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1. 发明专利

JP2009001945A Leather-like sheet and method for producing the same 审中-公开
标题翻译：皮革类似物及其制造方法
公开(公告)号：JP2009001945A
公开(公告)日：2009-01-08
申请号：JP2007166325
申请日：2007-06-25
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： NOBUTO YOSHIKI , FUJISAWA MICHINORI , MATSUDA DAISUKE , MAKIMURA MASARU , ANDO YOSHIYUKI
IPC分类号： D06N3/00 , D04H1/4382
摘要： PROBLEM TO BE SOLVED: To provide a leather-like sheet which has a high design without deteriorating the uneven feeling of an appearance, even in such a use as used along a curved surface.
SOLUTION: This leather-like sheet having an uneven pattern formed on the surface of a substrate which contains a nonwoven fabric formed of ultrafine filament bundles and an elastomer imparted to the inside of the nonwoven fabric is characterized by satisfying the following (1) to (5). (1) Each of the ultrafine filament bundles is prepared by bundling 5 to 70 ultrafine filaments having an average monofilament fineness of ≤0.5 dtex; (2) the average fineness of the ultrafine fiber bundles is ≤3 dtex; (3) the convex portions of the uneven pattern have nap fibers, and in the concave portions of the uneven pattern, the nap fibers are fixed to the elastomer constituting the substrate; (4) the peripheries of the convex portions of the uneven pattern are surrounded the concave portions, and the average area of the convex portions is 0.2-25 mm
2 ; and (5) the 20% strength of the leather-like sheet is ≥8 kg/25 mm in both the longitudinal and latitudinal directions.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在沿曲面使用的这种用途中，提供一种具有高设计的皮革样片材，而不会使外观的不均匀感变差。解决方案：具有形成在包含由超细长丝束形成的无纺布的基材表面上形成的不均匀图案的皮革状片材和赋予无纺布内侧的弹性体的特征在于满足以下（1 ）至（5）。（1）通过将平均单丝细度≤0.5分特的5〜70根超细丝捆扎而制成每根超细丝束。（2）超细纤维束的平均细度≤3dtex; （3）不均匀图案的凸部具有绒毛纤维，在凹凸图案的凹部中，将绒毛纤维固定在构成基板的弹性体上; （4）凹凸图案的凸部的周边包围凹部，凸部的平均面积为0.2〜25mm×SP 2; 和（5）在纵向和纵向方向上，类似皮革的片材的20％强度都≥8kg/ 25mm。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008121132A Silver-clad-toned leathery sheet and sports shoes using the same 审中-公开
标题翻译： SILVER-CLAD-TONED LEATHERY SHEET AND SPORTS SHOES WITH THE SAME
公开(公告)号：JP2008121132A
公开(公告)日：2008-05-29
申请号：JP2006304885
申请日：2006-11-10
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ANDO SHUICHI , MAKIMURA MASARU , MAKIYAMA NORIO
IPC分类号： D06N3/00 , D04H1/4382
摘要： PROBLEM TO BE SOLVED: To provide a silver-clad-toned leathery sheet having a combination of natural leather-toned touch feeling and excellent mechanical properties, and to provide sports shoes using the same.
SOLUTION: The silver-clad-toned leathery sheet is such that one side of a basal layer composed of an interlaced nonwoven fabric comprising extrafine polyamide fiber bundles and an elastomer (I) filled in the nonwoven fabric is laminated with a silver-surfaced layer comprising a second elastomer (II). In this sheet, the extrafine fiber bundles (a) constituting the surface (A-surface) on the silver-surfaced layer side of the base layer and the extrafine fiber bundles (b) constituting the surface (B-surface) opposite to the silver-surfaced layer side of the base layer are constituted of polyamides with the same number-average molecular weight of 17,000-20,000, respectively, wherein the average single filament fineness of the extrafine fibers constituting the bundles (a) is 0.01-0.5 dtex, the average single filament fineness of the extrafine fibers constituting the bundles (b) is 60% or less of the average single filament fineness of the extrafine fibers constituting the bundles (a), and the finenesses of the bundles (a) and the bundles (b) are substantially the same as each other.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有天然皮革调色触感和优异机械性能组合的银包层革皮革片，并提供使用其的运动鞋。解决方案：含银复合皮革片材使得由包含超细聚酰胺纤维束的交织无纺布和填充在无纺布中的弹性体（I）构成的基底层的一面层叠有银 - 包含第二弹性体（II）的表面层。在该片中，构成基底层的银表面侧的表面（A面）的超细纤维束（a）和构成与银相反的表面（B面）的超细纤维束（b）基层的表面层侧分别由数均分子量为17,000〜20,000的聚酰胺构成，其中构成束（a）的超细纤维的平均单丝细度为0.01-0.5分特，构成束（b）的超细纤维的平均单丝细度为构成束（a）的超细纤维的平均单丝细度的60％以下，束（a）和束（b）的细度）基本上彼此相同。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2004250809A Leather-like sheet 有权
公开(公告)号：JP2004250809A
公开(公告)日：2004-09-09
申请号：JP2003040627
申请日：2003-02-19
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： MAKIMURA MASARU , EBATA SHUGO
IPC分类号： D06N3/14
摘要： PROBLEM TO BE SOLVED: To prepare a leather-like sheet which has a graceful appearance, a soft surface touch and a balanced hand giving a good sense of fulfillment, similar to those of natural leathers.
SOLUTION: This leather-like sheet comprising a fibrous substrate layer prepared by charging and filling an elastic resin consisting mainly of a polyurethane into the interlacing spaces of a three-dimensional interlaced nonwoven fabric, a surface porous layer adhered to the surface of the fibrous substrate layer, and a surface finishing layer, is characterized in that the surface porous layer comprises a polyurethane resin A having a 100% modulus of (a) and that a polyurethane resin B having a 100% modulus of (b) and a polyurethane resin C having a 100 % modulus of (c) are respectively charged into the upper layer portion and the lower layer portion of the fibrous substrate layer, adhered to the surface of the fibrous substrate layer, wherein an expression (1): 20

