JP6786800B2 - シート状物の製造方法 - Google Patents
シート状物の製造方法 Download PDFInfo
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- JP6786800B2 JP6786800B2 JP2015550875A JP2015550875A JP6786800B2 JP 6786800 B2 JP6786800 B2 JP 6786800B2 JP 2015550875 A JP2015550875 A JP 2015550875A JP 2015550875 A JP2015550875 A JP 2015550875A JP 6786800 B2 JP6786800 B2 JP 6786800B2
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- polyurethane
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Classifications
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0085—Use of fibrous compounding ingredients
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
- D06N3/005—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by blowing or swelling agent
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/147—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the isocyanates used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2205/00—Condition, form or state of the materials
- D06N2205/24—Coagulated materials
- D06N2205/243—Coagulated materials by heating, steam
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Description
次に、本発明のシート状物の製造方法について、具体的に説明する。本発明のシート状物の製造方法は、前述のとおり、繊維質基材に水分散型ポリウレタンがバインダーとして含浸され凝固されてなるシートに、架橋剤を付与し加熱するシート状物の製造方法である。
(1)シート状物の10%伸長時応力保持率:
JIS L1913 6.3.1(2010年版)に準じ、定速伸長型引張試験機を用いて、試料幅2cm、つかみ長さ10cm、引張速度10cm/分の条件で染色工程前のシート(生機)の10%伸長時の応力(N/cm)を乾燥時とシートを常温水に10分間浸漬させた後の湿潤時についてそれぞれN=5で測定し、10%伸長時の応力保持率=湿潤時の応力(N=5の平均)/乾燥時の応力(N=5の平均)×100で湿潤時の10%伸長時の応力保持率(%)を評価した。
マーチンデール摩耗評価(耐久性評価)を行った。マーチンデール摩耗試験機として、James H.Heal&Co.製のModel 406を用い、また標準摩擦布として同社のABRASTIVE CLOTH SM25を用い、人工皮革試料に12kPa相当の荷重をかけ、摩耗回数20,000回の条件で摩擦させた後の人工皮革の外観を目視で観察し、評価した。評価基準は、人工皮革の外観が摩擦前と全く変化が無かったものを5級とし、毛玉が多数発生したものを1級とし、その間を0.5級ずつに区切った。4級〜5級を合格とした。
シート状物の外観品位は、健康な成人男性と成人女性各10名ずつ、計20名を評価者として、目視と官能評価で下記のように5段階評価し、最も多かった評価を外観品位とした。外観品位は、4級〜5級を良好とした。
5級:均一な繊維の立毛があり、繊維の分散状態は良好で外観は良好である。
4級:5級と3級の間の評価である。
3級:繊維の分散状態はやや良くない部分があるが、繊維の立毛はあり外観はまずまず良好である。
2級:3級と1級の間の評価である。
1級:全体的に繊維の分散状態は非常に悪く、外観は不良である。
シート状物の風合は、健康な成人男性と成人女性各10名ずつ、計20名を評価者として、触感での官能評価で下記のように4段階評価し、最も多かった評価を風合の評価とした。風合は、○と△を良好(柔軟で、折れシワ回復性に優れる)とした。
○:同程度の目付の有機溶剤系ポリウレタンを適用した人工皮革と、同等の柔軟さおよび折れシワ回復性を有する。
△:同程度の目付の有機溶剤系ポリウレタンを適用した人工皮革よりは、柔軟さおよび折れシワ回復性が劣るが、比較的柔軟で折れシワ回復性も良好である。
×:シートが硬く、ペーパーライク感の触感である。
ポリオールにMnが2,000のポリヘキサメチレンカーボネート、イソシアネートにIPDI、分子内親水性基として、2,2−ジメチロールプロピオン酸を用い、アセトン溶媒中でプレポリマーを作成した後に、鎖伸長剤としてエチレングリコールと、外部乳化剤としてポリオキシエチレンノニルフェニルエーテルと水を添加して、鎖伸長反応及びエマルジョン化をした後、減圧化でアセトンを除去して水分散型ポリウレタン分散液を得た。
