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TW487756B - Nonwoven fabric of polypropylene fiber and process for making the same - Google Patents

Nonwoven fabric of polypropylene fiber and process for making the same Download PDF

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Publication number
TW487756B
TW487756B TW089124695A TW89124695A TW487756B TW 487756 B TW487756 B TW 487756B TW 089124695 A TW089124695 A TW 089124695A TW 89124695 A TW89124695 A TW 89124695A TW 487756 B TW487756 B TW 487756B
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TW
Taiwan
Prior art keywords
polypropylene
woven fabric
continuous
scope
temperature
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Application number
TW089124695A
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Chinese (zh)
Inventor
Toshio Kobayashi
Satoru Tange
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Uni Charm Corp
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Classifications

    • 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
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • D01F6/06Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
    • 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
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/11Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet
    • 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
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nonwoven Fabrics (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

To provide a nonwoven fabric of good softness and having a high breaking elongation. A nonwoven fabric is made of continuous fiber 15 of polypropylene and the continuous fiber 15 has a 0.006-5.8 d fineness, a 0.019-0.030 double refractive index and a 100-300% tensile elongation break.

Description

經濟部智慧財產局員工消費合作社印製 487756 A7 _____ B7 五、發明說明(1 ) 〔發明所屬之技術領域〕 本發明’係關於由聚丙烯的連續纖維而成之不織布及 其製造方法。 〔習知技藝〕 . · 在專利公報第2 8 8 7 6 1 1號.,揭示有由纖度1 d 以下的極細之連續纖維所成的不織布之製造方法。根據該 方法時,連續纖維將在熔融紡紗2程被延伸一致,其後由 被再度延伸而纖度將成爲所要之値。纖度變小的連續纖維 將被捕集,由黏合等結合而成爲不織布。 〔發明所要解決之課題〕 由前述眾所周知的技術,能夠得到觸及肌膚的感覺柔 軟之不織布。本發明的課題,係對如此之不織布給予大的 斷裂伸度。 〔爲了解決課題之方法〕 爲了解決前述課題之本發明,係由關於物的發明之第 1發明’和關於其物的製造方法之第2發明被構成。 前述第1發明的對象,係由聚丙烯之連續纖維而成的 不織布。 在如此的不織布,第1發明之特徵爲,前述連續纖維 有0 ·〇〇6〜5 · 8 cl的纖度,和〇·〇1 9〜 〇 · 0 3〇之雙折射率,和1 〇 〇〜3〇〇 %的拉力斷裂 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297 TTp· ----7---.----裝 --------訂--------- (請先閱讀背面之注意事項再填寫本頁) 487756 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明(2 ) 伸度,前述纖維實質上互相以機械性糾纏維持不織布形態 〇 在第1發明的理想之實施形態,前述不織布的抗張強 度爲1〜3g/d。 前述第2發明之對象,係將從多數的噴嘴被擠出之聚 丙烯的連續纖維延伸後,使之堆積在向一方向行走的皮帶 ’使前述連續纖維互相糾纏而製造不織布之方法。 在如此的方法,第2發明之特徵爲,使前述噴嘴附近 ’保溫成以熔融狀態被擠出的前述連續纖維之溫度附近’ 備有入口和出口及在此等兩者間延伸的引導通路,將前述 連續纖維引導至在前述引導通路有常溫之壓縮空氣從前述 入口向出口方向噴出的製袋機之前述引導通路急冷,在前 述噴嘴和前述製袋機之間將前述連續纖維延伸使前述連續 纖維的纖度變小,而且,使前述聚丙烯之分子定向成能夠 得到所要的雙折射率之程度。 在第2發明,有如下的理想之實施形態。 (1 ) 前述連續纖維,在前述噴嘴附近係在熔融溫 度而纖度變小,在從前述附近至前述製袋機入口之間前述 連續纖維逐漸降低至熔化點附近的溫度,在前述製袋機內 部一面被急冷至常溫而被延伸至能得到所要的雙折射率之 程度的形態。 (2 ) 前述溫度,係由和被擠出的前述連續纖維略 相同溫度之熱風吹出在前述噴嘴附近而被進行的形態。 (3 ) 在前述製袋機內部’使前述連續纖維之纖度 本紙張尺度適用中國國家標準(cns)a4規格(210 x 297公爱) ----;----;----裝--------訂·-------- (請先閱讀背面之注意事項再填寫本頁) 487756 經濟部智慧財產局員工消費合作社印製 Α7 Β7 五、發明說明(3 ) 會成爲0 . 0 0 6〜5 . 8 d地將前述連續纖維延伸的形 態。 (4 ) 在前述製袋機內部,使前述連續纖維會成爲 雙折射率〇 . 0 1 9〜0 · 0 3 0地使前述聚丙烯分子定 向的形態。 . . (5 ) 包含由高壓水的噴射使.前述連續纖維互相糾 纏的工程之形態。 (6 ) 從前述噴嘴至前述皮帶的距離爲4 0 0〜 6 0 〇 m m之形態。 〔發明之實施形態〕 參照附圖,詳細說明關於本發明的不織布及不織布之 製造方法時,係如下。 第1圖,係顯示爲了將不織布1 0 0連續地製造的工 程之圖面,在該工程,包含有熔融紡紗機1 ,製袋機2, 無端皮帶3,高壓水噴射裝置4,捲取裝置6。 熔融紡紗機1 ,雖未被圖示可是備有原料投入口和螺 桿式擠出機,在擠出機的前端有紡系噴嘴1 1 ,而在噴嘴 1 1之兩側近傍有熱風吹出口 1 2。原料將被使用聚丙烯 ,例如M F R爲1 〇〜8 0 g / 1 〇 m i η之聚丙烯。