JP2017113391A - 短繊維不織布、面ファスナー用ループ部材及び衛生用品 - Google Patents
短繊維不織布、面ファスナー用ループ部材及び衛生用品 Download PDFInfo
- Publication number
- JP2017113391A JP2017113391A JP2015253849A JP2015253849A JP2017113391A JP 2017113391 A JP2017113391 A JP 2017113391A JP 2015253849 A JP2015253849 A JP 2015253849A JP 2015253849 A JP2015253849 A JP 2015253849A JP 2017113391 A JP2017113391 A JP 2017113391A
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- JP
- Japan
- Prior art keywords
- loop
- layer
- nonwoven fabric
- base material
- material layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
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- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/02—Bandages, dressings or absorbent pads
- D10B2509/026—Absorbent pads; Tampons; Laundry; Towels
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- Absorbent Articles And Supports Therefor (AREA)
Abstract
【解決手段】短繊維不織布のループ層と短繊維不織布の基材層とを含む、面ファスナー用のループ部材であって、前記ループ層中の繊維の平均繊度の、前記基材層中の繊維の平均繊度に対する比[ループ層中の繊維の平均繊度]/[基材層中の繊維の平均繊度]が、1.5〜30であり、前記ループ部材についてカンチレバー法で測定した柔軟度が、MD方向で60mm以下、CD方向で50mm以下であり、前記ループ部材についてフラジール形法で測定した通気度が、10〜100cm3/秒×cm2であるループ部材を提供を一つの解決手段とする。
【選択図】図1
Description
また、上述のように不織布は通気性及び柔軟性がニットループに比して高いが、通気性が高すぎると製造時に取扱性が低下し、通気性を下げると柔軟性も伴って低下してしまうという課題も存在している。
短繊維不織布のループ層と短繊維不織布の基材層とを含む、面ファスナー用のループ部材であって、
前記ループ層中の繊維の平均繊度の、前記基材層中の繊維の平均繊度に対する比[ループ層中の繊維の平均繊度]/[基材層中の繊維の平均繊度]が、1.5〜30であり、
前記ループ部材についてカンチレバー法で測定した柔軟度が、MD方向で60mm以下、CD方向で50mm以下であり、
前記ループ部材についてフラジール形法で測定した通気度が、10〜100cm3/秒×cm2であるループ部材を提供する。
短繊維不織布であって、
カンチレバー法で測定した柔軟度が、MD方向で40mm以下、CD方向で30mm以下であり、
フラジール形法で測定した通気度が、150cm3/秒×cm2以下である短繊維不織布を提供する。
ループ層及び基材層を含む、面ファスナー用のループ部材であって、
前記ループ層が、融着されている短繊維不織布を含み、
前記基材層が、カレンダー加工されている短繊維不織布を含み、
前記ループ層中の繊維の平均繊度の、前記基材層中の繊維の平均繊度に対する比[ループ層中の繊維の平均繊度]/[基材層中の繊維の平均繊度]が、1.5〜30であり、
前記基材層の厚みが、15μm〜100μmである、ループ部材を提供する。
また別の態様は、上記ループ部材を含む、大人用おむつを提供する。
これらの態様によれば、通気性、柔軟性、係合強度、繰り返し脱着時の係合強度持続性、及び印刷特性が良好であり、かつ低コストで製造可能な面ファスナー用のループ部材、及び大人用おむつの提供が可能である。
[実施例1〜7、比較例1]
(ループ層用の短繊維不織布)
以下の、カーディング不織布を用いた。鞘部の融点は約115℃、芯部の融点は約163℃である。
品番:6.6 ESC cure repeat PE 1185、ポリエチレン(鞘)/ポリプロピレン(芯)二成分繊維、平均繊度6デニール、繊維長40mm、Fibervisions社から市販で入手可能
品番:SESC4013、ポリエチレン(鞘)/ポリプロピレン(芯)二成分繊維、平均繊度4デニール、繊維長40mm、Fibervisions社から市販で入手可能
品番:ESC225SDGK、平均繊度2デニール、ポリエチレン(鞘)/ポリプロピレン(芯)二成分繊維、繊維長40mm、Fibervisions社から市販で入手可能
