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1. 发明授权

US3958057A Leather-like sheet material having excellent pearl-like tint and process for preparation thereof 失效
标题翻译：具有优异珍珠样色调的皮革状片材及其制备方法
公开(公告)号：US3958057A
公开(公告)日：1976-05-18
申请号：US589806
申请日：1975-06-24
申请人： Takeo Nishimura , Kazundo Akamata
发明人： Takeo Nishimura , Kazundo Akamata
IPC分类号： D06N3/00 , B32B19/02 , B32B27/40
CPC分类号： D06N3/0065 , Y10S428/904 , Y10T428/24975 , Y10T428/251 , Y10T428/265 , Y10T428/31554 , Y10T442/2861 , Y10T442/699
摘要： A leather-like sheet material is provided having a good pearl-like tint, said sheet material comprising a substrate comprising a fibrous mat and a porous coating layer of a polymer composed mainly of a polyurethane elastomer, a pearl layer having a thickness of 0.2 to 10.mu. and comprising a polymer composed mainly of a polyurethane elastomer and 3 to 500% by weight, based on the polymer, of a pearl pigment, and a colored layer having a thickness of 0.1 to 10.mu. and comprising a polymer composed mainly of a polyurethane elastomer and 1 to 300% by weight, based on the polymer, of a dyestuff and/or 1 to 600% by weight, based on the polymer, of a pigment.
摘要翻译：提供具有良好的珍珠样色调的皮革状片材，所述片材包括基材，该基材包含纤维毡和主要由聚氨酯弹性体构成的聚合物的多孔涂层，厚度为0.2至 10重量份，包含主要由聚氨酯弹性体组成的聚合物和基于聚合物的3至500重量％的珍珠颜料和厚度为0.1至10微米的着色层，并且包含主要由聚氨酯弹性体和基于聚合物的1至300重量％的染料和/或1至600重量％的基于聚合物的颜料。

2. 发明授权

US4216251A Method of producing a leather-like sheet material having a high-quality feeling 失效
标题翻译：制造具有高品质感的皮革状片材的方法
公开(公告)号：US4216251A
公开(公告)日：1980-08-05
申请号：US934894
申请日：1978-08-18
申请人： Takeo Nishimura , Kazundo Akamata
发明人： Takeo Nishimura , Kazundo Akamata
IPC分类号： D06N3/14 , B29C43/56 , D06N3/00 , B29G5/00 , B29D3/02 , B29D9/08
CPC分类号： D06N3/0077
摘要： A leather-like sheet material bearing a remarkable resemblance to high-quality leathers of natural origin, especially in respect of flatness, bending crimp, grain and feeling, is produced by providing a substrate consisting of a fibrous base material and a porous coating layer with a thin layer of a polymer, subjecting the surface to a specific heat treatment, providing the resulting material with another thin layer of a polymer, and, if desired, embossing the material.
摘要翻译：通过提供由纤维基材和多孔涂层组成的基材，产生与天然来源的高品质皮革特别是在平坦性，弯曲卷曲，颗粒和感觉方面非常相似的皮革状片材，聚合物的薄层，对表面进行特定的热处理，使得到的材料具有另一薄层的聚合物，并且如果需要，对该材料进行压花。

3. 发明授权

US06451404B1 Leather-like sheet having napped surface 有权
标题翻译：具有起绒表面的皮革状片材
公开(公告)号：US06451404B1
公开(公告)日：2002-09-17
申请号：US09506683
申请日：2000-02-18
申请人： Yoshiki Nobuto , Kazundo Akamata , Hisao Yoneda
发明人： Yoshiki Nobuto , Kazundo Akamata , Hisao Yoneda
IPC分类号： B32B3300
CPC分类号： B32B5/26 , A43B1/00 , A43B7/125 , A43B13/12 , B32B5/022 , B32B7/14 , B32B27/12 , B32B27/40 , B32B2375/00 , B32B2437/02 , D06N3/0004 , D06N3/0013 , Y10S428/904 , Y10T428/2395 , Y10T428/24438 , Y10T428/24826 , Y10T442/2369 , Y10T442/2377 , Y10T442/2738 , Y10T442/601 , Y10T442/614 , Y10T442/626 , Y10T442/659 , Y10T442/666 , Y10T442/667
摘要： A leather-like sheet having naps on its surface and having writing effect, a high-class external appearance, hand touch and feel like natural leather, and folds like natural leather. When it is subjected to lasting shoemaking, it is possible to obtain shoes which have at its surface no unevenness and do not get out of shape. A leather-like sheet wherein the following fiber-entangled nonwoven fabrics (A) and (B) are stacked with an adhesive agent present in a discontinuous state: (A) a fiber-entangled nonwoven fabric containing an elastic polymer and comprising a microfine fiber (a) having a fineness of 0.1 denier or less, the surface opposite to its stacking surf ace being fluffed, and rupture elongations in the longitudinal and latitudinal directions thereof being 50% or more and 80% or more, respectively, and (B) a fiber-entangled nonwoven fabric containing an elastic polymer and comprising a microfine fiber (b) having a fineness of 0.5 denier or less, the fineness being 4 times or more larger than that of the fiber (a), and rupture elongations in the longitudinal and latitudinal directions thereof being 50% or more and 80% or more, respectively.
摘要翻译：一种皮革状的片材，其表面具有绒毛，具有书写效果，高档外观，手感和天然皮革感觉，并像天然皮革一样折叠。当它经受持久的制鞋时，可以获得表面上没有不均匀并且不会变形的鞋。一种皮革状片材，其中以不连续状态存在的粘合剂层叠以下纤维缠结非织造织物（A）和（B）：（A）含有弹性聚合物并包含超细纤维的纤维缠结无纺布（a）细度为0.1旦尼尔或更小，与其堆积层相反的表面起毛，纵向和纬向的断裂伸长率分别为50％以上至80％以上，（B）含有弹性聚合物的纤维缠结无纺织物，其包含细度为0.5旦尼尔以下的细纤维（b），细度为纤维（a）的细度的4倍以上，纵向的断裂伸长率纬向分别为50％以上且80％以上。

