JP2007511675A - 不織弾性繊維ウェブおよびその製造方法 - Google Patents
不織弾性繊維ウェブおよびその製造方法 Download PDFInfo
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- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
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- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
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- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
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- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
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- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
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- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
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- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
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- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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- 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
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- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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- 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
- D04H3/10—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 yarns or filaments made mechanically
- D04H3/11—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 yarns or filaments made mechanically by fluid jet
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- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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- 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
- D04H3/14—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 yarns or filaments produced by welding
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- Y10T442/601—Nonwoven fabric has an elastic quality
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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
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- Y10T442/601—Nonwoven fabric has an elastic quality
- Y10T442/602—Nonwoven fabric comprises an elastic strand or fiber material
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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
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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
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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
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Abstract
Description
図1〜3に示されるような装置を使用して、4つの異なる繊維ウェブを作製した。ウェブのうちの2つは実施例1および2であり、ポリウレタン樹脂(ユタ州ソルトレークシティ(Salt Lake City,Utah)のハンツマン・ポリウレタンズ(Huntsman polyurethanes)により供給されるPS440−200、25g/10分の溶融流れ速度を有する)から形成した。ポリウレタンを押出機内で221℃(押出機12内のポンプ13への出口付近で測定した温度)に加熱し、ダイを以下の表1に記載される温度に加熱した。
上部ロール−
結合面積が20%のポイント結合ダイヤモンドパターン
1mm×1mmのランド面積を有するポイント
外径10インチ(25.4cm)で幅22インチ(56cm)(ドラムの軸に沿って)
ロール内のオイル温度=155°F(68℃)
ウェブ速度5フィート/分(1.52メートル/分)
底部ロール−
平滑な鋼
外径10インチ(25.4cm)で幅22インチ(56cm)(ドラムの軸に沿って)
ロール内のオイル温度=155°F(68℃)
ウェブ速度5フィート/分(1.52メートル/分)
ニップ圧力−100psi(689kPa)
図1〜3に示されるような装置を使用して、ジブロックポリマーおよび他の成分のブレンドから2つの異なる繊維ウェブを作製した。実施例5では、60%のスチレン系ブロックコポリマー(テキサス州ヒューストンのクラトン(登録商標)ポリマーズ(Kraton(登録商標) Polymers Houston Texas)から入手可能なクラトン(Kraton(登録商標))D1119P、約34%のSISコポリマーおよび約66%のSIジブロックからなり、スチレン含量が約22%である)と、40%の鉱油(テキサス州ミッドランドのシェブロン・テキサコ・コーポレーション(Chevron Texaco Corporation Midland Texas)から入手可能なシェブロン・スペルラ(Chevron Superla(登録商標))ホワイトオイル31)とのブレンドを使用した。ブレンドを押出し機内で253℃(押出機12内のポンプ13への出口付近で測定した温度)に加熱し、ダイを以下の表1に記載される温度に加熱した。
図1〜3に示されるような装置を使用して、エラストマーポリエチレン系樹脂(デラウェア州ウィルミントンのデュポン−ダウ・エラストマーズ(Dupont−Dow Elastomers,Wilmington Delaware)から入手可能なエンゲージ(Engage)8402(22%のオクテンコモノマー含量))からウェブを作製した。樹脂を押出し機内で240℃(押出機12内のポンプ13への出口付近で測定した温度)に加熱し、ダイを以下の表1に記載される温度に加熱した。押出ヘッドまたはダイは16列のオリフィスを有し、それぞれの列は32個のオリフィスを有し、全部で512個のオリフィスとした。ダイは横断方向の長さが8.0インチ(20.3ミリメートル)であった。孔の直径は0.040インチ(0.889mm)であり、L/D比は6であった。ポリマーの流速は、0.5g/孔/分であった。
Claims (28)