品番:ETC212C、平均繊度12デニール、ポリエチレン(鞘)/ポリエチレンテレフタレート(芯)二成分繊維、繊維長40mm、Fibervisions社から市販で入手可能
下記オーブン内で下記条件にて短繊維不織布を高温エアスルー加工することで、融着された、ループ層用の短繊維不織布を得た。
オーブン:STRAHM HiPer(TM) Therm System(Strahm Textile Systems AG社製)
ライン速度:表1及び2記載のとおり
エアスルー温度:表1及び2記載のとおり
エアブロー量(*):表1及び2記載のとおり
(*)オーブンの最大吹出量100%に対する割合
上記で得た、ループ層用の短繊維不織布と基材層用の短繊維不織布とを重ね、温度約135℃、ニップ圧80kg(8MPa)にてパターンエンボス加工して積層し、ループ部材を得た。
KLL GKLL:品番:CLP−06603、3Mカンパニーから市販で入手可能。
1.90°剥離強度
90°剥離強度は、雄材として1600ピン/平方インチのフック部材(3Mカンパニー製 1600DH)を用い、JTM−1221に準拠して測定した。ループ部材及び雄材の係合と90°剥離とを20回繰り返したときの初回及び20回目の90°剥離強度を記録した。
剪断強度は、雄材として1600ピン/平方インチのフック部材(3Mカンパニー製 1600DH)を用い、JTM−1235に準拠して測定した。ループ部材と雄材とを係合させた後測定した剪断強度を初回の剪断強度とし、上記1.の方法でJTM−1221に従ってループ部材と雄材との係合と90°剥離とを20回繰り返し、次いでループ部材と雄材とを係合させた後測定した剪断強度を20回目の剪断強度とした。
引張強度は、ループ層について、テンシロン万能試験機(AND(エーアンドデイ)製RTG−1225)を用い、以下の方法で測定した。
レザーカッターにて、ループ層について長さ100mm以上、幅50mmにカットしてサンプルを作製した。
テンシロンの設定は以下のとおりとした。
チャック間隔:100mm
引張スピード:300mm/分
サンプルをチャックに取り付け、破断時引張強度を測定した。
実施例1及び比較例1で作製したループ部材のループ層につき、光学顕微鏡を用いて表面状態を観察した。図3は、実施例1におけるループ層の表面状態画像を示す図であり、図4は、比較例1におけるループ層の表面状態画像を示す図である。図3及び4はそれぞれ拡大率175倍で撮影したものである。
[実施例A1〜A5、比較例A1〜A5]
(基材層用の短繊維不織布)
基材層には以下の、カーディング不織布を用いた。鞘部の融点は約115℃、芯部の融点は約163℃である。
平均繊度1.5デニール、ポリエチレン(鞘)/ポリプロピレン(芯)二成分繊維、繊維長40mm、坪量15gsm、Fibervisions社製
平均繊度1.2デニール、ポリエチレン(鞘)/ポリプロピレン(芯)二成分繊維、繊維長40mm、坪量15gsm、Fibervisions社から市販で入手可能(品番:ESC112)
短繊維不織布を、熱ポイントボンドローラーに通し仮止し、その後に100%カレンダー加工(カレンダー加工)し、基材層用の短繊維不織布を得た。この短繊維不織布の繊度やカレンダー加工の条件は表3に示すとおりである。実施例A1〜A5のように比較的低温で施したカレンダー加工を低温カレンダー加工と呼ぶ。
[実施例B1〜B6、比較例B1〜B2]
(ループ層用の短繊維不織布)
ポリエチレン(鞘)/ポリプロピレン(芯)二成分繊維、平均繊度4デニール、繊維長40mm、Fibervisions社製
(ループ部材の作成)
上記ループ層用の短繊維不織布と低温カレンダー加工を施したループ層基材層用の短繊維不織布とを重ね、温度約135℃、ニップ圧5MPaにてパターンエンボス加工して積層し、ループ部材を得た。
1.剪断強度、引張強度
上述の<融着したループ層を有するループ部材の特性評価>と同様である。
試料から25mm×250mmの試験片を採取した。試験片の一端を、カンチレバー形試験機のプラットホームの前端に合わせて置き、鋼製定規の0点をマークDに合わせた状態で鋼製定規を試験片の上に載せ、鋼製定規と試験片とを一緒に斜面の方向に緩やかに一定速度で押し出し、鋼製定規を移動して8秒間放置した後,試験片の突き出た長さを鋼製定規から読み取った。
試験機は、カトーテック社製の型番KESFB2−Sを使用した。試料から試験片を採取して試験機にセットし、曲げ特性(gf×cm2/cm)を得た。なお、1gf×cm2/cmは0.0098N×cm2/cmに相当し、表3には併記している。表3の例えば5.4E−05は、5.4×10−5を意味する。
フラジール形試験機は、東洋精機製作所社製を使用した。試料から150mm×150mmの試験片を採取し、試験機の円筒の一端に試験片を取り付けた後,加減抵抗器によって傾斜形気圧計が125Paの圧力を示すように吸込みファン及び空気孔を調整し,そのときの垂直形気圧計の示す圧力を測り、測定した圧力と使用した空気孔の種類とから,試験機に附属の換算表によって試験片を通過する空気量(cm3/秒×cm2)を求めた。
11 基材層
12 ループ層
13 印刷層
Claims (12)
- 短繊維不織布のループ層と短繊維不織布の基材層とを含む、面ファスナー用のループ部材であって、
