜之前•根據 以上的說明,先K交叉方向拉、器增量拉伸重量為18公克 /平方碼起毛的聚丙烯非牖濰纖維布。在國1中展示出概 略的画示,在此使進來的布12通逢深度約0.0 90吋滾動酺 ---------Λ W (請先閲讀背面之注意事項再填寫本頁) 訂 -12- 本紙張尺度適用中國國家梯準(CNS ) A4规格(210X297公釐) 83.3.10,000 3(32330 經濟部中央橾準局貝工消费合作社印裝 五、發明説明(10 ) 接的交叉方向之拉伸器滾爾10及11,具有約5 00-1000呎/ 轉。在圖2中Μ立體画示展示間隔嚙合之滾简10及11,例 證Μ均勻拉伸沿著越遇布及通遇布深度的線條。拉伸之後 •經間隔咱合的布具有12公克/平方碣的重量。在國3中 立體國示展示開始的布12之横截面,在圔4中以立體匾 示展示拉伸之後與經拉伸的布9之横截面。接著使增量拉 伸的布9送至生產機械速度約500-1000呎/轉的管線中, 越遘空滾简13進入橡膠滾輪5與金饜滾輪4的夾紺中。/可 壤擇使用兩個金牖滾輪固定間隙。在夾紺上以橡腰滾輪5 使擠製的塑料膜層合成經拉伸的布9時,在夾紺上的金鼷 滾輪4還可以具有的浮凸臛累使該膜浮凸。在引入增最拉 伸的布時,使來自擠壓器1的LDPE膜3經塑棋2擠壓至夾 鉗中。在超過5 00呎/轉的速度下,典型地是將厚度約 0.25至8密耳的聚乙烯瞑3在約500 - 625Τ的熔融溫度下 曆合形成在滾茼7上取下來的層合物8 。控制在夾绀上的 懕縮力*使布的一面與聚烯烴膜结合,不會使膜有小孔及 維持在層合物8纖維表面上的雄維感。約10至8 0磅/平方 时的鼷力足以使約5至70公克/平方碼的纽维布達到滿意 的结合。在此實例中,使已拉伸的布12提供每平方碼具有 重最約12公克經拉伸的布9與聚乙烯膜3结合Κ獲得層合 物,該物具有根據每吋Μ公克計的剝離強度所澜得極佳的 结合強度。利用英石壯(Inst/on)張力試驗器及剝離曆合 物所須要以公克計的力最澜量剝離強度。本發明的靥合物 8表現出"全结合"•表示不可能以不破壞布9而使其自鬃 -13- 本紙張尺度適用t國國家揉準(CNS ) A4規格(210X297公釐) 83.3.10,000 (請先閲讀背面之注意事項再填寫本頁)
、tT Α7 Β7 經濟部中央搮準局貞工消费合作社印製 五、發明説明(11 ) 3上剝離。而且,利用Handle-0-計在交叉方向上以公克 計測最靥合物的柔軟性。這種設備測得布的纖維側面之柔 靱性及"手持性"約2公克,表示布非常/柔韌且柔钦。曆合 物也沒有小孔。 B. 比較實例 將圖3中展示12至18公克/平方碾的未烴拉伸之细躲吠 聚丙烯非編孅纖維布以上述實例1A的方式擠製層合成 LDPE熱塑性膜,除了不將其拉伸之外。 / 有許多與K上進行的實例1A及比較實例1B與匾3-6等有 蘭的發現。首先,與預測曆合物8的膜L與烴拉伸的布9 之間的结合強度會降低的结果相反•结合強度實霣上會超 過圖5的未拉伸之非編嫌孅維層合物19的结合強度。而且 •圖5的未拉伸之非編嫌纖維層合物19產生每吋具有60公 克的结合強度,達到上述經拉伸之非编嫌曆合物(圔6)的 "全结合”。闞於圖3-4 ,檢査拉伸之前與之後的非罐嫌布 表面,顬示增量拉伸會提供在布9中很多自兩僩非编嫌表 面向外延伸的延伸纖維端20 (參考Μ圖示證明的画3及4) Ο 在以不會形成小孔的全结合強度證明的擠製層合之後· 極佳的结合強度起因於很多Κ增曇拉伸形成的延伸纖維纗 20。以圖5及6的圔示證明Μ拉伸8及未拉伸19靥合物例 證增加的结合強度可歸因於很~多延伸至旖製的合成物_中 的纖维端。如21的展示。在檢査自然热塑性膜表面上小心 剝離非編嫌纖維布之後的冥實樣品時,利用拉伸之非纗嫌 -14- 本纸張適用中國國家橾準(CNS > Α4%格(210 X 297公釐) 83. 3.10,000 ---------Λ W · (請先閲讀背面之注意事項再填寫本頁) 訂 Α7 Β7 經濟部中央揉準局員工消費合作社印装 五、發明説明(12 ) 布9與未拉伸的布12比較,酣發現更多的纖維’或許各平 方时以百計的嫌維會確霣埋入在21的膜中°只有少許的纖 維22會延伸至未拉伸的布12之層合物10膜表面内。再W圈 示展示匾5及6的比較。 9 m 2-9 再進行一糸列的實例例證本發明的原理。在埴—糸列中 ,K類似於實例1中說明的方式拉伸及曆合Μ緬躱结合的 聚丙烯非編孅布。