TW469226B - Uniform stretchable fabric with flat surface appearance - Google Patents

Uniform stretchable fabric with flat surface appearance Download PDF

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Publication number
TW469226B
TW469226B TW88112106A TW88112106A TW469226B TW 469226 B TW469226 B TW 469226B TW 88112106 A TW88112106 A TW 88112106A TW 88112106 A TW88112106 A TW 88112106A TW 469226 B TW469226 B TW 469226B
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TW
Taiwan
Prior art keywords
fabric
elastic
inch
fiber
layer
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TW88112106A
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English (en)
Inventor
Kenneth Edward Martin
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Du Pont
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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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • D06M17/04—Producing multi-layer textile fabrics by applying synthetic resins as adhesives
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/593—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives to layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • 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
    • B32B2262/0207—Elastomeric fibres
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/20—Fibres of continuous length in the form of a non-woven mat
    • 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
    • B32B2307/732—Dimensional properties
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24446—Wrinkled, creased, crinkled or creped
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24669—Aligned or parallel nonplanarities
    • Y10T428/24686—Pleats or otherwise parallel adjacent folds
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/601—Nonwoven fabric has an elastic quality
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/601—Nonwoven fabric has an elastic quality
    • Y10T442/602—Nonwoven fabric comprises an elastic strand or fiber material
