JP5179384B2 - 伸張性吸収性複合材 - Google Patents
伸張性吸収性複合材 Download PDFInfo
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- JP5179384B2 JP5179384B2 JP2008556513A JP2008556513A JP5179384B2 JP 5179384 B2 JP5179384 B2 JP 5179384B2 JP 2008556513 A JP2008556513 A JP 2008556513A JP 2008556513 A JP2008556513 A JP 2008556513A JP 5179384 B2 JP5179384 B2 JP 5179384B2
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- extensible
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- fibers
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- 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]
- Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]
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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]
- Y10T442/697—Containing at least two chemically different strand or fiber materials
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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]
- Y10T442/697—Containing at least two chemically different strand or fiber materials
- Y10T442/698—Containing polymeric and natural strand or fiber materials
Description
伸長%=(√(A2+B2)−A)/A×100
により最も良好に近似できる。
5つのコフォームサンプルのドレープ適性を評価した。全てのサンプルをTMIにより製造されたFRL Cantilever Bending Testerで試験した(参考:ASTM D 1388−96)。幅2.5cm、長さ20cmのサンプル(長さ方向は流れ方向である)を平滑表面上、重い金属重りの下に置く。重りを平滑表面の上面上に機械的に移動させ、織物をそれとともに移動させる。重りおよびその下の織物は平滑表面の端部を超えて広がる。織物サンプルをゆっくりと曲げ、45°曲がった地点で、平滑表面の端部上の重りの延長を記録する。硬い織物は、45°曲がるまでにより大きな距離を動かすことが必要である。各サンプルについての重りの移動距離を表Vに記載する。ドレープ適性の改善における漸進的延伸の利点は明らかである。
表IVは、最もドレープ適性が高いコフォーム織物が比較的低い引っ張り強度を有することを明らかにする。これらの織物は熱可塑性繊維を含有するので、これらを他の不織布に対して熱により積層して、その強度を増大させることが可能である。これらの不織布が伸張性であるならば、得られたラミネートを機械的に延伸して、その柔軟性を増大させることができる。この可能性は、表Vにおいて示される実施例の組により証明される。サンプルFからLに関して、コフォームウェブを、4%接着面積ロールを用いて10m/分の速度でスパンボンドウェブと熱点接着させた。これらのサンプルにおいて使用されるSofspan(登録商標)スパンボンド織物は、US5,593,768に従って調製された。メルトブローンPPを有する織物は128℃の温度で接着させた。メルトブローンPEを有する織物は115℃の温度で接着させた。
スパンボンドウェブを有するコフォームのトリラミネートは、特に耐久性の分野において性能の利点を有する。表VIIIにおいて記載されるコフォームウェブを調製した。サンプルPおよびQをユニラミネートコフォーム織物として評価した。サンプルR、SおよびTをさらに低い基本重量で調製し、伸張性スパンボンド織物を有するラミネート中に配合されるように設計した。
コフォームウェブサンプルR、SおよびTを用いて、次の3層ラミネートを点接着カレンダーにおいて127℃の温度、10メートル/分の速度で調製する。表IXにおいて記載されたラミネートは、PPホモポリマーもしくは高伸長(Sofspan(登録商標))スパンボンド織物(US5,593,768に記載)のいずれかから調製されたスパンボンド織物を用いて調製された。