噴 嘴1 1 ,係例如孔徑0 . 3 5 m m者,向對圖的紙面垂直 之方向以孔間隔1 m m被排列6 〇 〇個。從該噴嘴1 1 , 將以0 . 1 3〜0 · 4 0 g / m i ^噴嘴的比例被吐出。 從吹出口 1 2 ,有和熔融之聚丙烯的溫度略相同溫度,例 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱) —I—.—裝--------訂---------^il^· (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 487756 五、發明說明(4 如對約2 3 0。(:的聚丙烯約2 3 0 °C之熱風以i〜 3 N m 3 /m丨n的比例吹出,而防止被擠出之聚丙燏的急 激之溫度降低。 製袋機2,有連續纖維1 5將通過的引導孔丨6 ,和 在引導孔1 6以其兩側開口的常溫壓縮空氣之吹出口. 1 7 。引導路1 6有對連續纖維1 5的入·口 1 8和出口 1 9 , 在入口之近傍被設有吹出口 1 7。製袋機2的入口 1 8和 噴嘴1 1之距離P爲5 〇 〇 m m,最好使之成爲1〇〇〜 3 0 0 m m地,被決定製袋機2的位置。在如此之距離p 則進的連續纖維1 5之溫度,係以到達入口 1 8時降低至 溶化點近傍爲理想。在從吹出口 1 7至出口 1 9爲止的距 離Q之間,有常溫壓縮空氣向出口 1 9吹出。距離q係以 2 〇〜5 〇 〇 m m爲理想,在此所謂常溫,係指1〇〜 5 0 °C之範圍。壓縮空氣,將以壓力〇 · 5〜2 k g f / c m 2 G,流量4〜丄〇 N m 3 / M丨N的比例被供給。進 入引導孔1 6的連續纖維丨5 ,將以常溫壓縮空氣被急冷 至常溫附近,並且將被延伸,使之成爲纖度爲〇 . 〇〇6 〜5 . 8 d,雙折射率△ η將成爲〇 . 〇 ;l 9〜 ◦ · 030。延伸後的連續纖維15 ,以具有1〜3g/ d之抗張強度爲理想。 無端皮帶3 ,有對圖的紙面垂直方向延伸之寬度,從 製袋機2的出口 1 9之距離R爲5 0〜3 0 0 m m。在理 想的皮帶3 ,從噴嘴1 的距離以3 〇 〇〜1 5 〇 〇爲理 想’而更理想係使之成爲4 〇 〇〜6 0 0 m m地被調整距 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱) ^^1 ^^1 a^n an ϋ·1 I ft·—· eMt n r 0 i emmmmm ΛΜ§ n ΛΒΒ ft·—· λϋ I ,i 1·— in i (請先閱讀背面之注意事項再填寫本頁) 487756 經濟部智慧財產局員工消費合作社印製 A7 137 五、發明說明(5 ) 離P,Q,R。皮帶3 ,係向圖的右方以2〜8 m / m l η之速度行走。皮帶3係通氣性者,挾著該皮帶3有 吸入箱2 1和製袋機2相對。從出口 1 9出來的連續纖維 1 5 ,將由壓縮空氣和吸入之作用向皮帶3的寬度方向和 長度方向搖勸’在皮帶3.上一面更不規則的花紋堆槙而形 成腹板2 2。 . 高壓水噴射裝置4,有多數的噴嘴2 3向皮帶3之寬 度方向以0 · 3〜3 m m的節距排列而被形成之1或2以 上的噴嘴列2 4,和挾著皮帶3和噴嘴列2 4相對向之吸 入箱2 6。噴嘴列2 4爲2列時,例如在第1列的噴嘴 2 3,將以2 0 k g f / c m 2之噴射水流施以使腹板2 2 的單位面積重量安定用之處理,在第2列的噴嘴2 3 ,將 連續纖維1 5中的一部份排列成向腹板2 2的進行方向延 伸,或由使一部份者互相糾纏而使腹板2 2之抗拉強度提 高。然後,腹板2 2將經乾燥工程(未圖示)成爲不織布 2 6,由捲取裝置6被捲取爲滾筒狀。 在如此的一連串之工程,採用下述運轉條件所得的連 續纖維1 5和不織布2 6之物理性質,係如下。 (運轉條件) 使用樹脂 聚丙烯(M F R = 7〇g / 1〇m 1 η ) 紡紗噴嘴 孔徑 〇.35mm 孔數 6 0〇 孔之節距 1mm 本紙張尺度適用中國國家標準(CNS)A4規格(21〇 x 297公釐) ----:----:----·裝---- (請先閱讀背面之注意事項再填寫本頁) —·,· I ·ϋ 兮0 487756 A7 _B7_五、發明說明(6 ) 溫度 2 3 0 °C 吐出量 0 . 1 3 g / m i η /噴嘴 熱風 溫度 2 3 0 °C 流量 1 · 5 N m 3 / m i η 常溫壓縮空氣 壓力 .1 . 0 k g f / c m 2 G 流量 6 . 0 N m 3. / m l η 皮帶 從紡紗噴嘴之距離 4 9 0 mm 行走速度 4.4m/min 高壓水噴射裝置 第1列 2 0 k g f / c m 2 第 2 歹 IJ 1 Ο 0 k g f / c m 2 經濟部智慧財產局員工消費合作社印製 (連續纖維之物理性質 平均纖維徑 纖維經標準偏差 拉力強度 拉力斷裂伸度 拉力條件: 雙折射率(△ η ) (不織布之物理性質) 坪量 3 厚度(測定負荷 3 M D方向之 8 . 9 μ m ( 0 . 5 1 d )1.03 1 . 7 2 g / d 6.38mm 夾頭間距離 Omm 拉力速度 10mm/m0.027 4 g 2 g / m cm2) .4 8 m m ------t-----裳--------訂--------- (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(210 x 297公釐) 487756 A7 B7 五、發明說明(7 ) 拉·力強度 1 6 5 5 〇 g / 5 0 m m寬度 拉力斷裂伸度 1 9 3 % C D方向之 拉力強度 8 2 4 8 g / 5 0 m m寬度 拉力斷裂伸度 1 9 .7 % 拉力條件:夾頭間距離 1 〇 m m 拉力速度 1 〇 m m / m i η 如此等連續纖維和不織布之物理性質所顯示,以關於 本發明之製造方法所得的連續纖維1 5 ,能夠使纖度比較 小,例如0 · 〇 〇 6〜5 · 8 d,同時能夠使纖度之參差 小。如此的連續纖維1 5,在成爲不織布2 6爲止的過程 ’幾乎不會熱融著,只會機械性地糾纏,而且,由於係連 續纖維,其糾纏程度小,不大會拘束連續纖維1 5互相之 移動。由如此的連續纖維1 5所成之不織布2 6 ,係柔軟 而且觸及肌膚的感覺優異。並且,被延伸成雙折射率△ n 爲0 · 019〜0 · 030之連續纖維15,聚丙烯分子 未被高度地定向成明顯地被妨害其伸長性,而有高之斷裂 伸長。例如,實施例的連續纖維1 5 ,係在夾頭間距離爲 〇 m m時的拉力試驗,將伸長至6 · 3 8 m m。如此之連 續纖維1 5以高壓水的噴射互相機械性地糾纏而被形成之 不織布2 6 ,將由於連續纖維1 5的斷裂伸度高,和纖維 1 5互相之糾纒弱,在M D方向和C D方向有1 〇 〇〜Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 487756 A7 _____ B7 V. Description of the invention (1) [Technical Field to which the Invention belongs] The present invention 'relates to a non-woven fabric made of continuous polypropylene fibers and a method for manufacturing the same. [Knowledge]-Patent Publication No. 2 8 8 7 6 1 1 discloses a method for producing a non-woven fabric made of extremely fine continuous fibers having a fineness of 1 d or less. According to this method, continuous fibers will be stretched uniformly in the second pass of melt-spinning, and then the fineness