TW200301792A - Bonded polyester fiberfill battings with a sealed outer surface having improved stretch capabilities - Google Patents

Bonded polyester fiberfill battings with a sealed outer surface having improved stretch capabilities Download PDF

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Publication number
TW200301792A
TW200301792A TW092100084A TW92100084A TW200301792A TW 200301792 A TW200301792 A TW 200301792A TW 092100084 A TW092100084 A TW 092100084A TW 92100084 A TW92100084 A TW 92100084A TW 200301792 A TW200301792 A TW 200301792A
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Taiwan
Prior art keywords
cotton
batting
resin
cotton batting
fiber
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TW092100084A
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English (en)
Inventor
Peter K F So
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Du Pont
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Publication of TW200301792A publication Critical patent/TW200301792A/zh

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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/58Non-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
    • D04H1/64Non-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 the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326Condensation or reaction polymers
    • D04H1/435Polyesters
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C27/00Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/12Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/02Cotton wool; Wadding
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43825Composite fibres
    • D04H1/43828Composite fibres sheath-core
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43825Composite fibres
    • D04H1/43832Composite fibres side-by-side
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43835Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/54Non-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 welding together the fibres, e.g. by partially melting or dissolving
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/54Non-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 welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542Adhesive fibres
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/58Non-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
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249924Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20Coated 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

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Laminated Bodies (AREA)

Description

(1) (1)200301792 (發明說明應敘明’:發輯屬之麟躺、先前技術、内容、實施方式及圖式_早說明) 姑術領域 本發明係關於在經結合聚酯纖維填料棉絮之伸長此力上 之改良。 先前技術 聚酯纖維填料(有時稱為聚酯纖維填充材料)係良好地被 接受為合理不昂貴之填充及/或絕緣材料’供枕頭、緩衝 墊及其他家俱裝飾材料用,包括被褥材料,及在衣物上, 且於商業上大量製造與使用。對許多此等用途而言,如在 美國專利中所揭示者:Tolliver U.S.3,772,137; StanistreetU.S.4,068,036 ;Scott U.S. 4,129,675 ; Pamm U.S. 4,281,042 ; FrankoskyU.S. 4,304,817 ; SiniscalchiU.S. 4,551,383 ;及 LeVan U.S. 4,869,771,係期望製造經黏 結之棉絮,例如藉由噴塗樹脂黏結劑,經常為丙烯酸系聚 合體,或經由將聚酯纖維填料與黏合用纖維摻合,譬如此 項技藝中所習知者,或利用樹脂黏結劑與黏合用纖維。 為改良聚酯纖維填料之美觀性,經常已証實需要以耐久 性(意即耐洗性)塗料之塗層,使纖維填料”光滑",該塗層 通常是聚珍氧’意即經熟化之聚碎氧燒,譬如由Hofmann美 國專利3,27U89 ; Mead等人之美國專利3,454,422 ; Ryan美國專 利3,488,2Π ; Salamon等人之美國專利《mm74 ; LeVan,上述專利; Takemoto油月旨公司’日本公告之申請案編號58-214,585 (1983)所 揭示者;或其他類型,譬如由Marcus美國專利4,818,599所揭 示之聚氧化晞種類。 美國專利5,527,600揭示一種易於製成之均質棉絮,其特徵 200301792 (2) 為柔軟性與懸垂性以順應穿戴者之身體,良好絕緣性能, 低程度之纖維滲漏經過面層織物,即使在洗衣後亦然,對 於藉由水洗/乾燥或藉由乾洗洗濯有加強之耐用性,及加 強之結構完整性,其中棉絮能夠自由懸垂,無需將其刺缝 至小尺寸嵌條中。但是’對一些用途而言,尤其是在衣物 上,一直想要提供具有某種私度’’可伸長”特性之棉絮,以 致使由可伸長面層織物與可伸長棉絮製成之衣服,將允許 具有加強動作自由度之舒適控制。 發明内 本發明係藉由提供可伸長棉絮解決先前技藝之問題。本 發明棉絮之”可伸長性"係藉由棉絮之張力變形度量,因為 張力變形為對一特定負荷之材料中有多少伸長之一項度量 。