JP2005105492A - 補強用不織基布 - Google Patents
補強用不織基布 Download PDFInfo
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Abstract
【解決手段】少なくとも、複数本の強化繊維糸82,83を一定間隔もしくは密に一定方向に引き揃えた経糸糸条群と、それとは略垂直方向に引き揃えた融点差のある少なくとも2以上のポリマーで構成されている複合繊維81の熱融着マルチフィラメント糸の糸条群とを重ね合わせ、熱融着によって貼り合わせた、補強用不織基布。
【選択図】図8
Description
高強度繊維シートとしては、ガラス繊維糸で保形されたシートが知られている(例えば、特許文献1、図2、特許文献2)。
(1)一軸強化繊維からなる補強用不織基布の製造方法および製造装置
(i)左右両側で一対の耳糸を連続的に供給する装置と、複合繊維のマルチフィラメント熱融着糸の緯糸を連続的に供給し、上記1対の耳糸間に蛇行状に掛け渡して進行させる装置と、蛇行状の緯糸の上面および下面に多数本の強化繊維糸の経糸を連続的に供給し整経して合わせる装置と、経糸と緯糸が積層された後に、加熱加圧することで緯糸の低融点部を溶融し、経糸と熱融着により、緯糸を貼り合わせ、貼り合わせた不織基布を巻き取る装置から少なくとも構成される補強用不織基布製造装置、および該製造装置が履行する製造方法。
(ii)左右両側で一対の耳糸を連続的に供給する装置と、緯糸として、強化繊維糸を連続的に供給し、上記1対の耳糸間に蛇行状に掛け渡して進行させる装置と、蛇行状の緯糸の上面および下面に多数本の強化繊維糸の経糸を連続的に供給し整経して合わせる装置と、上下に、複合繊維のマルチフィラメント熱融着糸による、一定間隔で引き揃えた経糸糸条群と緯糸糸条群を積層して形成した、メッシュ状のシートを送り出す装置と、経糸と緯糸が積層された直後に、上部もしくは下部から、もしくは上下両方から、複合繊維のマルチフィラメント熱融着糸によるメッシュ状のシートを挿入し、加熱加圧することで複合繊維のマルチフィラメント熱融着糸によるメッシュ状のシートを溶融し、経糸と熱融着により、緯糸を貼り合わせた不織基布を巻き取る装置から少なくとも構成される補強用不織基布製造装置、および該製造装置が履行する製造方法。
補助繊維材として、オレフィン系熱融着マルチフィラメント(三菱レイヨン社製;熱融着パイレン(登録商標)680d)を用いた。この補助繊維材は、芯鞘構造のマルチフィラメントで芯部が融点165℃のポリプロピレン、鞘部が融点98℃のポリエチレンであり、太さが680デニールで60フィラメント、比重0.93を有する。
上記補助繊維材を用い、縦方向の上糸を2cmピッチで引き揃えた糸条群1と、下糸を上糸1の糸間に糸が位置するように2cmピッチで引き揃えた糸条群2と、その間に1cmピッチで横方向に同じ糸を引き揃えた糸条群3を挟み込むようにメッシュ状に配置した。このメッシュ状体を、上下電熱ロールを用い、上ロールの温度を100℃、下ロールの温度を80℃、ニップ圧力を1.0kg/cmにし、ライン速度1m/分で熱融着し、巻き取りロール6に巻き取り、メッシュを得た。
これは、オレフィン系マルチフィラメント熱融着繊維であることから、比重がガラス繊維よりも小さい。よって、同じ繊度であっても、実際の糸の断面積は、ガラス繊維よりも大きくなる。
ガラスメッシュ 0.6mm
熱融着メッシュ(680d) 1.2mm
熱融着メッシュ(340d) 1.0mm
熱融着メッシュ(170d) 0.8mm
ガラスメッシュ 16g/m2
熱融着メッシュ(680d) 15g/m2
熱融着メッシュ(340d) 7.5g/m2
熱融着メッシュ(170d) 3.8g/m2
図3に示したガラスメッシュ製造装置で下記するようにガラスメッシュを製造した。
縦糸としてガラス繊維糸(太さ:300デニール、比重:2.54)を用い、縦方向の上糸を1cmピッチで引き揃えた糸条群31と、下糸を上糸と重なるようにに1cmピッチで引き揃えた糸条群32と、その間に1cmピッチで横方向にガラス繊維糸(太さ:600デニール、比重:2.54)を引き揃えた糸条群33を挟み込むようにメッシュ状に配置した。
縦方向に強化繊維として、カーボン繊維糸(三菱レイヨン社製「パイロフィル(登録商標)」)を用いる。当該カーボン繊維糸を、12Kで糸幅が約6mmの糸を5mmピッチで縦方向に引き揃えて、隙間の無いようにシート状にしたカーボン繊維糸シート51を供給した。このカーボン繊維糸シートの下から、前記のガラス繊維糸よりなるメッシュ54をシート面に沿わせて挿入し、上下に配置した加熱ロール52、53間をS字状に通し、ニップ条件:30kg/40cm、上下ロール温度:150℃、ライン速度:1m/分で、本発明の補強用不織基布を得た。
