JP5547488B2 - 高表面積繊維を有する改良された複合ろ材 - Google Patents
高表面積繊維を有する改良された複合ろ材 Download PDFInfo
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- JP5547488B2 JP5547488B2 JP2009536253A JP2009536253A JP5547488B2 JP 5547488 B2 JP5547488 B2 JP 5547488B2 JP 2009536253 A JP2009536253 A JP 2009536253A JP 2009536253 A JP2009536253 A JP 2009536253A JP 5547488 B2 JP5547488 B2 JP 5547488B2
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- fibers
- fiber
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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]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
-
- 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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- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
-
- 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]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
- Y10T442/611—Cross-sectional configuration of strand or fiber material is other than circular
-
- 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
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- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
-
- 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]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
- Y10T442/626—Microfiber is synthetic polymer
-
- 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
-
- 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
- Y10T442/668—Separate nonwoven fabric layers comprise chemically different strand or fiber material
-
- 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]
- Y10T442/68—Melt-blown nonwoven fabric
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Multicomponent Fibers (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Filtering Materials (AREA)
- Laminated Bodies (AREA)
- Woven Fabrics (AREA)
Description
本願は、2006年11月3日出願の米国特許出願第11/592,370号の一部継続出願である。前記出願特許は引用によって本明細書に明示的に援用する。
本発明のこれら及びその他の側面は、特許請求の範囲に記載された発明を裏付ける図面を検討しながら以下の好適な態様の説明を読むと、当業者には明らかになるであろう。
α=形状係数=P2/4πA
ここで、
L=長さ、K 9×105cm
ρ=密度、K 1.38g/cm3
デニール=線密度
P=周囲長
A=断面積
本発明の好適な態様の比表面積は、当該技術分野で公知の典型的な4DG繊維より約57〜60倍大きい。図8に示されているように、本発明の繊維の比表面積は、同じデニールを有する従来の丸繊維又は典型的な4DG繊維より著しく大きい。例えば、3デニールの丸繊維は1653cm2/gの比表面積を有する。3デニールの4DG繊維は4900cm2/gの比表面積を有する。これに対し、3デニールの本発明の繊維は約80,000cm2/gを超える比表面積を有する。本発明の一態様において、内部繊維の断面は約140,000cm2/g以上の比表面積を有する。本発明は、多数の突起及び多数の溝ないし流路という独特の形状のために大きい比表面積を達成している。本発明の好適な態様は約1.0〜約2.0の繊維デニールを有するが、4DG繊維は3未満のデニールのものを製造できないので上記の比較を選択した。
12 内部繊維
14 外鞘
16 中間領域
17 縦軸
18 突起
20 溝ないし流路
30 複合材
32 繊維層
34 翼状部のある繊維の層
36 第一の側
38 第二の側
40 メルトブローン繊維
42 第二の翼状部のある繊維の層
45 メルトブローン繊維層
50 第一のロール
52 メルトブローンウェブ製造部
54 第二のロール
56 熱接着ロール
58 熱接着ロール
70 装置
Claims (25)
- 複合材であって、
第一の側と第二の側を有する繊維層と;
前記繊維層の第一の側に隣接する翼状部のある繊維の層とを含み;
前記翼状部のある繊維の層は100,000cm2/g〜1,000,000cm2/gの表面積を有する翼状部のある繊維を含み、前記翼状部のある繊維は中間領域を含む断面を有し、前記中間領域は中間領域から中間領域の周囲に沿って延びる16〜32の突起を有し、前記突起は溝ないし流路を規定し、前記溝ないし流路が200ナノメーター〜300ナノメーターの溝ないし流路幅を有する、複合材。 - 溶解性の外鞘をさらに含み、前記溶解性外鞘は翼状部のある繊維を包囲している、請求項1に記載の複合材。
- 翼状部のある繊維の溶解性外鞘が、ポリラクチド(PLA)、コポリエステル、ポリビニルアルコール(PVA)又はエチレン−ビニルアルコールコポリマー(EVOH)を含む、請求項2に記載の複合材。
- 繊維層の第二の側に隣接するスクリム層をさらに含む、請求項1に記載の複合材。
- 繊維層がメルトブローン繊維層を含む、請求項1に記載の複合材。
- メルトブローン繊維層が、ポリオレフィン、ポリエステル、ポリアミド、エラストマー、熱可塑性ポリウレタンエラストマー、ポリエーテル、ポリエーテルエステル、ポリエーテルアミド(PBAX)、及びエラストマー系オレフィンからなる群から選ばれる複数のメルトブローン繊維を含む、請求項5に記載の複合材。
- 繊維層がポリオレフィンメルトブローンを含む、請求項1に記載の複合材。
- 繊維層が不織布材料を含む、請求項1に記載の複合材。
- 不織布材料がステープル繊維を含む、請求項8に記載の複合材。
- ステープル繊維が、セルロース繊維、ポリプロピレン繊維、ウール繊維、アクリル樹脂、モダクリル繊維、ポリエチレン繊維、及びマイクロ繊維からなる群から選ばれる、請求項9に記載の複合材。
- 不織布材料が湿式堆積法から製造される、請求項8に記載の複合材。
- 材料の化学コーティングを繊維層上にさらに含む、請求項1に記載の複合材。
- 繊維層が翼状部のある繊維の層に接着されている、請求項1に記載の複合材。
- 繊維層と翼状部のある繊維の層間の接着が、超音波接着、熱接着、化学接着、接着剤接着、ニードルパンチ及び水流絡合を含む群から選ばれる方法によって作り出される、請求項13に記載の複合材。
