JP2005526922A - 広がった不織ウェブの形成方法 - Google Patents
広がった不織ウェブの形成方法 Download PDFInfo
- Publication number
- JP2005526922A JP2005526922A JP2004507585A JP2004507585A JP2005526922A JP 2005526922 A JP2005526922 A JP 2005526922A JP 2004507585 A JP2004507585 A JP 2004507585A JP 2004507585 A JP2004507585 A JP 2004507585A JP 2005526922 A JP2005526922 A JP 2005526922A
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- JP
- Japan
- Prior art keywords
- processing chamber
- width
- filament
- stream
- web
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
-
- 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
- D04H3/03—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 at random
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
-
- 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
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-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
-
- 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]
- Y10T442/681—Spun-bonded 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]
- Y10T442/69—Autogenously bonded nonwoven fabric
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
(式中、
Mは、グラム/立方メートル単位の、オリフィスあたりのポリマー流速であり、
ρはポリマー密度であり、
dfは、メートル単位の、測定された平均繊維直径である)
から計算した。
Claims (17)
- a)既知の幅および厚さを有するダイからフィラメントのストリームを押出すことと、b)互いに平行であり、ダイの前記幅に平行であり、および押出されたフィラメントのストリームの長手方向軸に平行である2つのわずかに隔てられた壁によって画定される処理チャンバを介して、押出されたフィラメントのストリームを方向付けることと、c)前記処理チャンバを通過したフィラメントのストリームをコレクタ上で遮断し、前記フィラメントがそこで不織繊維ウェブとして捕集されることと、d)前記処理チャンバの壁の間隔を選択して、押出されたフィラメントの前記ストリームが広がって、前記ダイの前記幅よりも少なくとも50ミリメートル幅広の機能性ウェブとして捕集されるようにすることとを含む不織繊維ウェブの調製方法。
- 前記2つの平行な壁によって画定される前記処理チャンバが、その長手方向側で周囲環境に開放されている請求項1に記載の方法。
- フィラメントの移動方向を横断する方向の前記壁の幅が、前記フィラメントの移動の上流地点よりも下流地点の方が大きい請求項1または2に記載の方法。
- 前記処理チャンバが、その長手方向側の長さの少なくとも一部にわたって周囲環境に対して閉鎖されている請求項3に記載の方法。
- 前記平行な壁が、前記フィラメントの移動方向に互いに近接する請求項1〜4のいずれか一項に記載の方法。
- 捕集された前記機能性ウェブが、前記ダイの前記幅よりも少なくとも100ミリメートル幅広である請求項1〜5のいずれか一項に記載の方法。
- 前記捕集された機能性ウェブが、前記ダイの前記幅よりも少なくとも200ミリメートル幅広である請求項1〜5のいずれか一項に記載の方法。
- 前記フィラメントが、前記コレクタに到達する前に前記ダイの前記幅よりも少なくとも50%大きい幅に広がる請求項1〜5のいずれか一項に記載の方法。
- 前記フィラメントが、前記コレクタに到達する前にダイの前記幅の少なくとも2倍の幅に広がる請求項1〜5のいずれか一項に記載の方法。
- 前記フィラメントのストリームが、少なくとも5mmの厚さおよび少なくとも10cc/グラムの嵩高性を有する嵩高性不織ウェブを形成する請求項1〜9のいずれか一項に記載の方法。
- 前記フィラメントが前記コレクタ上で捕集されるときに自己接着可能であるように、前記処理チャンバに入る押出フィラメントの堅さが制御される請求項1〜10のいずれか一項に記載の方法。
- 前記処理チャンバを画定する壁の少なくとも一方が、他方の壁に向かって、および他方の壁から離れるように瞬時に移動可能であり、前記フィラメントの通過中に瞬間的な移動を提供するための移動手段に支配される請求項1〜11のいずれか一項に記載の方法。
- 前記処理チャンバが、前記処理チャンバを通る移動方向の引張り力を前記フィラメントに付加するエアナイフを含む請求項1〜12のいずれか一項に記載の方法。
- a)既知の幅を有するダイからフィラメントのストリームを押出すことと、b)互いに平行であり、前記ダイの前記幅に平行であり、および押出されたフィラメントの前記ストリームの長手方向軸に平行である2つのわずかに隔てられた壁によって画定される処理チャンバを介して、押出されたフィラメントのストリームを方向付けることと、c)前記フィラメントの前記ストリームをコレクタ上で遮断し、前記処理されたフィラメントがそこで不織繊維ウェブとして捕集されることと、d)前記処理チャンバの壁の間の間隔を選択し、エアナイフから下流の前記処理チャンバの主な長さにわたって、前記フィラメントの移動方向に互いに遠離するようにこれらの壁を配置し、それによって、前記押出フィラメントのストリームが、前記ストリームがコレクタに到達する前に前記ダイの前記幅よりも狭い選択された幅を有するようになることとを含む不織繊維ウェブの調製方法。