因此,根據本發明係提供一種經結合之棉絮,其包含聚 醋纖維填料與黏合用纖維密切混合之摻合物,其中棉絮在 3-磅負荷下具有張力變形大於約35%。 本發明棉絮之張力變形,係經由在製成該棉絮之加工處 理條件下達成。因此,根據本發明之另—方面,係、提供— 種製備經結合棉絮之方法,纟包括形成聚醋纖維填料與黏 合用纖維密切混合之摻合物,自該接合物製備連續棉絮, 該棉絮具有上表面與下表面,使該棉絮前進經過_或多個 貪塗區霄,於其中將棉絮之兩個表面以樹脂噴塗,將已噴 塗之棉絮在烘箱中加熱’以使樹峨,並使黏合材料軟 化,接著將已加熱之棉絮在·2(rc下熱軋約s秒,以在棉 絮表面中達成樹脂與纖維間之密切接觸…吏已輥齓之柿 (3) 200301792
絮冷卻。此種熱軋係利用呈S_ 等輥可具有2至1〇亳米之間隙 定。 包覆型態之加熱輥 ’依所要之最後棉 達成。 絮厚度 此 而 因此,本發明係提供纖維填料棉絮,譬如供 衣物中所需要者,;IL方式是首弁劁供方 用於特製 具万式疋苜先製備聚酯纖維埴 物之70-96重量% )與適當黏合用纖維(摻合物之钩〇=^摻合 《均質摻合物。使此摻合物在梳理機或彈毛機上:义) 層,然後可將其層合或交叉舖網,以形成棉絮,於广 二較,錢續性地亦對其下方)表面塗敷適當乳膠= 市m合體及/或共聚物在水中之膠態分散液 、, 細:討論於下文),例如藉由喷塗。將已噴塗之棉絮加; 如合苴地經由通過加熱烘箱,以使塗層乾燥及使聚合 —★岛聚合成咼分子量,以及使黏合用纖維活化。這可八 例如在三次通過此種烘箱中而達成,兩次係為在塗二 破塗敷至任何表面後,連續性地乾燥及部份熟化每一 此丨全〇 ^ —孟層,而珉後一次通過係為補充其他需要,及為確保 係用纖維在製備上之活化作用,供任何熱軋使用,其中 μ使緩結合之棉絮環繞呈s_包覆型態之加熱輥通過,以 化及:^ ^ 1 > 、 表 、已熟化之樹脂,及確保其完全且均勻分佈於棉絮 鬲(大表面)中之纖維内,以防止纖維滲漏經過棉絮之此 兩’且同時確保棉絮具有所要之厚度。 "用於此處之樹脂,係由不同製造者以各種方式稱為,, 軟或”中等,,或甚至”極柔軟”,但其特徵為具有第二·級 (4) 200301792
破璃轉移溫度(Tg)為约旳或較低, 氏,度。當使用於例如衣物時,其係對為约旳降至約攝 懸垂性,同時對於從棉絮之纖維渗漏^提供柔軟性與 棉絮(意即_維填料與黏合用纖維之:八障#。纖維在 ’係被稱為棉絮之,,基重,,,意即在將樹:物)中《重量 之前。最後棉絮可具有基重為1.5至12盘司m於其上 克/平方米),且厚度為0.07至㈣英叶平万碼⑼至柳 至0.15亳米/克/平方米)。 益司/平方碼(0.05 因此,本發明之棉絮係製自聚酉旨纖 =摻合物,且在表面中之纖維係藉由適當=軟=用匕纖維 述’或可為經光滑化與未經维:二:本… 料可為實心、中空,或實心與中空纖維之摻:物。:維填 於任何型式之纖維橫截面’意即其可具有十:且:限 、丫形、狗骨頭形、扇狀卵形及並 # 了、二茱形 形。此纖維填料具有每單絲; 形檢截面以及圓 内,其中Φ⑽5〇至咐極有用^數(dPf)在〇·2至1〇之範圍 <低$用的,且構成椽 至96重量%。兩種測量單位, 構成摻5物《约% 本文中使特係與每單;二=與丹尼’均於 π平、,.糸〇·9丹尼(dpf)相同。 『具有藉習用方式形成之捲曲,且典型上每英吁顯示5至;5 :捲曲㈣’並具有長度在3/4至3英忖之範圍内。黏人用 纖::係構成棉絮之約4至3。重量並可具有外殼/核芯㈣ 、側面/側面_或單组份類型”匕等可得自例如 、聚缔烴、聚晞烴/聚醋、聚駿胺,聚酷胺等。可使用“ 200301792
黏合用纖維類型,及其起作用模式,係描述於例如π非織 造物世界’f, 1990年3月/ 4月號,第37頁中。適當黏合用纖維 在摻合物中之最初dpf,典型上係在2至15之範圍内,其中 以dpf 4為常用。可使用之黏合用纖維,包括在前文所提及 頒予Scott, Pamm,Frankosky及Marcus之美國專利中所揭示者,以 及在Harris等人之美國專利4,732,809 ; Taniguchi等人之美國專利 4,789,592 ; Tomioka等人之美國專利4,500,384 ; Hirose等人之日本 公開專利公報57-210,015 (1982)中所示者;及其他此項技藝中 已知者,其將在本文中所揭示之烘箱溫度内起作用。