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/603—Including strand or fiber material precoated with other than free metal or alloy
    • Y10T442/607—Strand or fiber material is synthetic polymer
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/643—Including parallel strand or fiber material within the nonwoven fabric
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/66—Additional nonwoven fabric is a spun-bonded fabric
    • Y10T442/663—Hydroentangled
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/668—Separate nonwoven fabric layers comprise chemically different strand or fiber material

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
  • Woven Fabrics (AREA)
  • Multicomponent Fibers (AREA)

Description

_469226 五'發明說明⑴ 一 發明之領垃 本發明係關於單一複合可伸張織物，更特別地，係關於 具有k供平坦表面外觀之實質上平行彈性纖維之内層之 物。 f景技藝之討論
Hansen之美國專利3, 575, 782揭示使用具有每英吋織物 寬度為2-8螺紋線之820_1 120丹尼彈性纖維紗構成之_面 織物狀織網物質。織物全部以聚合黏合劑均質地浸漬。在 結合之複合物鬆開時，形成具有高曲率程度之縫褶或縐褶 :物質鬆開情況時之厚度為20 mi 1 s，而完全伸張情況時 之厚度為7 mi Is。
Hansen之美國專利4, 55 2, 7 9 5揭示年坦，撓性非彈性片 物質，其在兩個織網之間含有多個伸張至其鬆開長度至少 三倍之平行彈性束。如果其含可熱密封成份，織網至少之 一可為非織織物。片物質可在高溫時轉變成縫褶彈性情況 〇
Smi th之美國專利4, 977, 0 1 1揭示具有經控制不規則性打 摺t縫褶）之彈性分層結構。中央層為多個非交錯（在結構 之見度内）彈性束，每橫向英吋為4至12個束。打摺之輻度 沿彈性束而不同。其在張力下結合兩個非織織網。在釋放 張力，，形成經控制不規則性之打摺（縐面或縫褶）。或者 ，黏著劑塗佈於圖樣化結構。在鬆開時，形成短期低 打指與不規則狀高輕度打摺。 —
Hansen之美國專利4, 984, 584揭示一種黏著性繃帶，其
第4頁 469226
在兩個非織織網間包含在3-5倍之其鬆開長度之伸張情況 時每英对寬度為1 5-25條紗之彈性紗。聚合物黏合劑藉美 國專利3, 575, 782之方法塗佈（全部之至少重量％)，黏合 劑沉積於全部結構。此結構在起縐步驟時僅可部份地鬆開 (同％熱固定）。部伤鬆開織網之長度據稱為完全延伸長度 之 1/3 至2/3。 & 發明之概要 本發明之單一複合可伸張縐面織物具有實質上均質之平 坦表面外觀，而且包含： (a )兩層實質上等寬之非織織物外層·， (b) —層包含至少8螺紋線/英吋（3, 15螺紋線/公分）之 彈性纖維之均質内層，其中彈性纖維為至少4〇〇己““以 且其中螺紋線之數量與纖維decitn為使得可伸張織物之 伸縮力為至少0.22碎/英吋（38.9克/公分）之關係：及 (〇複合織物之10-35重量％之黏著劑 '组合物結合外與内 層’其中黏著劑僅部份地覆蓋層； 其中複合織物具有不超過4. 4之計算平坦因數。 查月之詳細說明 物ί Π Ϊ 士：Ϊ ΐ可伸張羯面織物由兩層等寬之非織織 维之内^ *占甘質上平仃，等decitex之等間隔彈性纖 成，其可由高達3〇〇%之延伸完全回復。 非。有範圍為約〗。至約3〇克，平方米之基本重 由熱本發明。代表性實例為 及水捲纖維組成之非織物。較佳為，其
46 9226 五、發明說明（3) 由如聚烯烴，聚酯與聚醯胺纖維之合成聚合纖維組成s 彈性纖維層由每英叫寬度為至少8螺紋線（3. 1 5螺紋緯^ 公分）組成，各螺紋為至少400 decitex。較佳為，每英叫_ 之螺紋線數量不大於1 6 ( 6 . 3 0螺紋線/公分）。選擇此二個 參數之組合以提供每英吋約〇. 22磅（38· 9克/公分）之最小 伸縮力’如在最終產物在其伸張至其原長之丨50%時所剛量 。彈性力實質上平行非織織物之邊緣。較佳之彈性纖維為