4. 发明专利

JP2003293270A Leather-like sheet 有权
标题翻译：皮革样片
公开(公告)号：JP2003293270A
公开(公告)日：2003-10-15
申请号：JP2002094811
申请日：2002-03-29
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： HAYASHI KOHEI , FUJISAWA MICHINORI , MAKIMURA MASARU
IPC分类号： D06N3/14
摘要： PROBLEM TO BE SOLVED: To provide a leather-like sheet having a high-grade appearance and softness of a natural leather tone, especially having soft surface touch, and having high peel strength.
SOLUTION: This leather-like sheet is composed of a fibrous substrate layer formed by filling entanglement spaces of a three-dimensionally entangled nonwoven fabric with an elastmeric resin consisting mainly of a polyurethane, a porous surface layer comprising the polyurethane adhered to a surface of the fibrous substrate layer, and a finished surface layer, wherein an apparent density (A) of the porous surface layer and an apparent density (B) of an upper layer part of the fibrous substrate layer adhered to the porous surface layer satisfy the following inequity: (A/B)
摘要翻译：要解决的问题：提供具有高级外观和天然皮革色调柔软性，特别是具有柔软的表面接触并且具有高剥离强度的皮革样片材。解决方案：该皮革状片材由纤维基材层构成，该纤维基材层通过填充三维缠结的无纺织物的缠结空间与主要由聚氨酯组成的弹性树脂，多孔表面层，其包含粘附到聚氨酯的聚氨酯纤维基材层的表面和成品表面层，其中多孔表面层的表观密度（A）和粘附到多孔表面层的纤维基材层的上层部分的表观密度（B）满足以下不等式：（A / B）<1。版权所有（C）2004，JPO