較佳 黏合用纖維包括市購可得之’’Melty 4080”(日本Unitika公司)及 nESn與’ΈΑ”聚晞烴(曰本Chisso公司)。 於棉絮兩個表面上之經熟化樹脂塗層,可合宜地構成最 後經結合棉絮之約10至30重量%,其中以12至25%對1.5至 1.65 dpf (1.83分特)為較佳,其中較少量樹脂傾向於降低洗滌 耐用性與密封等級,而較大量傾向於增加剛性及降低絕緣 效率。再者,樹脂於表面中之量不必依棉絮之基重而定, 且因此,對較重質棉絮而言,總樹脂加入量可低達3%, 即使對於經光滑化之纖維填料棉絮亦然。對完全乾燥(未 經光滑化)之纖維,與當使用經光滑化之纖維填料時比較 ,需要較少樹脂。 正如先前所指出者,適當密封樹脂係具有Tg為約o°c或較 低。可使用之樹脂係得自市購可得之丙烯酸系與乙烯基乳 膠組合物,其中係包括例如Rhoplex E-32 (Rohm & Haas公司),TR-934 (Rohm & Haas 公司),X-4280J (日本 Kanebo),Β· F. Goodrich 公司之 200301792 (6)
Hycar□乳膠組合物:26146, 26171,26322,26083, 26092, 2671,26120, 2679, 26796,國家澱粉與化學公司之乳膠產物:NACRYLIC X 4445, NACRYLIC X 788-6007, NACRYLIC X 4483, NACRYLIC X 4460, NACRYLIC X 4260, NACRYLIC X 4425, NACRYLIC X 4465, NACRYLIC 4401, NACRYLIC X 78-3990, NACRYLIC X 78-3997, NACRYLIC X 78-3905, NACRYLIC X 4280, NACRYLIC 4441, NACRYLIC 78-6114, X-LINK 2873, X-LINK 2849, X-LINK 78-8119, X-LINK 2893, X-LINK 2833, X-LINK 78-6004, X-LINK 2813, RESYN 2375, DUR-O-SET E-230, DUR-O-SET E-669,及其他市購可得之乳膠,其 係被熟化成Tg值為約o°c或較低之樹脂。一些此種市購可得 之樹脂及其Tg值,係列示於例如由B. F. Goodrich,日期1989,標 題為HYCAR□丙晞酸系乳膠,及由國家澱粉與化學公司,標 題為黏合劑、飽和劑、層合劑之小冊子中。當密封樹脂之 Tg變得遠較低(低於o°c)時,此種樹脂傾向於變得較具黏性 。雖然此種樹脂可對棉絮表面提供良好密封,及良好洗滌 耐用性,但密封樹脂之黏性可能會造成缝合問題,其可能 需要較緩慢之缝合速度,這通常並非較佳。因此,根據本 發明使用之密封樹脂之Tg,較佳為約0至約-30°c。 棉絮之製備通常係藉由聚酯纖維填料與黏合用纖維之習 用打開與摻合開始,接著粗梳或扯鬆以製造網層。可將此 網層與來自一列梳理機或彈毛機之其他網層層合,或可將 其與其他網層交叉舖網及,合併,以形成未結合之棉絮。然 後,將此棉絮以乳膠組合物噴塗在棉絮之一或兩個側面上 ,並餵至烘箱中,以進行樹脂之熟化及黏合用纖維之結合 。烘箱處理係在15(M90°C下進行2至5分鐘,並可合宜地在 200301792 (7) 棉絮之三次通過中完成,如前文所指出者。然後,使已經 結合之棉絮通過/環繞(較佳為至少兩個)熱輥,其具有表 面溫度在200至220 C之範圍内(可使用超過兩個輥)。棉絮之 型態為S-包覆,在輥上,以提供與輥之最大接觸。後者可 具有間隙為2至10亳米,依所要之最後棉絮厚度而定。在 此處理中’若需要’可以只加熱一個輥,即使密封棉絮之 兩個側面亦然,若想要密封兩個表面時,其可第二次通過 /覆蓋I ’以加熱棉絮之相反側面。於輕上之接觸時間為 約8秒。此種熱輥處理會使樹脂軟化與擴展,以確保其完 全且均勻分佈於棉絮表面上,以防止纖維滲漏並提供均勻 表面,不含結塊’以在使用時提供舒適與美觀性能。此棉 絮顯示先前指示之基重與厚度範圍。 本發明之棉絮顯示所要程度之耐熱性或絕緣性,其一般 係以CLO等級作報告(參閱Hwang之美國專利4,514,455)。本發 明之棉絮令人滿意地顯示CL0值為至少約〇·36 CLO /盎司/ 平方碼,且較佳為〇·48 CLO /盎司/平方碼或較高。 