- 少なくとも1×10-5の複屈折数を提供するのに十分な分子配向を有する直接形成された弾性繊維を含む、寸法安定性の凝集性不織繊維ウェブ。
- 前記直接形成された弾性繊維が、少なくとも1×10-2の複屈折数を提供するのに十分な分子配向を有する、請求項1に記載のウェブ。
- 前記弾性繊維が、少なくとも200%の破断伸びを示し、その元の長さの2倍に伸長する張力から解放されるとその元の長さの1.25倍以下に収縮するエラストマー繊維を含む、請求項1または2に記載のウェブ。
- 前記弾性繊維がエチレン系ポリマーを含み、そして前記繊維が、少なくとも1×10-2の複屈折数を示す、請求項1または3に記載のウェブ。
- 前記弾性繊維がプロピレン系ポリマーを含み、そして前記繊維が、少なくとも1×10-2の複屈折数を示す、請求項1または3に記載のウェブ。
- 前記弾性繊維がウレタン系ポリマーを含み、そして前記繊維が、少なくとも1×10-2の複屈折数を示す、請求項1または3に記載のウェブ。
- 前記弾性繊維が、スチレン系ブロックコポリマーを含む、請求項1または3に記載のウェブ。
- 前記弾性繊維が、脂肪族ポリエステルまたは脂肪族ポリアミドを含む、請求項1または3に記載のウェブ。
- 少なくとも1×10-5の複屈折数を提供するのに十分な前記分子配向を保持しながら、前記弾性繊維をその収縮温度よりも高い温度に加熱することによってアニールされた、請求項1〜8のいずれか一項に記載のウェブ。
- 70℃に加熱されたときに幅の10%以下の収縮を示す、請求項1〜9のいずれか一項に記載のウェブ。
- 前記弾性繊維が熱結合されている、請求項1〜10のいずれか一項に記載のウェブ。
- 前記結合が自己結合を含む、請求項11に記載のウェブ。
- 前記ウェブの繊維が水流交絡されて、繊維が機械的に結合されている、請求項1〜10のいずれか一項に記載のウェブ。
- 前記弾性繊維が、歪み誘起型結晶化を示す、請求項1〜13のいずれか一項に記載のウェブ。
- a)弾性繊維形成材料のフィラメントを押出することと、b)フィラメントを細径化および延伸する長手方向の応力が前記フィラメントに加えられる加工チャンバを通るように、前記フィラメントを方向付けることと、c)前記フィラメント内の分子がフィラメントの長さに沿って配向されるのに十分な時間の間、前記フィラメントが細径化および延伸応力下にある間に前記フィラメントをその配向温度に保持することと、d)前記フィラメントが細径化および延伸応力下にある間に前記フィラメントをその配向固定温度まで冷却し、そして前記フィラメントを更に冷却して凝固した弾性繊維にすることと、e)凝固した弾性繊維を繊維不織ウェブとして捕集することとを含む繊維形成方法。
- 前記フィラメントが、少なくとも200%の破断伸びを示し、その元の長さの少なくとも2倍であるように伸長する張力から解放されるとその元の長さの1.25以下に収縮するエラストマー材料から押出される、請求項15に記載の方法。
- 前記フィラメントが、前記フィラメントのガラス転移温度または融点よりも高い温度で前記加工チャンバに入る、請求項15または16に記載の方法。
- 前記加工チャンバから出た後に、最も大きい長手方向の応力が前記フィラメントに加えられる、請求項15、16または17のいずれか一項に記載の方法。
- 前記フィラメントが、少なくとも2800メートル/分の速度で前記加工チャンバを通過する、請求項15〜18のいずれか一項に記載の方法。
- 前記フィラメントが、少なくとも4000メートル/分の速度で前記加工チャンバを通過する、請求項15〜18のいずれか一項に記載の方法。
- 前記捕集された繊維を、その収縮温度よりも高いが繊維の緩和温度よりも低い温度にさらすことによってアニールする更なる工程を含む、請求項15〜18のいずれか一項に記載の方法。
- アニールされた後に繊維を熱結合させる更なる工程を含む、請求項21に記載の方法。
- アニールされる前に繊維を熱結合させる更なる工程を含む、請求項22に記載の方法。
- 前記ウェブの繊維を水流交絡する更なる工程を含む、請求項22に記載の方法。
- 前記フィラメントが、エチレン系ポリマーまたはプロピレン系ポリマーを含む、請求項15〜24のいずれか一項に記載の方法。
- 前記フィラメントが、ウレタン系ポリマーを含む、請求項15〜24のいずれか一項に記載の方法。
- 前記フィラメントが、スチレン系ブロックコポリマーを含む、請求項15〜24のいずれか一項に記載の方法。
- 前記フィラメントが、脂肪族ポリエステルまたは脂肪族ポリアミドを含む、請求項15〜24のいずれか一項に記載の方法。
Applications Claiming Priority (3)
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US10/715,315 | 2003-11-17 | ||
US10/715,315 US20050106982A1 (en) | 2003-11-17 | 2003-11-17 | Nonwoven elastic fibrous webs and methods for making them |
PCT/US2004/034666 WO2005052238A1 (en) | 2003-11-17 | 2004-10-20 | Nonwoven elastic fibrous webs and methods for making them |
Publications (3)
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JP2007511675A true JP2007511675A (ja) | 2007-05-10 |
JP2007511675A5 JP2007511675A5 (ja) | 2007-12-06 |
JP4851336B2 JP4851336B2 (ja) | 2012-01-11 |
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JP2006539526A Expired - Fee Related JP4851336B2 (ja) | 2003-11-17 | 2004-10-20 | 不織弾性繊維ウェブおよびその製造方法 |
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US (3) | US20050106982A1 (ja) |
EP (1) | EP1694899B1 (ja) |
JP (1) | JP4851336B2 (ja) |
KR (1) | KR101184871B1 (ja) |
CN (1) | CN1882734B (ja) |
AT (1) | ATE509149T1 (ja) |
BR (1) | BRPI0416610A (ja) |
TW (1) | TWI347385B (ja) |
WO (1) | WO2005052238A1 (ja) |
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JP2020515725A (ja) * | 2017-02-10 | 2020-05-28 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 弾性繊維の製造方法、弾性繊維物品の製造方法、弾性繊維および弾性繊維物品 |
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Also Published As
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TWI347385B (en) | 2011-08-21 |
TW200536978A (en) | 2005-11-16 |
US20060266462A1 (en) | 2006-11-30 |
EP1694899B1 (en) | 2011-05-11 |
JP4851336B2 (ja) | 2012-01-11 |
BRPI0416610A (pt) | 2007-01-16 |
ATE509149T1 (de) | 2011-05-15 |
CN1882734B (zh) | 2011-10-12 |
CN1882734A (zh) | 2006-12-20 |
EP1694899A1 (en) | 2006-08-30 |
KR20070000413A (ko) | 2007-01-02 |
US20060270303A1 (en) | 2006-11-30 |
KR101184871B1 (ko) | 2012-09-20 |
WO2005052238A1 (en) | 2005-06-09 |
US20050106982A1 (en) | 2005-05-19 |
US7744807B2 (en) | 2010-06-29 |
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