JP2007331259A - 発泡ウレタン補強材 - Google Patents
発泡ウレタン補強材 Download PDFInfo
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- JP2007331259A JP2007331259A JP2006166277A JP2006166277A JP2007331259A JP 2007331259 A JP2007331259 A JP 2007331259A JP 2006166277 A JP2006166277 A JP 2006166277A JP 2006166277 A JP2006166277 A JP 2006166277A JP 2007331259 A JP2007331259 A JP 2007331259A
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- nonwoven fabric
- urethane
- reinforcing material
- dtex
- needle
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- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000012779 reinforcing material Substances 0.000 title claims abstract description 26
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 94
- 238000004080 punching Methods 0.000 claims abstract description 18
- 239000006260 foam Substances 0.000 claims description 23
- 239000006229 carbon black Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 13
- 239000002184 metal Substances 0.000 abstract description 12
- 229920002635 polyurethane Polymers 0.000 abstract 2
- 239000004814 polyurethane Substances 0.000 abstract 2
- 238000007373 indentation Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 15
- 238000009958 sewing Methods 0.000 description 15
- 238000011156 evaluation Methods 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 8
- -1 Polyethylene terephthalate Polymers 0.000 description 6
- 238000005187 foaming Methods 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000004049 embossing Methods 0.000 description 5
- 238000010097 foam moulding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000006748 scratching Methods 0.000 description 5
- 230000002393 scratching effect Effects 0.000 description 5
- 229920005830 Polyurethane Foam Polymers 0.000 description 4
- 238000003490 calendering Methods 0.000 description 4
- 239000011496 polyurethane foam Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/52—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by applying or inserting filamentary binding elements
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
- D04H3/105—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
- D04H3/115—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by applying or inserting filamentary binding elements
-
- 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]
- Y10T442/682—Needled nonwoven fabric
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Nonwoven Fabrics (AREA)
Abstract
【解決手段】単糸繊度1.0〜3.0dtexの不織布Aと、単糸繊度0.5〜2.5dtexの不織布Bとが、不織布Aの方向からニードルを進入させて、針密度35〜70個/cm2でニードルパンチ加工により積層されていることを特徴とする発泡ウレタン補強材。
Description
