JP5065670B2 - 不織布およびシート - Google Patents
不織布およびシート Download PDFInfo
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- JP5065670B2 JP5065670B2 JP2006351759A JP2006351759A JP5065670B2 JP 5065670 B2 JP5065670 B2 JP 5065670B2 JP 2006351759 A JP2006351759 A JP 2006351759A JP 2006351759 A JP2006351759 A JP 2006351759A JP 5065670 B2 JP5065670 B2 JP 5065670B2
- Authority
- JP
- Japan
- Prior art keywords
- short fibers
- nonwoven fabric
- polyethylene naphthalate
- polyolefin
- sheet
- 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.)
- Expired - Fee Related
Links
- 239000004745 nonwoven fabric Substances 0.000 title claims description 58
- 239000000835 fiber Substances 0.000 claims description 88
- -1 polyethylene naphthalate Polymers 0.000 claims description 36
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims description 27
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 27
- 229920001169 thermoplastic Polymers 0.000 claims description 22
- 239000004416 thermosoftening plastic Substances 0.000 claims description 22
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 229920000098 polyolefin Polymers 0.000 claims description 11
- 238000002788 crimping Methods 0.000 claims description 2
- 238000009960 carding Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 239000012772 electrical insulation material Substances 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000012567 medical material Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 1
- WTPYFJNYAMXZJG-UHFFFAOYSA-N 2-[4-(2-hydroxyethoxy)phenoxy]ethanol Chemical compound OCCOC1=CC=C(OCCO)C=C1 WTPYFJNYAMXZJG-UHFFFAOYSA-N 0.000 description 1
- GMOYUTKNPLBTMT-UHFFFAOYSA-N 2-phenylmethoxybenzoic acid Chemical compound OC(=O)C1=CC=CC=C1OCC1=CC=CC=C1 GMOYUTKNPLBTMT-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- BWEOUJLGCJJZSB-UHFFFAOYSA-N 4-(2-hydroxyethoxy)phenol;propane Chemical compound CCC.OCCOC1=CC=C(O)C=C1 BWEOUJLGCJJZSB-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- BWVAOONFBYYRHY-UHFFFAOYSA-N [4-(hydroxymethyl)phenyl]methanol Chemical compound OCC1=CC=C(CO)C=C1 BWVAOONFBYYRHY-UHFFFAOYSA-N 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- CCQPAEQGAVNNIA-UHFFFAOYSA-N cyclobutane-1,1-dicarboxylic acid Chemical compound OC(=O)C1(C(O)=O)CCC1 CCQPAEQGAVNNIA-UHFFFAOYSA-N 0.000 description 1
- FDKLLWKMYAMLIF-UHFFFAOYSA-N cyclopropane-1,1-dicarboxylic acid Chemical compound OC(=O)C1(C(O)=O)CC1 FDKLLWKMYAMLIF-UHFFFAOYSA-N 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- WPUMVKJOWWJPRK-UHFFFAOYSA-N naphthalene-2,7-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=CC2=CC(C(=O)O)=CC=C21 WPUMVKJOWWJPRK-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- CGEXUOTXYSGBLV-UHFFFAOYSA-N phenyl benzenesulfonate Chemical compound C=1C=CC=CC=1S(=O)(=O)OC1=CC=CC=C1 CGEXUOTXYSGBLV-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- YXTFRJVQOWZDPP-UHFFFAOYSA-M sodium;3,5-dicarboxybenzenesulfonate Chemical compound [Na+].OC(=O)C1=CC(C(O)=O)=CC(S([O-])(=O)=O)=C1 YXTFRJVQOWZDPP-UHFFFAOYSA-M 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