5. 发明专利

JP2005042250A Leather-like sheet and method for producing the same 审中-公开
标题翻译：皮革类似物及其制造方法
公开(公告)号：JP2005042250A
公开(公告)日：2005-02-17
申请号：JP2003278179
申请日：2003-07-23
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： KANAO SHUICHI , MAKIMURA MASARU
IPC分类号： D06N3/14
摘要： PROBLEM TO BE SOLVED: To provide a leather-like sheet having a high-class touch feeling with proper tack feeling while having moist feeling, further having peculiar feeling characterized by the surface touch giving soft feeling, and excellent fastness of color; and to provide a method for producing the leather-like sheet.
SOLUTION: The leather-like sheet contains an elastic polymer in the inside of a fiber-interlaced body, and has a low molecular weight polyurethane, a silicone resin, a water repellent, a softener and a silk protein-based material on a napped surface of the leather-like sheet having the nap composed of ultrafine fiber at least on one surface.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有高级触感的皮革状片材，具有适度的粘合感，同时具有湿润感，还具有以表面触感为特征的特殊感觉，提供柔软的感觉和优异的耐色牢度; 并提供一种生产皮革样片材的方法。皮革状片材在纤维交织体的内部含有弹性聚合物，并且具有低分子量聚氨酯，硅树脂，防水剂，软化剂和丝蛋白质基材料具有至少在一个表面上由超细纤维构成的绒毛的皮革状片材的起绒表面。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2003336177A Leather-like sheet with suede feeling and method for producing the same 有权
标题翻译：带有感觉的皮革类似物及其制造方法
公开(公告)号：JP2003336177A
公开(公告)日：2003-11-28
申请号：JP2002147208
申请日：2002-05-22
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： YOSHIDA YASUHIRO , MAKIMURA MASARU
IPC分类号： D06N3/00 , D04H1/4382 , D04H1/42
摘要： PROBLEM TO BE SOLVED: To provide a practicable leather-like sheet with suede feeling, having soft feeling and the surface with excellent abrasion resistance in a method for producing the leather-like sheet with the suede feeling having a nap on the surface of a base substance composed of a polyester ultrafine fiber and an elastic polymer.
SOLUTION: The method for producing the leather-like sheet with the suede feeling comprises a step for producing an ultrafine fiber-forming fiber comprising a polyester as the ultrafine fiber component, and having 3-10% shrinkage in 85°C hot water, a step for forming a nonwoven fabric by three-dimensionally entangling the ultrafine fiber-forming fiber, and shrinking the entangled fiber by treatment in 85-95°C hot water so that the area shrinkage is 5-20%, a step for impregnating the nonwoven fabric with the macromolecular elastomer and coagulating the elastomer, a step for making the base substance by converting the ultrafine fiber-forming fiber into an ultrafine fiber or an ultrafine fiber bundle, and a step for napping the surface of the base substance when producing the leather-like sheet with the suede feeling.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供具有麂皮感，具有柔软感和可耐磨性优异的皮革状片材的皮革样片材的制造方法，该皮革样片材具有在表面上具有绒毛感的皮革感觉由聚酯超细纤维和弹性聚合物组成的基础物质。解决方案：用于生产具有绒面感的皮革状片材的方法包括制备包含聚酯作为超细纤维成分的超细纤维成形纤维并在85℃热收缩3-10％的步骤水，通过三维缠结超细纤维成形纤维形成无纺布的步骤，并且通过在85-95℃热水中处理使缠结纤维收缩，使面积收缩率为5-20％，步骤用高分子弹性体浸渍无纺织物并使弹性体凝固，通过将超细纤维形成纤维转变为超细纤维或超细纤维束来制造基体物质的步骤，以及用于使基质物质的表面起绒的步骤以麂皮绒的感觉生产皮革样片材。版权所有（C）2004，JPO