也可Κ相同的形式進行比較實例•除了 不拉伸非编嫌布之外。在造些實例中,將具有14公克/平 方碼基礎重最的JW细絲結合之聚丙烯非纗雄布以上述的装 置進行交叉方向之拉伸*並參考圈1 ,利用轉速為250轉 /分鐘的0.115时之交叉方向滾茼啣接的裝置。所生成拉 伸之非編織布非常大,並具有與自布表面向外延伸Μ结合 蹰合_的纖維端相同的特徴,一旦在約260轉/分鐘下Μ 0.25密耳與0.5密耳的膜尺寸使拉伸之非钃纗布與聚乙烯 膜(LDPE)擠製層合時·所獲得的靥合產物具有與上述實質 的或全结合強度相同的基本特激。利用热知的3 1/2吋之 擠壓器擠製LDPE膜,該擠壓器具有設定在介於420 - 5 70 Τ 之間的桶及詨定在470 - 5 30 Τ之間的塱棋,在此的熔融» 度約540Τ,而0.5及0.25密耳的鏍絲轉速分別是50及25轉 /分鐘。這些相同的步驟邃用於其它具有12公克/平方碾 基礎重最的非编嫌布。也以搞'製層合比較實例的12及14公 克/平方碼未拉伸的布。將使用拉伸及未拉伸的布擠製曆 合的程序之结果展示在Μ下的表中。 -15- 本纸張尺度逋用中Β國家橾準(CNS ) Α4規格(210X297公兼) 81 3.10,000 ----------{ --III----訂--------(I (請先閲讀背面之注意事項再填寫本頁) 五 13 /V 明説 明發 (ιώ4ς降oo8/1f) A7 B7 -K-ie (职私) (忘/踩句) «锥-^*lem <Π <Π 〇 in i^n 〇 Ο O 祀J in rr »-4 η n fW制 <w 6CU匡» s ifl 疳薄Νφίι ηε 〇 〇οο 經濟部中央標準局貞工消費合作社印製 (蠼枳阵/炽众) s§ 薄理祙 0 - 签媸舡19 ντ 工 2·6 ζ·6 8 8ετ
〇ς S S S
ST®丨DRSS坩箧鹧賴·^!3丨2趣坩涟(10]淀)绻链鮏\)笙啣喊抝«展2^4/ 。睡帐翔赵釤觖翔痤庀撇埋翔_RS®展*««:砟兹X »*砍_ 箧掣链®®。旧擗轵<-ίΗ 賴-«XI 觖S展+1 -ο-^ρ§Ηδ4ι®οτ<旺«: 。_闪£瞅雔踣兹如豳趙冢聆擗轵<<^_-制维饑眾_展踮鍚^闪睽涅3:路阳运 ----------^ J . (請先閱讀背面之注意事項再填寫本頁)
、1T 本紙張尺度逋用中國國家標準(CNS ) A4规格(210 X 297公釐) 83. 3.10,000 ‘#餘:. ______ 經濟部中央橾準局負工消费合作杜印«. 30SS30 五、發明説明(14 ) 參考以上的表,實例4證明以本發明在管線中拉伸及搞 製蘑合法會使0.5密耳尺寸的膜產生9.2公克/平方碼的 拉伸嫌布,並減少34.3%的重量。一旦製曆合後•在靥 合物中的布與擠製膜之間會達到完全的结合。比較结果· 實例2的未拉伸膜具有40的结合強度,證明Μ本發明的方 法會達到極佳的结合強度。而且* Κ實例2具有未编嫌的 布之曆合物柔軟度數值是4.5 。反之,本發明實例4的蹰 合物達到3.0的數值,說明在柔软度上有相當的改進ν歸 因於自層合物增量拉伸之鑛維面向外拉伸之雄維。 比較實例3及5 ,以0.25密耳的膜再證明本發明層合物 改進的结合強度及柔软度。在本發明實例5.的狀況中,從 14公克/平方碼拉伸至9.2公克/平方碼的非編繈布滅少 34.3%的重量,一旦擠製層合之後•结合強度會達到30。 比較结果•實例3的未拉伸的布層合物會達到15的结合強 度。比較未拉伸之層合物,增量拉伸的布層合物之结合強 度Μ從15加倍至30的這種改進確實令人驚訝,因為特別希 望拉伸之纖維布的结合強度可能比未拉伸的布層合物低。 另外,比較實例4的拉伸之靨合物,本發明實例5的未拉 伸之曆合物秦软物是2.5 ,證明本發明靥合物的柔软度有 相當的改進。 參考實例6-9 ,结果與實例2-6達成的那些结果類似。 換言之,Μ於在厚度為0.25與0.5,密耳及起始的非编嫌基 礎重量為12公克/平方碼的兩種膜中增量拉伸之非编嫌布 ,在兩個實例中滅少的重量都達到33.3%。在0.5密耳的 -17- 本紙永;^逍用中國國家標準(€阳以姑1^(21〇><297公釐> 83.3.10,000 (讀先閲讀背面之注意事項再填寫本頁) 訂