またメッシュとカーボン繊維糸シートとは、メッシュに含浸された熱可塑性樹脂が融解して、カーボン繊維と接着していることがわかった。
強化繊維として、カーボン繊維糸(三菱レイヨン社製「パイロフィル(登録商標)」)12Kを糸幅が約20mmに開繊した糸を用いた。この糸を用い、縦方向の上糸として4cmピッチで引き揃えた上層糸条群と、下糸を上糸の糸間に糸が位置するために1/2ピッチずれて積層されるように、4cmピッチで引き揃えた下層糸条群を形成した。
上下2層の経糸糸状間に1cmピッチで横方向に引き揃えた緯糸を挿入し配置した。次に、上ロールに外層がステンレスの電熱ロールを、下ロールに大きさが同一で、外層が耐熱シリコンゴムの電熱ロールを配置し、上ロールの温度を100℃、下ロールの温度を80℃、ニップ圧力を1.0kg/cmにし、ライン速度1m/分で緯糸の熱融着糸で目止めした、1方向強化繊維補強用不織基布を得た。
ガラスメッシュ使用 (メッシュ使用) 57g/m2(比較例1)
熱融着メッシュ(680d)使用 (メッシュ使用) 56g/m2(実施例1)
熱融着メッシュ(340d)使用 (メッシュ使用) 48g/m2
熱融着メッシュ(170d)使用 (メッシュ使用) 44g/m2
4、5加熱ロール
6 巻き取りロール
21 カーボン繊維糸シート
22、23 伝熱ロール
24 熱融着メッシュ
25 巻き取りロール
31、32、33 糸状群
34、35 ゴムロール
36 樹脂浴槽
51 カーボン繊維糸シート
52、53 加熱ロール
54 ガラス繊維糸メッシュ
55 巻き取りロール
71 芯
72 鞘
81 補助繊維材
82、83 強化繊維糸
Claims (13)
- 強化繊維糸を補助繊維材でシート状に保形してなる補強用不織基布であって、補助繊維材が、融点差のある少なくとも2以上のポリマーで構成されている複合繊維を用いたマルチフィラメント糸からなることを特徴とする補強用不織基布。
- 複合繊維が、鞘部が芯部より低融点のポリマーで構成されている芯鞘構造からなることを特徴とする請求項1記載の補強用不織布
- 融点差のある少なくとも2以上のポリマーが、共にオレフィン系ポリマーで構成されていることを特徴とする、請求項1または請求項2記載の補強用不織基布。
- 融点差のある少なくとも2以上のポリマーにおいて、高融点ポリマーがポリプロピレンポリマーであり、低融点ポリマーが、ポリエチレンまたは低融点ポリプロピレンポリマーから成る請求項1〜3いずれかに記載の補強用不織基布
- 芯鞘構造からなる複合繊維における該芯鞘構造が、ポリプロピレン(芯部)/ポリエチレン(鞘部)またはポリプロピレン(芯部)/低融点ポリプロピレン(鞘部)であることを特徴とする、請求項2〜4いずれかに記載の補強用不織基布。
- 強化繊維糸を経糸糸条群とし、補助繊維材を緯糸糸状群として、2層以上積層してなる請求項1〜5いずれかに記載の補強用不織基布。
- 一定間隔を有する経糸糸状群を上下2層とし、緯糸糸状群をその上下間に位置させる3層構成であって、上層糸状群の糸間に下層糸状群の糸が位置するよう、下層を1/2ピッチずらして積層することを特徴とする請求項6記載の補強用不織基布。
- 補助繊維材が、融点差のある少なくとも2以上のポリマーで構成されている複合繊維を用いたマルチフィラメント糸を、少なくとも緯糸として用いたメッシュ構造に構成されていることを特徴とする、請求項1〜5いずれかに記載の補強用不織基布。
- シート状保形が熱融着で行われている、請求項1〜8いずれかに記載の補強用不織基布。
- 強化繊維糸が開繊糸であることを特徴とする、請求項1〜9いずれかに記載の補強用不織基布。
- 強化繊維糸が複数本一方向に引き揃えられてなることを特徴とする、請求項1〜10いずれかに記載の補強用不織基布。
- 強化繊維糸が、強化繊維糸を縦方向に引き揃えた経糸シートと、強化繊維糸を横方向に引き揃えた緯糸シートからなる2軸強化繊維糸シートを形成していることを特徴とする、請求項1〜10いずれかに記載の補強用不織基布。
- 強化繊維糸が、シートの長手方向を0°として、0°方向に強化繊維糸を引き揃えた糸シート、+α°および−α°(0<α<90)方向に強化繊維糸を引き揃えた糸シート、およびさらに0°方向および/または、90°方向に強化繊維糸を引き揃えた糸シートからなる多軸強化繊維糸シートを形成していることを特徴とする、請求項1〜10いずれかに記載の補強用不織基布。
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JP2003343255A JP3853774B2 (ja) | 2003-10-01 | 2003-10-01 | 補強用不織基布 |
CNB2004800072362A CN100404744C (zh) | 2003-10-01 | 2004-03-25 | 补强用非织造底布 |