表Iおよび表IIに記載される接着されたサンプルを漸進的延伸装置に流れ方向で通して150%の伸長率まで延長させる。この操作の結果、織物が幅方向に延伸される。サンプルを次に90°回転させ、漸進的延伸装置に通す。この操作の結果、織物が流れ方向に延伸される。スパンボンドおよびメルトブローン成分の両方においてPPホモポリマーを使用して調製されたサンプルは漸進的延伸の間に切れ、従って本発明の基準を満たさなかった。
熱点接着されたサンプルおよび漸進的に延伸されたサンプルの全てをTMIにより製造されたFRL Cantilever Bending Testerで試験した(参考:ASTM D 1388−96)。幅2.5cm、長さ20cmのサンプル(長さ方向は流れ方向である)を平滑表面上、重い金属重りの下に置く。重りを平滑表面の上面上に機械的に移動させ、織物をそれとともに移動させる。重りおよびその下の織物は平滑表面の端部を超えて広がる。織物サンプルをゆっくりと曲げ、45°曲がった地点で、平滑表面の端部上の重りの延長を記録する。硬い織物は、45°曲がるまでにより大きな距離を動かすことが必要である。各サンプルについての重りの移動距離を表Vに記載する。伸張性成分を使用する利点は、サンプルQが、PPホモポリマーを用いて調製されたサンプルPよりも良好なドレープを有する点で明らかである。同様に、伸張性成分から調製されたラミネート1および2は、伸張性でないコフォーム成分を用いて調製されたラミネート3および4よりも良好なドレープを有する。伸張性成分から調製された全てのサンプルにおいて、ドレープは漸進的延伸工程によりさらに改善される。
CS−190ゴム摩耗ホイールを備えたテーバー摩耗試験機でサンプルを摩耗耐久性について試験した。直径12cmのサンプルを回転させ、2つの摩耗ホイールはその表面上で回転する。サンプルに穴があくまでの回転数を記録する。結果を表XIIに記載する。複合材料中にスパンボンドフィラメントを組み込む利点は明らかである。しかしながら、複合材料を漸進的に延伸させると、摩耗耐性が幾分減少する。
Claims (35)
- 吸収性繊維および伸張性非弾性メルトブローン繊維のコフォーム化ブレンドから形成された第一層(12)と、伸張性非弾性熱可塑性繊維の第二層(14)とを含む伸張性複合シート材料(10、10’、10”)であって、該第一層の伸張性非弾性メルトブローン繊維と、該第二層の伸張性非弾性熱可塑性繊維とが引張応力の適用により恒久的に伸長されている、伸張性複合シート材料。
- 前記伸張性非弾性熱可塑性繊維の第二層(14)が不織ウェブを含む、請求項1記載の伸張性複合シート材料。
- 前記不織ウェブが連続フィラメントからなるスパンボンドウェブである、請求項2記載の伸張性複合シート材料。
- 前記不織ウェブが短繊維の梳毛ウェブである、請求項2記載の伸張性複合シート材料。
- 前記不織ウェブがメルトブローン繊維のメルトブローンウェブである、請求項2記載の伸張性複合シート材料。
- 前記第一層の前記メルトブローン繊維がポリエチレンを含む、請求項1記載の複合シート材料。
- 前記第一層の前記メルトブローン繊維が、ポリプロピレンホモポリマーとポリプロピレンコポリマーとのブレンドを含む、請求項1記載の複合シート材料。
- 前記第二層(14)の前記伸張性非弾性熱可塑性繊維がプロピレンポリマーもしくはコポリマーから調製される、請求項1から7のいずれか一項に記載の伸張性複合シート材料。
- 前記第二層(14)の伸張性非弾性熱可塑性繊維がポリエチレン連続フィラメントを含む、請求項1から7のいずれか一項に記載の伸張性複合シート材料。
- 前記第二層(14)の前記伸張性非弾性熱可塑性繊維が、互いに非混和性である少なくとも2つのポリマーのブレンドと、前記非混和性ポリマーと混和性であるかもしくは部分的に混和性である少なくとも1つの追加のポリマーとを含む、請求項1から7のいずれか一項に記載の伸張性複合シート材料。
- 非混和性ポリマーの前記ブレンドが、プロピレンポリマーおよびポリエチレンを含む、請求項10記載の伸張性複合シート材料。
- 前記第二層(14)の前記伸張性非弾性熱可塑性繊維が複数成分フィラメントを含む、請求項1から7のいずれか一項に記載の伸張性複合シート材料。
- 前記第二層(14)の前記伸張性非弾性熱可塑性繊維がポリエチレンシース成分とポリプロピレンコア成分とを包含するシース・コア二成分フィラメントを含む、請求項1から7のいずれか一項に記載の伸張性複合シート材料。
- 機能的微粒子が吸収性繊維とメルトブローン繊維との前記ブレンド中に配合されている、請求項1〜13のいずれか一項に記載の伸張性複合シート材料。
- 連続伸張性フィラメントの追加の層(14)が前記コフォーム層(12)の反対側と、表面対表面で密着して接着され、連続伸張性フィラメントの前記の追加の層が複合シート材料(10”)の反対の外面を規定する、請求項1〜14のいずれか一項に記載の伸張性複合シート材料(10”)。
- 吸収性繊維と伸張性非弾性メルトブローン繊維とのコフォーム化ブレンドから形成される追加の層(12)が、伸張性非弾性熱可塑性繊維の前記層(14)の反対面と表面対表面で密着して、前記の追加の層が複合シート材料(10’)の反対の外面を規定する、請求項1から14のいずれか一項に記載の伸張性複合シート材料(10’)。
