JP2006037334A - 多成分スパンボンド不織布、その製造方法およびその使用方法 - Google Patents
多成分スパンボンド不織布、その製造方法およびその使用方法 Download PDFInfo
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Abstract
異なる繊維物理学的な特性が統合された、特に厚みで見て繊度が勾配を有しているような多成分スパンボンド不織布を提供する。
【解決手段】
多成分スパンボンド不織布が、少なくとも2種のポリマーを含有する種々のフィラメントからなっているか、または前記ポリマーのうち1種のみをそれぞれ含有する単成分フィラメントと多成分フィラメントとの混合物からなっている。この多成分フィラメントは少なくとも2本の基本フィラメントからなっていて、その個々のフィラメントの繊度は異なっており、このフィラメント繊度の相違は、フィラメント中の基本フィラメント数が相違することによって達成されている。フィラメントは、同一の複数の紡糸ノズル開口を備えている紡糸装置により形成される。
【選択図】なし
Description
繊度がそれぞれ同一の面状形成物を製造した。
最終繊度:流体圧によるボンディングを行い、セグメントへ分割した後の繊度
分割前の引張り強度:延伸されたが分割されていない各フィラメントの引張り強度
伸度:延伸されたが分割されていない各フィラメントの伸び
表1の面状製品に関する項目について以下に説明する。
視覚的外観:評点(15=最良点)による評価
触感:評点(15=最良点)による評価
A:A面(一方の主平面)
B:B面(もう一方の主平面)
l:縦方向
q:横方向
WRK:坪量1g/m2あたりで標準化された引裂き強度[N]
HZK:坪量1g/m2あたりで標準化された破断時の最大引張り強度[N/5cm]
伸度:破断時の伸び((l+q)/2)
引張り応力(5%の特定値):5%の伸び((l+q)/2)での力
耐摩耗性:視覚評価による(内部、1=最良点)。
−未分割のフィラメントの引張り強度および伸度は通常の範囲内で変動し、分割後の繊度への依存は確認できない。
−分割度は、2つの範囲で、つまり0.2dtexより小さい範囲および大きい範囲に区分されると考えられる。
−坪量は100〜117g/m2で変動している。よって、関係する値については坪量1gあたりで標準化した。
−標準化された引裂き強度が繊度に直接的に依存していることが明らかである。繊度が増大すると引裂き強度は大きくなるということは定性的には予測されていたが、これを定量的に評価することができない。
−繊度が小さくなると標準化された最大引張り強度が低下する傾向も明らかとなった。このことは予測されていなかったことであり、それというのは、材料およびその特定の伸びでの引張り応力が同一であって、個々のフィラメント横断面積の合計から得られる全横断面積は、同じもしくは標準化された坪量で同一であるからである。
−繊度が小さくなるほど、流体圧によるボンディング/絡合も明らかに良好になる。これは耐摩耗性から明らかである。
−繊度が小さくなるほど耐摩耗性または耐ピリング性が増大する傾向は、着色後の表面粗さからも分かる(図1を参照)。
引裂き強度を高めるための、中央で直線的な等方性を有するように面上形成物を補強する。
皮膚または皮革中ではコラーゲン繊維束は、より深いところにある組織層から上に向かうほど細くなっている。少なくとも若い年齢では、機械的な抵抗力と皮膚の若々しい滑らかさとが同時に得られるように自然に保証されている。このような構成が、一方の面からもう一方の面へと面状形成物の厚みにわたって繊度勾配を設けるという試みによって模倣して得られることが望ましい。
Claims (11)
- 同一の複数の紡糸ノズル開口を有する少なくとも1つの紡糸装置により生成され、流体力学的に延伸され、面状に集積されかつボンディングされている、互いに境界面を形成する少なくとも2種類のポリマーからなる多成分スパンボンド不織布であって、
前記多成分スパンボンド不織布が、前記少なくとも2種類のポリマーを含有する種々異なる多成分フィラメントからなっているか、または該多成分フィラメントと前記ポリマーのうちの1種類のみをそれぞれ含有する単成分フィラメントとの混合物からなっており、当該多成分フィラメントが少なくとも2つの基本フィラメントからなっており、当該多成分フィラメントの個々の基本フィラメントの繊度が、当該多成分フィラメント中に含まれる基本フィラメントの数の相違により種々異なっている、多成分スパンボンド不織布。 - 前記多成分フィラメントが、0.05〜4.8dtexの範囲の繊度の2〜64本の基本フィラメントからなっている、請求項1に記載の多成分スパンボンド不織布。
- 前記単成分フィラメントおよび前記多成分フィラメントの出発繊度が、近似しかつ1.5〜5dtexの範囲にある、請求項1または2記載の多成分スパンボンド不織布。
- 使用される前記ポリマーが、前記多成分フィラメント中でも前記単成分フィラメントの混合物中でも同じ重量比で存在する、請求項1から3までのいずれか1項に記載の多成分スパンボンド不織布。
- 前記単成分フィラメント、および前記多成分フィラメントを分割して形成された基本フィラメントが、面状の前記多成分スパンボンド不織布のZ方向に沿って繊度の勾配を有している、請求項1から4までのいずれか1項に記載の多成分スパンボンド不織布。
- 使用される前記ポリマーが、不溶性の添加剤、例えば顔料、充填剤、光安定剤、ならびに可溶性の添加剤を含有する、請求項1から5までのいずれか1項に記載の多成分スパンボンド不織布。