Lycra❿彈性纖維（E_I. du Pont de Nemours and Company 之註冊商標）。 二層藉黏著劑組合物結合在一起，其組成複合織物重量 之約10%至約35%。複合物中高於這些程度之黏著劑含量可 使織物結合本身。黏著劑組合物可為熱熔黏著劑，較佳為 苯乙烯系嵌段共聚物，如笨乙烯/唭戊二烯及苯乙烯/ 丁二 烯嵌段共聚物。複合物中之各元件結合複合物中 件至少之一。 ，、他兀 兵 複合可伸張續面織物可藉由 間隔實質上相同之距離s且士— ^ ^ j距離且具有母個纖絲為不小於40(] decitex之實質上相蓉丄 &制# > — 寺之decitex，置於兩層非織織物之間 螅皆暂h % f 員有少8個纖絲（螺紋線）且蜉纹 ”質上彼此及對非織織物之邊緣平行。三二 由小實質上均質續面造張力。”法製造具有 面織物。 战之μ >上均質平坦表面外觀之絹 在製借縐面織物之較佳方法中 一層實質上平行彈性纖
d6 92 2 五 發明說明（4) 維伸張小於1 〇 〇 %且 熱溶黏著劑，塗佈於：:：=黏著較佳為 織物然後置於經黏 ^纖，、.與下非織層i。另-層之非 熱與壓力結合，同處理之組合上，而且組合之結構藉 黏著劑可在其置於、彈性纖維保持在伸張之情況。或者， 完成結合時，張Π織織物層間之前塗伟於彈性纖維。在 所需之縐面結構。汽質上完全釋放且複合織物鬆開以形成
熱炼黏著劑可D 化之黏著劑可由喷；二：同之方式塗佈。4 -種方法，熔 熔吹之方法。在另還貝嘴如不連續網而沉積’其為已知為 時由以螺紋圖㈣:種方法’炼化之黏著劑可在織網通過 螺紋噴讓之方ΐ ί之噴嘴如固體流而沉積，其為已知為 非織層之圖样，1令人驚奇地，其中黏著劑僅部份地覆蓋 物之均質，平熔吹或螺紋喷灑所產生者，生成複合織 存在於非織物^ 一 f =觀。“僅部份地覆蓋”表示黏著劑 佈‘‘點陣列”圖楛。卩，但在相鄰部份則無。其亦可藉由塗 可提供希望之平滑’較合身外觀，而且主要 。 彈性非織物，例如，外衣短褲之彈性插入件 Α ΐ Ξ:::面織物之平坦度或平滑度可藉由測量在織物由 觀鉞=ϊ I、至其最終伸長時之厚度變化而測量。織物之外 ν ' ^伸張蛉之厚度變化越小。較佳為，厚度減少之 -二匕不^約64%。或者，可計算每直線英对之鬆開複 η織物之提尚部份之數量，其稱為縐面。由特定之延伸長
46 92 26 五、發0⑸ ' -- 度開始，鬆開織物中縐面之數量增加時，各縐面之輻度減 二9具有可接受平滑度之織物具有每直線英吋為至少^個 ，'為面（6. 3縐面/公分）。 旦此二數值之關係，厚度減少之百分比對每英对之竭面數 里之比例，良好地定義本發明之織物。對於本發明之限制 之可伸張織物符合，此比例，其稱為平坦度因數，必須為 約4. 4或更小，較佳為小於3. 6。 … 如下測量伸縮力： $開之可伸張織物之三英对長樣品在拉伸強度試驗機 1^22型中以6英吋/分鐘（152公分/分鐘）之速率伸長。在 =伸達到5⑽時’ ’在總長度為原長之15〇%時，記 錄為每英对織物寬度之碎數。（校正裝 數）。央吋寬之織物將總磅數轉化成每英吋寬度之崎 以Ws厚度計進行厚度測量。在鬆開 個不同之處測量厚度，而且 T D Λ物上在- 可能之完全程度。在伸G將均：織物然後伸張至 比。 由尽度值之差計算厚度減少之百分 每直線英吋之縐面數量藉 置 織 尺而測定。計筲—苯+ Ϊ f千織物邊緣沿織物長度放 物寬度之其他位置重裆。一t里。其在兩個橫越 另外一個對可伸辑媸从* > 丨口刊董之乎均。 J J W敢織物為有利的之牲 t ^ , 洗衣耐久力，，表+ γ & 寺徵為洗衣耐久力。 久力“可伸張織物可進行至少約28次之洗
^ 〇 9226 --—--- - 五、發明說明（6) " -- 1 t ^而未顯不非織層脫落之證據，不論是聚丙烯或聚酯 ^ 主之非織物’關於彈性纖維變成實質上較長，其表 不性纖維與非織物之間之結合損失。為了證明此耐久力 用X下之洗衣循環：在S e a r s K e n m 〇 r e 8 0系列洗衣機 ’ =38-41 °C(10〇-105T)之水及 5〇 克之“ nde” 清潔劑 〇刀鐘之溫水清洗/溫水洗淨，繼而為在Seai_s Kenmore 糸列乾衣機中，以“一般/免燙/中度，，設定（達g 6它 U205°F )]乾燥。 加入彈性纖維之單一複合可伸張織物之洗衣耐久力可藉 由在非織織物包含聚丙烯纖維時使用在12〇t具有至少約 25巴斯卡秒（250泊），及在非織織物包含聚酯纖維時為至 〈力20 〇巴斯卡秒（2, 〇〇〇泊）之複數黏度之經選擇黏著劑而 提供。 複數黏度之絕對值如以下所定義： 在，定之頻率ω及剪應力σ，複數黏度之絕對值I ” 為彈il ( G )與黏性（(J )模數之平方和除以頻率之平方根：