- 前記伸長性繊維を恒久的に伸長するためにリング圧延機により延伸されている、請求項1から16のいずれか一項に記載の伸張性複合シート材料。
- 前記伸長性繊維を恒久的に伸長するために、ディープエンボス加工により延伸されている、請求項1から16のいずれか一項に記載の伸張性複合シート材料。
- 伸張性複合シート材料(10、10’、10”)の製造方法であって、
吸収性繊維と伸張性非弾性メルトブローン繊維とを含有する伸張性コフォーム層(12)を形成するステップと、
該コフォーム層(12)の一面に、伸張性非弾性熱可塑性繊維の層(14)を適用するステップと、
該コフォーム層が複合シート材料(10、10’、10”)の吸着外面(16)を規定するように該コフォーム層(12)を該伸張性非弾性熱可塑性繊維の層(14)と表面対表面で密接に接着するステップと、
前記複合シート材料を延伸して、前記繊維を変形させ、恒久的に伸長させるステップと
を含む方法。 - 吸収性繊維と伸張性非弾性メルトブローン繊維とを含有する追加の伸張性コフォーム層を形成するステップと、
該追加のコフォーム層が複合シート材料(10’)の反対の外面を規定するように、該追加のコフォーム層を伸張性非弾性熱可塑性繊維の前記層の反対側と表面対表面で密着して接着するステップと
をさらに含む、請求項19記載の方法。 - 伸張性非弾性熱可塑性繊維の追加の層を形成するステップと、
該追加の層が複合シート材料(10”)の反対の外面を規定するように、追加の層を前記コフォーム層(12)と表面対表面で密着して接着するステップと
をさらに含む、請求項19記載の方法。 - 前記コフォーム層(12)の一面に伸張性非弾性熱可塑性繊維の層(14)を適用するステップが、該伸張性非弾性熱可塑性繊維の不織ウェブを形成するステップと、該コフォーム層(12)の一面に該不織ウェブを適用するステップとを含む、請求項19から21のいずれか一項に記載の方法。
- 前記伸長させるステップが、前記複合シート材料を漸進的に延伸するステップをさらに含む、請求項19から22のいずれか一項に記載の方法。
- 前記漸進的に延伸するステップがリング圧延を含む、請求項23記載の方法。
- 前記漸進的に延伸するステップがディープエンボス加工を含む、請求項23記載の方法。
- 前記伸張性コフォーム層(12)を形成するステップが、収集面(114)を、第一コフォームステーション(110)を通過させるステップと、繊維に分解された吸収性繊維を、メルトブローイングダイを出る新たに押し出された伸張性ポリマー熱可塑性繊維の経路中に合流させるステップと、該吸収性繊維と伸張性非弾性熱可塑性繊維とを移動する収集面(114)上に堆積させて、前記コフォーム層を形成するステップとを含み、前記コフォーム層の一面に伸張性繊維の不織層を施用するステップが、このようにして形成されたコフォーム層を、スパンボンドステーション(120)を通過させるステップと、新たに押し出された連続伸張性フィラメントの層をコフォーム層上に堆積させるステップとを含む、請求項19から25のいずれか一項に記載の方法。
- 第一コフォーム層およびスパンボンドステーション(120)からの連続伸張性フィラメントの層を有する移動収集面(114)を、第二コフォームステーション(130)を通過させるステップと、繊維に分解された吸収性繊維を、メルトブローイングダイを出る新たに押し出された伸張性ポリマー熱可塑性繊維の経路中に合流させるステップとにより、第二コフォーム層を連続伸張性フィラメントの層上に形成する、さらなるステップを含み、前記接着するステップが、第一コフォーム層と第二コフォーム層と連続伸張性フィラメントの層とを一緒に接着して、複合シート材料を形成するステップを含む、請求項26記載の方法。
- 収集面(114)を、第一スパンボンドステーションを通過させるステップと、新たに押し出された連続伸張性フィラメントのウェブを該収集面上に堆積させるステップとを含み、前記コフォーム層の一面に伸張性繊維の不織層を適用するステップが、前記通過する収集面であって、その上に連続伸張性フィラメントのウェブを有する収集面をコフォームステーションの下方に向けるステップと、繊維に分解された吸収性繊維を、メルトブローイングダイを出る新たに押し出された伸張性ポリマー熱可塑性繊維に合流させ、該吸収性繊維および伸張性非弾性熱可塑性繊維を、該収集面上を移動する連続伸張性フィラメントの該ウェブ上に堆積させて、前記コフォーム層を形成するステップとを含む、請求項19から25のいずれか一項に記載の方法。
- 前記連続フィラメントのウェブおよび前記のように形成されたコフォーム層をその上に有する、前記移動する収集面を、第二スパンボンドステーションの下方に向けるステップと、連続伸張性フィラメントの第二ウェブをコフォーム層上に堆積させるさらなるステップとを含む、請求項28記載の方法。
- 吸収性繊維と伸張性非弾性メルトブローン繊維とのコフォーム化ブレンドから形成される第一層(12)と、連続フィラメントの伸張性非弾性スパンボンド不織ウェブを含む第二層(14)とを含む伸張性複合シート材料(10、10’、10”)であって、該連続フィラメントが、互いに非混和性である少なくとも2つのポリマーのブレンドと、該非混和性ポリマーと混和性であるかもしくは部分的に混和性である少なくとも1つの追加のポリマーとを含む伸張性複合シート材料。
