JP5519717B2 - 高強度および高伸長率のワイパー - Google Patents
高強度および高伸長率のワイパー Download PDFInfo
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- JP5519717B2 JP5519717B2 JP2012054262A JP2012054262A JP5519717B2 JP 5519717 B2 JP5519717 B2 JP 5519717B2 JP 2012054262 A JP2012054262 A JP 2012054262A JP 2012054262 A JP2012054262 A JP 2012054262A JP 5519717 B2 JP5519717 B2 JP 5519717B2
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Classifications
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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
- 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]
- Y10T442/659—Including an additional nonwoven fabric
- Y10T442/671—Multiple nonwoven fabric layers composed of the same polymeric strand or fiber material
Description
本出願は、35 U.S.C.§119に従い、参照により本明細書に組み込まれている、2005年1月6日に出願した出願第60/642,048号、2005年4月8日に出願した出願第60/669,830号、および2005年12月2日に出願した出願第60/741,583号に基づく優先権を主張するものである。
(A)セルロース系繊維、合成繊維、およびセルロース系繊維と合成繊維の混合物からなる群から選択されたマトリクス繊維約45から約95重量パーセント、
(B)長さが約3mmから約36mmまでの二成分繊維約5から約55重量パーセント、
(C)任意に、結合剤約0から約15重量パーセントを含み、
重量パーセントは、材料の全重量に基づき、また材料は、
(D)約40gsmから約100gsmまでの坪量、
(E)約0.03から約0.15g/ccの密度、および
(F)約147g/cm以上のCDW引張強さを有する。
(A)セルロース系繊維、合成繊維、およびセルロース系繊維と合成繊維の混合物からなる群から選択されたマトリクス繊維約45から約95重量パーセント、
(B)長さが約3mmから約36mmまでの二成分繊維約5から約55重量パーセント、
(C)任意に、結合剤0から約15重量パーセントを含み、
重量パーセントは、材料の全重量に基づき、また材料は、
(D)約40gsmから約100gsmまでの坪量、
(E)約0.03から約0.15g/ccの密度、および
(F)約252g/cm以上のCDW引張強さを有し、
材料は、二成分繊維約60重量パーセントから約100重量パーセントからなる少なくとも1つの層を有する。
(A)セルロース系繊維、合成繊維、およびセルロース系繊維と合成繊維の混合物からなる群から選択されたマトリクス繊維約0から約10重量パーセント、
(B)部分的に延伸されたコアを有する二成分繊維約90から約100重量パーセント、
(C)任意に、結合剤0から約15重量パーセントを含み、
重量パーセントは、材料の全重量に基づき、また材料は、
(D)約40gsmから約100gsmまでの坪量、
(E)約0.03から約0.15g/ccの密度、
(F)約1,200g/cm以上のCDW引張強さ、および
(G)約50%から約60%のCDW伸長率を有する。
(A)マトリクス繊維の約0から約40重量パーセント、
(B)長さが約3mmから約36mmまでの範囲である二成分繊維約60から約100重量パーセント、および
(C)任意に、エマルジョンポリマー結合剤の最大約8重量パーセントまでを含み、
不織布材料は、
(D)約40gsmから約100gsmまでの坪量、および
(E)約0.03g/ccから約0.15g/ccの密度、
(F)および約1,200g/cmから約2,000g/cm以上までのCDW引張強さ、および
(G)約50%から約60%までの範囲の材料のCDW伸長率を有する。
本明細書で使用されているように、「不織布」は、限定はしないが、織物またはプラスチックを含む、材料のクラスを指す。「ワイパー」は、したがって、不織布のサブクラスである。