I Α7 Β7 五、發明説明(15 ) 實例中•以本發明的《例8再達到全结合。與實例7具有 结合強度為10的未拉伸的布比較,在本發明實例9的 0.25密耳之膜層合物會達到2 5的结合強率。比較表中K類 似於實例2-5的方式所展示出實例6-9的數值會同櫬證明 在柔軟度上明顯的改進。 除了以上的優點之外*根據該表的證明,在本發明的旖 製模中不會形成的小孔,雖然在旖製靥合遢程之前,各平 方时有很多數以百計的纖維會自拉伸之非编雄布的布表面 向外延伸。因此,在本技《中的一般熟練者可輕易地瞭解 以本發明在管埭中的增董拉伸及擠製靥合法可Μ達到顯著 的優點。與未拉伸之非»雄層合物比較,根據Κ上的證明 ,形成的擠製曆合物具有極佳的结合強度及柔軟度等特徴 。Κ本方法可使其它的聚烯烴,聚酯及其它的聚合物纖維 與其它的热塑性膜结合。計副ΚΚ上的實例例證本發明逋 些原理,好處及優黏等•並且當然可Μ使用其它的材質達 到相同或類似的结果。 從Μ上詳细的說明來看*當然可Μ使用本發明的原理依 據材質及條件進行本技韉的那些一般热練者所瞭解的變化 (請先閲讀背面之注意事項再填寫本頁) 訂 經濟部中央橾準局男工消费合作社印裂 -18* 本纸張尺度逍用中國國家揉準(CNS ) Α4規格(210X297公釐) 83.3.10,000
Claims (1)
1¾笔幻10 3 2 ii 2號專利甶請写 由,甶I畜專利i|画修王太(85年 月 Ϊ-Α8 B -m 申請專利範圍 2 . 3 . 4 . 經濟部中央標隼局員工消費合作社印製 一種非 一非 伸的_ 及其全 —許 if合成 转,, 摘,w 其中 人造絲 辑诲選 8密Ξ 碍的重 搏據申 含聚歸 根撺申 聚烯烴 根撺由 生物可 根撺申 合物洛 物〇 根搏由 i& m m m 頃雏辦雉 维端,係 深度線條 塑性_, 該绋物的 具有該辦 對該層合 該潘维丨糸 ,酎辑及 自聚乙烯 的_厚度 請專利範 I -ΨΤΤ ' * C· f *·' 烴_维。 請專利範 請專利範 陷解聚合 請專利範 選自聚乙 識物與 _物, Μ增量 之纖维 係Κ其 一表面 维端之 物提供 選自聚 二或數 *聚丙 ,Μ及 熟塑性 具.月眾 位伸延 織物而 所具有 ,俾使 該織物 柔軟的 丙烯, 種此等 烯,R 該_維 _之擠製層 多自識物的 著實質上均 形成,及 延伸至咦中 合物*包含 兩表面向外延 勻越過該織物 的纖维端擠製 織物與瞑结合,不會穿透 的另一表面則目其向外延 潘:维組識, 聚乙烯,聚 榮维的摻合 其共聚物* 織物具有5 詣,潘維素, 物,該熱塑性 並具有0 . 2 5至 到7 0克/平方 圍第1項之層合物,其中該纖维織'物包 圍第1項之層合物,其中該熱塑性瞑是 圍第1項之層合物,其中識物與Ρ是由 物製成的。 圍第4項之層合物,其中生物可强解聚 烯醇,聚己内§旨,澱粉聚合物及其摻合 請專利範圍第1項之^合物,其中該織物係由定 長或W埔絳结合的潘雄所形成: 一種同铀拉佝與擠製藺合非编識潘维識物及熱塑性_之 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐) -------^--裝-- (請先閲讀背面之注意事項再填寫本頁) 訂 1 -線 ο no 3 2 ύ s ABCD 經濟部中央標準局員工消費合作社印製 六、申請專利範圍 方法,其包含 提供非涓識纖維織物, 沿著實冒ii均勻越過該織物及其全深度之線條增量拉 伸該潘維織物,提供眾多自織物兩表面向外延伸的纖维 端, 蹲該增黃拉伸的纖维織物引人滾茼夾鉗內,以與熱塑 性_擠製商合* 在高於其欽化點溫度下于該夾绀中擠入一熱塑性擠製 物W形成辑, 控_夾鉗菀該缴維織物與擠製物間之壓縮力,使該織 释I的某一面與延伸至該p中的_雄端结合,不會穿透該 _,同時维持該延伸纖維端在纖雄織物的另一面上,以 對層合物提供柔軟的纖維组織, 其中該潘维係選自聚丙烯,聚乙烯,聚詰,纖维素, 人造绦,酎编及二或數種此等纖雄之摻合物,並且該缴 维竦物具有5至70克/碼平方之重量,而該熱塑性膜具 有0 . 2 5至8密互的瞋厚度,並且同軸拉伸及撺壓層合fe 在5 0 0至1 0 〇 0 f p m下進行。 » · 根搏甶請專利範圍第7項之方法,其中該纖维識物包括 聚烯焊纖适 9 . 根榑囪請專利範圍第8項之方法,其中該熱塑性_係聚 烯烴_。 ί 0 .根撺由講專利範阖第7項之3法,其中該熱塑性膜係選 自聚乙烯,聚丙烯及其共聚物, 1_ 1 .根撺由請專利範圍第7項之方法,其中該織物係由短锇 -9 - 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐) ^ 裝 訂 ^ I線 (請先閱讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製 祕 330 S D8 々、申請專利範圍 维或纺钻_维所形成。 ____- . ¾ - 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐) ^ 裝 訂—. - ^ I線 (請先閱讀背面之注意事項再填寫本頁)