- 前記非混和性ポリマーのブレンドがプロピレンポリマーおよびポリエチレンを含む、請求項30記載の伸張性複合シート材料。
- 吸収性繊維と伸張性非弾性メルトブローン繊維とのコフォーム化ブレンドから形成される第一層(12)と、連続フィラメントの伸張性非弾性スパンボンド不織ウェブを含む第二層(14)とを含む伸張性複合シート材料(10、10’、10”)であって、該連続フィラメントがポリエチレンシース成分とポリプロピレンコア成分とを包含するシース・コア二成分フィラメントを含む伸張性複合シート材料。
- 前記シート材料が、破断することなくもとの長さの150%を超えて伸長されうる、請求項30から32のいずれか一項に記載の伸張性複合シート材料。
- 連続伸張性フィラメントの追加の層(14)が前記コフォーム層(12)の反対面と表面対表面で密着し、接着されて、連続伸張性フィラメントの追加の層が複合シート材料(10”)の反対の外面を規定する、請求項30から33のいずれか一項に記載の伸張性複合シート材料(10”)。
- 吸収性繊維および伸張性非弾性メルトブローンのコフォーム化ブレンドから形成される追加の層(12)が伸張性非弾性熱可塑性繊維の前記層(14)の反対面と表面対表面で密着して、前記追加の層が前記複合シート材料(10’)の反対の外面を規定する、請求項30から33のいずれか一項に記載の伸張性複合シート材料(10’)。
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KR (1) | KR101222098B1 (ja) |
CN (1) | CN101395315B (ja) |
CA (1) | CA2640722C (ja) |
MX (1) | MX2008010742A (ja) |
WO (1) | WO2007098449A1 (ja) |
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2007
- 2007-02-20 WO PCT/US2007/062441 patent/WO2007098449A1/en active Application Filing
- 2007-02-20 MX MX2008010742A patent/MX2008010742A/es active IP Right Grant
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- 2007-02-20 EP EP07757227.9A patent/EP1991729B2/en active Active
- 2007-02-20 KR KR1020087021570A patent/KR101222098B1/ko not_active IP Right Cessation
- 2007-02-20 CA CA 2640722 patent/CA2640722C/en not_active Expired - Fee Related
- 2007-02-20 CN CN2007800073087A patent/CN101395315B/zh active Active
Cited By (2)
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US8444777B2 (en) | 2007-02-28 | 2013-05-21 | Kobe Steel, Ltd. | High-strength and high-ductility Al alloy and process for production of the same |
CN112159916B (zh) * | 2020-08-27 | 2021-09-03 | 比亚迪股份有限公司 | 一种铝合金及其应用 |
Also Published As
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KR20080090570A (ko) | 2008-10-08 |
CA2640722A1 (en) | 2007-08-30 |
EP1991729B1 (en) | 2012-07-25 |
WO2007098449A1 (en) | 2007-08-30 |
CN101395315B (zh) | 2012-07-18 |
US8685870B2 (en) | 2014-04-01 |
US20070197117A1 (en) | 2007-08-23 |
EP1991729B2 (en) | 2015-09-16 |
EP1991729A1 (en) | 2008-11-19 |
KR101222098B1 (ko) | 2013-01-16 |
CA2640722C (en) | 2011-12-06 |
JP2009527660A (ja) | 2009-07-30 |
CN101395315A (zh) | 2009-03-25 |
MX2008010742A (es) | 2008-09-01 |
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