7. 发明专利

JP2009001946A Leather-like sheet and method for producing the same 审中-公开
标题翻译：皮革类似物及其制造方法
公开(公告)号：JP2009001946A
公开(公告)日：2009-01-08
申请号：JP2007166326
申请日：2007-06-25
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： NOBUTO YOSHIKI , FUJISAWA MICHINORI , MATSUDA DAISUKE , MAKIMURA MASARU , ANDO YOSHIYUKI
IPC分类号： D06N3/00 , D01F8/04 , D04H3/016 , D04H3/105 , D06M13/08 , D06M23/00
摘要： PROBLEM TO BE SOLVED: To provide a leather-like sheet which has a natural wrinkle appearance and has a high design without deteriorating the uneven feeling of the appearance, even in such a use as used along a curved surface.
SOLUTION: In the leather-like sheet having an uneven pattern formed on the surface of a substrate which contains an elastomer in an ultrafine fiber nonwoven fabric, the ultrafine filament nonwoven fabric includes fiber bundles which each is prepared by bundling ultrafine filaments having an average single filament fineness of ≤0.5 dtex and has an average fineness of ≤3 dtex, and the density of the ultrafine filament nonwoven fabric is ≥0.15 g/cm
3 .
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在沿着曲面使用的这种用途中，提供具有天然皱纹外观并且具有高设计的皮革状片材，而不会使外观的不均匀感变差。解决方案：超细纤维无纺布在超细纤维无纺织物的含有弹性体的基材表面上形成有不均匀图案的皮革状片材中，超细长丝无纺布包括纤维束，其通过将具有平均单丝细度≤0.5分特，平均细度≤3dtex，超细长丝无纺布的密度≥0.15g/ cm 3。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2003313783A Leather like sheet 有权
标题翻译：皮革像片
公开(公告)号：JP2003313783A
公开(公告)日：2003-11-06
申请号：JP2002118775
申请日：2002-04-22
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： HAYASHI KOHEI , MAKIMURA MASARU , YOSHIDA YASUHIRO
IPC分类号： D06N3/14
摘要： PROBLEM TO BE SOLVED: To provide a leather like sheet having a high class outside feeling and fine broken wrinkle feeling of natural leather, and also a high peeling strength.
SOLUTION: This leather like sheet consisting of a fibrous substrate layer obtained by filling an elastic resin consisting mainly of a polyurethane into the interlaced space of a 3-dimensionally interlaced nonwoven fabric, a surface porous layer closely adhering to the fibrous substrate layer and consisting of a polyurethane, and a surface finished layer is characterized by filling a polyurethane resin which is less deformable by heating than that of the polyurethane constituting the surface porous layer, to an upper layer part of the fibrous substrate layer closely adhering with the surface porous layer, and also having (A)/(B)>1 ratio of the apparent density (A) of the surface porous layer to the apparent density (B) of the upper layer part of the base substrate layer.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供具有高级外部感觉和天然皮革的细折皱感的皮革样片材，以及高剥离强度。解决方案：通过将主要由聚氨酯组成的弹性树脂填充到三维交错的无纺织物的交织空间中而获得的纤维基层的皮革状片材，紧密附着在纤维基材层上的表面多孔层并且由聚氨酯和表面处理层组成的特征在于将与构成表面多孔层的聚氨酯相比，通过加热变得不易变形的聚氨酯树脂填充到与表面紧密粘合的纤维基材层的上层部分并且还具有表面多孔层的表观密度（A）与基底层的上层部分的表观密度（B）之比（A）/（B）> 1。版权所有（C）2004，JPO