本発明のマトリクス繊維は、天然繊維、合成繊維、またはこれらの混合物とすることができる。一実施形態では、繊維は、複数のセルロース系繊維、1つまたは複数の合成繊維、またはこれらの混合物とすることができる。木材パルプ由来の繊維など、天然起源のセルロース繊維を含む、当業で知られているセルロース繊維は、セルロース層において使用することができる。好ましいセルロース繊維は、限定はしないが、針葉樹、広葉樹、またはコットンリンターから得られる、クラフト処理繊維、前加水分解クラフト処理繊維、ソーダ処理繊維、亜硫酸塩処理繊維、化学熱機械処理繊維、および熱機械処理繊維などの、消化繊維を含む。より好ましいセルロース繊維は、限定はしないが、前加水分解クラフト消化繊維を含む、クラフト消化繊維を含む。本発明の使用に適しているのは、マツ、モミ、およびトウヒなどの針葉樹に由来するセルロース繊維である。他の好適なセルロース繊維は、エスパルト、バガス、ケンプ、亜麻、麻、ケナフ、および他の木質およびセルロース系繊維源に由来する繊維を含む。好適なセルロース繊維は、限定はしないが、FOLEY FLUFFS(登録商標)(Buckeye Technologies Inc.社、テネシー州メンフィス)という商標で販売されている漂白クラフトサザンパイン繊維を含む。
本発明を実施するうえで有用なさまざまな材料、構造、および製造プロセスは、参照によりその全体が本明細書に組み込まれている、米国特許第6,241,713号、米国特許第6,353,148号、米国特許第6,353,148号、米国特許第6,171,441号、米国特許第6,159,335号、米国特許第5,695,486号、米国特許第6,344,109号、米国特許第5,068,079号、米国特許第5,269,049号、米国特許第5,693,162号、米国特許第5,922,163号、米国特許第6,007,653号、米国特許第6,420,626号、米国特許第6,355,079号、米国特許第6,403,857号、米国特許第6,479,415号、米国特許第6,495,734号、米国特許第6,562,742号、米国特許第6,562,743号、米国特許第6,559,081号、2001年1月17日に出願された米国特許出願第09/719,338号、2001年1月30日に出願された米国特許出願第09/774,248号、2001年5月11日に出願された米国特許出願第09/854,179号において開示されている。
本発明は、制限するのではなく本発明の例示として与えられている、以下の実施例を参照することによりよく理解することができる。
層構造に対するパイロット管路からの均質な対照サンプル
本発明の実施例では、原料を組み合わせてパイロットサンプルを形成した。対照材料は、二成分繊維と離解されたフラッフパルプの均質なブレンドを単一層中に含んでいた。デニールが2.0dpfで、繊維長が6mmであるTrevira 1661二成分繊維(ドイツ、ボビンゲン)が使用された。二成分繊維は、ポリエステルでできているコアとポリエチレンでできているシースを有する。
パイロット管路からの層二成分サンプル
本発明の実施例では、原料を組み合わせてパイロットサンプルを形成した。
長二成分繊維構造に対するパイロット管路からのサンプルと対照サンプル
本発明の実施例では、原料を組み合わせてパイロットサンプルを形成した。
層構造および長繊維構造に対する商業ラインからのサンプル
本発明の実施例では、原料を組み合わせて商業サンプルを形成した。
層構造および長繊維構造に対する商業ラインからのサンプル
本発明の実施例では、原料を組み合わせて商業ドラム形成ライン上でサンプルを形成した。
部分的に延伸されたコアの二成分繊維構造および層構造のパイロット管路からのサンプル
本発明の実施例では、原料を組み合わせてパイロットサンプルを形成した。
伸長率が高く、剛性が低い構造について結合剤を使用するパイロット管路からのサンプル
本発明の実施例では、原料を組み合わせてパイロットサンプルを形成した。
部分的に延伸されたコアの二成分繊維構造のパイロット管路からのサンプル
本発明の実施例では、原料を組み合わせてパイロットサンプルを形成した。
M×C×60gsm/BW=N
ただし、「M」は、g/cmを測定単位とする横方向湿潤(CDW)引張強さであり、
「C」は、mmを測定単位とする厚さであり、
「BW」は、gsmを測定単位とする坪量であり、
「N」は、g/cmを測定単位とする正規化された横方向湿潤(CDW)引張強さである。
表54は、実施例1〜7で得られるデータの全体的まとめとなっている。表54の1列目の「#」は、本出願における実施例の番号を意味する。表54の2列目の「Smp」は、実施例内のサンプル番号を意味する。3列目の「Lyrs」は、サンプル内の層の数を意味する。3列目において、1+Ltxは、1つの層とラテックスの追加を意味する。3列目において、5+Ltxは、5つの層とラテックスの追加を意味する。
2 テストサンプル
3 角度曲がり剛性測定装置