In* I = \Jg,2+G',2/(〇 可用黏著劑之軟化點超過90 (1 94 τ)而且較佳為 。(:（230 °F)。 用於製造洗衣耐久性單一複合可伸張織物之黏著劑之杏 例含苯乙烯系之嵌段共聚物，其通常亦含添加物，如二 劑與處理油。在非織織物包含聚丙烯纖維之處，黏二 括HL-1486 與HL-1470(H.B， Fuller 公司），及H_2l〇4與 Η-2494 (Ato Findley公司^在非織織物包含聚酯及/或聚 I S Ϊ 1 _ _ 1 1 O:\59\59051.PTD 第 9 頁 ---一 4 6 9226___ 五、發明說明（7) 丙缔纖維之處，黏著劑包括H-2385(Ato Findley公司）及 NS-34-3260 ， NS-34-3322 ，與NS-34-5640(National Starch 公司）。已發現，使用 HL-8130(H.B. Fuller 公司） ，其在120 °C之複數黏度（絕對值）為小於最小需要25巴斯 卡秒之1 5巴斯卡秒，無法與聚酯-或聚丙烯-系之非織物生 成洗衣耐久性可伸張織物。所有之上述黏著劑均含苯乙烯 系之嵌段共聚物。 黏著劑之複數黏度使用Rheometric Scientific DSR 5 0 0型動態流變計以固定應力模式測量。黏著劑之樣品置 於2 5毫米直徑平行碟型固定物之間。固定物以足以提供線 性黏彈性體系内之反應及轉換器範圍内之力矩之輻度，以 10徑/秒之固定頻率振盪。在60 °C-120 t；之範圍，在各測 量溫度為9 0秒之平衡時間，以2。〇之增量在2 0度弧段取測 量。在各2 0度弧段之中點測量固定物之間之間隙，使得由 於固定物之收縮與膨脹造成之誤差小於3%。以絕對值顯示 之結果連續地繪於半對數圖表上。選擇在1 20 t之複數黏 度作為黏著劑在洗衣耐久性單一複合可伸張非織物中之行 為之相關測量 <=洗衣耐久力與複數黏度（絕對值）報告於表 3，其各為循環至失敗及巴斯卡秒。 以下之實例描述本發明。 實例1 使用 6 2 0 decitex Lycra® XA® 彈性纖維（E.i. du Pont de Nemours and Company之註冊商標）及重20克/平方米之 Sontara@ 801 7聚黯纖維為主之非織織物之外層製造此實
第10頁 4b 922B 五、發明說明（8) 例中之樣品。Son tar a®為水捲纖維為主之非織織物（例如 ’如 Evans 之美國專利 3,485,706 所述）；E,I, du Pont de
Nemours and Company之產品。彈性纖維伸張（參見表！）且 以熱炫黏著劑結合非織層。對於各樣品，黏著劑恰在接觸 非織物下層之前熔吹至彈性纖維上。對於樣品1與2，使用 苯乙烯/異戊二稀嵌段共聚物為主之黏著劑，H_2385 ;對 於樣品3與4，使用另一種苯乙烯/異戊二烯嵌段共聚物為 主之黏著劑，H-2494(其均為威斯康辛州wawat〇sa之At〇 Findley公司之產品），其各為12毫克/平方英叶（1.86毫克 /平方公分）及11毫克/平方英吋（1. 7毫克/平方公分）。黏 著劑各在370卞（188。〇與32 5卞（16 3。〇塗佈。樣品}與2進 入一對輥尖端之速度為20 0英呎/分鐘（61米/分鐘)°°，矣端 壓力為80 psi (5. 6公斤/平方公分-）。用於實例3與4之可比 擬參數各為30 0英呎/分鐘（91.5米/分鐘）及4〇 pi(2 8公 斤/平方公分）。 •“ 表1 L y c a巧彈性纖維 ％ dec i tex no. / in. 伸張 伸縮力 lb/in 平坦因數 2 3 4 __(no. /cm) 620 10(3.94) 620 5 (1.97) 620 10 (3.94) 156 10 (3. 94) 由表1之數據所見到，
20 0 °· 24 U2. 9) 3.32 200 °· 20 (35. 7) 5.08 320 °·31 (55.4) 2.70 32 0 1 5 (26. 8) 6.09 僅具有每英吋為5螺'紋線(1.97/ 如