本発明の発泡ウレタン補強材は、単糸繊度1.0〜3.0dtexからなる不織布Aと、単糸繊度0.5〜2.5dtexからなる不織布Bとがニードルパンチ法により積層されていることが好ましい。ここに、不織布Aは発泡ウレタン成形時にウレタンが含浸され、不織布Bはウレタンの染み出しを防ぐ役割を担うところ、不織布Aの単糸繊度が1.0〜3.0dtexであれば、不織布Bとのニードルパンチ法による交絡が強くなされて剥離し難くなると共に、ウレタンが十分に含浸され、更に適切な硬さを確保できるため、型打ち抜き性に優れ、且つ正確な縫製が可能となる。また不織布Bの単糸繊度が0.5〜2.5dtexであれば、ウレタンの染み出しを有効に防止することが可能となるとともに、金属スプリングとの摩擦に対する耐久性が優れる。より好ましい不織布Aの繊度は1.5〜2.5dtex、更に好ましくは1.8〜2.3dtexである。また、より好ましい不織布Bの単糸繊度は0.8〜2.2dtex、更に好ましくは1.0〜2.0dtexである。
より好ましい添加量0.6〜2.5重量%、更に好ましくは0.8〜重3量%である。
20cm×5cmの試験片を不織布の巾1m当たり6ヶ採取し重量を坪量し、その平均値を単位面積当たりで表す。
不織布A面をコイル状バネに接して加圧、除圧を繰り返す異音発生モデル試験において異音の発生の有無を確認した。
油圧式裁断機にて裁断圧力10トンを使用する。裁断機の下側に木製の下敷きをセットし、その上に不織布を20枚折り重ねてセットする。裁断用に刃が一体となった型枠40cm×30cmを不織布の上にセットして裁断機のプレスにより裁断する。評価は、○合格:不織布が毛羽無くきれいに裁断できる、×不合格:毛羽があるため、はさみ又はカッター等でカットしなければならない。又は不織布の一部が裁断できていないため、はさみ又はカッター等でカットしなければならない。
不織布を自動車椅子バネ受け材として、椅子のフレーム形状に立体的に裁断する作業がある。不織布を引張りながらミシンにて縫製する。先に記載した引張り強力の測定方法により、5%伸張時応力を評価する。5%伸張時応力が高い程、縫製時の寸法安定性が高く好ましい。良否の判断基準としては、5%伸張時応力が18N/5cm以上が好ましい。
ウレタン発泡成形用金型内の発泡ガス空気抜け孔がある側の金型上面に、不織布を取り付けて、常法通り発泡性ウレタン樹脂を添加し、過熱、加圧下でポリウレタン発泡成形を行い、軟質ポリウレタンフォーム型内発泡成形品を作成した。
得られた成形品における不織布のポリウレタン樹脂の浸透、透過状態と、ポリウレタンフォーム層と積層構造不織布の接合状態を確認するため、得られた成形品を切断し、断面の状態観察及びポリウレタンフォーム層と積層構造不織布間接合強さを測定した。
スパンボンド法により製造された2.5dtexのポリエチレンテレフタレート繊維よりなるランダムループ組織の目付55g/m2 のウェッブを170℃の熱ロールによるカレンダー加工で仮熱圧着した不織布Aと同じくスパンボンド法により製造されたカーボンブラックを2%含む、1.2dtexのポリエチレンテレフタレート繊維よりなるランダムループ組織の目付40g/m2 のウェッブを200℃の熱ロールによるカレンダー加工で熱圧着した不織布Bとを積層し、オルガン社製FPD1−40Sのニードルを用いニードル密度50ケ/cm2 、針深度14mmでニードルパンチングして二層積層構造不織布を得た。不織布Aの5%伸張時応力は、たて=15N/5cm、よこ=8N/5cmであり、不織布Bの5%伸張時応力は、たて=41N/5cm、よこ=27N/5cmであった。
実施例1において、不織布Bの両側に不織布Aを積層し、オルガン社製FPD1−40Sのニードルを用いニードル密度50ケ/cm2 、針深度14mmでニードルパンチングして三層積層構造不織布を得た。
スパンボンド法により製造された3dtexのポリエチレンテレフタレート繊維よりなるランダムループ組織の目付55g/m2 のウェッブを170℃の熱ロールによるカレンダー加工で仮熱圧着した不織布1と同じくスパンボンド法により製造された1.5dtexのポリエチレンテレフタレート繊維よりなるランダムループ組織の目付40g/m2 のウェッブを200℃の熱ロールによるカレンダー加工で熱圧着した不織布2とを積層し、オルガン社製FPD1−40Sのニードルを用いニードル密度40ケ/cm2 、針深度14mmでニードルパンチングして二層積層構造不織布を得た。
比較例1で得られた二層積層構造不織布の不織布2面側に、不織布1と同じ製造条件で製造した不織布3を重ね、更に、オルガン社製FPD1−40Sのニードルを用いニードル密度40ケ/cm2 、針深度14mmでニードルパンチングし、交絡し三層積層構造不織布を得た。
実施例および比較例の評価結果を表1に示す。
比較例1,2は、不織布Bの不均一部分(密度が小さい部分)からウレタン発泡時の染み出しが若干発生した。含浸性は問題なかったが、打ち抜き評価では、毛羽が発生しまた部分的に裁断不良が発生することが確認された。縫製評価においても、不織布の5%伸張時応力が17N/5cm以下であり、縫製作業時においても、不織布が部分的に伸びてしまい、許容寸法内に縫製できないことが確認された。
Claims (4)
- 単糸繊度1.0〜3.0dtexの不織布Aと、単糸繊度0.5〜2.5dtexの不織布Bとが、不織布Aの方向からニードルを進入させて、針密度35〜70個/cm2でニードルパンチ加工により積層されていることを特徴とする発泡ウレタン補強材。
- 単糸繊度1.0〜3.0dtexの不織布Aを外層とし、単糸繊度0.5〜2.5dtexの不織布Bを内装とした3層構造であり、針密度35〜70個/cm2でニードルパンチ加工により積層されていることを特徴とする発泡ウレタン補強材。
- 前記不織布Aが初期モジュラス10〜100N/5cm、伸度2〜50%、前記不織布Bが初期モジュラス30〜200N/5cm、伸度5〜50%であることを特徴とする請求項1又は2記載の発泡ウレタン補強材。
- 前記スパンボンド不織布Bが、カーボンブラックを0.5〜5重量%含むことを特徴とする請求項1〜3いずれかに記載の発泡ウレタン補強材。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006166277A JP5003028B2 (ja) | 2006-06-15 | 2006-06-15 | 発泡ウレタン補強材 |
PCT/JP2007/061980 WO2007145271A1 (ja) | 2006-06-15 | 2007-06-14 | 発泡ウレタン補強材 |
US12/304,565 US7790643B2 (en) | 2006-06-15 | 2007-06-14 | Urethane foam reinforcing material |