PCT/JP2004/004165 WO2005033395A1 (ja) | 2003-10-01 | 2004-03-25 | 補強用不織基布 |
KR1020057017299A KR100738754B1 (ko) | 2003-10-01 | 2004-03-25 | 보강용 부직 기포 |
EP20040723327 EP1669486B1 (en) | 2003-10-01 | 2004-03-25 | Nonwoven base fabric for reinforcing |
US10/541,532 US20060154020A1 (en) | 2003-10-01 | 2004-03-25 | Nonwoven base fabric for reinforcing |
CA 2533179 CA2533179C (en) | 2003-10-01 | 2004-03-25 | Reinforcing non-woven base fabric |
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EP (1) | EP1669486B1 (ja) |
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KR (1) | KR100738754B1 (ja) |
CN (1) | CN100404744C (ja) |
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Cited By (4)
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JP2007092225A (ja) * | 2005-09-28 | 2007-04-12 | Ube Nitto Kasei Co Ltd | 複合メッシュ状物、および同メッシュ状物を用いたコンクリート構造物の補修または補強工法 |
EP2515460A1 (en) | 2005-03-31 | 2012-10-24 | NTT DoCoMo, Inc. | Mobile station, method and mobile communication system for pilot transmission. |
JP2019014997A (ja) * | 2017-07-07 | 2019-01-31 | ユニチカ株式会社 | 炭素繊維織物用緯糸およびこの緯糸を用いた炭素繊維織物 |
JP2022009524A (ja) * | 2017-07-07 | 2022-01-14 | ユニチカ株式会社 | 炭素繊維織物用緯糸およびこの緯糸を用いた炭素繊維織物 |
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JP4459680B2 (ja) * | 2004-03-30 | 2010-04-28 | 日東紡績株式会社 | 不織布の製造方法及び不織布 |
US20090226693A1 (en) * | 2005-12-16 | 2009-09-10 | Polymer Group, Inc. | Concrete Fiber Material, Castable Constructs Including Same, And Methods |
KR101441593B1 (ko) * | 2006-02-01 | 2014-09-19 | 도레이 카부시키가이샤 | 필터용 부직포 및 그 제조 방법 |
ATE475735T1 (de) * | 2007-01-31 | 2010-08-15 | Ivo Ruzek | Hochfester leichter tuftingträger und verfahren zu seiner herstellung |
MX350493B (es) * | 2009-10-02 | 2017-09-07 | Barrday Inc | Telas de capas múltiples tejidas y métodos para fabricar las mismas. |
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CN104878475A (zh) * | 2015-06-10 | 2015-09-02 | 马海燕 | 大直径皮芯型复合单丝及其生产方法 |
ES2751056T3 (es) * | 2015-10-01 | 2020-03-30 | Teijin Carbon Europe Gmbh | Sustrato textil de fibras de refuerzo |
CN106930005A (zh) * | 2017-04-16 | 2017-07-07 | 丹阳市益讯机械有限公司 | 铺网机的铺网机构 |