will become the desired one by being stretched again. Continuous fibers with reduced fineness will be collected and bonded together to form a non-woven fabric. [Problems to be Solved by the Invention] By the above-mentioned well-known technique, it is possible to obtain a soft non-woven fabric that touches the skin. The subject of the present invention is to give such a nonwoven fabric a large elongation at break. [Methods for solving problems] The present invention for solving the foregoing problems is constituted by a first invention of an invention of an object 'and a second invention of a method of manufacturing the same. The object of the first invention is a nonwoven fabric made of continuous fibers of polypropylene. In such a non-woven fabric, the first invention is characterized in that the continuous fiber has a fineness of 0.06 to 5 · 8 cl, and a birefringence of 9 to 0 to 0.30, and 1 to 〇〇 ~ 300% tensile fracture This paper is compliant with China National Standard (CNS) A4 specification (210 X 297 TTp · ---- 7 ---.---- installation -------- order- -------- (Please read the notes on the back before filling this page) 487756 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 V. Description of the invention (2) The elongation, the aforementioned fibers are essentially mutually The mechanical entanglement maintains the form of the non-woven fabric. In an ideal embodiment of the first invention, the tensile strength of the non-woven fabric is 1 to 3 g / d. The object of the second invention is a polypropylene which is extruded from a plurality of nozzles. After the continuous fibers are stretched, they are stacked on a belt that travels in one direction. A method of manufacturing the nonwoven fabric by entanglement of the continuous fibers with each other. In this method, the second invention is characterized in that the vicinity of the nozzle is held in a molten state. Near the temperature of the aforementioned continuous fiber being extruded, there are inlets and outlets and the like A guide path extending between the users guides the continuous fiber to the bag making machine where compressed air at normal temperature is ejected from the inlet to the outlet in the guide path, and the guide path is rapidly cooled, and the air is passed between the nozzle and the bag making machine. The continuous fiber elongation reduces the fineness of the continuous fiber and orients the molecules of the polypropylene to such an extent that a desired birefringence can be obtained. In the second invention, there are the following preferred embodiments. (1) The foregoing The continuous fiber is thinned at the melting temperature near the nozzle, and the continuous fiber gradually decreases to a temperature near the melting point from the vicinity to the inlet of the bag making machine, and is rapidly cooled to the inside of the bag making machine. (2) The aforementioned temperature is a form in which hot air having a temperature approximately the same as that of the continuous fiber being extruded is blown out near the nozzle and is performed at a normal temperature. 3) Inside the aforementioned bag-making machine, 'make the aforementioned continuous fiber fineness to this paper size to the Chinese National Standard (cns) a4 regulations (210 x 297 public love) ----; ----; ---- install -------- order · -------- (Please read the notes on the back before filling (This page) 487756 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 Β7 V. The description of the invention (3) will be a form in which the aforementioned continuous fibers are extended from 0. 