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- 1994-03-09 AU AU64442/94A patent/AU670870B2/en not_active Expired
- 1994-03-09 PL PL94310625A patent/PL180805B1/pl unknown
- 1994-03-09 WO PCT/US1994/002491 patent/WO1994020298A1/en active IP Right Grant
- 1994-03-09 NZ NZ263664A patent/NZ263664A/en unknown
- 1994-03-09 DE DE69411895T patent/DE69411895T2/de not_active Expired - Lifetime
- 1994-03-09 CZ CZ19952230A patent/CZ286127B6/cs unknown
- 1994-03-09 AT AT94912193T patent/ATE168628T1/de not_active IP Right Cessation
- 1994-03-09 ES ES94912193T patent/ES2120030T3/es not_active Expired - Lifetime
- 1994-03-09 CN CN94191756A patent/CN1039682C/zh not_active Expired - Lifetime
- 1994-03-09 RU RU95118172A patent/RU2117580C1/ru active
- 1994-03-09 DK DK94912193T patent/DK0688263T3/da active
- 1994-03-09 CA CA002156888A patent/CA2156888C/en not_active Expired - Fee Related
- 1994-03-09 HU HU9502558A patent/HU218554B/hu unknown
- 1994-03-09 EP EP94912193A patent/EP0688263B1/en not_active Expired - Lifetime
- 1994-03-09 KR KR1019950703929A patent/KR960700889A/ko not_active IP Right Cessation
- 1994-03-09 JP JP6520263A patent/JP2625263B2/ja not_active Expired - Fee Related
- 1994-03-09 BR BR9406175A patent/BR9406175A/pt not_active IP Right Cessation
- 1994-04-13 TW TW083103292A patent/TW302330B/zh active
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1995
- 1995-08-31 NO NO953424A patent/NO302106B1/no not_active IP Right Cessation
- 1995-09-12 KR KR95703929A patent/KR0150767B1/ko active
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1998
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