9. 发明专利

JP2009030196A Leather-like sheet and method for producing the same 有权
标题翻译：皮革类似物及其制造方法
公开(公告)号：JP2009030196A
公开(公告)日：2009-02-12
申请号：JP2007194289
申请日：2007-07-26
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： MAKIMURA MASARU , ANDO SHUICHI , FUJISAWA MICHINORI , MURATE YASUNORI , ANDO YOSHIYUKI
IPC分类号： D06N3/00 , D01F8/04 , D04H1/4382 , D04H1/46 , D04H1/48 , D06M13/07 , D06M15/564 , D06M23/00 , D06M101/34
摘要： PROBLEM TO BE SOLVED: To provide a leather-like sheet having natural and soft texture close to natural leather, light weight and strength enduring the hard use as sports shoes, etc., and accordingly, useful as a material for shoes and bags and to provide a method for producing the sheet.
SOLUTION: The leather-like sheet is produced by placing a polymeric elastomer in an ultrafine filament nonwoven fabric composed of an ultrafine filament bundle containing ultrafine filaments having an average single fiber fineness of ≤0.5 dtex and satisfying the conditions that (1) the ultrafine filament bundle contains 5-70 ultrafine filaments and the average fineness of the ultrafine filament bundle is ≤3 dtex, (2) the apparent density of the ultrafine filament nonwoven fabric is 0.1-0.2 g/cm
3 , (3) the apparent density of the leather-like sheet is 0.2-0.35 g/cm
3 , and (4) the 100% modulus of the polymeric elastomer is ≥100 kg/cm
2 and the elastomer is continuously present in a porous state in the ultrafine filament nonwoven fabric.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有接近天然皮革的天然和柔软质地的皮革样片材，重量轻和强度持久耐用于运动鞋等，因此可用作鞋和鞋的材料并且提供用于制造片材的方法。解决方案：通过将聚合物弹性体放置在由超细纤丝束构成的超细长丝非织造布中制造，所述超细长丝非织造布包含平均单纤维细度≤0.5分特的超细丝，并且满足条件（1）超细长丝束含有5-70个超细丝，超细长丝束的平均细度≤3dtex，（2）超细长丝无纺布的表观密度为0.1-0.2g / cm 3 SP >，（3）皮革样片材的表观密度为0.2-0.35g / cm 3，而（4）聚合弹性体的100％模量≥100kg/ cm 2 ，弹性体在多孔状态下连续存在于超细长丝无纺布中。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2007138313A Leather like sheet having grain tone 审中-公开
标题翻译：具有谷物色的皮革样片
公开(公告)号：JP2007138313A
公开(公告)日：2007-06-07
申请号：JP2005330987
申请日：2005-11-16
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： NOBUTO YOSHIKI , YASUDA YOSHIAKI , MAKIMURA MASARU
IPC分类号： D06N3/00 , B32B27/34 , D06M11/00 , D06M13/152 , D06M15/564 , D06M23/16 , D06M101/34
摘要： PROBLEM TO BE SOLVED: To provide a leather like sheet having a grain tone, a natural touch feeling, creased wrinkles and a feeling like a natural leather, and capable of also reproducing even an appearance changing with wearing for a long period.
SOLUTION: This leather like sheet having the grain tone is characterized by containing (B) a polymeric elastomer in (A) a three-dimensionally interlaced non-woven fabric consisting of a polyamide fiber having 0.001-1 dtex mean single fiber fineness, having a layer that the polyamide fiber is partly fused/bonded with each other by a solvent or swelling agent of the fiber on at least one side of the surfaces, further having a layer consisting mainly of at least 1 kind of polymeric elastomer (C) on the upper most surface at further above and having 0.5-7 cc/cm
2 /sec air permeability prescribed by the JIS-L1018.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有谷物色调，自然触感，皱纹皱纹和天然皮革感觉的皮革样片材，并且还能够长时间地再现穿着改变的外观。解决方案：具有颗粒色调的这种皮革样片材的特征在于在（A）由聚酰胺纤维组成的三维交织无纺布中含有（B）聚合物弹性体，所述聚酰胺纤维具有0.001-1分特的平均单纤维细度具有聚酰胺纤维在表面的至少一侧上通过纤维的溶剂或溶胀剂部分地熔融/粘合的层，还具有主要由至少1种聚合弹性体（C ）在最上表面上，并且具有JIS-L1018规定的0.5-7cc / cm 2 SP /秒/秒透气度。版权所有（C）2007，JPO＆INPIT

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