前記ループ層中の繊維の平均繊度の、前記基材層中の繊維の平均繊度に対する比[ループ層中の繊維の平均繊度]/[基材層中の繊維の平均繊度]が、1.5〜30であり、
前記ループ部材についてカンチレバー法で測定した柔軟度が、MD方向で60mm以下、CD方向で50mm以下であり、
前記ループ部材についてフラジール形法で測定した通気度が、10〜100cm3/秒×cm2であるループ部材。 - 前記基材層は、当該基材層の短繊維不織布を構成する繊維外面の融点よりも低い温度でカレンダー加工されている、請求項1に記載のループ部材。
- 当該基材層の短繊維不織布が120℃以下でカレンダー加工されている、請求項1に記載のループ部材。
- 前記基材層は、7MPa以上の圧力でカレンダー加工されている、請求項1〜3のいずれか一項に記載のループ部材。
- 前記ループ部材に対して、突起物を有し当該ループ部材に係合可能な面ファスナー用フックの係合と剥離とを20回繰り返したときの20回目の90度剥離強度が、0.2N/25.4mm以上5.0N/25.4mm以下である、請求項1〜4のいずれか一項に記載のループ部材。
- 前記ループ層が、融着されている短繊維不織布を含む、請求項1〜5のいずれか一項に記載のループ部材。
- 前記ループ層の短繊維不織布が、第1の融点を有する芯部と、前記第1の融点よりも低い第2の融点を有する鞘部とを有し、前記ループ層の短繊維不織布が、前記第1の融点と前記第2の融点との間の温度で前記融着されている、請求項6に記載のループ部材。
- 前記ループ層の短繊維不織布が、ポリプロピレン芯部とポリエチレン鞘部とを有する芯鞘繊維を含み、
前記ループ層の短繊維不織布が、温度135℃〜145℃で前記融着されている、請求項6に記載のループ部材。 - 前記基材層上に配置された印刷層を更に有する、請求項1〜8のいずれか一項に記載のループ部材。
- 請求項1〜9のいずれか一項に記載のループ部材を含む、衛生用品。
- 短繊維不織布であって、
カンチレバー法で測定した柔軟度が、MD方向で40mm以下、CD方向で30mm以下であり、
フラジール形法で測定した通気度が、150cm3/秒×cm2以下である短繊維不織布。 - 短繊維不織布であって、
KES法で測定した柔軟度が、0.00008N×cm2/cm以下であり、
フラジール形法で測定した通気度が、150cm3/秒×cm2以下である短繊維不織布。
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- 2016-12-15 KR KR1020187020943A patent/KR20180098317A/ko unknown
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- 2016-12-15 CN CN201680075634.0A patent/CN108697566B/zh active Active
- 2016-12-15 BR BR112018013046A patent/BR112018013046A2/pt not_active Application Discontinuation
- 2016-12-15 EP EP16826230.1A patent/EP3393417A1/en not_active Withdrawn
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JP2019055092A (ja) * | 2017-09-22 | 2019-04-11 | 大王製紙株式会社 | テープタイプ使い捨ておむつ |
JP7202772B2 (ja) | 2017-09-22 | 2023-01-12 | 大王製紙株式会社 | テープタイプ使い捨ておむつ |
WO2021153642A1 (ja) * | 2020-01-29 | 2021-08-05 | クラレファスニング株式会社 | 生分解性に優れた表裏係合型面ファスナー |
EP3926086A1 (de) * | 2020-05-29 | 2021-12-22 | Mondi AG | Vliesstoffelement und herstellungsverfahren |
Also Published As
Publication number | Publication date |
---|---|
CN108697566B (zh) | 2022-05-10 |
EP3393417A1 (en) | 2018-10-31 |
CN108697566A (zh) | 2018-10-23 |
TWI757262B (zh) | 2022-03-11 |
TW201736658A (zh) | 2017-10-16 |
KR20180098317A (ko) | 2018-09-03 |
JP6838802B2 (ja) | 2021-03-03 |
BR112018013046A2 (pt) | 2018-12-04 |
US20190000696A1 (en) | 2019-01-03 |
WO2017112509A1 (en) | 2017-06-29 |
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