4 前縁
5 平面
Claims (31)
- 高強度不織布ワイパー材料であって、
(A)セルロース系繊維、合成繊維、およびセルロース系繊維と合成繊維の混合物からなる群から選択されたマトリクス繊維45から95重量パーセントと、
(B)長さが3mmから36mmまでの二成分繊維5から55重量パーセントと、
(C)結合剤0から15重量パーセントとを含み、
前記重量パーセントは、前記材料の全重量に基づき、また前記材料は、
(D)40gsmから100gsmまでの坪量と、
(E)0.03から0.15g/ccの密度と、
(F)90g/cm以上のCDW引張強さと、
(G)15%から100%までのCDW伸長率と、を有し、
前記材料は二つ以上の層を含み、
前記材料は、2つの外側層と1つまたは複数の内側層を有し、前記内側層の二成分繊維の重量パーセントは、前記外側層内の二成分繊維の重量パーセントよりも大きい高強度不織布ワイパー材料。 - 前記二成分繊維は、6mm以上の長さを有する請求項1に記載の材料。
- 前記二成分繊維は、8mm以上の長さを有する請求項2に記載の材料。
- 前記二成分繊維は、10mm以上の長さを有する請求項3に記載の材料。
- 前記二成分繊維は、12mm以上の長さを有する請求項4に記載の材料。
- 前記材料は、100g/cm以上のCDW引張強さを有する請求項1に記載の材料。
- 前記材料は、147g/cm以上のCDW引張強さを有する請求項6に記載の材料。
- 前記材料はエアーレイドプロセスにより生産されている、請求項1に記載の材料。
- 前記二成分繊維は、部分的に延伸されたコアを有する請求項1に記載の材料。
- 前記材料は、二成分繊維60重量パーセントから100重量パーセント有する少なくとも1つの層を有し、層はどの1つをとっても、少なくとも隣接する1つの層と、組成が異なる、請求項1に記載の高強度多層不織布ワイパー材料。
- 前記材料は、2つの外側層と1つまたは複数の内側層を有し、前記内側層は二成分繊維とマトリクス繊維とを含む請求項1に記載の材料。
- 前記材料は、二成分繊維5重量パーセントから55重量パーセント有する少なくとも1つの層を有し、層はどの1つをとっても、少なくとも隣接する1つの層と、組成が異なる、請求項1に記載の高強度多層不織布ワイパー材料。
- 高強度多層不織布ワイパー材料であって、
(A)セルロース系繊維、合成繊維、およびセルロース系繊維と合成繊維の混合物からなる群から選択されたマトリクス繊維45から95重量パーセントと、
(B)長さが3mmから36mmまでの二成分繊維5から55重量パーセントと、
(C)結合剤0から15重量パーセントとを含み、
重量パーセントは、前記材料の全重量に基づき、また前記材料は、
(D)40gsmから100gsmまでの坪量と、
(E)0.03から0.15g/ccの密度と、
(F)252g/cm以上のCDW引張強さとを有し、
前記材料は、二成分繊維60重量パーセントから100重量パーセント有する少なくとも1つの層を有し、
前記材料は、2つの外側層と1つまたは複数の内側層を有し、前記内側層の二成分繊維の重量パーセントは、前記外側層内の二成分繊維の重量パーセントよりも大きい、高強度多層不織布ワイパー材料。 - さらに、2つ以上の異なる層を有し、層はどの1つをとっても、少なくとも隣接する1つの層と、組成が異なる請求項1から13のいずれか一項に記載の材料。
- 前記材料は、2つの外側層と1つまたは複数の内側層を有し、前記内側層のマトリクス繊維は、二成分繊維を含む請求項1から14のいずれか一項に記載の材料。
- 前記材料は、2つの外側層と1つまたは複数の内側層を有し、前記内側層の二成分繊維の重量パーセントは、前記外側層内の二成分繊維の重量パーセントよりも大きい請求項1から15のいずれか一項に記載の材料。
- 前記材料は、2つの外側層および1つまたは複数の内側層を有し、1つの内側層の二成分繊維の重量パーセントは、前記1つの内側層の総重量に基づき二成分繊維70重量パーセントから100重量パーセントである請求項1から16のいずれか一項に記載の材料。
- 前記材料は、2つの外側層および1つまたは複数の内側層を有し、1つの内側層の二成分繊維の重量パーセントは、前記1つの内側層の総重量に基づき二成分繊維70重量パーセントから95重量パーセントである請求項1から17のいずれか一項に記載の材料。
- 前記材料は、2つの外側層および1つまたは複数の内側層を有し、1つの内側層の二成分繊維の重量パーセントは、前記1つの内側層の総重量に基づき二成分繊維75重量パーセントから95重量パーセントである請求項1から18のいずれか一項に記載の材料。
- 前記材料は、2つの外側層および1つまたは複数の内側層を有し、1つの内側層の二成分繊維の重量パーセントは、前記1つの内側層の総重量に基づき二成分繊維80重量パーセントから90重量パーセントである請求項1から19のいずれか一項に記載の材料。