海成分として、5−スルホイソフタル酸ナトリウムを8モル%共重合したポリエチレンテレフタレートを用い、また島成分として、ポリエチレンテレフタレートを用い、海成分が20質量%で島成分が80質量%の複合質量比率で、島数16島/1フィラメント、平均繊維直径が20μmの海島型複合繊維を得た。得られた海島型複合繊維を、繊維長51mmにカットしてステープルとし、カードおよびクロスラッパーを通して繊維ウェブを形成し、ニードルパンチ処理により不織布とした。
向に垂直に半裁し、半裁してない側の面を120メッシュと240メッシュのサンドペーパーを用いて研削し、起毛処理した後、サーキュラー染色機を用いて分散染料により染色し還元洗浄を行い、目付が255g/m2の人工皮革を得た。得られた人工皮革は、耐摩耗性および外観品位共に良好であり、風合いも良好なものとなった。また、染色前の生機の湿潤時の10%伸長時応力保持率は、73%であった。結果を、表1に示す。
付与する架橋剤をブロックイソシアネート系[第一工業製薬(株)製「“エラストロン”(登録商標)BN−69」]に変更したこと以外は、実施例1同様にして目付258g/m2の人工皮革を得た。得られた人工皮革は、耐摩耗性および外観品位共に良好であり、風合いも良好なものとなった。また、染色前の生機の湿潤時の10%伸長時応力保持率は、74%であった。結果を、表1に示す。
海成分として、5−スルホイソフタル酸ナトリウムを8モル%共重合したポリエチレンテレフタレートを用い、また島成分として、ポリエチレンテレフタレートを用い、海成分が20質量%で島成分が80質量%の複合比率で、島数16島/1フィラメント、平均繊維直径が20μmの海島型複合繊維を得た。得られた海島型複合繊維を、繊維長51mmにカットしてステープルとし、カードおよびクロスラッパーを通して繊維ウェブを形成し、ニードルパンチ処理により不織布とした。
ポリウレタンの凝固方法を95℃の熱水から温度95℃湿度100%のスチームに変更し、水分散型ポリウレタン分散液に増粘剤を添加しなかったこと以外は、実施例3同様にして、目付263g/m2の人工皮革を得た。得られた人工皮革は耐摩耗性、外観品位共に良好であった。風合いは、熱水凝固したものよりはペーパーライク感が残るものとなった。また、染色前の生機の湿潤時の10%伸長時応力保持率は、73%であった。結果を、表1に示す。
水分散型ポリウレタン分散液にカルボジイミド系架橋剤[日清紡ケミカル(株)製「“カルボジライト”(登録商標)V−02―L2」]の有効成分をポリウレタン固形分に対し3質量%付与できるようにさらに添加した分散液を含浸したこと、ポリウレタン付与後にシートに付与する架橋剤の添加量をポリウレタン付与量に対し、有効成分を3質量%付与できるように濃度を変更した液を含浸したこと以外は、実施例2と同様にして、目付が266g/m2の人工皮革を得た。得られた人工皮革は耐摩耗性と外観品位共に良好であり、風合いも良好なものとなった。また、染色前の生機の湿潤時の10%伸長時応力保持率は、77%であった。結果を、表1に示す。
実施例1の海島複合繊維を用いて、カードおよびクロスラッパーを通して繊維ウェブを形成し、得られた繊維ウェブを積層した後に、撚糸が経緯共に84dtex−72フィラメントからなり、織密度が1インチ当たり96×76(経×緯)の織物を、前記の積層繊維ウェブの表裏に重ね合わせた後に、ニードルパンチ処理により積層不織布としたこと、脱海後の不織布の質量に対するポリウレタン質量が28質量%となるようにして、水分散型ポリウレタン樹脂を付与したこと、バンドナイフで半裁した面を起毛処理したこと以外は、実施例2と同様にして、目付が398g/m2の人工皮革を得た。得られた人工皮革は耐摩耗性と外観品位共に良好であり、風合いも良好なものとなった。また、染色前の生機の湿潤時の10%伸長時応力保持率は、77%であった。結果を、表1に示す。
ポリウレタンの凝固方法を95℃の熱水から温度120℃の熱風乾燥機で20分に変更したこと以外は、実施例2同様にして、目付260g/m2の人工皮革を得た。得られた人工皮革は耐摩耗性、外観品位共に良好であった。風合いは、熱水凝固したものよりはペーパーライク感が残るものとなった。また、染色前の生機の湿潤時の10%伸長時応力保持率は、76%であった。結果を、表1に示す。
架橋剤を添加しなかったこと以外は、実施例1と同様にして目付260g/m2の人工皮革を得た。得られた人工皮革は、ピリングが発生し耐摩耗性が悪く、外観品位も表層ナップが乱れた荒い品位であった。風合いも良好なものとなった。また、染色前の生機の湿潤時の10%伸長時応力保持率は、51%と低かった。結果を、表1に示す。
架橋剤をポリウレタン凝固後に添加するのではなく、水分散型ポリウレタン分散液にポリウレタン固形分対比、有効成分を5質量%添加したこと以外は、実施例2と同様に目付260g/m2の人工皮革を得た。得られた人工皮革は、ピリング少量発生し耐摩耗性が悪く、外観品位も均一感に乏しい品位であった。風合いは、ペーパーライク感が残るものとなった。また、染色前の生機の湿潤時の10%伸長時応力保持率は、62%と低かった。結果を、表1に示す。
架橋剤をポリウレタン凝固後に添加するのではなく、水分散型ポリウレタン分散液にポリウレタン固形分対比、有効成分を5質量%添加したこと以外は、実施例4と同様に目付262g/m2の人工皮革を得た。得られた人工皮革は、耐摩耗性は良好で、外観品位は比較的均一感のある品位であった。風合いは、ペーパーライク感が残るものとなった。また、染色前の生機の湿潤時の10%伸長時応力保持率は、65%であった。結果を、表1に示す。