第II頁 Λ69226_ 五 '發明說明（9) 公分）或基於彈性纖維為低於40 0 decitex之織物，不具有 必需之伸縮力。 實例2 對於表2所示之所有樣品，Lycar® XA®彈性纖維伸張至 200%，H-2385黏著劑在370 °F(I88 °C)熔吹，對樣品1與2為 12毫克/平方英付（1.86毫克/平方公分），對樣品3與4為10 毫克/平方英吋（1.55毫克/平方公分）。尖端壓力為8〇 psi (5, 6公斤/平方公分）及處理速度為200英呎/分鐘（61米/分 鐘）°Sontara®非織物為Style 8017而熱結合聚丙烯為 Style 67880(Polymer Group 公司）。 表2 樣品 非織物 Lycra® decitex 彈性纖維 no. /τη. 伸縮力 1 b / i η 平坦 因數 (no. /cm) 1 2 0 g/m2 Son tar# 620 10 (3. 94) 0.27 (48.2) 3. 32 2 20 g/m2 S ο n t a r a® 620 14 (5.5) 0. 34 (60.8) 2. 44 3 20 g/m2 94 0 熱結合聚丙烯 10 (3. 94) 0.39 (69.7) 2. 44 4 20 g/m2 940 熱結合聚丙烯 14 (5.5) 〇. 55 (98.3) 2. 30 如由表2之數據所見到，所有之樣品為在本發明内之織 物。
第12頁
46 92 2B 五、發明說明（ίο) 表3 黏著劑 洗衣耐 久力 複數黏度 ΡΕ(υ pp(2) (巴斯卡秒） (清洗循環直到失敗） HL-8130 4 3 15 HL-1485 9 >38 28 HL-1470 1 1 >38 27 H-2104 16 >38 68 Η-2494 27 >38 34 Η-2385 >28 >38 761 NS-34-3260 >28 >38 946 NS-34-3322 >28 >38 1820 NS-34-5640 >28 >3 8 nm (1) Sontara® 8017 與Lycra® XA® ’ 620 d e c i t e X彈性纖維 之複合物。 (2) 聚丙稀纖維為主之非織物（PGI 67880，Polymer XA' 620 decitex 彈性
Group公司之產品）與Lycra® 纖維之複合物。
第13頁

Claims (1)

  1. 9226 、申請~ - 種單一複合可伸張縐面織物，其包含： 2層實質上等寬之非織織物外層； 彈性敏祕層包含至少8螺纹線/英吋（3. 15螺紋線/公分）之 且其中之均質内層，其中彈性纖維為至少4 0 0 dec i tex 伸检a螺紋線之數量與纖維deci tex為使得可伸張織物之 ，至少〇. 22磅/英吋（38. 9克/公分）之關係；及 層複合織物之1 〇 _3 5重量％之黏著劑組合物結合外與内 ^ ^中黏著劑僅部份地覆蓋層； 、中複合織物具有不超過4之計算平坦 2 ’根據申請專利範圍第1項之織物 性纖維（spandex)。 3 ·根據申請專利範圍第1項之織物 不大於每英吋16個（6· 3〇/公分）。： 4·根據申請專利範圍第丨項之織物 於3. 6。 六 因數σ 其中彈性纖維為彈 其中螺紋線之數量 其中平坦因數不大 5 ·根據申請專利範圍第1項之織物 水捲纖維。 Ω __ ’ 種洗衣耐久性單一複合可伸張縐面織物，其包含： 兩層實質上等寬之非織織物外層； 其中非織織物包含 a (b) 層包含至少8螺紋線/英吋（3. 1 5螺紋線/公分）之 彈性纖維之均質内層，其中彈性纖維為至少400 deci tex •其中螺紋線之數量與纖維dec it ex為使得可伸張織物之 伸縮力為至少〇. 22磅/英吋（38. 9克/公分）之關係；及 (e >複合物之1 0 - 3 5重量％之熱熔黏著劑組合物結合外與
    第14頁 46 92 2' 六、申請專利範圍 内層，其令黏著劑僅部份地覆蓋層；其中 物包含聚丙烯纖維時在12()〇c具有-25巴斯"非織織 織織物包含聚酿纖維時在12〇m2 ^卡秒’及在非 度（絕對值），而且其中黏著劑具有—高於9(^卡=之複數點 並中福人端物θ 士 ' C之軟化點； ' 有不超過4.4之計算平坦因數。 7.根據申,月專利範圍第6項之織物， 包含苯乙烯系嵌段共聚物^ '、中黏者劑組合物 驟'.-種製造單—複合可刪面織物之方法，其包含步 (a) 在兩層非織織物之間放置每英 個（3.15/公分）均質張開之彈性纖絲、，Λ Λ Λ至少8 非織織物之邊緣平行， "只質上彼此及對 decitex之f f f· i ”有個纖絲不小於4㈣ 之實質上相等之decitex卜 (b) 藉由塗佈複合織 著劑僅部份地覆蓋層，而：35//%之黏著齊卜使得點 (c) 在結合步驟後立；：f —織織物與彈性纖絲： 9 根據申請專利範圍第8實項〜上二全移除張力。 量$16/英吋（6· 30/公分）項之方法’其令彈性纖絲之數 10.根據申請專利範圍 選自包括聚I纖維與聚 t方法’其中非織織物包含 物在12(3t具有g2〇〇巴 纖、准之纖維，而且黏著劑組合 9 0 °C之軟化點。 秒之複數黏度（絕對值）及高於
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KR20010090737A (ko) 2001-10-19
EP1128952B1 (en) 2003-11-26

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