0 6 to 5. 8 d. (4) In the aforementioned system Inside the bag machine, the continuous fibers will have a birefringence of 0.001 to 0. 0. 30 in a state in which the polypropylene molecules are oriented. (5) The continuous fibers are made by spraying high-pressure water. Forms of entangled projects. (6) A form in which the distance from the nozzle to the belt is 400 to 600 mm. [Embodiments of the Invention] The detailed description of the nonwoven fabric and nonwoven fabric manufacturing method of the present invention will be described below with reference to the drawings. FIG. 1 is a drawing showing a process for continuously manufacturing a non-woven fabric 100. In this process, a melt spinning machine 1, a bag making machine 2, an endless belt 3, a high-pressure water jetting device 4, and a winding machine are included.装置 6。 Device 6. The melt spinning machine 1 is provided with a raw material input port and a screw extruder, although not shown in the figure. A spinning nozzle 1 1 is provided at the front end of the extruder, and hot air blowing outlets are near the sides of the nozzle 1 1. 1 2. The raw material will be polypropylene, such as polypropylene with M F R of 10 ~ 80 g / 10 m i η. The nozzles 1 1 are, for example, those having a hole diameter of 0.35 m, and are arranged in a direction perpendicular to the drawing surface with a hole interval of 1 mm. From this nozzle 1 1, it will be discharged at a ratio of 0.1 3 to 0.4 g / m i ^ nozzle. From the blowing outlet 1 2, the temperature is slightly the same as the temperature of the molten polypropylene. For example, the paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 public love) —I —.— pack ------ --Order --------- ^ il ^ · (Please read the notes on the back before filling out this page) Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 487756 V. Description of the invention (4 If it is about 2 3 0. (: The hot air of polypropylene is about 230 ° C. It is blown out at a ratio of i ~ 3Nm3 / m 丨 n, which prevents the sharp temperature of the polypropylene being extruded from decreasing. Bag making machine 2, There are guide holes 丨 6 through which continuous fibers 1 5 will pass, and normal-temperature compressed air outlets that open at both sides of the guide holes 16. 1 7. Guide channels 16 have inlets and outlets 1 for continuous fibers 15 8 and outlet 19 are provided near the entrance with a blowing outlet 17. The distance P between the inlet 18 and the nozzle 11 of the bag-making machine 2 is 500 mm, and it is preferable to make it 100 to 30. At a position of 0 mm, the position of the bag making machine 2 is determined. The temperature of the continuous fiber 15 fed at such a distance p is preferably lowered to the melting point near the entrance 18, and from the blow outlet Between the distance Q from 17 to the outlet 19, there is room temperature compressed air blown out to the outlet 19. The distance q is ideally 200 ~ 500mm. Here, the so-called normal temperature means 10 ~ 50 ° The range of C. Compressed air will be supplied at a pressure of 0.5 to 2 kgf / cm 2 G and a flow rate of 4 to 丄 〇N m 3 / M 丨 N. The continuous fibers entering the guide hole 16 will be 5 Compressed air at room temperature is quenched to near room temperature, and will be stretched to a fineness of 0.06 to 5.8 d, and the birefringence Δ η will be 0.0 to 19 to ◦ 030. Extension The continuous fiber 15 is preferably with a tensile strength of 1 to 3 g / d. The endless