Claims (4)
- 極細繊維発現型繊維および/または極細繊維からなる繊維質基材に水分散型ポリウレタンがバインダーとして含浸され凝固されてなるシートに、架橋剤を付与し150〜200℃の温度で加熱するシート状物の製造方法であって、水分散型ポリウレタンの凝固前に付与する架橋剤の付与量が、前記水分散型ポリウレタンの質量対比0.0質量%以上3.0質量%以下であり、前記極細繊維の平均繊維直径が0.1〜7μmであることを特徴とするシート状物の製造方法。
- 水分散型ポリウレタンの凝固後に付与する架橋剤の付与量が、前記水分散型ポリウレタンの質量対比0.5質量%以上10.0質量%以下であることを特徴とする請求項1記載のシート状物の製造方法。
- 水分散型ポリウレタンの凝固前に付与する架橋剤の付与量が、前記水分散型ポリウレタンの質量対比0.0質量%以上0.5質量%以下であることを特徴とする請求項1または2に記載のシート状物の製造方法。
- 水分散型ポリウレタンがポリマー内に親水基を含むことを特徴とする請求項1〜3のいずれかに記載のシート状物の製造方法。
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KR102027323B1 (ko) * | 2018-09-18 | 2019-10-01 | 조맹상 | 수성 방오처리된 폴리우레탄 인조피혁의 제조방법 |
JP7286892B2 (ja) * | 2018-10-04 | 2023-06-06 | 大原パラヂウム化学株式会社 | 樹脂皮膜及びそれを積層してなる繊維布帛及び繊維製品 |
CN113423770A (zh) * | 2019-02-15 | 2021-09-21 | 第一工业制药株式会社 | 树脂填充纤维基材、纤维强化复合材料及其制造方法 |
US20220380976A1 (en) | 2019-12-20 | 2022-12-01 | Toray Industries, Inc. | Sheet material and method for producing same |
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US3695924A (en) * | 1967-12-21 | 1972-10-03 | Hooker Chemical Corp | Process for textile treatment and treated textile |
JPS6022107B2 (ja) * | 1976-06-11 | 1985-05-31 | 株式会社クラレ | 腰のある柔軟な皮革様シ−トの製造法 |
JPS542302A (en) * | 1977-06-03 | 1979-01-09 | Dainichiseika Color Chem | Production of synthetic leather like article |
TWI256340B (en) * | 1999-02-01 | 2006-06-11 | Dainippon Ink & Chemicals | Aqueous urethane resin composition for forming pores, process for producing fiber sheet-shape composite |
DE102004010456A1 (de) * | 2004-03-01 | 2005-09-22 | Carl Freudenberg Kg | Verfahren zur Herstellung eines lichtechten Syntheseleders und danach hergestellte Produkte |
WO2011114956A1 (ja) * | 2010-03-16 | 2011-09-22 | 東レ株式会社 | シート状物およびその製造方法 |
JP2014025165A (ja) * | 2012-07-26 | 2014-02-06 | Toray Ind Inc | シート状物の製造方法 |
ITMI20121780A1 (it) * | 2012-10-22 | 2014-04-23 | Alcantara Spa | Nuovo processo per la preparazione di un tessuto non tessuto micro fibroso sintetico scamosciato |
JP6520709B2 (ja) * | 2013-11-21 | 2019-05-29 | 東レ株式会社 | シート状物 |
WO2015115290A1 (ja) * | 2014-01-30 | 2015-08-06 | 東レ株式会社 | シート状物およびその製造方法 |
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KR102612442B1 (ko) | 2021-04-12 | 2023-12-11 | 주식회사 디케이앤디 | 수분산 폴리우레탄 수지를 적용한 자동차 내장재용 인조피혁의 제조방법 |
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JPWO2016052189A1 (ja) | 2017-07-13 |
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