- 前記材料は、2つの外側層および1つまたは複数の内側層を有し、1つの内側層の二成分繊維の重量パーセントは、前記1つの内側層の総重量に基づき二成分繊維90重量パーセントから100重量パーセントである請求項1から20のいずれか一項に記載の材料。
- 前記材料は、2つの外側層および1つまたは複数の内側層を有し、1つの外側層の二成分繊維の重量パーセントは、前記外側層の総重量に基づき二成分繊維70重量パーセントから100重量パーセントである請求項1から21のいずれか一項に記載の材料。
- 前記二成分繊維は、6mm以上の長さを有する請求項1から22のいずれか一項に記載の材料。
- 前記二成分繊維は、8mm以上の長さを有する請求項1から23のいずれか一項に記載の材料。
- 前記二成分繊維は、10mm以上の長さを有する請求項1から24のいずれか一項に記載の材料。
- 前記二成分繊維は、12mm以上の長さを有する請求項1から25のいずれか一項に記載の材料。
- 前記不織布材料のCDW引張強さは、394g/cm以上である請求項1から26のいずれか一項に記載の材料。
- 前記不織布材料のCDW引張強さは、591g/cm以上である請求項1から27のいずれか一項に記載の材料。
- 前記不織布材料のCDW引張強さは、787g/cm以上である請求項1から28のいずれか一項に記載の材料。
- 前記材料は、エアーレイドプロセスにより生産されている請求項1から29のいずれか一項に記載の材料。
- 前記二成分繊維は、部分的に延伸されたコアを有する請求項1から30のいずれか一項に記載の材料。
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US64204805P | 2005-01-06 | 2005-01-06 | |
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US66983005P | 2005-04-08 | 2005-04-08 | |
US60/669,830 | 2005-04-08 | ||
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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 |
US7892993B2 (en) | 2003-06-19 | 2011-02-22 | Eastman Chemical Company | Water-dispersible and multicomponent fibers from sulfopolyesters |
US7465684B2 (en) * | 2005-01-06 | 2008-12-16 | Buckeye Technologies Inc. | High strength and high elongation wipe |
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CN102041640B (zh) | 2013-07-10 |
WO2006073710A2 (en) | 2006-07-13 |
JP5020827B2 (ja) | 2012-09-05 |
CA2530322A1 (en) | 2006-07-06 |
EP1836336A2 (en) | 2007-09-26 |
CA2530322C (en) | 2013-04-02 |
US7919419B2 (en) | 2011-04-05 |
US8501647B2 (en) | 2013-08-06 |
MX2007008253A (es) | 2007-09-14 |
US20060154547A1 (en) | 2006-07-13 |
US20110159265A1 (en) | 2011-06-30 |
US20090092809A1 (en) | 2009-04-09 |
CA2777605A1 (en) | 2006-07-06 |
CN101133199A (zh) | 2008-02-27 |
JP2012148090A (ja) | 2012-08-09 |
EP1836336B1 (en) | 2019-05-15 |
US7465684B2 (en) | 2008-12-16 |
CN102041640A (zh) | 2011-05-04 |
JP2008527190A (ja) | 2008-07-24 |
WO2006073710A3 (en) | 2006-12-21 |
CA2777605C (en) | 2013-10-01 |
CN101133199B (zh) | 2010-09-22 |
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