belt 3 has a width extending perpendicular to the paper surface of the drawing, and the distance R from the exit 19 of the bag-making machine 2 is 50. ~ 3 0 0 mm. In the ideal belt 3, the distance from the nozzle 1 is ideally 3 000 ~ 1 5 0 ', and more ideally it is adjusted to 4 00 ~ 6 0 0 mm from the paper Standards are applicable to China National Standard (CNS) A4 specifications (210 X 297 public love) ^^ 1 ^^ 1 a ^ n an ϋ · 1 I ft · — · eMt nr 0 i emmmmm ΛΜ§ n ΒΒ ft · — · λϋ I, i 1 · — in i (Please read the precautions on the back before filling out this page) 487756 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 137 V. Description of the invention (5) From P, Q, R. The belt 3 moves toward the right side of the figure at a speed of 2 to 8 m / m l η. The belt 3 is an air permeable person. Holding the belt 3, the suction box 21 and the bag making machine 2 are opposed to each other. The continuous fibers 15 coming out of the outlet 19 will be shaken in the width and length directions of the belt 3 by the action of compressed air and suction 'to form a web 22 on the belt 3. A more irregular pattern piles up on the upper side. The high-pressure water jetting device 4 has a plurality of nozzles 2 3 which are formed by arranging 1 or 2 or more nozzles 2 and 4 in a width direction of the belt 3 with a pitch of 0.3 mm to 3 mm. The nozzle row 2 4 is opposite to the suction box 26. When the nozzle row 24 is two rows, for example, the nozzle 23 of the first row applies a spraying water flow of 20 kgf / cm 2 to stabilize the unit area weight of the web 2 2 in the second row. The nozzles 2 3 arrange a part of the continuous fibers 15 to extend in the direction of the web 22, or increase the tensile strength of the web 22 by entanglement of some of them. Then, the web 22 is made into a non-woven fabric 2 6 through a drying process (not shown), and is wound into a roll shape by the winding device 6. In such a series of projects, the physical properties of the continuous fibers 15 and nonwoven fabrics 26 obtained by using the following operating conditions are as follows. (Running conditions) Resin polypropylene (MFR = 70 g / 10 m 1 η) Spinning nozzle diameter 0.35 mm, number of holes 600, pitch of 1 mm, this paper size applies Chinese National Standard (CNS) A4 (21〇x 297 mm) ----: ----: ---- · install ---- (Please read the precautions on the back before filling in this page) — ·, · I · ϋ xi 0 487756 A7 _B7_ V. Description of the invention (6) Temperature 2 3 0 ° C Discharge volume 0.1 1.3 g / mi η / Nozzle hot air temperature 2 3 0 ° C Flow rate 1 · 5 N m 3 / mi η Normal temperature compressed air pressure .1. 0 kgf / cm 2 G flow rate 6. 0 N m 3. / ml η Distance of the belt from the spinning nozzle 4 900 mm Travel speed 4.4m / min High pressure water jet device 1st row 20 kgf / cm 2 No. 2 歹 IJ 1 0 0 kgf / cm 2 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs (physical properties of continuous fibers, average fiber diameter, standard fiber tensile strength, tensile elongation at break, tensile elongation, tensile condition: birefringence (△ η) (Physical properties of non-woven fabric) Flat weight 3 Thickness (measurement load 3 MD direction 8. 9 μm (0.5 1 d) 1.03 1. 7 2 g / d 6.38mm clamp Distance Omm Tensile speed 10mm / m0.027 4 g 2 g / m cm2) .4 8 mm ------ t ----- Shang -------- Order ------ --- (Please read the precautions on the back before filling this page) This paper size is applicable to China National Standard (CNS) A4 (210 x 297 mm) 487756 A7 B7 V. Description of the invention (7) Tensile strength 1 6 5 5 0 g / 50 mm width tensile elongation at break 19 3% Tensile strength in the CD direction 8 2 4 8 g / 50 mm width tensile elongation at break 19. 