EP3695039B1 (en) | 2018-04-03 | 2021-01-27 | POLITEX s.a.s. di FREUDENBERG POLITEX s.r.l. | Reinforced nonwoven |
CN113737389B (zh) * | 2021-09-29 | 2023-04-28 | 礼德滤材科技(苏州)有限责任公司 | 一种直接铺网的三梳理水刺无纺布及其制备方法 |
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-
2003
- 2003-10-01 JP JP2003343255A patent/JP3853774B2/ja not_active Expired - Fee Related
-
2004
- 2004-03-25 WO PCT/JP2004/004165 patent/WO2005033395A1/ja active Application Filing
- 2004-03-25 KR KR1020057017299A patent/KR100738754B1/ko active IP Right Grant
- 2004-03-25 US US10/541,532 patent/US20060154020A1/en not_active Abandoned
- 2004-03-25 EP EP20040723327 patent/EP1669486B1/en not_active Expired - Fee Related
- 2004-03-25 CN CNB2004800072362A patent/CN100404744C/zh not_active Expired - Fee Related
- 2004-03-25 CA CA 2533179 patent/CA2533179C/en not_active Expired - Fee Related
Cited By (6)
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EP2515460A1 (en) | 2005-03-31 | 2012-10-24 | NTT DoCoMo, Inc. | Mobile station, method and mobile communication system for pilot transmission. |
JP2007092225A (ja) * | 2005-09-28 | 2007-04-12 | Ube Nitto Kasei Co Ltd | 複合メッシュ状物、および同メッシュ状物を用いたコンクリート構造物の補修または補強工法 |
JP2019014997A (ja) * | 2017-07-07 | 2019-01-31 | ユニチカ株式会社 | 炭素繊維織物用緯糸およびこの緯糸を用いた炭素繊維織物 |
JP2022009524A (ja) * | 2017-07-07 | 2022-01-14 | ユニチカ株式会社 | 炭素繊維織物用緯糸およびこの緯糸を用いた炭素繊維織物 |
JP7033770B2 (ja) | 2017-07-07 | 2022-03-11 | ユニチカ株式会社 | 炭素繊維織物用緯糸およびこの緯糸を用いた炭素繊維織物 |
JP7236763B2 (ja) | 2017-07-07 | 2023-03-10 | ユニチカ株式会社 | 炭素繊維織物用緯糸およびこの緯糸を用いた炭素繊維織物 |
Also Published As
Publication number | Publication date |
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CA2533179C (en) | 2008-12-16 |
CN1761785A (zh) | 2006-04-19 |
KR20050114658A (ko) | 2005-12-06 |
EP1669486A4 (en) | 2008-11-05 |
CA2533179A1 (en) | 2005-04-14 |
EP1669486A1 (en) | 2006-06-14 |
CN100404744C (zh) | 2008-07-23 |
WO2005033395A1 (ja) | 2005-04-14 |
KR100738754B1 (ko) | 2007-07-12 |
EP1669486B1 (en) | 2012-11-07 |
JP3853774B2 (ja) | 2006-12-06 |
US20060154020A1 (en) | 2006-07-13 |
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