4. 发明授权

US07258909B2 Leather-like sheet for balls 有权
标题翻译：用于球的皮革样片材
公开(公告)号：US07258909B2
公开(公告)日：2007-08-21
申请号：US10791779
申请日：2004-03-04
申请人： Kazundo Akamata , Yoshio Ishihara
发明人： Kazundo Akamata , Yoshio Ishihara
IPC分类号： B32B3/24 , A63B41/08
CPC分类号： D06N3/0077 , A63B41/08 , A63B2243/0033 , A63B2243/0037 , A63B2243/007 , D06N3/0075 , D06N3/14 , Y10S428/904 , Y10T428/24273 , Y10T428/24438 , Y10T428/25
摘要： The leather-like sheet for balls of the present invention comprises a fiber-entangled fabric and a porous surface layer disposed on the surface of the fiber-entangled fabric. The porous surface layer has a pattern formed by a plurality of outwardly projecting pebbles and valleys between the pebbles. A plurality of microholes having an average diameter of 5 to 100 μm are formed on surfaces of the pebbles, but the microhole is substantially not formed on surfaces of the valleys. The leather-like sheet exhibits a sufficient surface abrasion resistance and an excellent non-slip properties because of its high sweat-absorbing ability under wet conditions.
摘要翻译：本发明的球状皮革状片材包括纤维缠结织物和设置在纤维缠结织物表面上的多孔表面层。多孔表面层具有由卵石之间的多个向外突出的卵石和谷形成的图案。在鹅卵石的表面上形成平均直径为5〜100μm的多个微孔，但是微孔基本上不形成在谷的表面上。皮革状片材由于其在潮湿条件下的高吸汗能力而具有足够的表面耐磨性和优异的防滑性能。

5. 发明授权

US5393600A Highly flexible leather-like sheet material and process for producing the same 失效
标题翻译：高度柔软的皮革样片材及其制造方法
公开(公告)号：US5393600A
公开(公告)日：1995-02-28
申请号：US210289
申请日：1994-03-18
申请人： Yutaka Omura , Kazundo Akamata
发明人： Yutaka Omura , Kazundo Akamata
IPC分类号： D06N3/00 , D06N3/14 , D06N3/18 , B32B3/26
CPC分类号： D06N3/145 , D06N3/0052 , D06N3/0095 , D06N3/183 , Y10S428/904 , Y10T428/249953 , Y10T428/31554 , Y10T442/2139 , Y10T442/2369
摘要： A highly flexible leather-like sheet material has a base layer of a fibrous aggregate containing a first polymer principally containing a first elastic polymer and, provided on the surface thereof, a coating layer of a second polymer principally comprising a second elastic polymer, said coating layer containing the two layers of a wet-formed porous intermediate coating layer integrated with the base layer and having a thickness of 10 to 40 .mu.m and having continuous pores with a maximum pore diameter of 1 to 30 .mu.m and a dry-formed porous surface coating layer having a thickness of 20 to 80 .mu.m and having continuous pores with a maximum pore diameter of substantially not more than 20 .mu.m and an average pore diameter of, preferably, 1 to 5 .mu.m obtained by extracting off fine particles, the two layers both containing a softening agent.
摘要翻译：高度柔性的皮革状片材具有含有主要包含第一弹性聚合物的第一聚合物的纤维聚集体的基层，并且在其表面上设置主要包含第二弹性聚合物的第二聚合物的涂层，所述涂层该层包含两层与基层一体化并且具有10至40μm的厚度并具有最大孔径为1至30μm的连续孔的湿成型多孔中间涂层和干成型多孔表面被覆层的厚度为20〜80μm，具有最大孔径为基本上不大于20μm的连续孔，平均孔径优选为1〜5μm，通过萃取微粒得到，两层均含有软化剂。

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