CNA2007800223686A CN101473082A (zh) | 2006-06-15 | 2007-06-14 | 发泡聚氨酯强化材料 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006166277A JP5003028B2 (ja) | 2006-06-15 | 2006-06-15 | 発泡ウレタン補強材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007331259A true JP2007331259A (ja) | 2007-12-27 |
JP5003028B2 JP5003028B2 (ja) | 2012-08-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006166277A Active JP5003028B2 (ja) | 2006-06-15 | 2006-06-15 | 発泡ウレタン補強材 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7790643B2 (ja) |
JP (1) | JP5003028B2 (ja) |
CN (1) | CN101473082A (ja) |
WO (1) | WO2007145271A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012082548A (ja) * | 2010-10-12 | 2012-04-26 | Toyobo Co Ltd | 発泡成型品補強材用不織布及びその製造方法 |
JP2013129950A (ja) * | 2011-12-20 | 2013-07-04 | Kurashiki Seni Kako Kk | モールドパッド用不織布及びその製造方法 |
JP2013231262A (ja) * | 2012-04-27 | 2013-11-14 | Koyama Kenji | ウレタン発泡成形品用補強基布 |
US10266976B2 (en) | 2012-06-04 | 2019-04-23 | Toyobo Co., Ltd. | Nonwoven fabric for reinforcing foam molded articles and product using same |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN2012DN00772A (ja) * | 2010-07-13 | 2015-06-26 | Mitsui Chemicals Inc | |
DE102014116354A1 (de) * | 2014-11-10 | 2016-05-12 | J.H. Ziegler Gmbh | Kaschierungstextilverbundmaterial |
DE102014116355A1 (de) * | 2014-11-10 | 2016-05-12 | J.H. Ziegler Gmbh | Textilverbundmaterialproduktionsvorrichtung |
DE102017112596B4 (de) * | 2017-06-08 | 2020-06-18 | Carcoustics Techconsult Gmbh | Polyurethan-Formteil mit integrierter Montagehilfe, Verfahren zu dessen Herstellung sowie Verfahren zu dessen Montage |
Citations (12)
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JPH0370288U (ja) * | 1989-11-11 | 1991-07-15 | ||
JPH06136651A (ja) * | 1992-10-27 | 1994-05-17 | Mitsui Petrochem Ind Ltd | 発泡成形用被覆材 |
JPH06171002A (ja) * | 1992-12-11 | 1994-06-21 | Toyobo Co Ltd | ウレタン発泡成形用補強基布とその製造方法及び製品 |
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Cited By (4)
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JP2012082548A (ja) * | 2010-10-12 | 2012-04-26 | Toyobo Co Ltd | 発泡成型品補強材用不織布及びその製造方法 |
JP2013129950A (ja) * | 2011-12-20 | 2013-07-04 | Kurashiki Seni Kako Kk | モールドパッド用不織布及びその製造方法 |
JP2013231262A (ja) * | 2012-04-27 | 2013-11-14 | Koyama Kenji | ウレタン発泡成形品用補強基布 |
US10266976B2 (en) | 2012-06-04 | 2019-04-23 | Toyobo Co., Ltd. | Nonwoven fabric for reinforcing foam molded articles and product using same |
Also Published As
Publication number | Publication date |
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JP5003028B2 (ja) | 2012-08-15 |
US20090247037A1 (en) | 2009-10-01 |
US7790643B2 (en) | 2010-09-07 |
WO2007145271A1 (ja) | 2007-12-21 |
CN101473082A (zh) | 2009-07-01 |
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