- 前記多成分フィラメントおよび前記単成分フィラメントが、中実もしくは中空のフィラメントとして、または中実のフィラメントと中空のフィラメントとの混合物として形成されている、請求項1から6までのいずれか1項に記載の多成分スパンボンド不織布。
- 請求項1から7までのいずれか1項に記載の多成分スパンボンド不織布を製造する方法であって、少なくとも2つの紡糸位置に同一の複数の紡糸ノズル開口が備えられており、種々異なる基本フィラメント数の多成分フィラメント、または単成分フィラメントとの混合物を共通の紡糸装置および延伸装置で生成し、これらを集積してスパンボンド不織布とし、水流による処理によってボンディングさせ、基本フィラメントに分割する、多成分スパンボンド不織布の製造方法。
- 紡糸位置の並びを、集積用ベルトに対して、フィラメントの繊度勾配が多成分スパンボンド不織布の一方の主平面からもう一方の主平面に向かって得られるようにまたは多成分スパンボンド不織布のその厚みに関して中央から多成分スパンボンド不織布の両主平面に向かって得られるように選択する、請求項8に記載の方法。
- 紡糸位置の並びを、集積用ベルトに対して、交互に繰り返される繊度勾配が前記不織布の縦方向または横断面方向で得られるように選択する、請求項8に記載の方法。
- 繊維製品、人工皮革、研磨布または濾材を製造するための、請求項1から10までのいずれか1項に記載の多成分スパンボンド不織布の使用方法。
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DE200410036099 DE102004036099B4 (de) | 2004-07-24 | 2004-07-24 | Mehrkomponenten-Spinnvliesstoff, Verfahren zu seiner Herstellung sowie Verwendung der Mehrkomponenten-Spinnvliesstoffe |
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JP2006037334A true JP2006037334A (ja) | 2006-02-09 |
JP4593394B2 JP4593394B2 (ja) | 2010-12-08 |
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US (1) | US8021997B2 (ja) |
EP (1) | EP1619283B1 (ja) |
JP (1) | JP4593394B2 (ja) |
CN (1) | CN100570035C (ja) |
DE (2) | DE102004036099B4 (ja) |
ES (1) | ES2265143T3 (ja) |
TW (1) | TWI294931B (ja) |
Cited By (2)
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JP2017506954A (ja) * | 2014-02-21 | 2017-03-16 | カール・フロイデンベルク・カー・ゲー | クリーニングクロス |
JP2017507252A (ja) * | 2014-02-21 | 2017-03-16 | カール・フロイデンベルク・カー・ゲー | マイクロファイバー不織布複合物 |
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US8513147B2 (en) | 2003-06-19 | 2013-08-20 | Eastman Chemical Company | Nonwovens produced from multicomponent fibers |
US20040260034A1 (en) * | 2003-06-19 | 2004-12-23 | Haile William Alston | Water-dispersible fibers and fibrous articles |
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Also Published As
Publication number | Publication date |
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EP1619283A1 (de) | 2006-01-25 |
DE102004036099A1 (de) | 2006-03-16 |
TWI294931B (en) | 2008-03-21 |
JP4593394B2 (ja) | 2010-12-08 |
CN100570035C (zh) | 2009-12-16 |
US20060019570A1 (en) | 2006-01-26 |
DE102004036099B4 (de) | 2008-03-27 |
DE502005000038D1 (de) | 2006-08-24 |
EP1619283B1 (de) | 2006-07-12 |
TW200604402A (en) | 2006-02-01 |
ES2265143T3 (es) | 2007-02-01 |
US8021997B2 (en) | 2011-09-20 |
CN1737236A (zh) | 2006-02-22 |
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