- 請求項1〜14のいずれか一項に記載の方法によって調製された繊維の捕集塊を含む繊維不織ウェブ。
- 前記繊維の捕集塊が少なくとも5mmの厚さを有し、少なくとも10cc/gの嵩高性を有する請求項15に記載のウェブ。
- 前記捕集塊の繊維が、互いに自己接着される請求項15または16に記載のウェブ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/151,781 US20030003834A1 (en) | 2000-11-20 | 2002-05-20 | Method for forming spread nonwoven webs |
PCT/US2003/014841 WO2003100149A1 (en) | 2002-05-20 | 2003-05-13 | Method for forming spread nonwoven webs |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005526922A true JP2005526922A (ja) | 2005-09-08 |
JP2005526922A5 JP2005526922A5 (ja) | 2006-06-15 |
JP4520296B2 JP4520296B2 (ja) | 2010-08-04 |
Family
ID=29582059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004507585A Expired - Fee Related JP4520296B2 (ja) | 2002-05-20 | 2003-05-13 | 広がった不織ウェブの形成方法 |
Country Status (15)
Country | Link |
---|---|
US (2) | US20030003834A1 (ja) |
EP (1) | EP1507908B1 (ja) |
JP (1) | JP4520296B2 (ja) |
KR (1) | KR101010413B1 (ja) |
CN (1) | CN100359072C (ja) |
AT (1) | ATE419417T1 (ja) |
AU (1) | AU2003229022A1 (ja) |
BR (1) | BR0311133A (ja) |
CA (1) | CA2486416A1 (ja) |
DE (1) | DE60325584D1 (ja) |
IL (1) | IL164916A (ja) |
MX (1) | MXPA04011368A (ja) |
TW (1) | TWI293346B (ja) |
WO (1) | WO2003100149A1 (ja) |
ZA (1) | ZA200410159B (ja) |
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2002
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2003
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- 2003-05-13 CN CNB038116022A patent/CN100359072C/zh not_active Expired - Fee Related
- 2003-05-13 CA CA 2486416 patent/CA2486416A1/en not_active Abandoned
- 2003-05-13 DE DE60325584T patent/DE60325584D1/de not_active Expired - Lifetime
- 2003-05-13 AU AU2003229022A patent/AU2003229022A1/en not_active Abandoned
- 2003-05-13 BR BR0311133A patent/BR0311133A/pt not_active IP Right Cessation
- 2003-05-13 EP EP03726802A patent/EP1507908B1/en not_active Expired - Lifetime
- 2003-05-13 AT AT03726802T patent/ATE419417T1/de not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
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IL164916A (en) | 2009-07-20 |
CA2486416A1 (en) | 2003-12-04 |
KR20050007411A (ko) | 2005-01-17 |
ZA200410159B (en) | 2006-02-22 |
KR101010413B1 (ko) | 2011-01-21 |
TWI293346B (en) | 2008-02-11 |
EP1507908A1 (en) | 2005-02-23 |
WO2003100149A1 (en) | 2003-12-04 |
CN100359072C (zh) | 2008-01-02 |
ATE419417T1 (de) | 2009-01-15 |
US20030003834A1 (en) | 2003-01-02 |
EP1507908B1 (en) | 2008-12-31 |
BR0311133A (pt) | 2005-05-10 |
IL164916A0 (en) | 2005-12-18 |
DE60325584D1 (de) | 2009-02-12 |
US7470389B2 (en) | 2008-12-30 |
AU2003229022A1 (en) | 2003-12-12 |
TW200400296A (en) | 2004-01-01 |
CN1656271A (zh) | 2005-08-17 |
MXPA04011368A (es) | 2005-02-17 |
JP4520296B2 (ja) | 2010-08-04 |
US20050140067A1 (en) | 2005-06-30 |
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