應明瞭的是,本文中所述之組份與方法應經選擇’以提 供本發明之棉絮。必須小心選擇確實會如此提供之組合。 例如,於纖維上之光滑劑及被塗敷至棉絮之乳膠’應經選 擇,以致能夠充分地黏著’因此最後棉絮可顯示例如足夠 洗滌耐用性。 CLD等級係按上文Hwang中所述獲彳于。 本發明棉絮之洗滌耐用性等級(nWD”)及比較,係藉由 (8) 200301792 mg ASTM D-4770-88之程序進行評估’試驗片條為24英吋x %英叶 大小,並根據段落8,6.1所施行之度量作報告。本發明、 絮顯示3或較高等級(段落8.5尺度)。 纖維滲漏或滲濾經過面層織物,係藉由LeVan之美國專利 4,869,771中所述之方法,以密封等級(”SR”)度量(於3次 、 死〉條 循環後,除非另有指明),密封等級(SR) 5係為優越的, 而
密封等級(SR) 1係為不良的。本發明之棉絮顯示密封等級& 為3或較高(於3次洗滌循環後)。在表1與3中,係另外 一次洗滌(1W)後以及3次洗滌(3W)後之密封值,並與任 滌前之最初值(NEW)作比較。 本發明棉絮之柔軟度或懸垂性係根據德國工業標準533& 懸臂式(DIN 53362懸臂式)進行度量’其係測定棉絮在機械與 橫越機械方向上之彎曲剛性("B”)並將其加總;合併之結果 係相關於懸垂性與柔軟度。對此等度量,係將棉絮待測試 樣切割成25公分長度與2·5公分寬度,及對此等度量,係將 待測試樣在機械(MD)與橫越機械(XD)方兩上切割。將各待 測試樣稱重,並將其重量記錄為"W”。然後測定實曲長度 (’’LU”),其方式是使待測試樣以水平方式於平台上滑動, 直到經彎曲待測試樣之前方達到41度角及30秒為止。然後 施行下列計算: B =F1(LU^2)3 其中B =彎曲剛性,以cN/cm2表示 LU ==彎曲長度,以公分表示
Fi =9.8(W+L) •12- (9) (9)200301792
W -試樣重量’以克表示 L -試樣長度’以公分表示 本發明之棉絮顯示彎曲剛性(”B”為對於得自棉絮之md與 XD試樣戶斤測得數值之總和)為80cNW或^,較低f曲剛 性為較佳。 -13- 200301792 (ίο) /分鐘(7.3米/分鐘)。此輸送機係將已x又舖網之棉拿< 集及合併成具有基重約2.7盎司/平方碼(90克/平方米)、 最後多層棉絮。在連續操作中,係將此棉絮通入噴塗區_ 中,其中係將Kanebo之X-4280J乳膠(Tg為-4°C )塗敷至棉絮、 ' 丁員 側,然後使其通入3-路徑烘箱中(塗敷足量乳膠,以 絮上提供9重量%經熟化樹脂)。此路徑係在15〇。〇下,而在 烘箱中’於滯留時間約1分鐘期間,樹脂係經熟化, 合用纖維係被活化。於棉絮離開烘箱後,使其翻轉,將Λ 膠塗敷至棉絮之頂側(”新的”),並將棉絮藉由第二個輪兵 機運送至烘箱之第二個路牺α⑺巧 u裕徑(170 C ),以使樹脂熟化及使 合用纖維活化(在棉絮之+ 7 ^ ❸糸艾此側面上形成9重量%之樹脂, 成總共18重量%樹脂於榼如 ^ ^ ^ ^ 帛糸上)。將棉絮銀至烘箱之第一 個路徑(170°C),以提供棉力 二 糸又進一步加熱,歷經另一分锆 總共加熱3分鐘)。 $ ( 使已結合之棉絮通過—t 對熱輥,呈S-包覆型態(輥表面 220 C下),其中輥接觸時 在 于間為約8秒;輥間隔為6毫米。仏 棉絮(18%樹脂,15%黏入m 此 ""用纖維)具有重量為3.33盎司/承 方碼,厚度為〇·37英吋,如 . ’个 顯示洗滌耐用性(WD)等級為4 ,文 封等級(SR)為5,及總蠻也 , 在 号购剛性(Β)為37.8 cN/cm2。度量所製点 棉絮之應力/應變性皙 叹 只’如下表2中所示,且示於圖2中。 此圖係比較本發明敛輕、 、批万法之溫度、時間及輥間隙之不同 組合之作用。在此圖φ Y ’係使相同試樣負荷與去除負荷 次,而造成四個曲線。u — 此棉絮之其他性質係以項目編於】 示於下表1中。 〜 -14- 200301792 (ii) 比較實例1 在此比較實例中,另一種棉絮係製自(1) 1.5 dpf (1.66分特) 實心圓形橫截面,聚對苯二甲酸乙二酯定長纖維,具有聚 矽氧光滑劑,(2)27%,1.65 dpf實心圓形橫截面,51毫米切 斷長度,聚對苯二甲酸乙二酯定長纖維,未具有光滑劑, 及(3) 18重量百分比之"Melty 4080”黏合用纖維所組成之摻合物 。