7% Tensile condition: distance between chucks 1 〇mm Tensile speed 1 〇mm / mi η As shown by the physical properties of such continuous fibers and non-woven fabrics, the continuous fibers 15 obtained by the manufacturing method of the present invention can make the fineness relatively small, for example, 0 · 〇〇6〜5 · 8 d, at the same time, can make the difference in fineness small. Such continuous fibers 15, until they become non-woven fabrics 26, will hardly be fused and will only be mechanically entangled, and because they are continuous fibers, their The degree of entanglement is small, and the continuous fibers 15 are not restrained from moving to each other. The non-woven fabric 2 6 made of such continuous fibers 15 is soft and excellent in touch with the skin. Further, the continuous fiber 15 having a birefringence Δn of 0. 019 to 0. 030 is not oriented so that the polypropylene molecules are highly oriented so as to significantly impede its extensibility, but has a high elongation at break. For example, the continuous fiber 15 of the example is stretched to 6.38 m m in a tensile test when the distance between the chucks is 0 mm. In this way, the continuous fiber 15 is mechanically entangled with a high-pressure water jet to form a non-woven fabric 2 6. The continuous elongation of the continuous fiber 15 is high, and the fiber 15 is weakly entangled with each other. CD direction is 1 〇〇〜

3〇0 %的高之斷裂伸度。在實施例的不織布2 6 ,M D 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -------;----•裝 (請先閱讀背面之注意事項再填寫本頁) 訂---- # 經濟部智慧財產局員工消費合作社印製 487756 第89124695號專利申請案 中文說明書修正頁民國91年4月修正 A7 91· 4· 1 6 修 yp______B7 月五日、銜撼明(8 ) 方向和CD方向之斷裂伸度爲1 9 3%和1 9 7%。 (請先閲讀背面之注意事項再填寫本頁) 根據本發明能得到的不織布2 6,除了能夠使用在用 後即丟尿布和衛生棉,醫療用的用後即丟長袍等之用後即 丟穿著物品外,也能做爲過濾物和濕抹布等使用。 〔發明之效果〕 根據有關本發明之聚丙燒製不織布之製造方法時,能 夠從具有0 · 006〜5 . 8d的纖度,和〇 ·〇19〜 0 · 0 3 0之雙折射率,和1〜3g/d的抗拉強度之聚 丙烯的連續纖維得到不織布。該不織布,在連續纖維之紡 絲時的聚丙烯分子之定向程度低,而且連續纖維,並未糾 纏至強力地拘束互相的移動。如此之不織布,係柔軟而接 觸皮膚之感覺優異,而且具有高之斷裂伸度。 〔圖面之簡單說明〕 〔第1圖〕 係顯示不織布之製造工程。 經濟部智慧財產局員工消費合作社印製 〔圖號說明〕 1 擠出機 2 製袋機 3 皮帶 4 高壓水噴射裝置 11 噴嘴 本紙張尺度適用中國國家標率(CNS ) A4規格(210x297公釐) 487756 A7 B7 五、發明說明(9 ) 15 連續纖維 16 引導通路 18 入口 19 出口 2 6 不織布 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)High elongation at break of 300%. In the example of the non-woven cloth 26, MD, the paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) -------; ---- • installed (please read the precautions on the back first) (Fill in this page again) Order ---- # Printed 487756 No. 89124695 Patent Application Chinese Manual of the Ministry of Economic Affairs Intellectual Property Cooperatives Amendment Page Chinese Application for Amendment A7 91 · 4 · 1 6 Rev. yp______B July 5th The fracture elongations in the (8) direction and the CD direction were 19 3% and 19 7%. (Please read the precautions on the back before filling this page.) The non-woven cloth 2 6 that can be obtained according to the present invention can be used after disposable diapers and sanitary napkins, medical disposable robes, etc. In addition to wearing articles, it can also be used as a filter and a wet cloth. [Effect of the Invention] According to the method for producing a polypropylene-fired nonwoven fabric according to the present invention, it is possible to obtain a fineness from 0. 006 to 5.8 d, and a birefringence of 0. 019 to 0. 