- Nonwoven Fabrics (AREA)
Description
なお、ここでいう2種類の短繊維とは、後で詳述するが、捲縮を有しない短繊維と捲縮を有する短繊維の2種類の短繊維という意味であり、両短繊維はいずれも同じ重合体からなる短繊維であってもかまわない。
上記シートは、前述した不織布を、熱プレス加工などを用いて上記温度で熱処理を行うことで製造することができる。
(1)捲縮率
JIS L 1015に従って下式により算出した。
捲縮率=(b−a)/b×100
a:試料に0.18mN×繊度(テックス)の初荷重をかけたときの長さ
b:試料に4.41mN×繊度(テックス)の荷重をかけたときの長さ
(2)不織布強度
JIS L 1096に従って測定した。
(3)シートの曲げ強力
JIS K 1055により板厚5mm、試験スパン50mm、試験速度50mmの条件にて3点曲げで測定した。
固有粘度0.7のポリエチレン−2,6−ナフタレートチップを310℃の温度で溶融後、孔径0.6mmの吐出孔を250ホール有する紡糸口金から吐出した。吐出量は、紡糸延伸後の単糸繊度が3.3dtexになるように調整した。吐出された糸条は長さ300mmにわたって吹き付け冷却固化し、オイリングロールで油剤を付与した後、700m/分の速度で巻き取った。ついで未延伸糸を160℃の加熱供給ロールと第1延伸ロールとの間で第1段延伸(倍率5.5)を行い、引き続き第1段延伸ロールと第2段延伸ロールとの間で320℃の乾熱浴中第2段延伸(倍率1.1)を行った後、弛緩させず(倍率1.0)320℃の乾熱浴中を通し、300m/分の速度で巻き取った。得られた延伸糸の単糸繊度は3.3dtex、強度は8.3cN/dtexであった。得られた延伸糸をギロチンカッターで30mmの長さにカットしてポリエチレンナフタレートの短繊維を得た。
実施例1で得られたポリエチレンナフタレート短繊維と市販のポリプロピレン短繊維(融点160℃、捲縮率15%)を表2に示す所定の割合で混綿し、カーデリングおよびクロスレイヤー法で100g/m2のウェブを作成し、厚み5mmになるように熱プレス加工(180℃×200N/cm)を施しシートを作成した。シートの性能を表2に示す。
Claims (7)
- 2種類の短繊維からなる不織布であって、一方の繊維が、捲縮を有していないポリエチレンナフタレート系短繊維、他方の繊維が、捲縮を有する融点が180℃以下のポリオレフィンのみで構成されるポリオレフィン系短繊維であり、該ポリオレフィン系短繊維の割合が不織布の重量に対して30〜70重量%であることを特徴とする不織布。
- 熱可塑性短繊維の捲縮率が10%以上である請求項1記載の不織布。
- ポリエチレンナフタレート系短繊維の強度が8cN/dtex以上である請求項1または2に記載の不織布。
- ポリエチレンナフタレート系短繊維およびポリオレフィン系短繊維の繊度が0.5〜9dtexである請求項1〜3のいずれかに記載の不織布。
- ポリエチレンナフタレート系短繊維およびポリオレフィン系短繊維の繊維長が0.3〜100mmである請求項1〜4のいずれかに記載の不織布。
- ポリエチレンナフタレート系短繊維とポリオレフィン系短繊維とが、両短繊維の接点で熱可塑性短繊維が溶融し融着している請求項1〜5のいずれかに記載の不織布。
- 請求項1〜6のいずれかに記載の不織布が、ポリオレフィン系短繊維の融点以上、ポリエチレンナフタレート系短繊維の融点未満の温度で熱処理され、該ポリオレフィン系短繊維が溶融して樹脂状となっていることを特徴とするシート。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006351759A JP5065670B2 (ja) | 2006-12-27 | 2006-12-27 | 不織布およびシート |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006351759A JP5065670B2 (ja) | 2006-12-27 | 2006-12-27 | 不織布およびシート |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008163482A JP2008163482A (ja) | 2008-07-17 |
| JP5065670B2 true JP5065670B2 (ja) | 2012-11-07 |
Family
ID=39693313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006351759A Expired - Fee Related JP5065670B2 (ja) | 2006-12-27 | 2006-12-27 | 不織布およびシート |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5065670B2 (ja) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05163653A (ja) * | 1991-12-16 | 1993-06-29 | Teijin Ltd | クッション構造体およびその製造方法 |
| JPH0913219A (ja) * | 1995-06-28 | 1997-01-14 | Toyobo Co Ltd | 熱接着性繊維及びその製法 |
| JP3760599B2 (ja) * | 1997-10-03 | 2006-03-29 | チッソ株式会社 | 積層不織布及びそれを用いた吸収性物品 |
| JP2001073228A (ja) * | 1999-09-01 | 2001-03-21 | Toray Ind Inc | 熱接着繊維およびクッション材 |
| JP2002069813A (ja) * | 2000-06-16 | 2002-03-08 | Nissan Motor Co Ltd | 繊維製クッション体及びその製造方法 |
| JP4027728B2 (ja) * | 2002-06-21 | 2007-12-26 | 帝人ファイバー株式会社 | ポリエステル系短繊維からなる不織布 |
-
2006
- 2006-12-27 JP JP2006351759A patent/JP5065670B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008163482A (ja) | 2008-07-17 |
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