再一次,如實例1,在此掺合物中,於打開與粗梳之前 ,黏合用纖維已經與纖維填料合併。 此棉絮係使用如上文在實例1中所述之相同扯鬆方法, 及一種具有Tg低於約0°c (Kanebo之X-4280J,Tg為-4°c )之相同密 封樹脂製成。用以製造此棉絮之方法,係與實例1相同, 惟熱輥方法除外。在此比較實例中,係使經結合之棉絮通 過一對熱輥,呈S-包覆型態(輥表面係在20(TC下),其中輥 接觸時間為約12秒 :輥間 隔為2毫 米。 將棉 絮壓 縮至 其最 初厚度之約一半, 並捲繞成卷筒。 度量如此製成之棉絮之 應力/應變性質, 並示於 圖1中。 再一 次, 於此 圖中 ,係 將相同試樣施加貝 荷與去除負荷四 次, 造成四個 曲線 。此 棉絮之其他性質係 以項目 編號2示於下表1中 0 表1 項目 % % 重量 厚度 f 曲剛性 編號 黏合劑 樹脂 (盎司/ (英吋)’ WD SE MD CD 總計 平方碼) 1 15 18 3.33 0.37 4 5 18.5 19.3 37.8 2 18 18 3.07 0.30 4 5 11.7 11.4 23.2 200301792 (12) 發明說龈績異 圖式簡單說明 圖1顯示根據先前技藝製成棉絮之一系列張力變形曲線。 圖2顯示根據本發明製成棉絮之一系列張力變形曲線。
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Claims (1)

  1. 200301792 拾、申請專利範圍 1. 一種經結合之棉絮,其包含聚酯纖維填料與密切混合之 黏合用纖維之掺合物,其中棉絮在3續負荷下具有張力 變形大於35%。 2. 根據申請專利範圍第1項之經結合棉絮,其中棉絮係整 個與補充量之較低熔點黏合材料結合,該補充量為棉絮 重量之2至25重量%。 3·根據申請專利範圍第1項之經結合棉掌,其中I醋纖維 _ 填料佔棉絮之70至96重量%,而黏合用纖維佔棉絮之4 至30重量%。 4.根據申請專利範圍第1項之經結合棉絮,其中棉絮之上 方與下方表面係以具有坡璃轉移溫度(Tg)為〇 c或較低之 樹脂密封,其量為棉絮之10至30重量%。 5· —種製備經結合棉絮之方法,其包括形成聚酿纖維填料 與黏合用纖維之摻合物,自該摻合物製備連續棉絮’該 棉絮具有上方與下方表面,使該棉絮前進經過至少一個 鲁 噴塗區帶,其中係將棉絮之兩個表面以樹脂噴塗,將已 噴塗之棉絮在烘箱中加熱,以使樹脂熟化及使黏合材料 軟化,接著將已加熱之棉絮在200-200°C下熱軋8秒,以在 棉絮表面中達成樹脂與纖維間之密切接觸,及使已輥軋 之棉絮冷卻。 6. 根據申請專利範圍第5項之方法,其中熱軋係藉由呈S-包覆型態之加熱輥完成。 7. 根據申請專利範圍第5項之方法,其中輥具有2-10亳米 200301792 之間隙。 8·根據申請專利範圍第5項之方法,其中聚酯纖維填料佔 棉絮之70至96重量%,而黏合用纖維佔棉絮之4至30重 量%。 9. 根據申請專利範圍第5項之方法,其中樹脂佔含有樹脂 之經噴塗棉絮重量之10至300%。 10. 根據申請專利範圍第5項之方法,其中樹脂係經選擇, 以在熟化後,提供具有玻璃轉移溫度(Tg)為0°C或較低之 經熟化樹脂。
TW092100084A 2002-01-04 2003-01-03 Bonded polyester fiberfill battings with a sealed outer surface having improved stretch capabilities TW200301792A (en)

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US20030232552A1 (en) 2003-12-18
WO2003057962A3 (en) 2003-10-16
EP1468133A2 (en) 2004-10-20
WO2003057962A2 (en) 2003-07-17
KR20040101994A (ko) 2004-12-03
CN1612959A (zh) 2005-05-04

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