0 3 0, and 1 Polypropylene continuous fibers with a tensile strength of ~ 3 g / d are obtained as a nonwoven fabric. This nonwoven fabric has a low degree of orientation of polypropylene molecules during the spinning of continuous fibers, and the continuous fibers are not entangled to strongly restrain the movement of each other. Such a non-woven fabric is soft and excellent in contact with the skin, and has a high elongation at break. [Simplified description of drawings] [Figure 1] Shows the manufacturing process of non-woven fabrics. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs [Illustration of the drawing number] 1 Extruder 2 Bag-making machine 3 Belt 4 High-pressure water spraying device 11 Nozzle The paper size applies to China National Standards (CNS) A4 specifications (210x297 mm) 487756 A7 B7 V. Description of the invention (9) 15 Continuous fiber 16 Guide passage 18 Inlet 19 Outlet 2 6 Non-woven cloth (Please read the precautions on the back before filling out this page) Printed on paper. Applicable to the paper. China National Standard (CNS) A4 (210 X 297 mm)

Claims (1)

487756 A8 4 . I · ^ B8 、▲ C8 D8 六、申請專利範圍 第89 1 24695號專利申請案 中文申請專利範圍修正本 民國91年4月修正 1 . 一種聚丙嫌製不織布,係由聚丙烯的連續纖維所 構成之不織布,其特徵爲: 前述連續纖維,係具有0 · 0 0 6〜5 . 8 d的纖度 、和0 . 019〜0 · 030之複數折射率、及1〇〇〜 3 0 〇 %的抗拉斷裂伸度,前述纖維之間,實質上利用互 相的機械性糾纒來維持不織布的形態。 2 .如申請專利範圍第1項之聚丙烯製不織布,其中 ,前述不織布之抗張強度爲1〜3 g/ d者。 3 . —種聚丙烯製不織布之製造方法,其中,在將從 多數的噴嘴擠出之聚丙烯連續纖維延伸後,使之堆積在朝 一方向行走的皮帶,使前述連續纖維互相糾纏而製造不織 布之方法,其特徵爲: 將前述噴嘴附近保溫成在溶融狀態濟出的前述連續纖 維之溫度附近,備有入口和出口及延伸在此兩者間之引導 通路’在前述導引通路’將前述連續纖維引導至從前述入 口向出口方向吹出常溫的壓縮空氣之製袋機的前述引導通 路後急冷’在前述噴嘴和前述製袋機之間把前述連續纖維 延伸而使前述連續纖維的纖度縮小,而且,使前述聚丙;I:希 之分子定向成能夠獲得所要的複數折射率之程度者。 4 .如申請專利範圍第3項之聚丙烯製不織布之製造 方法,其中,前述連續纖維,係在前述噴嘴附近位於熔融 本^:尺度適用中國國家標準(CNS ) A4規格(210X297公釐) --:- —^-----— (請先閱讀背面之注意事項再填寫本頁) 訂 經濟部智慧財產局員工消費合作社印製 AB-CD 487756 六、申請專利範圍 (請先閱讀背面之注意事項再填寫本頁) 溫度而纖度變小,而在從前述附近至前述製袋機入口爲止 之間,逐漸降低至熔化點附近的溫度,而在前述製袋機內 部則邊被急冷至常溫,邊被延伸至能獲得所要的複數折射 率之程度。 5 .如申請專利範圍第3項或第4項之聚丙烯製不織 布之製造方法,其中,前述保溫,係由將和被擠出的前述 連續纖維大致相同溫度之熱風吹出在前述噴嘴附近而被進 行。 6 .如申請專利範圍第3項或第4項之聚丙烯不織布 之製造方法,其中,在前述製袋機內部,使前述連續纖維 之纖度成爲0 . 0 0 6〜5 · 8 d地將前述連續纖維延伸 〇 7 .如申請專利範圍第3項或第4項之聚丙烯製不織 布之製造方法,其中,在前述製袋機內部,使前述連續纖 維之複數折射率成爲0 · 0 1 9〜0 . 0 3 0地將前述聚 丙儲之分子定向。 8 .如申請專利範圍第3項或第4項之聚丙烯製不織 經濟部智慧財產局員工消費合作社印製 法糾 方目 造W 製維 之纖 布續 9 連 述 前 使 射 噴 的 水 壓 高 用 利 有 含 包 中 其 程 製 之 織離 不距 製之 烯止 丙爲 聚帶 之皮 項述 4 前 第至 或嘴 項噴 3述 第r 圍從 A-B r, 利中 專其 請, 申法 如方 .造 製 之 布 爲 ο mm -2 - 本紙張尺度適用中國國家標準(CNS ) Α4規格(210 X 297公釐)487756 A8 4. I · ^ B8, ▲ C8 D8 VI. Application for Patent Scope No. 89 1 24695 Chinese Patent Application Amendment Scope of the Republic of China Amendment in April 91 1. A polypropylene non-woven fabric made of polypropylene A non-woven fabric made of continuous fibers is characterized in that the aforementioned continuous fibers have a fineness of 0. 0 0 6 to 5. 8 d, a complex refractive index of 0. 019 to 0. 030, and 100 to 3 0. 〇% tensile elongation at break, the aforementioned fibers substantially use the mutual mechanical correction to maintain the shape of the non-woven fabric. 2. The polypropylene non-woven fabric according to item 1 of the patent application scope, wherein the tensile strength of the aforementioned non-woven fabric is 1 to 3 g / d. 3. A method for manufacturing a polypropylene non-woven fabric, wherein after the polypropylene continuous fibers extruded from a plurality of nozzles are extended, they are stacked on a belt running in one direction, and the continuous fibers are entangled with each other to produce a nonwoven fabric. The method is characterized in that: the vicinity of the nozzle is insulated to a temperature near the temperature of the continuous