- 翼状部のある繊維が熱可塑性ポリマーである、請求項1に記載の複合材。
- 翼状部のある繊維の複数の溝ないし流路が均一間隔で配置されている、請求項1に記載の複合材。
- 翼状部のある繊維の複数の突起が翼状部のある形状の構造を定義している、請求項1に記載の複合材。
- 翼状部のある繊維の断面が、1マイクロメートル〜100マイクロメートルの断面長を有する、請求項1に記載の複合材。
- 翼状部のある繊維の断面が、1マイクロメートル〜100マイクロメートルの断面幅を有する、請求項1に記載の複合材。
- 翼状部のある繊維が1.0〜6.0のデニールを有する、請求項1に記載の複合材。
- 翼状部のある繊維が、少なくとも140,000cm2/gの比表面積を有する、請求項1に記載の複合材。
- 翼状部のある繊維の中間領域が縦軸を有する、請求項1に記載の複合材。
- 複合材であって、
第一の側と第二の側を有する第一の繊維層と;
前記第一の繊維層の第一の側に隣接する翼状部のある繊維の層とを含み;
前記翼状部のある繊維の層は翼状部のある繊維のウェブを含み、前記翼状部のある繊維は縦軸を含む断面を有する熱可塑性ポリマーを含み、前記縦軸は縦軸から縦軸の周囲に沿って延びる複数の突起を有し、前記突起の数は16〜32であり、前記複数の突起は複数の溝ないし流路を規定し、前記複数の溝ないし流路は200ナノメートル〜300ナノメートルの幅を有し;
前記翼状部のある繊維は、それぞれ1マイクロメートル〜100マイクロメートルの断面長と1マイクロメートル〜100マイクロメートルの断面幅を有し;そして
前記翼状部のある繊維は100,000cm2/g〜1,000,000cm2/gの表面積を有する複合材。 - 複合材を含むテキスタイル製品であって、
前記複合材は、第一の側と第二の側を有するメルトブローン層、前記メルトブローン繊維層の第一の側に隣接する翼状部のある繊維の層を含み、前記翼状部のある繊維の層は100,000cm2/g〜1,000,000cm2/gの表面積、少なくとも16かつ32以下の突起を有する翼状部のある繊維のウェブを含み、前記突起は溝ないし流路を規定し、200ナノメーター〜300ナノメーターの幅を有する、テキスタイル製品。 - 複合材が不織布のフィルターである、請求項24に記載のテキスタイル製品。
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Application Number | Priority Date | Filing Date | Title |
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US11/592,370 | 2006-11-03 | ||
US11/592,370 US8129019B2 (en) | 2006-11-03 | 2006-11-03 | High surface area fiber and textiles made from the same |
US11/811,845 US8410006B2 (en) | 2006-11-03 | 2007-06-12 | Composite filter media with high surface area fibers |
US11/811,845 | 2007-06-12 | ||
PCT/US2007/023159 WO2008057426A2 (en) | 2006-11-03 | 2007-11-02 | An improved composite filter media with high surface area fibers |
Publications (2)
Publication Number | Publication Date |
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JP2010509099A JP2010509099A (ja) | 2010-03-25 |
JP5547488B2 true JP5547488B2 (ja) | 2014-07-16 |
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JP2009536253A Expired - Fee Related JP5547488B2 (ja) | 2006-11-03 | 2007-11-02 | 高表面積繊維を有する改良された複合ろ材 |
JP2009536254A Pending JP2010509517A (ja) | 2006-11-03 | 2007-11-02 | 改良された高表面積繊維及びそれから製造されるテキスタイル |
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Application Number | Title | Priority Date | Filing Date |
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JP2009536254A Pending JP2010509517A (ja) | 2006-11-03 | 2007-11-02 | 改良された高表面積繊維及びそれから製造されるテキスタイル |
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EP (2) | EP2087153B1 (ja) |
JP (2) | JP5547488B2 (ja) |
KR (4) | KR101708103B1 (ja) |
CN (2) | CN101617071B (ja) |
CA (2) | CA2668453A1 (ja) |
WO (2) | WO2008057431A2 (ja) |
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EP2089563A4 (en) | 2010-12-01 |
KR101499057B1 (ko) | 2015-03-06 |
US20120148841A1 (en) | 2012-06-14 |
JP2010509099A (ja) | 2010-03-25 |
EP2089563A2 (en) | 2009-08-19 |
CN101617072B (zh) | 2012-07-11 |
EP2087153B1 (en) | 2014-01-29 |
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US20130216829A1 (en) | 2013-08-22 |
CN101617071A (zh) | 2009-12-30 |
US8410006B2 (en) | 2013-04-02 |
CA2668453A1 (en) | 2008-05-15 |
CA2672198C (en) | 2016-11-22 |
KR20090102745A (ko) | 2009-09-30 |
WO2008057431A2 (en) | 2008-05-15 |
EP2087153A2 (en) | 2009-08-12 |
CN101617071B (zh) | 2014-07-23 |
KR20090102743A (ko) | 2009-09-30 |
CA2672198A1 (en) | 2008-05-15 |
US8129019B2 (en) | 2012-03-06 |
WO2008057426A2 (en) | 2008-05-15 |
KR101708103B1 (ko) | 2017-02-17 |
JP2010509517A (ja) | 2010-03-25 |
KR101642993B1 (ko) | 2016-07-26 |
KR20140111715A (ko) | 2014-09-19 |
WO2008057431A3 (en) | 2008-07-03 |
EP2087153A4 (en) | 2010-12-01 |
WO2008057426A3 (en) | 2008-10-09 |
KR20140114462A (ko) | 2014-09-26 |
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