fiber released in a molten state, and an inlet and an outlet, and a guide path extending therebetween are provided, which continuously connects the continuous path in the guide path. The fibers are guided to the guide path of the bag-making machine that blows out room-temperature compressed air from the inlet to the outlet, and then quenched to extend the continuous fibers between the nozzle and the bag-making machine to reduce the fineness of the continuous fibers, and I: Orient the aforementioned polypropylene; I: The molecule of Greek is oriented to such an extent that the desired complex refractive index can be obtained. 4. The manufacturing method of polypropylene non-woven fabric according to item 3 of the scope of patent application, wherein the continuous fiber is located near the nozzle in a molten form ^: The size applies to the Chinese National Standard (CNS) A4 specification (210X297 mm)- -:-— ^ -----— (Please read the precautions on the back before filling this page) Order the AB-CD 487756 printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 6. Scope of patent application (please read the first Note: Please fill in this page again) The temperature and the fineness become smaller, and from the vicinity to the entrance of the bag-making machine, the temperature gradually decreases to the temperature near the melting point, while the inside of the bag-making machine is quenched to normal temperature , The edge is extended to the extent that the desired complex refractive index can be obtained. 5. The method for manufacturing a polypropylene non-woven fabric according to item 3 or 4 of the scope of patent application, wherein the heat insulation is performed by blowing hot air having a temperature approximately the same as that of the continuous fiber being extruded near the nozzle and being get on. 6. The method for manufacturing a polypropylene non-woven fabric according to item 3 or item 4 of the scope of patent application, wherein the fineness of the continuous fiber in the bag making machine is set to 0.06 to 5 · 8 d. Continuous fiber extension 0. The method for producing a polypropylene nonwoven fabric according to item 3 or 4 of the scope of patent application, wherein the inside of the bag-making machine is such that the complex refractive index of the continuous fiber becomes 0 · 0 1 9 ~ 0.030 The molecules of the aforementioned polypropylene reservoir are oriented. 8. If you apply for item 3 or 4 of the scope of the patent application, the non-woven polypropylene made by the Intellectual Property Bureau of the Ministry of Economic Affairs and the Consumer Cooperatives Printing Method will correct the fabric and make fiber fabrics for continuous maintenance. Continued 9 The high-use benefits include the leather items of the process system, the woven and non-isolated allenes, and the poly-skinned leather items. The first to the first or the mouth sprays the third to r from AB r. The application method is as square. The fabric is made ο mm -2-This paper size applies to China National Standard (CNS) Α4 specification (210 X 297 mm)
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CN1237218C (en) 2006-01-18
SG87192A1 (en) 2002-03-19
CN1297075A (en) 2001-05-30
BR0005847B1 (en) 2011-12-27
CA2326263C (en) 2006-12-05
CA2326263A1 (en) 2001-05-22
AU765499B2 (en) 2003-09-18
AU7173900A (en) 2001-05-24
JP2001146670A (en) 2001-05-29
EP1101854A1 (en) 2001-05-23
KR20010060339A (en) 2001-07-06
DE60036994D1 (en) 2007-12-20

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